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wm4 1316df7aa9 lavu: add an API function to return the Libav version string 
This returns something like "v12_dev0-1332-g333a27c". This is much more
useful than the individual library versions, of which there are too
many, and which are very hard to map back to releases or git commits.

Signed-off-by: Janne Grunau <janne-libav@jannau.net>
2015-07-02 23:22:53 +02:00
compat w32pthreads: use the condition variable API directly when targeting newer versions of Windows 2014-10-10 11:27:30 +03:00
doc lavu: add an API function to return the Libav version string 2015-07-02 23:22:53 +02:00
libavcodec elsdec: Replace EOVERFLOW with INVALIDDATA 2015-07-01 16:26:42 +01:00
libavdevice lavd: Add library identifier 2015-07-01 00:13:58 +01:00
libavfilter lavfi: Add library identifier 2015-07-01 00:13:58 +01:00
libavformat mov: Log format rather than fourcc in stsd in trace mode 2015-07-01 00:13:58 +01:00
libavresample x86: check for AV_CPU_FLAG_AVXSLOW where useful 2015-05-31 12:07:11 +02:00
libavutil lavu: add an API function to return the Libav version string 2015-07-02 23:22:53 +02:00
libswscale ppc: Restrict some Altivec implementations to Big Endian 2015-05-31 12:07:11 +02:00
presets presets: spelling error in libvpx 1080p50_60 2011-10-22 00:28:56 +02:00
tests fate-g2m3: disable the audio stream 2015-07-01 21:42:48 +02:00
tools cws2fws: Close file handles on error 2015-06-12 17:02:49 +01:00
.gitattributes Treat all '*.pnm' files as non-text file 2014-11-28 17:52:43 -05:00
.gitignore lavu: add an API function to return the Libav version string 2015-07-02 23:22:53 +02:00
arch.mak ppc: vsx: Implement float_dsp 2015-05-31 12:07:11 +02:00
avconv_dxva2.c avconv_dxva2: add hevc support 2015-01-27 09:06:05 +01:00
avconv_filter.c avconv: Add an option for automatically rotating video according to display matrix 2015-05-02 22:09:06 +03:00
avconv_opt.c avconv_opt: Check localtime() return value 2015-06-12 17:02:48 +01:00
avconv_vda.c avconv: Support VDA hwaccel 2014-05-11 15:00:03 +02:00
avconv_vdpau.c avconv_vdpau: allocate video surface of VDPAU-specified size 2014-12-25 20:47:49 +01:00
avconv.c avconv: do not stop processing the input packet on decoding error 2015-06-27 16:45:41 +02:00
avconv.h avconv: Add an option for automatically rotating video according to display matrix 2015-05-02 22:09:06 +03:00
avplay.c avplay: Add support for rotated video 2015-05-02 22:06:29 +03:00
avprobe.c avprobe: Print the display matrix from per-stream sidedata 2015-05-02 22:09:09 +03:00
Changelog Go2Meeting decoder 2015-07-01 01:08:15 +02:00
cmdutils_common_opts.h avplay: Accept cpuflags option 2013-10-22 10:49:31 +02:00
cmdutils.c lavu: add an API function to return the Libav version string 2015-07-02 23:22:53 +02:00
cmdutils.h cmdutils: Mark exit_program as av_noreturn 2014-03-28 00:40:43 +01:00
common.mak build: export library dependencies in ${name}_FFLIBS 2014-05-20 00:43:51 +02:00
configure configure: Check for x265_api_get 2015-06-27 11:44:20 +01:00
COPYING.GPLv2 Rename COPYING.GPL --> COPYING.GPLv2 and COPYING.LGPL --> COPYING.LGPLv2.1. 2009-06-05 09:51:31 +00:00
COPYING.GPLv3 Add configure option to upgrade (L)GPL to version 3. 2009-06-05 11:04:03 +00:00
COPYING.LGPLv2.1 cosmetics: Delete empty lines at end of file. 2012-02-09 12:26:45 +01:00
COPYING.LGPLv3 Add configure option to upgrade (L)GPL to version 3. 2009-06-05 11:04:03 +00:00
CREDITS partially rename FFmpeg to Libav 2011-03-16 21:54:39 +01:00
INSTALL doc: clarify configure features 2011-04-07 02:54:12 +02:00
library.mak build: Support executable only ldflags 2014-07-21 22:18:35 +02:00
LICENSE license: Mention that vf_interlace is GPL, not LGPL 2014-08-28 19:47:43 +02:00
Makefile lavu: add an API function to return the Libav version string 2015-07-02 23:22:53 +02:00
README doc: Add more information in the README 2014-08-16 00:49:22 +02:00
README.md doc: Add more information in the README 2014-08-16 00:49:22 +02:00
RELEASE Make the RELEASE file match with the most recent tag 2014-12-01 07:51:14 -05:00
version.sh Drop git- prefix from version labels 2011-06-19 19:41:23 +01:00

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.