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Andreas Rheinhardt 5102b98b7a checkasm/llviddspenc: Use declare_func_emms only when needed 
There is no MMX code for diff_bytes since commit
230ea38de1, so use declare_func
instead of declare_func_emms() to also test that we are not
in MMX mode after return.

Signed-off-by: Andreas Rheinhardt <andreas.rheinhardt@outlook.com>
2022-10-11 14:18:54 +02:00
compat compat/cuda: switch from powf to __powf intrinsic 2022-09-03 20:27:34 +02:00
doc avfilter/af_adynamicequalizer: rework processing 2022-10-09 09:16:24 +02:00
ffbuild configure: probe RISC-V Vector extension 2022-09-27 13:19:52 +02:00
fftools fftools/ffmpeg: move some code from init_output_stream() to init_output_stream_encode() 2022-10-04 11:55:03 +02:00
libavcodec lavc/encode: combine setting no-delay pts for video/audio 2022-10-11 11:59:11 +02:00
libavdevice avformat/internal: Don't include avcodec.h 2022-09-26 03:02:50 +02:00
libavfilter lavfi/rotate: Avoid undefined behaviour. 2022-10-10 02:58:39 +02:00
libavformat avformat/mp3dec: remove a call to avio_tell() 2022-10-08 22:56:30 +08:00
libavutil aarch64: Implement stack spilling in a consistent way. 2022-10-11 09:12:02 +02:00
libpostproc configure: always enable gnu_windres if available 2022-08-13 14:42:36 +02:00
libswresample swsresample/swresample: error out on invalid layouts 2022-09-14 09:52:33 -03:00
libswscale sws/rgb2rgb: RISC-V 64-bit V packed YUYV/UYVY to planar 4:2:2 2022-09-30 07:25:44 +02:00
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tests checkasm/llviddspenc: Use declare_func_emms only when needed 2022-10-11 14:18:54 +02:00
tools tools/target_dec_fuzzer: Adjust threshold for Jpeg2000 2022-09-16 21:30:59 +02:00
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Changelog avcodec: add a bsf to reorder DTS into PTS 2022-10-04 08:40:16 -03:00
configure avcodec/ljpegenc: Remove unused IDCTDSPContext 2022-10-09 19:28:11 +02:00
CONTRIBUTING.md
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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 MAINTAINERS: remove the project leader section 2022-09-23 16:06:11 +02:00
Makefile configure: probe RISC-V Vector extension 2022-09-27 13:19:52 +02:00
README.md README: fix typo and description of libavfilter 2021-10-08 09:44:34 +05:30
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.