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Zhong Li 8bb9824fcb
qsvenc: AVBR is not supported on non-windows OS 		7 years ago
avbuild build: Add missing config.sh dependency for pkg-config files 7 years ago
avtools cmdutils: update copyright year to 2018 7 years ago
compat makedef: Pass EXTERN_PREFIX from configure to makedef 7 years ago
doc lavfi: Add support for increasing hardware frame pool sizes 7 years ago
libavcodec qsvenc: AVBR is not supported on non-windows OS 7 years ago
libavdevice Remove dv1394 input device 7 years ago
libavfilter vf_hwupload/hwmap: Support setting a fixed pool size 7 years ago
libavformat Drop some unnecessary config.h #includes 7 years ago
libavresample Bump major versions of all libraries 8 years ago
libavutil hwcontext: Perform usual uninitialisation on derived frames contexts 7 years ago
libswscale build: Drop check for sys/mman.h in favor of mmap() check 7 years ago
presets presets: spelling error in libvpx 1080p50_60 13 years ago
tests checkasm: Use LOCAL_ALIGNED for aligned variables on the stack 7 years ago
tools aviocat: Check for output write errors 8 years ago
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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.