ippicv: install third-party-programs.txt file

OpenCV version '-openvino'
2026-07-25 13:23:02 +04:00 · 2020-09-26 01:15:49 +03:00 · 2020-09-08 14:35:57 +03:00
2527 changed files with 192229 additions and 350031 deletions
@@ -1,10 +1,3 @@
-<!--
-If you have a question rather than reporting a bug please go to https://forum.opencv.org where you get much faster responses.
-If you need further assistance please read [How To Contribute](https://github.com/opencv/opencv/wiki/How_to_contribute).
-
-This is a template helping you to create an issue which can be processed as quickly as possible. This is the bug reporting section for the OpenCV library.
-->
-
 ##### System information (version)
 <!-- Example
 - OpenCV => 4.2
@@ -33,25 +26,25 @@ This is a template helping you to create an issue which can be processed as quic

 - [ ] I report the issue, it's not a question
   <!--
-   OpenCV team works with forum.opencv.org, Stack Overflow and other communities
-   to discuss problems. Tickets with questions without a real issue statement will be
+   OpenCV team works with answers.opencv.org, Stack Overflow and other communities
+   to discuss problems. Tickets with question without real issue statement will be
   closed.
   -->
 - [ ] I checked the problem with documentation, FAQ, open issues,
-       forum.opencv.org, Stack Overflow, etc and have not found any solution
+       answers.opencv.org, Stack Overflow, etc and have not found solution
   <!--
   Places to check:
   * OpenCV documentation: https://docs.opencv.org
   * FAQ page: https://github.com/opencv/opencv/wiki/FAQ
-   * OpenCV forum: https://forum.opencv.org
+   * OpenCV forum: https://answers.opencv.org
   * OpenCV issue tracker: https://github.com/opencv/opencv/issues?q=is%3Aissue
   * Stack Overflow branch: https://stackoverflow.com/questions/tagged/opencv
   -->
- - [ ] I updated to the latest OpenCV version and the issue is still there
+ - [ ] I updated to latest OpenCV version and the issue is still there
   <!--
   master branch for OpenCV 4.x and 3.4 branch for OpenCV 3.x releases.
-   OpenCV team supports only the latest release for each branch.
-   The ticket is closed if the problem is not reproduced with the modern version.
+   OpenCV team supports only latest release for each branch.
+   The ticket is closed, if the problem is not reproduced with modern version.
   -->
 - [ ] There is reproducer code and related data files: videos, images, onnx, etc
   <!--
@@ -61,9 +54,9 @@ This is a template helping you to create an issue which can be processed as quic
     to reduce attachment size
   * Use PNG for images, if you report some CV related bug, but not image reader
     issue
-   * Attach the image as an archive to the ticket, if you report some reader issue.
+   * Attach the image as archive to the ticket, if you report some reader issue.
     Image hosting services compress images and it breaks the repro code.
-   * Provide ONNX file for some public model or ONNX file with random weights,
+   * Provide ONNX file for some public model or ONNX file with with random weights,
     if you report ONNX parsing or handling issue. Architecture details diagram
     from netron tool can be very useful too. See https://lutzroeder.github.io/netron/
   -->
@@ -3,9 +3,9 @@
 See details at https://github.com/opencv/opencv/wiki/How_to_contribute#making-a-good-pull-request

 - [ ] I agree to contribute to the project under Apache 2 License.
- [ ] To the best of my knowledge, the proposed patch is not based on a code under GPL or another license that is incompatible with OpenCV
- [ ] The PR is proposed to the proper branch
- [ ] There is a reference to the original bug report and related work
+- [ ] To the best of my knowledge, the proposed patch is not based on a code under GPL or other license that is incompatible with OpenCV
+- [ ] The PR is proposed to proper branch
+- [ ] There is reference to original bug report and related work
 - [ ] There is accuracy test, performance test and test data in opencv_extra repository, if applicable
      Patch to opencv_extra has the same branch name.
 - [ ] The feature is well documented and sample code can be built with the project CMake
@@ -1,19 +0,0 @@
-name: PR:4.x
-
-on:
-  pull_request:
-    branches:
-      - 4.x
-
-jobs:
-  ARM64:
-    uses: opencv/ci-gha-workflow/.github/workflows/OCV-PR-4.x-ARM64.yaml@main
-
-  U20:
-    uses: opencv/ci-gha-workflow/.github/workflows/OCV-PR-4.x-U20.yaml@main
-
-  W10:
-    uses: opencv/ci-gha-workflow/.github/workflows/OCV-PR-4.x-W10.yaml@main
-
-  TIM-VX:
-    uses: opencv/ci-gha-workflow/.github/workflows/OCV-timvx-backend-tests-4.x.yml@main
@@ -1,6 +1,6 @@
 name: arm64 build checks

-on: workflow_dispatch
+on: [pull_request]

 jobs:
  build:
@@ -1,25 +0,0 @@
-name: lint_python
-on: workflow_dispatch
-jobs:
-  lint_python:
-    runs-on: ubuntu-latest
-    steps:
-      - uses: actions/checkout@v2
-      - uses: actions/setup-python@v2
-      - run: pip install --upgrade pip wheel
-      - run: pip install bandit black codespell flake8 flake8-2020 flake8-bugbear
-                         flake8-comprehensions isort mypy pytest pyupgrade safety
-      - run: bandit --recursive --skip B101 . || true  # B101 is assert statements
-      - run: black --check . || true
-      - run: codespell || true  # --ignore-words-list="" --skip="*.css,*.js,*.lock"
-      - run: flake8 . --count --select=E9,F63,F7 --show-source --statistics
-      - run: flake8 . --count --exit-zero --max-complexity=10 --max-line-length=88
-                      --show-source --statistics
-      - run: isort --check-only --profile black . || true
-      - run: pip install -r requirements.txt || pip install --editable . || true
-      - run: mkdir --parents --verbose .mypy_cache
-      - run: mypy --ignore-missing-imports --install-types --non-interactive . || true
-      - run: pytest . || true
-      - run: pytest --doctest-modules . || true
-      - run: shopt -s globstar && pyupgrade --py36-plus **/*.py || true
-      - run: safety check
@@ -27,7 +27,7 @@ if(CMAKE_COMPILER_IS_GNUCC)
    endif()
 endif()

-add_library(carotene_objs OBJECT EXCLUDE_FROM_ALL
+add_library(carotene_objs OBJECT
  ${carotene_headers}
  ${carotene_sources}
 )
@@ -41,4 +41,4 @@ if(WITH_NEON)
 endif()

 # we add dummy file to fix XCode build
-add_library(carotene STATIC ${OPENCV_3RDPARTY_EXCLUDE_FROM_ALL} "$<TARGET_OBJECTS:carotene_objs>" "${CAROTENE_SOURCE_DIR}/dummy.cpp")
+add_library(carotene STATIC EXCLUDE_FROM_ALL "$<TARGET_OBJECTS:carotene_objs>" "${CAROTENE_SOURCE_DIR}/dummy.cpp")
@@ -1778,30 +1778,30 @@ TegraCvtColor_Invoker(bgrx2hsvf, bgrx2hsv, src_data + static_cast<size_t>(range.
    : CV_HAL_ERROR_NOT_IMPLEMENTED \
 )

-#define TEGRA_CVT2PYUVTOBGR_EX(y_data, y_step, uv_data, uv_step, dst_data, dst_step, dst_width, dst_height, dcn, swapBlue, uIdx) \
+#define TEGRA_CVT2PYUVTOBGR(src_data, src_step, dst_data, dst_step, dst_width, dst_height, dcn, swapBlue, uIdx) \
 ( \
    CAROTENE_NS::isSupportedConfiguration() ? \
        dcn == 3 ? \
            uIdx == 0 ? \
                (swapBlue ? \
                    CAROTENE_NS::yuv420i2rgb(CAROTENE_NS::Size2D(dst_width, dst_height), \
-                                             y_data, y_step, \
-                                             uv_data, uv_step, \
+                                             src_data, src_step, \
+                                             src_data + src_step * dst_height, src_step, \
                                             dst_data, dst_step) : \
                    CAROTENE_NS::yuv420i2bgr(CAROTENE_NS::Size2D(dst_width, dst_height), \
-                                             y_data, y_step, \
-                                             uv_data, uv_step, \
+                                             src_data, src_step, \
+                                             src_data + src_step * dst_height, src_step, \
                                             dst_data, dst_step)), \
                CV_HAL_ERROR_OK : \
            uIdx == 1 ? \
                (swapBlue ? \
                    CAROTENE_NS::yuv420sp2rgb(CAROTENE_NS::Size2D(dst_width, dst_height), \
-                                              y_data, y_step, \
-                                              uv_data, uv_step, \
+                                              src_data, src_step, \
+                                              src_data + src_step * dst_height, src_step, \
                                              dst_data, dst_step) : \
                    CAROTENE_NS::yuv420sp2bgr(CAROTENE_NS::Size2D(dst_width, dst_height), \
-                                              y_data, y_step, \
-                                              uv_data, uv_step, \
+                                              src_data, src_step, \
+                                              src_data + src_step * dst_height, src_step, \
                                              dst_data, dst_step)), \
                CV_HAL_ERROR_OK : \
            CV_HAL_ERROR_NOT_IMPLEMENTED : \
@@ -1809,32 +1809,29 @@ TegraCvtColor_Invoker(bgrx2hsvf, bgrx2hsv, src_data + static_cast<size_t>(range.
            uIdx == 0 ? \
                (swapBlue ? \
                    CAROTENE_NS::yuv420i2rgbx(CAROTENE_NS::Size2D(dst_width, dst_height), \
-                                              y_data, y_step, \
-                                              uv_data, uv_step, \
+                                              src_data, src_step, \
+                                              src_data + src_step * dst_height, src_step, \
                                              dst_data, dst_step) : \
                    CAROTENE_NS::yuv420i2bgrx(CAROTENE_NS::Size2D(dst_width, dst_height), \
-                                              y_data, y_step, \
-                                              uv_data, uv_step, \
+                                              src_data, src_step, \
+                                              src_data + src_step * dst_height, src_step, \
                                              dst_data, dst_step)), \
                CV_HAL_ERROR_OK : \
            uIdx == 1 ? \
                (swapBlue ? \
                    CAROTENE_NS::yuv420sp2rgbx(CAROTENE_NS::Size2D(dst_width, dst_height), \
-                                               y_data, y_step, \
-                                               uv_data, uv_step, \
+                                               src_data, src_step, \
+                                               src_data + src_step * dst_height, src_step, \
                                               dst_data, dst_step) : \
                    CAROTENE_NS::yuv420sp2bgrx(CAROTENE_NS::Size2D(dst_width, dst_height), \
-                                               y_data, y_step, \
-                                               uv_data, uv_step, \
+                                               src_data, src_step, \
+                                               src_data + src_step * dst_height, src_step, \
                                               dst_data, dst_step)), \
                CV_HAL_ERROR_OK : \
            CV_HAL_ERROR_NOT_IMPLEMENTED : \
        CV_HAL_ERROR_NOT_IMPLEMENTED \
    : CV_HAL_ERROR_NOT_IMPLEMENTED \
 )
-#define TEGRA_CVT2PYUVTOBGR(src_data, src_step, dst_data, dst_step, dst_width, dst_height, dcn, swapBlue, uIdx) \
-    TEGRA_CVT2PYUVTOBGR_EX(src_data, src_step, src_data + src_step * dst_height, src_step, dst_data, dst_step, \
-            dst_width, dst_height, dcn, swapBlue, uIdx);

 #undef cv_hal_cvtBGRtoBGR
 #define cv_hal_cvtBGRtoBGR TEGRA_CVTBGRTOBGR
@@ -1844,18 +1841,12 @@ TegraCvtColor_Invoker(bgrx2hsvf, bgrx2hsv, src_data + static_cast<size_t>(range.
 #define cv_hal_cvtBGRtoGray TEGRA_CVTBGRTOGRAY
 #undef cv_hal_cvtGraytoBGR
 #define cv_hal_cvtGraytoBGR TEGRA_CVTGRAYTOBGR
-#if 0  // bit-exact tests are failed
 #undef cv_hal_cvtBGRtoYUV
 #define cv_hal_cvtBGRtoYUV TEGRA_CVTBGRTOYUV
-#endif
 #undef cv_hal_cvtBGRtoHSV
 #define cv_hal_cvtBGRtoHSV TEGRA_CVTBGRTOHSV
-#if 0  // bit-exact tests are failed
 #undef cv_hal_cvtTwoPlaneYUVtoBGR
 #define cv_hal_cvtTwoPlaneYUVtoBGR TEGRA_CVT2PYUVTOBGR
-#undef cv_hal_cvtTwoPlaneYUVtoBGREx
-#define cv_hal_cvtTwoPlaneYUVtoBGREx TEGRA_CVT2PYUVTOBGR_EX
-#endif

 #endif // OPENCV_IMGPROC_HAL_INTERFACE_H

@@ -758,7 +758,7 @@ inline void resizeAreaRounding(const Size2D &ssize, const Size2D &dsize,
    }
    else if (channels == 3)
    {
-        if ((wr == 2.0f) && (hr == 2.0f))
+        if ((wr == 2.0f) && (wr == 2.0f))
        {
 #ifndef __ANDROID__
            size_t roiw16 = dsize.width >= 15 ? (dsize.width - 15) * 3 : 0;
@@ -14,7 +14,7 @@ if(NOT DEFINED CPUFEATURES_SOURCES)
 endif()

 include_directories(${CPUFEATURES_INCLUDE_DIRS})
-add_library(${OPENCV_CPUFEATURES_TARGET_NAME} STATIC ${OPENCV_3RDPARTY_EXCLUDE_FROM_ALL} ${CPUFEATURES_SOURCES})
+add_library(${OPENCV_CPUFEATURES_TARGET_NAME} STATIC ${CPUFEATURES_SOURCES})

 set_target_properties(${OPENCV_CPUFEATURES_TARGET_NAME}
  PROPERTIES OUTPUT_NAME cpufeatures
@@ -29,7 +29,7 @@ if(ENABLE_SOLUTION_FOLDERS)
 endif()

 if(NOT BUILD_SHARED_LIBS)
-  ocv_install_target(${OPENCV_CPUFEATURES_TARGET_NAME} EXPORT OpenCVModules ARCHIVE DESTINATION ${OPENCV_3P_LIB_INSTALL_PATH} COMPONENT dev OPTIONAL)
+  ocv_install_target(${OPENCV_CPUFEATURES_TARGET_NAME} EXPORT OpenCVModules ARCHIVE DESTINATION ${OPENCV_3P_LIB_INSTALL_PATH} COMPONENT dev)
 endif()

 ocv_install_3rdparty_licenses(cpufeatures LICENSE README.md)
@@ -1,9 +1,9 @@
-# Binaries branch name: ffmpeg/4.x_20220524
-# Binaries were created for OpenCV: d6e9616256b46bd59be0a93d397f6ab958d39cd2
-ocv_update(FFMPEG_BINARIES_COMMIT "65ec04d4573dcdfa4531f0b9e67f35d8ffff873e")
-ocv_update(FFMPEG_FILE_HASH_BIN32 "5573e2262ad1298e603122b7759fc2f6")
-ocv_update(FFMPEG_FILE_HASH_BIN64 "5f9e2b2e04c15f080f40e844de80c867")
-ocv_update(FFMPEG_FILE_HASH_CMAKE "8862c87496e2e8c375965e1277dee1c7")
+# Binaries branch name: ffmpeg/master_20200908
+# Binaries were created for OpenCV: f445b826d084188077a5e9d204c4c33d1589f380
+ocv_update(FFMPEG_BINARIES_COMMIT "6152e132572dfdaa32887eabeb7199bef49b14dc")
+ocv_update(FFMPEG_FILE_HASH_BIN32 "37e2dadf776631acc8856e281f29cf42")
+ocv_update(FFMPEG_FILE_HASH_BIN64 "cf5dba83edf8619f57ccff4edb989c62")
+ocv_update(FFMPEG_FILE_HASH_CMAKE "f8e65dbe4a3b4eedc0d2997e07c3f3fd")

 function(download_win_ffmpeg script_var)
  set(${script_var} "" PARENT_SCOPE)
@@ -1,160 +0,0 @@
-/*******************************************************************************
- * Copyright (c) 2008-2020 The Khronos Group Inc.
- *
- * Licensed under the Apache License, Version 2.0 (the "License");
- * you may not use this file except in compliance with the License.
- * You may obtain a copy of the License at
- *
- *    http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- ******************************************************************************/
-/*****************************************************************************\
-
-Copyright (c) 2013-2019 Intel Corporation All Rights Reserved.
-
-THESE MATERIALS ARE PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
-"AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
-LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
-A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL INTEL OR ITS
-CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
-EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
-PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
-PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY
-OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY OR TORT (INCLUDING
-NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THESE
-MATERIALS, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
-
-File Name: cl_va_api_media_sharing_intel.h
-
-Abstract:
-
-Notes:
-
-\*****************************************************************************/
-
-
-#ifndef __OPENCL_CL_VA_API_MEDIA_SHARING_INTEL_H
-#define __OPENCL_CL_VA_API_MEDIA_SHARING_INTEL_H
-
-#include <CL/cl.h>
-#include <CL/cl_platform.h>
-#include <va/va.h>
-
-#ifdef __cplusplus
-extern "C" {
-#endif
-
-/******************************************
-* cl_intel_va_api_media_sharing extension *
-*******************************************/
-
-#define cl_intel_va_api_media_sharing 1
-
-/* error codes */
-#define CL_INVALID_VA_API_MEDIA_ADAPTER_INTEL               -1098
-#define CL_INVALID_VA_API_MEDIA_SURFACE_INTEL               -1099
-#define CL_VA_API_MEDIA_SURFACE_ALREADY_ACQUIRED_INTEL      -1100
-#define CL_VA_API_MEDIA_SURFACE_NOT_ACQUIRED_INTEL          -1101
-
-/* cl_va_api_device_source_intel */
-#define CL_VA_API_DISPLAY_INTEL                             0x4094
-
-/* cl_va_api_device_set_intel */
-#define CL_PREFERRED_DEVICES_FOR_VA_API_INTEL               0x4095
-#define CL_ALL_DEVICES_FOR_VA_API_INTEL                     0x4096
-
-/* cl_context_info */
-#define CL_CONTEXT_VA_API_DISPLAY_INTEL                     0x4097
-
-/* cl_mem_info */
-#define CL_MEM_VA_API_MEDIA_SURFACE_INTEL                   0x4098
-
-/* cl_image_info */
-#define CL_IMAGE_VA_API_PLANE_INTEL                         0x4099
-
-/* cl_command_type */
-#define CL_COMMAND_ACQUIRE_VA_API_MEDIA_SURFACES_INTEL      0x409A
-#define CL_COMMAND_RELEASE_VA_API_MEDIA_SURFACES_INTEL      0x409B
-
-typedef cl_uint cl_va_api_device_source_intel;
-typedef cl_uint cl_va_api_device_set_intel;
-
-extern CL_API_ENTRY cl_int CL_API_CALL
-clGetDeviceIDsFromVA_APIMediaAdapterINTEL(
-    cl_platform_id                platform,
-    cl_va_api_device_source_intel media_adapter_type,
-    void*                         media_adapter,
-    cl_va_api_device_set_intel    media_adapter_set,
-    cl_uint                       num_entries,
-    cl_device_id*                 devices,
-    cl_uint*                      num_devices) CL_EXT_SUFFIX__VERSION_1_2;
-
-typedef CL_API_ENTRY cl_int (CL_API_CALL * clGetDeviceIDsFromVA_APIMediaAdapterINTEL_fn)(
-    cl_platform_id                platform,
-    cl_va_api_device_source_intel media_adapter_type,
-    void*                         media_adapter,
-    cl_va_api_device_set_intel    media_adapter_set,
-    cl_uint                       num_entries,
-    cl_device_id*                 devices,
-    cl_uint*                      num_devices) CL_EXT_SUFFIX__VERSION_1_2;
-
-extern CL_API_ENTRY cl_mem CL_API_CALL
-clCreateFromVA_APIMediaSurfaceINTEL(
-    cl_context                    context,
-    cl_mem_flags                  flags,
-    VASurfaceID*                  surface,
-    cl_uint                       plane,
-    cl_int*                       errcode_ret) CL_EXT_SUFFIX__VERSION_1_2;
-
-typedef CL_API_ENTRY cl_mem (CL_API_CALL * clCreateFromVA_APIMediaSurfaceINTEL_fn)(
-    cl_context                    context,
-    cl_mem_flags                  flags,
-    VASurfaceID*                  surface,
-    cl_uint                       plane,
-    cl_int*                       errcode_ret) CL_EXT_SUFFIX__VERSION_1_2;
-
-extern CL_API_ENTRY cl_int CL_API_CALL
-clEnqueueAcquireVA_APIMediaSurfacesINTEL(
-    cl_command_queue              command_queue,
-    cl_uint                       num_objects,
-    const cl_mem*                 mem_objects,
-    cl_uint                       num_events_in_wait_list,
-    const cl_event*               event_wait_list,
-    cl_event*                     event) CL_EXT_SUFFIX__VERSION_1_2;
-
-typedef CL_API_ENTRY cl_int (CL_API_CALL *clEnqueueAcquireVA_APIMediaSurfacesINTEL_fn)(
-    cl_command_queue              command_queue,
-    cl_uint                       num_objects,
-    const cl_mem*                 mem_objects,
-    cl_uint                       num_events_in_wait_list,
-    const cl_event*               event_wait_list,
-    cl_event*                     event) CL_EXT_SUFFIX__VERSION_1_2;
-
-extern CL_API_ENTRY cl_int CL_API_CALL
-clEnqueueReleaseVA_APIMediaSurfacesINTEL(
-    cl_command_queue              command_queue,
-    cl_uint                       num_objects,
-    const cl_mem*                 mem_objects,
-    cl_uint                       num_events_in_wait_list,
-    const cl_event*               event_wait_list,
-    cl_event*                     event) CL_EXT_SUFFIX__VERSION_1_2;
-
-typedef CL_API_ENTRY cl_int (CL_API_CALL *clEnqueueReleaseVA_APIMediaSurfacesINTEL_fn)(
-    cl_command_queue              command_queue,
-    cl_uint                       num_objects,
-    const cl_mem*                 mem_objects,
-    cl_uint                       num_events_in_wait_list,
-    const cl_event*               event_wait_list,
-    cl_event*                     event) CL_EXT_SUFFIX__VERSION_1_2;
-
-#ifdef __cplusplus
-}
-#endif
-
-#endif  /* __OPENCL_CL_VA_API_MEDIA_SHARING_INTEL_H */
-
@@ -17,7 +17,7 @@ file(GLOB lib_hdrs ${IPP_IW_PATH}/include/*.h ${IPP_IW_PATH}/include/iw/*.h ${IP
 #         Define the library target:
 # ----------------------------------------------------------------------------------

-add_library(${IPP_IW_LIBRARY} STATIC ${OPENCV_3RDPARTY_EXCLUDE_FROM_ALL} ${lib_srcs} ${lib_hdrs})
+add_library(${IPP_IW_LIBRARY} STATIC ${lib_srcs} ${lib_hdrs})

 if(UNIX)
  if(CV_GCC OR CV_CLANG OR CV_ICC)
@@ -41,5 +41,5 @@ if(ENABLE_SOLUTION_FOLDERS)
 endif()

 if(NOT BUILD_SHARED_LIBS)
-  ocv_install_target(${IPP_IW_LIBRARY} EXPORT OpenCVModules ARCHIVE DESTINATION ${OPENCV_3P_LIB_INSTALL_PATH} COMPONENT dev OPTIONAL)
+  ocv_install_target(${IPP_IW_LIBRARY} EXPORT OpenCVModules ARCHIVE DESTINATION ${OPENCV_3P_LIB_INSTALL_PATH} COMPONENT dev)
 endif()
@@ -37,7 +37,7 @@ set(ITT_SRCS
    src/ittnotify/jitprofiling.c
 )

-add_library(${ITT_LIBRARY} STATIC ${OPENCV_3RDPARTY_EXCLUDE_FROM_ALL} ${ITT_SRCS} ${ITT_PUBLIC_HDRS} ${ITT_PRIVATE_HDRS})
+add_library(${ITT_LIBRARY} STATIC ${ITT_SRCS} ${ITT_PUBLIC_HDRS} ${ITT_PRIVATE_HDRS})

 if(NOT WIN32)
  if(HAVE_DL_LIBRARY)
@@ -54,14 +54,13 @@ set_target_properties(${ITT_LIBRARY} PROPERTIES
    )

 ocv_warnings_disable(CMAKE_C_FLAGS -Wundef -Wsign-compare)
-ocv_warnings_disable(CMAKE_C_FLAGS -Wstrict-prototypes) # clang15

 if(ENABLE_SOLUTION_FOLDERS)
  set_target_properties(${ITT_LIBRARY} PROPERTIES FOLDER "3rdparty")
 endif()

 if(NOT BUILD_SHARED_LIBS)
-  ocv_install_target(${ITT_LIBRARY} EXPORT OpenCVModules ARCHIVE DESTINATION ${OPENCV_3P_LIB_INSTALL_PATH} COMPONENT dev OPTIONAL)
+  ocv_install_target(${ITT_LIBRARY} EXPORT OpenCVModules ARCHIVE DESTINATION ${OPENCV_3P_LIB_INSTALL_PATH} COMPONENT dev)
 endif()

 ocv_install_3rdparty_licenses(ittnotify src/ittnotify/LICENSE.BSD src/ittnotify/LICENSE.GPL)
@@ -17,7 +17,7 @@ file(GLOB lib_ext_hdrs jasper/*.h)
 #         Define the library target:
 # ----------------------------------------------------------------------------------

-add_library(${JASPER_LIBRARY} STATIC ${OPENCV_3RDPARTY_EXCLUDE_FROM_ALL} ${lib_srcs} ${lib_hdrs} ${lib_ext_hdrs})
+add_library(${JASPER_LIBRARY} STATIC ${lib_srcs} ${lib_hdrs} ${lib_ext_hdrs})

 if(WIN32 AND NOT MINGW)
  add_definitions(-DJAS_WIN_MSVC_BUILD)
@@ -46,7 +46,7 @@ if(ENABLE_SOLUTION_FOLDERS)
 endif()

 if(NOT BUILD_SHARED_LIBS)
-  ocv_install_target(${JASPER_LIBRARY} EXPORT OpenCVModules ARCHIVE DESTINATION ${OPENCV_3P_LIB_INSTALL_PATH} COMPONENT dev OPTIONAL)
+  ocv_install_target(${JASPER_LIBRARY} EXPORT OpenCVModules ARCHIVE DESTINATION ${OPENCV_3P_LIB_INSTALL_PATH} COMPONENT dev)
 endif()

 ocv_install_3rdparty_licenses(jasper LICENSE README copyright)
@@ -3,10 +3,10 @@ project(${JPEG_LIBRARY} C)
 ocv_warnings_disable(CMAKE_C_FLAGS -Wunused-parameter -Wsign-compare -Wshorten-64-to-32 -Wimplicit-fallthrough)

 set(VERSION_MAJOR 2)
-set(VERSION_MINOR 1)
-set(VERSION_REVISION 2)
+set(VERSION_MINOR 0)
+set(VERSION_REVISION 5)
 set(VERSION ${VERSION_MAJOR}.${VERSION_MINOR}.${VERSION_REVISION})
-set(LIBJPEG_TURBO_VERSION_NUMBER 2001002)
+set(LIBJPEG_TURBO_VERSION_NUMBER 2000005)

 string(TIMESTAMP BUILD "opencv-${OPENCV_VERSION}-libjpeg-turbo")
 if(CMAKE_BUILD_TYPE STREQUAL "Debug")
@@ -46,6 +46,7 @@ if(UNIX)
  ocv_update(HAVE_UNSIGNED_SHORT 1)
  # undef INCOMPLETE_TYPES_BROKEN
  ocv_update(RIGHT_SHIFT_IS_UNSIGNED 0)
+  ocv_update(__CHAR_UNSIGNED__ 0)
 endif()


@@ -105,7 +106,7 @@ set(JPEG_SOURCES ${JPEG_SOURCES} jsimd_none.c)

 ocv_list_add_prefix(JPEG_SOURCES src/)

-add_library(${JPEG_LIBRARY} STATIC ${OPENCV_3RDPARTY_EXCLUDE_FROM_ALL} ${JPEG_SOURCES} ${SIMD_OBJS})
+add_library(${JPEG_LIBRARY} STATIC ${JPEG_SOURCES} ${SIMD_OBJS})

 set_target_properties(${JPEG_LIBRARY}
  PROPERTIES OUTPUT_NAME ${JPEG_LIBRARY}
@@ -120,7 +121,7 @@ if(ENABLE_SOLUTION_FOLDERS)
 endif()

 if(NOT BUILD_SHARED_LIBS)
-  ocv_install_target(${JPEG_LIBRARY} EXPORT OpenCVModules ARCHIVE DESTINATION ${OPENCV_3P_LIB_INSTALL_PATH} COMPONENT dev OPTIONAL)
+  ocv_install_target(${JPEG_LIBRARY} EXPORT OpenCVModules ARCHIVE DESTINATION ${OPENCV_3P_LIB_INSTALL_PATH} COMPONENT dev)
 endif()

 ocv_install_3rdparty_licenses(libjpeg-turbo README.md LICENSE.md README.ijg)
@@ -91,7 +91,7 @@ best of our understanding.
 The Modified (3-clause) BSD License
 ===================================

-Copyright (C)2009-2021 D. R. Commander.  All Rights Reserved.<br>
+Copyright (C)2009-2019 D. R. Commander.  All Rights Reserved.
 Copyright (C)2015 Viktor Szathmáry.  All Rights Reserved.

 Redistribution and use in source and binary forms, with or without
@@ -128,7 +128,7 @@ with respect to this software, its quality, accuracy, merchantability, or
 fitness for a particular purpose.  This software is provided "AS IS", and you,
 its user, assume the entire risk as to its quality and accuracy.

-This software is copyright (C) 1991-2020, Thomas G. Lane, Guido Vollbeding.
+This software is copyright (C) 1991-2016, Thomas G. Lane, Guido Vollbeding.
 All Rights Reserved except as specified below.

 Permission is hereby granted to use, copy, modify, and distribute this
@@ -159,6 +159,19 @@ commercial products, provided that all warranty or liability claims are
 assumed by the product vendor.


+The IJG distribution formerly included code to read and write GIF files.
+To avoid entanglement with the Unisys LZW patent (now expired), GIF reading
+support has been removed altogether, and the GIF writer has been simplified
+to produce "uncompressed GIFs".  This technique does not use the LZW
+algorithm; the resulting GIF files are larger than usual, but are readable
+by all standard GIF decoders.
+
+We are required to state that
+    "The Graphics Interchange Format(c) is the Copyright property of
+    CompuServe Incorporated.  GIF(sm) is a Service Mark property of
+    CompuServe Incorporated."
+
+
 REFERENCES
 ==========

@@ -210,12 +223,12 @@ https://www.iso.org/standard/54989.html and http://www.itu.int/rec/T-REC-T.871.
 A PDF file of the older JFIF 1.02 specification is available at
 http://www.w3.org/Graphics/JPEG/jfif3.pdf.

-The TIFF 6.0 file format specification can be obtained from
-http://mirrors.ctan.org/graphics/tiff/TIFF6.ps.gz.  The JPEG incorporation
-scheme found in the TIFF 6.0 spec of 3-June-92 has a number of serious
-problems.  IJG does not recommend use of the TIFF 6.0 design (TIFF Compression
-tag 6).  Instead, we recommend the JPEG design proposed by TIFF Technical Note
-#2 (Compression tag 7).  Copies of this Note can be obtained from
+The TIFF 6.0 file format specification can be obtained by FTP from
+ftp://ftp.sgi.com/graphics/tiff/TIFF6.ps.gz.  The JPEG incorporation scheme
+found in the TIFF 6.0 spec of 3-June-92 has a number of serious problems.
+IJG does not recommend use of the TIFF 6.0 design (TIFF Compression tag 6).
+Instead, we recommend the JPEG design proposed by TIFF Technical Note #2
+(Compression tag 7).  Copies of this Note can be obtained from
 http://www.ijg.org/files/.  It is expected that the next revision
 of the TIFF spec will replace the 6.0 JPEG design with the Note's design.
 Although IJG's own code does not support TIFF/JPEG, the free libtiff library
@@ -230,8 +243,14 @@ The most recent released version can always be found there in
 directory "files".

 The JPEG FAQ (Frequently Asked Questions) article is a source of some
-general information about JPEG.  It is available at
-http://www.faqs.org/faqs/jpeg-faq.
+general information about JPEG.
+It is available on the World Wide Web at http://www.faqs.org/faqs/jpeg-faq/
+and other news.answers archive sites, including the official news.answers
+archive at rtfm.mit.edu: ftp://rtfm.mit.edu/pub/usenet/news.answers/jpeg-faq/.
+If you don't have Web or FTP access, send e-mail to mail-server@rtfm.mit.edu
+with body
+        send usenet/news.answers/jpeg-faq/part1
+        send usenet/news.answers/jpeg-faq/part2


 FILE FORMAT COMPATIBILITY
@@ -2,8 +2,8 @@ Background
 ==========

 libjpeg-turbo is a JPEG image codec that uses SIMD instructions to accelerate
-baseline JPEG compression and decompression on x86, x86-64, Arm, PowerPC, and
-MIPS systems, as well as progressive JPEG compression on x86, x86-64, and Arm
+baseline JPEG compression and decompression on x86, x86-64, ARM, PowerPC, and
+MIPS systems, as well as progressive JPEG compression on x86 and x86-64
 systems.  On such systems, libjpeg-turbo is generally 2-6x as fast as libjpeg,
 all else being equal.  On other types of systems, libjpeg-turbo can still
 outperform libjpeg by a significant amount, by virtue of its highly-optimized
@@ -179,8 +179,8 @@ supported and which aren't.

 NOTE:  As of this writing, extensive research has been conducted into the
 usefulness of DCT scaling as a means of data reduction and SmartScale as a
-means of quality improvement.  Readers are invited to peruse the research at
-<http://www.libjpeg-turbo.org/About/SmartScale> and draw their own conclusions,
+means of quality improvement.  The reader is invited to peruse the research at
+<http://www.libjpeg-turbo.org/About/SmartScale> and draw his/her own conclusions,
 but it is the general belief of our project that these features have not
 demonstrated sufficient usefulness to justify inclusion in libjpeg-turbo.

@@ -287,13 +287,12 @@ following reasons:
  (and slightly faster) floating point IDCT algorithm introduced in libjpeg
  v8a as opposed to the algorithm used in libjpeg v6b.  It should be noted,
  however, that this algorithm basically brings the accuracy of the floating
-  point IDCT in line with the accuracy of the accurate integer IDCT.  The
-  floating point DCT/IDCT algorithms are mainly a legacy feature, and they do
-  not produce significantly more accuracy than the accurate integer algorithms
-  (to put numbers on this, the typical difference in PNSR between the two
-  algorithms is less than 0.10 dB, whereas changing the quality level by 1 in
-  the upper range of the quality scale is typically more like a 1.0 dB
-  difference.)
+  point IDCT in line with the accuracy of the slow integer IDCT.  The floating
+  point DCT/IDCT algorithms are mainly a legacy feature, and they do not
+  produce significantly more accuracy than the slow integer algorithms (to put
+  numbers on this, the typical difference in PNSR between the two algorithms
+  is less than 0.10 dB, whereas changing the quality level by 1 in the upper
+  range of the quality scale is typically more like a 1.0 dB difference.)

 - If the floating point algorithms in libjpeg-turbo are not implemented using
  SIMD instructions on a particular platform, then the accuracy of the
@@ -341,7 +340,7 @@ The algorithm used by the SIMD-accelerated quantization function cannot produce
 correct results whenever the fast integer forward DCT is used along with a JPEG
 quality of 98-100.  Thus, libjpeg-turbo must use the non-SIMD quantization
 function in those cases.  This causes performance to drop by as much as 40%.
-It is therefore strongly advised that you use the accurate integer forward DCT
+It is therefore strongly advised that you use the slow integer forward DCT
 whenever encoding images with a JPEG quality of 98 or higher.


@@ -61,6 +61,11 @@
   unsigned. */
 #cmakedefine RIGHT_SHIFT_IS_UNSIGNED 1

+/* Define to 1 if type `char' is unsigned and you are not using gcc.  */
+#ifndef __CHAR_UNSIGNED__
+  #cmakedefine __CHAR_UNSIGNED__ 1
+#endif
+
 /* Define to empty if `const' does not conform to ANSI C. */
 /* #undef const */

@@ -18,6 +18,7 @@
 #define HAVE_UNSIGNED_SHORT
 #undef INCOMPLETE_TYPES_BROKEN
 #undef RIGHT_SHIFT_IS_UNSIGNED
+#undef __CHAR_UNSIGNED__

 /* Define "boolean" as unsigned char, not int, per Windows custom */
 #ifndef __RPCNDR_H__            /* don't conflict if rpcndr.h already read */
@@ -40,13 +40,3 @@
 #define HAVE_BITSCANFORWARD
 #endif
 #endif
-
-#if defined(__has_attribute)
-#if __has_attribute(fallthrough)
-#define FALLTHROUGH  __attribute__((fallthrough));
-#else
-#define FALLTHROUGH
-#endif
-#else
-#define FALLTHROUGH
-#endif
@@ -48,9 +48,9 @@ rgb_ycc_convert_internal(j_compress_ptr cinfo, JSAMPARRAY input_buf,
    outptr2 = output_buf[2][output_row];
    output_row++;
    for (col = 0; col < num_cols; col++) {
-      r = inptr[RGB_RED];
-      g = inptr[RGB_GREEN];
-      b = inptr[RGB_BLUE];
+      r = GETJSAMPLE(inptr[RGB_RED]);
+      g = GETJSAMPLE(inptr[RGB_GREEN]);
+      b = GETJSAMPLE(inptr[RGB_BLUE]);
      inptr += RGB_PIXELSIZE;
      /* If the inputs are 0..MAXJSAMPLE, the outputs of these equations
       * must be too; we do not need an explicit range-limiting operation.
@@ -100,9 +100,9 @@ rgb_gray_convert_internal(j_compress_ptr cinfo, JSAMPARRAY input_buf,
    outptr = output_buf[0][output_row];
    output_row++;
    for (col = 0; col < num_cols; col++) {
-      r = inptr[RGB_RED];
-      g = inptr[RGB_GREEN];
-      b = inptr[RGB_BLUE];
+      r = GETJSAMPLE(inptr[RGB_RED]);
+      g = GETJSAMPLE(inptr[RGB_GREEN]);
+      b = GETJSAMPLE(inptr[RGB_BLUE]);
      inptr += RGB_PIXELSIZE;
      /* Y */
      outptr[col] = (JSAMPLE)((ctab[r + R_Y_OFF] + ctab[g + G_Y_OFF] +
@@ -135,9 +135,9 @@ rgb_rgb_convert_internal(j_compress_ptr cinfo, JSAMPARRAY input_buf,
    outptr2 = output_buf[2][output_row];
    output_row++;
    for (col = 0; col < num_cols; col++) {
-      outptr0[col] = inptr[RGB_RED];
-      outptr1[col] = inptr[RGB_GREEN];
-      outptr2[col] = inptr[RGB_BLUE];
+      outptr0[col] = GETJSAMPLE(inptr[RGB_RED]);
+      outptr1[col] = GETJSAMPLE(inptr[RGB_GREEN]);
+      outptr2[col] = GETJSAMPLE(inptr[RGB_BLUE]);
      inptr += RGB_PIXELSIZE;
    }
  }
@@ -392,11 +392,11 @@ cmyk_ycck_convert(j_compress_ptr cinfo, JSAMPARRAY input_buf,
    outptr3 = output_buf[3][output_row];
    output_row++;
    for (col = 0; col < num_cols; col++) {
-      r = MAXJSAMPLE - inptr[0];
-      g = MAXJSAMPLE - inptr[1];
-      b = MAXJSAMPLE - inptr[2];
+      r = MAXJSAMPLE - GETJSAMPLE(inptr[0]);
+      g = MAXJSAMPLE - GETJSAMPLE(inptr[1]);
+      b = MAXJSAMPLE - GETJSAMPLE(inptr[2]);
      /* K passes through as-is */
-      outptr3[col] = inptr[3];
+      outptr3[col] = inptr[3];  /* don't need GETJSAMPLE here */
      inptr += 4;
      /* If the inputs are 0..MAXJSAMPLE, the outputs of these equations
       * must be too; we do not need an explicit range-limiting operation.
@@ -438,7 +438,7 @@ grayscale_convert(j_compress_ptr cinfo, JSAMPARRAY input_buf,
    outptr = output_buf[0][output_row];
    output_row++;
    for (col = 0; col < num_cols; col++) {
-      outptr[col] = inptr[0];
+      outptr[col] = inptr[0];   /* don't need GETJSAMPLE() here */
      inptr += instride;
    }
  }
@@ -497,7 +497,7 @@ null_convert(j_compress_ptr cinfo, JSAMPARRAY input_buf, JSAMPIMAGE output_buf,
        inptr = *input_buf;
        outptr = output_buf[ci][output_row];
        for (col = 0; col < num_cols; col++) {
-          outptr[col] = inptr[ci];
+          outptr[col] = inptr[ci]; /* don't need GETJSAMPLE() here */
          inptr += nc;
        }
      }
@@ -381,19 +381,19 @@ convsamp(JSAMPARRAY sample_data, JDIMENSION start_col, DCTELEM *workspace)
    elemptr = sample_data[elemr] + start_col;

 #if DCTSIZE == 8                /* unroll the inner loop */
-    *workspaceptr++ = (*elemptr++) - CENTERJSAMPLE;
-    *workspaceptr++ = (*elemptr++) - CENTERJSAMPLE;
-    *workspaceptr++ = (*elemptr++) - CENTERJSAMPLE;
-    *workspaceptr++ = (*elemptr++) - CENTERJSAMPLE;
-    *workspaceptr++ = (*elemptr++) - CENTERJSAMPLE;
-    *workspaceptr++ = (*elemptr++) - CENTERJSAMPLE;
-    *workspaceptr++ = (*elemptr++) - CENTERJSAMPLE;
-    *workspaceptr++ = (*elemptr++) - CENTERJSAMPLE;
+    *workspaceptr++ = GETJSAMPLE(*elemptr++) - CENTERJSAMPLE;
+    *workspaceptr++ = GETJSAMPLE(*elemptr++) - CENTERJSAMPLE;
+    *workspaceptr++ = GETJSAMPLE(*elemptr++) - CENTERJSAMPLE;
+    *workspaceptr++ = GETJSAMPLE(*elemptr++) - CENTERJSAMPLE;
+    *workspaceptr++ = GETJSAMPLE(*elemptr++) - CENTERJSAMPLE;
+    *workspaceptr++ = GETJSAMPLE(*elemptr++) - CENTERJSAMPLE;
+    *workspaceptr++ = GETJSAMPLE(*elemptr++) - CENTERJSAMPLE;
+    *workspaceptr++ = GETJSAMPLE(*elemptr++) - CENTERJSAMPLE;
 #else
    {
      register int elemc;
      for (elemc = DCTSIZE; elemc > 0; elemc--)
-        *workspaceptr++ = (*elemptr++) - CENTERJSAMPLE;
+        *workspaceptr++ = GETJSAMPLE(*elemptr++) - CENTERJSAMPLE;
    }
 #endif
  }
@@ -533,19 +533,20 @@ convsamp_float(JSAMPARRAY sample_data, JDIMENSION start_col,
  for (elemr = 0; elemr < DCTSIZE; elemr++) {
    elemptr = sample_data[elemr] + start_col;
 #if DCTSIZE == 8                /* unroll the inner loop */
-    *workspaceptr++ = (FAST_FLOAT)((*elemptr++) - CENTERJSAMPLE);
-    *workspaceptr++ = (FAST_FLOAT)((*elemptr++) - CENTERJSAMPLE);
-    *workspaceptr++ = (FAST_FLOAT)((*elemptr++) - CENTERJSAMPLE);
-    *workspaceptr++ = (FAST_FLOAT)((*elemptr++) - CENTERJSAMPLE);
-    *workspaceptr++ = (FAST_FLOAT)((*elemptr++) - CENTERJSAMPLE);
-    *workspaceptr++ = (FAST_FLOAT)((*elemptr++) - CENTERJSAMPLE);
-    *workspaceptr++ = (FAST_FLOAT)((*elemptr++) - CENTERJSAMPLE);
-    *workspaceptr++ = (FAST_FLOAT)((*elemptr++) - CENTERJSAMPLE);
+    *workspaceptr++ = (FAST_FLOAT)(GETJSAMPLE(*elemptr++) - CENTERJSAMPLE);
+    *workspaceptr++ = (FAST_FLOAT)(GETJSAMPLE(*elemptr++) - CENTERJSAMPLE);
+    *workspaceptr++ = (FAST_FLOAT)(GETJSAMPLE(*elemptr++) - CENTERJSAMPLE);
+    *workspaceptr++ = (FAST_FLOAT)(GETJSAMPLE(*elemptr++) - CENTERJSAMPLE);
+    *workspaceptr++ = (FAST_FLOAT)(GETJSAMPLE(*elemptr++) - CENTERJSAMPLE);
+    *workspaceptr++ = (FAST_FLOAT)(GETJSAMPLE(*elemptr++) - CENTERJSAMPLE);
+    *workspaceptr++ = (FAST_FLOAT)(GETJSAMPLE(*elemptr++) - CENTERJSAMPLE);
+    *workspaceptr++ = (FAST_FLOAT)(GETJSAMPLE(*elemptr++) - CENTERJSAMPLE);
 #else
    {
      register int elemc;
      for (elemc = DCTSIZE; elemc > 0; elemc--)
-        *workspaceptr++ = (FAST_FLOAT)((*elemptr++) - CENTERJSAMPLE);
+        *workspaceptr++ = (FAST_FLOAT)
+                          (GETJSAMPLE(*elemptr++) - CENTERJSAMPLE);
    }
 #endif
  }
@@ -4,10 +4,8 @@
 * This file was part of the Independent JPEG Group's software:
 * Copyright (C) 1991-1997, Thomas G. Lane.
 * libjpeg-turbo Modifications:
- * Copyright (C) 2009-2011, 2014-2016, 2018-2021, D. R. Commander.
+ * Copyright (C) 2009-2011, 2014-2016, 2018-2019, D. R. Commander.
 * Copyright (C) 2015, Matthieu Darbois.
- * Copyright (C) 2018, Matthias Räncker.
- * Copyright (C) 2020, Arm Limited.
 * For conditions of distribution and use, see the accompanying README.ijg
 * file.
 *
@@ -36,28 +34,23 @@
 * memory footprint by 64k, which is important for some mobile applications
 * that create many isolated instances of libjpeg-turbo (web browsers, for
 * instance.)  This may improve performance on some mobile platforms as well.
- * This feature is enabled by default only on Arm processors, because some x86
+ * This feature is enabled by default only on ARM processors, because some x86
 * chips have a slow implementation of bsr, and the use of clz/bsr cannot be
 * shown to have a significant performance impact even on the x86 chips that
- * have a fast implementation of it.  When building for Armv6, you can
+ * have a fast implementation of it.  When building for ARMv6, you can
 * explicitly disable the use of clz/bsr by adding -mthumb to the compiler
 * flags (this defines __thumb__).
 */

 /* NOTE: Both GCC and Clang define __GNUC__ */
-#if (defined(__GNUC__) && (defined(__arm__) || defined(__aarch64__))) || \
-    defined(_M_ARM) || defined(_M_ARM64)
+#if defined(__GNUC__) && (defined(__arm__) || defined(__aarch64__))
 #if !defined(__thumb__) || defined(__thumb2__)
 #define USE_CLZ_INTRINSIC
 #endif
 #endif

 #ifdef USE_CLZ_INTRINSIC
-#if defined(_MSC_VER) && !defined(__clang__)
-#define JPEG_NBITS_NONZERO(x)  (32 - _CountLeadingZeros(x))
-#else
 #define JPEG_NBITS_NONZERO(x)  (32 - __builtin_clz(x))
-#endif
 #define JPEG_NBITS(x)          (x ? JPEG_NBITS_NONZERO(x) : 0)
 #else
 #include "jpeg_nbits_table.h"
@@ -72,43 +65,32 @@
 * but must not be updated permanently until we complete the MCU.
 */

-#if defined(__x86_64__) && defined(__ILP32__)
-typedef unsigned long long bit_buf_type;
-#else
-typedef size_t bit_buf_type;
-#endif
-
-/* NOTE: The more optimal Huffman encoding algorithm is only used by the
- * intrinsics implementation of the Arm Neon SIMD extensions, which is why we
- * retain the old Huffman encoder behavior when using the GAS implementation.
- */
-#if defined(WITH_SIMD) && !(defined(__arm__) || defined(__aarch64__) || \
-                            defined(_M_ARM) || defined(_M_ARM64))
-typedef unsigned long long simd_bit_buf_type;
-#else
-typedef bit_buf_type simd_bit_buf_type;
-#endif
-
-#if (defined(SIZEOF_SIZE_T) && SIZEOF_SIZE_T == 8) || defined(_WIN64) || \
-    (defined(__x86_64__) && defined(__ILP32__))
-#define BIT_BUF_SIZE  64
-#elif (defined(SIZEOF_SIZE_T) && SIZEOF_SIZE_T == 4) || defined(_WIN32)
-#define BIT_BUF_SIZE  32
-#else
-#error Cannot determine word size
-#endif
-#define SIMD_BIT_BUF_SIZE  (sizeof(simd_bit_buf_type) * 8)
-
 typedef struct {
-  union {
-    bit_buf_type c;
-    simd_bit_buf_type simd;
-  } put_buffer;                         /* current bit accumulation buffer */
-  int free_bits;                        /* # of bits available in it */
-                                        /* (Neon GAS: # of bits now in it) */
+  size_t put_buffer;                    /* current bit-accumulation buffer */
+  int put_bits;                         /* # of bits now in it */
  int last_dc_val[MAX_COMPS_IN_SCAN];   /* last DC coef for each component */
 } savable_state;

+/* This macro is to work around compilers with missing or broken
+ * structure assignment.  You'll need to fix this code if you have
+ * such a compiler and you change MAX_COMPS_IN_SCAN.
+ */
+
+#ifndef NO_STRUCT_ASSIGN
+#define ASSIGN_STATE(dest, src)  ((dest) = (src))
+#else
+#if MAX_COMPS_IN_SCAN == 4
+#define ASSIGN_STATE(dest, src) \
+  ((dest).put_buffer = (src).put_buffer, \
+   (dest).put_bits = (src).put_bits, \
+   (dest).last_dc_val[0] = (src).last_dc_val[0], \
+   (dest).last_dc_val[1] = (src).last_dc_val[1], \
+   (dest).last_dc_val[2] = (src).last_dc_val[2], \
+   (dest).last_dc_val[3] = (src).last_dc_val[3])
+#endif
+#endif
+
+
 typedef struct {
  struct jpeg_entropy_encoder pub; /* public fields */

@@ -141,7 +123,6 @@ typedef struct {
  size_t free_in_buffer;        /* # of byte spaces remaining in buffer */
  savable_state cur;            /* Current bit buffer & DC state */
  j_compress_ptr cinfo;         /* dump_buffer needs access to this */
-  int simd;
 } working_state;


@@ -220,17 +201,8 @@ start_pass_huff(j_compress_ptr cinfo, boolean gather_statistics)
  }

  /* Initialize bit buffer to empty */
-  if (entropy->simd) {
-    entropy->saved.put_buffer.simd = 0;
-#if defined(__aarch64__) && !defined(NEON_INTRINSICS)
-    entropy->saved.free_bits = 0;
-#else
-    entropy->saved.free_bits = SIMD_BIT_BUF_SIZE;
-#endif
-  } else {
-    entropy->saved.put_buffer.c = 0;
-    entropy->saved.free_bits = BIT_BUF_SIZE;
-  }
+  entropy->saved.put_buffer = 0;
+  entropy->saved.put_bits = 0;

  /* Initialize restart stuff */
  entropy->restarts_to_go = cinfo->restart_interval;
@@ -315,7 +287,6 @@ jpeg_make_c_derived_tbl(j_compress_ptr cinfo, boolean isDC, int tblno,
   * this lets us detect duplicate VAL entries here, and later
   * allows emit_bits to detect any attempt to emit such symbols.
   */
-  MEMZERO(dtbl->ehufco, sizeof(dtbl->ehufco));
  MEMZERO(dtbl->ehufsi, sizeof(dtbl->ehufsi));

  /* This is also a convenient place to check for out-of-range
@@ -363,94 +334,94 @@ dump_buffer(working_state *state)

 /* Outputting bits to the file */

-/* Output byte b and, speculatively, an additional 0 byte.  0xFF must be
- * encoded as 0xFF 0x00, so the output buffer pointer is advanced by 2 if the
- * byte is 0xFF.  Otherwise, the output buffer pointer is advanced by 1, and
- * the speculative 0 byte will be overwritten by the next byte.
+/* These macros perform the same task as the emit_bits() function in the
+ * original libjpeg code.  In addition to reducing overhead by explicitly
+ * inlining the code, additional performance is achieved by taking into
+ * account the size of the bit buffer and waiting until it is almost full
+ * before emptying it.  This mostly benefits 64-bit platforms, since 6
+ * bytes can be stored in a 64-bit bit buffer before it has to be emptied.
 */
-#define EMIT_BYTE(b) { \
-  buffer[0] = (JOCTET)(b); \
-  buffer[1] = 0; \
-  buffer -= -2 + ((JOCTET)(b) < 0xFF); \
+
+#define EMIT_BYTE() { \
+  JOCTET c; \
+  put_bits -= 8; \
+  c = (JOCTET)GETJOCTET(put_buffer >> put_bits); \
+  *buffer++ = c; \
+  if (c == 0xFF)  /* need to stuff a zero byte? */ \
+    *buffer++ = 0; \
 }

-/* Output the entire bit buffer.  If there are no 0xFF bytes in it, then write
- * directly to the output buffer.  Otherwise, use the EMIT_BYTE() macro to
- * encode 0xFF as 0xFF 0x00.
- */
-#if BIT_BUF_SIZE == 64
-
-#define FLUSH() { \
-  if (put_buffer & 0x8080808080808080 & ~(put_buffer + 0x0101010101010101)) { \
-    EMIT_BYTE(put_buffer >> 56) \
-    EMIT_BYTE(put_buffer >> 48) \
-    EMIT_BYTE(put_buffer >> 40) \
-    EMIT_BYTE(put_buffer >> 32) \
-    EMIT_BYTE(put_buffer >> 24) \
-    EMIT_BYTE(put_buffer >> 16) \
-    EMIT_BYTE(put_buffer >>  8) \
-    EMIT_BYTE(put_buffer      ) \
-  } else { \
-    buffer[0] = (JOCTET)(put_buffer >> 56); \
-    buffer[1] = (JOCTET)(put_buffer >> 48); \
-    buffer[2] = (JOCTET)(put_buffer >> 40); \
-    buffer[3] = (JOCTET)(put_buffer >> 32); \
-    buffer[4] = (JOCTET)(put_buffer >> 24); \
-    buffer[5] = (JOCTET)(put_buffer >> 16); \
-    buffer[6] = (JOCTET)(put_buffer >> 8); \
-    buffer[7] = (JOCTET)(put_buffer); \
-    buffer += 8; \
-  } \
+#define PUT_BITS(code, size) { \
+  put_bits += size; \
+  put_buffer = (put_buffer << size) | code; \
 }

-#else
+#if SIZEOF_SIZE_T != 8 && !defined(_WIN64)

-#define FLUSH() { \
-  if (put_buffer & 0x80808080 & ~(put_buffer + 0x01010101)) { \
-    EMIT_BYTE(put_buffer >> 24) \
-    EMIT_BYTE(put_buffer >> 16) \
-    EMIT_BYTE(put_buffer >>  8) \
-    EMIT_BYTE(put_buffer      ) \
-  } else { \
-    buffer[0] = (JOCTET)(put_buffer >> 24); \
-    buffer[1] = (JOCTET)(put_buffer >> 16); \
-    buffer[2] = (JOCTET)(put_buffer >> 8); \
-    buffer[3] = (JOCTET)(put_buffer); \
-    buffer += 4; \
+#define CHECKBUF15() { \
+  if (put_bits > 15) { \
+    EMIT_BYTE() \
+    EMIT_BYTE() \
  } \
 }

 #endif

-/* Fill the bit buffer to capacity with the leading bits from code, then output
- * the bit buffer and put the remaining bits from code into the bit buffer.
- */
-#define PUT_AND_FLUSH(code, size) { \
-  put_buffer = (put_buffer << (size + free_bits)) | (code >> -free_bits); \
-  FLUSH() \
-  free_bits += BIT_BUF_SIZE; \
-  put_buffer = code; \
+#define CHECKBUF31() { \
+  if (put_bits > 31) { \
+    EMIT_BYTE() \
+    EMIT_BYTE() \
+    EMIT_BYTE() \
+    EMIT_BYTE() \
+  } \
 }

-/* Insert code into the bit buffer and output the bit buffer if needed.
- * NOTE: We can't flush with free_bits == 0, since the left shift in
- * PUT_AND_FLUSH() would have undefined behavior.
- */
-#define PUT_BITS(code, size) { \
-  free_bits -= size; \
-  if (free_bits < 0) \
-    PUT_AND_FLUSH(code, size) \
-  else \
-    put_buffer = (put_buffer << size) | code; \
+#define CHECKBUF47() { \
+  if (put_bits > 47) { \
+    EMIT_BYTE() \
+    EMIT_BYTE() \
+    EMIT_BYTE() \
+    EMIT_BYTE() \
+    EMIT_BYTE() \
+    EMIT_BYTE() \
+  } \
 }

