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Andreas Rheinhardt 2dd8acbe80 avutil/common, macros: Move several macros from common.h to macros.h 
common.h currently contains several things: Math macros, UTF-8 macros,
other fundamental macros; furthermore it also contains miscellaneous
math functions and it (directly and indirectly) includes lots of other
headers.

This commit moves the "other fundamental macros" to macros.h which is
a more fitting place.

Signed-off-by: Andreas Rheinhardt <andreas.rheinhardt@outlook.com>
2021-07-29 22:02:05 +02:00
compat avfilter: compress CUDA PTX code if possible 2021-06-22 14:05:44 +02:00
doc avutil/common, macros: Move several macros from common.h to macros.h 2021-07-29 22:02:05 +02:00
ffbuild avfilter: compress CUDA PTX code if possible 2021-06-22 14:05:44 +02:00
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libavcodec avcodec/noise_bsf: add expr support 2021-07-29 22:05:11 +05:30
libavdevice avformat/internal: Move ff_read_line_to_bprint_overwrite to avio_internal.h 2021-07-29 22:02:05 +02:00
libavfilter avfilter/avf_showcqt: switch to TX FFT from avutil 2021-07-27 21:16:28 +02:00
libavformat avformat/internal: Move ff_read_line_to_bprint_overwrite to avio_internal.h 2021-07-29 22:02:05 +02:00
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README.md
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.