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Andreas Rheinhardt 1c7f252783 avcodec: Remove redundant freeing of extradata of encoders 
AVCodecContext.extradata is freed generically by libavcodec for
encoders, so it is unnecessary for an encoder to do it on its own.

Reviewed-by: Anton Khirnov <anton@khirnov.net>
Signed-off-by: Andreas Rheinhardt <andreas.rheinhardt@outlook.com>
2021-04-28 16:56:40 +02:00
compat atomics: Fix the win32 atomic_exchange function 2021-04-04 11:06:08 +03:00
doc doc/APIchanges: add hashes and version numbers for recent entries 2021-04-27 18:42:25 -03:00
ffbuild libavresample: Remove deprecated library 2021-04-27 10:43:13 -03:00
fftools avformat: remove deprecated AVStream.codec 2021-04-27 11:47:24 -03:00
libavcodec avcodec: Remove redundant freeing of extradata of encoders 2021-04-28 16:56:40 +02:00
libavdevice avdevice: Constify all devices 2021-04-27 11:48:05 -03:00
libavfilter avfilter: Constify all AVFilters 2021-04-27 11:48:05 -03:00
libavformat avformat: Constify all muxer/demuxers 2021-04-27 11:48:06 -03:00
libavutil Bump major versions of all libraries. 2021-04-27 11:48:05 -03:00
libpostproc Bump major versions of all libraries. 2021-04-27 11:48:05 -03:00
libswresample Bump major versions of all libraries. 2021-04-27 11:48:05 -03:00
libswscale Bump major versions of all libraries. 2021-04-27 11:48:05 -03:00
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tests avcodec/codec, allcodecs: Constify the AVCodec API 2021-04-27 10:43:14 -03:00
tools avcodec/codec, allcodecs: Constify the AVCodec API 2021-04-27 10:43:14 -03:00
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Changelog avformat/westwoodaudenc: Adds muxer for Westwood AUD format. 2021-04-26 19:56:33 +10:00
configure avfilter: Constify all AVFilters 2021-04-27 11:48:05 -03:00
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MAINTAINERS MAINTAINERS: add myself as adpcm maintainer 2021-03-25 12:51:10 +10:00
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README.md
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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 a mean to alter decoded Audio and Video through chain of 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.