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Martin Storsjö a9dc7dd7fd checkasm: vvc_alf: Limit benchmarking to a reasonable subset of functions 
Don't benchmark every single combination of widths and heights;
only benchmark cases which are squares (like in vvc_mc.c).

Contrary to vvc_mc, which increases sizes by doubling dimensions,
vvc_alf tests all sizes in increments of 4. Limit benchmarking to
the cases which are powers of two.

This reduces the number of benchmarked cases from 3072 down to 18.
2024-05-21 20:20:50 +08:00
compat avutil/common: Don't auto-include mem.h 2024-03-31 00:08:43 +01:00
doc lavu/hwcontext_qsv: update AVQSVFramesContext to support dynamic frame pool 2024-05-20 09:30:48 +08:00
ffbuild riscv: add Zvbb vector bit manipulation extension 2024-05-11 11:38:49 +03:00
fftools fftools/ffmpeg_filter: Fix leak on error 2024-05-20 14:15:23 +02:00
libavcodec avcodec/vvcdec: support Reference Picture Resampling 2024-05-21 20:20:25 +08:00
libavdevice lavd/v4l2: Use proper field type for second parameter of ioctl() with BSD's 2024-05-08 21:33:32 +02:00
libavfilter avfilter/vf_dnn_detect: Fix null pointer dereference 2024-05-21 18:17:07 +08:00
libavformat avformat/mp3dec: change bogus error message if read_header encounters EOF 2024-05-21 08:28:09 +02:00
libavutil avutil/hwcontext_qsv: fix GCC 14.1 warnings 2024-05-21 16:57:46 +08:00
libpostproc avutil/common: Don't auto-include mem.h 2024-03-31 00:08:43 +01:00
libswresample avutil/common: Don't auto-include mem.h 2024-03-31 00:08:43 +01:00
libswscale swscale/riscv: explicitly require Zbb for MIN 2024-05-10 18:59:06 +03:00
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tests checkasm: vvc_alf: Limit benchmarking to a reasonable subset of functions 2024-05-21 20:20:50 +08:00
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Changelog Changelog: add DVB compatible information for VVC decoder 2024-05-21 20:20:25 +08:00
configure configure: split ISOBMFF writer helpers into a separate component 2024-05-18 13:21:35 -03:00
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README.md
RELEASE RELEASE: update after 7.0 branch 2024-04-02 13:02:39 -03:00

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.