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Andreas Rheinhardt 594723ec38 avcodec/mpegvideo: Move quant_precision to Mpeg4DecContext 
It is an MPEG-4-only value; it is always five for the MPEG-4
encoder, so just hardcode this value and move the MpegEncContext
field to Mpeg4DecContext.

Signed-off-by: Andreas Rheinhardt <andreas.rheinhardt@outlook.com>
2024-06-20 18:58:39 +02:00
compat
doc avutil/stereo3d: Fill out stereo info provided by Vision Pro files 2024-06-18 14:47:40 +01:00
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fftools fftools/ffprobe: Print more Stereo 3D info from side data 2024-06-18 14:47:40 +01:00
libavcodec avcodec/mpegvideo: Move quant_precision to Mpeg4DecContext 2024-06-20 18:58:39 +02:00
libavdevice avdevice/avfoundation: add external video devices 2024-06-20 18:52:06 +02:00
libavfilter avfilter/qsvvpp: Remove unreachable code 2024-06-19 13:23:07 +02:00
libavformat avformat: split off generic NAL function helpers into their own file 2024-06-20 08:57:45 -03:00
libavutil avutil/stereo3d: Fill out stereo info provided by Vision Pro files 2024-06-18 14:47:40 +01:00
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Changelog avcodec: add external enc libvvenc for H266/VVC 2024-06-15 21:00:05 +08:00
configure configure: Remove obsolete mpeg4_decoder->mpeg4video_parser dependency 2024-06-20 18:58:38 +02:00
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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.