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J. Dekker e758b24396 checkasm: add wildcompares for test & functions 
Added:

  --test=<pattern>    Filter tests by glob style pattern.
  --bench[=<pattern>] Run benchmark and optionally filter functions
                      by glob style pattern.

Example:

$ ./tests/checkasm/checkasm --bench=yuva*
[...]
yuva420p_bgr24_8_c:                                     34.5 ( 1.00x)
yuva420p_bgr24_8_ssse3:                                 31.1 ( 1.11x)
yuva420p_bgr24_128_c:                                  310.6 ( 1.00x)
yuva420p_bgr24_128_ssse3:                              178.1 ( 1.74x)
yuva420p_bgr24_1080_c:                                2509.6 ( 1.00x)
yuva420p_bgr24_1080_ssse3:                            1471.5 ( 1.71x)
yuva420p_bgr24_1920_c:                                4462.6 ( 1.00x)
yuva420p_bgr24_1920_ssse3:                            2331.1 ( 1.91x)
[...]

Ported from dav1d.

Signed-off-by: J. Dekker <jdek@itanimul.li>
2024-08-28 11:45:46 +02:00
compat
doc lavu/opt: add API for retrieving array-type option values 2024-08-27 16:53:16 +02:00
ffbuild
fftools fftools/ffplay: handle flip in display matrix 2024-08-24 00:26:59 +08:00
libavcodec avcodec/mpegvideoencdsp: speed up draw_edges_8_c by inlining it for all used edge widths 2024-08-26 12:50:26 +02:00
libavdevice libavdevice/gdigrab: change hwnd tail check fail logic to !=null 2024-08-15 20:10:33 +08:00
libavfilter avfilter/unsharp: Merge header into .c 2024-08-26 16:58:25 +08:00
libavformat avformat/vapoursynth: load library at runtime 2024-08-26 10:30:52 +02:00
libavutil lavu/opt: add API for retrieving array-type option values 2024-08-27 16:53:16 +02:00
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libswresample
libswscale swscale/aarch64: cosmetics fix (spaces inside curly braces) 2024-08-26 11:07:49 +02:00
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tests checkasm: add wildcompares for test & functions 2024-08-28 11:45:46 +02:00
tools tools/target_dec_fuzzer: Check that FFv1 doesnt leave uninitialized memory in its buffers 2024-08-14 18:20:57 +02:00
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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.