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Mark Thompson 6af014f402 vaapi_encode: Use gop_size consistently in RC parameters 
The non-H.26[45] codecs already use this form.  Since we don't
currently generate I frames for codecs which support them separately
to IDR, the p_per_i variable is set to infinity by default so that it
doesn't interfere with any other calculation.  (All the code for I
frames still exists, and it works for H.264 if set manually.)
 		2017-04-26 22:00:33 +01:00
avbuild build: Generalize yasm/nasm-related variable names 2017-03-01 10:18:15 +01:00
avtools avprobe: Handle unknown values for the color description 2017-04-25 00:38:07 +02:00
compat compat/atomics: add typecasts in atomic_compare_exchange_strong() 2016-12-08 15:53:58 -05:00
doc Add ClearVideo decoder 2017-04-25 15:39:10 +02:00
libavcodec vaapi_encode: Use gop_size consistently in RC parameters 2017-04-26 22:00:33 +01:00
libavdevice avfoundation: update to use AVCodecParameters 2017-04-26 11:47:31 -04:00
libavfilter filtfmts-test: Mark filter as const 2017-04-10 09:04:41 -04:00
libavformat matroskaenc: don't warn about unknown spherical metadata when there isn't any 2017-04-26 09:12:47 +02:00
libavresample Bump major versions of all libraries 2017-03-23 09:56:20 +01:00
libavutil mem: uninline av_malloc(z)_array() 2017-04-26 09:05:28 +02:00
libswscale swscale-test: const correctness 2017-04-24 16:10:05 +02:00
presets
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tests checkasm: hevc: Add a hevc_ prefix to the add_residual functions 2017-04-21 13:32:44 +03:00
tools build: Move entries related to building TOOLS to a subdirectory Makefile 2016-12-07 11:02:31 +01:00
.gitattributes
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.gitignore build: Ignore generated .version files 2017-02-03 11:37:53 +01:00
.travis.yml travis: Exclude gcc for the macOS target 2017-04-20 12:53:08 +02:00
COPYING.GPLv2
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COPYING.GPLv3
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COPYING.LGPLv2.1
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COPYING.LGPLv3
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CREDITS
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Changelog Add ClearVideo decoder 2017-04-25 15:39:10 +02:00
INSTALL
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LICENSE
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Makefile build: Allow generating dependencies as a side-effect of assembling 2017-03-01 10:18:15 +01:00
README
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README.md
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RELEASE Make the RELEASE file match with the most recent tag 2016-10-14 13:52:51 -04:00
configure configure: Fix sem_timedwait probe 2017-04-25 00:38:07 +02:00

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.