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Andreas Rheinhardt a247ac640d avcodec: Constify AVCodecs 
Given that the AVCodec.next pointer has now been removed, most of the
AVCodecs are not modified at all any more and can therefore be made
const (as this patch does); the only exceptions are the very few codecs
for external libraries that have a init_static_data callback.

Signed-off-by: Andreas Rheinhardt <andreas.rheinhardt@gmail.com>
Signed-off-by: James Almer <jamrial@gmail.com>
2021-04-27 10:43:15 -03:00
compat atomics: Fix the win32 atomic_exchange function 2021-04-04 11:06:08 +03:00
doc avdevice/avdevice: Constify av_*_device_next API 2021-04-27 10:43:14 -03:00
ffbuild libavresample: Remove deprecated library 2021-04-27 10:43:13 -03:00
fftools avdevice/avdevice: Constify av_*_device_next API 2021-04-27 10:43:14 -03:00
libavcodec avcodec: Constify AVCodecs 2021-04-27 10:43:15 -03:00
libavdevice avdevice/avdevice: Constify av_*_device_next API 2021-04-27 10:43:14 -03:00
libavfilter libavresample: Remove deprecated library 2021-04-27 10:43:13 -03:00
libavformat avformat/avformat, utils: Make av_find_best_stream const-correct 2021-04-27 10:43:14 -03:00
libavutil avutil/cpu: Remove deprecated functions 2021-04-27 10:43:13 -03:00
libpostproc Bump minor versions after release branch 2021-03-20 01:02:11 +01:00
libswresample Include attributes.h directly 2021-04-19 14:34:10 +02:00
libswscale libswscale: Remove unused deprecated functions, make used ones static 2021-04-27 10:43:11 -03:00
presets presets: remove moldering iPod presets 2014-06-17 16:15:04 -08:00
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
.gitattributes fate: add SCC test 2017-01-27 17:06:42 +01:00
.gitignore tools/python: add script to convert TensorFlow model (.pb) to native model (.model) 2019-07-01 10:23:47 -03:00
.mailmap mailmap: add entry for myself 2021-03-09 02:09:55 +00:00
.travis.yml Merge commit '899ee03088d55152a48830df0899887f055da1de' 2019-03-14 15:53:16 -03:00
Changelog avformat/westwoodaudenc: Adds muxer for Westwood AUD format. 2021-04-26 19:56:33 +10:00
configure libavresample: Remove deprecated library 2021-04-27 10:43:13 -03:00
CONTRIBUTING.md Add CONTRIBUTING.md 2016-09-18 10:02:13 +01:00
COPYING.GPLv2
COPYING.GPLv3
COPYING.LGPLv2.1
COPYING.LGPLv3
CREDITS CREDITS: redirect to Git log, remove current outdated content 2013-01-31 18:02:52 +01:00
INSTALL.md INSTALL.md: Fix Markdown formatting 2019-01-31 10:29:16 -09:00
LICENSE.md avfilter/vf_geq: Relicense to LGPL 2019-12-28 11:20:48 +01:00
MAINTAINERS MAINTAINERS: add myself as adpcm maintainer 2021-03-25 12:51:10 +10:00
Makefile libavresample: Remove deprecated library 2021-04-27 10:43:13 -03:00
README.md Remove the ffserver program 2018-01-06 18:31:37 +00:00
RELEASE Bump Versions before release/4.4 branch 2021-03-20 01:01:12 +01:00

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.