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hwcontext_qsv: Support derivation from child devices 		8 years ago
avbuild build: Generalize yasm/nasm-related variable names 8 years ago
avtools avconv: Support setting the hardware device to use when filtering 8 years ago
compat compat/atomics: add typecasts in atomic_compare_exchange_strong() 8 years ago
doc avconv: Support setting the hardware device to use when filtering 8 years ago
libavcodec vp9_raw_reorder_bsf: Remove a redundant allocation 8 years ago
libavdevice avfoundation: update to use AVCodecParameters 8 years ago
libavfilter filtfmts-test: Mark filter as const 8 years ago
libavformat mpeg4audio: Make avpriv_copy_pce_data() inline 8 years ago
libavresample Bump major versions of all libraries 8 years ago
libavutil hwcontext_qsv: Support derivation from child devices 8 years ago
libswscale swscale-test: const correctness 8 years ago
presets presets: spelling error in libvpx 1080p50_60 13 years ago
tests checkasm: hevc: Add a hevc_ prefix to the add_residual functions 8 years ago
tools build: Move entries related to building TOOLS to a subdirectory Makefile 8 years ago
.gitattributes Treat all '*.pnm' files as non-text file 10 years ago
.gitignore build: Ignore generated .version files 8 years ago
.travis.yml travis: Exclude gcc for the macOS target 8 years ago
COPYING.GPLv2 Rename COPYING.GPL --> COPYING.GPLv2 and COPYING.LGPL --> COPYING.LGPLv2.1. 16 years ago
COPYING.GPLv3 Add configure option to upgrade (L)GPL to version 3. 16 years ago
COPYING.LGPLv2.1 cosmetics: Delete empty lines at end of file. 13 years ago
COPYING.LGPLv3 Add configure option to upgrade (L)GPL to version 3. 16 years ago
CREDITS partially rename FFmpeg to Libav 14 years ago
Changelog Add ClearVideo decoder 8 years ago
INSTALL doc: clarify configure features 14 years ago
LICENSE Remove the legacy X11 screen grabber 9 years ago
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configure configure: Fix sem_timedwait probe 8 years ago

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.