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Huang, Zhengxu a5a6ac1a12
libavfilter/overlay_qsv: Add QSV overlay vpp filter 		7 years ago
avbuild msvc: Properly specify dllexport for data symbols shared across dll boundaries 7 years ago
avtools avconv: when using -loop option bail out if seek to start fails 8 years ago
compat makedef: Extend the script for use with mingw tools as well 7 years ago
doc lavf: make avio_read_partial() public 7 years ago
libavcodec vaapi_mpeg2: Convert to use coded bitstream infrastructure 7 years ago
libavdevice avfoundation: update to use AVCodecParameters 8 years ago
libavfilter libavfilter/overlay_qsv: Add QSV overlay vpp filter 7 years ago
libavformat avio: update avio_alloc_context() doxy 7 years ago
libavresample Bump major versions of all libraries 8 years ago
libavutil msvc: Properly specify dllexport for data symbols shared across dll boundaries 7 years ago
libswscale swscale: Do not expand a macro with 'defined' in it 7 years ago
presets presets: spelling error in libvpx 1080p50_60 13 years ago
tests mpeg12: Move finding the best frame rate to common code 7 years ago
tools aviocat: Check for output write errors 7 years ago
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CREDITS partially rename FFmpeg to Libav 14 years ago
Changelog libavfilter/overlay_qsv: Add QSV overlay vpp filter 7 years ago
INSTALL doc: clarify configure features 14 years ago
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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.