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Ronald S. Bultje c935b54bd6 checkasm: add VP9 loopfilter tests. 
The randomize_buffer() implementation assures that "most of the time",
we'll do a good mix of wide16/wide8/hev/regular/no filters for complete
code coverage. However, this is not mathematically assured because that
would make the code either much more complex, or much less random.

Some fixes and improvements by Rodger Combs <rodger.combs@gmail.com>

Signed-off-by: Anton Khirnov <anton@khirnov.net>
2016-10-04 10:54:07 +02:00
compat Add a compat dummy stdatomic.h used when threading is disabled 2016-10-02 18:57:56 +02:00
doc hwcontext_vaapi: add a quirk for the missing MemoryType attribute 2016-10-02 11:41:45 +02:00
libavcodec vp9: ignore reference segmentation map if error_resilience flag is set. 2016-10-04 10:54:07 +02:00
libavdevice v4l2: convert to stdatomic 2016-10-02 19:34:57 +02:00
libavfilter
libavformat avidec: Set palette alpha as fully opaque 2016-10-02 15:42:03 -04:00
libavresample
libavutil pixfmt: Document alternative names for smpte 431 and 432 2016-10-02 15:42:03 -04:00
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presets
tests checkasm: add VP9 loopfilter tests. 2016-10-04 10:54:07 +02:00
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avconv_filter.c avconv: make sure the filtergraph is freed on init failure 2016-10-02 11:41:45 +02:00
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avconv.c avconv: only retry decoding on actual decoding errors 2016-10-02 11:41:45 +02:00
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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.