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Merge pull request #22706 from kallaballa:libavdevice_for_ffmpeg_v4l2

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Introduce libavdevice to make v4l2 available to the ffmpeg backend

* introduce libavdevice to make v4l2 available to the ffmpeg backend

* downgrade the min required libavdevice version to 53.2.0

* make libavdevice optional

* create OCV_OPTION OPENCV_FFMPEG_ENABLE_LIBAVDEVICE and add definition through ocv_add_external_target

* move OCV_OPTION 'OPENCV_FFMPEG_ENABLE_LIBAVDEVICE' to detect_ffmpeg.cmake
This commit is contained in:
Amir Hassan
2022-11-11 23:28:02 +01:00
committed by GitHub
parent 1ba0984203
commit da4ac6b7ef
4 changed files with 31 additions and 1 deletions
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modules/videoio/misc/plugin_ffmpeg/CMakeLists.txt
+3
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@@ -16,3 +16,6 @@ message(STATUS "FFMPEG_libavformat_VERSION=${FFMPEG_libavformat_VERSION}")
message(STATUS "FFMPEG_libavutil_VERSION=${FFMPEG_libavutil_VERSION}")
message(STATUS "FFMPEG_libswscale_VERSION=${FFMPEG_libswscale_VERSION}")
message(STATUS "FFMPEG_libavresample_VERSION=${FFMPEG_libavresample_VERSION}")
if(OPENCV_FFMPEG_ENABLE_LIBAVDEVICE)
message(STATUS "FFMPEG_libavdevice_VERSION=${FFMPEG_libavdevice_VERSION}")
endif()