-#define PUT_CODE(code, size) { \
-  temp &= (((JLONG)1) << nbits) - 1; \
-  temp |= code << nbits; \
-  nbits += size; \
-  PUT_BITS(temp, nbits) \
+#if !defined(_WIN32) && !defined(SIZEOF_SIZE_T)
+#error Cannot determine word size
+#endif
+
+#if SIZEOF_SIZE_T == 8 || defined(_WIN64)
+
+#define EMIT_BITS(code, size) { \
+  CHECKBUF47() \
+  PUT_BITS(code, size) \
 }

+#define EMIT_CODE(code, size) { \
+  temp2 &= (((JLONG)1) << nbits) - 1; \
+  CHECKBUF31() \
+  PUT_BITS(code, size) \
+  PUT_BITS(temp2, nbits) \
+}
+
+#else
+
+#define EMIT_BITS(code, size) { \
+  PUT_BITS(code, size) \
+  CHECKBUF15() \
+}
+
+#define EMIT_CODE(code, size) { \
+  temp2 &= (((JLONG)1) << nbits) - 1; \
+  PUT_BITS(code, size) \
+  CHECKBUF15() \
+  PUT_BITS(temp2, nbits) \
+  CHECKBUF15() \
+}
+
+#endif
+

 /* Although it is exceedingly rare, it is possible for a Huffman-encoded
 * coefficient block to be larger than the 128-byte unencoded block.  For each
@@ -473,7 +444,6 @@ dump_buffer(working_state *state)

 #define STORE_BUFFER() { \
  if (localbuf) { \
-    size_t bytes, bytestocopy; \
    bytes = buffer - _buffer; \
    buffer = _buffer; \
    while (bytes > 0) { \
@@ -496,46 +466,20 @@ dump_buffer(working_state *state)
 LOCAL(boolean)
 flush_bits(working_state *state)
 {
-  JOCTET _buffer[BUFSIZE], *buffer, temp;
-  simd_bit_buf_type put_buffer;  int put_bits;
-  int localbuf = 0;
-
-  if (state->simd) {
-#if defined(__aarch64__) && !defined(NEON_INTRINSICS)
-    put_bits = state->cur.free_bits;
-#else
-    put_bits = SIMD_BIT_BUF_SIZE - state->cur.free_bits;
-#endif
-    put_buffer = state->cur.put_buffer.simd;
-  } else {
-    put_bits = BIT_BUF_SIZE - state->cur.free_bits;
-    put_buffer = state->cur.put_buffer.c;
-  }
+  JOCTET _buffer[BUFSIZE], *buffer;
+  size_t put_buffer;  int put_bits;
+  size_t bytes, bytestocopy;  int localbuf = 0;

+  put_buffer = state->cur.put_buffer;
+  put_bits = state->cur.put_bits;
  LOAD_BUFFER()

-  while (put_bits >= 8) {
-    put_bits -= 8;
-    temp = (JOCTET)(put_buffer >> put_bits);
-    EMIT_BYTE(temp)
-  }
-  if (put_bits) {
-    /* fill partial byte with ones */
-    temp = (JOCTET)((put_buffer << (8 - put_bits)) | (0xFF >> put_bits));
-    EMIT_BYTE(temp)
-  }
+  /* fill any partial byte with ones */
+  PUT_BITS(0x7F, 7)
+  while (put_bits >= 8) EMIT_BYTE()

-  if (state->simd) {                    /* and reset bit buffer to empty */
-    state->cur.put_buffer.simd = 0;
-#if defined(__aarch64__) && !defined(NEON_INTRINSICS)
-    state->cur.free_bits = 0;
-#else
-    state->cur.free_bits = SIMD_BIT_BUF_SIZE;
-#endif
-  } else {
-    state->cur.put_buffer.c = 0;
-    state->cur.free_bits = BIT_BUF_SIZE;
-  }
+  state->cur.put_buffer = 0;    /* and reset bit-buffer to empty */
+  state->cur.put_bits = 0;
  STORE_BUFFER()

  return TRUE;
@@ -549,7 +493,7 @@ encode_one_block_simd(working_state *state, JCOEFPTR block, int last_dc_val,
                      c_derived_tbl *dctbl, c_derived_tbl *actbl)
 {
  JOCTET _buffer[BUFSIZE], *buffer;
-  int localbuf = 0;
+  size_t bytes, bytestocopy;  int localbuf = 0;

  LOAD_BUFFER()

@@ -565,41 +509,53 @@ LOCAL(boolean)
 encode_one_block(working_state *state, JCOEFPTR block, int last_dc_val,
                 c_derived_tbl *dctbl, c_derived_tbl *actbl)
 {
-  int temp, nbits, free_bits;
-  bit_buf_type put_buffer;
+  int temp, temp2, temp3;
+  int nbits;
+  int r, code, size;
  JOCTET _buffer[BUFSIZE], *buffer;
-  int localbuf = 0;
+  size_t put_buffer;  int put_bits;
+  int code_0xf0 = actbl->ehufco[0xf0], size_0xf0 = actbl->ehufsi[0xf0];
+  size_t bytes, bytestocopy;  int localbuf = 0;

-  free_bits = state->cur.free_bits;
-  put_buffer = state->cur.put_buffer.c;
+  put_buffer = state->cur.put_buffer;
+  put_bits = state->cur.put_bits;
  LOAD_BUFFER()

  /* Encode the DC coefficient difference per section F.1.2.1 */

-  temp = block[0] - last_dc_val;
+  temp = temp2 = block[0] - last_dc_val;

  /* This is a well-known technique for obtaining the absolute value without a
   * branch.  It is derived from an assembly language technique presented in
   * "How to Optimize for the Pentium Processors", Copyright (c) 1996, 1997 by
-   * Agner Fog.  This code assumes we are on a two's complement machine.
+   * Agner Fog.
   */
-  nbits = temp >> (CHAR_BIT * sizeof(int) - 1);
-  temp += nbits;
-  nbits ^= temp;
+  temp3 = temp >> (CHAR_BIT * sizeof(int) - 1);
+  temp ^= temp3;
+  temp -= temp3;
+
+  /* For a negative input, want temp2 = bitwise complement of abs(input) */
+  /* This code assumes we are on a two's complement machine */
+  temp2 += temp3;

  /* Find the number of bits needed for the magnitude of the coefficient */
-  nbits = JPEG_NBITS(nbits);
+  nbits = JPEG_NBITS(temp);

-  /* Emit the Huffman-coded symbol for the number of bits.
-   * Emit that number of bits of the value, if positive,
-   * or the complement of its magnitude, if negative.
-   */
-  PUT_CODE(dctbl->ehufco[nbits], dctbl->ehufsi[nbits])
+  /* Emit the Huffman-coded symbol for the number of bits */
+  code = dctbl->ehufco[nbits];
+  size = dctbl->ehufsi[nbits];
+  EMIT_BITS(code, size)
+
+  /* Mask off any extra bits in code */
+  temp2 &= (((JLONG)1) << nbits) - 1;
+
+  /* Emit that number of bits of the value, if positive, */
+  /* or the complement of its magnitude, if negative. */
+  EMIT_BITS(temp2, nbits)

  /* Encode the AC coefficients per section F.1.2.2 */

-  {
-    int r = 0;                  /* r = run length of zeros */
+  r = 0;                        /* r = run length of zeros */

 /* Manually unroll the k loop to eliminate the counter variable.  This
 * improves performance greatly on systems with a limited number of
@@ -607,46 +563,51 @@ encode_one_block(working_state *state, JCOEFPTR block, int last_dc_val,
 */
 #define kloop(jpeg_natural_order_of_k) { \
  if ((temp = block[jpeg_natural_order_of_k]) == 0) { \
-    r += 16; \
+    r++; \
  } else { \
+    temp2 = temp; \
    /* Branch-less absolute value, bitwise complement, etc., same as above */ \
-    nbits = temp >> (CHAR_BIT * sizeof(int) - 1); \
-    temp += nbits; \
-    nbits ^= temp; \
-    nbits = JPEG_NBITS_NONZERO(nbits); \
+    temp3 = temp >> (CHAR_BIT * sizeof(int) - 1); \
+    temp ^= temp3; \
+    temp -= temp3; \
+    temp2 += temp3; \
+    nbits = JPEG_NBITS_NONZERO(temp); \
    /* if run length > 15, must emit special run-length-16 codes (0xF0) */ \
-    while (r >= 16 * 16) { \
-      r -= 16 * 16; \
-      PUT_BITS(actbl->ehufco[0xf0], actbl->ehufsi[0xf0]) \
+    while (r > 15) { \
+      EMIT_BITS(code_0xf0, size_0xf0) \
+      r -= 16; \
    } \
    /* Emit Huffman symbol for run length / number of bits */ \
-    r += nbits; \
-    PUT_CODE(actbl->ehufco[r], actbl->ehufsi[r]) \
+    temp3 = (r << 4) + nbits; \
+    code = actbl->ehufco[temp3]; \
+    size = actbl->ehufsi[temp3]; \
+    EMIT_CODE(code, size) \
    r = 0; \
  } \
 }

-    /* One iteration for each value in jpeg_natural_order[] */
-    kloop(1);   kloop(8);   kloop(16);  kloop(9);   kloop(2);   kloop(3);
-    kloop(10);  kloop(17);  kloop(24);  kloop(32);  kloop(25);  kloop(18);
-    kloop(11);  kloop(4);   kloop(5);   kloop(12);  kloop(19);  kloop(26);
-    kloop(33);  kloop(40);  kloop(48);  kloop(41);  kloop(34);  kloop(27);
-    kloop(20);  kloop(13);  kloop(6);   kloop(7);   kloop(14);  kloop(21);
-    kloop(28);  kloop(35);  kloop(42);  kloop(49);  kloop(56);  kloop(57);
-    kloop(50);  kloop(43);  kloop(36);  kloop(29);  kloop(22);  kloop(15);
-    kloop(23);  kloop(30);  kloop(37);  kloop(44);  kloop(51);  kloop(58);
-    kloop(59);  kloop(52);  kloop(45);  kloop(38);  kloop(31);  kloop(39);
-    kloop(46);  kloop(53);  kloop(60);  kloop(61);  kloop(54);  kloop(47);
-    kloop(55);  kloop(62);  kloop(63);
+  /* One iteration for each value in jpeg_natural_order[] */
+  kloop(1);   kloop(8);   kloop(16);  kloop(9);   kloop(2);   kloop(3);
+  kloop(10);  kloop(17);  kloop(24);  kloop(32);  kloop(25);  kloop(18);
+  kloop(11);  kloop(4);   kloop(5);   kloop(12);  kloop(19);  kloop(26);
+  kloop(33);  kloop(40);  kloop(48);  kloop(41);  kloop(34);  kloop(27);
+  kloop(20);  kloop(13);  kloop(6);   kloop(7);   kloop(14);  kloop(21);
+  kloop(28);  kloop(35);  kloop(42);  kloop(49);  kloop(56);  kloop(57);
+  kloop(50);  kloop(43);  kloop(36);  kloop(29);  kloop(22);  kloop(15);
+  kloop(23);  kloop(30);  kloop(37);  kloop(44);  kloop(51);  kloop(58);
+  kloop(59);  kloop(52);  kloop(45);  kloop(38);  kloop(31);  kloop(39);
+  kloop(46);  kloop(53);  kloop(60);  kloop(61);  kloop(54);  kloop(47);
+  kloop(55);  kloop(62);  kloop(63);

-    /* If the last coef(s) were zero, emit an end-of-block code */
-    if (r > 0) {
-      PUT_BITS(actbl->ehufco[0], actbl->ehufsi[0])
-    }
+  /* If the last coef(s) were zero, emit an end-of-block code */
+  if (r > 0) {
+    code = actbl->ehufco[0];
+    size = actbl->ehufsi[0];
+    EMIT_BITS(code, size)
  }

-  state->cur.put_buffer.c = put_buffer;
-  state->cur.free_bits = free_bits;
+  state->cur.put_buffer = put_buffer;
+  state->cur.put_bits = put_bits;
  STORE_BUFFER()

  return TRUE;
@@ -693,9 +654,8 @@ encode_mcu_huff(j_compress_ptr cinfo, JBLOCKROW *MCU_data)
  /* Load up working state */
  state.next_output_byte = cinfo->dest->next_output_byte;
  state.free_in_buffer = cinfo->dest->free_in_buffer;
-  state.cur = entropy->saved;
+  ASSIGN_STATE(state.cur, entropy->saved);
  state.cinfo = cinfo;
-  state.simd = entropy->simd;

  /* Emit restart marker if needed */
  if (cinfo->restart_interval) {
@@ -734,7 +694,7 @@ encode_mcu_huff(j_compress_ptr cinfo, JBLOCKROW *MCU_data)
  /* Completed MCU, so update state */
  cinfo->dest->next_output_byte = state.next_output_byte;
  cinfo->dest->free_in_buffer = state.free_in_buffer;
-  entropy->saved = state.cur;
+  ASSIGN_STATE(entropy->saved, state.cur);

  /* Update restart-interval state too */
  if (cinfo->restart_interval) {
@@ -763,9 +723,8 @@ finish_pass_huff(j_compress_ptr cinfo)
  /* Load up working state ... flush_bits needs it */
  state.next_output_byte = cinfo->dest->next_output_byte;
  state.free_in_buffer = cinfo->dest->free_in_buffer;
-  state.cur = entropy->saved;
+  ASSIGN_STATE(state.cur, entropy->saved);
  state.cinfo = cinfo;
-  state.simd = entropy->simd;

  /* Flush out the last data */
  if (!flush_bits(&state))
@@ -774,7 +733,7 @@ finish_pass_huff(j_compress_ptr cinfo)
  /* Update state */
  cinfo->dest->next_output_byte = state.next_output_byte;
  cinfo->dest->free_in_buffer = state.free_in_buffer;
-  entropy->saved = state.cur;
+  ASSIGN_STATE(entropy->saved, state.cur);
 }


@@ -1,10 +1,8 @@
 /*
 * jcinit.c
 *
- * This file was part of the Independent JPEG Group's software:
 * Copyright (C) 1991-1997, Thomas G. Lane.
- * libjpeg-turbo Modifications:
- * Copyright (C) 2020, D. R. Commander.
+ * This file is part of the Independent JPEG Group's software.
 * For conditions of distribution and use, see the accompanying README.ijg
 * file.
 *
@@ -21,7 +19,6 @@
 #define JPEG_INTERNALS
 #include "jinclude.h"
 #include "jpeglib.h"
-#include "jpegcomp.h"


 /*
@@ -493,7 +493,7 @@ prepare_for_pass(j_compress_ptr cinfo)
    master->pass_type = output_pass;
    master->pass_number++;
 #endif
-    FALLTHROUGH                 /*FALLTHROUGH*/
+    /*FALLTHROUGH*/
  case output_pass:
    /* Do a data-output pass. */
    /* We need not repeat per-scan setup if prior optimization pass did it. */
@@ -4,10 +4,8 @@
 * This file was part of the Independent JPEG Group's software:
 * Copyright (C) 1995-1997, Thomas G. Lane.
 * libjpeg-turbo Modifications:
- * Copyright (C) 2011, 2015, 2018, 2021, D. R. Commander.
+ * Copyright (C) 2011, 2015, 2018, D. R. Commander.
 * Copyright (C) 2016, 2018, Matthieu Darbois.
- * Copyright (C) 2020, Arm Limited.
- * Copyright (C) 2021, Alex Richardson.
 * For conditions of distribution and use, see the accompanying README.ijg
 * file.
 *
@@ -45,28 +43,23 @@
 * memory footprint by 64k, which is important for some mobile applications
 * that create many isolated instances of libjpeg-turbo (web browsers, for
 * instance.)  This may improve performance on some mobile platforms as well.
- * This feature is enabled by default only on Arm processors, because some x86
+ * This feature is enabled by default only on ARM processors, because some x86
 * chips have a slow implementation of bsr, and the use of clz/bsr cannot be
 * shown to have a significant performance impact even on the x86 chips that
- * have a fast implementation of it.  When building for Armv6, you can
+ * have a fast implementation of it.  When building for ARMv6, you can
 * explicitly disable the use of clz/bsr by adding -mthumb to the compiler
 * flags (this defines __thumb__).
 */

 /* NOTE: Both GCC and Clang define __GNUC__ */
-#if (defined(__GNUC__) && (defined(__arm__) || defined(__aarch64__))) || \
-    defined(_M_ARM) || defined(_M_ARM64)
+#if defined(__GNUC__) && (defined(__arm__) || defined(__aarch64__))
 #if !defined(__thumb__) || defined(__thumb2__)
 #define USE_CLZ_INTRINSIC
 #endif
 #endif

 #ifdef USE_CLZ_INTRINSIC
-#if defined(_MSC_VER) && !defined(__clang__)
-#define JPEG_NBITS_NONZERO(x)  (32 - _CountLeadingZeros(x))
-#else
 #define JPEG_NBITS_NONZERO(x)  (32 - __builtin_clz(x))
-#endif
 #define JPEG_NBITS(x)          (x ? JPEG_NBITS_NONZERO(x) : 0)
 #else
 #include "jpeg_nbits_table.h"
@@ -176,26 +169,24 @@ INLINE
 METHODDEF(int)
 count_zeroes(size_t *x)
 {
-#if defined(HAVE_BUILTIN_CTZL)
  int result;
+#if defined(HAVE_BUILTIN_CTZL)
  result = __builtin_ctzl(*x);
  *x >>= result;
 #elif defined(HAVE_BITSCANFORWARD64)
-  unsigned long result;
  _BitScanForward64(&result, *x);
  *x >>= result;
 #elif defined(HAVE_BITSCANFORWARD)
-  unsigned long result;
  _BitScanForward(&result, *x);
  *x >>= result;
 #else
-  int result = 0;
+  result = 0;
  while ((*x & 1) == 0) {
    ++result;
    *x >>= 1;
  }
 #endif
-  return (int)result;
+  return result;
 }


@@ -681,7 +672,7 @@ encode_mcu_AC_first(j_compress_ptr cinfo, JBLOCKROW *MCU_data)
      emit_restart(entropy, entropy->next_restart_num);

 #ifdef WITH_SIMD
-  cvalue = values = (JCOEF *)PAD((JUINTPTR)values_unaligned, 16);
+  cvalue = values = (JCOEF *)PAD((size_t)values_unaligned, 16);
 #else
  /* Not using SIMD, so alignment is not needed */
  cvalue = values = values_unaligned;
@@ -869,7 +860,7 @@ encode_mcu_AC_refine_prepare(const JCOEF *block,

 #define ENCODE_COEFS_AC_REFINE(label) { \
  while (zerobits) { \
-    idx = count_zeroes(&zerobits); \
+    int idx = count_zeroes(&zerobits); \
    r += idx; \
    cabsvalue += idx; \
    signbits >>= idx; \
@@ -926,7 +917,7 @@ METHODDEF(boolean)
 encode_mcu_AC_refine(j_compress_ptr cinfo, JBLOCKROW *MCU_data)
 {
  phuff_entropy_ptr entropy = (phuff_entropy_ptr)cinfo->entropy;
-  register int temp, r, idx;
+  register int temp, r;
  char *BR_buffer;
  unsigned int BR;
  int Sl = cinfo->Se - cinfo->Ss + 1;
@@ -946,7 +937,7 @@ encode_mcu_AC_refine(j_compress_ptr cinfo, JBLOCKROW *MCU_data)
      emit_restart(entropy, entropy->next_restart_num);

 #ifdef WITH_SIMD
-  cabsvalue = absvalues = (JCOEF *)PAD((JUINTPTR)absvalues_unaligned, 16);
+  cabsvalue = absvalues = (JCOEF *)PAD((size_t)absvalues_unaligned, 16);
 #else
  /* Not using SIMD, so alignment is not needed */
  cabsvalue = absvalues = absvalues_unaligned;
@@ -977,7 +968,7 @@ encode_mcu_AC_refine(j_compress_ptr cinfo, JBLOCKROW *MCU_data)

  if (zerobits) {
    int diff = ((absvalues + DCTSIZE2 / 2) - cabsvalue);
-    idx = count_zeroes(&zerobits);
+    int idx = count_zeroes(&zerobits);
    signbits >>= idx;
    idx += diff;
    r += idx;
@@ -6,7 +6,7 @@
 * libjpeg-turbo Modifications:
 * Copyright 2009 Pierre Ossman <ossman@cendio.se> for Cendio AB
 * Copyright (C) 2014, MIPS Technologies, Inc., California.
- * Copyright (C) 2015, 2019, D. R. Commander.
+ * Copyright (C) 2015, D. R. Commander.
 * For conditions of distribution and use, see the accompanying README.ijg
 * file.
 *
@@ -103,7 +103,7 @@ expand_right_edge(JSAMPARRAY image_data, int num_rows, JDIMENSION input_cols,
  if (numcols > 0) {
    for (row = 0; row < num_rows; row++) {
      ptr = image_data[row] + input_cols;
-      pixval = ptr[-1];
+      pixval = ptr[-1];         /* don't need GETJSAMPLE() here */
      for (count = numcols; count > 0; count--)
        *ptr++ = pixval;
    }
@@ -174,7 +174,7 @@ int_downsample(j_compress_ptr cinfo, jpeg_component_info *compptr,
      for (v = 0; v < v_expand; v++) {
        inptr = input_data[inrow + v] + outcol_h;
        for (h = 0; h < h_expand; h++) {
-          outvalue += (JLONG)(*inptr++);
+          outvalue += (JLONG)GETJSAMPLE(*inptr++);
        }
      }
      *outptr++ = (JSAMPLE)((outvalue + numpix2) / numpix);
@@ -237,7 +237,8 @@ h2v1_downsample(j_compress_ptr cinfo, jpeg_component_info *compptr,
    inptr = input_data[outrow];
    bias = 0;                   /* bias = 0,1,0,1,... for successive samples */
    for (outcol = 0; outcol < output_cols; outcol++) {
-      *outptr++ = (JSAMPLE)((inptr[0] + inptr[1] + bias) >> 1);
+      *outptr++ =
+        (JSAMPLE)((GETJSAMPLE(*inptr) + GETJSAMPLE(inptr[1]) + bias) >> 1);
      bias ^= 1;                /* 0=>1, 1=>0 */
      inptr += 2;
    }
@@ -276,7 +277,8 @@ h2v2_downsample(j_compress_ptr cinfo, jpeg_component_info *compptr,
    bias = 1;                   /* bias = 1,2,1,2,... for successive samples */
    for (outcol = 0; outcol < output_cols; outcol++) {
      *outptr++ =
-        (JSAMPLE)((inptr0[0] + inptr0[1] + inptr1[0] + inptr1[1] + bias) >> 2);
+        (JSAMPLE)((GETJSAMPLE(*inptr0) + GETJSAMPLE(inptr0[1]) +
+                   GETJSAMPLE(*inptr1) + GETJSAMPLE(inptr1[1]) + bias) >> 2);
      bias ^= 3;                /* 1=>2, 2=>1 */
      inptr0 += 2;  inptr1 += 2;
    }
@@ -335,25 +337,33 @@ h2v2_smooth_downsample(j_compress_ptr cinfo, jpeg_component_info *compptr,
    below_ptr = input_data[inrow + 2];

    /* Special case for first column: pretend column -1 is same as column 0 */
-    membersum = inptr0[0] + inptr0[1] + inptr1[0] + inptr1[1];
-    neighsum = above_ptr[0] + above_ptr[1] + below_ptr[0] + below_ptr[1] +
-               inptr0[0] + inptr0[2] + inptr1[0] + inptr1[2];
+    membersum = GETJSAMPLE(*inptr0) + GETJSAMPLE(inptr0[1]) +
+                GETJSAMPLE(*inptr1) + GETJSAMPLE(inptr1[1]);
+    neighsum = GETJSAMPLE(*above_ptr) + GETJSAMPLE(above_ptr[1]) +
+               GETJSAMPLE(*below_ptr) + GETJSAMPLE(below_ptr[1]) +
+               GETJSAMPLE(*inptr0) + GETJSAMPLE(inptr0[2]) +
+               GETJSAMPLE(*inptr1) + GETJSAMPLE(inptr1[2]);
    neighsum += neighsum;
-    neighsum += above_ptr[0] + above_ptr[2] + below_ptr[0] + below_ptr[2];
+    neighsum += GETJSAMPLE(*above_ptr) + GETJSAMPLE(above_ptr[2]) +
+                GETJSAMPLE(*below_ptr) + GETJSAMPLE(below_ptr[2]);
    membersum = membersum * memberscale + neighsum * neighscale;
    *outptr++ = (JSAMPLE)((membersum + 32768) >> 16);
    inptr0 += 2;  inptr1 += 2;  above_ptr += 2;  below_ptr += 2;

    for (colctr = output_cols - 2; colctr > 0; colctr--) {
      /* sum of pixels directly mapped to this output element */
-      membersum = inptr0[0] + inptr0[1] + inptr1[0] + inptr1[1];
+      membersum = GETJSAMPLE(*inptr0) + GETJSAMPLE(inptr0[1]) +
+                  GETJSAMPLE(*inptr1) + GETJSAMPLE(inptr1[1]);
      /* sum of edge-neighbor pixels */
-      neighsum = above_ptr[0] + above_ptr[1] + below_ptr[0] + below_ptr[1] +
-                 inptr0[-1] + inptr0[2] + inptr1[-1] + inptr1[2];
+      neighsum = GETJSAMPLE(*above_ptr) + GETJSAMPLE(above_ptr[1]) +
+                 GETJSAMPLE(*below_ptr) + GETJSAMPLE(below_ptr[1]) +
+                 GETJSAMPLE(inptr0[-1]) + GETJSAMPLE(inptr0[2]) +
+                 GETJSAMPLE(inptr1[-1]) + GETJSAMPLE(inptr1[2]);
      /* The edge-neighbors count twice as much as corner-neighbors */
      neighsum += neighsum;
      /* Add in the corner-neighbors */
-      neighsum += above_ptr[-1] + above_ptr[2] + below_ptr[-1] + below_ptr[2];
+      neighsum += GETJSAMPLE(above_ptr[-1]) + GETJSAMPLE(above_ptr[2]) +
+                  GETJSAMPLE(below_ptr[-1]) + GETJSAMPLE(below_ptr[2]);
      /* form final output scaled up by 2^16 */
      membersum = membersum * memberscale + neighsum * neighscale;
      /* round, descale and output it */
@@ -362,11 +372,15 @@ h2v2_smooth_downsample(j_compress_ptr cinfo, jpeg_component_info *compptr,
    }

    /* Special case for last column */
-    membersum = inptr0[0] + inptr0[1] + inptr1[0] + inptr1[1];
-    neighsum = above_ptr[0] + above_ptr[1] + below_ptr[0] + below_ptr[1] +
-               inptr0[-1] + inptr0[1] + inptr1[-1] + inptr1[1];
+    membersum = GETJSAMPLE(*inptr0) + GETJSAMPLE(inptr0[1]) +
+                GETJSAMPLE(*inptr1) + GETJSAMPLE(inptr1[1]);
+    neighsum = GETJSAMPLE(*above_ptr) + GETJSAMPLE(above_ptr[1]) +
+               GETJSAMPLE(*below_ptr) + GETJSAMPLE(below_ptr[1]) +
+               GETJSAMPLE(inptr0[-1]) + GETJSAMPLE(inptr0[1]) +
+               GETJSAMPLE(inptr1[-1]) + GETJSAMPLE(inptr1[1]);
    neighsum += neighsum;
-    neighsum += above_ptr[-1] + above_ptr[1] + below_ptr[-1] + below_ptr[1];
+    neighsum += GETJSAMPLE(above_ptr[-1]) + GETJSAMPLE(above_ptr[1]) +
+                GETJSAMPLE(below_ptr[-1]) + GETJSAMPLE(below_ptr[1]);
    membersum = membersum * memberscale + neighsum * neighscale;
    *outptr = (JSAMPLE)((membersum + 32768) >> 16);

@@ -415,18 +429,21 @@ fullsize_smooth_downsample(j_compress_ptr cinfo, jpeg_component_info *compptr,
    below_ptr = input_data[outrow + 1];

    /* Special case for first column */
-    colsum = (*above_ptr++) + (*below_ptr++) + inptr[0];
-    membersum = *inptr++;
-    nextcolsum = above_ptr[0] + below_ptr[0] + inptr[0];
+    colsum = GETJSAMPLE(*above_ptr++) + GETJSAMPLE(*below_ptr++) +
+             GETJSAMPLE(*inptr);
+    membersum = GETJSAMPLE(*inptr++);
+    nextcolsum = GETJSAMPLE(*above_ptr) + GETJSAMPLE(*below_ptr) +
+                 GETJSAMPLE(*inptr);
    neighsum = colsum + (colsum - membersum) + nextcolsum;
    membersum = membersum * memberscale + neighsum * neighscale;
    *outptr++ = (JSAMPLE)((membersum + 32768) >> 16);
    lastcolsum = colsum;  colsum = nextcolsum;

    for (colctr = output_cols - 2; colctr > 0; colctr--) {
-      membersum = *inptr++;
+      membersum = GETJSAMPLE(*inptr++);
      above_ptr++;  below_ptr++;
-      nextcolsum = above_ptr[0] + below_ptr[0] + inptr[0];
+      nextcolsum = GETJSAMPLE(*above_ptr) + GETJSAMPLE(*below_ptr) +
+                   GETJSAMPLE(*inptr);
      neighsum = lastcolsum + (colsum - membersum) + nextcolsum;
      membersum = membersum * memberscale + neighsum * neighscale;
      *outptr++ = (JSAMPLE)((membersum + 32768) >> 16);
@@ -434,7 +451,7 @@ fullsize_smooth_downsample(j_compress_ptr cinfo, jpeg_component_info *compptr,
    }

    /* Special case for last column */
-    membersum = *inptr;
+    membersum = GETJSAMPLE(*inptr);
    neighsum = lastcolsum + (colsum - membersum) + colsum;
    membersum = membersum * memberscale + neighsum * neighscale;
    *outptr = (JSAMPLE)((membersum + 32768) >> 16);
@@ -4,8 +4,8 @@
 * This file was part of the Independent JPEG Group's software:
 * Copyright (C) 1995-1998, Thomas G. Lane.
 * Modified 2000-2009 by Guido Vollbeding.
- * libjpeg-turbo Modifications:
- * Copyright (C) 2020, D. R. Commander.
+ * It was modified by The libjpeg-turbo Project to include only code relevant
+ * to libjpeg-turbo.
 * For conditions of distribution and use, see the accompanying README.ijg
 * file.
 *
@@ -17,7 +17,6 @@
 #define JPEG_INTERNALS
 #include "jinclude.h"
 #include "jpeglib.h"
-#include "jpegcomp.h"


 /* Forward declarations */
@@ -23,7 +23,6 @@
 #include "jinclude.h"
 #include "jpeglib.h"
 #include "jdmaster.h"
-#include "jconfigint.h"


 /*
@@ -309,7 +308,7 @@ jpeg_consume_input(j_decompress_ptr cinfo)
    /* Initialize application's data source module */
    (*cinfo->src->init_source) (cinfo);
    cinfo->global_state = DSTATE_INHEADER;
-    FALLTHROUGH                 /*FALLTHROUGH*/
+    /*FALLTHROUGH*/
  case DSTATE_INHEADER:
    retcode = (*cinfo->inputctl->consume_input) (cinfo);
    if (retcode == JPEG_REACHED_SOS) { /* Found SOS, prepare to decompress */
@@ -4,7 +4,7 @@
 * This file was part of the Independent JPEG Group's software:
 * Copyright (C) 1994-1996, Thomas G. Lane.
 * libjpeg-turbo Modifications:
- * Copyright (C) 2010, 2015-2020, D. R. Commander.
+ * Copyright (C) 2010, 2015-2018, D. R. Commander.
 * Copyright (C) 2015, Google, Inc.
 * For conditions of distribution and use, see the accompanying README.ijg
 * file.
@@ -21,8 +21,6 @@
 #include "jinclude.h"
 #include "jdmainct.h"
 #include "jdcoefct.h"
-#include "jdmaster.h"
-#include "jdmerge.h"
 #include "jdsample.h"
 #include "jmemsys.h"

@@ -318,10 +316,6 @@ LOCAL(void)
 read_and_discard_scanlines(j_decompress_ptr cinfo, JDIMENSION num_lines)
 {
  JDIMENSION n;
-  my_master_ptr master = (my_master_ptr)cinfo->master;
-  JSAMPLE dummy_sample[1] = { 0 };
-  JSAMPROW dummy_row = dummy_sample;
-  JSAMPARRAY scanlines = NULL;
  void (*color_convert) (j_decompress_ptr cinfo, JSAMPIMAGE input_buf,
                         JDIMENSION input_row, JSAMPARRAY output_buf,
                         int num_rows) = NULL;
@@ -331,10 +325,6 @@ read_and_discard_scanlines(j_decompress_ptr cinfo, JDIMENSION num_lines)
  if (cinfo->cconvert && cinfo->cconvert->color_convert) {
    color_convert = cinfo->cconvert->color_convert;
    cinfo->cconvert->color_convert = noop_convert;
-    /* This just prevents UBSan from complaining about adding 0 to a NULL
-     * pointer.  The pointer isn't actually used.
-     */
-    scanlines = &dummy_row;
  }

  if (cinfo->cquantize && cinfo->cquantize->color_quantize) {
@@ -342,13 +332,8 @@ read_and_discard_scanlines(j_decompress_ptr cinfo, JDIMENSION num_lines)
    cinfo->cquantize->color_quantize = noop_quantize;
  }

-  if (master->using_merged_upsample && cinfo->max_v_samp_factor == 2) {
-    my_merged_upsample_ptr upsample = (my_merged_upsample_ptr)cinfo->upsample;
-    scanlines = &upsample->spare_row;
-  }
-
  for (n = 0; n < num_lines; n++)
-    jpeg_read_scanlines(cinfo, scanlines, 1);
+    jpeg_read_scanlines(cinfo, NULL, 1);

  if (color_convert)
    cinfo->cconvert->color_convert = color_convert;
@@ -368,12 +353,6 @@ increment_simple_rowgroup_ctr(j_decompress_ptr cinfo, JDIMENSION rows)
 {
  JDIMENSION rows_left;
  my_main_ptr main_ptr = (my_main_ptr)cinfo->main;
-  my_master_ptr master = (my_master_ptr)cinfo->master;
-
-  if (master->using_merged_upsample && cinfo->max_v_samp_factor == 2) {
-    read_and_discard_scanlines(cinfo, rows);
-    return;
-  }

  /* Increment the counter to the next row group after the skipped rows. */
  main_ptr->rowgroup_ctr += rows / cinfo->max_v_samp_factor;
@@ -403,27 +382,21 @@ jpeg_skip_scanlines(j_decompress_ptr cinfo, JDIMENSION num_lines)
 {
  my_main_ptr main_ptr = (my_main_ptr)cinfo->main;
  my_coef_ptr coef = (my_coef_ptr)cinfo->coef;
-  my_master_ptr master = (my_master_ptr)cinfo->master;
  my_upsample_ptr upsample = (my_upsample_ptr)cinfo->upsample;
  JDIMENSION i, x;
  int y;
  JDIMENSION lines_per_iMCU_row, lines_left_in_iMCU_row, lines_after_iMCU_row;
  JDIMENSION lines_to_skip, lines_to_read;

-  /* Two-pass color quantization is not supported. */
-  if (cinfo->quantize_colors && cinfo->two_pass_quantize)
-    ERREXIT(cinfo, JERR_NOTIMPL);
-
  if (cinfo->global_state != DSTATE_SCANNING)
    ERREXIT1(cinfo, JERR_BAD_STATE, cinfo->global_state);

  /* Do not skip past the bottom of the image. */
  if (cinfo->output_scanline + num_lines >= cinfo->output_height) {
-    num_lines = cinfo->output_height - cinfo->output_scanline;
    cinfo->output_scanline = cinfo->output_height;
    (*cinfo->inputctl->finish_input_pass) (cinfo);
    cinfo->inputctl->eoi_reached = TRUE;
-    return num_lines;
+    return cinfo->output_height - cinfo->output_scanline;
  }

  if (num_lines == 0)
@@ -472,10 +445,8 @@ jpeg_skip_scanlines(j_decompress_ptr cinfo, JDIMENSION num_lines)
    main_ptr->buffer_full = FALSE;
    main_ptr->rowgroup_ctr = 0;
    main_ptr->context_state = CTX_PREPARE_FOR_IMCU;
-    if (!master->using_merged_upsample) {
-      upsample->next_row_out = cinfo->max_v_samp_factor;
-      upsample->rows_to_go = cinfo->output_height - cinfo->output_scanline;
-    }
+    upsample->next_row_out = cinfo->max_v_samp_factor;
+    upsample->rows_to_go = cinfo->output_height - cinfo->output_scanline;
  }

  /* Skipping is much simpler when context rows are not required. */
@@ -487,10 +458,8 @@ jpeg_skip_scanlines(j_decompress_ptr cinfo, JDIMENSION num_lines)
      cinfo->output_scanline += lines_left_in_iMCU_row;
      main_ptr->buffer_full = FALSE;
      main_ptr->rowgroup_ctr = 0;
-      if (!master->using_merged_upsample) {
-        upsample->next_row_out = cinfo->max_v_samp_factor;
-        upsample->rows_to_go = cinfo->output_height - cinfo->output_scanline;
-      }
+      upsample->next_row_out = cinfo->max_v_samp_factor;
+      upsample->rows_to_go = cinfo->output_height - cinfo->output_scanline;
    }
  }

@@ -525,8 +494,7 @@ jpeg_skip_scanlines(j_decompress_ptr cinfo, JDIMENSION num_lines)
      cinfo->output_iMCU_row += lines_to_skip / lines_per_iMCU_row;
      increment_simple_rowgroup_ctr(cinfo, lines_to_read);
    }
-    if (!master->using_merged_upsample)
-      upsample->rows_to_go = cinfo->output_height - cinfo->output_scanline;
+    upsample->rows_to_go = cinfo->output_height - cinfo->output_scanline;
    return num_lines;
  }

@@ -538,8 +506,6 @@ jpeg_skip_scanlines(j_decompress_ptr cinfo, JDIMENSION num_lines)
         * decoded coefficients.  This is ~5% faster for large subsets, but
         * it's tough to tell a difference for smaller images.
         */
-        if (!cinfo->entropy->insufficient_data)
-          cinfo->master->last_good_iMCU_row = cinfo->input_iMCU_row;
        (*cinfo->entropy->decode_mcu) (cinfo, NULL);
      }
    }
@@ -569,8 +535,7 @@ jpeg_skip_scanlines(j_decompress_ptr cinfo, JDIMENSION num_lines)
   * bit odd, since "rows_to_go" seems to be redundantly keeping track of
   * output_scanline.
   */
-  if (!master->using_merged_upsample)
-    upsample->rows_to_go = cinfo->output_height - cinfo->output_scanline;
+  upsample->rows_to_go = cinfo->output_height - cinfo->output_scanline;

  /* Always skip the requested number of lines. */
  return num_lines;
@@ -4,7 +4,7 @@
 * This file was part of the Independent JPEG Group's software:
 * Developed 1997-2015 by Guido Vollbeding.
 * libjpeg-turbo Modifications:
- * Copyright (C) 2015-2020, D. R. Commander.
+ * Copyright (C) 2015-2018, D. R. Commander.
 * For conditions of distribution and use, see the accompanying README.ijg
 * file.
 *
@@ -80,7 +80,7 @@ get_byte(j_decompress_ptr cinfo)
    if (!(*src->fill_input_buffer) (cinfo))
      ERREXIT(cinfo, JERR_CANT_SUSPEND);
  src->bytes_in_buffer--;
-  return *src->next_input_byte++;
+  return GETJOCTET(*src->next_input_byte++);
 }


@@ -665,16 +665,8 @@ bad:
    for (ci = 0; ci < cinfo->comps_in_scan; ci++) {
      int coefi, cindex = cinfo->cur_comp_info[ci]->component_index;
      int *coef_bit_ptr = &cinfo->coef_bits[cindex][0];
-      int *prev_coef_bit_ptr =
-        &cinfo->coef_bits[cindex + cinfo->num_components][0];
      if (cinfo->Ss && coef_bit_ptr[0] < 0) /* AC without prior DC scan */
        WARNMS2(cinfo, JWRN_BOGUS_PROGRESSION, cindex, 0);
-      for (coefi = MIN(cinfo->Ss, 1); coefi <= MAX(cinfo->Se, 9); coefi++) {
-        if (cinfo->input_scan_number > 1)
-          prev_coef_bit_ptr[coefi] = coef_bit_ptr[coefi];
-        else
-          prev_coef_bit_ptr[coefi] = 0;
-      }
      for (coefi = cinfo->Ss; coefi <= cinfo->Se; coefi++) {
        int expected = (coef_bit_ptr[coefi] < 0) ? 0 : coef_bit_ptr[coefi];
        if (cinfo->Ah != expected)
@@ -735,7 +727,6 @@ bad:
  entropy->c = 0;
  entropy->a = 0;
  entropy->ct = -16;    /* force reading 2 initial bytes to fill C */
-  entropy->pub.insufficient_data = FALSE;

  /* Initialize restart counter */
  entropy->restarts_to_go = cinfo->restart_interval;
@@ -772,7 +763,7 @@ jinit_arith_decoder(j_decompress_ptr cinfo)
    int *coef_bit_ptr, ci;
    cinfo->coef_bits = (int (*)[DCTSIZE2])
      (*cinfo->mem->alloc_small) ((j_common_ptr)cinfo, JPOOL_IMAGE,
-                                  cinfo->num_components * 2 * DCTSIZE2 *
+                                  cinfo->num_components * DCTSIZE2 *
                                  sizeof(int));
    coef_bit_ptr = &cinfo->coef_bits[0][0];
    for (ci = 0; ci < cinfo->num_components; ci++)
@@ -5,8 +5,8 @@
 * Copyright (C) 1994-1997, Thomas G. Lane.
 * libjpeg-turbo Modifications:
 * Copyright 2009 Pierre Ossman <ossman@cendio.se> for Cendio AB
- * Copyright (C) 2010, 2015-2016, 2019-2020, D. R. Commander.
- * Copyright (C) 2015, 2020, Google, Inc.
+ * Copyright (C) 2010, 2015-2016, D. R. Commander.
+ * Copyright (C) 2015, Google, Inc.
 * For conditions of distribution and use, see the accompanying README.ijg
 * file.
 *
@@ -102,8 +102,6 @@ decompress_onepass(j_decompress_ptr cinfo, JSAMPIMAGE output_buf)
      /* Try to fetch an MCU.  Entropy decoder expects buffer to be zeroed. */
      jzero_far((void *)coef->MCU_buffer[0],
                (size_t)(cinfo->blocks_in_MCU * sizeof(JBLOCK)));
-      if (!cinfo->entropy->insufficient_data)
-        cinfo->master->last_good_iMCU_row = cinfo->input_iMCU_row;
      if (!(*cinfo->entropy->decode_mcu) (cinfo, coef->MCU_buffer)) {
        /* Suspension forced; update state counters and exit */
        coef->MCU_vert_offset = yoffset;
@@ -229,8 +227,6 @@ consume_data(j_decompress_ptr cinfo)
          }
        }
      }
-      if (!cinfo->entropy->insufficient_data)
-        cinfo->master->last_good_iMCU_row = cinfo->input_iMCU_row;
      /* Try to fetch the MCU. */
      if (!(*cinfo->entropy->decode_mcu) (cinfo, coef->MCU_buffer)) {
        /* Suspension forced; update state counters and exit */
@@ -330,22 +326,19 @@ decompress_data(j_decompress_ptr cinfo, JSAMPIMAGE output_buf)
 #ifdef BLOCK_SMOOTHING_SUPPORTED

 /*
- * This code applies interblock smoothing; the first 9 AC coefficients are
- * estimated from the DC values of a DCT block and its 24 neighboring blocks.
+ * This code applies interblock smoothing as described by section K.8
+ * of the JPEG standard: the first 5 AC coefficients are estimated from
+ * the DC values of a DCT block and its 8 neighboring blocks.
 * We apply smoothing only for progressive JPEG decoding, and only if
 * the coefficients it can estimate are not yet known to full precision.
 */

-/* Natural-order array positions of the first 9 zigzag-order coefficients */
+/* Natural-order array positions of the first 5 zigzag-order coefficients */
 #define Q01_POS  1
 #define Q10_POS  8
 #define Q20_POS  16
 #define Q11_POS  9
 #define Q02_POS  2
-#define Q03_POS  3
-#define Q12_POS  10
-#define Q21_POS  17
-#define Q30_POS  24

 /*
 * Determine whether block smoothing is applicable and safe.
@@ -363,8 +356,8 @@ smoothing_ok(j_decompress_ptr cinfo)
  int ci, coefi;
  jpeg_component_info *compptr;
  JQUANT_TBL *qtable;
-  int *coef_bits, *prev_coef_bits;
-  int *coef_bits_latch, *prev_coef_bits_latch;
+  int *coef_bits;
+  int *coef_bits_latch;

  if (!cinfo->progressive_mode || cinfo->coef_bits == NULL)
    return FALSE;
@@ -373,47 +366,34 @@ smoothing_ok(j_decompress_ptr cinfo)
  if (coef->coef_bits_latch == NULL)
    coef->coef_bits_latch = (int *)
      (*cinfo->mem->alloc_small) ((j_common_ptr)cinfo, JPOOL_IMAGE,
-                                  cinfo->num_components * 2 *
+                                  cinfo->num_components *
                                  (SAVED_COEFS * sizeof(int)));
  coef_bits_latch = coef->coef_bits_latch;
-  prev_coef_bits_latch =
-    &coef->coef_bits_latch[cinfo->num_components * SAVED_COEFS];

  for (ci = 0, compptr = cinfo->comp_info; ci < cinfo->num_components;
       ci++, compptr++) {
    /* All components' quantization values must already be latched. */
    if ((qtable = compptr->quant_table) == NULL)
      return FALSE;
-    /* Verify DC & first 9 AC quantizers are nonzero to avoid zero-divide. */
+    /* Verify DC & first 5 AC quantizers are nonzero to avoid zero-divide. */
    if (qtable->quantval[0] == 0 ||
        qtable->quantval[Q01_POS] == 0 ||
        qtable->quantval[Q10_POS] == 0 ||
        qtable->quantval[Q20_POS] == 0 ||
        qtable->quantval[Q11_POS] == 0 ||
-        qtable->quantval[Q02_POS] == 0 ||
-        qtable->quantval[Q03_POS] == 0 ||
-        qtable->quantval[Q12_POS] == 0 ||
-        qtable->quantval[Q21_POS] == 0 ||
-        qtable->quantval[Q30_POS] == 0)
+        qtable->quantval[Q02_POS] == 0)
      return FALSE;
    /* DC values must be at least partly known for all components. */
    coef_bits = cinfo->coef_bits[ci];
-    prev_coef_bits = cinfo->coef_bits[ci + cinfo->num_components];
    if (coef_bits[0] < 0)
      return FALSE;
-    coef_bits_latch[0] = coef_bits[0];
    /* Block smoothing is helpful if some AC coefficients remain inaccurate. */
-    for (coefi = 1; coefi < SAVED_COEFS; coefi++) {
-      if (cinfo->input_scan_number > 1)
-        prev_coef_bits_latch[coefi] = prev_coef_bits[coefi];
-      else
-        prev_coef_bits_latch[coefi] = -1;
+    for (coefi = 1; coefi <= 5; coefi++) {
      coef_bits_latch[coefi] = coef_bits[coefi];
      if (coef_bits[coefi] != 0)
        smoothing_useful = TRUE;
    }
    coef_bits_latch += SAVED_COEFS;
-    prev_coef_bits_latch += SAVED_COEFS;
  }

  return smoothing_useful;
@@ -432,20 +412,17 @@ decompress_smooth_data(j_decompress_ptr cinfo, JSAMPIMAGE output_buf)
  JDIMENSION block_num, last_block_column;
  int ci, block_row, block_rows, access_rows;
  JBLOCKARRAY buffer;
-  JBLOCKROW buffer_ptr, prev_prev_block_row, prev_block_row;
-  JBLOCKROW next_block_row, next_next_block_row;
+  JBLOCKROW buffer_ptr, prev_block_row, next_block_row;
  JSAMPARRAY output_ptr;
  JDIMENSION output_col;
  jpeg_component_info *compptr;
  inverse_DCT_method_ptr inverse_DCT;
-  boolean change_dc;
+  boolean first_row, last_row;
  JCOEF *workspace;
  int *coef_bits;
  JQUANT_TBL *quanttbl;
-  JLONG Q00, Q01, Q02, Q03 = 0, Q10, Q11, Q12 = 0, Q20, Q21 = 0, Q30 = 0, num;
-  int DC01, DC02, DC03, DC04, DC05, DC06, DC07, DC08, DC09, DC10, DC11, DC12,
-      DC13, DC14, DC15, DC16, DC17, DC18, DC19, DC20, DC21, DC22, DC23, DC24,
-      DC25;
+  JLONG Q00, Q01, Q02, Q10, Q11, Q20, num;
+  int DC1, DC2, DC3, DC4, DC5, DC6, DC7, DC8, DC9;
  int Al, pred;

