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OpenCV

OpenCV/FFmpeg

Top / OpenCV / FFmpeg

FFmpeg/バージョン

• https://github.com/opencv/opencv/commits/master/3rdparty/ffmpeg/ffmpeg.cmake

  OpenCV	FFmpeg	libvpx	OpenH264
  OpenCV 4.0	FFmpeg 4.1?		>1.8.0
  OpenCV 3.4.5?	FFmpeg 3.4.5?
  OpenCV 3.4.1	FFmpeg 3.4.2?	1.7.0	1.7.0
  OpenCV 3.3.1	FFmpeg 3.3.4?
  OpenCV 3.3.0?	FFmpeg 3.3.2?
  OpenCV 3.2.0?	FFmpeg 3.2.1?	1.6.0	1.6.0
  OpenCV 3.1.0	FFmpeg 2.7.7?	1.4.0	1.5.0

メモ

• https://github.com/opencv/opencv/pull/6899

opencv_ffmpeg.dllの作り方

• http://answers.opencv.org/question/124858/how-to-build-opencv_ffmpegdll-from-patched-ffmpeg-source/

メモ

• If you enable FFmpeg while configuring OpenCV than CMake will download and install the binaries in OPENCV_SOURCE_CODE/3rdparty/ffmpeg/. To use FFMpeg at runtime, you must deploy the FFMepg binaries with your application.
• FFmpeg is licensed under the GNU Lesser General Public License (LGPL) version 2.1 or later. See OPENCV_SOURCE_CODE/3rdparty/ffmpeg/readme.txt

• https://docs.opencv.org/3.4/d0/da7/videoio_overview.html