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Vittorio Giovara dca23ffbc7 lavc: Deprecate AVPicture structure and related functions 
This structure served as a bridge between data pointers and frames,
but it suffers from several limitations:
- it is not refcounted and data must be copied to every time
- it cannot be expanded without ABI break due to being used on the stack
- its functions are just wrappers to imgutils which add a layer of
  unneeded indirection, and maintenance burden
- it allows hacks like embedding uncompressed data in packets
- its use is often confusing to our users

AVFrame provides a much better API, and, if a full blown frame is not
needed, it is just as simple and more straightfoward to use data and
linesize arrays directly.

Signed-off-by: Vittorio Giovara <vittorio.giovara@gmail.com>
 		2015-10-22 13:32:15 +02:00
compat w32pthreads: fix mingw build on x86 with -msse2 or higher 2015-10-16 17:46:41 +02:00
doc lavc: Add data and linesize to AVSubtitleRect 2015-10-21 12:02:29 +02:00
libavcodec lavc: Deprecate AVPicture structure and related functions 2015-10-22 13:32:15 +02:00
libavdevice Replace any remaining avpicture function with imgutils 2015-10-21 11:59:59 +02:00
libavfilter vf_framepack: Use av_image_copy() where appropriate 2015-09-29 14:33:01 +02:00
libavformat Replace any remaining avpicture function with imgutils 2015-10-21 11:59:59 +02:00
libavresample avresample: Remove an unused variable 2015-09-29 14:33:01 +02:00
libavutil thread: Provide no-op variants for pthread_once 2015-10-14 14:35:34 +02:00
libswscale lavu: Drop the {minus,plus}1 suffix from AVComponentDescriptor fields 2015-09-07 12:37:47 +02:00
presets
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tests fate: Move screenpresso to the appropriate screen capture file 2015-10-15 15:47:16 +02:00
tools tools: Drop a stale header 2015-08-31 21:37:18 +02:00
.gitattributes Treat all '*.pnm' files as non-text file 2014-11-28 17:52:43 -05:00
.gitignore Checkasm: assembly testing and benchmarking tool 2015-07-12 16:39:07 +02:00
.travis.yml travis: fix dependencies 2015-09-12 12:29:27 +02:00
COPYING.GPLv2
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COPYING.GPLv3
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COPYING.LGPLv2.1 cosmetics: Delete empty lines at end of file. 2012-02-09 12:26:45 +01:00
COPYING.LGPLv3
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CREDITS
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Changelog avconv: add support for Intel QSV-accelerated transcoding 2015-10-16 20:01:37 +02:00
INSTALL
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LICENSE license: Mention that vf_interlace is GPL, not LGPL 2014-08-28 19:47:43 +02:00
Makefile avconv: add support for Intel QSV-accelerated transcoding 2015-10-16 20:01:37 +02:00
README doc: Add more information in the README 2014-08-16 00:49:22 +02:00
README.md doc: Add travis badge 2015-09-14 00:19:08 +02:00
RELEASE Make the RELEASE file match with the most recent tag 2014-12-01 07:51:14 -05:00
arch.mak ppc: vsx: Implement float_dsp 2015-05-31 12:07:11 +02:00
avconv.c avconv: add support for Intel QSV-accelerated transcoding 2015-10-16 20:01:37 +02:00
avconv.h avconv: add support for Intel QSV-accelerated transcoding 2015-10-16 20:01:37 +02:00
avconv_dxva2.c avconv_dxva2: add hevc support 2015-01-27 09:06:05 +01:00
avconv_filter.c avconv: Do not try to configure filter outputs without streams 2015-10-07 18:45:50 +02:00
avconv_opt.c avconv: add support for Intel QSV-accelerated transcoding 2015-10-16 20:01:37 +02:00
avconv_qsv.c avconv: add support for Intel QSV-accelerated transcoding 2015-10-16 20:01:37 +02:00
avconv_vda.c avconv: vda: Unlock the pixel buffer once it is accessed 2015-07-09 00:10:13 +02:00
avconv_vdpau.c avconv_vdpau: allocate video surface of VDPAU-specified size 2014-12-25 20:47:49 +01:00
avplay.c avplay: Replace avpicture functions with imgutils 2015-10-21 12:02:47 +02:00
avprobe.c avprobe: Print the display matrix from per-stream sidedata 2015-05-02 22:09:09 +03:00
cmdutils.c cmdutils: Print general codec capabilities 2015-10-15 15:47:08 +02:00
cmdutils.h avconv: use read_file() for reading the 2pass stats 2015-07-19 09:37:11 +02:00
cmdutils_common_opts.h avplay: Accept cpuflags option 2013-10-22 10:49:31 +02:00
common.mak build: add Solaris symbol versioning 2015-10-11 15:42:36 +02:00
configure build: add Solaris symbol versioning 2015-10-11 15:42:36 +02:00
library.mak build: Support executable only ldflags 2014-07-21 22:18:35 +02:00
version.sh
…

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.