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Andreas Rheinhardt 6c694074e1 avutil/x86/emms: Don't unnecessarily include lavu/cpu.h 
Only include it if it is needed, namely if __MMX__ is undefined.

X86 is currently the only arch where lavu/cpu.h is basically
automatically included (for internal development): #if ARCH_X86
is true, lavu/internal.h (which is basically included everywhere)
includes lavu/x86/emms.h which can mask missing inclusions
of lavu/cpu.h if the developer works on x86/x64. This has happened
in 8e825ec3ab and also earlier
(see 6d2365882f).
By including said header only if necessary ordinary developer machines
will behave like non-x86 arches, so that missing inclusions of cpu.h
won't go unnoticed any more.

Signed-off-by: Andreas Rheinhardt <andreas.rheinhardt@outlook.com>
2022-02-21 12:37:51 +01:00
compat Replace all occurences of av_mallocz_array() by av_calloc() 2021-09-20 01:03:52 +02:00
doc doc/muxers: add entry for empty_hdlr_name in mov 2022-02-17 16:11:16 +05:30
ffbuild Makefile: Redo duplicating object files in shared builds 2022-01-04 05:01:04 +01:00
fftools fftools/ffmpeg: fix (a)buffer src names 2022-02-15 10:16:16 +01:00
libavcodec avcodec/wavpack: do not process only first non-zero field of int32info chunk 2022-02-20 17:45:50 +01:00
libavdevice lavd/jack: switch to the new FIFO API 2022-02-07 00:31:23 +01:00
libavfilter avfilter/vf_limiter: refactor slice functions 2022-02-21 00:35:11 +01:00
libavformat avformat/imf: document IMFVirtualTrackResourcePlaybackCtx 2022-02-20 18:32:09 +10:00
libavutil avutil/x86/emms: Don't unnecessarily include lavu/cpu.h 2022-02-21 12:37:51 +01:00
libpostproc lib*/version.h: Bump Versions after release/5.0 branch 2022-01-04 14:29:06 +01:00
libswresample lib*/version.h: Bump Versions after release/5.0 branch 2022-01-04 14:29:06 +01:00
libswscale libswscale: Re-factor ff_shuffle_filter_coefficients. 2022-02-17 17:17:22 +01:00
presets
tests avformat/imf: fix packet pts, dts and muxing 2022-02-20 18:32:09 +10:00
tools tools/target_dem_fuzzer: Force interrupt for HLS 2022-02-19 13:27:02 +01:00
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.gitignore build: detect Metal.framework and build .metal files 2021-12-18 11:55:47 -08:00
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Changelog lavc/mpeg*: drop the XvMC hwaccel code 2022-02-15 10:16:15 +01:00
configure avfilter/af_superequalizer: switch rdft to lavu/tx 2022-02-16 17:28:14 +01:00
CONTRIBUTING.md
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MAINTAINERS lavc/mpeg*: drop the XvMC hwaccel code 2022-02-15 10:16:15 +01:00
Makefile Makefile: Redo duplicating object files in shared builds 2022-01-04 05:01:04 +01:00
README.md README: fix typo and description of libavfilter 2021-10-08 09:44:34 +05:30
RELEASE

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.