"atomic bomb" commit. Reorganized OpenCV directory structure

2026-07-31 08:13:04 +04:00 · 2010-05-11 17:44:00 +00:00
commit 127d6649a1
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+/*M///////////////////////////////////////////////////////////////////////////////////////
+//
+//  IMPORTANT: READ BEFORE DOWNLOADING, COPYING, INSTALLING OR USING.
+//
+//  By downloading, copying, installing or using the software you agree to this license.
+//  If you do not agree to this license, do not download, install,
+//  copy or use the software.
+//
+//
+//                        Intel License Agreement
+//                For Open Source Computer Vision Library
+//
+// Copyright (C) 2000, Intel Corporation, all rights reserved.
+// Third party copyrights are property of their respective owners.
+//
+// Redistribution and use in source and binary forms, with or without modification,
+// are permitted provided that the following conditions are met:
+//
+//   * Redistribution's of source code must retain the above copyright notice,
+//     this list of conditions and the following disclaimer.
+//
+//   * Redistribution's in binary form must reproduce the above copyright notice,
+//     this list of conditions and the following disclaimer in the documentation
+//     and/or other materials provided with the distribution.
+//
+//   * The name of Intel Corporation may not be used to endorse or promote products
+//     derived from this software without specific prior written permission.
+//
+// This software is 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 the Intel Corporation or 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 this software, even if advised of the possibility of such damage.
+//
+//M*/
+
+#include "precomp.hpp"
+
+extern "C"
+{
+typedef void* (*CvCreateFileCapture_Plugin)( const char* filename );
+typedef void* (*CvCreateCameraCapture_Plugin)( int index );
+typedef int (*CvGrabFrame_Plugin)( void* capture_handle );
+typedef IplImage* (*CvRetrieveFrame_Plugin)( void* capture_handle, int );
+typedef int (*CvSetCaptureProperty_Plugin)( void* capture_handle, int prop_id, double value );
+typedef double (*CvGetCaptureProperty_Plugin)( void* capture_handle, int prop_id );
+typedef void (*CvReleaseCapture_Plugin)( void** capture_handle );
+typedef void* (*CvCreateVideoWriter_Plugin)( const char* filename, int fourcc,
+                                             double fps, CvSize frameSize, int isColor );
+typedef int (*CvWriteFrame_Plugin)( void* writer_handle, const IplImage* frame );
+typedef void (*CvReleaseVideoWriter_Plugin)( void** writer );
+}
+
+static HMODULE icvFFOpenCV = 0;
+static CvCreateFileCapture_Plugin icvCreateFileCapture_FFMPEG_p = 0;
+static CvReleaseCapture_Plugin icvReleaseCapture_FFMPEG_p = 0;
+static CvGrabFrame_Plugin icvGrabFrame_FFMPEG_p = 0;
+static CvRetrieveFrame_Plugin icvRetrieveFrame_FFMPEG_p = 0;
+static CvSetCaptureProperty_Plugin icvSetCaptureProperty_FFMPEG_p = 0;
+static CvGetCaptureProperty_Plugin icvGetCaptureProperty_FFMPEG_p = 0;
+static CvCreateVideoWriter_Plugin icvCreateVideoWriter_FFMPEG_p = 0;
+static CvReleaseVideoWriter_Plugin icvReleaseVideoWriter_FFMPEG_p = 0;
+static CvWriteFrame_Plugin icvWriteFrame_FFMPEG_p = 0;
+
+static void
+icvInitFFMPEG(void)
+{
+    static int ffmpegInitialized = 0;
+    if( !ffmpegInitialized )
+    {
+#ifdef __MINGW32__
+#define ffopencv_prefix "lib"
+#else
+#define ffopencv_prefix ""
+#endif
+#if defined(_DEBUG)
+#define ffopencv_suffix_dbg "d"
+#else
+#define ffopencv_suffix_dbg ""
+#endif
+#if defined EM64T
+#define ffopencv_suffix "_64"
+#else
+#define ffopencv_suffix ""
+#endif
+
+#define ffopencv_name_m2(a,b,c) ffopencv_prefix "opencv_ffmpeg" #a #b #c ffopencv_suffix ffopencv_suffix_dbg ".dll"
+#define ffopencv_name_m(a,b,c) ffopencv_name_m2(a,b,c)
+        const char* ffopencv_name =
+            ffopencv_name_m(CV_MAJOR_VERSION,CV_MINOR_VERSION,CV_SUBMINOR_VERSION);
+
+        icvFFOpenCV = LoadLibrary( ffopencv_name );
+        if( icvFFOpenCV )
+        {
+            icvCreateFileCapture_FFMPEG_p =
+                (CvCreateFileCapture_Plugin)GetProcAddress(icvFFOpenCV, "cvCreateFileCapture_FFMPEG");