  /* Keep a local variable to avoid looking it up more than once */
@@ -457,10 +434,10 @@ decompress_smooth_data(j_decompress_ptr cinfo, JSAMPIMAGE output_buf)
    if (cinfo->input_scan_number == cinfo->output_scan_number) {
      /* If input is working on current scan, we ordinarily want it to
       * have completed the current row.  But if input scan is DC,
-       * we want it to keep two rows ahead so that next two block rows' DC
+       * we want it to keep one row ahead so that next block row's DC
       * values are up to date.
       */
-      JDIMENSION delta = (cinfo->Ss == 0) ? 2 : 0;
+      JDIMENSION delta = (cinfo->Ss == 0) ? 1 : 0;
      if (cinfo->input_iMCU_row > cinfo->output_iMCU_row + delta)
        break;
    }
@@ -475,53 +452,34 @@ decompress_smooth_data(j_decompress_ptr cinfo, JSAMPIMAGE output_buf)
    if (!compptr->component_needed)
      continue;
    /* Count non-dummy DCT block rows in this iMCU row. */
-    if (cinfo->output_iMCU_row < last_iMCU_row - 1) {
-      block_rows = compptr->v_samp_factor;
-      access_rows = block_rows * 3; /* this and next two iMCU rows */
-    } else if (cinfo->output_iMCU_row < last_iMCU_row) {
+    if (cinfo->output_iMCU_row < last_iMCU_row) {
      block_rows = compptr->v_samp_factor;
      access_rows = block_rows * 2; /* this and next iMCU row */
+      last_row = FALSE;
    } else {
      /* NB: can't use last_row_height here; it is input-side-dependent! */
      block_rows = (int)(compptr->height_in_blocks % compptr->v_samp_factor);
      if (block_rows == 0) block_rows = compptr->v_samp_factor;
      access_rows = block_rows; /* this iMCU row only */
+      last_row = TRUE;
    }
    /* Align the virtual buffer for this component. */
-    if (cinfo->output_iMCU_row > 1) {
-      access_rows += 2 * compptr->v_samp_factor; /* prior two iMCU rows too */
-      buffer = (*cinfo->mem->access_virt_barray)
-        ((j_common_ptr)cinfo, coef->whole_image[ci],
-         (cinfo->output_iMCU_row - 2) * compptr->v_samp_factor,
-         (JDIMENSION)access_rows, FALSE);
-      buffer += 2 * compptr->v_samp_factor; /* point to current iMCU row */
-    } else if (cinfo->output_iMCU_row > 0) {
+    if (cinfo->output_iMCU_row > 0) {
+      access_rows += compptr->v_samp_factor; /* prior iMCU row too */
      buffer = (*cinfo->mem->access_virt_barray)
        ((j_common_ptr)cinfo, coef->whole_image[ci],
         (cinfo->output_iMCU_row - 1) * compptr->v_samp_factor,
         (JDIMENSION)access_rows, FALSE);
      buffer += compptr->v_samp_factor; /* point to current iMCU row */
+      first_row = FALSE;
    } else {
      buffer = (*cinfo->mem->access_virt_barray)
        ((j_common_ptr)cinfo, coef->whole_image[ci],
         (JDIMENSION)0, (JDIMENSION)access_rows, FALSE);
+      first_row = TRUE;
    }
-    /* Fetch component-dependent info.
-     * If the current scan is incomplete, then we use the component-dependent
-     * info from the previous scan.
-     */
-    if (cinfo->output_iMCU_row > cinfo->master->last_good_iMCU_row)
-      coef_bits =
-        coef->coef_bits_latch + ((ci + cinfo->num_components) * SAVED_COEFS);
-    else
-      coef_bits = coef->coef_bits_latch + (ci * SAVED_COEFS);
-
-    /* We only do DC interpolation if no AC coefficient data is available. */
-    change_dc =
-      coef_bits[1] == -1 && coef_bits[2] == -1 && coef_bits[3] == -1 &&
-      coef_bits[4] == -1 && coef_bits[5] == -1 && coef_bits[6] == -1 &&
-      coef_bits[7] == -1 && coef_bits[8] == -1 && coef_bits[9] == -1;
-
+    /* Fetch component-dependent info */
+    coef_bits = coef->coef_bits_latch + (ci * SAVED_COEFS);
    quanttbl = compptr->quant_table;
    Q00 = quanttbl->quantval[0];
    Q01 = quanttbl->quantval[Q01_POS];
@@ -529,51 +487,25 @@ decompress_smooth_data(j_decompress_ptr cinfo, JSAMPIMAGE output_buf)
    Q20 = quanttbl->quantval[Q20_POS];
    Q11 = quanttbl->quantval[Q11_POS];
    Q02 = quanttbl->quantval[Q02_POS];
-    if (change_dc) {
-      Q03 = quanttbl->quantval[Q03_POS];
-      Q12 = quanttbl->quantval[Q12_POS];
-      Q21 = quanttbl->quantval[Q21_POS];
-      Q30 = quanttbl->quantval[Q30_POS];
-    }
    inverse_DCT = cinfo->idct->inverse_DCT[ci];
    output_ptr = output_buf[ci];
    /* Loop over all DCT blocks to be processed. */
    for (block_row = 0; block_row < block_rows; block_row++) {
      buffer_ptr = buffer[block_row] + cinfo->master->first_MCU_col[ci];
-
-      if (block_row > 0 || cinfo->output_iMCU_row > 0)
-        prev_block_row =
-          buffer[block_row - 1] + cinfo->master->first_MCU_col[ci];
-      else
+      if (first_row && block_row == 0)
        prev_block_row = buffer_ptr;
-
-      if (block_row > 1 || cinfo->output_iMCU_row > 1)
-        prev_prev_block_row =
-          buffer[block_row - 2] + cinfo->master->first_MCU_col[ci];
-      else
-        prev_prev_block_row = prev_block_row;
-
-      if (block_row < block_rows - 1 || cinfo->output_iMCU_row < last_iMCU_row)
-        next_block_row =
-          buffer[block_row + 1] + cinfo->master->first_MCU_col[ci];
      else
+        prev_block_row = buffer[block_row - 1];
+      if (last_row && block_row == block_rows - 1)
        next_block_row = buffer_ptr;
-
-      if (block_row < block_rows - 2 ||
-          cinfo->output_iMCU_row < last_iMCU_row - 1)
-        next_next_block_row =
-          buffer[block_row + 2] + cinfo->master->first_MCU_col[ci];
      else
-        next_next_block_row = next_block_row;
-
+        next_block_row = buffer[block_row + 1];
      /* We fetch the surrounding DC values using a sliding-register approach.
-       * Initialize all 25 here so as to do the right thing on narrow pics.
+       * Initialize all nine here so as to do the right thing on narrow pics.
       */
-      DC01 = DC02 = DC03 = DC04 = DC05 = (int)prev_prev_block_row[0][0];
-      DC06 = DC07 = DC08 = DC09 = DC10 = (int)prev_block_row[0][0];
-      DC11 = DC12 = DC13 = DC14 = DC15 = (int)buffer_ptr[0][0];
-      DC16 = DC17 = DC18 = DC19 = DC20 = (int)next_block_row[0][0];
-      DC21 = DC22 = DC23 = DC24 = DC25 = (int)next_next_block_row[0][0];
+      DC1 = DC2 = DC3 = (int)prev_block_row[0][0];
+      DC4 = DC5 = DC6 = (int)buffer_ptr[0][0];
+      DC7 = DC8 = DC9 = (int)next_block_row[0][0];
      output_col = 0;
      last_block_column = compptr->width_in_blocks - 1;
      for (block_num = cinfo->master->first_MCU_col[ci];
@@ -581,39 +513,18 @@ decompress_smooth_data(j_decompress_ptr cinfo, JSAMPIMAGE output_buf)
        /* Fetch current DCT block into workspace so we can modify it. */
        jcopy_block_row(buffer_ptr, (JBLOCKROW)workspace, (JDIMENSION)1);
        /* Update DC values */
-        if (block_num == cinfo->master->first_MCU_col[ci] &&
-            block_num < last_block_column) {
-          DC04 = (int)prev_prev_block_row[1][0];
-          DC09 = (int)prev_block_row[1][0];
-          DC14 = (int)buffer_ptr[1][0];
-          DC19 = (int)next_block_row[1][0];
-          DC24 = (int)next_next_block_row[1][0];
+        if (block_num < last_block_column) {
+          DC3 = (int)prev_block_row[1][0];
+          DC6 = (int)buffer_ptr[1][0];
+          DC9 = (int)next_block_row[1][0];
        }
-        if (block_num + 1 < last_block_column) {
-          DC05 = (int)prev_prev_block_row[2][0];
-          DC10 = (int)prev_block_row[2][0];
-          DC15 = (int)buffer_ptr[2][0];
-          DC20 = (int)next_block_row[2][0];
-          DC25 = (int)next_next_block_row[2][0];
-        }
-        /* If DC interpolation is enabled, compute coefficient estimates using
-         * a Gaussian-like kernel, keeping the averages of the DC values.
-         *
-         * If DC interpolation is disabled, compute coefficient estimates using
-         * an algorithm similar to the one described in Section K.8 of the JPEG
-         * standard, except applied to a 5x5 window rather than a 3x3 window.
-         *
-         * An estimate is applied only if the coefficient is still zero and is
-         * not known to be fully accurate.
+        /* Compute coefficient estimates per K.8.
+         * An estimate is applied only if coefficient is still zero,
+         * and is not known to be fully accurate.
         */
        /* AC01 */
        if ((Al = coef_bits[1]) != 0 && workspace[1] == 0) {
-          num = Q00 * (change_dc ?
-                (-DC01 - DC02 + DC04 + DC05 - 3 * DC06 + 13 * DC07 -
-                 13 * DC09 + 3 * DC10 - 3 * DC11 + 38 * DC12 - 38 * DC14 +
-                 3 * DC15 - 3 * DC16 + 13 * DC17 - 13 * DC19 + 3 * DC20 -
-                 DC21 - DC22 + DC24 + DC25) :
-                (-7 * DC11 + 50 * DC12 - 50 * DC14 + 7 * DC15));
+          num = 36 * Q00 * (DC4 - DC6);
          if (num >= 0) {
            pred = (int)(((Q01 << 7) + num) / (Q01 << 8));
            if (Al > 0 && pred >= (1 << Al))
@@ -628,12 +539,7 @@ decompress_smooth_data(j_decompress_ptr cinfo, JSAMPIMAGE output_buf)
        }
        /* AC10 */
        if ((Al = coef_bits[2]) != 0 && workspace[8] == 0) {
-          num = Q00 * (change_dc ?
-                (-DC01 - 3 * DC02 - 3 * DC03 - 3 * DC04 - DC05 - DC06 +
-                 13 * DC07 + 38 * DC08 + 13 * DC09 - DC10 + DC16 -
-                 13 * DC17 - 38 * DC18 - 13 * DC19 + DC20 + DC21 +
-                 3 * DC22 + 3 * DC23 + 3 * DC24 + DC25) :
-                (-7 * DC03 + 50 * DC08 - 50 * DC18 + 7 * DC23));
+          num = 36 * Q00 * (DC2 - DC8);
          if (num >= 0) {
            pred = (int)(((Q10 << 7) + num) / (Q10 << 8));
            if (Al > 0 && pred >= (1 << Al))
@@ -648,10 +554,7 @@ decompress_smooth_data(j_decompress_ptr cinfo, JSAMPIMAGE output_buf)
        }
        /* AC20 */
        if ((Al = coef_bits[3]) != 0 && workspace[16] == 0) {
-          num = Q00 * (change_dc ?
-                (DC03 + 2 * DC07 + 7 * DC08 + 2 * DC09 - 5 * DC12 - 14 * DC13 -
-                 5 * DC14 + 2 * DC17 + 7 * DC18 + 2 * DC19 + DC23) :
-                (-DC03 + 13 * DC08 - 24 * DC13 + 13 * DC18 - DC23));
+          num = 9 * Q00 * (DC2 + DC8 - 2 * DC5);
          if (num >= 0) {
            pred = (int)(((Q20 << 7) + num) / (Q20 << 8));
            if (Al > 0 && pred >= (1 << Al))
@@ -666,11 +569,7 @@ decompress_smooth_data(j_decompress_ptr cinfo, JSAMPIMAGE output_buf)
        }
        /* AC11 */
        if ((Al = coef_bits[4]) != 0 && workspace[9] == 0) {
-          num = Q00 * (change_dc ?
-                (-DC01 + DC05 + 9 * DC07 - 9 * DC09 - 9 * DC17 +
-                 9 * DC19 + DC21 - DC25) :
-                (DC10 + DC16 - 10 * DC17 + 10 * DC19 - DC02 - DC20 + DC22 -
-                 DC24 + DC04 - DC06 + 10 * DC07 - 10 * DC09));
+          num = 5 * Q00 * (DC1 - DC3 - DC7 + DC9);
          if (num >= 0) {
            pred = (int)(((Q11 << 7) + num) / (Q11 << 8));
            if (Al > 0 && pred >= (1 << Al))
@@ -685,10 +584,7 @@ decompress_smooth_data(j_decompress_ptr cinfo, JSAMPIMAGE output_buf)
        }
        /* AC02 */
        if ((Al = coef_bits[5]) != 0 && workspace[2] == 0) {
-          num = Q00 * (change_dc ?
-                (2 * DC07 - 5 * DC08 + 2 * DC09 + DC11 + 7 * DC12 - 14 * DC13 +
-                 7 * DC14 + DC15 + 2 * DC17 - 5 * DC18 + 2 * DC19) :
-                (-DC11 + 13 * DC12 - 24 * DC13 + 13 * DC14 - DC15));
+          num = 9 * Q00 * (DC4 + DC6 - 2 * DC5);
          if (num >= 0) {
            pred = (int)(((Q02 << 7) + num) / (Q02 << 8));
            if (Al > 0 && pred >= (1 << Al))
@@ -701,96 +597,14 @@ decompress_smooth_data(j_decompress_ptr cinfo, JSAMPIMAGE output_buf)
          }
          workspace[2] = (JCOEF)pred;
        }
-        if (change_dc) {
-          /* AC03 */
-          if ((Al = coef_bits[6]) != 0 && workspace[3] == 0) {
-            num = Q00 * (DC07 - DC09 + 2 * DC12 - 2 * DC14 + DC17 - DC19);
-            if (num >= 0) {
-              pred = (int)(((Q03 << 7) + num) / (Q03 << 8));
-              if (Al > 0 && pred >= (1 << Al))
-                pred = (1 << Al) - 1;
-            } else {
-              pred = (int)(((Q03 << 7) - num) / (Q03 << 8));
-              if (Al > 0 && pred >= (1 << Al))
-                pred = (1 << Al) - 1;
-              pred = -pred;
-            }
-            workspace[3] = (JCOEF)pred;
-          }
-          /* AC12 */
-          if ((Al = coef_bits[7]) != 0 && workspace[10] == 0) {
-            num = Q00 * (DC07 - 3 * DC08 + DC09 - DC17 + 3 * DC18 - DC19);
-            if (num >= 0) {
-              pred = (int)(((Q12 << 7) + num) / (Q12 << 8));
-              if (Al > 0 && pred >= (1 << Al))
-                pred = (1 << Al) - 1;
-            } else {
-              pred = (int)(((Q12 << 7) - num) / (Q12 << 8));
-              if (Al > 0 && pred >= (1 << Al))
-                pred = (1 << Al) - 1;
-              pred = -pred;
-            }
-            workspace[10] = (JCOEF)pred;
-          }
-          /* AC21 */
-          if ((Al = coef_bits[8]) != 0 && workspace[17] == 0) {
-            num = Q00 * (DC07 - DC09 - 3 * DC12 + 3 * DC14 + DC17 - DC19);
-            if (num >= 0) {
-              pred = (int)(((Q21 << 7) + num) / (Q21 << 8));
-              if (Al > 0 && pred >= (1 << Al))
-                pred = (1 << Al) - 1;
-            } else {
-              pred = (int)(((Q21 << 7) - num) / (Q21 << 8));
-              if (Al > 0 && pred >= (1 << Al))
-                pred = (1 << Al) - 1;
-              pred = -pred;
-            }
-            workspace[17] = (JCOEF)pred;
-          }
-          /* AC30 */
-          if ((Al = coef_bits[9]) != 0 && workspace[24] == 0) {
-            num = Q00 * (DC07 + 2 * DC08 + DC09 - DC17 - 2 * DC18 - DC19);
-            if (num >= 0) {
-              pred = (int)(((Q30 << 7) + num) / (Q30 << 8));
-              if (Al > 0 && pred >= (1 << Al))
-                pred = (1 << Al) - 1;
-            } else {
-              pred = (int)(((Q30 << 7) - num) / (Q30 << 8));
-              if (Al > 0 && pred >= (1 << Al))
-                pred = (1 << Al) - 1;
-              pred = -pred;
-            }
-            workspace[24] = (JCOEF)pred;
-          }
-          /* coef_bits[0] is non-negative.  Otherwise this function would not
-           * be called.
-           */
-          num = Q00 *
-                (-2 * DC01 - 6 * DC02 - 8 * DC03 - 6 * DC04 - 2 * DC05 -
-                 6 * DC06 + 6 * DC07 + 42 * DC08 + 6 * DC09 - 6 * DC10 -
-                 8 * DC11 + 42 * DC12 + 152 * DC13 + 42 * DC14 - 8 * DC15 -
-                 6 * DC16 + 6 * DC17 + 42 * DC18 + 6 * DC19 - 6 * DC20 -
-                 2 * DC21 - 6 * DC22 - 8 * DC23 - 6 * DC24 - 2 * DC25);
-          if (num >= 0) {
-            pred = (int)(((Q00 << 7) + num) / (Q00 << 8));
-          } else {
-            pred = (int)(((Q00 << 7) - num) / (Q00 << 8));
-            pred = -pred;
-          }
-          workspace[0] = (JCOEF)pred;
-        }  /* change_dc */
-
        /* OK, do the IDCT */
        (*inverse_DCT) (cinfo, compptr, (JCOEFPTR)workspace, output_ptr,
                        output_col);
        /* Advance for next column */
-        DC01 = DC02;  DC02 = DC03;  DC03 = DC04;  DC04 = DC05;
-        DC06 = DC07;  DC07 = DC08;  DC08 = DC09;  DC09 = DC10;
-        DC11 = DC12;  DC12 = DC13;  DC13 = DC14;  DC14 = DC15;
-        DC16 = DC17;  DC17 = DC18;  DC18 = DC19;  DC19 = DC20;
-        DC21 = DC22;  DC22 = DC23;  DC23 = DC24;  DC24 = DC25;
-        buffer_ptr++, prev_block_row++, next_block_row++,
-          prev_prev_block_row++, next_next_block_row++;
+        DC1 = DC2;  DC2 = DC3;
+        DC4 = DC5;  DC5 = DC6;
+        DC7 = DC8;  DC8 = DC9;
+        buffer_ptr++, prev_block_row++, next_block_row++;
        output_col += compptr->_DCT_scaled_size;
      }
      output_ptr += compptr->_DCT_scaled_size;
@@ -839,7 +653,7 @@ jinit_d_coef_controller(j_decompress_ptr cinfo, boolean need_full_buffer)
 #ifdef BLOCK_SMOOTHING_SUPPORTED
      /* If block smoothing could be used, need a bigger window */
      if (cinfo->progressive_mode)
-        access_rows *= 5;
+        access_rows *= 3;
 #endif
      coef->whole_image[ci] = (*cinfo->mem->request_virt_barray)
        ((j_common_ptr)cinfo, JPOOL_IMAGE, TRUE,
@@ -5,7 +5,6 @@
 * Copyright (C) 1994-1997, Thomas G. Lane.
 * libjpeg-turbo Modifications:
 * Copyright 2009 Pierre Ossman <ossman@cendio.se> for Cendio AB
- * Copyright (C) 2020, Google, Inc.
 * For conditions of distribution and use, see the accompanying README.ijg
 * file.
 */
@@ -52,7 +51,7 @@ typedef struct {
 #ifdef BLOCK_SMOOTHING_SUPPORTED
  /* When doing block smoothing, we latch coefficient Al values here */
  int *coef_bits_latch;
-#define SAVED_COEFS  10         /* we save coef_bits[0..9] */
+#define SAVED_COEFS  6          /* we save coef_bits[0..5] */
 #endif
 } my_coef_controller;

@@ -45,9 +45,9 @@ ycc_rgb565_convert_internal(j_decompress_ptr cinfo, JSAMPIMAGE input_buf,
    outptr = *output_buf++;

    if (PACK_NEED_ALIGNMENT(outptr)) {
-      y  = *inptr0++;
-      cb = *inptr1++;
-      cr = *inptr2++;
+      y  = GETJSAMPLE(*inptr0++);
+      cb = GETJSAMPLE(*inptr1++);
+      cr = GETJSAMPLE(*inptr2++);
      r = range_limit[y + Crrtab[cr]];
      g = range_limit[y + ((int)RIGHT_SHIFT(Cbgtab[cb] + Crgtab[cr],
                                            SCALEBITS))];
@@ -58,18 +58,18 @@ ycc_rgb565_convert_internal(j_decompress_ptr cinfo, JSAMPIMAGE input_buf,
      num_cols--;
    }
    for (col = 0; col < (num_cols >> 1); col++) {
-      y  = *inptr0++;
-      cb = *inptr1++;
-      cr = *inptr2++;
+      y  = GETJSAMPLE(*inptr0++);
+      cb = GETJSAMPLE(*inptr1++);
+      cr = GETJSAMPLE(*inptr2++);
      r = range_limit[y + Crrtab[cr]];
      g = range_limit[y + ((int)RIGHT_SHIFT(Cbgtab[cb] + Crgtab[cr],
                                            SCALEBITS))];
      b = range_limit[y + Cbbtab[cb]];
      rgb = PACK_SHORT_565(r, g, b);

-      y  = *inptr0++;
-      cb = *inptr1++;
-      cr = *inptr2++;
+      y  = GETJSAMPLE(*inptr0++);
+      cb = GETJSAMPLE(*inptr1++);
+      cr = GETJSAMPLE(*inptr2++);
      r = range_limit[y + Crrtab[cr]];
      g = range_limit[y + ((int)RIGHT_SHIFT(Cbgtab[cb] + Crgtab[cr],
                                            SCALEBITS))];
@@ -80,9 +80,9 @@ ycc_rgb565_convert_internal(j_decompress_ptr cinfo, JSAMPIMAGE input_buf,
      outptr += 4;
    }
    if (num_cols & 1) {
-      y  = *inptr0;
-      cb = *inptr1;
-      cr = *inptr2;
+      y  = GETJSAMPLE(*inptr0);
+      cb = GETJSAMPLE(*inptr1);
+      cr = GETJSAMPLE(*inptr2);
      r = range_limit[y + Crrtab[cr]];
      g = range_limit[y + ((int)RIGHT_SHIFT(Cbgtab[cb] + Crgtab[cr],
                                            SCALEBITS))];
@@ -125,9 +125,9 @@ ycc_rgb565D_convert_internal(j_decompress_ptr cinfo, JSAMPIMAGE input_buf,
    input_row++;
    outptr = *output_buf++;
    if (PACK_NEED_ALIGNMENT(outptr)) {
-      y  = *inptr0++;
-      cb = *inptr1++;
-      cr = *inptr2++;
+      y  = GETJSAMPLE(*inptr0++);
+      cb = GETJSAMPLE(*inptr1++);
+      cr = GETJSAMPLE(*inptr2++);
      r = range_limit[DITHER_565_R(y + Crrtab[cr], d0)];
      g = range_limit[DITHER_565_G(y +
                                   ((int)RIGHT_SHIFT(Cbgtab[cb] + Crgtab[cr],
@@ -139,9 +139,9 @@ ycc_rgb565D_convert_internal(j_decompress_ptr cinfo, JSAMPIMAGE input_buf,
      num_cols--;
    }
    for (col = 0; col < (num_cols >> 1); col++) {
-      y  = *inptr0++;
-      cb = *inptr1++;
-      cr = *inptr2++;
+      y  = GETJSAMPLE(*inptr0++);
+      cb = GETJSAMPLE(*inptr1++);
+      cr = GETJSAMPLE(*inptr2++);
      r = range_limit[DITHER_565_R(y + Crrtab[cr], d0)];
      g = range_limit[DITHER_565_G(y +
                                   ((int)RIGHT_SHIFT(Cbgtab[cb] + Crgtab[cr],
@@ -150,9 +150,9 @@ ycc_rgb565D_convert_internal(j_decompress_ptr cinfo, JSAMPIMAGE input_buf,
      d0 = DITHER_ROTATE(d0);
      rgb = PACK_SHORT_565(r, g, b);

-      y  = *inptr0++;
-      cb = *inptr1++;
-      cr = *inptr2++;
+      y  = GETJSAMPLE(*inptr0++);
+      cb = GETJSAMPLE(*inptr1++);
+      cr = GETJSAMPLE(*inptr2++);
      r = range_limit[DITHER_565_R(y + Crrtab[cr], d0)];
      g = range_limit[DITHER_565_G(y +
                                   ((int)RIGHT_SHIFT(Cbgtab[cb] + Crgtab[cr],
@@ -165,9 +165,9 @@ ycc_rgb565D_convert_internal(j_decompress_ptr cinfo, JSAMPIMAGE input_buf,
      outptr += 4;
    }
    if (num_cols & 1) {
-      y  = *inptr0;
-      cb = *inptr1;
-      cr = *inptr2;
+      y  = GETJSAMPLE(*inptr0);
+      cb = GETJSAMPLE(*inptr1);
+      cr = GETJSAMPLE(*inptr2);
      r = range_limit[DITHER_565_R(y + Crrtab[cr], d0)];
      g = range_limit[DITHER_565_G(y +
                                   ((int)RIGHT_SHIFT(Cbgtab[cb] + Crgtab[cr],
@@ -202,32 +202,32 @@ rgb_rgb565_convert_internal(j_decompress_ptr cinfo, JSAMPIMAGE input_buf,
    input_row++;
    outptr = *output_buf++;
    if (PACK_NEED_ALIGNMENT(outptr)) {
-      r = *inptr0++;
-      g = *inptr1++;
-      b = *inptr2++;
+      r = GETJSAMPLE(*inptr0++);
+      g = GETJSAMPLE(*inptr1++);
+      b = GETJSAMPLE(*inptr2++);
      rgb = PACK_SHORT_565(r, g, b);
      *(INT16 *)outptr = (INT16)rgb;
      outptr += 2;
      num_cols--;
    }
    for (col = 0; col < (num_cols >> 1); col++) {
-      r = *inptr0++;
-      g = *inptr1++;
-      b = *inptr2++;
+      r = GETJSAMPLE(*inptr0++);
+      g = GETJSAMPLE(*inptr1++);
+      b = GETJSAMPLE(*inptr2++);
      rgb = PACK_SHORT_565(r, g, b);

-      r = *inptr0++;
-      g = *inptr1++;
-      b = *inptr2++;
+      r = GETJSAMPLE(*inptr0++);
+      g = GETJSAMPLE(*inptr1++);
+      b = GETJSAMPLE(*inptr2++);
      rgb = PACK_TWO_PIXELS(rgb, PACK_SHORT_565(r, g, b));

      WRITE_TWO_ALIGNED_PIXELS(outptr, rgb);
      outptr += 4;
    }
    if (num_cols & 1) {
-      r = *inptr0;
-      g = *inptr1;
-      b = *inptr2;
+      r = GETJSAMPLE(*inptr0);
+      g = GETJSAMPLE(*inptr1);
+      b = GETJSAMPLE(*inptr2);
      rgb = PACK_SHORT_565(r, g, b);
      *(INT16 *)outptr = (INT16)rgb;
    }
@@ -259,24 +259,24 @@ rgb_rgb565D_convert_internal(j_decompress_ptr cinfo, JSAMPIMAGE input_buf,
    input_row++;
    outptr = *output_buf++;
    if (PACK_NEED_ALIGNMENT(outptr)) {
-      r = range_limit[DITHER_565_R(*inptr0++, d0)];
-      g = range_limit[DITHER_565_G(*inptr1++, d0)];
-      b = range_limit[DITHER_565_B(*inptr2++, d0)];
+      r = range_limit[DITHER_565_R(GETJSAMPLE(*inptr0++), d0)];
+      g = range_limit[DITHER_565_G(GETJSAMPLE(*inptr1++), d0)];
+      b = range_limit[DITHER_565_B(GETJSAMPLE(*inptr2++), d0)];
      rgb = PACK_SHORT_565(r, g, b);
      *(INT16 *)outptr = (INT16)rgb;
      outptr += 2;
      num_cols--;
    }
    for (col = 0; col < (num_cols >> 1); col++) {
-      r = range_limit[DITHER_565_R(*inptr0++, d0)];
-      g = range_limit[DITHER_565_G(*inptr1++, d0)];
-      b = range_limit[DITHER_565_B(*inptr2++, d0)];
+      r = range_limit[DITHER_565_R(GETJSAMPLE(*inptr0++), d0)];
+      g = range_limit[DITHER_565_G(GETJSAMPLE(*inptr1++), d0)];
+      b = range_limit[DITHER_565_B(GETJSAMPLE(*inptr2++), d0)];
      d0 = DITHER_ROTATE(d0);
      rgb = PACK_SHORT_565(r, g, b);

-      r = range_limit[DITHER_565_R(*inptr0++, d0)];
-      g = range_limit[DITHER_565_G(*inptr1++, d0)];
-      b = range_limit[DITHER_565_B(*inptr2++, d0)];
+      r = range_limit[DITHER_565_R(GETJSAMPLE(*inptr0++), d0)];
+      g = range_limit[DITHER_565_G(GETJSAMPLE(*inptr1++), d0)];
+      b = range_limit[DITHER_565_B(GETJSAMPLE(*inptr2++), d0)];
      d0 = DITHER_ROTATE(d0);
      rgb = PACK_TWO_PIXELS(rgb, PACK_SHORT_565(r, g, b));

@@ -284,9 +284,9 @@ rgb_rgb565D_convert_internal(j_decompress_ptr cinfo, JSAMPIMAGE input_buf,
      outptr += 4;
    }
    if (num_cols & 1) {
-      r = range_limit[DITHER_565_R(*inptr0, d0)];
-      g = range_limit[DITHER_565_G(*inptr1, d0)];
-      b = range_limit[DITHER_565_B(*inptr2, d0)];
+      r = range_limit[DITHER_565_R(GETJSAMPLE(*inptr0), d0)];
+      g = range_limit[DITHER_565_G(GETJSAMPLE(*inptr1), d0)];
+      b = range_limit[DITHER_565_B(GETJSAMPLE(*inptr2), d0)];
      rgb = PACK_SHORT_565(r, g, b);
      *(INT16 *)outptr = (INT16)rgb;
    }
@@ -53,9 +53,9 @@ ycc_rgb_convert_internal(j_decompress_ptr cinfo, JSAMPIMAGE input_buf,
    input_row++;
    outptr = *output_buf++;
    for (col = 0; col < num_cols; col++) {
-      y  = inptr0[col];
-      cb = inptr1[col];
-      cr = inptr2[col];
+      y  = GETJSAMPLE(inptr0[col]);
+      cb = GETJSAMPLE(inptr1[col]);
+      cr = GETJSAMPLE(inptr2[col]);
      /* Range-limiting is essential due to noise introduced by DCT losses. */
      outptr[RGB_RED] =   range_limit[y + Crrtab[cr]];
      outptr[RGB_GREEN] = range_limit[y +
@@ -93,6 +93,7 @@ gray_rgb_convert_internal(j_decompress_ptr cinfo, JSAMPIMAGE input_buf,
    inptr = input_buf[0][input_row++];
    outptr = *output_buf++;
    for (col = 0; col < num_cols; col++) {
+      /* We can dispense with GETJSAMPLE() here */
      outptr[RGB_RED] = outptr[RGB_GREEN] = outptr[RGB_BLUE] = inptr[col];
      /* Set unused byte to 0xFF so it can be interpreted as an opaque */
      /* alpha channel value */
@@ -127,6 +128,7 @@ rgb_rgb_convert_internal(j_decompress_ptr cinfo, JSAMPIMAGE input_buf,
    input_row++;
    outptr = *output_buf++;
    for (col = 0; col < num_cols; col++) {
+      /* We can dispense with GETJSAMPLE() here */
      outptr[RGB_RED] = inptr0[col];
      outptr[RGB_GREEN] = inptr1[col];
      outptr[RGB_BLUE] = inptr2[col];
@@ -341,9 +341,9 @@ rgb_gray_convert(j_decompress_ptr cinfo, JSAMPIMAGE input_buf,
    input_row++;
    outptr = *output_buf++;
    for (col = 0; col < num_cols; col++) {
-      r = inptr0[col];
-      g = inptr1[col];
-      b = inptr2[col];
+      r = GETJSAMPLE(inptr0[col]);
+      g = GETJSAMPLE(inptr1[col]);
+      b = GETJSAMPLE(inptr2[col]);
      /* Y */
      outptr[col] = (JSAMPLE)((ctab[r + R_Y_OFF] + ctab[g + G_Y_OFF] +
                               ctab[b + B_Y_OFF]) >> SCALEBITS);
@@ -550,9 +550,9 @@ ycck_cmyk_convert(j_decompress_ptr cinfo, JSAMPIMAGE input_buf,
    input_row++;
    outptr = *output_buf++;
    for (col = 0; col < num_cols; col++) {
-      y  = inptr0[col];
-      cb = inptr1[col];
-      cr = inptr2[col];
+      y  = GETJSAMPLE(inptr0[col]);
+      cb = GETJSAMPLE(inptr1[col]);
+      cr = GETJSAMPLE(inptr2[col]);
      /* Range-limiting is essential due to noise introduced by DCT losses. */
      outptr[0] = range_limit[MAXJSAMPLE - (y + Crrtab[cr])];   /* red */
      outptr[1] = range_limit[MAXJSAMPLE - (y +                 /* green */
@@ -560,7 +560,7 @@ ycck_cmyk_convert(j_decompress_ptr cinfo, JSAMPIMAGE input_buf,
                                                 SCALEBITS)))];
      outptr[2] = range_limit[MAXJSAMPLE - (y + Cbbtab[cb])];   /* blue */
      /* K passes through unchanged */
-      outptr[3] = inptr3[col];
+      outptr[3] = inptr3[col];  /* don't need GETJSAMPLE here */
      outptr += 4;
    }
  }
@@ -571,10 +571,11 @@ ycck_cmyk_convert(j_decompress_ptr cinfo, JSAMPIMAGE input_buf,
 * RGB565 conversion
 */

-#define PACK_SHORT_565_LE(r, g, b) \
-  ((((r) << 8) & 0xF800) | (((g) << 3) & 0x7E0) | ((b) >> 3))
-#define PACK_SHORT_565_BE(r, g, b) \
-  (((r) & 0xF8) | ((g) >> 5) | (((g) << 11) & 0xE000) | (((b) << 5) & 0x1F00))
+#define PACK_SHORT_565_LE(r, g, b)  ((((r) << 8) & 0xF800) | \
+                                     (((g) << 3) & 0x7E0) | ((b) >> 3))
+#define PACK_SHORT_565_BE(r, g, b)  (((r) & 0xF8) | ((g) >> 5) | \
+                                     (((g) << 11) & 0xE000) | \
+                                     (((b) << 5) & 0x1F00))

 #define PACK_TWO_PIXELS_LE(l, r)    ((r << 16) | l)
 #define PACK_TWO_PIXELS_BE(l, r)    ((l << 16) | r)
@@ -5,7 +5,6 @@
 * Copyright (C) 1991-1997, Thomas G. Lane.
 * libjpeg-turbo Modifications:
 * Copyright (C) 2009-2011, 2016, 2018-2019, D. R. Commander.
- * Copyright (C) 2018, Matthias Räncker.
 * For conditions of distribution and use, see the accompanying README.ijg
 * file.
 *
@@ -40,6 +39,24 @@ typedef struct {
  int last_dc_val[MAX_COMPS_IN_SCAN]; /* last DC coef for each component */
 } savable_state;

+/* This macro is to work around compilers with missing or broken
+ * structure assignment.  You'll need to fix this code if you have
+ * such a compiler and you change MAX_COMPS_IN_SCAN.
+ */
+
+#ifndef NO_STRUCT_ASSIGN
+#define ASSIGN_STATE(dest, src)  ((dest) = (src))
+#else
+#if MAX_COMPS_IN_SCAN == 4
+#define ASSIGN_STATE(dest, src) \
+  ((dest).last_dc_val[0] = (src).last_dc_val[0], \
+   (dest).last_dc_val[1] = (src).last_dc_val[1], \
+   (dest).last_dc_val[2] = (src).last_dc_val[2], \
+   (dest).last_dc_val[3] = (src).last_dc_val[3])
+#endif
+#endif
+
+
 typedef struct {
  struct jpeg_entropy_decoder pub; /* public fields */

@@ -308,7 +325,7 @@ jpeg_fill_bit_buffer(bitread_working_state *state,
        bytes_in_buffer = cinfo->src->bytes_in_buffer;
      }
      bytes_in_buffer--;
-      c = *next_input_byte++;
+      c = GETJOCTET(*next_input_byte++);

      /* If it's 0xFF, check and discard stuffed zero byte */
      if (c == 0xFF) {
@@ -325,7 +342,7 @@ jpeg_fill_bit_buffer(bitread_working_state *state,
            bytes_in_buffer = cinfo->src->bytes_in_buffer;
          }
          bytes_in_buffer--;
-          c = *next_input_byte++;
+          c = GETJOCTET(*next_input_byte++);
        } while (c == 0xFF);

        if (c == 0) {
@@ -388,8 +405,8 @@ no_more_bytes:

 #define GET_BYTE { \
  register int c0, c1; \
-  c0 = *buffer++; \
-  c1 = *buffer; \
+  c0 = GETJOCTET(*buffer++); \
+  c1 = GETJOCTET(*buffer); \
  /* Pre-execute most common case */ \
  get_buffer = (get_buffer << 8) | c0; \
  bits_left += 8; \
@@ -406,7 +423,7 @@ no_more_bytes:
  } \
 }

-#if SIZEOF_SIZE_T == 8 || defined(_WIN64) || (defined(__x86_64__) && defined(__ILP32__))
+#if SIZEOF_SIZE_T == 8 || defined(_WIN64)

 /* Pre-fetch 48 bytes, because the holding register is 64-bit */
 #define FILL_BIT_BUFFER_FAST \
@@ -540,12 +557,6 @@ process_restart(j_decompress_ptr cinfo)
 }


-#if defined(__has_feature)
-#if __has_feature(undefined_behavior_sanitizer)
-__attribute__((no_sanitize("signed-integer-overflow"),
-               no_sanitize("unsigned-integer-overflow")))
-#endif
-#endif
 LOCAL(boolean)
 decode_mcu_slow(j_decompress_ptr cinfo, JBLOCKROW *MCU_data)
 {
@@ -557,7 +568,7 @@ decode_mcu_slow(j_decompress_ptr cinfo, JBLOCKROW *MCU_data)

  /* Load up working state */
  BITREAD_LOAD_STATE(cinfo, entropy->bitstate);
-  state = entropy->saved;
+  ASSIGN_STATE(state, entropy->saved);

  for (blkn = 0; blkn < cinfo->blocks_in_MCU; blkn++) {
    JBLOCKROW block = MCU_data ? MCU_data[blkn] : NULL;
@@ -578,15 +589,11 @@ decode_mcu_slow(j_decompress_ptr cinfo, JBLOCKROW *MCU_data)
    if (entropy->dc_needed[blkn]) {
      /* Convert DC difference to actual value, update last_dc_val */
      int ci = cinfo->MCU_membership[blkn];
-      /* Certain malformed JPEG images produce repeated DC coefficient
-       * differences of 2047 or -2047, which causes state.last_dc_val[ci] to
-       * grow until it overflows or underflows a 32-bit signed integer.  This
-       * behavior is, to the best of our understanding, innocuous, and it is
-       * unclear how to work around it without potentially affecting
-       * performance.  Thus, we (hopefully temporarily) suppress UBSan integer
-       * overflow errors for this function and decode_mcu_fast().
+      /* This is really just
+       *   s += state.last_dc_val[ci];
+       * It is written this way in order to shut up UBSan.
       */
-      s += state.last_dc_val[ci];
+      s = (int)((unsigned int)s + (unsigned int)state.last_dc_val[ci]);
      state.last_dc_val[ci] = s;
      if (block) {
        /* Output the DC coefficient (assumes jpeg_natural_order[0] = 0) */
@@ -646,17 +653,11 @@ decode_mcu_slow(j_decompress_ptr cinfo, JBLOCKROW *MCU_data)

  /* Completed MCU, so update state */
  BITREAD_SAVE_STATE(cinfo, entropy->bitstate);
-  entropy->saved = state;
+  ASSIGN_STATE(entropy->saved, state);
  return TRUE;
 }


-#if defined(__has_feature)
-#if __has_feature(undefined_behavior_sanitizer)
-__attribute__((no_sanitize("signed-integer-overflow"),
-               no_sanitize("unsigned-integer-overflow")))
-#endif
-#endif
 LOCAL(boolean)
 decode_mcu_fast(j_decompress_ptr cinfo, JBLOCKROW *MCU_data)
 {
@@ -670,7 +671,7 @@ decode_mcu_fast(j_decompress_ptr cinfo, JBLOCKROW *MCU_data)
  /* Load up working state */
  BITREAD_LOAD_STATE(cinfo, entropy->bitstate);
  buffer = (JOCTET *)br_state.next_input_byte;
-  state = entropy->saved;
+  ASSIGN_STATE(state, entropy->saved);

  for (blkn = 0; blkn < cinfo->blocks_in_MCU; blkn++) {
    JBLOCKROW block = MCU_data ? MCU_data[blkn] : NULL;
@@ -687,10 +688,7 @@ decode_mcu_fast(j_decompress_ptr cinfo, JBLOCKROW *MCU_data)

    if (entropy->dc_needed[blkn]) {
      int ci = cinfo->MCU_membership[blkn];
-      /* Refer to the comment in decode_mcu_slow() regarding the supression of
-       * a UBSan integer overflow error in this line of code.
-       */
-      s += state.last_dc_val[ci];
+      s = (int)((unsigned int)s + (unsigned int)state.last_dc_val[ci]);
      state.last_dc_val[ci] = s;
      if (block)
        (*block)[0] = (JCOEF)s;
@@ -742,7 +740,7 @@ decode_mcu_fast(j_decompress_ptr cinfo, JBLOCKROW *MCU_data)
  br_state.bytes_in_buffer -= (buffer - br_state.next_input_byte);
  br_state.next_input_byte = buffer;
  BITREAD_SAVE_STATE(cinfo, entropy->bitstate);
-  entropy->saved = state;
+  ASSIGN_STATE(entropy->saved, state);
  return TRUE;
 }

@@ -797,8 +795,7 @@ use_slow:
  }

  /* Account for restart interval (no-op if not using restarts) */
-  if (cinfo->restart_interval)
-    entropy->restarts_to_go--;
+  entropy->restarts_to_go--;

  return TRUE;
 }
@@ -4,8 +4,7 @@
 * This file was part of the Independent JPEG Group's software:
 * Copyright (C) 1991-1997, Thomas G. Lane.
 * libjpeg-turbo Modifications:
- * Copyright (C) 2010-2011, 2015-2016, 2021, D. R. Commander.
- * Copyright (C) 2018, Matthias Räncker.
+ * Copyright (C) 2010-2011, 2015-2016, D. R. Commander.
 * For conditions of distribution and use, see the accompanying README.ijg
 * file.
 *
@@ -79,11 +78,6 @@ EXTERN(void) jpeg_make_d_derived_tbl(j_decompress_ptr cinfo, boolean isDC,
 typedef size_t bit_buf_type;            /* type of bit-extraction buffer */
 #define BIT_BUF_SIZE  64                /* size of buffer in bits */

-#elif defined(__x86_64__) && defined(__ILP32__)
-
-typedef unsigned long long bit_buf_type; /* type of bit-extraction buffer */
-#define BIT_BUF_SIZE  64                 /* size of buffer in bits */
-
 #else

 typedef unsigned long bit_buf_type;     /* type of bit-extraction buffer */
@@ -234,10 +228,7 @@ slowlabel: \
      s |= GET_BITS(1); \
      nb++; \
    } \
-    if (nb > 16) \
-      s = 0; \
-    else \
-      s = htbl->pub->huffval[(int)(s + htbl->valoffset[nb]) & 0xFF]; \
+    s = htbl->pub->huffval[(int)(s + htbl->valoffset[nb]) & 0xFF]; \
  }

 /* Out-of-line case for Huffman code fetching */
@@ -38,18 +38,18 @@ marker_is_icc(jpeg_saved_marker_ptr marker)
    marker->marker == ICC_MARKER &&
    marker->data_length >= ICC_OVERHEAD_LEN &&
    /* verify the identifying string */
-    marker->data[0] == 0x49 &&
-    marker->data[1] == 0x43 &&
-    marker->data[2] == 0x43 &&
-    marker->data[3] == 0x5F &&
-    marker->data[4] == 0x50 &&
-    marker->data[5] == 0x52 &&
-    marker->data[6] == 0x4F &&
-    marker->data[7] == 0x46 &&
-    marker->data[8] == 0x49 &&
-    marker->data[9] == 0x4C &&
-    marker->data[10] == 0x45 &&
-    marker->data[11] == 0x0;
+    GETJOCTET(marker->data[0]) == 0x49 &&
+    GETJOCTET(marker->data[1]) == 0x43 &&
+    GETJOCTET(marker->data[2]) == 0x43 &&
+    GETJOCTET(marker->data[3]) == 0x5F &&
+    GETJOCTET(marker->data[4]) == 0x50 &&
+    GETJOCTET(marker->data[5]) == 0x52 &&
+    GETJOCTET(marker->data[6]) == 0x4F &&
+    GETJOCTET(marker->data[7]) == 0x46 &&
+    GETJOCTET(marker->data[8]) == 0x49 &&
+    GETJOCTET(marker->data[9]) == 0x4C &&
+    GETJOCTET(marker->data[10]) == 0x45 &&
+    GETJOCTET(marker->data[11]) == 0x0;
 }


@@ -102,12 +102,12 @@ jpeg_read_icc_profile(j_decompress_ptr cinfo, JOCTET **icc_data_ptr,
  for (marker = cinfo->marker_list; marker != NULL; marker = marker->next) {
    if (marker_is_icc(marker)) {
      if (num_markers == 0)
-        num_markers = marker->data[13];
-      else if (num_markers != marker->data[13]) {
+        num_markers = GETJOCTET(marker->data[13]);
+      else if (num_markers != GETJOCTET(marker->data[13])) {
        WARNMS(cinfo, JWRN_BOGUS_ICC);  /* inconsistent num_markers fields */
        return FALSE;
      }
-      seq_no = marker->data[12];
+      seq_no = GETJOCTET(marker->data[12]);
      if (seq_no <= 0 || seq_no > num_markers) {
        WARNMS(cinfo, JWRN_BOGUS_ICC);  /* bogus sequence number */
        return FALSE;
@@ -154,7 +154,7 @@ jpeg_read_icc_profile(j_decompress_ptr cinfo, JOCTET **icc_data_ptr,
      JOCTET FAR *src_ptr;
      JOCTET *dst_ptr;
      unsigned int length;
-      seq_no = marker->data[12];
+      seq_no = GETJOCTET(marker->data[12]);
      dst_ptr = icc_data + data_offset[seq_no];
      src_ptr = marker->data + ICC_OVERHEAD_LEN;
      length = data_length[seq_no];
@@ -18,7 +18,6 @@

 #include "jinclude.h"
 #include "jdmainct.h"
-#include "jconfigint.h"


 /*
@@ -361,7 +360,7 @@ process_data_context_main(j_decompress_ptr cinfo, JSAMPARRAY output_buf,
    main_ptr->context_state = CTX_PREPARE_FOR_IMCU;
    if (*out_row_ctr >= out_rows_avail)
      return;                   /* Postprocessor exactly filled output buf */
-    FALLTHROUGH                 /*FALLTHROUGH*/
+    /*FALLTHROUGH*/
  case CTX_PREPARE_FOR_IMCU:
    /* Prepare to process first M-1 row groups of this iMCU row */
    main_ptr->rowgroup_ctr = 0;
@@ -372,7 +371,7 @@ process_data_context_main(j_decompress_ptr cinfo, JSAMPARRAY output_buf,
    if (main_ptr->iMCU_row_ctr == cinfo->total_iMCU_rows)
      set_bottom_pointers(cinfo);
    main_ptr->context_state = CTX_PROCESS_IMCU;
-    FALLTHROUGH                 /*FALLTHROUGH*/
+    /*FALLTHROUGH*/
  case CTX_PROCESS_IMCU:
    /* Call postprocessor using previously set pointers */
    (*cinfo->post->post_process_data) (cinfo,
@@ -151,7 +151,7 @@ typedef my_marker_reader *my_marker_ptr;
 #define INPUT_BYTE(cinfo, V, action) \
  MAKESTMT( MAKE_BYTE_AVAIL(cinfo, action); \
            bytes_in_buffer--; \
-            V = *next_input_byte++; )
+            V = GETJOCTET(*next_input_byte++); )

 /* As above, but read two bytes interpreted as an unsigned 16-bit integer.
 * V should be declared unsigned int or perhaps JLONG.
@@ -159,10 +159,10 @@ typedef my_marker_reader *my_marker_ptr;
 #define INPUT_2BYTES(cinfo, V, action) \
  MAKESTMT( MAKE_BYTE_AVAIL(cinfo, action); \
            bytes_in_buffer--; \
-            V = ((unsigned int)(*next_input_byte++)) << 8; \
+            V = ((unsigned int)GETJOCTET(*next_input_byte++)) << 8; \
            MAKE_BYTE_AVAIL(cinfo, action); \
            bytes_in_buffer--; \
-            V += *next_input_byte++; )
+            V += GETJOCTET(*next_input_byte++); )


 /*
@@ -608,18 +608,18 @@ examine_app0(j_decompress_ptr cinfo, JOCTET *data, unsigned int datalen,
  JLONG totallen = (JLONG)datalen + remaining;

  if (datalen >= APP0_DATA_LEN &&
-      data[0] == 0x4A &&
-      data[1] == 0x46 &&
-      data[2] == 0x49 &&
-      data[3] == 0x46 &&
-      data[4] == 0) {
+      GETJOCTET(data[0]) == 0x4A &&
+      GETJOCTET(data[1]) == 0x46 &&
+      GETJOCTET(data[2]) == 0x49 &&
+      GETJOCTET(data[3]) == 0x46 &&
+      GETJOCTET(data[4]) == 0) {
    /* Found JFIF APP0 marker: save info */
    cinfo->saw_JFIF_marker = TRUE;
-    cinfo->JFIF_major_version = data[5];
-    cinfo->JFIF_minor_version = data[6];
-    cinfo->density_unit = data[7];
-    cinfo->X_density = (data[8] << 8) + data[9];
-    cinfo->Y_density = (data[10] << 8) + data[11];
+    cinfo->JFIF_major_version = GETJOCTET(data[5]);
+    cinfo->JFIF_minor_version = GETJOCTET(data[6]);
+    cinfo->density_unit = GETJOCTET(data[7]);
+    cinfo->X_density = (GETJOCTET(data[8]) << 8) + GETJOCTET(data[9]);
+    cinfo->Y_density = (GETJOCTET(data[10]) << 8) + GETJOCTET(data[11]);
    /* Check version.
     * Major version must be 1, anything else signals an incompatible change.
     * (We used to treat this as an error, but now it's a nonfatal warning,
@@ -634,22 +634,24 @@ examine_app0(j_decompress_ptr cinfo, JOCTET *data, unsigned int datalen,
             cinfo->JFIF_major_version, cinfo->JFIF_minor_version,
             cinfo->X_density, cinfo->Y_density, cinfo->density_unit);
    /* Validate thumbnail dimensions and issue appropriate messages */
-    if (data[12] | data[13])
-      TRACEMS2(cinfo, 1, JTRC_JFIF_THUMBNAIL, data[12], data[13]);
+    if (GETJOCTET(data[12]) | GETJOCTET(data[13]))
+      TRACEMS2(cinfo, 1, JTRC_JFIF_THUMBNAIL,
+               GETJOCTET(data[12]), GETJOCTET(data[13]));
    totallen -= APP0_DATA_LEN;
-    if (totallen != ((JLONG)data[12] * (JLONG)data[13] * (JLONG)3))
+    if (totallen !=
+        ((JLONG)GETJOCTET(data[12]) * (JLONG)GETJOCTET(data[13]) * (JLONG)3))
      TRACEMS1(cinfo, 1, JTRC_JFIF_BADTHUMBNAILSIZE, (int)totallen);
  } else if (datalen >= 6 &&
-             data[0] == 0x4A &&
-             data[1] == 0x46 &&
-             data[2] == 0x58 &&
-             data[3] == 0x58 &&
-             data[4] == 0) {
+             GETJOCTET(data[0]) == 0x4A &&
+             GETJOCTET(data[1]) == 0x46 &&
+             GETJOCTET(data[2]) == 0x58 &&
+             GETJOCTET(data[3]) == 0x58 &&
+             GETJOCTET(data[4]) == 0) {
    /* Found JFIF "JFXX" extension APP0 marker */
    /* The library doesn't actually do anything with these,
     * but we try to produce a helpful trace message.
     */
-    switch (data[5]) {
+    switch (GETJOCTET(data[5])) {
    case 0x10:
      TRACEMS1(cinfo, 1, JTRC_THUMB_JPEG, (int)totallen);
      break;
@@ -660,7 +662,8 @@ examine_app0(j_decompress_ptr cinfo, JOCTET *data, unsigned int datalen,
      TRACEMS1(cinfo, 1, JTRC_THUMB_RGB, (int)totallen);
      break;
    default:
-      TRACEMS2(cinfo, 1, JTRC_JFIF_EXTENSION, data[5], (int)totallen);
+      TRACEMS2(cinfo, 1, JTRC_JFIF_EXTENSION,
+               GETJOCTET(data[5]), (int)totallen);
      break;
    }
  } else {
@@ -681,16 +684,16 @@ examine_app14(j_decompress_ptr cinfo, JOCTET *data, unsigned int datalen,
  unsigned int version, flags0, flags1, transform;

  if (datalen >= APP14_DATA_LEN &&
-      data[0] == 0x41 &&
-      data[1] == 0x64 &&
-      data[2] == 0x6F &&
-      data[3] == 0x62 &&
-      data[4] == 0x65) {
+      GETJOCTET(data[0]) == 0x41 &&
+      GETJOCTET(data[1]) == 0x64 &&
+      GETJOCTET(data[2]) == 0x6F &&
+      GETJOCTET(data[3]) == 0x62 &&
+      GETJOCTET(data[4]) == 0x65) {
    /* Found Adobe APP14 marker */
-    version = (data[5] << 8) + data[6];
-    flags0 = (data[7] << 8) + data[8];
-    flags1 = (data[9] << 8) + data[10];
-    transform = data[11];
+    version = (GETJOCTET(data[5]) << 8) + GETJOCTET(data[6]);
+    flags0 = (GETJOCTET(data[7]) << 8) + GETJOCTET(data[8]);
+    flags1 = (GETJOCTET(data[9]) << 8) + GETJOCTET(data[10]);
+    transform = GETJOCTET(data[11]);
    TRACEMS4(cinfo, 1, JTRC_ADOBE, version, flags0, flags1, transform);
    cinfo->saw_Adobe_marker = TRUE;
    cinfo->Adobe_transform = (UINT8)transform;
@@ -5,7 +5,7 @@
 * Copyright (C) 1991-1997, Thomas G. Lane.
 * Modified 2002-2009 by Guido Vollbeding.
 * libjpeg-turbo Modifications:
- * Copyright (C) 2009-2011, 2016, 2019, D. R. Commander.
+ * Copyright (C) 2009-2011, 2016, D. R. Commander.
 * Copyright (C) 2013, Linaro Limited.
 * Copyright (C) 2015, Google, Inc.
 * For conditions of distribution and use, see the accompanying README.ijg
@@ -22,6 +22,7 @@
 #include "jpeglib.h"
 #include "jpegcomp.h"
 #include "jdmaster.h"
+#include "jsimd.h"


 /*
@@ -69,6 +70,17 @@ use_merged_upsample(j_decompress_ptr cinfo)
      cinfo->comp_info[1]._DCT_scaled_size != cinfo->_min_DCT_scaled_size ||
      cinfo->comp_info[2]._DCT_scaled_size != cinfo->_min_DCT_scaled_size)
    return FALSE;
+#ifdef WITH_SIMD
+  /* If YCbCr-to-RGB color conversion is SIMD-accelerated but merged upsampling
+     isn't, then disabling merged upsampling is likely to be faster when
+     decompressing YCbCr JPEG images. */
+  if (!jsimd_can_h2v2_merged_upsample() && !jsimd_can_h2v1_merged_upsample() &&
+      jsimd_can_ycc_rgb() && cinfo->jpeg_color_space == JCS_YCbCr &&
+      (cinfo->out_color_space == JCS_RGB ||
+       (cinfo->out_color_space >= JCS_EXT_RGB &&
+        cinfo->out_color_space <= JCS_EXT_ARGB)))
+    return FALSE;
+#endif
  /* ??? also need to test for upsample-time rescaling, when & if supported */
  return TRUE;                  /* by golly, it'll work... */
 #else
@@ -568,7 +580,6 @@ master_selection(j_decompress_ptr cinfo)
   */
  cinfo->master->first_iMCU_col = 0;
  cinfo->master->last_iMCU_col = cinfo->MCUs_per_row - 1;
-  cinfo->master->last_good_iMCU_row = 0;

 #ifdef D_MULTISCAN_FILES_SUPPORTED
  /* If jpeg_start_decompress will read the whole file, initialize
@@ -5,7 +5,7 @@
 * Copyright (C) 1994-1996, Thomas G. Lane.
 * libjpeg-turbo Modifications:
 * Copyright 2009 Pierre Ossman <ossman@cendio.se> for Cendio AB
- * Copyright (C) 2009, 2011, 2014-2015, 2020, D. R. Commander.
+ * Copyright (C) 2009, 2011, 2014-2015, D. R. Commander.
 * Copyright (C) 2013, Linaro Limited.
 * For conditions of distribution and use, see the accompanying README.ijg
 * file.
@@ -40,13 +40,41 @@
 #define JPEG_INTERNALS
 #include "jinclude.h"
 #include "jpeglib.h"
-#include "jdmerge.h"
 #include "jsimd.h"
 #include "jconfigint.h"

 #ifdef UPSAMPLE_MERGING_SUPPORTED


+/* Private subobject */
+
+typedef struct {
+  struct jpeg_upsampler pub;    /* public fields */
+
+  /* Pointer to routine to do actual upsampling/conversion of one row group */
+  void (*upmethod) (j_decompress_ptr cinfo, JSAMPIMAGE input_buf,
+                    JDIMENSION in_row_group_ctr, JSAMPARRAY output_buf);
+
+  /* Private state for YCC->RGB conversion */
+  int *Cr_r_tab;                /* => table for Cr to R conversion */
+  int *Cb_b_tab;                /* => table for Cb to B conversion */
+  JLONG *Cr_g_tab;              /* => table for Cr to G conversion */
+  JLONG *Cb_g_tab;              /* => table for Cb to G conversion */
+
+  /* For 2:1 vertical sampling, we produce two output rows at a time.
+   * We need a "spare" row buffer to hold the second output row if the
+   * application provides just a one-row buffer; we also use the spare
+   * to discard the dummy last row if the image height is odd.
+   */
+  JSAMPROW spare_row;
+  boolean spare_full;           /* T if spare buffer is occupied */
+
+  JDIMENSION out_row_width;     /* samples per output row */
+  JDIMENSION rows_to_go;        /* counts rows remaining in image */
+} my_upsampler;
+
+typedef my_upsampler *my_upsample_ptr;
+
 #define SCALEBITS       16      /* speediest right-shift on some machines */
 #define ONE_HALF        ((JLONG)1 << (SCALEBITS - 1))
 #define FIX(x)          ((JLONG)((x) * (1L << SCALEBITS) + 0.5))
@@ -161,7 +189,7 @@
 LOCAL(void)
 build_ycc_rgb_table(j_decompress_ptr cinfo)
 {
-  my_merged_upsample_ptr upsample = (my_merged_upsample_ptr)cinfo->upsample;
+  my_upsample_ptr upsample = (my_upsample_ptr)cinfo->upsample;
  int i;
  JLONG x;
  SHIFT_TEMPS
@@ -204,7 +232,7 @@ build_ycc_rgb_table(j_decompress_ptr cinfo)
 METHODDEF(void)
 start_pass_merged_upsample(j_decompress_ptr cinfo)
 {
-  my_merged_upsample_ptr upsample = (my_merged_upsample_ptr)cinfo->upsample;
+  my_upsample_ptr upsample = (my_upsample_ptr)cinfo->upsample;

  /* Mark the spare buffer empty */
  upsample->spare_full = FALSE;
@@ -226,7 +254,7 @@ merged_2v_upsample(j_decompress_ptr cinfo, JSAMPIMAGE input_buf,
                   JDIMENSION *out_row_ctr, JDIMENSION out_rows_avail)
 /* 2:1 vertical sampling case: may need a spare row. */
 {
-  my_merged_upsample_ptr upsample = (my_merged_upsample_ptr)cinfo->upsample;
+  my_upsample_ptr upsample = (my_upsample_ptr)cinfo->upsample;
  JSAMPROW work_ptrs[2];
  JDIMENSION num_rows;          /* number of rows returned to caller */

@@ -277,7 +305,7 @@ merged_1v_upsample(j_decompress_ptr cinfo, JSAMPIMAGE input_buf,
                   JDIMENSION *out_row_ctr, JDIMENSION out_rows_avail)
 /* 1:1 vertical sampling case: much easier, never need a spare row. */
 {
-  my_merged_upsample_ptr upsample = (my_merged_upsample_ptr)cinfo->upsample;
+  my_upsample_ptr upsample = (my_upsample_ptr)cinfo->upsample;

  /* Just do the upsampling. */
  (*upsample->upmethod) (cinfo, input_buf, *in_row_group_ctr,
@@ -392,10 +420,11 @@ h2v2_merged_upsample(j_decompress_ptr cinfo, JSAMPIMAGE input_buf,
 * RGB565 conversion
 */

-#define PACK_SHORT_565_LE(r, g, b) \
-  ((((r) << 8) & 0xF800) | (((g) << 3) & 0x7E0) | ((b) >> 3))
-#define PACK_SHORT_565_BE(r, g, b) \
-  (((r) & 0xF8) | ((g) >> 5) | (((g) << 11) & 0xE000) | (((b) << 5) & 0x1F00))
+#define PACK_SHORT_565_LE(r, g, b)  ((((r) << 8) & 0xF800) | \
+                                     (((g) << 3) & 0x7E0) | ((b) >> 3))
+#define PACK_SHORT_565_BE(r, g, b)  (((r) & 0xF8) | ((g) >> 5) | \
+                                     (((g) << 11) & 0xE000) | \
+                                     (((b) << 5) & 0x1F00))

 #define PACK_TWO_PIXELS_LE(l, r)    ((r << 16) | l)
 #define PACK_TWO_PIXELS_BE(l, r)    ((l << 16) | r)
@@ -537,11 +566,11 @@ h2v2_merged_upsample_565D(j_decompress_ptr cinfo, JSAMPIMAGE input_buf,
 GLOBAL(void)
 jinit_merged_upsampler(j_decompress_ptr cinfo)
 {
-  my_merged_upsample_ptr upsample;
+  my_upsample_ptr upsample;

-  upsample = (my_merged_upsample_ptr)
+  upsample = (my_upsample_ptr)
    (*cinfo->mem->alloc_small) ((j_common_ptr)cinfo, JPOOL_IMAGE,
-                                sizeof(my_merged_upsampler));
+                                sizeof(my_upsampler));
  cinfo->upsample = (struct jpeg_upsampler *)upsample;
  upsample->pub.start_pass = start_pass_merged_upsample;
  upsample->pub.need_context_rows = FALSE;
@@ -1,47 +0,0 @@
-/*
- * jdmerge.h
- *
- * This file was part of the Independent JPEG Group's software:
- * Copyright (C) 1994-1996, Thomas G. Lane.
- * libjpeg-turbo Modifications:
- * Copyright (C) 2020, D. R. Commander.
- * For conditions of distribution and use, see the accompanying README.ijg
- * file.
- */
-
-#define JPEG_INTERNALS
-#include "jpeglib.h"
-
-#ifdef UPSAMPLE_MERGING_SUPPORTED
-
-
-/* Private subobject */
-
-typedef struct {
-  struct jpeg_upsampler pub;    /* public fields */
-
-  /* Pointer to routine to do actual upsampling/conversion of one row group */
-  void (*upmethod) (j_decompress_ptr cinfo, JSAMPIMAGE input_buf,
-                    JDIMENSION in_row_group_ctr, JSAMPARRAY output_buf);
-
-  /* Private state for YCC->RGB conversion */
-  int *Cr_r_tab;                /* => table for Cr to R conversion */
-  int *Cb_b_tab;                /* => table for Cb to B conversion */
-  JLONG *Cr_g_tab;              /* => table for Cr to G conversion */
-  JLONG *Cb_g_tab;              /* => table for Cb to G conversion */
-
-  /* For 2:1 vertical sampling, we produce two output rows at a time.
-   * We need a "spare" row buffer to hold the second output row if the
-   * application provides just a one-row buffer; we also use the spare
-   * to discard the dummy last row if the image height is odd.
-   */
-  JSAMPROW spare_row;
-  boolean spare_full;           /* T if spare buffer is occupied */
-
-  JDIMENSION out_row_width;     /* samples per output row */
-  JDIMENSION rows_to_go;        /* counts rows remaining in image */
-} my_merged_upsampler;
-
-typedef my_merged_upsampler *my_merged_upsample_ptr;
-
-#endif /* UPSAMPLE_MERGING_SUPPORTED */
@@ -5,7 +5,7 @@
 * Copyright (C) 1994-1996, Thomas G. Lane.
 * libjpeg-turbo Modifications:
 * Copyright (C) 2013, Linaro Limited.
- * Copyright (C) 2014-2015, 2018, 2020, D. R. Commander.
+ * Copyright (C) 2014-2015, 2018, D. R. Commander.
 * For conditions of distribution and use, see the accompanying README.ijg
 * file.
 *
@@ -19,7 +19,7 @@ h2v1_merged_upsample_565_internal(j_decompress_ptr cinfo, JSAMPIMAGE input_buf,
                                  JDIMENSION in_row_group_ctr,
                                  JSAMPARRAY output_buf)
 {
-  my_merged_upsample_ptr upsample = (my_merged_upsample_ptr)cinfo->upsample;
+  my_upsample_ptr upsample = (my_upsample_ptr)cinfo->upsample;
  register int y, cred, cgreen, cblue;
  int cb, cr;
  register JSAMPROW outptr;
@@ -43,20 +43,20 @@ h2v1_merged_upsample_565_internal(j_decompress_ptr cinfo, JSAMPIMAGE input_buf,
  /* Loop for each pair of output pixels */
  for (col = cinfo->output_width >> 1; col > 0; col--) {
    /* Do the chroma part of the calculation */
-    cb = *inptr1++;
-    cr = *inptr2++;
+    cb = GETJSAMPLE(*inptr1++);
+    cr = GETJSAMPLE(*inptr2++);
    cred = Crrtab[cr];
    cgreen = (int)RIGHT_SHIFT(Cbgtab[cb] + Crgtab[cr], SCALEBITS);
    cblue = Cbbtab[cb];

