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.
 
 
 
 
Vittorio Giovara 629b2ed0ac flvdec: make sure to check create_stream and report the same error 10 years ago
compat w32pthreads: use the condition variable API directly when targeting newer versions of Windows 10 years ago
doc lavc: deprecate the use of AVCodecContext.time_base for decoding 10 years ago
libavcodec lavc: make lmax/lmin into private options of mpegvideo encoders 10 years ago
libavdevice oss_audio: use a macro to simplify ioctl() error checking 10 years ago
libavfilter vf_format: check input validity 10 years ago
libavformat flvdec: make sure to check create_stream and report the same error 10 years ago
libavresample avresample: Make sure the even check does not overflow 10 years ago
libavutil pixdesc: return color properties names 10 years ago
libswscale swscale: fix sign extensions in yuv planar conversion 10 years ago
presets presets: spelling error in libvpx 1080p50_60 13 years ago
tests fate-mpeg4: use TARGET_SAMPLES for resize tests 10 years ago
tools ismindex: use tfhd default duration if no sample duration 10 years ago
.gitignore fate: Split fate-pixdesc tests and dispatch them through Make 11 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 rtpenc: HEVC/H.265 support 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 11 years ago
README doc: Add more information in the README 11 years ago
README.md doc: Add more information in the README 11 years ago
RELEASE Prepare for 11_beta2 Release 10 years ago
arch.mak aarch64: add armv8 CPU flag 11 years ago
avconv.c lavc: deprecate unused me_threshold field 10 years ago
avconv.h avconv: do not use the stream codec context for encoding 11 years ago
avconv_dxva2.c avconv_dxva2: define all used GUIDs directly instead of relying on the dxva2api.h header 11 years ago
avconv_filter.c avconv: fix leak in filter error 10 years ago
avconv_opt.c avconv: fix parsing the AVOptions for -target 10 years ago
avconv_vda.c avconv: Support VDA hwaccel 11 years ago
avconv_vdpau.c avconv_vdpau: update to new VDPAU interface 10 years ago
avplay.c avplay: Always free opts 10 years ago
avprobe.c avprobe: Remove a pointless check 10 years ago
cmdutils.c cmdutils: Use the correct guard 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 w32pthreads: use the CONDITION_VARIABLE typedef if available 10 years ago
library.mak build: Support executable only ldflags 11 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.