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Martin Storsjö c91d6a33f8
checkasm: aarch64: Add filler args to make sure all parameters are passed on the stack 		8 years ago
compat Add a compat dummy stdatomic.h used when threading is disabled 8 years ago
doc lavc: add a bitstream filter for extracting extradata from packets 8 years ago
libavcodec lavc: add a bitstream filter for extracting extradata from packets 8 years ago
libavdevice v4l2: convert to stdatomic 8 years ago
libavfilter vf_scale_vaapi: Crop input surface to active region 8 years ago
libavformat lavf: use the new bitstream filter for extracting extradata 8 years ago
libavresample build: Change structure of the linker version script templates 9 years ago
libavutil Add GBRAP12 pixel format support 8 years ago
libswscale swscale: Add the GBRAP12 output 8 years ago
presets presets: spelling error in libvpx 1080p50_60 13 years ago
tests checkasm: aarch64: Add filler args to make sure all parameters are passed on the stack 8 years ago
tools tools: Port to codec parameters API 9 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 8 years ago
Makefile build: Simplify postprocessing of linker version script files 9 years ago
README doc: Add more information in the README 10 years ago
README.md doc: Add travis badge 9 years ago
RELEASE Make the RELEASE file match with the most recent tag 8 years ago
arch.mak ppc: vsx: Implement float_dsp 10 years ago
avconv.c avconv: only retry decoding on actual decoding errors 8 years ago
avconv.h avconv: stop using setpts for input framerate forced with -r 8 years ago
avconv_dxva2.c avconv_dxva2: add a profile check for hevc 8 years ago
avconv_filter.c avconv: make sure the filtergraph is freed on init failure 8 years ago
avconv_opt.c avconv: init filtergraphs only after we have a frame on each input 9 years ago
avconv_qsv.c avconv_qsv: use the actual pixel format provided by lavc 8 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 9 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: Fix memory leak 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 9 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 configure: #include stdint.h as part of libxavs test 8 years ago
library.mak build: Simplify postprocessing of linker version script files 9 years ago
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.