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Jiaxun Yang a1cd62883f avutil/mips: Use $at as MMI macro temporary register 
Some function had exceed 30 inline assembly register oprands limiation
when using LOONGSON2 version of MMI macros. We can avoid that by take
$at, which is register reserved for assembler, as temporary register.

As none of instructions used in these macros is pseudo, it is safe to
utilize $at here.

Signed-off-by: Jiaxun Yang <jiaxun.yang@flygoat.com>
Reviewed-by: Shiyou Yin <yinshiyou-hf@loongson.cn>
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
 		2021-07-28 23:31:48 +02:00
compat avfilter: compress CUDA PTX code if possible 2021-06-22 14:05:44 +02:00
doc avfilter/vf_pseudocolor: add three more presets 2021-07-26 22:49:02 +02:00
ffbuild avfilter: compress CUDA PTX code if possible 2021-06-22 14:05:44 +02:00
fftools ffmpeg: fix order between field order autodetection and override 2021-07-25 22:40:49 +03:00
libavcodec avcodec/mips: Use MMI marcos to replace Loongson3 instructions 2021-07-28 23:31:48 +02:00
libavdevice Remove/replace some unnecessary avcodec.h inclusions 2021-07-22 15:29:46 +02:00
libavfilter avfilter/avf_showcqt: switch to TX FFT from avutil 2021-07-27 21:16:28 +02:00
libavformat avformat/mov: Remove pointless EOF checks 2021-07-28 22:26:54 +02:00
libavutil avutil/mips: Use $at as MMI macro temporary register 2021-07-28 23:31:48 +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
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tests Remove unnecessary mem.h inclusions 2021-07-22 14:47:57 +02:00
tools tools/target_dec_fuzzer: Adjust threshold for VP6F 2021-07-28 19:15:26 +02:00
.gitattributes fate: add SCC test 2017-01-27 17:06:42 +01:00
.gitignore avfilter: compress CUDA PTX code if possible 2021-06-22 14:05:44 +02:00
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.travis.yml Merge commit '899ee03088d55152a48830df0899887f055da1de' 2019-03-14 15:53:16 -03:00
CONTRIBUTING.md
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Changelog avfilter: add afwtdn filter 2021-07-24 12:24:40 +02:00
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 avformat: add Argonaut Games CVG demuxer 2021-05-12 20:25:50 +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
configure avfilter/avf_showcqt: switch to TX FFT from avutil 2021-07-27 21:16:28 +02:00

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.