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yuanhecai 82278e8749
avutil/la: Add function performance testing 
This patch supports the use of the "checkasm --bench" testing feature
on loongarch platform.

Change-Id: I42790388d057c9ade0dfa38a19d9c1fd44ca0bc3
Reviewed-by: Shiyou Yin <yinshiyou-hf@loongson.cn>
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
2023-05-25 21:05:21 +02:00
compat compat: Use '-' instead of '/' for rc.exe options 2023-02-13 13:49:40 +02:00
doc avfilter/af_astats: add abs_peak_count stat 2023-05-25 19:51:39 +02:00
ffbuild configure: probe RISC-V Vector extension 2022-09-27 13:19:52 +02:00
fftools fftools/ffmpeg_dec: rename decode_video() to video_frame_process() 2023-05-22 17:10:44 +02:00
libavcodec avcodec/la: Add LSX optimization for h264 qpel. 2023-05-25 21:05:01 +02:00
libavdevice avdevice/opengl_enc: check sscanf return value 2023-05-22 20:08:55 +02:00
libavfilter avfilter/trim: switch to activate 2023-05-25 19:52:04 +02:00
libavformat avformat/gifdec: switch to using gif parser 2023-05-25 19:51:56 +02:00
libavutil avutil/la: Add function performance testing 2023-05-25 21:05:21 +02:00
libpostproc version.h: Bump minor post 6.0 branch 2023-02-19 18:37:36 +01:00
libswresample swresample/swresample: add a used channel layout option using the new API 2023-02-19 18:28:45 -03:00
libswscale swscale/la: Add following builtin optimized functions 2023-05-25 21:05:15 +02:00
presets
tests avformat/gifdec: switch to using gif parser 2023-05-25 19:51:56 +02:00
tools tools/normalize: port to python3, extend syntax 2023-05-14 10:16:01 +02:00
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.gitignore gitignore: add config_components.h 2022-03-17 18:35:41 -03:00
.mailmap mailmap: stop git lying about who I commit things as 2022-11-04 19:37:46 +01:00
.travis.yml
Changelog avfilter/setpts: add command support 2023-05-14 11:10:50 +02:00
configure avcodec/av1dec: convert to receive_frame() 2023-05-25 11:21:35 -03:00
CONTRIBUTING.md
COPYING.GPLv2
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CREDITS Use https for repository links 2023-03-01 21:59:10 +01:00
INSTALL.md
LICENSE.md
MAINTAINERS MAINTAINERS: add vanitous self to maintain RISC-V 2023-05-05 11:54:34 -03:00
Makefile tools: add an AV_CODEC_CAP_ENCODER_RECON_FRAME test tool 2023-03-28 13:00:42 +02:00
README.md
RELEASE RELEASE: update after 5.1 branch 2022-07-13 00:31:42 +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 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.