    /* Fetch 2 Y values and emit 2 pixels */
-    y  = *inptr0++;
+    y  = GETJSAMPLE(*inptr0++);
    r = range_limit[y + cred];
    g = range_limit[y + cgreen];
    b = range_limit[y + cblue];
    rgb = PACK_SHORT_565(r, g, b);

-    y  = *inptr0++;
+    y  = GETJSAMPLE(*inptr0++);
    r = range_limit[y + cred];
    g = range_limit[y + cgreen];
    b = range_limit[y + cblue];
@@ -68,12 +68,12 @@ h2v1_merged_upsample_565_internal(j_decompress_ptr cinfo, JSAMPIMAGE input_buf,

  /* If image width is odd, do the last output column separately */
  if (cinfo->output_width & 1) {
-    cb = *inptr1;
-    cr = *inptr2;
+    cb = GETJSAMPLE(*inptr1);
+    cr = GETJSAMPLE(*inptr2);
    cred = Crrtab[cr];
    cgreen = (int)RIGHT_SHIFT(Cbgtab[cb] + Crgtab[cr], SCALEBITS);
    cblue = Cbbtab[cb];
-    y  = *inptr0;
+    y  = GETJSAMPLE(*inptr0);
    r = range_limit[y + cred];
    g = range_limit[y + cgreen];
    b = range_limit[y + cblue];
@@ -90,7 +90,7 @@ h2v1_merged_upsample_565D_internal(j_decompress_ptr cinfo,
                                   JDIMENSION in_row_group_ctr,
                                   JSAMPARRAY output_buf)
 {
-  my_merged_upsample_ptr upsample = (my_merged_upsample_ptr)cinfo->upsample;
+  my_upsample_ptr upsample = (my_upsample_ptr)cinfo->upsample;
  register int y, cred, cgreen, cblue;
  int cb, cr;
  register JSAMPROW outptr;
@@ -115,21 +115,21 @@ h2v1_merged_upsample_565D_internal(j_decompress_ptr cinfo,
  /* Loop for each pair of output pixels */
  for (col = cinfo->output_width >> 1; col > 0; col--) {
    /* Do the chroma part of the calculation */
-    cb = *inptr1++;
-    cr = *inptr2++;
+    cb = GETJSAMPLE(*inptr1++);
+    cr = GETJSAMPLE(*inptr2++);
    cred = Crrtab[cr];
    cgreen = (int)RIGHT_SHIFT(Cbgtab[cb] + Crgtab[cr], SCALEBITS);
    cblue = Cbbtab[cb];

    /* Fetch 2 Y values and emit 2 pixels */
-    y  = *inptr0++;
+    y  = GETJSAMPLE(*inptr0++);
    r = range_limit[DITHER_565_R(y + cred, d0)];
    g = range_limit[DITHER_565_G(y + cgreen, d0)];
    b = range_limit[DITHER_565_B(y + cblue, d0)];
    d0 = DITHER_ROTATE(d0);
    rgb = PACK_SHORT_565(r, g, b);

-    y  = *inptr0++;
+    y  = GETJSAMPLE(*inptr0++);
    r = range_limit[DITHER_565_R(y + cred, d0)];
    g = range_limit[DITHER_565_G(y + cgreen, d0)];
    b = range_limit[DITHER_565_B(y + cblue, d0)];
@@ -142,12 +142,12 @@ h2v1_merged_upsample_565D_internal(j_decompress_ptr cinfo,

  /* If image width is odd, do the last output column separately */
  if (cinfo->output_width & 1) {
-    cb = *inptr1;
-    cr = *inptr2;
+    cb = GETJSAMPLE(*inptr1);
+    cr = GETJSAMPLE(*inptr2);
    cred = Crrtab[cr];
    cgreen = (int)RIGHT_SHIFT(Cbgtab[cb] + Crgtab[cr], SCALEBITS);
    cblue = Cbbtab[cb];
-    y  = *inptr0;
+    y  = GETJSAMPLE(*inptr0);
    r = range_limit[DITHER_565_R(y + cred, d0)];
    g = range_limit[DITHER_565_G(y + cgreen, d0)];
    b = range_limit[DITHER_565_B(y + cblue, d0)];
@@ -163,7 +163,7 @@ h2v2_merged_upsample_565_internal(j_decompress_ptr cinfo, JSAMPIMAGE input_buf,
                                  JDIMENSION in_row_group_ctr,
                                  JSAMPARRAY output_buf)
 {
-  my_merged_upsample_ptr upsample = (my_merged_upsample_ptr)cinfo->upsample;
+  my_upsample_ptr upsample = (my_upsample_ptr)cinfo->upsample;
  register int y, cred, cgreen, cblue;
  int cb, cr;
  register JSAMPROW outptr0, outptr1;
@@ -189,20 +189,20 @@ h2v2_merged_upsample_565_internal(j_decompress_ptr cinfo, JSAMPIMAGE input_buf,
  /* Loop for each group of output pixels */
  for (col = cinfo->output_width >> 1; col > 0; col--) {
    /* Do the chroma part of the calculation */
-    cb = *inptr1++;
-    cr = *inptr2++;
+    cb = GETJSAMPLE(*inptr1++);
+    cr = GETJSAMPLE(*inptr2++);
    cred = Crrtab[cr];
    cgreen = (int)RIGHT_SHIFT(Cbgtab[cb] + Crgtab[cr], SCALEBITS);
    cblue = Cbbtab[cb];

    /* Fetch 4 Y values and emit 4 pixels */
-    y  = *inptr00++;
+    y  = GETJSAMPLE(*inptr00++);
    r = range_limit[y + cred];
    g = range_limit[y + cgreen];
    b = range_limit[y + cblue];
    rgb = PACK_SHORT_565(r, g, b);

-    y  = *inptr00++;
+    y  = GETJSAMPLE(*inptr00++);
    r = range_limit[y + cred];
    g = range_limit[y + cgreen];
    b = range_limit[y + cblue];
@@ -211,13 +211,13 @@ h2v2_merged_upsample_565_internal(j_decompress_ptr cinfo, JSAMPIMAGE input_buf,
    WRITE_TWO_PIXELS(outptr0, rgb);
    outptr0 += 4;

-    y  = *inptr01++;
+    y  = GETJSAMPLE(*inptr01++);
    r = range_limit[y + cred];
    g = range_limit[y + cgreen];
    b = range_limit[y + cblue];
    rgb = PACK_SHORT_565(r, g, b);

-    y  = *inptr01++;
+    y  = GETJSAMPLE(*inptr01++);
    r = range_limit[y + cred];
    g = range_limit[y + cgreen];
    b = range_limit[y + cblue];
@@ -229,20 +229,20 @@ h2v2_merged_upsample_565_internal(j_decompress_ptr cinfo, JSAMPIMAGE input_buf,

  /* If image width is odd, do the last output column separately */
  if (cinfo->output_width & 1) {
-    cb = *inptr1;
-    cr = *inptr2;
+    cb = GETJSAMPLE(*inptr1);
+    cr = GETJSAMPLE(*inptr2);
    cred = Crrtab[cr];
    cgreen = (int)RIGHT_SHIFT(Cbgtab[cb] + Crgtab[cr], SCALEBITS);
    cblue = Cbbtab[cb];

-    y  = *inptr00;
+    y  = GETJSAMPLE(*inptr00);
    r = range_limit[y + cred];
    g = range_limit[y + cgreen];
    b = range_limit[y + cblue];
    rgb = PACK_SHORT_565(r, g, b);
    *(INT16 *)outptr0 = (INT16)rgb;

-    y  = *inptr01;
+    y  = GETJSAMPLE(*inptr01);
    r = range_limit[y + cred];
    g = range_limit[y + cgreen];
    b = range_limit[y + cblue];
@@ -259,7 +259,7 @@ h2v2_merged_upsample_565D_internal(j_decompress_ptr cinfo,
                                   JDIMENSION in_row_group_ctr,
                                   JSAMPARRAY output_buf)
 {
-  my_merged_upsample_ptr upsample = (my_merged_upsample_ptr)cinfo->upsample;
+  my_upsample_ptr upsample = (my_upsample_ptr)cinfo->upsample;
  register int y, cred, cgreen, cblue;
  int cb, cr;
  register JSAMPROW outptr0, outptr1;
@@ -287,21 +287,21 @@ h2v2_merged_upsample_565D_internal(j_decompress_ptr cinfo,
  /* Loop for each group of output pixels */
  for (col = cinfo->output_width >> 1; col > 0; col--) {
    /* Do the chroma part of the calculation */
-    cb = *inptr1++;
-    cr = *inptr2++;
+    cb = GETJSAMPLE(*inptr1++);
+    cr = GETJSAMPLE(*inptr2++);
    cred = Crrtab[cr];
    cgreen = (int)RIGHT_SHIFT(Cbgtab[cb] + Crgtab[cr], SCALEBITS);
    cblue = Cbbtab[cb];

    /* Fetch 4 Y values and emit 4 pixels */
-    y  = *inptr00++;
+    y  = GETJSAMPLE(*inptr00++);
    r = range_limit[DITHER_565_R(y + cred, d0)];
    g = range_limit[DITHER_565_G(y + cgreen, d0)];
    b = range_limit[DITHER_565_B(y + cblue, d0)];
    d0 = DITHER_ROTATE(d0);
    rgb = PACK_SHORT_565(r, g, b);

-    y  = *inptr00++;
+    y  = GETJSAMPLE(*inptr00++);
    r = range_limit[DITHER_565_R(y + cred, d0)];
    g = range_limit[DITHER_565_G(y + cgreen, d0)];
    b = range_limit[DITHER_565_B(y + cblue, d0)];
@@ -311,14 +311,14 @@ h2v2_merged_upsample_565D_internal(j_decompress_ptr cinfo,
    WRITE_TWO_PIXELS(outptr0, rgb);
    outptr0 += 4;

-    y  = *inptr01++;
+    y  = GETJSAMPLE(*inptr01++);
    r = range_limit[DITHER_565_R(y + cred, d1)];
    g = range_limit[DITHER_565_G(y + cgreen, d1)];
    b = range_limit[DITHER_565_B(y + cblue, d1)];
    d1 = DITHER_ROTATE(d1);
    rgb = PACK_SHORT_565(r, g, b);

-    y  = *inptr01++;
+    y  = GETJSAMPLE(*inptr01++);
    r = range_limit[DITHER_565_R(y + cred, d1)];
    g = range_limit[DITHER_565_G(y + cgreen, d1)];
    b = range_limit[DITHER_565_B(y + cblue, d1)];
@@ -331,20 +331,20 @@ h2v2_merged_upsample_565D_internal(j_decompress_ptr cinfo,

  /* If image width is odd, do the last output column separately */
  if (cinfo->output_width & 1) {
-    cb = *inptr1;
-    cr = *inptr2;
+    cb = GETJSAMPLE(*inptr1);
+    cr = GETJSAMPLE(*inptr2);
    cred = Crrtab[cr];
    cgreen = (int)RIGHT_SHIFT(Cbgtab[cb] + Crgtab[cr], SCALEBITS);
    cblue = Cbbtab[cb];

-    y  = *inptr00;
+    y  = GETJSAMPLE(*inptr00);
    r = range_limit[DITHER_565_R(y + cred, d0)];
    g = range_limit[DITHER_565_G(y + cgreen, d0)];
    b = range_limit[DITHER_565_B(y + cblue, d0)];
    rgb = PACK_SHORT_565(r, g, b);
    *(INT16 *)outptr0 = (INT16)rgb;

-    y  = *inptr01;
+    y  = GETJSAMPLE(*inptr01);
    r = range_limit[DITHER_565_R(y + cred, d1)];
    g = range_limit[DITHER_565_G(y + cgreen, d1)];
    b = range_limit[DITHER_565_B(y + cblue, d1)];
@@ -4,7 +4,7 @@
 * This file was part of the Independent JPEG Group's software:
 * Copyright (C) 1994-1996, Thomas G. Lane.
 * libjpeg-turbo Modifications:
- * Copyright (C) 2011, 2015, 2020, D. R. Commander.
+ * Copyright (C) 2011, 2015, D. R. Commander.
 * For conditions of distribution and use, see the accompanying README.ijg
 * file.
 *
@@ -25,7 +25,7 @@ h2v1_merged_upsample_internal(j_decompress_ptr cinfo, JSAMPIMAGE input_buf,
                              JDIMENSION in_row_group_ctr,
                              JSAMPARRAY output_buf)
 {
-  my_merged_upsample_ptr upsample = (my_merged_upsample_ptr)cinfo->upsample;
+  my_upsample_ptr upsample = (my_upsample_ptr)cinfo->upsample;
  register int y, cred, cgreen, cblue;
  int cb, cr;
  register JSAMPROW outptr;
@@ -46,13 +46,13 @@ h2v1_merged_upsample_internal(j_decompress_ptr cinfo, JSAMPIMAGE input_buf,
  /* Loop for each pair of output pixels */
  for (col = cinfo->output_width >> 1; col > 0; col--) {
    /* Do the chroma part of the calculation */
-    cb = *inptr1++;
-    cr = *inptr2++;
+    cb = GETJSAMPLE(*inptr1++);
+    cr = GETJSAMPLE(*inptr2++);
    cred = Crrtab[cr];
    cgreen = (int)RIGHT_SHIFT(Cbgtab[cb] + Crgtab[cr], SCALEBITS);
    cblue = Cbbtab[cb];
    /* Fetch 2 Y values and emit 2 pixels */
-    y  = *inptr0++;
+    y  = GETJSAMPLE(*inptr0++);
    outptr[RGB_RED] =   range_limit[y + cred];
    outptr[RGB_GREEN] = range_limit[y + cgreen];
    outptr[RGB_BLUE] =  range_limit[y + cblue];
@@ -60,7 +60,7 @@ h2v1_merged_upsample_internal(j_decompress_ptr cinfo, JSAMPIMAGE input_buf,
    outptr[RGB_ALPHA] = 0xFF;
 #endif
    outptr += RGB_PIXELSIZE;
-    y  = *inptr0++;
+    y  = GETJSAMPLE(*inptr0++);
    outptr[RGB_RED] =   range_limit[y + cred];
    outptr[RGB_GREEN] = range_limit[y + cgreen];
    outptr[RGB_BLUE] =  range_limit[y + cblue];
@@ -71,12 +71,12 @@ h2v1_merged_upsample_internal(j_decompress_ptr cinfo, JSAMPIMAGE input_buf,
  }
  /* If image width is odd, do the last output column separately */
  if (cinfo->output_width & 1) {
-    cb = *inptr1;
-    cr = *inptr2;
+    cb = GETJSAMPLE(*inptr1);
+    cr = GETJSAMPLE(*inptr2);
    cred = Crrtab[cr];
    cgreen = (int)RIGHT_SHIFT(Cbgtab[cb] + Crgtab[cr], SCALEBITS);
    cblue = Cbbtab[cb];
-    y  = *inptr0;
+    y  = GETJSAMPLE(*inptr0);
    outptr[RGB_RED] =   range_limit[y + cred];
    outptr[RGB_GREEN] = range_limit[y + cgreen];
    outptr[RGB_BLUE] =  range_limit[y + cblue];
@@ -97,7 +97,7 @@ h2v2_merged_upsample_internal(j_decompress_ptr cinfo, JSAMPIMAGE input_buf,
                              JDIMENSION in_row_group_ctr,
                              JSAMPARRAY output_buf)
 {
-  my_merged_upsample_ptr upsample = (my_merged_upsample_ptr)cinfo->upsample;
+  my_upsample_ptr upsample = (my_upsample_ptr)cinfo->upsample;
  register int y, cred, cgreen, cblue;
  int cb, cr;
  register JSAMPROW outptr0, outptr1;
@@ -120,13 +120,13 @@ h2v2_merged_upsample_internal(j_decompress_ptr cinfo, JSAMPIMAGE input_buf,
  /* Loop for each group of output pixels */
  for (col = cinfo->output_width >> 1; col > 0; col--) {
    /* Do the chroma part of the calculation */
-    cb = *inptr1++;
-    cr = *inptr2++;
+    cb = GETJSAMPLE(*inptr1++);
+    cr = GETJSAMPLE(*inptr2++);
    cred = Crrtab[cr];
    cgreen = (int)RIGHT_SHIFT(Cbgtab[cb] + Crgtab[cr], SCALEBITS);
    cblue = Cbbtab[cb];
    /* Fetch 4 Y values and emit 4 pixels */
-    y  = *inptr00++;
+    y  = GETJSAMPLE(*inptr00++);
    outptr0[RGB_RED] =   range_limit[y + cred];
    outptr0[RGB_GREEN] = range_limit[y + cgreen];
    outptr0[RGB_BLUE] =  range_limit[y + cblue];
@@ -134,7 +134,7 @@ h2v2_merged_upsample_internal(j_decompress_ptr cinfo, JSAMPIMAGE input_buf,
    outptr0[RGB_ALPHA] = 0xFF;
 #endif
    outptr0 += RGB_PIXELSIZE;
-    y  = *inptr00++;
+    y  = GETJSAMPLE(*inptr00++);
    outptr0[RGB_RED] =   range_limit[y + cred];
    outptr0[RGB_GREEN] = range_limit[y + cgreen];
    outptr0[RGB_BLUE] =  range_limit[y + cblue];
@@ -142,7 +142,7 @@ h2v2_merged_upsample_internal(j_decompress_ptr cinfo, JSAMPIMAGE input_buf,
    outptr0[RGB_ALPHA] = 0xFF;
 #endif
    outptr0 += RGB_PIXELSIZE;
-    y  = *inptr01++;
+    y  = GETJSAMPLE(*inptr01++);
    outptr1[RGB_RED] =   range_limit[y + cred];
    outptr1[RGB_GREEN] = range_limit[y + cgreen];
    outptr1[RGB_BLUE] =  range_limit[y + cblue];
@@ -150,7 +150,7 @@ h2v2_merged_upsample_internal(j_decompress_ptr cinfo, JSAMPIMAGE input_buf,
    outptr1[RGB_ALPHA] = 0xFF;
 #endif
    outptr1 += RGB_PIXELSIZE;
-    y  = *inptr01++;
+    y  = GETJSAMPLE(*inptr01++);
    outptr1[RGB_RED] =   range_limit[y + cred];
    outptr1[RGB_GREEN] = range_limit[y + cgreen];
    outptr1[RGB_BLUE] =  range_limit[y + cblue];
@@ -161,19 +161,19 @@ h2v2_merged_upsample_internal(j_decompress_ptr cinfo, JSAMPIMAGE input_buf,
  }
  /* If image width is odd, do the last output column separately */
  if (cinfo->output_width & 1) {
-    cb = *inptr1;
-    cr = *inptr2;
+    cb = GETJSAMPLE(*inptr1);
+    cr = GETJSAMPLE(*inptr2);
    cred = Crrtab[cr];
    cgreen = (int)RIGHT_SHIFT(Cbgtab[cb] + Crgtab[cr], SCALEBITS);
    cblue = Cbbtab[cb];
-    y  = *inptr00;
+    y  = GETJSAMPLE(*inptr00);
    outptr0[RGB_RED] =   range_limit[y + cred];
    outptr0[RGB_GREEN] = range_limit[y + cgreen];
    outptr0[RGB_BLUE] =  range_limit[y + cblue];
 #ifdef RGB_ALPHA
    outptr0[RGB_ALPHA] = 0xFF;
 #endif
-    y  = *inptr01;
+    y  = GETJSAMPLE(*inptr01);
    outptr1[RGB_RED] =   range_limit[y + cred];
    outptr1[RGB_GREEN] = range_limit[y + cgreen];
    outptr1[RGB_BLUE] =  range_limit[y + cblue];
@@ -4,7 +4,7 @@
 * This file was part of the Independent JPEG Group's software:
 * Copyright (C) 1995-1997, Thomas G. Lane.
 * libjpeg-turbo Modifications:
- * Copyright (C) 2015-2016, 2018-2021, D. R. Commander.
+ * Copyright (C) 2015-2016, 2018, D. R. Commander.
 * For conditions of distribution and use, see the accompanying README.ijg
 * file.
 *
@@ -41,6 +41,25 @@ typedef struct {
  int last_dc_val[MAX_COMPS_IN_SCAN];   /* last DC coef for each component */
 } savable_state;

+/* This macro is to work around compilers with missing or broken
+ * structure assignment.  You'll need to fix this code if you have
+ * such a compiler and you change MAX_COMPS_IN_SCAN.
+ */
+
+#ifndef NO_STRUCT_ASSIGN
+#define ASSIGN_STATE(dest, src)  ((dest) = (src))
+#else
+#if MAX_COMPS_IN_SCAN == 4
+#define ASSIGN_STATE(dest, src) \
+  ((dest).EOBRUN = (src).EOBRUN, \
+   (dest).last_dc_val[0] = (src).last_dc_val[0], \
+   (dest).last_dc_val[1] = (src).last_dc_val[1], \
+   (dest).last_dc_val[2] = (src).last_dc_val[2], \
+   (dest).last_dc_val[3] = (src).last_dc_val[3])
+#endif
+#endif
+
+
 typedef struct {
  struct jpeg_entropy_decoder pub; /* public fields */

@@ -83,7 +102,7 @@ start_pass_phuff_decoder(j_decompress_ptr cinfo)
  boolean is_DC_band, bad;
  int ci, coefi, tbl;
  d_derived_tbl **pdtbl;
-  int *coef_bit_ptr, *prev_coef_bit_ptr;
+  int *coef_bit_ptr;
  jpeg_component_info *compptr;

  is_DC_band = (cinfo->Ss == 0);
@@ -124,15 +143,8 @@ start_pass_phuff_decoder(j_decompress_ptr cinfo)
  for (ci = 0; ci < cinfo->comps_in_scan; ci++) {
    int cindex = cinfo->cur_comp_info[ci]->component_index;
    coef_bit_ptr = &cinfo->coef_bits[cindex][0];
-    prev_coef_bit_ptr = &cinfo->coef_bits[cindex + cinfo->num_components][0];
    if (!is_DC_band && coef_bit_ptr[0] < 0) /* AC without prior DC scan */
      WARNMS2(cinfo, JWRN_BOGUS_PROGRESSION, cindex, 0);
-    for (coefi = MIN(cinfo->Ss, 1); coefi <= MAX(cinfo->Se, 9); coefi++) {
-      if (cinfo->input_scan_number > 1)
-        prev_coef_bit_ptr[coefi] = coef_bit_ptr[coefi];
-      else
-        prev_coef_bit_ptr[coefi] = 0;
-    }
    for (coefi = cinfo->Ss; coefi <= cinfo->Se; coefi++) {
      int expected = (coef_bit_ptr[coefi] < 0) ? 0 : coef_bit_ptr[coefi];
      if (cinfo->Ah != expected)
@@ -311,7 +323,7 @@ decode_mcu_DC_first(j_decompress_ptr cinfo, JBLOCKROW *MCU_data)

    /* Load up working state */
    BITREAD_LOAD_STATE(cinfo, entropy->bitstate);
-    state = entropy->saved;
+    ASSIGN_STATE(state, entropy->saved);

    /* Outer loop handles each block in the MCU */

@@ -344,12 +356,11 @@ decode_mcu_DC_first(j_decompress_ptr cinfo, JBLOCKROW *MCU_data)

    /* Completed MCU, so update state */
    BITREAD_SAVE_STATE(cinfo, entropy->bitstate);
-    entropy->saved = state;
+    ASSIGN_STATE(entropy->saved, state);
  }

  /* Account for restart interval (no-op if not using restarts) */
-  if (cinfo->restart_interval)
-    entropy->restarts_to_go--;
+  entropy->restarts_to_go--;

  return TRUE;
 }
@@ -433,8 +444,7 @@ decode_mcu_AC_first(j_decompress_ptr cinfo, JBLOCKROW *MCU_data)
  }

  /* Account for restart interval (no-op if not using restarts) */
-  if (cinfo->restart_interval)
-    entropy->restarts_to_go--;
+  entropy->restarts_to_go--;

  return TRUE;
 }
@@ -485,8 +495,7 @@ decode_mcu_DC_refine(j_decompress_ptr cinfo, JBLOCKROW *MCU_data)
  BITREAD_SAVE_STATE(cinfo, entropy->bitstate);

  /* Account for restart interval (no-op if not using restarts) */
-  if (cinfo->restart_interval)
-    entropy->restarts_to_go--;
+  entropy->restarts_to_go--;

  return TRUE;
 }
@@ -629,8 +638,7 @@ decode_mcu_AC_refine(j_decompress_ptr cinfo, JBLOCKROW *MCU_data)
  }

  /* Account for restart interval (no-op if not using restarts) */
-  if (cinfo->restart_interval)
-    entropy->restarts_to_go--;
+  entropy->restarts_to_go--;

  return TRUE;

@@ -668,7 +676,7 @@ jinit_phuff_decoder(j_decompress_ptr cinfo)
  /* Create progression status table */
  cinfo->coef_bits = (int (*)[DCTSIZE2])
    (*cinfo->mem->alloc_small) ((j_common_ptr)cinfo, JPOOL_IMAGE,
-                                cinfo->num_components * 2 * DCTSIZE2 *
+                                cinfo->num_components * DCTSIZE2 *
                                sizeof(int));
  coef_bit_ptr = &cinfo->coef_bits[0][0];
  for (ci = 0; ci < cinfo->num_components; ci++)
@@ -8,7 +8,7 @@
 * Copyright (C) 2010, 2015-2016, D. R. Commander.
 * Copyright (C) 2014, MIPS Technologies, Inc., California.
 * Copyright (C) 2015, Google, Inc.
- * Copyright (C) 2019-2020, Arm Limited.
+ * Copyright (C) 2019, Arm Limited.
 * For conditions of distribution and use, see the accompanying README.ijg
 * file.
 *
@@ -177,7 +177,7 @@ int_upsample(j_decompress_ptr cinfo, jpeg_component_info *compptr,
    outptr = output_data[outrow];
    outend = outptr + cinfo->output_width;
    while (outptr < outend) {
-      invalue = *inptr++;
+      invalue = *inptr++;       /* don't need GETJSAMPLE() here */
      for (h = h_expand; h > 0; h--) {
        *outptr++ = invalue;
      }
@@ -213,7 +213,7 @@ h2v1_upsample(j_decompress_ptr cinfo, jpeg_component_info *compptr,
    outptr = output_data[inrow];
    outend = outptr + cinfo->output_width;
    while (outptr < outend) {
-      invalue = *inptr++;
+      invalue = *inptr++;       /* don't need GETJSAMPLE() here */
      *outptr++ = invalue;
      *outptr++ = invalue;
    }
@@ -242,7 +242,7 @@ h2v2_upsample(j_decompress_ptr cinfo, jpeg_component_info *compptr,
    outptr = output_data[outrow];
    outend = outptr + cinfo->output_width;
    while (outptr < outend) {
-      invalue = *inptr++;
+      invalue = *inptr++;       /* don't need GETJSAMPLE() here */
      *outptr++ = invalue;
      *outptr++ = invalue;
    }
@@ -283,20 +283,20 @@ h2v1_fancy_upsample(j_decompress_ptr cinfo, jpeg_component_info *compptr,
    inptr = input_data[inrow];
    outptr = output_data[inrow];
    /* Special case for first column */
-    invalue = *inptr++;
+    invalue = GETJSAMPLE(*inptr++);
    *outptr++ = (JSAMPLE)invalue;
-    *outptr++ = (JSAMPLE)((invalue * 3 + inptr[0] + 2) >> 2);
+    *outptr++ = (JSAMPLE)((invalue * 3 + GETJSAMPLE(*inptr) + 2) >> 2);

    for (colctr = compptr->downsampled_width - 2; colctr > 0; colctr--) {
      /* General case: 3/4 * nearer pixel + 1/4 * further pixel */
-      invalue = (*inptr++) * 3;
-      *outptr++ = (JSAMPLE)((invalue + inptr[-2] + 1) >> 2);
-      *outptr++ = (JSAMPLE)((invalue + inptr[0] + 2) >> 2);
+      invalue = GETJSAMPLE(*inptr++) * 3;
+      *outptr++ = (JSAMPLE)((invalue + GETJSAMPLE(inptr[-2]) + 1) >> 2);
+      *outptr++ = (JSAMPLE)((invalue + GETJSAMPLE(*inptr) + 2) >> 2);
    }

    /* Special case for last column */
-    invalue = *inptr;
-    *outptr++ = (JSAMPLE)((invalue * 3 + inptr[-1] + 1) >> 2);
+    invalue = GETJSAMPLE(*inptr);
+    *outptr++ = (JSAMPLE)((invalue * 3 + GETJSAMPLE(inptr[-1]) + 1) >> 2);
    *outptr++ = (JSAMPLE)invalue;
  }
 }
@@ -338,7 +338,7 @@ h1v2_fancy_upsample(j_decompress_ptr cinfo, jpeg_component_info *compptr,
      outptr = output_data[outrow++];

      for (colctr = 0; colctr < compptr->downsampled_width; colctr++) {
-        thiscolsum = (*inptr0++) * 3 + (*inptr1++);
+        thiscolsum = GETJSAMPLE(*inptr0++) * 3 + GETJSAMPLE(*inptr1++);
        *outptr++ = (JSAMPLE)((thiscolsum + bias) >> 2);
      }
    }
@@ -381,8 +381,8 @@ h2v2_fancy_upsample(j_decompress_ptr cinfo, jpeg_component_info *compptr,
      outptr = output_data[outrow++];

      /* Special case for first column */
-      thiscolsum = (*inptr0++) * 3 + (*inptr1++);
-      nextcolsum = (*inptr0++) * 3 + (*inptr1++);
+      thiscolsum = GETJSAMPLE(*inptr0++) * 3 + GETJSAMPLE(*inptr1++);
+      nextcolsum = GETJSAMPLE(*inptr0++) * 3 + GETJSAMPLE(*inptr1++);
      *outptr++ = (JSAMPLE)((thiscolsum * 4 + 8) >> 4);
      *outptr++ = (JSAMPLE)((thiscolsum * 3 + nextcolsum + 7) >> 4);
      lastcolsum = thiscolsum;  thiscolsum = nextcolsum;
@@ -390,7 +390,7 @@ h2v2_fancy_upsample(j_decompress_ptr cinfo, jpeg_component_info *compptr,
      for (colctr = compptr->downsampled_width - 2; colctr > 0; colctr--) {
        /* General case: 3/4 * nearer pixel + 1/4 * further pixel in each */
        /* dimension, thus 9/16, 3/16, 3/16, 1/16 overall */
-        nextcolsum = (*inptr0++) * 3 + (*inptr1++);
+        nextcolsum = GETJSAMPLE(*inptr0++) * 3 + GETJSAMPLE(*inptr1++);
        *outptr++ = (JSAMPLE)((thiscolsum * 3 + lastcolsum + 8) >> 4);
        *outptr++ = (JSAMPLE)((thiscolsum * 3 + nextcolsum + 7) >> 4);
        lastcolsum = thiscolsum;  thiscolsum = nextcolsum;
@@ -477,13 +477,7 @@ jinit_upsampler(j_decompress_ptr cinfo)
    } else if (h_in_group == h_out_group &&
               v_in_group * 2 == v_out_group && do_fancy) {
      /* Non-fancy upsampling is handled by the generic method */
-#if defined(__arm__) || defined(__aarch64__) || \
-    defined(_M_ARM) || defined(_M_ARM64)
-      if (jsimd_can_h1v2_fancy_upsample())
-        upsample->methods[ci] = jsimd_h1v2_fancy_upsample;
-      else
-#endif
-        upsample->methods[ci] = h1v2_fancy_upsample;
+      upsample->methods[ci] = h1v2_fancy_upsample;
      upsample->pub.need_context_rows = TRUE;
    } else if (h_in_group * 2 == h_out_group &&
               v_in_group * 2 == v_out_group) {
@@ -3,8 +3,8 @@
 *
 * This file was part of the Independent JPEG Group's software:
 * Copyright (C) 1995-1997, Thomas G. Lane.
- * libjpeg-turbo Modifications:
- * Copyright (C) 2020, D. R. Commander.
+ * It was modified by The libjpeg-turbo Project to include only code relevant
+ * to libjpeg-turbo.
 * For conditions of distribution and use, see the accompanying README.ijg
 * file.
 *
@@ -16,7 +16,6 @@
 #define JPEG_INTERNALS
 #include "jinclude.h"
 #include "jpeglib.h"
-#include "jpegcomp.h"


 /* Forward declarations */
@@ -207,10 +207,6 @@ JMESSAGE(JWRN_ARITH_BAD_CODE, "Corrupt JPEG data: bad arithmetic code")
 #endif
 #endif
 JMESSAGE(JWRN_BOGUS_ICC, "Corrupt JPEG data: bad ICC marker")
-#if JPEG_LIB_VERSION < 70
-JMESSAGE(JERR_BAD_DROP_SAMPLING,
-         "Component index %d: mismatching sampling ratio %d:%d, %d:%d, %c")
-#endif

 #ifdef JMAKE_ENUM_LIST

@@ -256,15 +252,6 @@ JMESSAGE(JERR_BAD_DROP_SAMPLING,
   (cinfo)->err->msg_parm.i[2] = (p3), \
   (cinfo)->err->msg_parm.i[3] = (p4), \
   (*(cinfo)->err->error_exit) ((j_common_ptr)(cinfo)))
-#define ERREXIT6(cinfo, code, p1, p2, p3, p4, p5, p6) \
-  ((cinfo)->err->msg_code = (code), \
-   (cinfo)->err->msg_parm.i[0] = (p1), \
-   (cinfo)->err->msg_parm.i[1] = (p2), \
-   (cinfo)->err->msg_parm.i[2] = (p3), \
-   (cinfo)->err->msg_parm.i[3] = (p4), \
-   (cinfo)->err->msg_parm.i[4] = (p5), \
-   (cinfo)->err->msg_parm.i[5] = (p6), \
-   (*(cinfo)->err->error_exit) ((j_common_ptr)(cinfo)))
 #define ERREXITS(cinfo, code, str) \
  ((cinfo)->err->msg_code = (code), \
   strncpy((cinfo)->err->msg_parm.s, (str), JMSG_STR_PARM_MAX), \
@@ -4,11 +4,11 @@
 * This file was part of the Independent JPEG Group's software:
 * Copyright (C) 1991-1996, Thomas G. Lane.
 * libjpeg-turbo Modifications:
- * Copyright (C) 2015, 2020, D. R. Commander.
+ * Copyright (C) 2015, D. R. Commander.
 * For conditions of distribution and use, see the accompanying README.ijg
 * file.
 *
- * This file contains a slower but more accurate integer implementation of the
+ * This file contains a slow-but-accurate integer implementation of the
 * forward DCT (Discrete Cosine Transform).
 *
 * A 2-D DCT can be done by 1-D DCT on each row followed by 1-D DCT
@@ -3,13 +3,13 @@
 *
 * This file was part of the Independent JPEG Group's software:
 * Copyright (C) 1991-1998, Thomas G. Lane.
- * Modification developed 2002-2018 by Guido Vollbeding.
+ * Modification developed 2002-2009 by Guido Vollbeding.
 * libjpeg-turbo Modifications:
- * Copyright (C) 2015, 2020, D. R. Commander.
+ * Copyright (C) 2015, D. R. Commander.
 * For conditions of distribution and use, see the accompanying README.ijg
 * file.
 *
- * This file contains a slower but more accurate integer implementation of the
+ * This file contains a slow-but-accurate integer implementation of the
 * inverse DCT (Discrete Cosine Transform).  In the IJG code, this routine
 * must also perform dequantization of the input coefficients.
 *
@@ -417,7 +417,7 @@ jpeg_idct_islow(j_decompress_ptr cinfo, jpeg_component_info *compptr,

 /*
 * Perform dequantization and inverse DCT on one block of coefficients,
- * producing a reduced-size 7x7 output block.
+ * producing a 7x7 output block.
 *
 * Optimized algorithm with 12 multiplications in the 1-D kernel.
 * cK represents sqrt(2) * cos(K*pi/14).
@@ -1258,7 +1258,7 @@ jpeg_idct_10x10(j_decompress_ptr cinfo, jpeg_component_info *compptr,

 /*
 * Perform dequantization and inverse DCT on one block of coefficients,
- * producing an 11x11 output block.
+ * producing a 11x11 output block.
 *
 * Optimized algorithm with 24 multiplications in the 1-D kernel.
 * cK represents sqrt(2) * cos(K*pi/22).
@@ -2398,7 +2398,7 @@ jpeg_idct_16x16(j_decompress_ptr cinfo, jpeg_component_info *compptr,
    tmp0 = DEQUANTIZE(inptr[DCTSIZE * 0], quantptr[DCTSIZE * 0]);
    tmp0 = LEFT_SHIFT(tmp0, CONST_BITS);
    /* Add fudge factor here for final descale. */
-    tmp0 += ONE << (CONST_BITS - PASS1_BITS - 1);
+    tmp0 += 1 << (CONST_BITS - PASS1_BITS - 1);

    z1 = DEQUANTIZE(inptr[DCTSIZE * 4], quantptr[DCTSIZE * 4]);
    tmp1 = MULTIPLY(z1, FIX(1.306562965));      /* c4[16] = c2[8] */
@@ -4,7 +4,7 @@
 * This file was part of the Independent JPEG Group's software:
 * Copyright (C) 1991-1997, Thomas G. Lane.
 * libjpeg-turbo Modifications:
- * Copyright (C) 2016, 2021, D. R. Commander.
+ * Copyright (C) 2016, D. R. Commander.
 * For conditions of distribution and use, see the accompanying README.ijg
 * file.
 *
@@ -1032,7 +1032,7 @@ free_pool(j_common_ptr cinfo, int pool_id)
    large_pool_ptr next_lhdr_ptr = lhdr_ptr->next;
    space_freed = lhdr_ptr->bytes_used +
                  lhdr_ptr->bytes_left +
-                  sizeof(large_pool_hdr) + ALIGN_SIZE - 1;
+                  sizeof(large_pool_hdr);
    jpeg_free_large(cinfo, (void *)lhdr_ptr, space_freed);
    mem->total_space_allocated -= space_freed;
    lhdr_ptr = next_lhdr_ptr;
@@ -1045,7 +1045,7 @@ free_pool(j_common_ptr cinfo, int pool_id)
  while (shdr_ptr != NULL) {
    small_pool_ptr next_shdr_ptr = shdr_ptr->next;
    space_freed = shdr_ptr->bytes_used + shdr_ptr->bytes_left +
-                  sizeof(small_pool_hdr) + ALIGN_SIZE - 1;
+                  sizeof(small_pool_hdr);
    jpeg_free_small(cinfo, (void *)shdr_ptr, space_freed);
    mem->total_space_allocated -= space_freed;
    shdr_ptr = next_shdr_ptr;
@@ -5,7 +5,7 @@
 * Copyright (C) 1991-1997, Thomas G. Lane.
 * Modified 1997-2009 by Guido Vollbeding.
 * libjpeg-turbo Modifications:
- * Copyright (C) 2009, 2011, 2014-2015, 2018, 2020, D. R. Commander.
+ * Copyright (C) 2009, 2011, 2014-2015, 2018, D. R. Commander.
 * For conditions of distribution and use, see the accompanying README.ijg
 * file.
 *
@@ -43,11 +43,25 @@

 #if BITS_IN_JSAMPLE == 8
 /* JSAMPLE should be the smallest type that will hold the values 0..255.
+ * You can use a signed char by having GETJSAMPLE mask it with 0xFF.
 */

+#ifdef HAVE_UNSIGNED_CHAR
+
 typedef unsigned char JSAMPLE;
 #define GETJSAMPLE(value)  ((int)(value))

+#else /* not HAVE_UNSIGNED_CHAR */
+
+typedef char JSAMPLE;
+#ifdef __CHAR_UNSIGNED__
+#define GETJSAMPLE(value)  ((int)(value))
+#else
+#define GETJSAMPLE(value)  ((int)(value) & 0xFF)
+#endif /* __CHAR_UNSIGNED__ */
+
+#endif /* HAVE_UNSIGNED_CHAR */
+
 #define MAXJSAMPLE      255
 #define CENTERJSAMPLE   128

@@ -83,9 +97,22 @@ typedef short JCOEF;
 * managers, this is also the data type passed to fread/fwrite.
 */

+#ifdef HAVE_UNSIGNED_CHAR
+
 typedef unsigned char JOCTET;
 #define GETJOCTET(value)  (value)

+#else /* not HAVE_UNSIGNED_CHAR */
+
+typedef char JOCTET;
+#ifdef __CHAR_UNSIGNED__
+#define GETJOCTET(value)  (value)
+#else
+#define GETJOCTET(value)  ((value) & 0xFF)
+#endif /* __CHAR_UNSIGNED__ */
+
+#endif /* HAVE_UNSIGNED_CHAR */
+

 /* These typedefs are used for various table entries and so forth.
 * They must be at least as wide as specified; but making them too big
@@ -96,7 +123,15 @@ typedef unsigned char JOCTET;

 /* UINT8 must hold at least the values 0..255. */

+#ifdef HAVE_UNSIGNED_CHAR
 typedef unsigned char UINT8;
+#else /* not HAVE_UNSIGNED_CHAR */
+#ifdef __CHAR_UNSIGNED__
+typedef char UINT8;
+#else /* not __CHAR_UNSIGNED__ */
+typedef short UINT8;
+#endif /* __CHAR_UNSIGNED__ */
+#endif /* HAVE_UNSIGNED_CHAR */

 /* UINT16 must hold at least the values 0..65535. */

@@ -238,9 +273,9 @@ typedef int boolean;

 /* Capability options common to encoder and decoder: */

-#define DCT_ISLOW_SUPPORTED     /* accurate integer method */
-#define DCT_IFAST_SUPPORTED     /* less accurate int method [legacy feature] */
-#define DCT_FLOAT_SUPPORTED     /* floating-point method [legacy feature] */
+#define DCT_ISLOW_SUPPORTED     /* slow but accurate integer algorithm */
+#define DCT_IFAST_SUPPORTED     /* faster, less accurate integer method */
+#define DCT_FLOAT_SUPPORTED     /* floating-point: accurate, fast on fast HW */

 /* Encoder capability options: */

@@ -1,7 +1,7 @@
 /*
 * jpegcomp.h
 *
- * Copyright (C) 2010, 2020, D. R. Commander.
+ * Copyright (C) 2010, D. R. Commander.
 * For conditions of distribution and use, see the accompanying README.ijg
 * file.
 *
@@ -19,7 +19,6 @@
 #define _min_DCT_v_scaled_size  min_DCT_v_scaled_size
 #define _jpeg_width  jpeg_width
 #define _jpeg_height  jpeg_height
-#define JERR_ARITH_NOTIMPL  JERR_NOT_COMPILED
 #else
 #define _DCT_scaled_size  DCT_scaled_size
 #define _DCT_h_scaled_size  DCT_scaled_size
@@ -5,9 +5,8 @@
 * Copyright (C) 1991-1997, Thomas G. Lane.
 * Modified 1997-2009 by Guido Vollbeding.
 * libjpeg-turbo Modifications:
- * Copyright (C) 2015-2016, 2019, 2021, D. R. Commander.
+ * Copyright (C) 2015-2016, D. R. Commander.
 * Copyright (C) 2015, Google, Inc.
- * Copyright (C) 2021, Alex Richardson.
 * For conditions of distribution and use, see the accompanying README.ijg
 * file.
 *
@@ -48,18 +47,6 @@ typedef enum {            /* Operating modes for buffer controllers */
 /* JLONG must hold at least signed 32-bit values. */
 typedef long JLONG;

-/* JUINTPTR must hold pointer values. */
-#ifdef __UINTPTR_TYPE__
-/*
- * __UINTPTR_TYPE__ is GNU-specific and available in GCC 4.6+ and Clang 3.0+.
- * Fortunately, that is sufficient to support the few architectures for which
- * sizeof(void *) != sizeof(size_t).  The only other options would require C99
- * or Clang-specific builtins.
- */
-typedef __UINTPTR_TYPE__ JUINTPTR;
-#else
-typedef size_t JUINTPTR;
-#endif

 /*
 * Left shift macro that handles a negative operand without causing any
@@ -171,9 +158,6 @@ struct jpeg_decomp_master {
  JDIMENSION first_MCU_col[MAX_COMPONENTS];
  JDIMENSION last_MCU_col[MAX_COMPONENTS];
  boolean jinit_upsampler_no_alloc;
-
-  /* Last iMCU row that was successfully decoded */
-  JDIMENSION last_good_iMCU_row;
 };

 /* Input control module */
@@ -5,7 +5,7 @@
 * Copyright (C) 1991-1998, Thomas G. Lane.
 * Modified 2002-2009 by Guido Vollbeding.
 * libjpeg-turbo Modifications:
- * Copyright (C) 2009-2011, 2013-2014, 2016-2017, 2020, D. R. Commander.
+ * Copyright (C) 2009-2011, 2013-2014, 2016-2017, D. R. Commander.
 * Copyright (C) 2015, Google, Inc.
 * For conditions of distribution and use, see the accompanying README.ijg
 * file.
@@ -244,9 +244,9 @@ typedef enum {
 /* DCT/IDCT algorithm options. */

 typedef enum {
-  JDCT_ISLOW,             /* accurate integer method */
-  JDCT_IFAST,             /* less accurate integer method [legacy feature] */
-  JDCT_FLOAT              /* floating-point method [legacy feature] */
+  JDCT_ISLOW,             /* slow but accurate integer algorithm */
+  JDCT_IFAST,             /* faster, less accurate integer method */
+  JDCT_FLOAT              /* floating-point: accurate, fast on fast HW */
 } J_DCT_METHOD;

 #ifndef JDCT_DEFAULT            /* may be overridden in jconfig.h */
@@ -479,7 +479,7 @@ color_quantize(j_decompress_ptr cinfo, JSAMPARRAY input_buf,
    for (col = width; col > 0; col--) {
      pixcode = 0;
      for (ci = 0; ci < nc; ci++) {
-        pixcode += colorindex[ci][*ptrin++];
+        pixcode += GETJSAMPLE(colorindex[ci][GETJSAMPLE(*ptrin++)]);
      }
      *ptrout++ = (JSAMPLE)pixcode;
    }
@@ -506,9 +506,9 @@ color_quantize3(j_decompress_ptr cinfo, JSAMPARRAY input_buf,
    ptrin = input_buf[row];
    ptrout = output_buf[row];
    for (col = width; col > 0; col--) {
-      pixcode  = colorindex0[*ptrin++];
-      pixcode += colorindex1[*ptrin++];
-      pixcode += colorindex2[*ptrin++];
+      pixcode  = GETJSAMPLE(colorindex0[GETJSAMPLE(*ptrin++)]);
+      pixcode += GETJSAMPLE(colorindex1[GETJSAMPLE(*ptrin++)]);
+      pixcode += GETJSAMPLE(colorindex2[GETJSAMPLE(*ptrin++)]);
      *ptrout++ = (JSAMPLE)pixcode;
    }
  }
@@ -552,7 +552,7 @@ quantize_ord_dither(j_decompress_ptr cinfo, JSAMPARRAY input_buf,
         * required amount of padding.
         */
        *output_ptr +=
-          colorindex_ci[*input_ptr + dither[col_index]];
+          colorindex_ci[GETJSAMPLE(*input_ptr) + dither[col_index]];
        input_ptr += nc;
        output_ptr++;
        col_index = (col_index + 1) & ODITHER_MASK;
@@ -595,9 +595,12 @@ quantize3_ord_dither(j_decompress_ptr cinfo, JSAMPARRAY input_buf,
    col_index = 0;

    for (col = width; col > 0; col--) {
-      pixcode  = colorindex0[(*input_ptr++) + dither0[col_index]];
-      pixcode += colorindex1[(*input_ptr++) + dither1[col_index]];
-      pixcode += colorindex2[(*input_ptr++) + dither2[col_index]];
+      pixcode  =
+        GETJSAMPLE(colorindex0[GETJSAMPLE(*input_ptr++) + dither0[col_index]]);
+      pixcode +=
+        GETJSAMPLE(colorindex1[GETJSAMPLE(*input_ptr++) + dither1[col_index]]);
+      pixcode +=
+        GETJSAMPLE(colorindex2[GETJSAMPLE(*input_ptr++) + dither2[col_index]]);
      *output_ptr++ = (JSAMPLE)pixcode;
      col_index = (col_index + 1) & ODITHER_MASK;
    }
@@ -674,15 +677,15 @@ quantize_fs_dither(j_decompress_ptr cinfo, JSAMPARRAY input_buf,
         * The maximum error is +- MAXJSAMPLE; this sets the required size
         * of the range_limit array.
         */
-        cur += *input_ptr;
-        cur = range_limit[cur];
+        cur += GETJSAMPLE(*input_ptr);
+        cur = GETJSAMPLE(range_limit[cur]);
        /* Select output value, accumulate into output code for this pixel */
-        pixcode = colorindex_ci[cur];
+        pixcode = GETJSAMPLE(colorindex_ci[cur]);
        *output_ptr += (JSAMPLE)pixcode;
        /* Compute actual representation error at this pixel */
        /* Note: we can do this even though we don't have the final */
        /* pixel code, because the colormap is orthogonal. */
-        cur -= colormap_ci[pixcode];
+        cur -= GETJSAMPLE(colormap_ci[pixcode]);
        /* Compute error fractions to be propagated to adjacent pixels.
         * Add these into the running sums, and simultaneously shift the
         * next-line error sums left by 1 column.
@@ -4,7 +4,7 @@
 * This file was part of the Independent JPEG Group's software:
 * Copyright (C) 1991-1996, Thomas G. Lane.
 * libjpeg-turbo Modifications:
- * Copyright (C) 2009, 2014-2015, 2020, D. R. Commander.
+ * Copyright (C) 2009, 2014-2015, D. R. Commander.
 * For conditions of distribution and use, see the accompanying README.ijg
 * file.
 *
@@ -215,9 +215,9 @@ prescan_quantize(j_decompress_ptr cinfo, JSAMPARRAY input_buf,
    ptr = input_buf[row];
    for (col = width; col > 0; col--) {
      /* get pixel value and index into the histogram */
-      histp = &histogram[ptr[0] >> C0_SHIFT]
-                        [ptr[1] >> C1_SHIFT]
-                        [ptr[2] >> C2_SHIFT];
+      histp = &histogram[GETJSAMPLE(ptr[0]) >> C0_SHIFT]
+                        [GETJSAMPLE(ptr[1]) >> C1_SHIFT]
+                        [GETJSAMPLE(ptr[2]) >> C2_SHIFT];
      /* increment, check for overflow and undo increment if so. */
      if (++(*histp) <= 0)
        (*histp)--;
@@ -665,7 +665,7 @@ find_nearby_colors(j_decompress_ptr cinfo, int minc0, int minc1, int minc2,

  for (i = 0; i < numcolors; i++) {
    /* We compute the squared-c0-distance term, then add in the other two. */
-    x = cinfo->colormap[0][i];
+    x = GETJSAMPLE(cinfo->colormap[0][i]);
    if (x < minc0) {
      tdist = (x - minc0) * C0_SCALE;
      min_dist = tdist * tdist;
@@ -688,7 +688,7 @@ find_nearby_colors(j_decompress_ptr cinfo, int minc0, int minc1, int minc2,
      }
    }

-    x = cinfo->colormap[1][i];
+    x = GETJSAMPLE(cinfo->colormap[1][i]);
    if (x < minc1) {
      tdist = (x - minc1) * C1_SCALE;
      min_dist += tdist * tdist;
@@ -710,7 +710,7 @@ find_nearby_colors(j_decompress_ptr cinfo, int minc0, int minc1, int minc2,
      }
    }

-    x = cinfo->colormap[2][i];
+    x = GETJSAMPLE(cinfo->colormap[2][i]);
    if (x < minc2) {
      tdist = (x - minc2) * C2_SCALE;
      min_dist += tdist * tdist;
@@ -788,13 +788,13 @@ find_best_colors(j_decompress_ptr cinfo, int minc0, int minc1, int minc2,
 #define STEP_C2  ((1 << C2_SHIFT) * C2_SCALE)

  for (i = 0; i < numcolors; i++) {
-    icolor = colorlist[i];
+    icolor = GETJSAMPLE(colorlist[i]);
    /* Compute (square of) distance from minc0/c1/c2 to this color */
-    inc0 = (minc0 - cinfo->colormap[0][icolor]) * C0_SCALE;
+    inc0 = (minc0 - GETJSAMPLE(cinfo->colormap[0][icolor])) * C0_SCALE;
    dist0 = inc0 * inc0;
-    inc1 = (minc1 - cinfo->colormap[1][icolor]) * C1_SCALE;
+    inc1 = (minc1 - GETJSAMPLE(cinfo->colormap[1][icolor])) * C1_SCALE;
    dist0 += inc1 * inc1;
-    inc2 = (minc2 - cinfo->colormap[2][icolor]) * C2_SCALE;
+    inc2 = (minc2 - GETJSAMPLE(cinfo->colormap[2][icolor])) * C2_SCALE;
    dist0 += inc2 * inc2;
    /* Form the initial difference increments */
    inc0 = inc0 * (2 * STEP_C0) + STEP_C0 * STEP_C0;
@@ -879,7 +879,7 @@ fill_inverse_cmap(j_decompress_ptr cinfo, int c0, int c1, int c2)
    for (ic1 = 0; ic1 < BOX_C1_ELEMS; ic1++) {
      cachep = &histogram[c0 + ic0][c1 + ic1][c2];
      for (ic2 = 0; ic2 < BOX_C2_ELEMS; ic2++) {
-        *cachep++ = (histcell)((*cptr++) + 1);
+        *cachep++ = (histcell)(GETJSAMPLE(*cptr++) + 1);
      }
    }
  }
@@ -909,9 +909,9 @@ pass2_no_dither(j_decompress_ptr cinfo, JSAMPARRAY input_buf,
    outptr = output_buf[row];
    for (col = width; col > 0; col--) {
      /* get pixel value and index into the cache */
-      c0 = (*inptr++) >> C0_SHIFT;
-      c1 = (*inptr++) >> C1_SHIFT;
-      c2 = (*inptr++) >> C2_SHIFT;
+      c0 = GETJSAMPLE(*inptr++) >> C0_SHIFT;
+      c1 = GETJSAMPLE(*inptr++) >> C1_SHIFT;
+      c2 = GETJSAMPLE(*inptr++) >> C2_SHIFT;
      cachep = &histogram[c0][c1][c2];
      /* If we have not seen this color before, find nearest colormap entry */
      /* and update the cache */
@@ -996,12 +996,12 @@ pass2_fs_dither(j_decompress_ptr cinfo, JSAMPARRAY input_buf,
       * The maximum error is +- MAXJSAMPLE (or less with error limiting);
       * this sets the required size of the range_limit array.
       */
-      cur0 += inptr[0];
-      cur1 += inptr[1];
-      cur2 += inptr[2];
-      cur0 = range_limit[cur0];
-      cur1 = range_limit[cur1];
-      cur2 = range_limit[cur2];
+      cur0 += GETJSAMPLE(inptr[0]);
+      cur1 += GETJSAMPLE(inptr[1]);
+      cur2 += GETJSAMPLE(inptr[2]);
+      cur0 = GETJSAMPLE(range_limit[cur0]);
+      cur1 = GETJSAMPLE(range_limit[cur1]);
+      cur2 = GETJSAMPLE(range_limit[cur2]);
      /* Index into the cache with adjusted pixel value */
      cachep =
        &histogram[cur0 >> C0_SHIFT][cur1 >> C1_SHIFT][cur2 >> C2_SHIFT];
@@ -1015,9 +1015,9 @@ pass2_fs_dither(j_decompress_ptr cinfo, JSAMPARRAY input_buf,
        register int pixcode = *cachep - 1;
        *outptr = (JSAMPLE)pixcode;
        /* Compute representation error for this pixel */
-        cur0 -= colormap0[pixcode];
-        cur1 -= colormap1[pixcode];
-        cur2 -= colormap2[pixcode];
+        cur0 -= GETJSAMPLE(colormap0[pixcode]);
+        cur1 -= GETJSAMPLE(colormap1[pixcode]);
+        cur2 -= GETJSAMPLE(colormap2[pixcode]);
      }
      /* Compute error fractions to be propagated to adjacent pixels.
       * Add these into the running sums, and simultaneously shift the
@@ -1145,7 +1145,7 @@ start_pass_2_quant(j_decompress_ptr cinfo, boolean is_pre_scan)
  int i;

