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wm4 a64a5773ea pixfmt: remove misleading and broken documentation 
This was probably broken some time ago. The breakage is now part of the
ABI. For example, we have:

    AV_PIX_FMT_XYZ12BE
    AV_PIX_FMT_NV16
    AV_PIX_FMT_NV20LE

AV_PIX_FMT_NV20LE is wrong. It has the value 113, but as little-endian
format it should be even. This must have been quite obvious when these
formats were added (because of the AV_PIX_FMT_XYZ12BE entry), but
nobody cared or knew about this.

The future libavutil major bump will also break this additionally,
because disabling FF_API_VDPAU will remove an odd number of entries from
the middle of the enum.

Signed-off-by: Luca Barbato <lu_zero@gentoo.org>
2015-05-28 18:40:40 +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 doc: Fix spelling of 'Transmission' 2015-05-26 13:41:44 +02:00
libavcodec x86: cavs: Remove an unneeded scratch buffer 2015-05-28 18:40:40 +02:00
libavdevice xcbgrab: Accept geometries matching the screen size 2015-05-06 12:25:32 +02:00
libavfilter lavfi: Move avcodec header to the only filter needing it 2015-05-19 18:56:40 +01:00
libavformat tls_gnutls: Add missing includes for the gcrypt thread safety callbacks 2015-05-28 15:05:52 +03:00
libavresample avresample: Reallocate the internal buffer to the correct size 2015-04-28 23:51:51 +02:00
libavutil pixfmt: remove misleading and broken documentation 2015-05-28 18:40:40 +02:00
libswscale swscale: Check memory allocation 2015-03-21 23:18:11 +01:00
presets presets: spelling error in libvpx 1080p50_60 2011-10-22 00:28:56 +02:00
tests fate: Reduce the number of frames used to test video filters 2015-05-10 13:49:30 +02:00
tools ismindex: Calculate the pts duration of trun atoms, not the dts duration 2015-03-19 10:27:22 +02:00
.gitattributes Treat all '*.pnm' files as non-text file 2014-11-28 17:52:43 -05:00
.gitignore Ignore generated file tools/sidxindex. 2015-02-02 20:09:27 +01:00
arch.mak aarch64: add armv8 CPU flag 2014-04-06 21:18:49 +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: Add an option for automatically rotating video according to display matrix 2015-05-02 22:09:06 +03:00
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: Add an option for automatically rotating video according to display matrix 2015-05-02 22:09:06 +03:00
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 D3D11va: add a Direct3D11 video decoder similar to DXVA2 2015-05-25 11:47:08 +02:00
cmdutils_common_opts.h avplay: Accept cpuflags option 2013-10-22 10:49:31 +02:00
cmdutils.c log: Introduce a more verbose debug level 2015-04-19 12:41:59 +01:00
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 lavf: split tls.c 2015-05-26 21:48:32 +03:00
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 configure: add support for neon intrinsics 2014-07-21 23:18:29 +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.