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Andreas Rheinhardt 046cbd255e avformat/yuv4mpegdec: Use table instead of repeated "else if" 
The code savings more than offset the size of the table
(1936B vs 768B with GCC 10.3 at -O3).

Reviewed-by: Paul B Mahol <onemda@gmail.com>
Signed-off-by: Andreas Rheinhardt <andreas.rheinhardt@outlook.com>
2021-07-23 15:05:39 +02:00
compat avfilter: compress CUDA PTX code if possible 2021-06-22 14:05:44 +02:00
doc avcodec/avcodec: Stop including channel_layout.h in avcodec.h 2021-07-22 11:14:31 +02:00
ffbuild avfilter: compress CUDA PTX code if possible 2021-06-22 14:05:44 +02:00
fftools Remove unnecessary avassert.h inclusions 2021-07-22 15:02:30 +02:00
libavcodec avcodec/tableprint_vlc: Fix building with hardcoded tables 2021-07-23 14:43:52 +02:00
libavdevice Remove/replace some unnecessary avcodec.h inclusions 2021-07-22 15:29:46 +02:00
libavfilter Remove/replace some unnecessary avcodec.h inclusions 2021-07-22 15:29:46 +02:00
libavformat avformat/yuv4mpegdec: Use table instead of repeated "else if" 2021-07-23 15:05:39 +02:00
libavutil Remove unnecessary avassert.h inclusions 2021-07-22 15:02:30 +02:00
libpostproc avcodec/avcodec: Don't include cpu.h 2021-07-22 12:59:07 +02:00
libswresample avutil/internal, swresample/audioconvert: Remove cpu.h inclusions 2021-07-22 14:33:45 +02:00
libswscale avutil/internal, swresample/audioconvert: Remove cpu.h inclusions 2021-07-22 14:33:45 +02:00
presets
tests Remove unnecessary mem.h inclusions 2021-07-22 14:47:57 +02:00
tools tools/target_dec_fuzzer: Adjust threshold for libvorbis 2021-07-22 23:33:26 +02:00
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.gitignore avfilter: compress CUDA PTX code if possible 2021-06-22 14:05:44 +02:00
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Changelog avformat: add a concat protocol that takes a line break delimited list of resources 2021-07-02 10:21:06 -03:00
configure lavu/checkasm: add (private) kperf timing for macOS 2021-07-20 19:40:03 +02:00
CONTRIBUTING.md
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MAINTAINERS avformat: add Argonaut Games CVG demuxer 2021-05-12 20:25:50 +10:00
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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.