  /* Only F-S dithering or no dithering is supported. */
-  /* If user asks for ordered dither, give them F-S. */
+  /* If user asks for ordered dither, give him F-S. */
  if (cinfo->dither_mode != JDITHER_NONE)
    cinfo->dither_mode = JDITHER_FS;

@@ -1263,7 +1263,7 @@ jinit_2pass_quantizer(j_decompress_ptr cinfo)
    cquantize->sv_colormap = NULL;

  /* Only F-S dithering or no dithering is supported. */
-  /* If user asks for ordered dither, give them F-S. */
+  /* If user asks for ordered dither, give him F-S. */
  if (cinfo->dither_mode != JDITHER_NONE)
    cinfo->dither_mode = JDITHER_FS;

@@ -4,7 +4,6 @@
 * Copyright 2009 Pierre Ossman <ossman@cendio.se> for Cendio AB
 * Copyright (C) 2011, 2014, D. R. Commander.
 * Copyright (C) 2015-2016, 2018, Matthieu Darbois.
- * Copyright (C) 2020, Arm Limited.
 *
 * Based on the x86 SIMD extension for IJG JPEG library,
 * Copyright (C) 1999-2006, MIYASAKA Masaru.
@@ -76,7 +75,6 @@ EXTERN(void) jsimd_int_upsample(j_decompress_ptr cinfo,

 EXTERN(int) jsimd_can_h2v2_fancy_upsample(void);
 EXTERN(int) jsimd_can_h2v1_fancy_upsample(void);
-EXTERN(int) jsimd_can_h1v2_fancy_upsample(void);

 EXTERN(void) jsimd_h2v2_fancy_upsample(j_decompress_ptr cinfo,
                                       jpeg_component_info *compptr,
@@ -86,10 +84,6 @@ EXTERN(void) jsimd_h2v1_fancy_upsample(j_decompress_ptr cinfo,
                                       jpeg_component_info *compptr,
                                       JSAMPARRAY input_data,
                                       JSAMPARRAY *output_data_ptr);
-EXTERN(void) jsimd_h1v2_fancy_upsample(j_decompress_ptr cinfo,
-                                       jpeg_component_info *compptr,
-                                       JSAMPARRAY input_data,
-                                       JSAMPARRAY *output_data_ptr);

 EXTERN(int) jsimd_can_h2v2_merged_upsample(void);
 EXTERN(int) jsimd_can_h2v1_merged_upsample(void);
@@ -4,7 +4,6 @@
 * Copyright 2009 Pierre Ossman <ossman@cendio.se> for Cendio AB
 * Copyright (C) 2009-2011, 2014, D. R. Commander.
 * Copyright (C) 2015-2016, 2018, Matthieu Darbois.
- * Copyright (C) 2020, Arm Limited.
 *
 * Based on the x86 SIMD extension for IJG JPEG library,
 * Copyright (C) 1999-2006, MIYASAKA Masaru.
@@ -170,12 +169,6 @@ jsimd_can_h2v1_fancy_upsample(void)
  return 0;
 }

-GLOBAL(int)
-jsimd_can_h1v2_fancy_upsample(void)
-{
-  return 0;
-}
-
 GLOBAL(void)
 jsimd_h2v2_fancy_upsample(j_decompress_ptr cinfo, jpeg_component_info *compptr,
                          JSAMPARRAY input_data, JSAMPARRAY *output_data_ptr)
@@ -188,12 +181,6 @@ jsimd_h2v1_fancy_upsample(j_decompress_ptr cinfo, jpeg_component_info *compptr,
 {
 }

-GLOBAL(void)
-jsimd_h1v2_fancy_upsample(j_decompress_ptr cinfo, jpeg_component_info *compptr,
-                          JSAMPARRAY input_data, JSAMPARRAY *output_data_ptr)
-{
-}
-
 GLOBAL(int)
 jsimd_can_h2v2_merged_upsample(void)
 {
@@ -2,9 +2,9 @@
 * jversion.h
 *
 * This file was part of the Independent JPEG Group's software:
- * Copyright (C) 1991-2020, Thomas G. Lane, Guido Vollbeding.
+ * Copyright (C) 1991-2012, Thomas G. Lane, Guido Vollbeding.
 * libjpeg-turbo Modifications:
- * Copyright (C) 2010, 2012-2021, D. R. Commander.
+ * Copyright (C) 2010, 2012-2020, D. R. Commander.
 * For conditions of distribution and use, see the accompanying README.ijg
 * file.
 *
@@ -30,25 +30,23 @@
 * NOTE: It is our convention to place the authors in the following order:
 * - libjpeg-turbo authors (2009-) in descending order of the date of their
 *   most recent contribution to the project, then in ascending order of the
- *   date of their first contribution to the project, then in alphabetical
- *   order
+ *   date of their first contribution to the project
 * - Upstream authors in descending order of the date of the first inclusion of
 *   their code
 */

 #define JCOPYRIGHT \
-  "Copyright (C) 2009-2021 D. R. Commander\n" \
-  "Copyright (C) 2015, 2020 Google, Inc.\n" \
-  "Copyright (C) 2019-2020 Arm Limited\n" \
-  "Copyright (C) 2015-2016, 2018 Matthieu Darbois\n" \
+  "Copyright (C) 2009-2020 D. R. Commander\n" \
  "Copyright (C) 2011-2016 Siarhei Siamashka\n" \
+  "Copyright (C) 2015-2016, 2018 Matthieu Darbois\n" \
  "Copyright (C) 2015 Intel Corporation\n" \
-  "Copyright (C) 2013-2014 Linaro Limited\n" \
+  "Copyright (C) 2015 Google, Inc.\n" \
  "Copyright (C) 2013-2014 MIPS Technologies, Inc.\n" \
-  "Copyright (C) 2009, 2012 Pierre Ossman for Cendio AB\n" \
+  "Copyright (C) 2013 Linaro Limited\n" \
  "Copyright (C) 2009-2011 Nokia Corporation and/or its subsidiary(-ies)\n" \
+  "Copyright (C) 2009 Pierre Ossman for Cendio AB\n" \
  "Copyright (C) 1999-2006 MIYASAKA Masaru\n" \
-  "Copyright (C) 1991-2020 Thomas G. Lane, Guido Vollbeding"
+  "Copyright (C) 1991-2016 Thomas G. Lane, Guido Vollbeding"

 #define JCOPYRIGHT_SHORT \
-  "Copyright (C) 1991-2021 The libjpeg-turbo Project and many others"
+  "Copyright (C) 1991-2020 The libjpeg-turbo Project and many others"
@@ -19,7 +19,7 @@ endif()
 #         Define the library target:
 # ----------------------------------------------------------------------------------

-add_library(${JPEG_LIBRARY} STATIC ${OPENCV_3RDPARTY_EXCLUDE_FROM_ALL} ${lib_srcs} ${lib_hdrs})
+add_library(${JPEG_LIBRARY} STATIC ${lib_srcs} ${lib_hdrs})

 if(CV_GCC OR CV_CLANG)
  set_source_files_properties(jcdctmgr.c PROPERTIES COMPILE_FLAGS "-O1")
@@ -42,7 +42,7 @@ if(ENABLE_SOLUTION_FOLDERS)
 endif()

 if(NOT BUILD_SHARED_LIBS)
-  ocv_install_target(${JPEG_LIBRARY} EXPORT OpenCVModules ARCHIVE DESTINATION ${OPENCV_3P_LIB_INSTALL_PATH} COMPONENT dev OPTIONAL)
+  ocv_install_target(${JPEG_LIBRARY} EXPORT OpenCVModules ARCHIVE DESTINATION ${OPENCV_3P_LIB_INSTALL_PATH} COMPONENT dev)
 endif()

 ocv_install_3rdparty_licenses(libjpeg README)
@@ -74,14 +74,10 @@ if(MSVC)
  add_definitions(-D_CRT_SECURE_NO_DEPRECATE)
 endif(MSVC)

-add_library(${PNG_LIBRARY} STATIC ${OPENCV_3RDPARTY_EXCLUDE_FROM_ALL} ${lib_srcs} ${lib_hdrs})
+add_library(${PNG_LIBRARY} STATIC ${lib_srcs} ${lib_hdrs})
 target_link_libraries(${PNG_LIBRARY} ${ZLIB_LIBRARIES})

-ocv_warnings_disable(CMAKE_C_FLAGS -Wundef -Wcast-align -Wimplicit-fallthrough -Wunused-parameter -Wsign-compare
-    -Wmaybe-uninitialized
-    -Wnull-pointer-subtraction                   # clang15
-    -Wunused-but-set-variable                    # clang15
-)
+ocv_warnings_disable(CMAKE_C_FLAGS -Wundef -Wcast-align -Wimplicit-fallthrough -Wunused-parameter -Wsign-compare)

 set_target_properties(${PNG_LIBRARY}
  PROPERTIES OUTPUT_NAME ${PNG_LIBRARY}
@@ -96,7 +92,7 @@ if(ENABLE_SOLUTION_FOLDERS)
 endif()

 if(NOT BUILD_SHARED_LIBS)
-  ocv_install_target(${PNG_LIBRARY} EXPORT OpenCVModules ARCHIVE DESTINATION ${OPENCV_3P_LIB_INSTALL_PATH} COMPONENT dev OPTIONAL)
+  ocv_install_target(${PNG_LIBRARY} EXPORT OpenCVModules ARCHIVE DESTINATION ${OPENCV_3P_LIB_INSTALL_PATH} COMPONENT dev)
 endif()

 ocv_install_3rdparty_licenses(libpng LICENSE README)
@@ -20,8 +20,9 @@
 # Author: qtang@openailab.com or https://github.com/BUG1989
 #         qli@openailab.com
 #         sqfu@openailab.com
+#

-SET(TENGINE_COMMIT_VERSION "e89cf8870de2ff0a80cfe626c0b52b2a16fb302e")
+SET(TENGINE_COMMIT_VERSION "8a4c58e0e05cd850f4bb0936a330edc86dc0e28c")
 SET(OCV_TENGINE_DIR "${OpenCV_BINARY_DIR}/3rdparty/libtengine")
 SET(OCV_TENGINE_SOURCE_PATH "${OCV_TENGINE_DIR}/Tengine-${TENGINE_COMMIT_VERSION}")

@@ -31,10 +32,11 @@ IF(EXISTS "${OCV_TENGINE_SOURCE_PATH}")
 	SET(Tengine_FOUND ON)
 	SET(BUILD_TENGINE ON)
 ELSE()
-	SET(OCV_TENGINE_FILENAME "${TENGINE_COMMIT_VERSION}.zip")#name
-	SET(OCV_TENGINE_URL "https://github.com/OAID/Tengine/archive/") #url
-	SET(tengine_md5sum 23f61ebb1dd419f1207d8876496289c5) #md5sum
+	SET(OCV_TENGINE_FILENAME "${TENGINE_COMMIT_VERSION}.zip")#name2
+	SET(OCV_TENGINE_URL "https://github.com/OAID/Tengine/archive/") #url2
+	SET(tengine_md5sum f51ca8f3963faeeff3f019a6f6edc206) #md5sum2

+	#MESSAGE(STATUS "**** TENGINE DOWNLOAD BEGIN ****")
 	ocv_download(FILENAME ${OCV_TENGINE_FILENAME}
 						HASH ${tengine_md5sum}
 						URL
@@ -60,17 +62,24 @@ ENDIF()
 if(BUILD_TENGINE)
 	SET(HAVE_TENGINE 1)

-	if(NOT ANDROID)
+	# android system
+	if(ANDROID)
+	   if(${ANDROID_ABI} STREQUAL "armeabi-v7a")
+			   SET(CONFIG_ARCH_ARM32 ON)
+	   elseif(${ANDROID_ABI} STREQUAL "arm64-v8a")
+			   SET(CONFIG_ARCH_ARM64 ON)
+	   endif()
+	else()
 		# linux system
 		if(CMAKE_SYSTEM_PROCESSOR STREQUAL arm)
-			   SET(TENGINE_TOOLCHAIN_FLAG "-march=armv7-a")
+			   SET(CONFIG_ARCH_ARM32 ON)
 		elseif(CMAKE_SYSTEM_PROCESSOR STREQUAL aarch64) ## AARCH64
-			   SET(TENGINE_TOOLCHAIN_FLAG "-march=armv8-a")
+			   SET(CONFIG_ARCH_ARM64 ON)
 		endif()
 	endif()

 	SET(BUILT_IN_OPENCV ON) ## set for tengine compile discern .
-	SET(Tengine_INCLUDE_DIR  "${OCV_TENGINE_SOURCE_PATH}/include" CACHE INTERNAL "")
+	SET(Tengine_INCLUDE_DIR  "${OCV_TENGINE_SOURCE_PATH}/core/include" CACHE INTERNAL "")
 	if(EXISTS "${OCV_TENGINE_SOURCE_PATH}/CMakeLists.txt")
 		add_subdirectory("${OCV_TENGINE_SOURCE_PATH}" "${OCV_TENGINE_DIR}/build")
 	else()
@@ -239,9 +239,6 @@ if(HOST_BIG_ENDIAN)
 else()
  set(HOST_BIG_ENDIAN 0)
 endif()
-if(HOST_BIG_ENDIAN)
-  add_definitions(-DWORDS_BIGENDIAN)
-endif()

 # IEEE floating point
 set(HAVE_IEEEFP 1 CACHE STRING "IEEE floating point is available")
@@ -452,10 +449,8 @@ ocv_warnings_disable(CMAKE_C_FLAGS -Wno-unused-but-set-variable -Wmissing-protot
                                   -Wcast-align -Wshadow -Wno-maybe-uninitialized -Wno-pointer-to-int-cast -Wno-int-to-pointer-cast
                                   -Wmisleading-indentation
                                   -Wimplicit-fallthrough
-                                   -Wunused-parameter  # clang
-                                   -Warray-parameter
-                                   -Wstrict-prototypes  # clang15
 )
+ocv_warnings_disable(CMAKE_C_FLAGS -Wunused-parameter) # clang
 ocv_warnings_disable(CMAKE_CXX_FLAGS -Wmissing-declarations -Wunused-parameter -Wmissing-prototypes
    -Wundef  # tiffiop.h: #if __clang_major__ >= 4
 )
@@ -467,7 +462,7 @@ ocv_warnings_disable(CMAKE_CXX_FLAGS /wd4456 /wd4457 /wd4312) # vs2015

 ocv_warnings_disable(CMAKE_C_FLAGS /wd4267 /wd4244 /wd4018 /wd4311 /wd4312)

-add_library(${TIFF_LIBRARY} STATIC ${OPENCV_3RDPARTY_EXCLUDE_FROM_ALL} ${lib_srcs})
+add_library(${TIFF_LIBRARY} STATIC ${lib_srcs})
 target_link_libraries(${TIFF_LIBRARY} ${ZLIB_LIBRARIES})

 set_target_properties(${TIFF_LIBRARY}
@@ -484,7 +479,7 @@ if(ENABLE_SOLUTION_FOLDERS)
 endif()

 if(NOT BUILD_SHARED_LIBS)
-  ocv_install_target(${TIFF_LIBRARY} EXPORT OpenCVModules ARCHIVE DESTINATION ${OPENCV_3P_LIB_INSTALL_PATH} COMPONENT dev OPTIONAL)
+  ocv_install_target(${TIFF_LIBRARY} EXPORT OpenCVModules ARCHIVE DESTINATION ${OPENCV_3P_LIB_INSTALL_PATH} COMPONENT dev)
 endif()

 ocv_install_3rdparty_licenses(libtiff COPYRIGHT)
@@ -24,10 +24,6 @@
 #ifndef _LIBPORT_
 #define	_LIBPORT_

-#if defined(HAVE_CONFIG_H)
-#  include <tif_config.h>
-#endif
-
 int getopt(int argc, char * const argv[], const char *optstring);
 extern   char *optarg;
 extern   int opterr;
@@ -40,16 +36,16 @@ int strcasecmp(const char *s1, const char *s2);
 #  define HAVE_GETOPT 1
 #endif

-#if !defined(HAVE_STRTOL)
+#if HAVE_STRTOL
 long strtol(const char *nptr, char **endptr, int base);
 #endif
-#if !defined(HAVE_STRTOLL)
+#if HAVE_STRTOLL
 long long strtoll(const char *nptr, char **endptr, int base);
 #endif
-#if !defined(HAVE_STRTOUL)
+#if HAVE_STRTOUL
 unsigned long strtoul(const char *nptr, char **endptr, int base);
 #endif
-#if !defined(HAVE_STRTOULL)
+#if HAVE_STRTOULL
 unsigned long long strtoull(const char *nptr, char **endptr, int base);
 #endif

@@ -35,61 +35,27 @@
 uint32
 _TIFFMultiply32(TIFF* tif, uint32 first, uint32 second, const char* where)
 {
-	if (second && first > TIFF_UINT32_MAX / second) {
+	uint32 bytes = first * second;
+
+	if (second && bytes / second != first) {
 		TIFFErrorExt(tif->tif_clientdata, where, "Integer overflow in %s", where);
-		return 0;
+		bytes = 0;
 	}

-	return first * second;
+	return bytes;
 }

 uint64
 _TIFFMultiply64(TIFF* tif, uint64 first, uint64 second, const char* where)
 {
-	if (second && first > TIFF_UINT64_MAX / second) {
+	uint64 bytes = first * second;
+
+	if (second && bytes / second != first) {
 		TIFFErrorExt(tif->tif_clientdata, where, "Integer overflow in %s", where);
-		return 0;
+		bytes = 0;
 	}

-	return first * second;
-}
-
-tmsize_t
-_TIFFMultiplySSize(TIFF* tif, tmsize_t first, tmsize_t second, const char* where)
-{
-    if( first <= 0 || second <= 0 )
-    {
-        if( tif != NULL && where != NULL )
-        {
-            TIFFErrorExt(tif->tif_clientdata, where,
-                        "Invalid argument to _TIFFMultiplySSize() in %s", where);
-        }
-        return 0;
-    }
-
-    if( first > TIFF_TMSIZE_T_MAX / second )
-    {
-        if( tif != NULL && where != NULL )
-        {
-            TIFFErrorExt(tif->tif_clientdata, where,
-                        "Integer overflow in %s", where);
-        }
-        return 0;
-    }
-    return first * second;
-}
-
-tmsize_t _TIFFCastUInt64ToSSize(TIFF* tif, uint64 val, const char* module)
-{
-    if( val > (uint64)TIFF_TMSIZE_T_MAX )
-    {
-        if( tif != NULL && module != NULL )
-        {
-            TIFFErrorExt(tif->tif_clientdata,module,"Integer overflow");
-        }
-        return 0;
-    }
-    return (tmsize_t)val;
+	return bytes;
 }

 void*
@@ -97,14 +63,13 @@ _TIFFCheckRealloc(TIFF* tif, void* buffer,
 		  tmsize_t nmemb, tmsize_t elem_size, const char* what)
 {
 	void* cp = NULL;
-        tmsize_t count = _TIFFMultiplySSize(tif, nmemb, elem_size, NULL);
+	tmsize_t bytes = nmemb * elem_size;
+
 	/*
-	 * Check for integer overflow.
+	 * XXX: Check for integer overflow.
 	 */
-	if (count != 0)
-	{
-		cp = _TIFFrealloc(buffer, count);
-	}
+	if (nmemb && elem_size && bytes / elem_size == nmemb)
+		cp = _TIFFrealloc(buffer, bytes);

 	if (cp == NULL) {
 		TIFFErrorExt(tif->tif_clientdata, tif->tif_name,
@@ -270,7 +235,7 @@ TIFFVGetFieldDefaulted(TIFF* tif, uint32 tag, va_list ap)
 		return (1);
 	case TIFFTAG_EXTRASAMPLES:
 		*va_arg(ap, uint16 *) = td->td_extrasamples;
-		*va_arg(ap, const uint16 **) = td->td_sampleinfo;
+		*va_arg(ap, uint16 **) = td->td_sampleinfo;
 		return (1);
 	case TIFFTAG_MATTEING:
 		*va_arg(ap, uint16 *) =
@@ -292,8 +257,8 @@ TIFFVGetFieldDefaulted(TIFF* tif, uint32 tag, va_list ap)
 	case TIFFTAG_YCBCRCOEFFICIENTS:
 		{
 			/* defaults are from CCIR Recommendation 601-1 */
-			static const float ycbcrcoeffs[] = { 0.299f, 0.587f, 0.114f };
-			*va_arg(ap, const float **) = ycbcrcoeffs;
+			static float ycbcrcoeffs[] = { 0.299f, 0.587f, 0.114f };
+			*va_arg(ap, float **) = ycbcrcoeffs;
 			return 1;
 		}
 	case TIFFTAG_YCBCRSUBSAMPLING:
@@ -305,14 +270,14 @@ TIFFVGetFieldDefaulted(TIFF* tif, uint32 tag, va_list ap)
 		return (1);
 	case TIFFTAG_WHITEPOINT:
 		{
+			static float whitepoint[2];
+
 			/* TIFF 6.0 specification tells that it is no default
 			   value for the WhitePoint, but AdobePhotoshop TIFF
 			   Technical Note tells that it should be CIE D50. */
-			static const float whitepoint[] = {
-						D50_X0 / (D50_X0 + D50_Y0 + D50_Z0),
-						D50_Y0 / (D50_X0 + D50_Y0 + D50_Z0)
-			};
-			*va_arg(ap, const float **) = whitepoint;
+			whitepoint[0] =	D50_X0 / (D50_X0 + D50_Y0 + D50_Z0);
+			whitepoint[1] =	D50_Y0 / (D50_X0 + D50_Y0 + D50_Z0);
+			*va_arg(ap, float **) = whitepoint;
 			return 1;
 		}
 	case TIFFTAG_TRANSFERFUNCTION:
@@ -321,16 +286,16 @@ TIFFVGetFieldDefaulted(TIFF* tif, uint32 tag, va_list ap)
 			TIFFErrorExt(tif->tif_clientdata, tif->tif_name, "No space for \"TransferFunction\" tag");
 			return (0);
 		}
-		*va_arg(ap, const uint16 **) = td->td_transferfunction[0];
+		*va_arg(ap, uint16 **) = td->td_transferfunction[0];
 		if (td->td_samplesperpixel - td->td_extrasamples > 1) {
-			*va_arg(ap, const uint16 **) = td->td_transferfunction[1];
-			*va_arg(ap, const uint16 **) = td->td_transferfunction[2];
+			*va_arg(ap, uint16 **) = td->td_transferfunction[1];
+			*va_arg(ap, uint16 **) = td->td_transferfunction[2];
 		}
 		return (1);
 	case TIFFTAG_REFERENCEBLACKWHITE:
 		if (!td->td_refblackwhite && !TIFFDefaultRefBlackWhite(td))
 			return (0);
-		*va_arg(ap, const float **) = td->td_refblackwhite;
+		*va_arg(ap, float **) = td->td_refblackwhite;
 		return (1);
 	}
 	return 0;
@@ -264,7 +264,7 @@ TIFFGetConfiguredCODECs()
 			return NULL;
 		}
 		codecs = new_codecs;
-		_TIFFmemcpy(codecs + i - 1, cd->info, sizeof(TIFFCodec));
+		_TIFFmemcpy(codecs + i - 1, cd, sizeof(TIFFCodec));
 		i++;
 	}
 	for (c = _TIFFBuiltinCODECS; c->name; c++) {
@@ -29,7 +29,6 @@
 * (and also some miscellaneous stuff)
 */
 #include "tiffiop.h"
-#include <float.h>	/*--: for Rational2Double */

 /*
 * These are used in the backwards compatibility code...
@@ -47,8 +46,8 @@ setByteArray(void** vpp, void* vp, size_t nmemb, size_t elem_size)
 		*vpp = 0;
 	}
 	if (vp) {
-		tmsize_t bytes = _TIFFMultiplySSize(NULL, nmemb, elem_size, NULL);
-		if (bytes)
+		tmsize_t bytes = (tmsize_t)(nmemb * elem_size);
+		if (elem_size && bytes / elem_size == nmemb)
 			*vpp = (void*) _TIFFmalloc(bytes);
 		if (*vpp)
 			_TIFFmemcpy(*vpp, vp, bytes);
@@ -124,7 +123,7 @@ setExtraSamples(TIFF* tif, va_list ap, uint32* v)
        {
                TIFFWarningExt(tif->tif_clientdata,module,
                    "ExtraSamples tag value is changing, "
-                    "but TransferFunction was read with a different value. Canceling it");
+                    "but TransferFunction was read with a different value. Cancelling it");
                TIFFClrFieldBit(tif,FIELD_TRANSFERFUNCTION);
                _TIFFfree(td->td_transferfunction[0]);
                td->td_transferfunction[0] = NULL;
@@ -206,7 +205,7 @@ _TIFFVSetField(TIFF* tif, uint32 tag, va_list ap)
 		/*
 		 * If the data require post-decoding processing to byte-swap
 		 * samples, set it up here.  Note that since tags are required
-		 * to be ordered, compression code can override this behavior
+		 * to be ordered, compression code can override this behaviour
 		 * in the setup method if it wants to roll the post decoding
 		 * work in with its normal work.
 		 */
@@ -276,7 +275,7 @@ _TIFFVSetField(TIFF* tif, uint32 tag, va_list ap)
            {
                TIFFWarningExt(tif->tif_clientdata,module,
                    "SamplesPerPixel tag value is changing, "
-                    "but SMinSampleValue tag was read with a different value. Canceling it");
+                    "but SMinSampleValue tag was read with a different value. Cancelling it");
                TIFFClrFieldBit(tif,FIELD_SMINSAMPLEVALUE);
                _TIFFfree(td->td_sminsamplevalue);
                td->td_sminsamplevalue = NULL;
@@ -285,7 +284,7 @@ _TIFFVSetField(TIFF* tif, uint32 tag, va_list ap)
            {
                TIFFWarningExt(tif->tif_clientdata,module,
                    "SamplesPerPixel tag value is changing, "
-                    "but SMaxSampleValue tag was read with a different value. Canceling it");
+                    "but SMaxSampleValue tag was read with a different value. Cancelling it");
                TIFFClrFieldBit(tif,FIELD_SMAXSAMPLEVALUE);
                _TIFFfree(td->td_smaxsamplevalue);
                td->td_smaxsamplevalue = NULL;
@@ -297,7 +296,7 @@ _TIFFVSetField(TIFF* tif, uint32 tag, va_list ap)
            {
                    TIFFWarningExt(tif->tif_clientdata,module,
                        "SamplesPerPixel tag value is changing, "
-                        "but TransferFunction was read with a different value. Canceling it");
+                        "but TransferFunction was read with a different value. Cancelling it");
                    TIFFClrFieldBit(tif,FIELD_TRANSFERFUNCTION);
                    _TIFFfree(td->td_transferfunction[0]);
                    td->td_transferfunction[0] = NULL;
@@ -394,7 +393,7 @@ _TIFFVSetField(TIFF* tif, uint32 tag, va_list ap)
 			if (tif->tif_mode != O_RDONLY)
 				goto badvalue32;
 			TIFFWarningExt(tif->tif_clientdata, tif->tif_name,
-				"Nonstandard tile width %u, convert file", v32);
+				"Nonstandard tile width %d, convert file", v32);
 		}
 		td->td_tilewidth = v32;
 		tif->tif_flags |= TIFF_ISTILED;
@@ -405,7 +404,7 @@ _TIFFVSetField(TIFF* tif, uint32 tag, va_list ap)
 			if (tif->tif_mode != O_RDONLY)
 				goto badvalue32;
 			TIFFWarningExt(tif->tif_clientdata, tif->tif_name,
-			    "Nonstandard tile length %u, convert file", v32);
+			    "Nonstandard tile length %d, convert file", v32);
 		}
 		td->td_tilelength = v32;
 		tif->tif_flags |= TIFF_ISTILED;
@@ -560,10 +559,6 @@ _TIFFVSetField(TIFF* tif, uint32 tag, va_list ap)
 		 * Set custom value ... save a copy of the custom tag value.
 		 */
 		tv_size = _TIFFDataSize(fip->field_type);
-		/*--: Rational2Double: For Rationals evaluate "set_field_type" to determine internal storage size. */
-		if (fip->field_type == TIFF_RATIONAL || fip->field_type == TIFF_SRATIONAL) {
-			tv_size = _TIFFSetGetFieldSize(fip->set_field_type);
-		}
 		if (tv_size == 0) {
 			status = 0;
 			TIFFErrorExt(tif->tif_clientdata, module,
@@ -643,7 +638,6 @@ _TIFFVSetField(TIFF* tif, uint32 tag, va_list ap)
 				  || fip->field_writecount == TIFF_VARIABLE2
 				  || fip->field_writecount == TIFF_SPP
 				  || tv->count > 1) {
-			  /*--: Rational2Double: For Rationals tv_size is set above to 4 or 8 according to fip->set_field_type! */
 				_TIFFmemcpy(tv->value, va_arg(ap, void *),
 				    tv->count * tv_size);
 			} else {
@@ -704,22 +698,6 @@ _TIFFVSetField(TIFF* tif, uint32 tag, va_list ap)
 					break;
 				case TIFF_RATIONAL:
 				case TIFF_SRATIONAL:
-					/*-- Rational2Double: For Rationals tv_size is set above to 4 or 8 according to fip->set_field_type! */
-					{
-						if (tv_size == 8) {
-							double v2 = va_arg(ap, double);
-							_TIFFmemcpy(val, &v2, tv_size);
-						} else {
-							/*-- default should be tv_size == 4 */
-							float v3 = (float)va_arg(ap, double);
-							_TIFFmemcpy(val, &v3, tv_size);
-							/*-- ToDo: After Testing, this should be removed and tv_size==4 should be set as default. */
-							if (tv_size != 4) {
-								TIFFErrorExt(0,"TIFFLib: _TIFFVSetField()", "Rational2Double: .set_field_type in not 4 but %d", tv_size); 
-							}
-						}
-					}
-					break;
 				case TIFF_FLOAT:
 					{
 						float v2 = _TIFFClampDoubleToFloat(va_arg(ap, double));
@@ -1033,19 +1011,19 @@ _TIFFVGetField(TIFF* tif, uint32 tag, va_list ap)
 			*va_arg(ap, uint16*) = td->td_halftonehints[1];
 			break;
 		case TIFFTAG_COLORMAP:
-			*va_arg(ap, const uint16**) = td->td_colormap[0];
-			*va_arg(ap, const uint16**) = td->td_colormap[1];
-			*va_arg(ap, const uint16**) = td->td_colormap[2];
+			*va_arg(ap, uint16**) = td->td_colormap[0];
+			*va_arg(ap, uint16**) = td->td_colormap[1];
+			*va_arg(ap, uint16**) = td->td_colormap[2];
 			break;
 		case TIFFTAG_STRIPOFFSETS:
 		case TIFFTAG_TILEOFFSETS:
 			_TIFFFillStriles( tif );
-			*va_arg(ap, const uint64**) = td->td_stripoffset_p;
+			*va_arg(ap, uint64**) = td->td_stripoffset;
 			break;
 		case TIFFTAG_STRIPBYTECOUNTS:
 		case TIFFTAG_TILEBYTECOUNTS:
 			_TIFFFillStriles( tif );
-			*va_arg(ap, const uint64**) = td->td_stripbytecount_p;
+			*va_arg(ap, uint64**) = td->td_stripbytecount;
 			break;
 		case TIFFTAG_MATTEING:
 			*va_arg(ap, uint16*) =
@@ -1054,7 +1032,7 @@ _TIFFVGetField(TIFF* tif, uint32 tag, va_list ap)
 			break;
 		case TIFFTAG_EXTRASAMPLES:
 			*va_arg(ap, uint16*) = td->td_extrasamples;
-			*va_arg(ap, const uint16**) = td->td_sampleinfo;
+			*va_arg(ap, uint16**) = td->td_sampleinfo;
 			break;
 		case TIFFTAG_TILEWIDTH:
 			*va_arg(ap, uint32*) = td->td_tilewidth;
@@ -1089,7 +1067,7 @@ _TIFFVGetField(TIFF* tif, uint32 tag, va_list ap)
 			break;
 		case TIFFTAG_SUBIFD:
 			*va_arg(ap, uint16*) = td->td_nsubifd;
-			*va_arg(ap, const uint64**) = td->td_subifd;
+			*va_arg(ap, uint64**) = td->td_subifd;
 			break;
 		case TIFFTAG_YCBCRPOSITIONING:
 			*va_arg(ap, uint16*) = td->td_ycbcrpositioning;
@@ -1099,20 +1077,20 @@ _TIFFVGetField(TIFF* tif, uint32 tag, va_list ap)
 			*va_arg(ap, uint16*) = td->td_ycbcrsubsampling[1];
 			break;
 		case TIFFTAG_TRANSFERFUNCTION:
-			*va_arg(ap, const uint16**) = td->td_transferfunction[0];
+			*va_arg(ap, uint16**) = td->td_transferfunction[0];
 			if (td->td_samplesperpixel - td->td_extrasamples > 1) {
-				*va_arg(ap, const uint16**) = td->td_transferfunction[1];
-				*va_arg(ap, const uint16**) = td->td_transferfunction[2];
+				*va_arg(ap, uint16**) = td->td_transferfunction[1];
+				*va_arg(ap, uint16**) = td->td_transferfunction[2];
 			} else {
-				*va_arg(ap, const uint16**) = NULL;
-				*va_arg(ap, const uint16**) = NULL;
+				*va_arg(ap, uint16**) = NULL;
+				*va_arg(ap, uint16**) = NULL;
 			}
 			break;
 		case TIFFTAG_REFERENCEBLACKWHITE:
-			*va_arg(ap, const float**) = td->td_refblackwhite;
+			*va_arg(ap, float**) = td->td_refblackwhite;
 			break;
 		case TIFFTAG_INKNAMES:
-			*va_arg(ap, const char**) = td->td_inknames;
+			*va_arg(ap, char**) = td->td_inknames;
 			break;
 		default:
 			{
@@ -1154,7 +1132,7 @@ _TIFFVGetField(TIFF* tif, uint32 tag, va_list ap)
 							*va_arg(ap, uint32*) = (uint32)tv->count;
 						else  /* Assume TIFF_VARIABLE */
 							*va_arg(ap, uint16*) = (uint16)tv->count;
-						*va_arg(ap, const void **) = tv->value;
+						*va_arg(ap, void **) = tv->value;
 						ret_val = 1;
 					} else if (fip->field_tag == TIFFTAG_DOTRANGE
 						   && strcmp(fip->field_name,"DotRange") == 0) {
@@ -1222,23 +1200,6 @@ _TIFFVGetField(TIFF* tif, uint32 tag, va_list ap)
 								break;
 							case TIFF_RATIONAL:
 							case TIFF_SRATIONAL:
-								{
-									/*-- Rational2Double: For Rationals evaluate "set_field_type" to determine internal storage size and return value size. */
-									int tv_size = _TIFFSetGetFieldSize(fip->set_field_type);
-									if (tv_size == 8) {
-										*va_arg(ap, double*) = *(double *)val;
-										ret_val = 1;
-									} else {
-										/*-- default should be tv_size == 4  */
-										*va_arg(ap, float*) = *(float *)val;
-										ret_val = 1;
-										/*-- ToDo: After Testing, this should be removed and tv_size==4 should be set as default. */
-										if (tv_size != 4) {
-											TIFFErrorExt(0,"TIFFLib: _TIFFVGetField()", "Rational2Double: .set_field_type in not 4 but %d", tv_size); 
-										}
-									}
-								}
-								break;
 							case TIFF_FLOAT:
 								*va_arg(ap, float*) =
 									*(float *)val;
@@ -1321,9 +1282,8 @@ TIFFFreeDirectory(TIFF* tif)
 	CleanupField(td_transferfunction[0]);
 	CleanupField(td_transferfunction[1]);
 	CleanupField(td_transferfunction[2]);
-	CleanupField(td_stripoffset_p);
-	CleanupField(td_stripbytecount_p);
-        td->td_stripoffsetbyteallocsize = 0;
+	CleanupField(td_stripoffset);
+	CleanupField(td_stripbytecount);
 	TIFFClrFieldBit(tif, FIELD_YCBCRSUBSAMPLING);
 	TIFFClrFieldBit(tif, FIELD_YCBCRPOSITIONING);

@@ -1336,8 +1296,10 @@ TIFFFreeDirectory(TIFF* tif)
 	td->td_customValueCount = 0;
 	CleanupField(td_customValues);

+#if defined(DEFER_STRILE_LOAD)
        _TIFFmemset( &(td->td_stripoffset_entry), 0, sizeof(TIFFDirEntry));
        _TIFFmemset( &(td->td_stripbytecount_entry), 0, sizeof(TIFFDirEntry));
+#endif        
 }
 #undef CleanupField

@@ -1403,17 +1365,6 @@ TIFFCreateEXIFDirectory(TIFF* tif)
 	return TIFFCreateCustomDirectory(tif, exifFieldArray);
 }

-/*
- * Creates the EXIF GPS custom directory 
- */
-int
-TIFFCreateGPSDirectory(TIFF* tif)
-{
-	const TIFFFieldArray* gpsFieldArray;
-	gpsFieldArray = _TIFFGetGpsFields();
-	return TIFFCreateCustomDirectory(tif, gpsFieldArray);
-}
-
 /*
 * Setup a default directory structure.
 */
@@ -1436,9 +1387,7 @@ TIFFDefaultDirectory(TIFF* tif)
 	td->td_tilewidth = 0;
 	td->td_tilelength = 0;
 	td->td_tiledepth = 1;
-#ifdef STRIPBYTECOUNTSORTED_UNUSED
 	td->td_stripbytecountsorted = 1; /* Our own arrays always sorted. */  
-#endif
 	td->td_resolutionunit = RESUNIT_INCH;
 	td->td_sampleformat = SAMPLEFORMAT_UINT;
 	td->td_imagedepth = 1;
@@ -58,7 +58,6 @@ typedef struct {
 		uint32 toff_long;
 		uint64 toff_long8;
 	} tdir_offset;		/* either offset or the data itself if fits */
-	uint8  tdir_ignore;	/* flag status to ignore tag when parsing tags in tif_dirread.c */
 } TIFFDirEntry;

 /*
@@ -98,14 +97,13 @@ typedef struct {
 	 * number of striles */
 	uint32  td_stripsperimage;  
 	uint32  td_nstrips;              /* size of offset & bytecount arrays */
-	uint64* td_stripoffset_p;        /* should be accessed with TIFFGetStrileOffset */
-	uint64* td_stripbytecount_p;     /* should be accessed with TIFFGetStrileByteCount */
-        uint32  td_stripoffsetbyteallocsize; /* number of elements currently allocated for td_stripoffset/td_stripbytecount. Only used if TIFF_LAZYSTRILELOAD is set */
-#ifdef STRIPBYTECOUNTSORTED_UNUSED
+	uint64* td_stripoffset;
+	uint64* td_stripbytecount;
 	int     td_stripbytecountsorted; /* is the bytecount array sorted ascending? */
-#endif
+#if defined(DEFER_STRILE_LOAD)
        TIFFDirEntry td_stripoffset_entry;    /* for deferred loading */
        TIFFDirEntry td_stripbytecount_entry; /* for deferred loading */
+#endif
 	uint16  td_nsubifd;
 	uint64* td_subifd;
 	/* YCbCr parameters */
@@ -120,8 +118,6 @@ typedef struct {

 	int     td_customValueCount;
        TIFFTagValue *td_customValues;
-
-        unsigned char td_deferstrilearraywriting; /* see TIFFDeferStrileArrayWriting() */
 } TIFFDirectory;

 /*
@@ -261,7 +257,6 @@ extern "C" {

 extern const TIFFFieldArray* _TIFFGetFields(void);
 extern const TIFFFieldArray* _TIFFGetExifFields(void);
-extern const TIFFFieldArray* _TIFFGetGpsFields(void);
 extern void _TIFFSetupFields(TIFF* tif, const TIFFFieldArray* infoarray);
 extern void _TIFFPrintFieldInfo(TIFF*, FILE*);

@@ -270,7 +265,6 @@ extern int _TIFFFillStriles(TIFF*);
 typedef enum {
 	tfiatImage,
 	tfiatExif,
-	tfiatGps,		/* EXIF-GPS fields array type */
 	tfiatOther
 } TIFFFieldArrayType;

@@ -47,19 +47,9 @@
 #endif
 static const TIFFFieldArray tiffFieldArray;
 static const TIFFFieldArray exifFieldArray;
-static const TIFFFieldArray gpsFieldArray;
 #ifdef _MSC_VER
 #pragma warning( pop )
 #endif
-/*--: Rational2Double: --
- * The Rational2Double upgraded libtiff functionality allows the definition and achievement of true double-precision accuracy
- * for TIFF tags of RATIONAL type and field_bit=FIELD_CUSTOM using the set_field_type = TIFF_SETGET_DOUBLE.
- * Unfortunately, that changes the old implemented interface for TIFFGetField().
- * In order to keep the old TIFFGetField() interface behavior those tags have to be redefined with set_field_type = TIFF_SETGET_FLOAT!
- *
- *  Rational custom arrays are already defined as _Cxx_FLOAT, thus can stay.
- *
- */

 static const TIFFField
 tiffFields[] = {
@@ -85,12 +75,12 @@ tiffFields[] = {
 	{ TIFFTAG_STRIPBYTECOUNTS, -1, -1, TIFF_LONG8, 0, TIFF_SETGET_UNDEFINED, TIFF_SETGET_UNDEFINED, FIELD_STRIPBYTECOUNTS, 0, 0, "StripByteCounts", NULL },
 	{ TIFFTAG_MINSAMPLEVALUE, -2, -1, TIFF_SHORT, 0, TIFF_SETGET_UINT16, TIFF_SETGET_UNDEFINED, FIELD_MINSAMPLEVALUE, 1, 0, "MinSampleValue", NULL },
 	{ TIFFTAG_MAXSAMPLEVALUE, -2, -1, TIFF_SHORT, 0, TIFF_SETGET_UINT16, TIFF_SETGET_UNDEFINED, FIELD_MAXSAMPLEVALUE, 1, 0, "MaxSampleValue", NULL },
-	{ TIFFTAG_XRESOLUTION, 1, 1, TIFF_RATIONAL, 0, TIFF_SETGET_FLOAT, TIFF_SETGET_UNDEFINED, FIELD_RESOLUTION, 1, 0, "XResolution", NULL },
-	{ TIFFTAG_YRESOLUTION, 1, 1, TIFF_RATIONAL, 0, TIFF_SETGET_FLOAT, TIFF_SETGET_UNDEFINED, FIELD_RESOLUTION, 1, 0, "YResolution", NULL },
+	{ TIFFTAG_XRESOLUTION, 1, 1, TIFF_RATIONAL, 0, TIFF_SETGET_DOUBLE, TIFF_SETGET_UNDEFINED, FIELD_RESOLUTION, 1, 0, "XResolution", NULL },
+	{ TIFFTAG_YRESOLUTION, 1, 1, TIFF_RATIONAL, 0, TIFF_SETGET_DOUBLE, TIFF_SETGET_UNDEFINED, FIELD_RESOLUTION, 1, 0, "YResolution", NULL },
 	{ TIFFTAG_PLANARCONFIG, 1, 1, TIFF_SHORT, 0, TIFF_SETGET_UINT16, TIFF_SETGET_UNDEFINED, FIELD_PLANARCONFIG, 0, 0, "PlanarConfiguration", NULL },
 	{ TIFFTAG_PAGENAME, -1, -1, TIFF_ASCII, 0, TIFF_SETGET_ASCII, TIFF_SETGET_UNDEFINED, FIELD_CUSTOM, 1, 0, "PageName", NULL },
-	{ TIFFTAG_XPOSITION, 1, 1, TIFF_RATIONAL, 0, TIFF_SETGET_FLOAT, TIFF_SETGET_UNDEFINED, FIELD_POSITION, 1, 0, "XPosition", NULL },
-	{ TIFFTAG_YPOSITION, 1, 1, TIFF_RATIONAL, 0, TIFF_SETGET_FLOAT, TIFF_SETGET_UNDEFINED, FIELD_POSITION, 1, 0, "YPosition", NULL },
+	{ TIFFTAG_XPOSITION, 1, 1, TIFF_RATIONAL, 0, TIFF_SETGET_DOUBLE, TIFF_SETGET_UNDEFINED, FIELD_POSITION, 1, 0, "XPosition", NULL },
+	{ TIFFTAG_YPOSITION, 1, 1, TIFF_RATIONAL, 0, TIFF_SETGET_DOUBLE, TIFF_SETGET_UNDEFINED, FIELD_POSITION, 1, 0, "YPosition", NULL },
 	{ TIFFTAG_FREEOFFSETS, -1, -1, TIFF_LONG8, 0, TIFF_SETGET_UNDEFINED, TIFF_SETGET_UNDEFINED, FIELD_IGNORE, 0, 0, "FreeOffsets", NULL },
 	{ TIFFTAG_FREEBYTECOUNTS, -1, -1, TIFF_LONG8, 0, TIFF_SETGET_UNDEFINED, TIFF_SETGET_UNDEFINED, FIELD_IGNORE, 0, 0, "FreeByteCounts", NULL },
 	{ TIFFTAG_GRAYRESPONSEUNIT, 1, 1, TIFF_SHORT, 0, TIFF_SETGET_UNDEFINED, TIFF_SETGET_UNDEFINED, FIELD_IGNORE, 1, 0, "GrayResponseUnit", NULL },
@@ -145,18 +135,14 @@ tiffFields[] = {
 	{ TIFFTAG_PIXAR_MATRIX_WORLDTOSCREEN, 16, 16, TIFF_FLOAT, 0, TIFF_SETGET_C0_FLOAT, TIFF_SETGET_UNDEFINED, FIELD_CUSTOM, 1, 0, "MatrixWorldToScreen", NULL },
 	{ TIFFTAG_PIXAR_MATRIX_WORLDTOCAMERA, 16, 16, TIFF_FLOAT, 0, TIFF_SETGET_C0_FLOAT, TIFF_SETGET_UNDEFINED, FIELD_CUSTOM, 1, 0, "MatrixWorldToCamera", NULL },
 	{ TIFFTAG_CFAREPEATPATTERNDIM, 2, 2, TIFF_SHORT, 0, TIFF_SETGET_C0_UINT16, TIFF_SETGET_UNDEFINED,	FIELD_CUSTOM, 0,	0,	"CFARepeatPatternDim", NULL },
-	{ TIFFTAG_CFAPATTERN, -1, -1, TIFF_BYTE, 0, TIFF_SETGET_C16_UINT8, TIFF_SETGET_UNDEFINED, FIELD_CUSTOM, 0, 1, "CFAPattern" , NULL},
+	{ TIFFTAG_CFAPATTERN,	4, 4,	TIFF_BYTE, 0, TIFF_SETGET_C0_UINT8, TIFF_SETGET_UNDEFINED, FIELD_CUSTOM, 0,	0,	"CFAPattern" , NULL},
 	{ TIFFTAG_COPYRIGHT, -1, -1, TIFF_ASCII, 0, TIFF_SETGET_ASCII, TIFF_SETGET_UNDEFINED, FIELD_CUSTOM, 1, 0, "Copyright", NULL },
 	/* end Pixar tags */
-	{ TIFFTAG_RICHTIFFIPTC, -3, -3, TIFF_UNDEFINED, 0, TIFF_SETGET_C32_UINT8, TIFF_SETGET_UNDEFINED, FIELD_CUSTOM, 0, 1, "RichTIFFIPTC", NULL },
+	{ TIFFTAG_RICHTIFFIPTC, -3, -3, TIFF_LONG, 0, TIFF_SETGET_C32_UINT32, TIFF_SETGET_UNDEFINED, FIELD_CUSTOM, 0, 1, "RichTIFFIPTC", NULL },
 	{ TIFFTAG_PHOTOSHOP, -3, -3, TIFF_BYTE, 0, TIFF_SETGET_C32_UINT8, TIFF_SETGET_UNDEFINED, FIELD_CUSTOM, 0, 1, "Photoshop", NULL },
-	/*--: EXIFIFD and GPSIFD specified as TIFF_LONG by Aware-Systems and not TIFF_IFD8 as in original LibTiff.
-	 *    However, for IFD-like tags, libtiff uses the data type TIFF_IFD8 in tiffFields[]-tag definition combined with
-	 *    a special handling procedure in order to write either a 32-bit value and the TIFF_IFD type-id into ClassicTIFF files 
-	 *    or a 64-bit value and the TIFF_IFD8 type-id into BigTIFF files. */
-	{ TIFFTAG_EXIFIFD, 1, 1, TIFF_IFD8, 0, TIFF_SETGET_IFD8, TIFF_SETGET_UNDEFINED, FIELD_CUSTOM, 1, 0, "EXIFIFDOffset", (TIFFFieldArray*) &exifFieldArray },
+	{ TIFFTAG_EXIFIFD, 1, 1, TIFF_IFD8, 0, TIFF_SETGET_IFD8, TIFF_SETGET_UNDEFINED, FIELD_CUSTOM, 0, 0, "EXIFIFDOffset", (TIFFFieldArray*) &exifFieldArray },
 	{ TIFFTAG_ICCPROFILE, -3, -3, TIFF_UNDEFINED, 0, TIFF_SETGET_C32_UINT8, TIFF_SETGET_UNDEFINED, FIELD_CUSTOM, 0, 1, "ICC Profile", NULL },
-	{ TIFFTAG_GPSIFD, 1, 1, TIFF_IFD8, 0, TIFF_SETGET_IFD8, TIFF_SETGET_UNDEFINED, FIELD_CUSTOM, 1, 0, "GPSIFDOffset", (TIFFFieldArray*) &gpsFieldArray },
+	{ TIFFTAG_GPSIFD, 1, 1, TIFF_IFD8, 0, TIFF_SETGET_IFD8, TIFF_SETGET_UNDEFINED, FIELD_CUSTOM, 0, 0, "GPSIFDOffset", NULL },
 	{ TIFFTAG_FAXRECVPARAMS, 1, 1, TIFF_LONG, 0, TIFF_SETGET_UINT32, TIFF_SETGET_UINT32, FIELD_CUSTOM, TRUE, FALSE, "FaxRecvParams", NULL },
 	{ TIFFTAG_FAXSUBADDRESS, -1, -1, TIFF_ASCII, 0, TIFF_SETGET_ASCII, TIFF_SETGET_ASCII, FIELD_CUSTOM, TRUE, FALSE, "FaxSubAddress", NULL },
 	{ TIFFTAG_FAXRECVTIME, 1, 1, TIFF_LONG, 0, TIFF_SETGET_UINT32, TIFF_SETGET_UINT32, FIELD_CUSTOM, TRUE, FALSE, "FaxRecvTime", NULL },
@@ -177,7 +163,7 @@ tiffFields[] = {
 	{ TIFFTAG_BLACKLEVELDELTAV, -1, -1, TIFF_SRATIONAL, 0, TIFF_SETGET_C16_FLOAT, TIFF_SETGET_UNDEFINED, FIELD_CUSTOM, 0, 1, "BlackLevelDeltaV", NULL },
 	{ TIFFTAG_WHITELEVEL, -1, -1, TIFF_LONG, 0, TIFF_SETGET_C16_UINT32, TIFF_SETGET_UNDEFINED, FIELD_CUSTOM, 0, 1, "WhiteLevel", NULL },
 	{ TIFFTAG_DEFAULTSCALE, 2, 2, TIFF_RATIONAL, 0, TIFF_SETGET_C0_FLOAT, TIFF_SETGET_UNDEFINED, FIELD_CUSTOM, 0, 0, "DefaultScale", NULL },
-	{ TIFFTAG_BESTQUALITYSCALE, 1, 1, TIFF_RATIONAL, 0, TIFF_SETGET_FLOAT, TIFF_SETGET_UNDEFINED, FIELD_CUSTOM, 0, 0, "BestQualityScale", NULL },
+	{ TIFFTAG_BESTQUALITYSCALE, 1, 1, TIFF_RATIONAL, 0, TIFF_SETGET_DOUBLE, TIFF_SETGET_UNDEFINED, FIELD_CUSTOM, 0, 0, "BestQualityScale", NULL },
 	{ TIFFTAG_DEFAULTCROPORIGIN, 2, 2, TIFF_RATIONAL, 0, TIFF_SETGET_C0_FLOAT, TIFF_SETGET_UNDEFINED, FIELD_CUSTOM, 0, 0, "DefaultCropOrigin", NULL },
 	{ TIFFTAG_DEFAULTCROPSIZE, 2, 2, TIFF_RATIONAL, 0, TIFF_SETGET_C0_FLOAT, TIFF_SETGET_UNDEFINED, FIELD_CUSTOM, 0, 0, "DefaultCropSize", NULL },
 	{ TIFFTAG_COLORMATRIX1, -1, -1, TIFF_SRATIONAL, 0, TIFF_SETGET_C16_FLOAT, TIFF_SETGET_UNDEFINED, FIELD_CUSTOM, 0, 1, "ColorMatrix1", NULL },
@@ -189,16 +175,16 @@ tiffFields[] = {
 	{ TIFFTAG_ANALOGBALANCE, -1, -1, TIFF_RATIONAL, 0, TIFF_SETGET_C16_FLOAT, TIFF_SETGET_UNDEFINED, FIELD_CUSTOM, 0, 1, "AnalogBalance", NULL },
 	{ TIFFTAG_ASSHOTNEUTRAL, -1, -1, TIFF_RATIONAL, 0, TIFF_SETGET_C16_FLOAT, TIFF_SETGET_UNDEFINED, FIELD_CUSTOM, 0, 1, "AsShotNeutral", NULL },
 	{ TIFFTAG_ASSHOTWHITEXY, 2, 2, TIFF_RATIONAL, 0, TIFF_SETGET_C0_FLOAT, TIFF_SETGET_UNDEFINED, FIELD_CUSTOM, 0, 0, "AsShotWhiteXY", NULL },
-	{ TIFFTAG_BASELINEEXPOSURE, 1, 1, TIFF_SRATIONAL, 0, TIFF_SETGET_FLOAT, TIFF_SETGET_UNDEFINED, FIELD_CUSTOM, 0, 0, "BaselineExposure", NULL },
-	{ TIFFTAG_BASELINENOISE, 1, 1, TIFF_RATIONAL, 0, TIFF_SETGET_FLOAT, TIFF_SETGET_UNDEFINED, FIELD_CUSTOM, 0, 0, "BaselineNoise", NULL },
-	{ TIFFTAG_BASELINESHARPNESS, 1, 1, TIFF_RATIONAL, 0, TIFF_SETGET_FLOAT, TIFF_SETGET_UNDEFINED, FIELD_CUSTOM, 0, 0, "BaselineSharpness", NULL },
+	{ TIFFTAG_BASELINEEXPOSURE, 1, 1, TIFF_SRATIONAL, 0, TIFF_SETGET_DOUBLE, TIFF_SETGET_UNDEFINED, FIELD_CUSTOM, 0, 0, "BaselineExposure", NULL },
+	{ TIFFTAG_BASELINENOISE, 1, 1, TIFF_RATIONAL, 0, TIFF_SETGET_DOUBLE, TIFF_SETGET_UNDEFINED, FIELD_CUSTOM, 0, 0, "BaselineNoise", NULL },
+	{ TIFFTAG_BASELINESHARPNESS, 1, 1, TIFF_RATIONAL, 0, TIFF_SETGET_DOUBLE, TIFF_SETGET_UNDEFINED, FIELD_CUSTOM, 0, 0, "BaselineSharpness", NULL },
 	{ TIFFTAG_BAYERGREENSPLIT, 1, 1, TIFF_LONG, 0, TIFF_SETGET_UINT32, TIFF_SETGET_UNDEFINED, FIELD_CUSTOM, 0, 0, "BayerGreenSplit", NULL },
-	{ TIFFTAG_LINEARRESPONSELIMIT, 1, 1, TIFF_RATIONAL, 0, TIFF_SETGET_FLOAT, TIFF_SETGET_UNDEFINED, FIELD_CUSTOM, 0, 0, "LinearResponseLimit", NULL },
+	{ TIFFTAG_LINEARRESPONSELIMIT, 1, 1, TIFF_RATIONAL, 0, TIFF_SETGET_DOUBLE, TIFF_SETGET_UNDEFINED, FIELD_CUSTOM, 0, 0, "LinearResponseLimit", NULL },
 	{ TIFFTAG_CAMERASERIALNUMBER, -1, -1, TIFF_ASCII, 0, TIFF_SETGET_ASCII, TIFF_SETGET_UNDEFINED, FIELD_CUSTOM, 1, 0, "CameraSerialNumber", NULL },
 	{ TIFFTAG_LENSINFO, 4, 4, TIFF_RATIONAL, 0, TIFF_SETGET_C0_FLOAT, TIFF_SETGET_UNDEFINED, FIELD_CUSTOM, 0, 0, "LensInfo", NULL },
-	{ TIFFTAG_CHROMABLURRADIUS, 1, 1, TIFF_RATIONAL, 0, TIFF_SETGET_FLOAT, TIFF_SETGET_UNDEFINED, FIELD_CUSTOM, 0, 0, "ChromaBlurRadius", NULL },
-	{ TIFFTAG_ANTIALIASSTRENGTH, 1, 1, TIFF_RATIONAL, 0, TIFF_SETGET_FLOAT, TIFF_SETGET_UNDEFINED, FIELD_CUSTOM, 0, 0, "AntiAliasStrength", NULL },
-	{ TIFFTAG_SHADOWSCALE, 1, 1, TIFF_RATIONAL, 0, TIFF_SETGET_FLOAT, TIFF_SETGET_UNDEFINED, FIELD_CUSTOM, 0, 0, "ShadowScale", NULL },
+	{ TIFFTAG_CHROMABLURRADIUS, 1, 1, TIFF_RATIONAL, 0, TIFF_SETGET_DOUBLE, TIFF_SETGET_UNDEFINED, FIELD_CUSTOM, 0, 0, "ChromaBlurRadius", NULL },
+	{ TIFFTAG_ANTIALIASSTRENGTH, 1, 1, TIFF_RATIONAL, 0, TIFF_SETGET_DOUBLE, TIFF_SETGET_UNDEFINED, FIELD_CUSTOM, 0, 0, "AntiAliasStrength", NULL },
+	{ TIFFTAG_SHADOWSCALE, 1, 1, TIFF_RATIONAL, 0, TIFF_SETGET_DOUBLE, TIFF_SETGET_UNDEFINED, FIELD_CUSTOM, 0, 0, "ShadowScale", NULL },
 	{ TIFFTAG_DNGPRIVATEDATA, -1, -1, TIFF_BYTE, 0, TIFF_SETGET_C16_UINT8, TIFF_SETGET_UNDEFINED, FIELD_CUSTOM, 0, 1, "DNGPrivateData", NULL },
 	{ TIFFTAG_MAKERNOTESAFETY, 1, 1, TIFF_SHORT, 0, TIFF_SETGET_UINT16, TIFF_SETGET_UNDEFINED, FIELD_CUSTOM, 0, 0, "MakerNoteSafety", NULL },
 	{ TIFFTAG_CALIBRATIONILLUMINANT1, 1, 1, TIFF_SHORT, 0, TIFF_SETGET_UINT16, TIFF_SETGET_UNDEFINED, FIELD_CUSTOM, 0, 0, "CalibrationIlluminant1", NULL },
@@ -231,68 +217,47 @@ tiffFields[] = {
 	/* begin pseudo tags */
 };

