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James Almer 77a44f577b configure: add missing avx2 support check 
AVX2 support was introduced in Yasm 1.2.0 and NASM 2.10, and the
oldest versions currently supported are Yasm 0.8.0 and NASM 2.03

Signed-off-by: James Almer <jamrial@gmail.com>
Signed-off-by: Luca Barbato <lu_zero@gentoo.org>
2016-01-28 00:43:23 +01:00
compat
doc lavf: allow custom IO for all files 2016-01-24 16:45:32 +01:00
libavcodec v210: x86: Add the correct guards around the asm code 2016-01-26 23:31:57 +01:00
libavdevice
libavfilter lavfi: Use AV_CEIL_RSHIFT where needed 2016-01-25 12:09:48 -05:00
libavformat yuv4mpegenc: Use AV_CEIL_RSHIFT where needed 2016-01-25 12:02:44 -05:00
libavresample
libavutil x86: Add ymm_reg struct 2016-01-28 00:41:19 +01:00
libswscale yuv2rgb: Document the color space coefficients 2016-01-20 11:18:31 -05:00
presets
tests x86inc: Add debug symbols indicating sizes of compiled functions 2016-01-23 20:46:28 +01:00
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avconv.c avconv: Drop an impossible check 2016-01-04 16:58:32 +01:00
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avplay.c avplay: Allow to override the codec 2016-01-25 09:12:02 +01:00
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Changelog swfdec: support compressed swf 2016-01-11 15:32:56 -05:00
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configure configure: add missing avx2 support check 2016-01-28 00:43:23 +01:00
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README.md

Libav

Build Status

Libav 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 a mean to alter decoded Audio and Video through chain of filters.
  • libavdevice provides an abstraction to access capture and playback devices.
  • libavresample implements audio mixing and resampling routines.
  • libswscale implements color conversion and scaling routines.

Tools

  • avconv is a command line toolbox to manipulate, convert and stream multimedia content.
  • avplay is a minimalistic multimedia player.
  • avprobe is a simple analisys 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

Conding examples are available in the doc/example directory.

License

Libav codebase is mainly LGPL-licensed with optional components licensed under GPL. Please refer to the LICENSE file for detailed information.