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Luca Barbato 8e7bea6dc6 configure: Improve requesting specific features 
Before this patch trying to enable only https by issuing

    --disable-protocols --enable-protocol=https --enable-gnutls

does not enable https, and

    --disable-all --enable-protocols

does not enable libavformat and the protocols component.

Now the default-enabled options are set after the explicitly
disabled/enabled options are evaluated.

If an explicitly enabled option cannot be enabled configure
will fail printing an error message.
2016-01-21 01:04:24 +01:00
compat
doc APIchanges: Add missing av_pix_fmt_get_chroma_sub_sample entry 2016-01-11 20:53:12 +01:00
libavcodec libkvazaar: Set frame rate as a rational number 2016-01-19 20:47:49 +01:00
libavdevice
libavfilter lavu: add AV_CEIL_RSHIFT and use it in various places 2016-01-11 15:32:56 -05:00
libavformat flvdec: Add sanity checking of the last packet size 2016-01-19 14:24:35 +02:00
libavresample avresample: Mark avresample_buffer() as pointer to const 2015-12-14 15:16:33 +01:00
libavutil lavu: add AV_CEIL_RSHIFT and use it in various places 2016-01-11 15:32:56 -05:00
libswscale yuv2rgb: Document the color space coefficients 2016-01-20 11:18:31 -05:00
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avconv.c avconv: Drop an impossible check 2016-01-04 16:58:32 +01:00
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Changelog swfdec: support compressed swf 2016-01-11 15:32:56 -05:00
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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.