+            icvReleaseCapture_FFMPEG_p =
+                (CvReleaseCapture_Plugin)GetProcAddress(icvFFOpenCV, "cvReleaseCapture_FFMPEG");
+            icvGrabFrame_FFMPEG_p =
+                (CvGrabFrame_Plugin)GetProcAddress(icvFFOpenCV, "cvGrabFrame_FFMPEG");
+            icvRetrieveFrame_FFMPEG_p =
+                (CvRetrieveFrame_Plugin)GetProcAddress(icvFFOpenCV, "cvRetrieveFrame_FFMPEG");
+            icvSetCaptureProperty_FFMPEG_p =
+                (CvSetCaptureProperty_Plugin)GetProcAddress(icvFFOpenCV, "cvSetCaptureProperty_FFMPEG");
+            icvGetCaptureProperty_FFMPEG_p =
+                (CvGetCaptureProperty_Plugin)GetProcAddress(icvFFOpenCV, "cvGetCaptureProperty_FFMPEG");
+            icvCreateVideoWriter_FFMPEG_p =
+                (CvCreateVideoWriter_Plugin)GetProcAddress(icvFFOpenCV, "cvCreateVideoWriter_FFMPEG");
+            icvReleaseVideoWriter_FFMPEG_p =
+                (CvReleaseVideoWriter_Plugin)GetProcAddress(icvFFOpenCV, "cvReleaseVideoWriter_FFMPEG");
+            icvWriteFrame_FFMPEG_p =
+                (CvWriteFrame_Plugin)GetProcAddress(icvFFOpenCV, "cvWriteFrame_FFMPEG");
+        }
+        ffmpegInitialized = 1;
+    }
+}
+
+
+class CvCapture_FFMPEG_proxy : public CvCapture
+{
+public:
+    CvCapture_FFMPEG_proxy() { ffmpegCapture = 0; }
+    virtual ~CvCapture_FFMPEG_proxy() { close(); }
+
+    virtual double getProperty(int propId)
+    {
+        return ffmpegCapture ? icvGetCaptureProperty_FFMPEG_p(ffmpegCapture, propId) : 0;
+    }
+    virtual bool setProperty(int propId, double value)
+    {
+        return ffmpegCapture ? icvSetCaptureProperty_FFMPEG_p(ffmpegCapture, propId, value)!=0 : false;
+    }
+    virtual bool grabFrame()
+    {
+        return ffmpegCapture ? icvGrabFrame_FFMPEG_p(ffmpegCapture)!=0 : false;
+    }
+    virtual IplImage* retrieveFrame(int)
+    {
+        return ffmpegCapture ? icvRetrieveFrame_FFMPEG_p(ffmpegCapture,0) : 0;
+    }
+    virtual bool open( const char* filename )
+    {
+        close();
+
+        icvInitFFMPEG();
+        if( !icvCreateFileCapture_FFMPEG_p )
+            return false;
+        ffmpegCapture = icvCreateFileCapture_FFMPEG_p( filename );
+        return ffmpegCapture != 0;
+    }
+    virtual void close()
+    {
+        if( ffmpegCapture && icvReleaseCapture_FFMPEG_p )
+            icvReleaseCapture_FFMPEG_p( &ffmpegCapture );
+        assert( ffmpegCapture == 0 );
+        ffmpegCapture = 0;
+    }
+
+protected:
+    void* ffmpegCapture;
+};
+
+
+CvCapture* cvCreateFileCapture_Win32(const char * filename)
+{
+    CvCapture_FFMPEG_proxy* result = new CvCapture_FFMPEG_proxy;
+    if( result->open( filename ))
+        return result;
+    delete result;
+    return cvCreateFileCapture_VFW(filename);
+}
+
+
+class CvVideoWriter_FFMPEG_proxy : public CvVideoWriter
+{
+public:
+    CvVideoWriter_FFMPEG_proxy() { ffmpegWriter = 0; }
+    virtual ~CvVideoWriter_FFMPEG_proxy() { close(); }
+
+    virtual bool writeFrame( const IplImage* image )
+    {
+        return ffmpegWriter ? icvWriteFrame_FFMPEG_p(ffmpegWriter, image)!=0 : false;
+    }
+    virtual bool open( const char* filename, int fourcc, double fps, CvSize frameSize, bool isColor )
+    {
+        close();
+        icvInitFFMPEG();
+        if( !icvCreateVideoWriter_FFMPEG_p )
+            return false;
+        ffmpegWriter = icvCreateVideoWriter_FFMPEG_p( filename, fourcc, fps, frameSize, isColor );
+        return ffmpegWriter != 0;
+    }
+
+    virtual void close()
+    {
+        if( ffmpegWriter && icvReleaseVideoWriter_FFMPEG_p )
+            icvReleaseVideoWriter_FFMPEG_p( &ffmpegWriter );
+        assert( ffmpegWriter == 0 );
+        ffmpegWriter = 0;
+    }
+
+protected:
+    void* ffmpegWriter;
+};
+
+
+CvVideoWriter* cvCreateVideoWriter_Win32( const char* filename, int fourcc,
+                                          double fps, CvSize frameSize, int isColor )
+{
+    CvVideoWriter_FFMPEG_proxy* result = new CvVideoWriter_FFMPEG_proxy;
+
+    if( result->open( filename, fourcc, fps, frameSize, isColor != 0 ))
+        return result;
+    delete result;
+
+    return cvCreateVideoWriter_VFW(filename, fourcc, fps, frameSize, isColor);
+}