-/*
- * EXIF tags  (Version 2.31, July 2016 plus version 2.32 May 2019)
- */
 static const TIFFField
 exifFields[] = {
-	{ EXIFTAG_EXPOSURETIME, 1, 1, TIFF_RATIONAL, 0, TIFF_SETGET_FLOAT, TIFF_SETGET_UNDEFINED, FIELD_CUSTOM, 1, 0, "ExposureTime", NULL },
-	{ EXIFTAG_FNUMBER, 1, 1, TIFF_RATIONAL, 0, TIFF_SETGET_FLOAT, TIFF_SETGET_UNDEFINED, FIELD_CUSTOM, 1, 0, "FNumber", NULL },
+	{ EXIFTAG_EXPOSURETIME, 1, 1, TIFF_RATIONAL, 0, TIFF_SETGET_DOUBLE, TIFF_SETGET_UNDEFINED, FIELD_CUSTOM, 1, 0, "ExposureTime", NULL },
+	{ EXIFTAG_FNUMBER, 1, 1, TIFF_RATIONAL, 0, TIFF_SETGET_DOUBLE, TIFF_SETGET_UNDEFINED, FIELD_CUSTOM, 1, 0, "FNumber", NULL },
 	{ EXIFTAG_EXPOSUREPROGRAM, 1, 1, TIFF_SHORT, 0, TIFF_SETGET_UINT16, TIFF_SETGET_UNDEFINED, FIELD_CUSTOM, 1, 0, "ExposureProgram", NULL },
 	{ EXIFTAG_SPECTRALSENSITIVITY, -1, -1, TIFF_ASCII, 0, TIFF_SETGET_ASCII, TIFF_SETGET_UNDEFINED, FIELD_CUSTOM, 1, 0, "SpectralSensitivity", NULL },
 	{ EXIFTAG_ISOSPEEDRATINGS, -1, -1, TIFF_SHORT, 0, TIFF_SETGET_C16_UINT16, TIFF_SETGET_UNDEFINED, FIELD_CUSTOM, 1, 1, "ISOSpeedRatings", NULL },
 	{ EXIFTAG_OECF, -1, -1, TIFF_UNDEFINED, 0, TIFF_SETGET_C16_UINT8, TIFF_SETGET_UNDEFINED, FIELD_CUSTOM, 1, 1, "OptoelectricConversionFactor", NULL },
-	{ EXIFTAG_SENSITIVITYTYPE, 1, 1, TIFF_SHORT, 0, TIFF_SETGET_UINT16, TIFF_SETGET_UNDEFINED, FIELD_CUSTOM, 1, 0, "SensitivityType", NULL },
-	{ EXIFTAG_STANDARDOUTPUTSENSITIVITY, 1, 1, TIFF_LONG, 0, TIFF_SETGET_UINT32, TIFF_SETGET_UNDEFINED, FIELD_CUSTOM, 1, 0, "StandardOutputSensitivity", NULL },
-	{ EXIFTAG_RECOMMENDEDEXPOSUREINDEX, 1, 1, TIFF_LONG, 0, TIFF_SETGET_UINT32, TIFF_SETGET_UNDEFINED, FIELD_CUSTOM, 1, 0, "RecommendedExposureIndex", NULL },
-	{ EXIFTAG_ISOSPEED, 1, 1, TIFF_LONG, 0, TIFF_SETGET_UINT32, TIFF_SETGET_UNDEFINED, FIELD_CUSTOM, 1, 0, "ISOSpeed", NULL },
-	{ EXIFTAG_ISOSPEEDLATITUDEYYY, 1, 1, TIFF_LONG, 0, TIFF_SETGET_UINT32, TIFF_SETGET_UNDEFINED, FIELD_CUSTOM, 1, 0, "ISOSpeedLatitudeyyy", NULL },
-	{ EXIFTAG_ISOSPEEDLATITUDEZZZ, 1, 1, TIFF_LONG, 0, TIFF_SETGET_UINT32, TIFF_SETGET_UNDEFINED, FIELD_CUSTOM, 1, 0, "ISOSpeedLatitudezzz", NULL },
 	{ EXIFTAG_EXIFVERSION, 4, 4, TIFF_UNDEFINED, 0, TIFF_SETGET_C0_UINT8, TIFF_SETGET_UNDEFINED, FIELD_CUSTOM, 1, 0, "ExifVersion", NULL },
 	{ EXIFTAG_DATETIMEORIGINAL, 20, 20, TIFF_ASCII, 0, TIFF_SETGET_ASCII, TIFF_SETGET_UNDEFINED, FIELD_CUSTOM, 1, 0, "DateTimeOriginal", NULL },
 	{ EXIFTAG_DATETIMEDIGITIZED, 20, 20, TIFF_ASCII, 0, TIFF_SETGET_ASCII, TIFF_SETGET_UNDEFINED, FIELD_CUSTOM, 1, 0, "DateTimeDigitized", NULL },
-	{ EXIFTAG_OFFSETTIME, 7, 7, TIFF_ASCII, 0, TIFF_SETGET_ASCII, TIFF_SETGET_UNDEFINED, FIELD_CUSTOM, 1, 0, "OffsetTime", NULL },
-	{ EXIFTAG_OFFSETTIMEORIGINAL, 7, 7, TIFF_ASCII, 0, TIFF_SETGET_ASCII, TIFF_SETGET_UNDEFINED, FIELD_CUSTOM, 1, 0, "OffsetTimeOriginal", NULL },
-	{ EXIFTAG_OFFSETTIMEDIGITIZED, 7, 7, TIFF_ASCII, 0, TIFF_SETGET_ASCII, TIFF_SETGET_UNDEFINED, FIELD_CUSTOM, 1, 0, "OffsetTimeDigitized", NULL },
 	{ EXIFTAG_COMPONENTSCONFIGURATION, 4, 4, TIFF_UNDEFINED, 0, TIFF_SETGET_C0_UINT8, TIFF_SETGET_UNDEFINED, FIELD_CUSTOM, 1, 0, "ComponentsConfiguration", NULL },
-	{ EXIFTAG_COMPRESSEDBITSPERPIXEL, 1, 1, TIFF_RATIONAL, 0, TIFF_SETGET_FLOAT, TIFF_SETGET_UNDEFINED, FIELD_CUSTOM, 1, 0, "CompressedBitsPerPixel", NULL },
-	{ EXIFTAG_SHUTTERSPEEDVALUE, 1, 1, TIFF_SRATIONAL, 0, TIFF_SETGET_FLOAT, TIFF_SETGET_UNDEFINED, FIELD_CUSTOM, 1, 0, "ShutterSpeedValue", NULL },
-	{ EXIFTAG_APERTUREVALUE, 1, 1, TIFF_RATIONAL, 0, TIFF_SETGET_FLOAT, TIFF_SETGET_UNDEFINED, FIELD_CUSTOM, 1, 0, "ApertureValue", NULL },
-	{ EXIFTAG_BRIGHTNESSVALUE, 1, 1, TIFF_SRATIONAL, 0, TIFF_SETGET_FLOAT, TIFF_SETGET_UNDEFINED, FIELD_CUSTOM, 1, 0, "BrightnessValue", NULL },
-	{ EXIFTAG_EXPOSUREBIASVALUE, 1, 1, TIFF_SRATIONAL, 0, TIFF_SETGET_FLOAT, TIFF_SETGET_UNDEFINED, FIELD_CUSTOM, 1, 0, "ExposureBiasValue", NULL },
-	{ EXIFTAG_MAXAPERTUREVALUE, 1, 1, TIFF_RATIONAL, 0, TIFF_SETGET_FLOAT, TIFF_SETGET_UNDEFINED, FIELD_CUSTOM, 1, 0, "MaxApertureValue", NULL },
-	/*--: EXIFTAG_SUBJECTDISTANCE: LibTiff returns value of "-1" if numerator equals 4294967295 (0xFFFFFFFF) to indicate infinite distance!
-	 * However, there are two other EXIF tags where numerator indicates a special value and six other cases where the denominator indicates special values,
-	 * which are not treated within LibTiff!! */
-	{ EXIFTAG_SUBJECTDISTANCE, 1, 1, TIFF_RATIONAL, 0, TIFF_SETGET_FLOAT, TIFF_SETGET_UNDEFINED, FIELD_CUSTOM, 1, 0, "SubjectDistance", NULL },
+	{ EXIFTAG_COMPRESSEDBITSPERPIXEL, 1, 1, TIFF_RATIONAL, 0, TIFF_SETGET_DOUBLE, TIFF_SETGET_UNDEFINED, FIELD_CUSTOM, 1, 0, "CompressedBitsPerPixel", NULL },
+	{ EXIFTAG_SHUTTERSPEEDVALUE, 1, 1, TIFF_SRATIONAL, 0, TIFF_SETGET_DOUBLE, TIFF_SETGET_UNDEFINED, FIELD_CUSTOM, 1, 0, "ShutterSpeedValue", NULL },
+	{ EXIFTAG_APERTUREVALUE, 1, 1, TIFF_RATIONAL, 0, TIFF_SETGET_DOUBLE, TIFF_SETGET_UNDEFINED, FIELD_CUSTOM, 1, 0, "ApertureValue", NULL },
+	{ EXIFTAG_BRIGHTNESSVALUE, 1, 1, TIFF_SRATIONAL, 0, TIFF_SETGET_DOUBLE, TIFF_SETGET_UNDEFINED, FIELD_CUSTOM, 1, 0, "BrightnessValue", NULL },
+	{ EXIFTAG_EXPOSUREBIASVALUE, 1, 1, TIFF_SRATIONAL, 0, TIFF_SETGET_DOUBLE, TIFF_SETGET_UNDEFINED, FIELD_CUSTOM, 1, 0, "ExposureBiasValue", NULL },
+	{ EXIFTAG_MAXAPERTUREVALUE, 1, 1, TIFF_RATIONAL, 0, TIFF_SETGET_DOUBLE, TIFF_SETGET_UNDEFINED, FIELD_CUSTOM, 1, 0, "MaxApertureValue", NULL },
+	{ EXIFTAG_SUBJECTDISTANCE, 1, 1, TIFF_RATIONAL, 0, TIFF_SETGET_DOUBLE, TIFF_SETGET_UNDEFINED, FIELD_CUSTOM, 1, 0, "SubjectDistance", NULL },
 	{ EXIFTAG_METERINGMODE, 1, 1, TIFF_SHORT, 0, TIFF_SETGET_UINT16, TIFF_SETGET_UNDEFINED, FIELD_CUSTOM, 1, 0, "MeteringMode", NULL },
 	{ EXIFTAG_LIGHTSOURCE, 1, 1, TIFF_SHORT, 0, TIFF_SETGET_UINT16, TIFF_SETGET_UNDEFINED, FIELD_CUSTOM, 1, 0, "LightSource", NULL },
 	{ EXIFTAG_FLASH, 1, 1, TIFF_SHORT, 0, TIFF_SETGET_UINT16, TIFF_SETGET_UNDEFINED, FIELD_CUSTOM, 1, 0, "Flash", NULL },
-	{ EXIFTAG_FOCALLENGTH, 1, 1, TIFF_RATIONAL, 0, TIFF_SETGET_FLOAT, TIFF_SETGET_UNDEFINED, FIELD_CUSTOM, 1, 0, "FocalLength", NULL },
+	{ EXIFTAG_FOCALLENGTH, 1, 1, TIFF_RATIONAL, 0, TIFF_SETGET_DOUBLE, TIFF_SETGET_UNDEFINED, FIELD_CUSTOM, 1, 0, "FocalLength", NULL },
 	{ EXIFTAG_SUBJECTAREA, -1, -1, TIFF_SHORT, 0, TIFF_SETGET_C16_UINT16, TIFF_SETGET_UNDEFINED, FIELD_CUSTOM, 1, 1, "SubjectArea", NULL },
 	{ EXIFTAG_MAKERNOTE, -1, -1, TIFF_UNDEFINED, 0, TIFF_SETGET_C16_UINT8, TIFF_SETGET_UNDEFINED, FIELD_CUSTOM, 1, 1, "MakerNote", NULL },
 	{ EXIFTAG_USERCOMMENT, -1, -1, TIFF_UNDEFINED, 0, TIFF_SETGET_C16_UINT8, TIFF_SETGET_UNDEFINED, FIELD_CUSTOM, 1, 1, "UserComment", NULL },
 	{ EXIFTAG_SUBSECTIME, -1, -1, TIFF_ASCII, 0, TIFF_SETGET_ASCII, TIFF_SETGET_UNDEFINED, FIELD_CUSTOM, 1, 0, "SubSecTime", NULL },
 	{ EXIFTAG_SUBSECTIMEORIGINAL, -1, -1, TIFF_ASCII, 0, TIFF_SETGET_ASCII, TIFF_SETGET_UNDEFINED, FIELD_CUSTOM, 1, 0, "SubSecTimeOriginal", NULL },
 	{ EXIFTAG_SUBSECTIMEDIGITIZED, -1, -1, TIFF_ASCII, 0, TIFF_SETGET_ASCII, TIFF_SETGET_UNDEFINED, FIELD_CUSTOM, 1, 0, "SubSecTimeDigitized", NULL },
-	{ EXIFTAG_TEMPERATURE, 1, 1, TIFF_SRATIONAL, 0, TIFF_SETGET_FLOAT, TIFF_SETGET_UNDEFINED, FIELD_CUSTOM, 1, 0, "Temperature", NULL },
-	{ EXIFTAG_HUMIDITY, 1, 1, TIFF_RATIONAL, 0, TIFF_SETGET_FLOAT, TIFF_SETGET_UNDEFINED, FIELD_CUSTOM, 1, 0, "Humidity", NULL },
-	{ EXIFTAG_PRESSURE, 1, 1, TIFF_RATIONAL, 0, TIFF_SETGET_FLOAT, TIFF_SETGET_UNDEFINED, FIELD_CUSTOM, 1, 0, "Pressure", NULL },
-	{ EXIFTAG_WATERDEPTH, 1, 1, TIFF_SRATIONAL, 0, TIFF_SETGET_FLOAT, TIFF_SETGET_UNDEFINED, FIELD_CUSTOM, 1, 0, "WaterDepth", NULL },
-	{ EXIFTAG_ACCELERATION, 1, 1, TIFF_RATIONAL, 0, TIFF_SETGET_FLOAT, TIFF_SETGET_UNDEFINED, FIELD_CUSTOM, 1, 0, "Acceleration", NULL },
-	{ EXIFTAG_CAMERAELEVATIONANGLE, 1, 1, TIFF_SRATIONAL, 0, TIFF_SETGET_FLOAT, TIFF_SETGET_UNDEFINED, FIELD_CUSTOM, 1, 0, "CameraElevationAngle", NULL },
 	{ EXIFTAG_FLASHPIXVERSION, 4, 4, TIFF_UNDEFINED, 0, TIFF_SETGET_C0_UINT8, TIFF_SETGET_UNDEFINED, FIELD_CUSTOM, 1, 0, "FlashpixVersion", NULL },
 	{ EXIFTAG_COLORSPACE, 1, 1, TIFF_SHORT, 0, TIFF_SETGET_UINT16, TIFF_SETGET_UNDEFINED, FIELD_CUSTOM, 1, 0, "ColorSpace", NULL },
 	{ EXIFTAG_PIXELXDIMENSION, 1, 1, TIFF_LONG, 0, TIFF_SETGET_UINT32, TIFF_SETGET_UNDEFINED, FIELD_CUSTOM, 1, 0, "PixelXDimension", NULL },
 	{ EXIFTAG_PIXELYDIMENSION, 1, 1, TIFF_LONG, 0, TIFF_SETGET_UINT32, TIFF_SETGET_UNDEFINED, FIELD_CUSTOM, 1, 0, "PixelYDimension", NULL },
 	{ EXIFTAG_RELATEDSOUNDFILE, 13, 13, TIFF_ASCII, 0, TIFF_SETGET_ASCII, TIFF_SETGET_UNDEFINED, FIELD_CUSTOM, 1, 0, "RelatedSoundFile", NULL },
-	{ EXIFTAG_FLASHENERGY, 1, 1, TIFF_RATIONAL, 0, TIFF_SETGET_FLOAT, TIFF_SETGET_UNDEFINED, FIELD_CUSTOM, 1, 0, "FlashEnergy", NULL },
+	{ EXIFTAG_FLASHENERGY, 1, 1, TIFF_RATIONAL, 0, TIFF_SETGET_DOUBLE, TIFF_SETGET_UNDEFINED, FIELD_CUSTOM, 1, 0, "FlashEnergy", NULL },
 	{ EXIFTAG_SPATIALFREQUENCYRESPONSE, -1, -1, TIFF_UNDEFINED, 0, TIFF_SETGET_C16_UINT8, TIFF_SETGET_UNDEFINED, FIELD_CUSTOM, 1, 1, "SpatialFrequencyResponse", NULL },
-	{ EXIFTAG_FOCALPLANEXRESOLUTION, 1, 1, TIFF_RATIONAL, 0, TIFF_SETGET_FLOAT, TIFF_SETGET_UNDEFINED, FIELD_CUSTOM, 1, 0, "FocalPlaneXResolution", NULL },
-	{ EXIFTAG_FOCALPLANEYRESOLUTION, 1, 1, TIFF_RATIONAL, 0, TIFF_SETGET_FLOAT, TIFF_SETGET_UNDEFINED, FIELD_CUSTOM, 1, 0, "FocalPlaneYResolution", NULL },
+	{ EXIFTAG_FOCALPLANEXRESOLUTION, 1, 1, TIFF_RATIONAL, 0, TIFF_SETGET_DOUBLE, TIFF_SETGET_UNDEFINED, FIELD_CUSTOM, 1, 0, "FocalPlaneXResolution", NULL },
+	{ EXIFTAG_FOCALPLANEYRESOLUTION, 1, 1, TIFF_RATIONAL, 0, TIFF_SETGET_DOUBLE, TIFF_SETGET_UNDEFINED, FIELD_CUSTOM, 1, 0, "FocalPlaneYResolution", NULL },
 	{ EXIFTAG_FOCALPLANERESOLUTIONUNIT, 1, 1, TIFF_SHORT, 0, TIFF_SETGET_UINT16, TIFF_SETGET_UNDEFINED, FIELD_CUSTOM, 1, 0, "FocalPlaneResolutionUnit", NULL },
 	{ EXIFTAG_SUBJECTLOCATION, 2, 2, TIFF_SHORT, 0, TIFF_SETGET_C0_UINT16, TIFF_SETGET_UNDEFINED, FIELD_CUSTOM, 1, 0, "SubjectLocation", NULL },
-	{ EXIFTAG_EXPOSUREINDEX, 1, 1, TIFF_RATIONAL, 0, TIFF_SETGET_FLOAT, TIFF_SETGET_UNDEFINED, FIELD_CUSTOM, 1, 0, "ExposureIndex", NULL },
+	{ EXIFTAG_EXPOSUREINDEX, 1, 1, TIFF_RATIONAL, 0, TIFF_SETGET_DOUBLE, TIFF_SETGET_UNDEFINED, FIELD_CUSTOM, 1, 0, "ExposureIndex", NULL },
 	{ EXIFTAG_SENSINGMETHOD, 1, 1, TIFF_SHORT, 0, TIFF_SETGET_UINT16, TIFF_SETGET_UNDEFINED, FIELD_CUSTOM, 1, 0, "SensingMethod", NULL },
 	{ EXIFTAG_FILESOURCE, 1, 1, TIFF_UNDEFINED, 0, TIFF_SETGET_UINT8, TIFF_SETGET_UNDEFINED, FIELD_CUSTOM, 1, 0, "FileSource", NULL },
 	{ EXIFTAG_SCENETYPE, 1, 1, TIFF_UNDEFINED, 0, TIFF_SETGET_UINT8, TIFF_SETGET_UNDEFINED, FIELD_CUSTOM, 1, 0, "SceneType", NULL },
@@ -300,79 +265,22 @@ exifFields[] = {
 	{ EXIFTAG_CUSTOMRENDERED, 1, 1, TIFF_SHORT, 0, TIFF_SETGET_UINT16, TIFF_SETGET_UNDEFINED, FIELD_CUSTOM, 1, 0, "CustomRendered", NULL },
 	{ EXIFTAG_EXPOSUREMODE, 1, 1, TIFF_SHORT, 0, TIFF_SETGET_UINT16, TIFF_SETGET_UNDEFINED, FIELD_CUSTOM, 1, 0, "ExposureMode", NULL },
 	{ EXIFTAG_WHITEBALANCE, 1, 1, TIFF_SHORT, 0, TIFF_SETGET_UINT16, TIFF_SETGET_UNDEFINED, FIELD_CUSTOM, 1, 0, "WhiteBalance", NULL },
-	{ EXIFTAG_DIGITALZOOMRATIO, 1, 1, TIFF_RATIONAL, 0, TIFF_SETGET_FLOAT, TIFF_SETGET_UNDEFINED, FIELD_CUSTOM, 1, 0, "DigitalZoomRatio", NULL },
+	{ EXIFTAG_DIGITALZOOMRATIO, 1, 1, TIFF_RATIONAL, 0, TIFF_SETGET_DOUBLE, TIFF_SETGET_UNDEFINED, FIELD_CUSTOM, 1, 0, "DigitalZoomRatio", NULL },
 	{ EXIFTAG_FOCALLENGTHIN35MMFILM, 1, 1, TIFF_SHORT, 0, TIFF_SETGET_UINT16, TIFF_SETGET_UNDEFINED, FIELD_CUSTOM, 1, 0, "FocalLengthIn35mmFilm", NULL },
 	{ EXIFTAG_SCENECAPTURETYPE, 1, 1, TIFF_SHORT, 0, TIFF_SETGET_UINT16, TIFF_SETGET_UNDEFINED, FIELD_CUSTOM, 1, 0, "SceneCaptureType", NULL },
-	{ EXIFTAG_GAINCONTROL, 1, 1, TIFF_RATIONAL, 0, TIFF_SETGET_FLOAT, TIFF_SETGET_UNDEFINED, FIELD_CUSTOM, 1, 0, "GainControl", NULL },
+	{ EXIFTAG_GAINCONTROL, 1, 1, TIFF_RATIONAL, 0, TIFF_SETGET_DOUBLE, TIFF_SETGET_UNDEFINED, FIELD_CUSTOM, 1, 0, "GainControl", NULL },
 	{ EXIFTAG_CONTRAST, 1, 1, TIFF_SHORT, 0, TIFF_SETGET_UINT16, TIFF_SETGET_UNDEFINED, FIELD_CUSTOM, 1, 0, "Contrast", NULL },
 	{ EXIFTAG_SATURATION, 1, 1, TIFF_SHORT, 0, TIFF_SETGET_UINT16, TIFF_SETGET_UNDEFINED, FIELD_CUSTOM, 1, 0, "Saturation", NULL },
 	{ EXIFTAG_SHARPNESS, 1, 1, TIFF_SHORT, 0, TIFF_SETGET_UINT16, TIFF_SETGET_UNDEFINED, FIELD_CUSTOM, 1, 0, "Sharpness", NULL },
 	{ EXIFTAG_DEVICESETTINGDESCRIPTION, -1, -1, TIFF_UNDEFINED, 0, TIFF_SETGET_C16_UINT8, TIFF_SETGET_UNDEFINED, FIELD_CUSTOM, 1, 1, "DeviceSettingDescription", NULL },
 	{ EXIFTAG_SUBJECTDISTANCERANGE, 1, 1, TIFF_SHORT, 0, TIFF_SETGET_UINT16, TIFF_SETGET_UNDEFINED, FIELD_CUSTOM, 1, 0, "SubjectDistanceRange", NULL },
-	{ EXIFTAG_IMAGEUNIQUEID, 33, 33, TIFF_ASCII, 0, TIFF_SETGET_ASCII, TIFF_SETGET_UNDEFINED, FIELD_CUSTOM, 1, 0, "ImageUniqueID", NULL },
-	{ EXIFTAG_CAMERAOWNERNAME, -1, -1, TIFF_ASCII, 0, TIFF_SETGET_ASCII, TIFF_SETGET_UNDEFINED, FIELD_CUSTOM, 1, 0, "CameraOwnerName", NULL },
-	{ EXIFTAG_BODYSERIALNUMBER, -1, -1, TIFF_ASCII, 0, TIFF_SETGET_ASCII, TIFF_SETGET_UNDEFINED, FIELD_CUSTOM, 1, 0, "BodySerialNumber", NULL },
-	{ EXIFTAG_LENSSPECIFICATION, 4, 4, TIFF_RATIONAL, 0, TIFF_SETGET_C0_FLOAT, TIFF_SETGET_UNDEFINED, FIELD_CUSTOM, 1, 0, "LensSpecification", NULL },
-	{ EXIFTAG_LENSMAKE, -1, -1, TIFF_ASCII, 0, TIFF_SETGET_ASCII, TIFF_SETGET_UNDEFINED, FIELD_CUSTOM, 1, 0, "LensMake", NULL },
-	{ EXIFTAG_LENSMODEL, -1, -1, TIFF_ASCII, 0, TIFF_SETGET_ASCII, TIFF_SETGET_UNDEFINED, FIELD_CUSTOM, 1, 0, "LensModel", NULL },
-	{ EXIFTAG_LENSSERIALNUMBER, -1, -1, TIFF_ASCII, 0, TIFF_SETGET_ASCII, TIFF_SETGET_UNDEFINED, FIELD_CUSTOM, 1, 0, "LensSerialNumber", NULL },
-	{ EXIFTAG_GAMMA, 1, 1, TIFF_RATIONAL, 0, TIFF_SETGET_FLOAT, TIFF_SETGET_UNDEFINED, FIELD_CUSTOM, 1, 0, "Gamma", NULL },
-	{ EXIFTAG_COMPOSITEIMAGE, 1, 1, TIFF_SHORT, 0, TIFF_SETGET_UINT16, TIFF_SETGET_UNDEFINED, FIELD_CUSTOM, 1, 0, "CompositeImage", NULL },
-	{ EXIFTAG_SOURCEIMAGENUMBEROFCOMPOSITEIMAGE, 2, 2, TIFF_SHORT, 0, TIFF_SETGET_C0_UINT16, TIFF_SETGET_UNDEFINED, FIELD_CUSTOM, 1, 0, "SourceImageNumberOfCompositeImage", NULL },
-	{ EXIFTAG_SOURCEEXPOSURETIMESOFCOMPOSITEIMAGE, -1, -1, TIFF_UNDEFINED, 0, TIFF_SETGET_C16_UINT8, TIFF_SETGET_UNDEFINED, FIELD_CUSTOM, 1, 1, "SourceExposureTimesOfCompositeImage", NULL }
-};
-/*
- * EXIF-GPS tags  (Version 2.31, July 2016; nothing changed for version 2.32 May 2019)
- */
-
-static TIFFField
-gpsFields[] = {
-	/*  For the GPS tag definitions in gpsFields[] the standard definition for Rationals is TIFF_SETGET_DOUBLE and TIFF_SETGET_C0_FLOAT.
-	 *-- ATTENTION: After the upgrade with Rational2Double, the GPSTAG values can now be written and also read in double precision!
-	 *              In order to achieve double precision for GPS tags:
-	 *              Standard definitions for GPSTAG is kept to TIFF_SETGET_DOUBLE 
-	 *              and TIFF_SETGET_C0_FLOAT is changed to TIFF_SETGET_C0_DOUBLE.
-	 */
-	{		GPSTAG_VERSIONID	, 4, 4, 	TIFF_BYTE	, 0, 	TIFF_SETGET_C0_UINT8	, TIFF_SETGET_UINT8	, FIELD_CUSTOM	, 1, 0, 	"VersionID", NULL },
-	{		GPSTAG_LATITUDEREF	, 2, 2,	TIFF_ASCII	, 0, 	TIFF_SETGET_ASCII	, TIFF_SETGET_UNDEFINED	, FIELD_CUSTOM	, 1, 0, 	"LatitudeRef", NULL },
-	{		GPSTAG_LATITUDE	, 3, 3,	TIFF_RATIONAL	, 0, 	TIFF_SETGET_C0_DOUBLE	, TIFF_SETGET_UNDEFINED	, FIELD_CUSTOM	, 1, 0, 	"Latitude", NULL },
-	{		GPSTAG_LONGITUDEREF	, 2, 2,	TIFF_ASCII	, 0, 	TIFF_SETGET_ASCII	, TIFF_SETGET_UNDEFINED	, FIELD_CUSTOM	, 1, 0, 	"LongitudeRef", NULL },
-	{		GPSTAG_LONGITUDE	, 3, 3,	TIFF_RATIONAL	, 0, 	TIFF_SETGET_C0_DOUBLE	, TIFF_SETGET_UNDEFINED	, FIELD_CUSTOM	, 1, 0, 	"Longitude", NULL },
-	{		GPSTAG_ALTITUDEREF	, 1, 1,	TIFF_BYTE	, 0, 	TIFF_SETGET_UINT8	, TIFF_SETGET_UNDEFINED	, FIELD_CUSTOM	, 1, 0, 	"AltitudeRef", NULL },
-	{		GPSTAG_ALTITUDE	, 1, 1,	TIFF_RATIONAL	, 0, 	TIFF_SETGET_DOUBLE	, TIFF_SETGET_UNDEFINED	, FIELD_CUSTOM	, 1, 0, 	"Altitude", NULL },
-	{		GPSTAG_TIMESTAMP	, 3, 3,	TIFF_RATIONAL	, 0, 	TIFF_SETGET_C0_DOUBLE	, TIFF_SETGET_UNDEFINED	, FIELD_CUSTOM	, 1, 0, 	"TimeStamp", NULL },
-	{		GPSTAG_SATELLITES	, -1, -1,	TIFF_ASCII	, 0, 	TIFF_SETGET_ASCII	, TIFF_SETGET_UNDEFINED	, FIELD_CUSTOM	, 1, 0, 	"Satellites", NULL },
-	{		GPSTAG_STATUS	, 2, 2,	TIFF_ASCII	, 0, 	TIFF_SETGET_ASCII	, TIFF_SETGET_UNDEFINED	, FIELD_CUSTOM	, 1, 0, 	"Status", NULL },
-	{		GPSTAG_MEASUREMODE	, 2, 2,	TIFF_ASCII	, 0, 	TIFF_SETGET_ASCII	, TIFF_SETGET_UNDEFINED	, FIELD_CUSTOM	, 1, 0, 	"MeasureMode", NULL },
-	{		GPSTAG_DOP	, 1, 1,	TIFF_RATIONAL	, 0, 	TIFF_SETGET_DOUBLE	, TIFF_SETGET_UNDEFINED	, FIELD_CUSTOM	, 1, 0, 	"DOP", NULL },
-	{		GPSTAG_SPEEDREF	, 2, 2,	TIFF_ASCII	, 0, 	TIFF_SETGET_ASCII	, TIFF_SETGET_UNDEFINED	, FIELD_CUSTOM	, 1, 0, 	"SpeedRef", NULL },
-	{		GPSTAG_SPEED	, 1, 1,	TIFF_RATIONAL	, 0, 	TIFF_SETGET_DOUBLE	, TIFF_SETGET_UNDEFINED	, FIELD_CUSTOM	, 1, 0, 	"Speed", NULL },
-	{		GPSTAG_TRACKREF	, 2, 2,	TIFF_ASCII	, 0, 	TIFF_SETGET_ASCII	, TIFF_SETGET_UNDEFINED	, FIELD_CUSTOM	, 1, 0, 	"TrackRef", NULL },
-	{		GPSTAG_TRACK	, 1, 1,	TIFF_RATIONAL	, 0, 	TIFF_SETGET_DOUBLE	, TIFF_SETGET_UNDEFINED	, FIELD_CUSTOM	, 1, 0, 	"Track", NULL },
-	{		GPSTAG_IMGDIRECTIONREF	, 2, 2,	TIFF_ASCII	, 0, 	TIFF_SETGET_ASCII	, TIFF_SETGET_UNDEFINED	, FIELD_CUSTOM	, 1, 0, 	"ImgDirectionRef", NULL },
-	{		GPSTAG_IMGDIRECTION	, 1, 1,	TIFF_RATIONAL	, 0, 	TIFF_SETGET_DOUBLE	, TIFF_SETGET_UNDEFINED	, FIELD_CUSTOM	, 1, 0, 	"ImgDirection", NULL },
-	{		GPSTAG_MAPDATUM	, -1, -1,	TIFF_ASCII	, 0, 	TIFF_SETGET_ASCII	, TIFF_SETGET_UNDEFINED	, FIELD_CUSTOM	, 1, 0, 	"MapDatum", NULL },
-	{		GPSTAG_DESTLATITUDEREF	, 2, 2,	TIFF_ASCII	, 0, 	TIFF_SETGET_ASCII	, TIFF_SETGET_UNDEFINED	, FIELD_CUSTOM	, 1, 0, 	"DestLatitudeRef", NULL },
-	{		GPSTAG_DESTLATITUDE	, 3, 3,	TIFF_RATIONAL	, 0, 	TIFF_SETGET_C0_DOUBLE	, TIFF_SETGET_UNDEFINED	, FIELD_CUSTOM	, 1, 0, 	"DestLatitude", NULL },
-	{		GPSTAG_DESTLONGITUDEREF	, 2, 2,	TIFF_ASCII	, 0, 	TIFF_SETGET_ASCII	, TIFF_SETGET_UNDEFINED	, FIELD_CUSTOM	, 1, 0, 	"DestLongitudeRef", NULL },
-	{		GPSTAG_DESTLONGITUDE	, 3, 3,	TIFF_RATIONAL	, 0, 	TIFF_SETGET_C0_DOUBLE	, TIFF_SETGET_UNDEFINED	, FIELD_CUSTOM	, 1, 0, 	"DestLongitude", NULL },
-	{		GPSTAG_DESTBEARINGREF	, 2, 2,	TIFF_ASCII	, 0, 	TIFF_SETGET_ASCII	, TIFF_SETGET_UNDEFINED	, FIELD_CUSTOM	, 1, 0, 	"DestBearingRef", NULL },
-	{		GPSTAG_DESTBEARING	, 1, 1,	TIFF_RATIONAL	, 0, 	TIFF_SETGET_DOUBLE	, TIFF_SETGET_UNDEFINED	, FIELD_CUSTOM	, 1, 0, 	"DestBearing", NULL },
-	{		GPSTAG_DESTDISTANCEREF	, 2, 2,	TIFF_ASCII	, 0, 	TIFF_SETGET_ASCII	, TIFF_SETGET_UNDEFINED	, FIELD_CUSTOM	, 1, 0, 	"DestDistanceRef", NULL },
-	{		GPSTAG_DESTDISTANCE	, 1, 1,	TIFF_RATIONAL	, 0, 	TIFF_SETGET_DOUBLE	, TIFF_SETGET_UNDEFINED	, FIELD_CUSTOM	, 1, 0, 	"DestDistance", NULL },
-	{		GPSTAG_PROCESSINGMETHOD	, -1, -1,	TIFF_UNDEFINED	, 0, 	TIFF_SETGET_C16_UINT8	, TIFF_SETGET_UNDEFINED	, FIELD_CUSTOM	, 1, 1, 	"ProcessingMethod", NULL },
-	{		GPSTAG_AREAINFORMATION	, -1, -1,	TIFF_UNDEFINED	, 0, 	TIFF_SETGET_C16_UINT8	, TIFF_SETGET_UNDEFINED	, FIELD_CUSTOM	, 1, 1, 	"AreaInformation", NULL },
-	{		GPSTAG_DATESTAMP	, 11, 11,	TIFF_ASCII	, 0, 	TIFF_SETGET_ASCII	, TIFF_SETGET_UNDEFINED	, FIELD_CUSTOM	, 1, 0, 	"DateStamp", NULL },
-	{		GPSTAG_DIFFERENTIAL	, 1, 1,	TIFF_SHORT	, 0, 	TIFF_SETGET_UINT16	, TIFF_SETGET_UNDEFINED	, FIELD_CUSTOM	, 1, 0, 	"Differential", NULL },
-	{		GPSTAG_GPSHPOSITIONINGERROR	, 1, 1,	TIFF_RATIONAL	, 0, 	TIFF_SETGET_DOUBLE	, TIFF_SETGET_UNDEFINED	, FIELD_CUSTOM	, 1, 0, 	"HorizontalPositioningError", NULL }
+	{ EXIFTAG_IMAGEUNIQUEID, 33, 33, TIFF_ASCII, 0, TIFF_SETGET_ASCII, TIFF_SETGET_UNDEFINED, FIELD_CUSTOM, 1, 0, "ImageUniqueID", NULL }
 };

 static const TIFFFieldArray
 tiffFieldArray = { tfiatImage, 0, TIFFArrayCount(tiffFields), (TIFFField*) tiffFields };
 static const TIFFFieldArray
 exifFieldArray = { tfiatExif, 0, TIFFArrayCount(exifFields), (TIFFField*) exifFields };
-static const TIFFFieldArray
-gpsFieldArray = { tfiatGps, 0, TIFFArrayCount(gpsFields), (TIFFField*) gpsFields };

 /*
 *  We have our own local lfind() equivalent to avoid subtle differences
@@ -405,12 +313,6 @@ _TIFFGetExifFields(void)
 	return(&exifFieldArray);
 }

-const TIFFFieldArray*
-_TIFFGetGpsFields(void)
-{
-	return(&gpsFieldArray);
-}
-
 void
 _TIFFSetupFields(TIFF* tif, const TIFFFieldArray* fieldarray)
 {
@@ -600,82 +502,6 @@ _TIFFDataSize(TIFFDataType type)
 	}
 }

-/*
- * Rational2Double: 
- * Return size of TIFFSetGetFieldType in bytes.
- *
- * XXX: TIFF_RATIONAL values for FIELD_CUSTOM are stored internally as 4-byte float.
- * However, some of them should be stored internally as 8-byte double. 
- * This is now managed by the SetGetField of the tag-definition!
- */
-int
-_TIFFSetGetFieldSize(TIFFSetGetFieldType setgettype)
-{
-	switch (setgettype)
-	{
-		case TIFF_SETGET_UNDEFINED:
-		case TIFF_SETGET_ASCII:
-		case TIFF_SETGET_C0_ASCII:
-		case TIFF_SETGET_C16_ASCII:
-		case TIFF_SETGET_C32_ASCII:
-		case TIFF_SETGET_OTHER:
-		    return 0;
-		case TIFF_SETGET_UINT8:
-		case TIFF_SETGET_SINT8:
-		case TIFF_SETGET_C0_UINT8:
-		case TIFF_SETGET_C0_SINT8:
-		case TIFF_SETGET_C16_UINT8:
-		case TIFF_SETGET_C16_SINT8:
-		case TIFF_SETGET_C32_UINT8:
-		case TIFF_SETGET_C32_SINT8:
-		    return 1;
-		case TIFF_SETGET_UINT16:
-		case TIFF_SETGET_SINT16:
-		case TIFF_SETGET_C0_UINT16:
-		case TIFF_SETGET_C0_SINT16:
-		case TIFF_SETGET_C16_UINT16:
-		case TIFF_SETGET_C16_SINT16:
-		case TIFF_SETGET_C32_UINT16:
-		case TIFF_SETGET_C32_SINT16:
-		    return 2;
-		case TIFF_SETGET_INT:
-		case TIFF_SETGET_UINT32:
-		case TIFF_SETGET_SINT32:
-		case TIFF_SETGET_FLOAT:
-		case TIFF_SETGET_UINT16_PAIR:
-		case TIFF_SETGET_C0_UINT32:
-		case TIFF_SETGET_C0_SINT32:
-		case TIFF_SETGET_C0_FLOAT:
-		case TIFF_SETGET_C16_UINT32:
-		case TIFF_SETGET_C16_SINT32:
-		case TIFF_SETGET_C16_FLOAT:
-		case TIFF_SETGET_C32_UINT32:
-		case TIFF_SETGET_C32_SINT32:
-		case TIFF_SETGET_C32_FLOAT:
-		    return 4;
-		case TIFF_SETGET_UINT64:
-		case TIFF_SETGET_SINT64:
-		case TIFF_SETGET_DOUBLE:
-		case TIFF_SETGET_IFD8:
-		case TIFF_SETGET_C0_UINT64:
-		case TIFF_SETGET_C0_SINT64:
-		case TIFF_SETGET_C0_DOUBLE:
-		case TIFF_SETGET_C0_IFD8:
-		case TIFF_SETGET_C16_UINT64:
-		case TIFF_SETGET_C16_SINT64:
-		case TIFF_SETGET_C16_DOUBLE:
-		case TIFF_SETGET_C16_IFD8:
-		case TIFF_SETGET_C32_UINT64:
-		case TIFF_SETGET_C32_SINT64:
-		case TIFF_SETGET_C32_DOUBLE:
-		case TIFF_SETGET_C32_IFD8:
-		    return 8;
-		default:
-		    return 0;
-	}
-} /*-- _TIFFSetGetFieldSize --- */
-
-
 const TIFFField*
 TIFFFindField(TIFF* tif, uint32 tag, TIFFDataType dt)
 {
@@ -1236,6 +1062,10 @@ _TIFFCheckFieldIsValidForCodec(TIFF *tif, ttag_t tag)
 		if (tag == TIFFTAG_LERC_PARAMETERS)
 		    return 1;
 		break;
+		  case COMPRESSION_WEBP:
+		if (tag == TIFFTAG_PREDICTOR)
+				return 1;
+		break;
 	}
 	return 0;
 }
@@ -73,7 +73,6 @@ typedef struct {
 	int	EOLcnt;			/* count of EOL codes recognized */
 	TIFFFaxFillFunc fill;		/* fill routine */
 	uint32*	runs;			/* b&w runs for current/previous row */
-	uint32	nruns;			/* size of the refruns / curruns arrays */
 	uint32*	refruns;		/* runs for reference line */
 	uint32*	curruns;		/* runs for current line */

@@ -161,9 +160,7 @@ Fax3PreDecode(TIFF* tif, uint16 s)
 	 */
 	sp->bitmap =
 	    TIFFGetBitRevTable(tif->tif_dir.td_fillorder != FILLORDER_LSB2MSB);
-	sp->curruns = sp->runs;
 	if (sp->refruns) {		/* init reference line to white */
-		sp->refruns = sp->runs + sp->nruns;
 		sp->refruns[0] = (uint32) sp->b.rowpixels;
 		sp->refruns[1] = 0;
 	}
@@ -221,12 +218,8 @@ Fax3PrematureEOF(const char* module, TIFF* tif, uint32 line, uint32 a0)

 #define	Nop

-/**
+/*
 * Decode the requested amount of G3 1D-encoded data.
- * @param buf destination buffer
- * @param occ available bytes in destination buffer
- * @param s number of planes (ignored)
- * @returns 1 for success, -1 in case of error
 */
 static int
 Fax3Decode1D(TIFF* tif, uint8* buf, tmsize_t occ, uint16 s)
@@ -307,9 +300,7 @@ Fax3Decode2D(TIFF* tif, uint8* buf, tmsize_t occ, uint16 s)
 		else
 			EXPAND2D(EOF2Da);
 		(*sp->fill)(buf, thisrun, pa, lastx);
-		if (pa < thisrun + sp->nruns) {
-			SETVALUE(0);	/* imaginary change for reference */
-		}
+		SETVALUE(0);		/* imaginary change for reference */
 		SWAP(uint32*, sp->curruns, sp->refruns);
 		buf += sp->b.rowbytes;
 		occ -= sp->b.rowbytes;
@@ -515,7 +506,7 @@ Fax3SetupState(TIFF* tif)
 	int needsRefLine;
 	Fax3CodecState* dsp = (Fax3CodecState*) Fax3State(tif);
 	tmsize_t rowbytes;
-	uint32 rowpixels;
+	uint32 rowpixels, nruns;

 	if (td->td_bitspersample != 1) {
 		TIFFErrorExt(tif->tif_clientdata, module,
@@ -532,13 +523,6 @@ Fax3SetupState(TIFF* tif)
 		rowbytes = TIFFScanlineSize(tif);
 		rowpixels = td->td_imagewidth;
 	}
-	if ((uint64)rowbytes < ((uint64)rowpixels + 7) / 8)
-	{
-		TIFFErrorExt(tif->tif_clientdata, module,
-			"Inconsistent number of bytes per row : rowbytes=%lu rowpixels=%lu",
-			(unsigned long)(rowbytes), (unsigned long)(rowpixels));
-		return (0);
-	}
 	sp->rowbytes = rowbytes;
 	sp->rowpixels = rowpixels;
 	/*
@@ -555,26 +539,26 @@ Fax3SetupState(TIFF* tif)
 	  TIFFroundup and TIFFSafeMultiply return zero on integer overflow
 	*/
 	dsp->runs=(uint32*) NULL;
-	dsp->nruns = TIFFroundup_32(rowpixels,32);
+	nruns = TIFFroundup_32(rowpixels,32);
 	if (needsRefLine) {
-		dsp->nruns = TIFFSafeMultiply(uint32,dsp->nruns,2);
+		nruns = TIFFSafeMultiply(uint32,nruns,2);
 	}
-	if ((dsp->nruns == 0) || (TIFFSafeMultiply(uint32,dsp->nruns,2) == 0)) {
+	if ((nruns == 0) || (TIFFSafeMultiply(uint32,nruns,2) == 0)) {
 		TIFFErrorExt(tif->tif_clientdata, tif->tif_name,
 			     "Row pixels integer overflow (rowpixels %u)",
 			     rowpixels);
 		return (0);
 	}
 	dsp->runs = (uint32*) _TIFFCheckMalloc(tif,
-					       TIFFSafeMultiply(uint32,dsp->nruns,2),
+					       TIFFSafeMultiply(uint32,nruns,2),
 					       sizeof (uint32),
 					       "for Group 3/4 run arrays");
 	if (dsp->runs == NULL)
 		return (0);
-	memset( dsp->runs, 0, TIFFSafeMultiply(uint32,dsp->nruns,2)*sizeof(uint32));
+	memset( dsp->runs, 0, TIFFSafeMultiply(uint32,nruns,2)*sizeof(uint32));
 	dsp->curruns = dsp->runs;
 	if (needsRefLine)
-		dsp->refruns = dsp->runs + dsp->nruns;
+		dsp->refruns = dsp->runs + nruns;
 	else
 		dsp->refruns = NULL;
 	if (td->td_compression == COMPRESSION_CCITTFAX3
@@ -610,19 +594,15 @@ Fax3SetupState(TIFF* tif)
 */

 #define	Fax3FlushBits(tif, sp) {				\
-	if ((tif)->tif_rawcc >= (tif)->tif_rawdatasize) {	\
-		if( !TIFFFlushData1(tif) )			\
-			return 0;				\
-        }							\
+	if ((tif)->tif_rawcc >= (tif)->tif_rawdatasize)		\
+		(void) TIFFFlushData1(tif);			\
 	*(tif)->tif_rawcp++ = (uint8) (sp)->data;		\
 	(tif)->tif_rawcc++;					\
 	(sp)->data = 0, (sp)->bit = 8;				\
 }
 #define	_FlushBits(tif) {					\
-	if ((tif)->tif_rawcc >= (tif)->tif_rawdatasize) {	\
-		if( !TIFFFlushData1(tif) )			\
-			return 0;				\
-        }							\
+	if ((tif)->tif_rawcc >= (tif)->tif_rawdatasize)		\
+		(void) TIFFFlushData1(tif);			\
 	*(tif)->tif_rawcp++ = (uint8) data;		\
 	(tif)->tif_rawcc++;					\
 	data = 0, bit = 8;					\
@@ -647,7 +627,7 @@ static const int _msbmask[9] =
 * the output stream.  Values are
 * assumed to be at most 16 bits.
 */
-static int
+static void
 Fax3PutBits(TIFF* tif, unsigned int bits, unsigned int length)
 {
 	Fax3CodecState* sp = EncoderState(tif);
@@ -658,7 +638,6 @@ Fax3PutBits(TIFF* tif, unsigned int bits, unsigned int length)

 	sp->data = data;
 	sp->bit = bit;
-        return 1;
 }

 /*
@@ -683,7 +662,7 @@ Fax3PutBits(TIFF* tif, unsigned int bits, unsigned int length)
 * appropriate table that holds the make-up and
 * terminating codes is supplied.
 */
-static int
+static void
 putspan(TIFF* tif, int32 span, const tableentry* tab)
 {
 	Fax3CodecState* sp = EncoderState(tif);
@@ -721,8 +700,6 @@ putspan(TIFF* tif, int32 span, const tableentry* tab)

 	sp->data = data;
 	sp->bit = bit;
-
-        return 1;
 }

 /*
@@ -731,7 +708,7 @@ putspan(TIFF* tif, int32 span, const tableentry* tab)
 * here.  We also handle writing the tag bit for the next
 * scanline when doing 2d encoding.
 */
-static int
+static void
 Fax3PutEOL(TIFF* tif)
 {
 	Fax3CodecState* sp = EncoderState(tif);
@@ -765,8 +742,6 @@ Fax3PutEOL(TIFF* tif)

 	sp->data = data;
 	sp->bit = bit;
-
-        return 1;
 }

 /*
@@ -1016,14 +991,12 @@ Fax3Encode1DRow(TIFF* tif, unsigned char* bp, uint32 bits)

 	for (;;) {
 		span = find0span(bp, bs, bits);		/* white span */
-		if( !putspan(tif, span, TIFFFaxWhiteCodes) )
-                    return 0;
+		putspan(tif, span, TIFFFaxWhiteCodes);
 		bs += span;
 		if (bs >= bits)
 			break;
 		span = find1span(bp, bs, bits);		/* black span */
-		if( !putspan(tif, span, TIFFFaxBlackCodes) )
-                    return 0;
+		putspan(tif, span, TIFFFaxBlackCodes);
 		bs += span;
 		if (bs >= bits)
 			break;
@@ -1075,28 +1048,21 @@ Fax3Encode2DRow(TIFF* tif, unsigned char* bp, unsigned char* rp, uint32 bits)
 			          (b1 < a1 && a1 - b1 <= 3U) ? -(int32)(a1 - b1) : 0x7FFFFFFF;
 			if (!(-3 <= d && d <= 3)) {	/* horizontal mode */
 				a2 = finddiff2(bp, a1, bits, PIXEL(bp,a1));
-				if( !putcode(tif, &horizcode) )
-                                    return 0;
+				putcode(tif, &horizcode);
 				if (a0+a1 == 0 || PIXEL(bp, a0) == 0) {
-					if( !putspan(tif, a1-a0, TIFFFaxWhiteCodes) )
-                                            return 0;
-					if( !putspan(tif, a2-a1, TIFFFaxBlackCodes) )
-                                            return 0;
+					putspan(tif, a1-a0, TIFFFaxWhiteCodes);
+					putspan(tif, a2-a1, TIFFFaxBlackCodes);
 				} else {
-					if( !putspan(tif, a1-a0, TIFFFaxBlackCodes) )
-                                            return 0;
-					if( !putspan(tif, a2-a1, TIFFFaxWhiteCodes) )
-                                            return 0;
+					putspan(tif, a1-a0, TIFFFaxBlackCodes);
+					putspan(tif, a2-a1, TIFFFaxWhiteCodes);
 				}
 				a0 = a2;
 			} else {			/* vertical mode */
-				if( !putcode(tif, &vcodes[d+3]) )
-                                    return 0;
+				putcode(tif, &vcodes[d+3]);
 				a0 = a1;
 			}
 		} else {				/* pass mode */
-			if( !putcode(tif, &passcode) )
-                            return 0;
+			putcode(tif, &passcode);
 			a0 = b2;
 		}
 		if (a0 >= bits)
@@ -1125,10 +1091,7 @@ Fax3Encode(TIFF* tif, uint8* bp, tmsize_t cc, uint16 s)
 	}
 	while (cc > 0) {
 		if ((sp->b.mode & FAXMODE_NOEOL) == 0)
-                {
-			if( !Fax3PutEOL(tif) )
-                            return 0;
-                }
+			Fax3PutEOL(tif);
 		if (is2DEncoding(sp)) {
 			if (sp->tag == G3_1D) {
 				if (!Fax3Encode1DRow(tif, bp, sp->b.rowpixels))
@@ -1165,8 +1128,8 @@ Fax3PostEncode(TIFF* tif)
 	return (1);
 }

