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FFmpeg git repo
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Ming Qian df701ed0b5 avcodec/v4l2_context: don't reinit output queue on dynamic resolution change event 
Reference:
linux/Documentation/userspace-api/media/v4l/dev-decoder.rst
    "During the resolution change sequence, the OUTPUT queue must remain
     streaming. Calling VIDIOC_STREAMOFF() on the OUTPUT queue would
     abort the sequence and initiate a seek.

     In principle, the OUTPUT queue operates separately from the CAPTURE
     queue and this remains true for the duration of the entire
     resolution change sequence as well."

Reviewed-by: Andriy Gelman <andriy.gelman@gmail.com>
Signed-off-by: Ming Qian <ming.qian@nxp.com>
2022-01-09 11:14:37 -05:00
compat Replace all occurences of av_mallocz_array() by av_calloc() 2021-09-20 01:03:52 +02:00
doc doc/encoders.texi: Add doc for qsv 2022-01-07 14:06:10 +08:00
ffbuild Makefile: Redo duplicating object files in shared builds 2022-01-04 05:01:04 +01:00
fftools ffprobe: Support AV_FRAME_DATA_DOVI_METADATA 2022-01-04 11:59:41 +01:00
libavcodec avcodec/v4l2_context: don't reinit output queue on dynamic resolution change event 2022-01-09 11:14:37 -05:00
libavdevice avdevice/iec61883: #if unused code away, fix -O0 compilation 2022-01-08 18:15:18 +01:00
libavfilter avfilter: add a blend_vulkan filter 2022-01-05 15:16:22 +01:00
libavformat avformat/rawvideodec: Disable option accidentally added for v210(x) 2022-01-09 09:17:27 +01:00
libavutil lavu/videotoolbox: add support for memory mapping frames 2022-01-06 19:17:42 -08:00
libpostproc lib*/version.h: Bump Versions after release/5.0 branch 2022-01-04 14:29:06 +01:00
libswresample lib*/version.h: Bump Versions after release/5.0 branch 2022-01-04 14:29:06 +01:00
libswscale swscale/output: use isSwappedChroma 2022-01-04 19:39:22 -06:00
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tests fate/subtitles: Fix check for fate-binsub-mksenc test 2022-01-08 18:16:17 +01:00
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RELEASE

README.md

FFmpeg README

FFmpeg is a collection of libraries and tools to process multimedia content such as audio, video, subtitles and related metadata.

Libraries

  • libavcodec provides implementation of a wider range of codecs.
  • libavformat implements streaming protocols, container formats and basic I/O access.
  • libavutil includes hashers, decompressors and miscellaneous utility functions.
  • libavfilter provides means to alter decoded audio and video through a directed graph of connected filters.
  • libavdevice provides an abstraction to access capture and playback devices.
  • libswresample implements audio mixing and resampling routines.
  • libswscale implements color conversion and scaling routines.

Tools

  • ffmpeg is a command line toolbox to manipulate, convert and stream multimedia content.
  • ffplay is a minimalistic multimedia player.
  • ffprobe is a simple analysis tool to inspect multimedia content.
  • Additional small tools such as aviocat, ismindex and qt-faststart.

Documentation

The offline documentation is available in the doc/ directory.

The online documentation is available in the main website and in the wiki.

Examples

Coding examples are available in the doc/examples directory.

License

FFmpeg codebase is mainly LGPL-licensed with optional components licensed under GPL. Please refer to the LICENSE file for detailed information.

Contributing

Patches should be submitted to the ffmpeg-devel mailing list using git format-patch or git send-email. Github pull requests should be avoided because they are not part of our review process and will be ignored.