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Mark Thompson b88da98b34 hevc: Improve stream constraint values in common header 
Add comments to describe the sources of the constraint values expressed here,
and add some more related values which will be used in following patches.

Fix the incorrect values for SPS and PPS count (they are not the same as those
used for H.264), and remove HEVC_MAX_CU_SIZE because it is not used anywhere.
2017-08-05 23:54:35 +01:00
avbuild build: Add an option for passing linker flags to the shared library build 2017-06-22 13:54:34 +02:00
avtools avconv: when using -loop option bail out if seek to start fails 2017-07-28 13:13:44 +02:00
compat compat/atomics: add typecasts in atomic_compare_exchange_strong() 2016-12-08 15:53:58 -05:00
doc imgutils: add function to clear an image to black 2017-07-26 23:21:26 +02:00
libavcodec hevc: Improve stream constraint values in common header 2017-08-05 23:54:35 +01:00
libavdevice avfoundation: update to use AVCodecParameters 2017-04-26 11:47:31 -04:00
libavfilter lavf/vf_deinterlace_qsv: Enable the qsv deinterlace vpp 2017-07-25 13:27:52 +02:00
libavformat hevc: Improve stream constraint values in common header 2017-08-05 23:54:35 +01:00
libavresample Bump major versions of all libraries 2017-03-23 09:56:20 +01:00
libavutil imgutils: add function to clear an image to black 2017-07-26 23:21:26 +02:00
libswscale build: Add feature test macros for glibc 2.19+ 2017-07-10 10:22:56 +02:00
presets
tests fate/hevc: specify output pixel format explicitly 2017-07-28 14:12:36 +02:00
tools build: Move entries related to building TOOLS to a subdirectory Makefile 2016-12-07 11:02:31 +01:00
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.gitignore build: Ignore generated .version files 2017-02-03 11:37:53 +01:00
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Changelog hevcdec: add a CUVID hwaccel 2017-07-28 14:12:56 +02:00
configure hevcdec: add a CUVID hwaccel 2017-07-28 14:12:56 +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.