-static int
-_Fax3Close(TIFF* tif)
+static void
+Fax3Close(TIFF* tif)
 {
 	if ((Fax3State(tif)->mode & FAXMODE_NORTC) == 0 && tif->tif_rawcp) {
 		Fax3CodecState* sp = EncoderState(tif);
@@ -1182,13 +1145,6 @@ _Fax3Close(TIFF* tif)
 			Fax3PutBits(tif, code, length);
 		Fax3FlushBits(tif, sp);
 	}
-	return 1;
-}
-
-static void
-Fax3Close(TIFF* tif)
-{
-    _Fax3Close(tif);
 }

 static void
@@ -1497,13 +1453,6 @@ Fax4Decode(TIFF* tif, uint8* buf, tmsize_t occ, uint16 s)
 		EXPAND2D(EOFG4);
                if (EOLcnt)
                    goto EOFG4;
-		if (((lastx + 7) >> 3) > (int)occ)	/* check for buffer overrun */
-		{
-			TIFFErrorExt(tif->tif_clientdata, module,
-			             "Buffer overrun detected : %d bytes available, %d bits needed",
-			             (int)occ, lastx);
-			return -1;
-		}
 		(*sp->fill)(buf, thisrun, pa, lastx);
 		SETVALUE(0);		/* imaginary change for reference */
 		SWAP(uint32*, sp->curruns, sp->refruns);
@@ -1519,13 +1468,6 @@ Fax4Decode(TIFF* tif, uint8* buf, tmsize_t occ, uint16 s)
                    fputs( "Bad EOFB\n", stderr );
 #endif                
                ClrBits( 13 );
-		if (((lastx + 7) >> 3) > (int)occ)	/* check for buffer overrun */
-		{
-			TIFFErrorExt(tif->tif_clientdata, module,
-			             "Buffer overrun detected : %d bytes available, %d bits needed",
-			             (int)occ, lastx);
-			return -1;
-		}
 		(*sp->fill)(buf, thisrun, pa, lastx);
 		UNCACHE_STATE(tif, sp);
 		return ( sp->line ? 1 : -1);	/* don't error on badly-terminated strips */
@@ -240,11 +240,6 @@ static const char* StateNames[] = {
 * current row and reset decoding state.
 */
 #define SETVALUE(x) do {							\
-    if (pa >= thisrun + sp->nruns) {					\
-        TIFFErrorExt(tif->tif_clientdata, module, "Buffer overflow at line %u of %s %u",	\
-                    sp->line, isTiled(tif) ? "tile" : "strip", isTiled(tif) ? tif->tif_curtile : tif->tif_curstrip);	\
-        return (-1);							\
-    }									\
    *pa++ = RunLength + (x);						\
    a0 += (x);								\
    RunLength = 0;							\
@@ -382,11 +377,6 @@ done1d:									\
 */
 #define CHECK_b1 do {							\
    if (pa != thisrun) while (b1 <= a0 && b1 < lastx) {			\
-	if( pb + 1 >= sp->refruns + sp->nruns) { 			\
-	    TIFFErrorExt(tif->tif_clientdata, module, "Buffer overflow at line %u of %s %u",	\
-	                sp->line, isTiled(tif) ? "tile" : "strip", isTiled(tif) ? tif->tif_curtile : tif->tif_curstrip);	\
-	    return (-1);						\
-	}								\
 	b1 += pb[0] + pb[1];						\
 	pb += 2;							\
    }									\
@@ -397,20 +387,10 @@ done1d:									\
 */
 #define EXPAND2D(eoflab) do {						\
    while (a0 < lastx) {						\
-	if (pa >= thisrun + sp->nruns) {				\
-		TIFFErrorExt(tif->tif_clientdata, module, "Buffer overflow at line %u of %s %u",	\
-		             sp->line, isTiled(tif) ? "tile" : "strip", isTiled(tif) ? tif->tif_curtile : tif->tif_curstrip);	\
-		return (-1);						\
-	}								\
 	LOOKUP8(7, TIFFFaxMainTable, eof2d);				\
 	switch (TabEnt->State) {					\
 	case S_Pass:							\
 	    CHECK_b1;							\
-	    if( pb + 1 >= sp->refruns + sp->nruns) { 			\
-	        TIFFErrorExt(tif->tif_clientdata, module, "Buffer overflow at line %u of %s %u",	\
-	                sp->line, isTiled(tif) ? "tile" : "strip", isTiled(tif) ? tif->tif_curtile : tif->tif_curstrip);	\
-	        return (-1);						\
-	    }								\
 	    b1 += *pb++;						\
 	    RunLength += b1 - a0;					\
 	    a0 = b1;							\
@@ -489,28 +469,20 @@ done1d:									\
 	case S_V0:							\
 	    CHECK_b1;							\
 	    SETVALUE(b1 - a0);						\
-	    if( pb >= sp->refruns + sp->nruns) { 			\
-	        TIFFErrorExt(tif->tif_clientdata, module, "Buffer overflow at line %u of %s %u",	\
-	                sp->line, isTiled(tif) ? "tile" : "strip", isTiled(tif) ? tif->tif_curtile : tif->tif_curstrip);	\
-	        return (-1);						\
-	    }								\
 	    b1 += *pb++;						\
 	    break;							\
 	case S_VR:							\
 	    CHECK_b1;							\
 	    SETVALUE(b1 - a0 + TabEnt->Param);				\
-	    if( pb >= sp->refruns + sp->nruns) { 			\
-	        TIFFErrorExt(tif->tif_clientdata, module, "Buffer overflow at line %u of %s %u",	\
-	                sp->line, isTiled(tif) ? "tile" : "strip", isTiled(tif) ? tif->tif_curtile : tif->tif_curstrip);	\
-	        return (-1);						\
-	    }								\
 	    b1 += *pb++;						\
 	    break;							\
 	case S_VL:							\
 	    CHECK_b1;							\
-	    if (b1 < (int) (a0 + TabEnt->Param)) {			\
-		unexpected("VL", a0);				\
-		goto eol2d;						\
+	    if (b1 <= (int) (a0 + TabEnt->Param)) {			\
+		if (b1 < (int) (a0 + TabEnt->Param) || pa != thisrun) {	\
+		    unexpected("VL", a0);				\
+		    goto eol2d;						\
+		}							\
 	    }								\
 	    SETVALUE(b1 - a0 - TabEnt->Param);				\
 	    b1 -= *--pb;						\
@@ -557,7 +529,6 @@ eol2d:									\
    CLEANUP_RUNS();							\
 } while (0)
 #endif /* _FAX3_ */
-/* vim: set ts=8 sts=4 sw=4 noet: */
 /*
 * Local Variables:
 * mode: c
@@ -1,6 +1,5 @@
 /* WARNING, this file was automatically generated by the
    mkg3states program */
-#include <stdint.h>
 #include "tiff.h"
 #include "tif_fax3.h"
 const TIFFFaxTabEnt TIFFFaxMainTable[128] = {
@@ -45,8 +45,36 @@ TIFFFlush(TIFF* tif)
        && !(tif->tif_flags & TIFF_DIRTYDIRECT) 
        && tif->tif_mode == O_RDWR )
    {
-        if( TIFFForceStrileArrayWriting(tif) )
-            return 1;
+        uint64  *offsets=NULL, *sizes=NULL;
+
+        if( TIFFIsTiled(tif) )
+        {
+            if( TIFFGetField( tif, TIFFTAG_TILEOFFSETS, &offsets ) 
+                && TIFFGetField( tif, TIFFTAG_TILEBYTECOUNTS, &sizes ) 
+                && _TIFFRewriteField( tif, TIFFTAG_TILEOFFSETS, TIFF_LONG8, 
+                                      tif->tif_dir.td_nstrips, offsets )
+                && _TIFFRewriteField( tif, TIFFTAG_TILEBYTECOUNTS, TIFF_LONG8, 
+                                      tif->tif_dir.td_nstrips, sizes ) )
+            {
+                tif->tif_flags &= ~TIFF_DIRTYSTRIP;
+                tif->tif_flags &= ~TIFF_BEENWRITING;
+                return 1;
+            }
+        }
+        else
+        {
+            if( TIFFGetField( tif, TIFFTAG_STRIPOFFSETS, &offsets ) 
+                && TIFFGetField( tif, TIFFTAG_STRIPBYTECOUNTS, &sizes ) 
+                && _TIFFRewriteField( tif, TIFFTAG_STRIPOFFSETS, TIFF_LONG8, 
+                                      tif->tif_dir.td_nstrips, offsets )
+                && _TIFFRewriteField( tif, TIFFTAG_STRIPBYTECOUNTS, TIFF_LONG8, 
+                                      tif->tif_dir.td_nstrips, sizes ) )
+            {
+                tif->tif_flags &= ~TIFF_DIRTYSTRIP;
+                tif->tif_flags &= ~TIFF_BEENWRITING;
+                return 1;
+            }
+        }
    }

    if ((tif->tif_flags & (TIFF_DIRTYDIRECT|TIFF_DIRTYSTRIP)) 
@@ -56,92 +84,6 @@ TIFFFlush(TIFF* tif)
    return (1);
 }

-/*
- * This is an advanced writing function that must be used in a particular
- * sequence, and together with TIFFDeferStrileArrayWriting(),
- * to make its intended effect. Its aim is to force the writing of
- * the [Strip/Tile][Offsets/ByteCounts] arrays at the end of the file, when
- * they have not yet been rewritten.
- *
- * The typical sequence of calls is:
- * TIFFOpen()
- * [ TIFFCreateDirectory(tif) ]
- * Set fields with calls to TIFFSetField(tif, ...)
- * TIFFDeferStrileArrayWriting(tif)
- * TIFFWriteCheck(tif, ...)
- * TIFFWriteDirectory(tif)
- * ... potentially create other directories and come back to the above directory
- * TIFFForceStrileArrayWriting(tif)
- *
- * Returns 1 in case of success, 0 otherwise.
- */
-int TIFFForceStrileArrayWriting(TIFF* tif)
-{
-    static const char module[] = "TIFFForceStrileArrayWriting";
-    const int isTiled = TIFFIsTiled(tif);
-
-    if (tif->tif_mode == O_RDONLY)
-    {
-        TIFFErrorExt(tif->tif_clientdata, tif->tif_name,
-                     "File opened in read-only mode");
-        return 0;
-    }
-    if( tif->tif_diroff == 0 )
-    {
-        TIFFErrorExt(tif->tif_clientdata, module,
-                     "Directory has not yet been written");
-        return 0;
-    }
-    if( (tif->tif_flags & TIFF_DIRTYDIRECT) != 0 )
-    {
-        TIFFErrorExt(tif->tif_clientdata, module,
-                     "Directory has changes other than the strile arrays. "
-                     "TIFFRewriteDirectory() should be called instead");
-        return 0;
-    }
-
-    if( !(tif->tif_flags & TIFF_DIRTYSTRIP) )
-    {
-        if( !(tif->tif_dir.td_stripoffset_entry.tdir_tag != 0 &&
-             tif->tif_dir.td_stripoffset_entry.tdir_count == 0 &&
-             tif->tif_dir.td_stripoffset_entry.tdir_type == 0 &&
-             tif->tif_dir.td_stripoffset_entry.tdir_offset.toff_long8 == 0 &&
-             tif->tif_dir.td_stripbytecount_entry.tdir_tag != 0 &&
-             tif->tif_dir.td_stripbytecount_entry.tdir_count == 0 &&
-             tif->tif_dir.td_stripbytecount_entry.tdir_type == 0 &&
-             tif->tif_dir.td_stripbytecount_entry.tdir_offset.toff_long8 == 0) )
-        {
-            TIFFErrorExt(tif->tif_clientdata, module,
-                        "Function not called together with "
-                        "TIFFDeferStrileArrayWriting()");
-            return 0;
-        }
-
-        if (tif->tif_dir.td_stripoffset_p == NULL && !TIFFSetupStrips(tif))
-            return 0;
-    }
-
-    if( _TIFFRewriteField( tif,
-                           isTiled ? TIFFTAG_TILEOFFSETS :
-                                     TIFFTAG_STRIPOFFSETS,
-                           TIFF_LONG8,
-                           tif->tif_dir.td_nstrips,
-                           tif->tif_dir.td_stripoffset_p )
-        && _TIFFRewriteField( tif,
-                              isTiled ? TIFFTAG_TILEBYTECOUNTS :
-                                        TIFFTAG_STRIPBYTECOUNTS,
-                              TIFF_LONG8,
-                              tif->tif_dir.td_nstrips,
-                              tif->tif_dir.td_stripbytecount_p ) )
-    {
-        tif->tif_flags &= ~TIFF_DIRTYSTRIP;
-        tif->tif_flags &= ~TIFF_BEENWRITING;
-        return 1;
-    }
-
-    return 0;
-}
-
 /*
 * Flush buffered data to the file.
 *
@@ -29,7 +29,6 @@
 */
 #include "tiffiop.h"
 #include <stdio.h>
-#include <limits.h>

 static int gtTileContig(TIFFRGBAImage*, uint32*, uint32, uint32);
 static int gtTileSeparate(TIFFRGBAImage*, uint32*, uint32, uint32);
@@ -646,20 +645,12 @@ gtTileContig(TIFFRGBAImage* img, uint32* raster, uint32 w, uint32 h)

    flip = setorientation(img);
    if (flip & FLIP_VERTICALLY) {
-        if ((tw + w) > INT_MAX) {
-            TIFFErrorExt(tif->tif_clientdata, TIFFFileName(tif), "%s", "unsupported tile size (too wide)");
-            return (0);
-        }
-        y = h - 1;
-        toskew = -(int32)(tw + w);
+	    y = h - 1;
+	    toskew = -(int32)(tw + w);
    }
    else {
-        if (tw > (INT_MAX + w)) {
-            TIFFErrorExt(tif->tif_clientdata, TIFFFileName(tif), "%s", "unsupported tile size (too wide)");
-            return (0);
-        }
-        y = 0;
-        toskew = -(int32)(tw - w);
+	    y = 0;
+	    toskew = -(int32)(tw - w);
    }
     
    /*
@@ -764,8 +755,9 @@ gtTileSeparate(TIFFRGBAImage* img, uint32* raster, uint32 w, uint32 h)
 	uint32 leftmost_tw;

 	tilesize = TIFFTileSize(tif);  
-	bufsize = _TIFFMultiplySSize(tif, alpha?4:3,tilesize, "gtTileSeparate");
+	bufsize = TIFFSafeMultiply(tmsize_t,alpha?4:3,tilesize);
 	if (bufsize == 0) {
+		TIFFErrorExt(tif->tif_clientdata, TIFFFileName(tif), "Integer overflow in %s", "gtTileSeparate");
 		return (0);
 	}

@@ -774,18 +766,10 @@ gtTileSeparate(TIFFRGBAImage* img, uint32* raster, uint32 w, uint32 h)

 	flip = setorientation(img);
 	if (flip & FLIP_VERTICALLY) {
-		if ((tw + w) > INT_MAX) {
-            TIFFErrorExt(tif->tif_clientdata, TIFFFileName(tif), "%s", "unsupported tile size (too wide)");
-            return (0);
-        }
 		y = h - 1;
 		toskew = -(int32)(tw + w);
 	}
 	else {
-		if (tw > (INT_MAX + w)) {
-            TIFFErrorExt(tif->tif_clientdata, TIFFFileName(tif), "%s", "unsupported tile size (too wide)");
-            return (0);
-        }
 		y = 0;
 		toskew = -(int32)(tw - w);
 	}
@@ -953,10 +937,6 @@ gtStripContig(TIFFRGBAImage* img, uint32* raster, uint32 w, uint32 h)

 	flip = setorientation(img);
 	if (flip & FLIP_VERTICALLY) {
-		if ( w > INT_MAX ) {
-        	TIFFErrorExt(tif->tif_clientdata, TIFFFileName(tif), "Width overflow");
-			return (0);
-		}
 		y = h - 1;
 		toskew = -(int32)(w + w);
 	} else {
@@ -970,23 +950,16 @@ gtStripContig(TIFFRGBAImage* img, uint32* raster, uint32 w, uint32 h)
 	fromskew = (w < imagewidth ? imagewidth - w : 0);
 	for (row = 0; row < h; row += nrow)
 	{
-		uint32 temp;
 		rowstoread = rowsperstrip - (row + img->row_offset) % rowsperstrip;
 		nrow = (row + rowstoread > h ? h - row : rowstoread);
 		nrowsub = nrow;
 		if ((nrowsub%subsamplingver)!=0)
 			nrowsub+=subsamplingver-nrowsub%subsamplingver;
-		temp = (row + img->row_offset)%rowsperstrip + nrowsub;
-		if( scanline > 0 && temp > (size_t)(TIFF_TMSIZE_T_MAX / scanline) )
-		{
-			TIFFErrorExt(tif->tif_clientdata, TIFFFileName(tif), "Integer overflow in gtStripContig");
-			return 0;
-		}
 		if (_TIFFReadEncodedStripAndAllocBuffer(tif,
 		    TIFFComputeStrip(tif,row+img->row_offset, 0),
 		    (void**)(&buf),
                    maxstripsize,
-		    temp * scanline)==(tmsize_t)(-1)
+		    ((row + img->row_offset)%rowsperstrip + nrowsub) * scanline)==(tmsize_t)(-1)
 		    && (buf == NULL || img->stoponerr))
 		{
 			ret = 0;
@@ -1046,17 +1019,14 @@ gtStripSeparate(TIFFRGBAImage* img, uint32* raster, uint32 w, uint32 h)
        uint16 colorchannels;

 	stripsize = TIFFStripSize(tif);  
-	bufsize = _TIFFMultiplySSize(tif,alpha?4:3,stripsize, "gtStripSeparate");
+	bufsize = TIFFSafeMultiply(tmsize_t,alpha?4:3,stripsize);
 	if (bufsize == 0) {
+		TIFFErrorExt(tif->tif_clientdata, TIFFFileName(tif), "Integer overflow in %s", "gtStripSeparate");
 		return (0);
 	}

 	flip = setorientation(img);
 	if (flip & FLIP_VERTICALLY) {
-		if ( w > INT_MAX ) {
-        	TIFFErrorExt(tif->tif_clientdata, TIFFFileName(tif), "Width overflow");
-			return (0);
-		}
 		y = h - 1;
 		toskew = -(int32)(w + w);
 	}
@@ -1083,22 +1053,15 @@ gtStripSeparate(TIFFRGBAImage* img, uint32* raster, uint32 w, uint32 h)
 	fromskew = (w < imagewidth ? imagewidth - w : 0);
 	for (row = 0; row < h; row += nrow)
 	{
-                uint32 temp;
 		rowstoread = rowsperstrip - (row + img->row_offset) % rowsperstrip;
 		nrow = (row + rowstoread > h ? h - row : rowstoread);
 		offset_row = row + img->row_offset;
-                temp = (row + img->row_offset)%rowsperstrip + nrow;
-                if( scanline > 0 && temp > (size_t)(TIFF_TMSIZE_T_MAX / scanline) )
-                {
-                        TIFFErrorExt(tif->tif_clientdata, TIFFFileName(tif), "Integer overflow in gtStripSeparate");
-                        return 0;
-                }
                if( buf == NULL )
                {
                    if (_TIFFReadEncodedStripAndAllocBuffer(
                            tif, TIFFComputeStrip(tif, offset_row, 0),
                            (void**) &buf, bufsize,
-                            temp * scanline)==(tmsize_t)(-1)
+                            ((row + img->row_offset)%rowsperstrip + nrow) * scanline)==(tmsize_t)(-1)
                        && (buf == NULL || img->stoponerr))
                    {
                            ret = 0;
@@ -1118,7 +1081,7 @@ gtStripSeparate(TIFFRGBAImage* img, uint32* raster, uint32 w, uint32 h)
                    }
                }
 		else if (TIFFReadEncodedStrip(tif, TIFFComputeStrip(tif, offset_row, 0),
-		    p0, temp * scanline)==(tmsize_t)(-1)
+		    p0, ((row + img->row_offset)%rowsperstrip + nrow) * scanline)==(tmsize_t)(-1)
 		    && img->stoponerr)
 		{
 			ret = 0;
@@ -1126,7 +1089,7 @@ gtStripSeparate(TIFFRGBAImage* img, uint32* raster, uint32 w, uint32 h)
 		}
 		if (colorchannels > 1 
                    && TIFFReadEncodedStrip(tif, TIFFComputeStrip(tif, offset_row, 1),
-                                            p1, temp * scanline) == (tmsize_t)(-1)
+                                            p1, ((row + img->row_offset)%rowsperstrip + nrow) * scanline) == (tmsize_t)(-1)
 		    && img->stoponerr)
 		{
 			ret = 0;
@@ -1134,7 +1097,7 @@ gtStripSeparate(TIFFRGBAImage* img, uint32* raster, uint32 w, uint32 h)
 		}
 		if (colorchannels > 1 
                    && TIFFReadEncodedStrip(tif, TIFFComputeStrip(tif, offset_row, 2),
-                                            p2, temp * scanline) == (tmsize_t)(-1)
+                                            p2, ((row + img->row_offset)%rowsperstrip + nrow) * scanline) == (tmsize_t)(-1)
 		    && img->stoponerr)
 		{
 			ret = 0;
@@ -1143,7 +1106,7 @@ gtStripSeparate(TIFFRGBAImage* img, uint32* raster, uint32 w, uint32 h)
 		if (alpha)
 		{
 			if (TIFFReadEncodedStrip(tif, TIFFComputeStrip(tif, offset_row, colorchannels),
-			    pa, temp * scanline)==(tmsize_t)(-1)
+			    pa, ((row + img->row_offset)%rowsperstrip + nrow) * scanline)==(tmsize_t)(-1)
 			    && img->stoponerr)
 			{
 				ret = 0;
@@ -2994,7 +2957,7 @@ TIFFReadRGBATileExt(TIFF* tif, uint32 col, uint32 row, uint32 * raster, int stop
    if( !TIFFIsTiled( tif ) )
    {
 		TIFFErrorExt(tif->tif_clientdata, TIFFFileName(tif),
-				  "Can't use TIFFReadRGBATile() with striped file.");
+				  "Can't use TIFFReadRGBATile() with stripped file.");
 		return (0);
    }
    
@@ -199,7 +199,6 @@ static int JBIGEncode(TIFF* tif, uint8* buffer, tmsize_t size, uint16 s)

 int TIFFInitJBIG(TIFF* tif, int scheme)
 {
-        (void)scheme;
 	assert(scheme == COMPRESSION_JBIG);

 	/*
@@ -466,8 +466,7 @@ std_empty_output_buffer(j_compress_ptr cinfo)
       }
 #endif

-	if( !TIFFFlushData1(tif) )
-            return FALSE;
+	TIFFFlushData1(tif);
 	sp->dest.next_output_byte = (JOCTET*) tif->tif_rawdata;
 	sp->dest.free_in_buffer = (size_t) tif->tif_rawdatasize;

@@ -781,9 +780,12 @@ JPEGFixupTagsSubsampling(TIFF* tif)
 	 */
 	static const char module[] = "JPEGFixupTagsSubsampling";
 	struct JPEGFixupTagsSubsamplingData m;
-        uint64 fileoffset = TIFFGetStrileOffset(tif, 0);

-        if( fileoffset == 0 )
+        _TIFFFillStriles( tif );
+        
+        if( tif->tif_dir.td_stripbytecount == NULL
+            || tif->tif_dir.td_stripoffset == NULL
+            || tif->tif_dir.td_stripbytecount[0] == 0 )
        {
            /* Do not even try to check if the first strip/tile does not
               yet exist, as occurs when GDAL has created a new NULL file
@@ -802,9 +804,9 @@ JPEGFixupTagsSubsampling(TIFF* tif)
 	}
 	m.buffercurrentbyte=NULL;
 	m.bufferbytesleft=0;
-	m.fileoffset=fileoffset;
+	m.fileoffset=tif->tif_dir.td_stripoffset[0];
 	m.filepositioned=0;
-	m.filebytesleft=TIFFGetStrileByteCount(tif, 0);
+	m.filebytesleft=tif->tif_dir.td_stripbytecount[0];
 	if (!JPEGFixupTagsSubsamplingSec(&m))
 		TIFFWarningExt(tif->tif_clientdata,module,
 		    "Unable to auto-correct subsampling values, likely corrupt JPEG compressed data in first strip/tile; auto-correcting skipped");
@@ -938,10 +940,7 @@ JPEGFixupTagsSubsamplingReadByte(struct JPEGFixupTagsSubsamplingData* data, uint
 			return(0);
 		if (!data->filepositioned)
 		{
-			if (TIFFSeekFile(data->tif,data->fileoffset,SEEK_SET) == (toff_t)-1)
-			{
-			    return 0;
-			}
+			TIFFSeekFile(data->tif,data->fileoffset,SEEK_SET);
 			data->filepositioned=1;
 		}
 		m=data->buffersize;
@@ -1210,37 +1209,35 @@ JPEGPreDecode(TIFF* tif, uint16 s)
            /* store for all coefficients */
            /* See call to jinit_d_coef_controller() from master_selection() */
            /* in libjpeg */
+            toff_t nRequiredMemory = (toff_t)sp->cinfo.d.image_width *
+                                     sp->cinfo.d.image_height *
+                                     sp->cinfo.d.num_components *
+                                     ((td->td_bitspersample+7)/8);
+            /* BLOCK_SMOOTHING_SUPPORTED is generally defined, so we need */
+            /* to replicate the logic of jinit_d_coef_controller() */
+            if( sp->cinfo.d.progressive_mode )
+                nRequiredMemory *= 3;

-            /* 1 MB for regular libjpeg usage */
-            toff_t nRequiredMemory = 1024 * 1024;
+#ifndef TIFF_LIBJPEG_LARGEST_MEM_ALLOC
+#define TIFF_LIBJPEG_LARGEST_MEM_ALLOC (100 * 1024 * 1024)
+#endif

-            for (ci = 0; ci < sp->cinfo.d.num_components; ci++) {
-                const jpeg_component_info *compptr = &(sp->cinfo.d.comp_info[ci]);
-                if( compptr->h_samp_factor > 0 && compptr->v_samp_factor > 0 )
-                {
-                    nRequiredMemory += (toff_t)(
-                        ((compptr->width_in_blocks + compptr->h_samp_factor - 1) / compptr->h_samp_factor)) *
-                        ((compptr->height_in_blocks + compptr->v_samp_factor - 1) / compptr->v_samp_factor) *
-                        sizeof(JBLOCK);
-                }
-            }
-
-            if( sp->cinfo.d.mem->max_memory_to_use > 0 &&
-                nRequiredMemory > (toff_t)(sp->cinfo.d.mem->max_memory_to_use) &&
+            if( nRequiredMemory > TIFF_LIBJPEG_LARGEST_MEM_ALLOC &&
                getenv("LIBTIFF_ALLOW_LARGE_LIBJPEG_MEM_ALLOC") == NULL )
            {
-                TIFFErrorExt(tif->tif_clientdata, module,
-                    "Reading this image would require libjpeg to allocate "
-                    "at least %u bytes. "
-                    "This is disabled since above the %u threshold. "
-                    "You may override this restriction by defining the "
-                    "LIBTIFF_ALLOW_LARGE_LIBJPEG_MEM_ALLOC environment variable, "
-                    "or setting the JPEGMEM environment variable to a value greater "
-                    "or equal to '%uM'",
-                    (unsigned)(nRequiredMemory),
-                    (unsigned)(sp->cinfo.d.mem->max_memory_to_use),
-                    (unsigned)((nRequiredMemory + 1000000 - 1) / 1000000));
-                return 0;
+                    TIFFErrorExt(tif->tif_clientdata, module,
+                        "Reading this strip would require libjpeg to allocate "
+                        "at least %u bytes. "
+                        "This is disabled since above the %u threshold. "
+                        "You may override this restriction by defining the "
+                        "LIBTIFF_ALLOW_LARGE_LIBJPEG_MEM_ALLOC environment variable, "
+                        "or recompile libtiff by defining the "
+                        "TIFF_LIBJPEG_LARGEST_MEM_ALLOC macro to a value greater "
+                        "than %u",
+                        (unsigned)nRequiredMemory,
+                        (unsigned)TIFF_LIBJPEG_LARGEST_MEM_ALLOC,
+                        (unsigned)TIFF_LIBJPEG_LARGEST_MEM_ALLOC);
+                    return (0);
            }
        }

@@ -1569,7 +1566,7 @@ JPEGDecodeRaw(TIFF* tif, uint8* buf, tmsize_t cc, uint16 s)
 					JSAMPLE *outptr = (JSAMPLE*)tmpbuf + clumpoffset;
 #else
 					JSAMPLE *outptr = (JSAMPLE*)buf + clumpoffset;
-					if (cc < (tmsize_t)(clumpoffset + (tmsize_t)samples_per_clump*(clumps_per_line-1) + hsamp)) {
+					if (cc < (tmsize_t) (clumpoffset + samples_per_clump*(clumps_per_line-1) + hsamp)) {
 						TIFFErrorExt(tif->tif_clientdata, "JPEGDecodeRaw",
 							     "application buffer not large enough for all data, possible subsampling issue");
 						return 0;
@@ -2129,8 +2126,8 @@ JPEGEncodeRaw(TIFF* tif, uint8* buf, tmsize_t cc, uint16 s)
 	/* data is expected to be supplied in multiples of a clumpline */
 	/* a clumpline is equivalent to v_sampling desubsampled scanlines */
 	/* TODO: the following calculation of bytesperclumpline, should substitute calculation of sp->bytesperline, except that it is per v_sampling lines */
-	bytesperclumpline = ((((tmsize_t)sp->cinfo.c.image_width+sp->h_sampling-1)/sp->h_sampling)
-			     *((tmsize_t)sp->h_sampling*sp->v_sampling+2)*sp->cinfo.c.data_precision+7)
+	bytesperclumpline = (((sp->cinfo.c.image_width+sp->h_sampling-1)/sp->h_sampling)
+			     *(sp->h_sampling*sp->v_sampling+2)*sp->cinfo.c.data_precision+7)
 			    /8;

 	nrows = ( cc / bytesperclumpline ) * sp->v_sampling;
@@ -2350,7 +2347,7 @@ JPEGVGetField(TIFF* tif, uint32 tag, va_list ap)
 	switch (tag) {
 		case TIFFTAG_JPEGTABLES:
 			*va_arg(ap, uint32*) = sp->jpegtables_length;
-			*va_arg(ap, const void**) = sp->jpegtables;
+			*va_arg(ap, void**) = sp->jpegtables;
 			break;
 		case TIFFTAG_JPEGQUALITY:
 			*va_arg(ap, int*) = sp->jpegquality;
@@ -2485,7 +2482,6 @@ TIFFInitJPEG(TIFF* tif, int scheme)
 {
 	JPEGState* sp;

-        (void)scheme;
 	assert(scheme == COMPRESSION_JPEG);

 	/*
@@ -193,7 +193,6 @@ LogL16Decode(TIFF* tif, uint8* op, tmsize_t occ, uint16 s)
 	tmsize_t cc;
 	int rc;

-        (void)s;
 	assert(s == 0);
 	assert(sp != NULL);

@@ -267,7 +266,6 @@ LogLuvDecode24(TIFF* tif, uint8* op, tmsize_t occ, uint16 s)
 	unsigned char* bp;
 	uint32* tp;

-        (void)s;
 	assert(s == 0);
 	assert(sp != NULL);

@@ -328,7 +326,6 @@ LogLuvDecode32(TIFF* tif, uint8* op, tmsize_t occ, uint16 s)
 	tmsize_t cc;
 	int rc;

-        (void)s;
 	assert(s == 0);
 	sp = DecoderState(tif);
 	assert(sp != NULL);
@@ -450,7 +447,6 @@ LogL16Encode(TIFF* tif, uint8* bp, tmsize_t cc, uint16 s)
 	int rc=0, mask;
 	tmsize_t beg;

-        (void)s;
 	assert(s == 0);
 	assert(sp != NULL);
 	npixels = cc / sp->pixel_size;
@@ -545,7 +541,6 @@ LogLuvEncode24(TIFF* tif, uint8* bp, tmsize_t cc, uint16 s)
 	uint8* op;
 	uint32* tp;

-        (void)s;
 	assert(s == 0);
 	assert(sp != NULL);
 	npixels = cc / sp->pixel_size;
@@ -603,7 +598,6 @@ LogLuvEncode32(TIFF* tif, uint8* bp, tmsize_t cc, uint16 s)
 	int rc=0, mask;
 	tmsize_t beg;

-        (void)s;
 	assert(s == 0);
 	assert(sp != NULL);

@@ -748,7 +742,7 @@ LogLuvEncodeTile(TIFF* tif, uint8* bp, tmsize_t cc, uint16 s)
 #undef exp2  /* Conflict with C'99 function */
 #define exp2(x)		exp(M_LN2*(x))

-static int tiff_itrunc(double x, int m)
+static int itrunc(double x, int m)
 {
    if( m == SGILOGENCODE_NODITHER )
        return (int)x;
@@ -783,9 +777,9 @@ LogL16fromY(double Y, int em)	/* get 16-bit LogL from Y */
 	if (Y <= -1.8371976e19)
 		return (0xffff);
 	if (Y > 5.4136769e-20)
-		return tiff_itrunc(256.*(log2(Y) + 64.), em);
+		return itrunc(256.*(log2(Y) + 64.), em);
 	if (Y < -5.4136769e-20)
-		return (~0x7fff | tiff_itrunc(256.*(log2(-Y) + 64.), em));
+		return (~0x7fff | itrunc(256.*(log2(-Y) + 64.), em));
 	return (0);
 }

@@ -861,7 +855,7 @@ LogL10fromY(double Y, int em)	/* get 10-bit LogL from Y */
 	else if (Y <= .00024283)
 		return (0);
 	else
-		return tiff_itrunc(64.*(log2(Y) + 12.), em);
+		return itrunc(64.*(log2(Y) + 12.), em);
 }

 #define NANGLES		100
@@ -931,12 +925,12 @@ uv_encode(double u, double v, int em)	/* encode (u',v') coordinates */

 	if (v < UV_VSTART)
 		return oog_encode(u, v);
-	vi = tiff_itrunc((v - UV_VSTART)*(1./UV_SQSIZ), em);
+	vi = itrunc((v - UV_VSTART)*(1./UV_SQSIZ), em);
 	if (vi >= UV_NVS)
 		return oog_encode(u, v);
 	if (u < uv_row[vi].ustart)
 		return oog_encode(u, v);
-	ui = tiff_itrunc((u - uv_row[vi].ustart)*(1./UV_SQSIZ), em);
+	ui = itrunc((u - uv_row[vi].ustart)*(1./UV_SQSIZ), em);
 	if (ui >= uv_row[vi].nus)
 		return oog_encode(u, v);

@@ -1105,7 +1099,7 @@ Luv24fromLuv48(LogLuvState* sp, uint8* op, tmsize_t n)
 		else if (sp->encode_meth == SGILOGENCODE_NODITHER)
 			Le = (luv3[0]-3314) >> 2;
 		else
-			Le = tiff_itrunc(.25*(luv3[0]-3314.), sp->encode_meth);
+			Le = itrunc(.25*(luv3[0]-3314.), sp->encode_meth);

 		Ce = uv_encode((luv3[1]+.5)/(1<<15), (luv3[2]+.5)/(1<<15),
 					sp->encode_meth);
@@ -1161,10 +1155,10 @@ LogLuv32fromXYZ(float XYZ[3], int em)
 		v = 9.*XYZ[1] / s;
 	}
 	if (u <= 0.) ue = 0;
-	else ue = tiff_itrunc(UVSCALE*u, em);
+	else ue = itrunc(UVSCALE*u, em);
 	if (ue > 255) ue = 255;
 	if (v <= 0.) ve = 0;
-	else ve = tiff_itrunc(UVSCALE*v, em);
+	else ve = itrunc(UVSCALE*v, em);
 	if (ve > 255) ve = 255;
 					/* combine encodings */
 	return (Le << 16 | ue << 8 | ve);
@@ -1244,8 +1238,8 @@ Luv32fromLuv48(LogLuvState* sp, uint8* op, tmsize_t n)
 	}
 	while (n-- > 0) {
 		*luv++ = (uint32)luv3[0] << 16 |
-	(tiff_itrunc(luv3[1]*(UVSCALE/(1<<15)), sp->encode_meth) << 8 & 0xff00) |
-		(tiff_itrunc(luv3[2]*(UVSCALE/(1<<15)), sp->encode_meth) & 0xff);
+	(itrunc(luv3[1]*(UVSCALE/(1<<15)), sp->encode_meth) << 8 & 0xff00) |
+		(itrunc(luv3[2]*(UVSCALE/(1<<15)), sp->encode_meth) & 0xff);
 		luv3 += 3;
 	}
 }
@@ -1275,10 +1269,16 @@ LogL16GuessDataFmt(TIFFDirectory *td)
 	return (SGILOGDATAFMT_UNKNOWN);
 }

+
+#define TIFF_SIZE_T_MAX ((size_t) ~ ((size_t)0))
+#define TIFF_TMSIZE_T_MAX (tmsize_t)(TIFF_SIZE_T_MAX >> 1)
+
 static tmsize_t
 multiply_ms(tmsize_t m1, tmsize_t m2)
 {
-        return _TIFFMultiplySSize(NULL, m1, m2, NULL);
+        if( m1 == 0 || m2 > TIFF_TMSIZE_T_MAX / m1 )
+            return 0;
+        return m1 * m2;
 }

 static int
@@ -1512,7 +1512,7 @@ LogLuvSetupEncode(TIFF* tif)
 	switch (td->td_photometric) {
 	case PHOTOMETRIC_LOGLUV:
 		if (!LogLuvInitState(tif))
-			return (0);
+			break;
 		if (td->td_compression == COMPRESSION_SGILOG24) {
 			tif->tif_encoderow = LogLuvEncode24;
 			switch (sp->user_datafmt) {
@@ -1545,7 +1545,7 @@ LogLuvSetupEncode(TIFF* tif)
 		break;
 	case PHOTOMETRIC_LOGL:
 		if (!LogL16InitState(tif))
-			return (0);
+			break;
 		tif->tif_encoderow = LogL16Encode;  
 		switch (sp->user_datafmt) {
 		case SGILOGDATAFMT_FLOAT:
@@ -1561,7 +1561,7 @@ LogLuvSetupEncode(TIFF* tif)
 		TIFFErrorExt(tif->tif_clientdata, module,
 		    "Inappropriate photometric interpretation %d for SGILog compression; %s",
 		    td->td_photometric, "must be either LogLUV or LogL");
-		return (0);
+		break;
 	}
 	sp->encoder_state = 1;
 	return (1);
@@ -300,8 +300,7 @@ LZMAEncode(TIFF* tif, uint8* bp, tmsize_t cc, uint16 s)
 		}
 		if (sp->stream.avail_out == 0) {
 			tif->tif_rawcc = tif->tif_rawdatasize;
-			if (!TIFFFlushData1(tif))
-				return 0;
+			TIFFFlushData1(tif);
 			sp->stream.next_out = tif->tif_rawdata;
 			sp->stream.avail_out = (size_t)tif->tif_rawdatasize;  /* this is a safe typecast, as check is made already in LZMAPreEncode */
 		}
@@ -329,8 +328,7 @@ LZMAPostEncode(TIFF* tif)
 			if ((tmsize_t)sp->stream.avail_out != tif->tif_rawdatasize) {
 				tif->tif_rawcc =
 					tif->tif_rawdatasize - sp->stream.avail_out;
-				if (!TIFFFlushData1(tif))
-					return 0;
+				TIFFFlushData1(tif);
 				sp->stream.next_out = tif->tif_rawdata;
 				sp->stream.avail_out = (size_t)tif->tif_rawdatasize;  /* this is a safe typecast, as check is made already in ZIPPreEncode */
 			}
@@ -420,7 +418,6 @@ TIFFInitLZMA(TIFF* tif, int scheme)
 	LZMAState* sp;
 	lzma_stream tmp_stream = LZMA_STREAM_INIT;

-        (void)scheme;
 	assert( scheme == COMPRESSION_LZMA );

 	/*
@@ -214,16 +214,19 @@ LZWSetupDecode(TIFF* tif)
 			return (0);
 		}

-		sp = DecoderState(tif);
-		sp->dec_codetab = NULL;
-		sp->dec_decode = NULL;
+		DecoderState(tif)->dec_codetab = NULL;
+		DecoderState(tif)->dec_decode = NULL;

 		/*
 		 * Setup predictor setup.
 		 */
 		(void) TIFFPredictorInit(tif);
+
+		sp = DecoderState(tif);
 	}

+	assert(sp != NULL);
+
 	if (sp->dec_codetab == NULL) {
 		sp->dec_codetab = (code_t*)_TIFFmalloc(CSIZE*sizeof (code_t));
 		if (sp->dec_codetab == NULL) {
@@ -1158,7 +1161,6 @@ int
 TIFFInitLZW(TIFF* tif, int scheme)
 {
 	static const char module[] = "TIFFInitLZW";
-        (void)scheme;
 	assert(scheme == COMPRESSION_LZW);
 	/*
 	 * Allocate state block so tag methods have storage to record values.
@@ -1216,7 +1218,7 @@ bad:
 * from this software without specific prior written permission.
 * THIS SOFTWARE IS PROVIDED ``AS IS'' AND WITHOUT ANY EXPRESS OR
 * IMPLIED WARRANTIES, INCLUDING, WITHOUT LIMITATION, THE IMPLIED
- * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE.
+ * WARRANTIES OF MERCHANTIBILITY AND FITNESS FOR A PARTICULAR PURPOSE.
 */
 #endif /* LZW_SUPPORT */

@@ -74,7 +74,7 @@
   or errors, up to the point where either these values are read, or it's clear they
   aren't there. This means that some of the data is read twice, but we feel speed
   in correcting these values is important enough to warrant this sacrifice. Although
-   there is currently no define or other configuration mechanism to disable this behavior,
+   there is currently no define or other configuration mechanism to disable this behaviour,
   the actual header scanning is build to robustly respond with error report if it
   should encounter an uncorrected mismatch of subsampling values. See
   OJPEGReadHeaderInfoSecStreamSof.
@@ -243,7 +243,6 @@ typedef enum {
 typedef struct {
 	TIFF* tif;
        int decoder_ok;
-        int error_in_raw_data_decoding;
 	#ifndef LIBJPEG_ENCAP_EXTERNAL
 	JMP_BUF exit_jmpbuf;
 	#endif
@@ -421,7 +420,6 @@ TIFFInitOJPEG(TIFF* tif, int scheme)
 	static const char module[]="TIFFInitOJPEG";
 	OJPEGState* sp;

-        (void)scheme;
 	assert(scheme==COMPRESSION_OJPEG);

        /*
@@ -499,15 +497,15 @@ OJPEGVGetField(TIFF* tif, uint32 tag, va_list ap)
 			break;
 		case TIFFTAG_JPEGQTABLES:
 			*va_arg(ap,uint32*)=(uint32)sp->qtable_offset_count;
-			*va_arg(ap,const void**)=(const void*)sp->qtable_offset;
+			*va_arg(ap,void**)=(void*)sp->qtable_offset; 
 			break;
 		case TIFFTAG_JPEGDCTABLES:
 			*va_arg(ap,uint32*)=(uint32)sp->dctable_offset_count;
-			*va_arg(ap,const void**)=(const void*)sp->dctable_offset;
+			*va_arg(ap,void**)=(void*)sp->dctable_offset;  
 			break;
 		case TIFFTAG_JPEGACTABLES:
 			*va_arg(ap,uint32*)=(uint32)sp->actable_offset_count;
-			*va_arg(ap,const void**)=(const void*)sp->actable_offset;
+			*va_arg(ap,void**)=(void*)sp->actable_offset;
 			break;
 		case TIFFTAG_JPEGPROC:
 			*va_arg(ap,uint16*)=(uint16)sp->jpeg_proc;
@@ -659,7 +657,7 @@ static int
 OJPEGSetupDecode(TIFF* tif)
 {
 	static const char module[]="OJPEGSetupDecode";
-	TIFFWarningExt(tif->tif_clientdata,module,"Deprecated and troublesome old-style JPEG compression mode, please convert to new-style JPEG compression and notify vendor of writing software");
+	TIFFWarningExt(tif->tif_clientdata,module,"Depreciated and troublesome old-style JPEG compression mode, please convert to new-style JPEG compression and notify vendor of writing software");
 	return(1);
 }

@@ -680,7 +678,7 @@ OJPEGPreDecode(TIFF* tif, uint16 s)
 		if (OJPEGReadSecondarySos(tif,s)==0)
 			return(0);
 	}
-	if (isTiled(tif))
+	if isTiled(tif)
 		m=tif->tif_curtile;
 	else
 		m=tif->tif_curstrip;
@@ -744,7 +742,6 @@ OJPEGPreDecodeSkipRaw(TIFF* tif)
 		}
 		m-=sp->subsampling_convert_clines-sp->subsampling_convert_state;
 		sp->subsampling_convert_state=0;
-                sp->error_in_raw_data_decoding=0;
 	}
 	while (m>=sp->subsampling_convert_clines)
 	{
@@ -795,10 +792,6 @@ OJPEGDecode(TIFF* tif, uint8* buf, tmsize_t cc, uint16 s)
            TIFFErrorExt(tif->tif_clientdata,module,"Cannot decode: decoder not correctly initialized");
            return 0;
        }
-        if( sp->error_in_raw_data_decoding )
-        {
-            return 0;
-        }
 	if (sp->libjpeg_jpeg_query_style==0)
 	{
 		if (OJPEGDecodeRaw(tif,buf,cc)==0)
@@ -839,10 +832,7 @@ OJPEGDecodeRaw(TIFF* tif, uint8* buf, tmsize_t cc)
 		if (sp->subsampling_convert_state==0)
 		{
 			if (jpeg_read_raw_data_encap(sp,&(sp->libjpeg_jpeg_decompress_struct),sp->subsampling_convert_ycbcrimage,sp->subsampling_ver*8)==0)
-			{
-				sp->error_in_raw_data_decoding = 1;
 				return(0);
-			}
 		}
 		oy=sp->subsampling_convert_ybuf+sp->subsampling_convert_state*sp->subsampling_ver*sp->subsampling_convert_ylinelen;
 		ocb=sp->subsampling_convert_cbbuf+sp->subsampling_convert_state*sp->subsampling_convert_clinelen;
@@ -1000,6 +990,7 @@ OJPEGSubsamplingCorrect(TIFF* tif)
 	OJPEGState* sp=(OJPEGState*)tif->tif_data;
 	uint8 mh;
 	uint8 mv;
+        _TIFFFillStriles( tif );
        
 	assert(sp->subsamplingcorrect_done==0);
 	if ((tif->tif_dir.td_samplesperpixel!=3) || ((tif->tif_dir.td_photometric!=PHOTOMETRIC_YCBCR) &&
@@ -1055,7 +1046,7 @@ OJPEGReadHeaderInfo(TIFF* tif)
 	assert(sp->readheader_done==0);
 	sp->image_width=tif->tif_dir.td_imagewidth;
 	sp->image_length=tif->tif_dir.td_imagelength;
-	if (isTiled(tif))
+	if isTiled(tif)
 	{
 		sp->strile_width=tif->tif_dir.td_tilewidth;
 		sp->strile_length=tif->tif_dir.td_tilelength;
@@ -1065,8 +1056,6 @@ OJPEGReadHeaderInfo(TIFF* tif)
 	{
 		sp->strile_width=sp->image_width;
 		sp->strile_length=tif->tif_dir.td_rowsperstrip;
-                if( sp->strile_length == (uint32)-1 )
-                    sp->strile_length = sp->image_length;
 		sp->strile_length_total=sp->image_length;
 	}
 	if (tif->tif_dir.td_samplesperpixel==1)
@@ -1093,12 +1082,6 @@ OJPEGReadHeaderInfo(TIFF* tif)
 	}
 	if (sp->strile_length<sp->image_length)
 	{
-		if (((sp->subsampling_hor!=1) && (sp->subsampling_hor!=2) && (sp->subsampling_hor!=4)) ||
-		    ((sp->subsampling_ver!=1) && (sp->subsampling_ver!=2) && (sp->subsampling_ver!=4)))
-		{
-			TIFFErrorExt(tif->tif_clientdata,module,"Invalid subsampling values");
-			return(0);
-		}
 		if (sp->strile_length%(sp->subsampling_ver*8)!=0)
 		{
 			TIFFErrorExt(tif->tif_clientdata,module,"Incompatible vertical subsampling and image strip/tile length");
@@ -1214,13 +1197,7 @@ OJPEGWriteHeaderInfo(TIFF* tif)
 			sp->subsampling_convert_ybuflen=sp->subsampling_convert_ylinelen*sp->subsampling_convert_ylines;
 			sp->subsampling_convert_cbuflen=sp->subsampling_convert_clinelen*sp->subsampling_convert_clines;
 			sp->subsampling_convert_ycbcrbuflen=sp->subsampling_convert_ybuflen+2*sp->subsampling_convert_cbuflen;
-                        /* The calloc is not normally necessary, except in some edge/broken cases */
-                        /* for example for a tiled image of height 1 with a tile height of 1 and subsampling_hor=subsampling_ver=2 */
-                        /* In that case, libjpeg will only fill the 8 first lines of the 16 lines */
-                        /* See https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=16844 */
-                        /* Even if this case is allowed (?), its handling is broken because OJPEGPreDecode() should also likely */
-                        /* reset subsampling_convert_state to 0 when changing tile. */
-			sp->subsampling_convert_ycbcrbuf=_TIFFcalloc(1, sp->subsampling_convert_ycbcrbuflen);
+			sp->subsampling_convert_ycbcrbuf=_TIFFmalloc(sp->subsampling_convert_ycbcrbuflen);
 			if (sp->subsampling_convert_ycbcrbuf==0)
 			{
 				TIFFErrorExt(tif->tif_clientdata,module,"Out of memory");
@@ -1246,11 +1223,10 @@ OJPEGWriteHeaderInfo(TIFF* tif)
 				*m++=sp->subsampling_convert_cbbuf+n*sp->subsampling_convert_clinelen;
 			for (n=0; n<sp->subsampling_convert_clines; n++)
 				*m++=sp->subsampling_convert_crbuf+n*sp->subsampling_convert_clinelen;
-			sp->subsampling_convert_clinelenout=sp->strile_width/sp->subsampling_hor + ((sp->strile_width % sp->subsampling_hor) != 0 ? 1 : 0);
+			sp->subsampling_convert_clinelenout=((sp->strile_width+sp->subsampling_hor-1)/sp->subsampling_hor);
 			sp->subsampling_convert_state=0;
-			sp->error_in_raw_data_decoding=0;
 			sp->bytes_per_line=sp->subsampling_convert_clinelenout*(sp->subsampling_ver*sp->subsampling_hor+2);
-			sp->lines_per_strile=sp->strile_length/sp->subsampling_ver + ((sp->strile_length % sp->subsampling_ver) != 0 ? 1 : 0);
+			sp->lines_per_strile=((sp->strile_length+sp->subsampling_ver-1)/sp->subsampling_ver);
 			sp->subsampling_convert_log=1;
 		}
 	}
@@ -1264,26 +1240,6 @@ OJPEGWriteHeaderInfo(TIFF* tif)
 	}
 	if (jpeg_start_decompress_encap(sp,&(sp->libjpeg_jpeg_decompress_struct))==0)
 		return(0);
-        if(sp->libjpeg_jpeg_decompress_struct.image_width != sp->strile_width ) {
-            TIFFErrorExt(tif->tif_clientdata,module,
-                         "jpeg_start_decompress() returned image_width = %d, "
-                         "expected %d",
-                         sp->libjpeg_jpeg_decompress_struct.image_width,
-                         sp->strile_width);
-            return 0;
-        }
-        if(sp->libjpeg_jpeg_decompress_struct.max_h_samp_factor != sp->subsampling_hor ||
-           sp->libjpeg_jpeg_decompress_struct.max_v_samp_factor != sp->subsampling_ver) {
-            TIFFErrorExt(tif->tif_clientdata,module,
-                         "jpeg_start_decompress() returned max_h_samp_factor = %d "
-                         "and max_v_samp_factor = %d, expected %d and %d",
-                         sp->libjpeg_jpeg_decompress_struct.max_h_samp_factor,
-                         sp->libjpeg_jpeg_decompress_struct.max_v_samp_factor,
-                         sp->subsampling_hor,
-                         sp->subsampling_ver);
-            return 0;
-        }
-
 	sp->writeheader_done=1;
 	return(1);
 }
@@ -1316,9 +1272,7 @@ OJPEGReadHeaderInfoSec(TIFF* tif)
 		}
 		else
 		{
-			if ((sp->jpeg_interchange_format_length==0) ||
-                            (sp->jpeg_interchange_format > TIFF_UINT64_MAX - sp->jpeg_interchange_format_length) ||
-                            (sp->jpeg_interchange_format+sp->jpeg_interchange_format_length>sp->file_size))
+			if ((sp->jpeg_interchange_format_length==0) || (sp->jpeg_interchange_format+sp->jpeg_interchange_format_length>sp->file_size))
 				sp->jpeg_interchange_format_length=sp->file_size-sp->jpeg_interchange_format;
 		}
 	}
@@ -2035,30 +1989,32 @@ OJPEGReadBufferFill(OJPEGState* sp)
 				sp->in_buffer_source=osibsStrile;
                                break;
 			case osibsStrile:
+				if (!_TIFFFillStriles( sp->tif ) 
+				    || sp->tif->tif_dir.td_stripoffset == NULL
+				    || sp->tif->tif_dir.td_stripbytecount == NULL)
+					return 0;
+
 				if (sp->in_buffer_next_strile==sp->in_buffer_strile_count)
 					sp->in_buffer_source=osibsEof;
 				else
 				{
-					int err = 0;
-					sp->in_buffer_file_pos=TIFFGetStrileOffsetWithErr(sp->tif, sp->in_buffer_next_strile, &err);
-					if( err )
-						return 0;
+					sp->in_buffer_file_pos=sp->tif->tif_dir.td_stripoffset[sp->in_buffer_next_strile];
 					if (sp->in_buffer_file_pos!=0)
 					{
-						uint64 bytecount = TIFFGetStrileByteCountWithErr(sp->tif, sp->in_buffer_next_strile, &err);
-						if( err )
-							return 0;
 						if (sp->in_buffer_file_pos>=sp->file_size)
 							sp->in_buffer_file_pos=0;
-						else if (bytecount==0)
+						else if (sp->tif->tif_dir.td_stripbytecount==NULL)
 							sp->in_buffer_file_togo=sp->file_size-sp->in_buffer_file_pos;
 						else
 						{
-							sp->in_buffer_file_togo=bytecount;
+							if (sp->tif->tif_dir.td_stripbytecount == 0) {
+								TIFFErrorExt(sp->tif->tif_clientdata,sp->tif->tif_name,"Strip byte counts are missing");
+								return(0);
+							}
+							sp->in_buffer_file_togo=sp->tif->tif_dir.td_stripbytecount[sp->in_buffer_next_strile];
 							if (sp->in_buffer_file_togo==0)
 								sp->in_buffer_file_pos=0;
-							else if (sp->in_buffer_file_pos > TIFF_UINT64_MAX - sp->in_buffer_file_togo || 
-                                                                sp->in_buffer_file_pos+sp->in_buffer_file_togo>sp->file_size)
+							else if (sp->in_buffer_file_pos+sp->in_buffer_file_togo>sp->file_size)
 								sp->in_buffer_file_togo=sp->file_size-sp->in_buffer_file_pos;
 						}
 					}
@@ -104,7 +104,6 @@ TIFFClientOpen(
 		} n;
 		n.a8[0]=1;
 		n.a8[1]=0;
-                (void)n;
 		#ifdef WORDS_BIGENDIAN
 		assert(n.a16==256);
 		#else
@@ -132,7 +131,6 @@ TIFFClientOpen(
 	if (!readproc || !writeproc || !seekproc || !closeproc || !sizeproc) {
 		TIFFErrorExt(clientdata, module,
 		    "One of the client procedures is NULL pointer.");
-		_TIFFfree(tif);
 		goto bad2;
 	}
 	tif->tif_readproc = readproc;
@@ -166,7 +164,7 @@ TIFFClientOpen(
 	/*
 	 * Process library-specific flags in the open mode string.
 	 * The following flags may be used to control intrinsic library
-	 * behavior that may or may not be desirable (usually for
+	 * behaviour that may or may not be desirable (usually for
 	 * compatibility with some application that claims to support
 	 * TIFF but only supports some brain dead idea of what the
 	 * vendor thinks TIFF is):
@@ -183,8 +181,6 @@ TIFFClientOpen(
 	 * 'h' read TIFF header only, do not load the first IFD
 	 * '4' ClassicTIFF for creating a file (default)
 	 * '8' BigTIFF for creating a file
-         * 'D' enable use of deferred strip/tile offset/bytecount array loading.
-         * 'O' on-demand loading of values instead of whole array loading (implies D)
 	 *
 	 * The use of the 'l' and 'b' flags is strongly discouraged.
 	 * These flags are provided solely because numerous vendors,
@@ -207,7 +203,7 @@ TIFFClientOpen(
 	 * not do right now.
 	 *
 	 * The 'M' and 'm' flags are provided because some virtual memory
-	 * systems exhibit poor behavior when large images are mapped.
+	 * systems exhibit poor behaviour when large images are mapped.
 	 * These options permit clients to control the use of memory-mapped
 	 * files on a per-file basis.
 	 *
@@ -266,22 +262,7 @@ TIFFClientOpen(
 				if (m&O_CREAT)
 					tif->tif_flags |= TIFF_BIGTIFF;
 				break;
-			case 'D':
-			        tif->tif_flags |= TIFF_DEFERSTRILELOAD;
-				break;
-			case 'O':
-				if( m == O_RDONLY )
-					tif->tif_flags |= (TIFF_LAZYSTRILELOAD | TIFF_DEFERSTRILELOAD);
-				break;
 		}
-
-#ifdef DEFER_STRILE_LOAD
-        /* Compatibility with old DEFER_STRILE_LOAD compilation flag */
-        /* Probably unneeded, since to the best of my knowledge (E. Rouault) */
-        /* GDAL was the only user of this, and will now use the new 'D' flag */
-        tif->tif_flags |= TIFF_DEFERSTRILELOAD;
-#endif
-
 	/*
 	 * Read in TIFF header.
 	 */
@@ -634,10 +634,16 @@ PixarLogGuessDataFmt(TIFFDirectory *td)
 	return guess;
 }

+#define TIFF_SIZE_T_MAX ((size_t) ~ ((size_t)0))
+#define TIFF_TMSIZE_T_MAX (tmsize_t)(TIFF_SIZE_T_MAX >> 1)
+
 static tmsize_t
 multiply_ms(tmsize_t m1, tmsize_t m2)
 {
-        return _TIFFMultiplySSize(NULL, m1, m2, NULL);
+        assert(m1 >= 0 && m2 >= 0);
+        if( m1 == 0 || m2 > TIFF_TMSIZE_T_MAX / m1 )
+            return 0;
+        return m1 * m2;
 }

 static tmsize_t
@@ -1147,7 +1153,7 @@ PixarLogEncode(TIFF* tif, uint8* bp, tmsize_t cc, uint16 s)

 	llen = sp->stride * td->td_imagewidth;
    /* Check against the number of elements (of size uint16) of sp->tbuf */
-    if( n > ((tmsize_t)td->td_rowsperstrip * llen) )
+    if( n > (tmsize_t)(td->td_rowsperstrip * llen) )
    {
        TIFFErrorExt(tif->tif_clientdata, module,
                     "Too many input bytes provided");
@@ -1200,8 +1206,7 @@ PixarLogEncode(TIFF* tif, uint8* bp, tmsize_t cc, uint16 s)
 		}
 		if (sp->stream.avail_out == 0) {
 			tif->tif_rawcc = tif->tif_rawdatasize;
-			if (!TIFFFlushData1(tif))
-				return 0;
+			TIFFFlushData1(tif);
 			sp->stream.next_out = tif->tif_rawdata;
 			sp->stream.avail_out = (uInt) tif->tif_rawdatasize;  /* this is a safe typecast, as check is made already in PixarLogPreEncode */
 		}
@@ -1231,8 +1236,7 @@ PixarLogPostEncode(TIFF* tif)
 		    if ((tmsize_t)sp->stream.avail_out != tif->tif_rawdatasize) {
 			    tif->tif_rawcc =
 				tif->tif_rawdatasize - sp->stream.avail_out;
-			    if (!TIFFFlushData1(tif))
-                                return 0;
+			    TIFFFlushData1(tif);
 			    sp->stream.next_out = tif->tif_rawdata;
 			    sp->stream.avail_out = (uInt) tif->tif_rawdatasize;  /* this is a safe typecast, as check is made already in PixarLogPreEncode */
 		    }
@@ -1400,7 +1404,6 @@ TIFFInitPixarLog(TIFF* tif, int scheme)

 	PixarLogState* sp;

-        (void)scheme;
 	assert(scheme == COMPRESSION_PIXARLOG);

 	/*
@@ -116,7 +116,7 @@ PredictorSetupDecode(TIFF* tif)
 	TIFFDirectory* td = &tif->tif_dir;

