Andreas Rheinhardt ee83c175f8 avcodec/x86/ttadsp: Optimize updating dl[4..7]
ttaencdsp old:
  filter_process_c:         15.0
  filter_process_ssse3:      9.0 ( 1.66x)
  filter_process_sse4:       6.9 ( 2.18x)

ttaencdsp new:
  filter_process_c:         14.9
  filter_process_ssse3:      8.3 ( 1.79x)
  filter_process_sse4:       6.4 ( 2.32x)

ttadsp old:
  filter_process_c:         14.7
  filter_process_ssse3:      8.7 ( 1.70x)
  filter_process_sse4:       6.6 ( 2.24x)

ttadsp new:
  filter_process_c:         14.6
  filter_process_ssse3:      8.1 ( 1.81x)
  filter_process_sse4:       6.3 ( 2.30x)

Reviewed-by: Lynne <dev@lynne.ee>
Signed-off-by: Andreas Rheinhardt <andreas.rheinhardt@outlook.com>
2026-08-09 17:23:06 +02:00
2025-08-08 21:51:15 +00:00
2026-06-23 17:15:02 +02:00
2025-08-14 08:42:29 -04:00

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.

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Description
MIRROR: FFmpeg is a collection of libraries and tools to process multimedia content
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