You can not select more than 25 topics Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
 
 
 
 
John Stebbins da7e561964 matroskaenc: Allow writing track "forced" flag 10 years ago
compat w32pthreads: use the condition variable API directly when targeting newer versions of Windows 10 years ago
doc Canopus HQX decoder 10 years ago
libavcodec qsv: Skip qsv.h compilation if qsv is not enabled 10 years ago
libavdevice bktr: Use av_strerror and propagate error codes 10 years ago
libavfilter graphparser: Check av_get_token() memory error 10 years ago
libavformat matroskaenc: Allow writing track "forced" flag 10 years ago
libavresample libavresample: NEON optimized FIR audio resampling 10 years ago
libavutil libavutil: Add ARM av_clip_intp2_arm 10 years ago
libswscale swscale: Check memory allocations 10 years ago
presets presets: spelling error in libvpx 1080p50_60 13 years ago
tests fate: Rename fate-dts test to fate-dca-core 10 years ago
tools sidxindex: Remove parsing that isn't necessary any longer 10 years ago
.gitattributes Treat all '*.pnm' files as non-text file 10 years ago
.gitignore Ignore generated file tools/sidxindex. 10 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 libavformat: add T.140 RTP depacketization (RFC 4103) 10 years ago
INSTALL doc: clarify configure features 14 years ago
LICENSE license: Mention that vf_interlace is GPL, not LGPL 10 years ago
Makefile configure: add support for neon intrinsics 10 years ago
README doc: Add more information in the README 10 years ago
README.md doc: Add more information in the README 10 years ago
RELEASE Make the RELEASE file match with the most recent tag 10 years ago
arch.mak aarch64: add armv8 CPU flag 11 years ago
avconv.c avconv: copy stream-level side data when streamcopying 10 years ago
avconv.h avconv: do not use the stream codec context for encoding 11 years ago
avconv_dxva2.c avconv_dxva2: add hevc support 10 years ago
avconv_filter.c avconv: fix leak in filter error 10 years ago
avconv_opt.c avconv: Check rc_override memory allocation 10 years ago
avconv_vda.c avconv: Support VDA hwaccel 11 years ago
avconv_vdpau.c avconv_vdpau: allocate video surface of VDPAU-specified size 10 years ago
avplay.c avplay: Check format allocation inside decode_thread() 10 years ago
avprobe.c Don't anonymously typedef structs 10 years ago
cmdutils.c cmdutils: update copyright year to 2015. 10 years ago
cmdutils.h cmdutils: Mark exit_program as av_noreturn 11 years ago
cmdutils_common_opts.h avplay: Accept cpuflags option 11 years ago
common.mak build: export library dependencies in ${name}_FFLIBS 11 years ago
configure configure: Properly fail when libcdio/cdparanoia is not found 10 years ago
library.mak build: Support executable only ldflags 10 years ago
version.sh Drop git- prefix from version labels 14 years ago

README.md

Libav

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.