 	/* Note: when PredictorSetup() fails, the effets of setupdecode() */
-	/* will not be "canceled" so setupdecode() might be robust to */
+	/* will not be "cancelled" so setupdecode() might be robust to */
 	/* be called several times. */
 	if (!(*sp->setupdecode)(tif) || !PredictorSetup(tif))
 		return 0;
@@ -270,8 +270,8 @@ PredictorSetupEncode(TIFF* tif)
    }

 /* Remarks related to C standard compliance in all below functions : */
-/* - to avoid any undefined behavior, we only operate on unsigned types */
-/*   since the behavior of "overflows" is defined (wrap over) */
+/* - to avoid any undefined behaviour, we only operate on unsigned types */
+/*   since the behaviour of "overflows" is defined (wrap over) */
 /* - when storing into the byte stream, we explicitly mask with 0xff so */
 /*   as to make icc -check=conversions happy (not necessary by the standard) */

@@ -652,6 +652,8 @@ TIFFPrintDirectory(TIFF* tif, FILE* fd, long flags)
 	if (tif->tif_tagmethods.printdir)
 		(*tif->tif_tagmethods.printdir)(tif, fd, flags);

+        _TIFFFillStriles( tif );
+        
 	if ((flags & TIFFPRINT_STRIPS) &&
 	    TIFFFieldSet(tif,FIELD_STRIPOFFSETS)) {
 		uint32 s;
@@ -663,13 +665,13 @@ TIFFPrintDirectory(TIFF* tif, FILE* fd, long flags)
 #if defined(__WIN32__) && (defined(_MSC_VER) || defined(__MINGW32__))
 			fprintf(fd, "    %3lu: [%8I64u, %8I64u]\n",
 			    (unsigned long) s,
-			    (unsigned __int64) TIFFGetStrileOffset(tif, s),
-			    (unsigned __int64) TIFFGetStrileByteCount(tif, s));
+			    td->td_stripoffset ? (unsigned __int64) td->td_stripoffset[s] : 0,
+			    td->td_stripbytecount ? (unsigned __int64) td->td_stripbytecount[s] : 0);
 #else
 			fprintf(fd, "    %3lu: [%8llu, %8llu]\n",
 			    (unsigned long) s,
-			    (unsigned long long) TIFFGetStrileOffset(tif, s),
-			    (unsigned long long) TIFFGetStrileByteCount(tif, s));
+			    td->td_stripoffset ? (unsigned long long) td->td_stripoffset[s] : 0,
+			    td->td_stripbytecount ? (unsigned long long) td->td_stripbytecount[s] : 0);
 #endif
 	}
 }
@@ -29,6 +29,9 @@
 #include "tiffiop.h"
 #include <stdio.h>

+#define TIFF_SIZE_T_MAX ((size_t) ~ ((size_t)0))
+#define TIFF_TMSIZE_T_MAX (tmsize_t)(TIFF_SIZE_T_MAX >> 1)
+
 int TIFFFillStrip(TIFF* tif, uint32 strip);
 int TIFFFillTile(TIFF* tif, uint32 tile);
 static int TIFFStartStrip(TIFF* tif, uint32 strip);
@@ -46,8 +49,6 @@ TIFFReadRawTile1(TIFF* tif, uint32 tile, void* buf, tmsize_t size, const char* m
 #define THRESHOLD_MULTIPLIER 10
 #define MAX_THRESHOLD (THRESHOLD_MULTIPLIER * THRESHOLD_MULTIPLIER * THRESHOLD_MULTIPLIER * INITIAL_THRESHOLD)

-#define TIFF_INT64_MAX ((((int64)0x7FFFFFFF) << 32) | 0xFFFFFFFF)
-
 /* Read 'size' bytes in tif_rawdata buffer starting at offset 'rawdata_offset'
 * Returns 1 in case of success, 0 otherwise. */
 static int TIFFReadAndRealloc( TIFF* tif, tmsize_t size,
@@ -60,22 +61,6 @@ static int TIFFReadAndRealloc( TIFF* tif, tmsize_t size,
 #endif
        tmsize_t already_read = 0;

-
-#if SIZEOF_SIZE_T != 8
-        /* On 32 bit processes, if the request is large enough, check against */
-        /* file size */
-        if( size > 1000 * 1000 * 1000 )
-        {
-            uint64 filesize = TIFFGetFileSize(tif);
-            if( (uint64)size >= filesize )
-            {
-                TIFFErrorExt(tif->tif_clientdata, module,
-                             "Chunk size requested is larger than file size.");
-                return 0;
-            }
-        }
-#endif
-
        /* On 64 bit processes, read first a maximum of 1 MB, then 10 MB, etc */
        /* so as to avoid allocating too much memory in case the file is too */
        /* short. We could ask for the file size, but this might be */
@@ -190,14 +175,17 @@ TIFFFillStripPartial( TIFF *tif, int strip, tmsize_t read_ahead, int restart )
        tmsize_t to_read;
        tmsize_t read_ahead_mod;
        /* tmsize_t bytecountm; */
-
+        
+        if (!_TIFFFillStriles( tif ) || !tif->tif_dir.td_stripbytecount)
+            return 0;
+        
        /*
         * Expand raw data buffer, if needed, to hold data
         * strip coming from file (perhaps should set upper
         * bound on the size of a buffer we'll use?).
         */

-        /* bytecountm=(tmsize_t) TIFFGetStrileByteCount(tif, strip); */
+        /* bytecountm=(tmsize_t) td->td_stripbytecount[strip]; */

        /* Not completely sure where the * 2 comes from, but probably for */
        /* an exponentional growth strategy of tif_rawdatasize */
@@ -241,7 +229,7 @@ TIFFFillStripPartial( TIFF *tif, int strip, tmsize_t read_ahead, int restart )
        /*
        ** Seek to the point in the file where more data should be read.
        */
-        read_offset = TIFFGetStrileOffset(tif, strip)
+        read_offset = td->td_stripoffset[strip]
                + tif->tif_rawdataoff + tif->tif_rawdataloaded;

        if (!SeekOK(tif, read_offset)) {
@@ -258,10 +246,10 @@ TIFFFillStripPartial( TIFF *tif, int strip, tmsize_t read_ahead, int restart )
                to_read = read_ahead_mod - unused_data;
        else
                to_read = tif->tif_rawdatasize - unused_data;
-        if( (uint64) to_read > TIFFGetStrileByteCount(tif, strip)
+        if( (uint64) to_read > td->td_stripbytecount[strip] 
            - tif->tif_rawdataoff - tif->tif_rawdataloaded )
        {
-                to_read = (tmsize_t) TIFFGetStrileByteCount(tif, strip)
+                to_read = (tmsize_t) td->td_stripbytecount[strip]
                        - tif->tif_rawdataoff - tif->tif_rawdataloaded;
        }

@@ -300,7 +288,7 @@ TIFFFillStripPartial( TIFF *tif, int strip, tmsize_t read_ahead, int restart )
            /* For JPEG, if there are multiple scans (can generally be known */
            /* with the  read_ahead used), we need to read the whole strip */
            if( tif->tif_dir.td_compression==COMPRESSION_JPEG &&
-                (uint64)tif->tif_rawcc < TIFFGetStrileByteCount(tif, strip) )
+                (uint64)tif->tif_rawcc < td->td_stripbytecount[strip] )
            {
                if( TIFFJPEGIsFullStripRequired(tif) )
                {
@@ -359,7 +347,9 @@ TIFFSeek(TIFF* tif, uint32 row, uint16 sample )
         * read it a few lines at a time?
         */
 #if defined(CHUNKY_STRIP_READ_SUPPORT)
-        whole_strip = TIFFGetStrileByteCount(tif, strip) < 10
+        if (!_TIFFFillStriles( tif ) || !tif->tif_dir.td_stripbytecount)
+            return 0;
+        whole_strip = tif->tif_dir.td_stripbytecount[strip] < 10
                || isMapped(tif);
        if( td->td_compression == COMPRESSION_LERC ||
            td->td_compression == COMPRESSION_JBIG )
@@ -412,7 +402,7 @@ TIFFSeek(TIFF* tif, uint32 row, uint16 sample )
        else if( !whole_strip )
        {
                if( ((tif->tif_rawdata + tif->tif_rawdataloaded) - tif->tif_rawcp) < read_ahead 
-                    && (uint64) tif->tif_rawdataoff+tif->tif_rawdataloaded < TIFFGetStrileByteCount(tif, strip) )
+                    && (uint64) tif->tif_rawdataoff+tif->tif_rawdataloaded < td->td_stripbytecount[strip] )
                {
                        if( !TIFFFillStripPartial(tif,strip,read_ahead,0) )
                                return 0;
@@ -609,11 +599,16 @@ static tmsize_t
 TIFFReadRawStrip1(TIFF* tif, uint32 strip, void* buf, tmsize_t size,
    const char* module)
 {
+	TIFFDirectory *td = &tif->tif_dir;
+
+    if (!_TIFFFillStriles( tif ))
+        return ((tmsize_t)(-1));
+        
 	assert((tif->tif_flags&TIFF_NOREADRAW)==0);
 	if (!isMapped(tif)) {
 		tmsize_t cc;

-		if (!SeekOK(tif, TIFFGetStrileOffset(tif, strip))) {
+		if (!SeekOK(tif, td->td_stripoffset[strip])) {
 			TIFFErrorExt(tif->tif_clientdata, module,
 			    "Seek error at scanline %lu, strip %lu",
 			    (unsigned long) tif->tif_row, (unsigned long) strip);
@@ -639,8 +634,8 @@ TIFFReadRawStrip1(TIFF* tif, uint32 strip, void* buf, tmsize_t size,
 	} else {
 		tmsize_t ma = 0;
 		tmsize_t n;
-		if ((TIFFGetStrileOffset(tif, strip) > (uint64)TIFF_TMSIZE_T_MAX)||
-                    ((ma=(tmsize_t)TIFFGetStrileOffset(tif, strip))>tif->tif_size))
+		if ((td->td_stripoffset[strip] > (uint64)TIFF_TMSIZE_T_MAX)||
+                    ((ma=(tmsize_t)td->td_stripoffset[strip])>tif->tif_size))
                {
                    n=0;
                }
@@ -684,10 +679,12 @@ static tmsize_t
 TIFFReadRawStripOrTile2(TIFF* tif, uint32 strip_or_tile, int is_strip,
                        tmsize_t size, const char* module)
 {
+        TIFFDirectory *td = &tif->tif_dir;
+
        assert( !isMapped(tif) );
        assert((tif->tif_flags&TIFF_NOREADRAW)==0);

-        if (!SeekOK(tif, TIFFGetStrileOffset(tif, strip_or_tile))) {
+        if (!SeekOK(tif, td->td_stripoffset[strip_or_tile])) {
            if( is_strip )
            {
                TIFFErrorExt(tif->tif_clientdata, module,
@@ -723,7 +720,7 @@ TIFFReadRawStrip(TIFF* tif, uint32 strip, void* buf, tmsize_t size)
 {
 	static const char module[] = "TIFFReadRawStrip";
 	TIFFDirectory *td = &tif->tif_dir;
-	uint64 bytecount64;
+	uint64 bytecount;
 	tmsize_t bytecountm;

 	if (!TIFFCheckRead(tif, 0))
@@ -741,23 +738,31 @@ TIFFReadRawStrip(TIFF* tif, uint32 strip, void* buf, tmsize_t size)
 		    "Compression scheme does not support access to raw uncompressed data");
 		return ((tmsize_t)(-1));
 	}
-	bytecount64 = TIFFGetStrileByteCount(tif, strip);
-	if (size != (tmsize_t)(-1) && (uint64)size <= bytecount64)
-		bytecountm = size;
-	else
-		bytecountm = _TIFFCastUInt64ToSSize(tif, bytecount64, module);
-	if( bytecountm == 0 ) {
+	bytecount = td->td_stripbytecount[strip];
+	if ((int64)bytecount <= 0) {
+#if defined(__WIN32__) && (defined(_MSC_VER) || defined(__MINGW32__))
+		TIFFErrorExt(tif->tif_clientdata, module,
+			     "%I64u: Invalid strip byte count, strip %lu",
+			     (unsigned __int64) bytecount,
+			     (unsigned long) strip);
+#else
+		TIFFErrorExt(tif->tif_clientdata, module,
+			     "%llu: Invalid strip byte count, strip %lu",
+			     (unsigned long long) bytecount,
+			     (unsigned long) strip);
+#endif
 		return ((tmsize_t)(-1));
 	}
+	bytecountm = (tmsize_t)bytecount;
+	if ((uint64)bytecountm!=bytecount) {
+		TIFFErrorExt(tif->tif_clientdata, module, "Integer overflow");
+		return ((tmsize_t)(-1));
+	}
+	if (size != (tmsize_t)(-1) && size < bytecountm)
+		bytecountm = size;
 	return (TIFFReadRawStrip1(tif, strip, buf, bytecountm, module));
 }

-TIFF_NOSANITIZE_UNSIGNED_INT_OVERFLOW
-static uint64 NoSanitizeSubUInt64(uint64 a, uint64 b)
-{
-    return a - b;
-}
-
 /*
 * Read the specified strip and setup for decoding. The data buffer is
 * expanded, as necessary, to hold the strip's data.
@@ -768,10 +773,13 @@ TIFFFillStrip(TIFF* tif, uint32 strip)
 	static const char module[] = "TIFFFillStrip";
 	TIFFDirectory *td = &tif->tif_dir;

+        if (!_TIFFFillStriles( tif ) || !tif->tif_dir.td_stripbytecount)
+            return 0;
+
 	if ((tif->tif_flags&TIFF_NOREADRAW)==0)
 	{
-		uint64 bytecount = TIFFGetStrileByteCount(tif, strip);
-		if( bytecount == 0 || bytecount > (uint64)TIFF_INT64_MAX ) {
+		uint64 bytecount = td->td_stripbytecount[strip];
+		if ((int64)bytecount <= 0) {
 #if defined(__WIN32__) && (defined(_MSC_VER) || defined(__MINGW32__))
 			TIFFErrorExt(tif->tif_clientdata, module,
 				"Invalid strip byte count %I64u, strip %lu",
@@ -798,7 +806,7 @@ TIFFFillStrip(TIFF* tif, uint32 strip)
 			    (bytecount - 4096) / 10 > (uint64)stripsize  )
 			{
 				uint64 newbytecount = (uint64)stripsize * 10 + 4096;
-				if( newbytecount == 0 || newbytecount > (uint64)TIFF_INT64_MAX )
+				if( (int64)newbytecount >= 0 )
 				{
 #if defined(__WIN32__) && (defined(_MSC_VER) || defined(__MINGW32__))
 					TIFFWarningExt(tif->tif_clientdata, module,
@@ -823,13 +831,13 @@ TIFFFillStrip(TIFF* tif, uint32 strip)
 			 * We must check for overflow, potentially causing
 			 * an OOB read. Instead of simple
 			 *
-			 *  TIFFGetStrileOffset(tif, strip)+bytecount > tif->tif_size
+			 *  td->td_stripoffset[strip]+bytecount > tif->tif_size
 			 *
 			 * comparison (which can overflow) we do the following
 			 * two comparisons:
 			 */
 			if (bytecount > (uint64)tif->tif_size ||
-			    TIFFGetStrileOffset(tif, strip) > (uint64)tif->tif_size - bytecount) {
+			    td->td_stripoffset[strip] > (uint64)tif->tif_size - bytecount) {
 				/*
 				 * This error message might seem strange, but
 				 * it's what would happen if a read were done
@@ -841,7 +849,7 @@ TIFFFillStrip(TIFF* tif, uint32 strip)
 					"Read error on strip %lu; "
 					"got %I64u bytes, expected %I64u",
 					(unsigned long) strip,
-					(unsigned __int64) NoSanitizeSubUInt64(tif->tif_size, TIFFGetStrileOffset(tif, strip)),
+					(unsigned __int64) tif->tif_size - td->td_stripoffset[strip],
 					(unsigned __int64) bytecount);
 #else
 				TIFFErrorExt(tif->tif_clientdata, module,
@@ -849,7 +857,7 @@ TIFFFillStrip(TIFF* tif, uint32 strip)
 					"Read error on strip %lu; "
 					"got %llu bytes, expected %llu",
 					(unsigned long) strip,
-					(unsigned long long) NoSanitizeSubUInt64(tif->tif_size, TIFFGetStrileOffset(tif, strip)),
+					(unsigned long long) tif->tif_size - td->td_stripoffset[strip],
 					(unsigned long long) bytecount);
 #endif
 				tif->tif_curstrip = NOSTRIP;
@@ -878,7 +886,7 @@ TIFFFillStrip(TIFF* tif, uint32 strip)
 			}
 			tif->tif_flags &= ~TIFF_MYBUFFER;
 			tif->tif_rawdatasize = (tmsize_t)bytecount;
-			tif->tif_rawdata = tif->tif_base + (tmsize_t)TIFFGetStrileOffset(tif, strip);
+			tif->tif_rawdata = tif->tif_base + (tmsize_t)td->td_stripoffset[strip];
                        tif->tif_rawdataoff = 0;
                        tif->tif_rawdataloaded = (tmsize_t) bytecount;

@@ -1093,11 +1101,16 @@ _TIFFReadEncodedTileAndAllocBuffer(TIFF* tif, uint32 tile,
 static tmsize_t
 TIFFReadRawTile1(TIFF* tif, uint32 tile, void* buf, tmsize_t size, const char* module)
 {
+	TIFFDirectory *td = &tif->tif_dir;
+
+    if (!_TIFFFillStriles( tif ))
+        return ((tmsize_t)(-1));
+
 	assert((tif->tif_flags&TIFF_NOREADRAW)==0);
 	if (!isMapped(tif)) {
 		tmsize_t cc;

-		if (!SeekOK(tif, TIFFGetStrileOffset(tif, tile))) {
+		if (!SeekOK(tif, td->td_stripoffset[tile])) {
 			TIFFErrorExt(tif->tif_clientdata, module,
 			    "Seek error at row %lu, col %lu, tile %lu",
 			    (unsigned long) tif->tif_row,
@@ -1127,9 +1140,9 @@ TIFFReadRawTile1(TIFF* tif, uint32 tile, void* buf, tmsize_t size, const char* m
 	} else {
 		tmsize_t ma,mb;
 		tmsize_t n;
-		ma=(tmsize_t)TIFFGetStrileOffset(tif, tile);
+		ma=(tmsize_t)td->td_stripoffset[tile];
 		mb=ma+size;
-		if ((TIFFGetStrileOffset(tif, tile) > (uint64)TIFF_TMSIZE_T_MAX)||(ma>tif->tif_size))
+		if ((td->td_stripoffset[tile] > (uint64)TIFF_TMSIZE_T_MAX)||(ma>tif->tif_size))
 			n=0;
 		else if ((mb<ma)||(mb<size)||(mb>tif->tif_size))
 			n=tif->tif_size-ma;
@@ -1185,12 +1198,13 @@ TIFFReadRawTile(TIFF* tif, uint32 tile, void* buf, tmsize_t size)
 		"Compression scheme does not support access to raw uncompressed data");
 		return ((tmsize_t)(-1));
 	}
-	bytecount64 = TIFFGetStrileByteCount(tif, tile);
-	if (size != (tmsize_t)(-1) && (uint64)size <= bytecount64)
-		bytecountm = size;
-	else
-		bytecountm = _TIFFCastUInt64ToSSize(tif, bytecount64, module);
-	if( bytecountm == 0 ) {
+	bytecount64 = td->td_stripbytecount[tile];
+	if (size != (tmsize_t)(-1) && (uint64)size < bytecount64)
+		bytecount64 = (uint64)size;
+	bytecountm = (tmsize_t)bytecount64;
+	if ((uint64)bytecountm!=bytecount64)
+	{
+		TIFFErrorExt(tif->tif_clientdata,module,"Integer overflow");
 		return ((tmsize_t)(-1));
 	}
 	return (TIFFReadRawTile1(tif, tile, buf, bytecountm, module));
@@ -1206,10 +1220,13 @@ TIFFFillTile(TIFF* tif, uint32 tile)
 	static const char module[] = "TIFFFillTile";
 	TIFFDirectory *td = &tif->tif_dir;

+        if (!_TIFFFillStriles( tif ) || !tif->tif_dir.td_stripbytecount)
+            return 0;
+
 	if ((tif->tif_flags&TIFF_NOREADRAW)==0)
 	{
-		uint64 bytecount = TIFFGetStrileByteCount(tif, tile);
-		if( bytecount == 0 || bytecount > (uint64)TIFF_INT64_MAX ) {
+		uint64 bytecount = td->td_stripbytecount[tile];
+		if ((int64)bytecount <= 0) {
 #if defined(__WIN32__) && (defined(_MSC_VER) || defined(__MINGW32__))
 			TIFFErrorExt(tif->tif_clientdata, module,
 				"%I64u: Invalid tile byte count, tile %lu",
@@ -1236,7 +1253,7 @@ TIFFFillTile(TIFF* tif, uint32 tile)
 			    (bytecount - 4096) / 10 > (uint64)stripsize  )
 			{
 				uint64 newbytecount = (uint64)stripsize * 10 + 4096;
-				if( newbytecount == 0 || newbytecount > (uint64)TIFF_INT64_MAX )
+				if( (int64)newbytecount >= 0 )
 				{
 #if defined(__WIN32__) && (defined(_MSC_VER) || defined(__MINGW32__))
 					TIFFWarningExt(tif->tif_clientdata, module,
@@ -1261,13 +1278,13 @@ TIFFFillTile(TIFF* tif, uint32 tile)
 			 * We must check for overflow, potentially causing
 			 * an OOB read. Instead of simple
 			 *
-			 *  TIFFGetStrileOffset(tif, tile)+bytecount > tif->tif_size
+			 *  td->td_stripoffset[tile]+bytecount > tif->tif_size
 			 *
 			 * comparison (which can overflow) we do the following
 			 * two comparisons:
 			 */
 			if (bytecount > (uint64)tif->tif_size ||
-			    TIFFGetStrileOffset(tif, tile) > (uint64)tif->tif_size - bytecount) {
+			    td->td_stripoffset[tile] > (uint64)tif->tif_size - bytecount) {
 				tif->tif_curtile = NOTILE;
 				return (0);
 			}
@@ -1296,7 +1313,7 @@ TIFFFillTile(TIFF* tif, uint32 tile)

 			tif->tif_rawdatasize = (tmsize_t)bytecount;
 			tif->tif_rawdata =
-				tif->tif_base + (tmsize_t)TIFFGetStrileOffset(tif, tile);
+				tif->tif_base + (tmsize_t)td->td_stripoffset[tile];
                        tif->tif_rawdataoff = 0;
                        tif->tif_rawdataloaded = (tmsize_t) bytecount;
 			tif->tif_flags |= TIFF_BUFFERMMAP;
@@ -1423,6 +1440,9 @@ TIFFStartStrip(TIFF* tif, uint32 strip)
 {
 	TIFFDirectory *td = &tif->tif_dir;

+        if (!_TIFFFillStriles( tif ) || !tif->tif_dir.td_stripbytecount)
+            return 0;
+
 	if ((tif->tif_flags & TIFF_CODERSETUP) == 0) {
 		if (!(*tif->tif_setupdecode)(tif))
 			return (0);
@@ -1443,18 +1463,10 @@ TIFFStartStrip(TIFF* tif, uint32 strip)
 		if( tif->tif_rawdataloaded > 0 )
 			tif->tif_rawcc = tif->tif_rawdataloaded;
 		else
-			tif->tif_rawcc = (tmsize_t)TIFFGetStrileByteCount(tif, strip);
+			tif->tif_rawcc = (tmsize_t)td->td_stripbytecount[strip];
 	}
-	if ((*tif->tif_predecode)(tif,
-			(uint16)(strip / td->td_stripsperimage)) == 0 ) {
-            /* Needed for example for scanline access, if tif_predecode */
-            /* fails, and we try to read the same strip again. Without invalidating */
-            /* tif_curstrip, we'd call tif_decoderow() on a possibly invalid */
-            /* codec state. */
-            tif->tif_curstrip = NOSTRIP;
-            return 0;
-        }
-        return 1;
+	return ((*tif->tif_predecode)(tif,
+			(uint16)(strip / td->td_stripsperimage)));
 }

 /*
@@ -1468,6 +1480,9 @@ TIFFStartTile(TIFF* tif, uint32 tile)
 	TIFFDirectory *td = &tif->tif_dir;
        uint32 howmany32;

+        if (!_TIFFFillStriles( tif ) || !tif->tif_dir.td_stripbytecount)
+                return 0;
+
 	if ((tif->tif_flags & TIFF_CODERSETUP) == 0) {
 		if (!(*tif->tif_setupdecode)(tif))
 			return (0);
@@ -1498,7 +1513,7 @@ TIFFStartTile(TIFF* tif, uint32 tile)
 		if( tif->tif_rawdataloaded > 0 )
 			tif->tif_rawcc = tif->tif_rawdataloaded;
 		else
-			tif->tif_rawcc = (tmsize_t)TIFFGetStrileByteCount(tif, tile);
+			tif->tif_rawcc = (tmsize_t)td->td_stripbytecount[tile];
 	}
 	return ((*tif->tif_predecode)(tif,
 			(uint16)(tile/td->td_stripsperimage)));
@@ -1513,100 +1528,13 @@ TIFFCheckRead(TIFF* tif, int tiles)
 	}
 	if (tiles ^ isTiled(tif)) {
 		TIFFErrorExt(tif->tif_clientdata, tif->tif_name, tiles ?
-		    "Can not read tiles from a striped image" :
+		    "Can not read tiles from a stripped image" :
 		    "Can not read scanlines from a tiled image");
 		return (0);
 	}
 	return (1);
 }

-/* Use the provided input buffer (inbuf, insize) and decompress it into
- * (outbuf, outsize).
- * This function replaces the use of TIFFReadEncodedStrip()/TIFFReadEncodedTile()
- * when the user can provide the buffer for the input data, for example when
- * he wants to avoid libtiff to read the strile offset/count values from the
- * [Strip|Tile][Offsets/ByteCounts] array.
- * inbuf content must be writable (if bit reversal is needed)
- * Returns 1 in case of success, 0 otherwise.
- */
-int      TIFFReadFromUserBuffer(TIFF* tif, uint32 strile,
-                                void* inbuf, tmsize_t insize,
-                                void* outbuf, tmsize_t outsize)
-{
-    static const char module[] = "TIFFReadFromUserBuffer";
-    TIFFDirectory *td = &tif->tif_dir;
-    int ret = 1;
-    uint32 old_tif_flags = tif->tif_flags;
-    tmsize_t old_rawdatasize = tif->tif_rawdatasize;
-    void* old_rawdata = tif->tif_rawdata;
-
-    if (tif->tif_mode == O_WRONLY) {
-        TIFFErrorExt(tif->tif_clientdata, tif->tif_name, "File not open for reading");
-        return 0;
-    }
-    if (tif->tif_flags&TIFF_NOREADRAW)
-    {
-        TIFFErrorExt(tif->tif_clientdata, module,
-                "Compression scheme does not support access to raw uncompressed data");
-        return 0;
-    }
-
-    tif->tif_flags &= ~TIFF_MYBUFFER;
-    tif->tif_flags |= TIFF_BUFFERMMAP;
-    tif->tif_rawdatasize = insize;
-    tif->tif_rawdata = inbuf;
-    tif->tif_rawdataoff = 0;
-    tif->tif_rawdataloaded = insize;
-
-    if (!isFillOrder(tif, td->td_fillorder) &&
-        (tif->tif_flags & TIFF_NOBITREV) == 0)
-    {
-        TIFFReverseBits(inbuf, insize);
-    }
-
-    if( TIFFIsTiled(tif) )
-    {
-        if( !TIFFStartTile(tif, strile) ||
-            !(*tif->tif_decodetile)(tif, (uint8*) outbuf, outsize, 
-                                    (uint16)(strile/td->td_stripsperimage)) )
-        {
-            ret = 0;
-        }
-    }
-    else
-    {
-        uint32 rowsperstrip=td->td_rowsperstrip;
-        uint32 stripsperplane;
-        if (rowsperstrip>td->td_imagelength)
-            rowsperstrip=td->td_imagelength;
-        stripsperplane= TIFFhowmany_32_maxuint_compat(td->td_imagelength, rowsperstrip);
-        if( !TIFFStartStrip(tif, strile) ||
-            !(*tif->tif_decodestrip)(tif, (uint8*) outbuf, outsize, 
-                                     (uint16)(strile/stripsperplane)) )
-        {
-            ret = 0;
-        }
-    }
-    if( ret )
-    {
-        (*tif->tif_postdecode)(tif, (uint8*) outbuf, outsize);
-    }
-
-    if (!isFillOrder(tif, td->td_fillorder) &&
-        (tif->tif_flags & TIFF_NOBITREV) == 0)
-    {
-        TIFFReverseBits(inbuf, insize);
-    }
-
-    tif->tif_flags = old_tif_flags;
-    tif->tif_rawdatasize = old_rawdatasize;
-    tif->tif_rawdata = old_rawdata;
-    tif->tif_rawdataoff = 0;
-    tif->tif_rawdataloaded = 0;
-
-    return ret;
-}
-
 void
 _TIFFNoPostDecode(TIFF* tif, uint8* buf, tmsize_t cc)
 {
@@ -129,8 +129,15 @@ TIFFVStripSize(TIFF* tif, uint32 nrows)
 {
 	static const char module[] = "TIFFVStripSize";
 	uint64 m;
+	tmsize_t n;
 	m=TIFFVStripSize64(tif,nrows);
-        return _TIFFCastUInt64ToSSize(tif, m, module);
+	n=(tmsize_t)m;
+	if ((uint64)n!=m)
+	{
+		TIFFErrorExt(tif->tif_clientdata,module,"Integer overflow");
+		n=0;
+	}
+	return(n);
 }

 /*
@@ -140,7 +147,8 @@ uint64
 TIFFRawStripSize64(TIFF* tif, uint32 strip)
 {
 	static const char module[] = "TIFFRawStripSize64";
-	uint64 bytecount = TIFFGetStrileByteCount(tif, strip);
+	TIFFDirectory* td = &tif->tif_dir;
+	uint64 bytecount = td->td_stripbytecount[strip];

 	if (bytecount == 0)
 	{
@@ -203,8 +211,15 @@ TIFFStripSize(TIFF* tif)
 {
 	static const char module[] = "TIFFStripSize";
 	uint64 m;
+	tmsize_t n;
 	m=TIFFStripSize64(tif);
-	return _TIFFCastUInt64ToSSize(tif, m, module);
+	n=(tmsize_t)m;
+	if ((uint64)n!=m)
+	{
+		TIFFErrorExt(tif->tif_clientdata,module,"Integer overflow");
+		n=0;
+	}
+	return(n);
 }

 /*
@@ -315,8 +330,14 @@ TIFFScanlineSize(TIFF* tif)
 {
 	static const char module[] = "TIFFScanlineSize";
 	uint64 m;
+	tmsize_t n;
 	m=TIFFScanlineSize64(tif);
-	return _TIFFCastUInt64ToSSize(tif, m, module);
+	n=(tmsize_t)m;
+	if ((uint64)n!=m) {
+		TIFFErrorExt(tif->tif_clientdata,module,"Integer arithmetic overflow");
+		n=0;
+	}
+	return(n);
 }

 /*
@@ -345,8 +366,15 @@ TIFFRasterScanlineSize(TIFF* tif)
 {
 	static const char module[] = "TIFFRasterScanlineSize";
 	uint64 m;
+	tmsize_t n;
 	m=TIFFRasterScanlineSize64(tif);
-	return _TIFFCastUInt64ToSSize(tif, m, module);
+	n=(tmsize_t)m;
+	if ((uint64)n!=m)
+	{
+		TIFFErrorExt(tif->tif_clientdata,module,"Integer arithmetic overflow");
+		n=0;
+	}
+	return(n);
 }

 /* vim: set ts=8 sts=8 sw=8 noet: */
@@ -122,17 +122,17 @@ ThunderDecode(TIFF* tif, uint8* op, tmsize_t maxpixels)
 			break;
 		case THUNDER_2BITDELTAS:	/* 2-bit deltas */
 			if ((delta = ((n >> 4) & 3)) != DELTA2_SKIP)
-				SETPIXEL(op, (unsigned)((int)lastpixel + twobitdeltas[delta]));
+				SETPIXEL(op, lastpixel + twobitdeltas[delta]);
 			if ((delta = ((n >> 2) & 3)) != DELTA2_SKIP)
-				SETPIXEL(op, (unsigned)((int)lastpixel + twobitdeltas[delta]));
+				SETPIXEL(op, lastpixel + twobitdeltas[delta]);
 			if ((delta = (n & 3)) != DELTA2_SKIP)
-				SETPIXEL(op, (unsigned)((int)lastpixel + twobitdeltas[delta]));
+				SETPIXEL(op, lastpixel + twobitdeltas[delta]);
 			break;
 		case THUNDER_3BITDELTAS:	/* 3-bit deltas */
 			if ((delta = ((n >> 3) & 7)) != DELTA3_SKIP)
-				SETPIXEL(op, (unsigned)((int)lastpixel + threebitdeltas[delta]));
+				SETPIXEL(op, lastpixel + threebitdeltas[delta]);
 			if ((delta = (n & 7)) != DELTA3_SKIP)
-				SETPIXEL(op, (unsigned)((int)lastpixel + threebitdeltas[delta]));
+				SETPIXEL(op, lastpixel + threebitdeltas[delta]);
 			break;
 		case THUNDER_RAW:		/* raw data */
 			SETPIXEL(op, n);
@@ -181,8 +181,15 @@ TIFFTileRowSize(TIFF* tif)
 {
 	static const char module[] = "TIFFTileRowSize";
 	uint64 m;
+	tmsize_t n;
 	m=TIFFTileRowSize64(tif);
-	return _TIFFCastUInt64ToSSize(tif, m, module);
+	n=(tmsize_t)m;
+	if ((uint64)n!=m)
+	{
+		TIFFErrorExt(tif->tif_clientdata,module,"Integer overflow");
+		n=0;
+	}
+	return(n);
 }

 /*
@@ -241,8 +248,15 @@ TIFFVTileSize(TIFF* tif, uint32 nrows)
 {
 	static const char module[] = "TIFFVTileSize";
 	uint64 m;
+	tmsize_t n;
 	m=TIFFVTileSize64(tif,nrows);
-	return _TIFFCastUInt64ToSSize(tif, m, module);
+	n=(tmsize_t)m;
+	if ((uint64)n!=m)
+	{
+		TIFFErrorExt(tif->tif_clientdata,module,"Integer overflow");
+		n=0;
+	}
+	return(n);
 }

 /*
@@ -258,8 +272,15 @@ TIFFTileSize(TIFF* tif)
 {
 	static const char module[] = "TIFFTileSize";
 	uint64 m;
+	tmsize_t n;
 	m=TIFFTileSize64(tif);
-	return _TIFFCastUInt64ToSSize(tif, m, module);
+	n=(tmsize_t)m;
+	if ((uint64)n!=m)
+	{
+		TIFFErrorExt(tif->tif_clientdata,module,"Integer overflow");
+		n=0;
+	}
+	return(n);
 }

 /*
@@ -162,7 +162,7 @@ _tiffMapProc(thandle_t fd, void** pbase, toff_t* psize)
 {
 	uint64 size64 = _tiffSizeProc(fd);
 	tmsize_t sizem = (tmsize_t)size64;
-	if (size64 && (uint64)sizem==size64) {
+	if ((uint64)sizem==size64) {
 		fd_as_handle_union_t fdh;
 		fdh.h = fd;
 		*pbase = (void*)
@@ -267,12 +267,6 @@ TWebPPreDecode(TIFF* tif, uint16 s)
      segment_height = td->td_rowsperstrip;
  }

-  if( segment_width > 16383 || segment_height > 16383 ) {
-      TIFFErrorExt(tif->tif_clientdata, module,
-                   "WEBP maximum image dimensions are 16383 x 16383.");
-      return 0;
-  }
-
  if( (sp->state & LSTATE_INIT_DECODE) == 0 )
      tif->tif_setupdecode(tif);
      
@@ -339,7 +333,7 @@ TWebPSetupEncode(TIFF* tif)
  }
  
  /* check bits per sample and data type */
-  if ((nBitsPerSample != 8) || (sampleFormat != SAMPLEFORMAT_UINT)) {
+  if ((nBitsPerSample != 8) && (sampleFormat != 1)) {
    TIFFErrorExt(tif->tif_clientdata, module,
                "WEBP driver requires 8 bit unsigned data");
    return 0;
@@ -362,7 +356,7 @@ TWebPSetupEncode(TIFF* tif)
  }

  if (!WebPConfigInitInternal(&sp->sEncoderConfig, WEBP_PRESET_DEFAULT,
-                              (float)sp->quality_level,
+                              sp->quality_level,
                              WEBP_ENCODER_ABI_VERSION)) {
    TIFFErrorExt(tif->tif_clientdata, module,
      "Error creating WebP encoder configuration.");
@@ -585,7 +579,7 @@ TWebPVSetField(TIFF* tif, uint32 tag, va_list ap)
    #if WEBP_ENCODER_ABI_VERSION >= 0x0100
    sp->lossless = va_arg(ap, int);
    if (sp->lossless){
-      sp->quality_level = 100;
+      sp->quality_level = 100.0f;      
    }
    return 1;
    #else
@@ -634,7 +628,6 @@ TIFFInitWebP(TIFF* tif, int scheme)
  static const char module[] = "TIFFInitWebP";
  WebPState* sp;

-  (void)scheme;
  assert( scheme == COMPRESSION_WEBP );

  /*
@@ -663,7 +656,7 @@ TIFFInitWebP(TIFF* tif, int scheme)
  tif->tif_tagmethods.vsetfield = TWebPVSetField;	/* hook for codec tags */

  /* Default values for codec-specific fields */
-  sp->quality_level = 75;		/* default comp. level */
+  sp->quality_level = 75.0f;		/* default comp. level */
  sp->lossless = 0; /* default to false */
  sp->state = 0;
  sp->nSamples = 0;
@@ -27,38 +27,34 @@
 * Scott Wagner (wagner@itek.com), Itek Graphix, Rochester, NY USA
 */

+/*
+  CreateFileA/CreateFileW return type 'HANDLE'.
+
+  thandle_t is declared like
+
+    DECLARE_HANDLE(thandle_t);
+
+  in tiffio.h.
+
+  Windows (from winnt.h) DECLARE_HANDLE logic looks like
+
+  #ifdef STRICT
+    typedef void *HANDLE;
+  #define DECLARE_HANDLE(name) struct name##__ { int unused; }; typedef struct name##__ *name
+  #else
+    typedef PVOID HANDLE;
+  #define DECLARE_HANDLE(name) typedef HANDLE name
+  #endif
+
+  See http://bugzilla.maptools.org/show_bug.cgi?id=1941 for problems in WIN64
+  builds resulting from this.  Unfortunately, the proposed patch was lost.
+
+*/
+  
 #include "tiffiop.h"

 #include <windows.h>

-/*
-  CreateFileA/CreateFileW return type 'HANDLE' while TIFFFdOpen() takes 'int',
-  which is formally incompatible and can even seemingly be of different size:
-  HANDLE is 64 bit under Win64, while int is still 32 bits there.
-
-  However, only the lower 32 bits of a HANDLE are significant under Win64 as,
-  for interoperability reasons, they must have the same values in 32- and
-  64-bit programs running on the same system, see
-
-  https://docs.microsoft.com/en-us/windows/win32/winprog64/interprocess-communication
-
-  Because of this, it is safe to define the following trivial functions for
-  casting between ints and HANDLEs, which are only really needed to avoid
-  compiler warnings (and, perhaps, to make the code slightly more clear).
-  Note that using the intermediate cast to "intptr_t" is crucial for warning
-  avoidance, as this integer type has the same size as HANDLE in all builds.
-*/
-
-static inline thandle_t thandle_from_int(int ifd)
-{
-    return (thandle_t)(intptr_t)ifd;
-}
-
-static inline int thandle_to_int(thandle_t fd)
-{
-    return (int)(intptr_t)fd;
-}
-
 static tmsize_t
 _tiffReadProc(thandle_t fd, void* buf, tmsize_t size)
 {
@@ -155,11 +151,9 @@ _tiffCloseProc(thandle_t fd)
 static uint64
 _tiffSizeProc(thandle_t fd)
 {
-	LARGE_INTEGER m;
-	if (GetFileSizeEx(fd,&m))
-		return(m.QuadPart);
-	else
-		return(0);
+	ULARGE_INTEGER m;
+	m.LowPart=GetFileSize(fd,&m.HighPart);
+	return(m.QuadPart);
 }

 static int
@@ -191,7 +185,7 @@ _tiffMapProc(thandle_t fd, void** pbase, toff_t* psize)

 	size = _tiffSizeProc(fd);
 	sizem = (tmsize_t)size;
-	if (!size || (uint64)sizem!=size)
+	if ((uint64)sizem!=size)
 		return (0);

 	/* By passing in 0 for the maximum file size, it specifies that we
@@ -243,7 +237,7 @@ TIFFFdOpen(int ifd, const char* name, const char* mode)
 			break;
 		}
 	}
-	tif = TIFFClientOpen(name, mode, thandle_from_int(ifd),
+	tif = TIFFClientOpen(name, mode, (thandle_t)ifd, /* FIXME: WIN64 cast to pointer warning */
 			_tiffReadProc, _tiffWriteProc,
 			_tiffSeekProc, _tiffCloseProc, _tiffSizeProc,
 			fSuppressMap ? _tiffDummyMapProc : _tiffMapProc,
@@ -288,7 +282,7 @@ TIFFOpen(const char* name, const char* mode)
 		return ((TIFF *)0);
 	}

-	tif = TIFFFdOpen(thandle_to_int(fd), name, mode);
+	tif = TIFFFdOpen((int)fd, name, mode);   /* FIXME: WIN64 cast from pointer to int warning */
 	if(!tif)
 		CloseHandle(fd);
 	return tif;
@@ -343,7 +337,7 @@ TIFFOpenW(const wchar_t* name, const char* mode)
 				    NULL, NULL);
 	}

-	tif = TIFFFdOpen(thandle_to_int(fd),
+	tif = TIFFFdOpen((int)fd,    /* FIXME: WIN64 cast from pointer to int warning */
 			 (mbname != NULL) ? mbname : "<unknown>", mode);
 	if(!tif)
 		CloseHandle(fd);
@@ -128,10 +128,10 @@ TIFFWriteScanline(TIFF* tif, void* buf, uint32 row, uint16 sample)
 		tif->tif_rawcc = 0;
 		tif->tif_rawcp = tif->tif_rawdata;

-		if( td->td_stripbytecount_p[strip] > 0 )
+		if( td->td_stripbytecount[strip] > 0 )
 		{
 			/* if we are writing over existing tiles, zero length */
-			td->td_stripbytecount_p[strip] = 0;
+			td->td_stripbytecount[strip] = 0;

 			/* this forces TIFFAppendToStrip() to do a seek */
 			tif->tif_curoff = 0;
@@ -176,32 +176,6 @@ TIFFWriteScanline(TIFF* tif, void* buf, uint32 row, uint16 sample)
 	return (status);
 }

-/* Make sure that at the first attempt of rewriting a tile/strip, we will have */
-/* more bytes available in the output buffer than the previous byte count, */
-/* so that TIFFAppendToStrip() will detect the overflow when it is called the first */
-/* time if the new compressed tile is bigger than the older one. (GDAL #4771) */
-static int _TIFFReserveLargeEnoughWriteBuffer(TIFF* tif, uint32 strip_or_tile)
-{
-    TIFFDirectory *td = &tif->tif_dir;
-    if( td->td_stripbytecount_p[strip_or_tile] > 0 )
-    {
-        /* The +1 is to ensure at least one extra bytes */
-        /* The +4 is because the LZW encoder flushes 4 bytes before the limit */
-        uint64 safe_buffer_size = (uint64)(td->td_stripbytecount_p[strip_or_tile] + 1 + 4);
-        if( tif->tif_rawdatasize <= (tmsize_t)safe_buffer_size )
-        {
-            if( !(TIFFWriteBufferSetup(tif, NULL,
-                (tmsize_t)TIFFroundup_64(safe_buffer_size, 1024))) )
-                return 0;
-        }
-
-        /* Force TIFFAppendToStrip() to consider placing data at end
-            of file. */
-        tif->tif_curoff = 0;
-    }
-    return 1;
-}
-
 /*
 * Encode the supplied data and write it to the
 * specified strip.
@@ -248,13 +222,6 @@ TIFFWriteEncodedStrip(TIFF* tif, uint32 strip, void* data, tmsize_t cc)
        tif->tif_flags |= TIFF_BUF4WRITE;
 	tif->tif_curstrip = strip;

-	if( !_TIFFReserveLargeEnoughWriteBuffer(tif, strip) ) {
-            return ((tmsize_t)(-1));
-        }
-
-        tif->tif_rawcc = 0;
-        tif->tif_rawcp = tif->tif_rawdata;
-
        if (td->td_stripsperimage == 0) {
                TIFFErrorExt(tif->tif_clientdata, module, "Zero strips per image");
                return ((tmsize_t) -1);
@@ -267,6 +234,27 @@ TIFFWriteEncodedStrip(TIFF* tif, uint32 strip, void* data, tmsize_t cc)
 		tif->tif_flags |= TIFF_CODERSETUP;
 	}

+	if( td->td_stripbytecount[strip] > 0 )
+        {
+            /* Make sure that at the first attempt of rewriting the tile, we will have */
+            /* more bytes available in the output buffer than the previous byte count, */
+            /* so that TIFFAppendToStrip() will detect the overflow when it is called the first */
+            /* time if the new compressed tile is bigger than the older one. (GDAL #4771) */
+            if( tif->tif_rawdatasize <= (tmsize_t)td->td_stripbytecount[strip] )
+            {
+                if( !(TIFFWriteBufferSetup(tif, NULL,
+                    (tmsize_t)TIFFroundup_64((uint64)(td->td_stripbytecount[strip] + 1), 1024))) )
+                    return ((tmsize_t)(-1));
+            }
+
+	    /* Force TIFFAppendToStrip() to consider placing data at end
+               of file. */
+            tif->tif_curoff = 0;
+        }
+
+    tif->tif_rawcc = 0;
+    tif->tif_rawcp = tif->tif_rawdata;
+
 	tif->tif_flags &= ~TIFF_POSTENCODE;

    /* shortcut to avoid an extra memcpy() */
@@ -414,8 +402,22 @@ TIFFWriteEncodedTile(TIFF* tif, uint32 tile, void* data, tmsize_t cc)
        tif->tif_flags |= TIFF_BUF4WRITE;
 	tif->tif_curtile = tile;

-        if( !_TIFFReserveLargeEnoughWriteBuffer(tif, tile) ) {
-            return ((tmsize_t)(-1));
+	if( td->td_stripbytecount[tile] > 0 )
+        {
+            /* Make sure that at the first attempt of rewriting the tile, we will have */
+            /* more bytes available in the output buffer than the previous byte count, */
+            /* so that TIFFAppendToStrip() will detect the overflow when it is called the first */
+            /* time if the new compressed tile is bigger than the older one. (GDAL #4771) */
+            if( tif->tif_rawdatasize <= (tmsize_t) td->td_stripbytecount[tile] )
+            {
+                if( !(TIFFWriteBufferSetup(tif, NULL,
+                    (tmsize_t)TIFFroundup_64((uint64)(td->td_stripbytecount[tile] + 1), 1024))) )
+                    return ((tmsize_t)(-1));
+            }
+
+	    /* Force TIFFAppendToStrip() to consider placing data at end
+               of file. */
+            tif->tif_curoff = 0;
        }

 	tif->tif_rawcc = 0;
@@ -533,29 +535,22 @@ TIFFSetupStrips(TIFF* tif)
 		    isUnspecified(tif, FIELD_ROWSPERSTRIP) ?
 			td->td_samplesperpixel : TIFFNumberOfStrips(tif);
 	td->td_nstrips = td->td_stripsperimage;
-        /* TIFFWriteDirectoryTagData has a limitation to 0x80000000U bytes */
-        if( td->td_nstrips >= 0x80000000U / ((tif->tif_flags&TIFF_BIGTIFF)?0x8U:0x4U) )
-        {
-            TIFFErrorExt(tif->tif_clientdata, "TIFFSetupStrips",
-                         "Too large Strip/Tile Offsets/ByteCounts arrays");
-            return 0;
-        }
 	if (td->td_planarconfig == PLANARCONFIG_SEPARATE)
 		td->td_stripsperimage /= td->td_samplesperpixel;
-	td->td_stripoffset_p = (uint64 *)
+	td->td_stripoffset = (uint64 *)
            _TIFFCheckMalloc(tif, td->td_nstrips, sizeof (uint64),
                             "for \"StripOffsets\" array");
-	td->td_stripbytecount_p = (uint64 *)
+	td->td_stripbytecount = (uint64 *)
            _TIFFCheckMalloc(tif, td->td_nstrips, sizeof (uint64),
                             "for \"StripByteCounts\" array");
-	if (td->td_stripoffset_p == NULL || td->td_stripbytecount_p == NULL)
+	if (td->td_stripoffset == NULL || td->td_stripbytecount == NULL)
 		return (0);
 	/*
 	 * Place data at the end-of-file
 	 * (by setting offsets to zero).
 	 */
-	_TIFFmemset(td->td_stripoffset_p, 0, td->td_nstrips*sizeof (uint64));
-	_TIFFmemset(td->td_stripbytecount_p, 0, td->td_nstrips*sizeof (uint64));
+	_TIFFmemset(td->td_stripoffset, 0, td->td_nstrips*sizeof (uint64));
+	_TIFFmemset(td->td_stripbytecount, 0, td->td_nstrips*sizeof (uint64));
 	TIFFSetFieldBit(tif, FIELD_STRIPOFFSETS);
 	TIFFSetFieldBit(tif, FIELD_STRIPBYTECOUNTS);
 	return (1);
@@ -577,7 +572,7 @@ TIFFWriteCheck(TIFF* tif, int tiles, const char* module)
 	}
 	if (tiles ^ isTiled(tif)) {
 		TIFFErrorExt(tif->tif_clientdata, module, tiles ?
-		    "Can not write tiles to a striped image" :
+		    "Can not write tiles to a stripped image" :
 		    "Can not write scanlines to a tiled image");
 		return (0);
 	}
@@ -615,7 +610,7 @@ TIFFWriteCheck(TIFF* tif, int tiles, const char* module)
 			return (0);
 		}
 	}
-	if (tif->tif_dir.td_stripoffset_p == NULL && !TIFFSetupStrips(tif)) {
+	if (tif->tif_dir.td_stripoffset == NULL && !TIFFSetupStrips(tif)) {
 		tif->tif_dir.td_nstrips = 0;
 		TIFFErrorExt(tif->tif_clientdata, module, "No space for %s arrays",
 		    isTiled(tif) ? "tile" : "strip");
@@ -633,20 +628,6 @@ TIFFWriteCheck(TIFF* tif, int tiles, const char* module)
 	if (tif->tif_scanlinesize == 0)
 		return (0);
 	tif->tif_flags |= TIFF_BEENWRITING;
-
-        if( tif->tif_dir.td_stripoffset_entry.tdir_tag != 0 &&
-            tif->tif_dir.td_stripoffset_entry.tdir_count == 0 &&
-            tif->tif_dir.td_stripoffset_entry.tdir_type == 0 &&
-            tif->tif_dir.td_stripoffset_entry.tdir_offset.toff_long8 == 0 &&
-            tif->tif_dir.td_stripbytecount_entry.tdir_tag != 0 &&
-            tif->tif_dir.td_stripbytecount_entry.tdir_count == 0 &&
-            tif->tif_dir.td_stripbytecount_entry.tdir_type == 0 &&
-            tif->tif_dir.td_stripbytecount_entry.tdir_offset.toff_long8 == 0 &&
-            !(tif->tif_flags & TIFF_DIRTYDIRECT)  )
-        {
-            TIFFForceStrileArrayWriting(tif);
-        }
-
 	return (1);
 }

@@ -668,10 +649,6 @@ TIFFWriteBufferSetup(TIFF* tif, void* bp, tmsize_t size)
 	if (size == (tmsize_t)(-1)) {
 		size = (isTiled(tif) ?
 		    tif->tif_tilesize : TIFFStripSize(tif));
-
-                /* Adds 10% margin for cases where compression would expand a bit */
-                if( size < TIFF_TMSIZE_T_MAX - size / 10 )
-                    size += size / 10;
 		/*
 		 * Make raw data buffer at least 8K
 		 */
@@ -707,9 +684,9 @@ TIFFGrowStrips(TIFF* tif, uint32 delta, const char* module)
 	uint64* new_stripbytecount;

 	assert(td->td_planarconfig == PLANARCONFIG_CONTIG);
-	new_stripoffset = (uint64*)_TIFFrealloc(td->td_stripoffset_p,
+	new_stripoffset = (uint64*)_TIFFrealloc(td->td_stripoffset,
 		(td->td_nstrips + delta) * sizeof (uint64));
-	new_stripbytecount = (uint64*)_TIFFrealloc(td->td_stripbytecount_p,
+	new_stripbytecount = (uint64*)_TIFFrealloc(td->td_stripbytecount,
 		(td->td_nstrips + delta) * sizeof (uint64));
 	if (new_stripoffset == NULL || new_stripbytecount == NULL) {
 		if (new_stripoffset)
@@ -720,11 +697,11 @@ TIFFGrowStrips(TIFF* tif, uint32 delta, const char* module)
 		TIFFErrorExt(tif->tif_clientdata, module, "No space to expand strip arrays");
 		return (0);
 	}
-	td->td_stripoffset_p = new_stripoffset;
-	td->td_stripbytecount_p = new_stripbytecount;
-	_TIFFmemset(td->td_stripoffset_p + td->td_nstrips,
+	td->td_stripoffset = new_stripoffset;
+	td->td_stripbytecount = new_stripbytecount;
+	_TIFFmemset(td->td_stripoffset + td->td_nstrips,
 		    0, delta*sizeof (uint64));
-	_TIFFmemset(td->td_stripbytecount_p + td->td_nstrips,
+	_TIFFmemset(td->td_stripbytecount + td->td_nstrips,
 		    0, delta*sizeof (uint64));
 	td->td_nstrips += delta;
        tif->tif_flags |= TIFF_DIRTYDIRECT;
@@ -743,12 +720,12 @@ TIFFAppendToStrip(TIFF* tif, uint32 strip, uint8* data, tmsize_t cc)
 	uint64 m;
        int64 old_byte_count = -1;

-	if (td->td_stripoffset_p[strip] == 0 || tif->tif_curoff == 0) {
+	if (td->td_stripoffset[strip] == 0 || tif->tif_curoff == 0) {
            assert(td->td_nstrips > 0);

-            if( td->td_stripbytecount_p[strip] != 0 
-                && td->td_stripoffset_p[strip] != 0 
-                && td->td_stripbytecount_p[strip] >= (uint64) cc )
+            if( td->td_stripbytecount[strip] != 0 
+                && td->td_stripoffset[strip] != 0 
+                && td->td_stripbytecount[strip] >= (uint64) cc )
            {
                /* 
                 * There is already tile data on disk, and the new tile
@@ -757,7 +734,7 @@ TIFFAppendToStrip(TIFF* tif, uint32 strip, uint8* data, tmsize_t cc)
                 * more data to append to this strip before we are done
                 * depending on how we are getting called.
                 */
-                if (!SeekOK(tif, td->td_stripoffset_p[strip])) {
+                if (!SeekOK(tif, td->td_stripoffset[strip])) {
                    TIFFErrorExt(tif->tif_clientdata, module,
                                 "Seek error at scanline %lu",
                                 (unsigned long)tif->tif_row);
@@ -770,17 +747,17 @@ TIFFAppendToStrip(TIFF* tif, uint32 strip, uint8* data, tmsize_t cc)
                 * Seek to end of file, and set that as our location to 
                 * write this strip.
                 */
-                td->td_stripoffset_p[strip] = TIFFSeekFile(tif, 0, SEEK_END);
+                td->td_stripoffset[strip] = TIFFSeekFile(tif, 0, SEEK_END);
                tif->tif_flags |= TIFF_DIRTYSTRIP;
            }

-            tif->tif_curoff = td->td_stripoffset_p[strip];
+            tif->tif_curoff = td->td_stripoffset[strip];

            /*
             * We are starting a fresh strip/tile, so set the size to zero.
             */
-            old_byte_count = td->td_stripbytecount_p[strip];
-            td->td_stripbytecount_p[strip] = 0;
+            old_byte_count = td->td_stripbytecount[strip];
+            td->td_stripbytecount[strip] = 0;
 	}

 	m = tif->tif_curoff+cc;
@@ -797,9 +774,9 @@ TIFFAppendToStrip(TIFF* tif, uint32 strip, uint8* data, tmsize_t cc)
 		    return (0);
 	}
 	tif->tif_curoff = m;
-	td->td_stripbytecount_p[strip] += cc;
+	td->td_stripbytecount[strip] += cc;

-        if( (int64) td->td_stripbytecount_p[strip] != old_byte_count )
+        if( (int64) td->td_stripbytecount[strip] != old_byte_count )
            tif->tif_flags |= TIFF_DIRTYSTRIP;
            
 	return (1);
--- a/Show More
+++ b/Show More
Author	SHA1	Message	Date
Alexander Alekhin	464efeb7b0	ippicv: install third-party-programs.txt file	2020-09-26 01:15:49 +03:00
Alexander Alekhin	61c6fd85ba	OpenCV version '-openvino'	2020-09-08 14:35:57 +03:00