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Diego Biurrun 2025d37871
doc: Turn off noisy deprecation warnings in the option printer 		8 years ago
compat Add a compat dummy stdatomic.h used when threading is disabled 8 years ago
doc doc: Turn off noisy deprecation warnings in the option printer 8 years ago
libavcodec bink: Have function pointer prototype match implementation 8 years ago
libavdevice bktr: Use memset(0) instead of zero initialization for struct sigaction 8 years ago
libavfilter vf_drawtext: Move static keyword to beginning of variable declaration 8 years ago
libavformat rtmpproto: Restructure zlib code to avoid unreachable code warning 8 years ago
libavresample build: Change structure of the linker version script templates 9 years ago
libavutil audio_fifo: Drop write-only variable 8 years ago
libswscale Adjust printf conversion specifiers to match variable signedness 8 years ago
presets presets: spelling error in libvpx 1080p50_60 13 years ago
tests mov: Evaluate the movie display matrix 8 years ago
tools aviocat: Support avio options 8 years ago
.gitattributes Treat all '*.pnm' files as non-text file 10 years ago
.gitignore build: Ignore generated mapfile and remove it on distclean 9 years ago
.travis.yml travis: Enable OSX integration 9 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 Changelog: mark the release 12 branch 8 years ago
INSTALL doc: clarify configure features 14 years ago
LICENSE Remove the legacy X11 screen grabber 9 years ago
Makefile build: Hardcode avversion.h dependency 8 years ago
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arch.mak ppc: vsx: Implement float_dsp 10 years ago
avconv.c avconv: support parsing bitstream filter options 8 years ago
avconv.h avconv: support parsing bitstream filter options 8 years ago
avconv_dxva2.c avconv_dxva2: add a profile check for hevc 9 years ago
avconv_filter.c avconv: make sure the filtergraph is freed on init failure 8 years ago
avconv_opt.c avconv: support parsing bitstream filter options 8 years ago
avconv_qsv.c avconv_qsv: use the actual pixel format provided by lavc 9 years ago
avconv_vaapi.c avconv_vaapi: Convert to use hw_frames_ctx only 8 years ago
avconv_vda.c avconv: vda: Unlock the pixel buffer once it is accessed 10 years ago
avconv_vdpau.c avconv_vdpau: use the hwcontext device creation API 9 years ago
avplay.c Use AVFrame.pts instead of deprecated pkt_pts. 9 years ago
avprobe.c avprobe: Add -show_stream_entry to get a single stream property 8 years ago
cmdutils.c avconv: switch to the new BSF API 9 years ago
cmdutils.h avconv: use read_file() for reading the 2pass stats 10 years ago
cmdutils_common_opts.h avplay: Accept cpuflags option 11 years ago
common.mak build: Simplify postprocessing of linker version script files 9 years ago
configure examples/avcodec: split the remaining two examples into separate files 8 years ago
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version.sh build: remove hardcoded name of version header 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.