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wm4 98d73e4174 hwcontext_d3d11va: allocate staging texture lazily 
Makes dealing with formats that can not be used for staging textures
easier (DXGI_FORMAT_420_OPAQUE). It also saves memory if the staging
texture is never needed, so this is a good thing.

Signed-off-by: Luca Barbato <lu_zero@gentoo.org>
 		2017-06-27 00:23:12 +02:00
avbuild build: Add an option for passing linker flags to the shared library build 2017-06-22 13:54:34 +02:00
avtools avconv_hw: Free device on initialisation failure 2017-06-18 17:01:49 +01:00
compat compat/atomics: add typecasts in atomic_compare_exchange_strong() 2016-12-08 15:53:58 -05:00
doc dxva: add support for new dxva2 and d3d11 hwaccel APIs 2017-06-08 21:20:18 +02:00
libavcodec dxva: fix some warnings 2017-06-27 00:23:12 +02:00
libavdevice avfoundation: update to use AVCodecParameters 2017-04-26 11:47:31 -04:00
libavfilter af_bs2b: Add missing casts to complex pointer assignments 2017-06-21 12:24:13 +02:00
libavformat tls_gnutls: Readd support for nonblocking operation 2017-06-20 23:55:52 +03:00
libavresample Bump major versions of all libraries 2017-03-23 09:56:20 +01:00
libavutil hwcontext_d3d11va: allocate staging texture lazily 2017-06-27 00:23:12 +02:00
libswscale swscale-test: const correctness 2017-04-24 16:10:05 +02:00
presets
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tests movenc-test: Add tests for negative cts offsets 2017-05-15 14:08:53 +03:00
tools build: Move entries related to building TOOLS to a subdirectory Makefile 2016-12-07 11:02:31 +01:00
.gitattributes
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.gitignore build: Ignore generated .version files 2017-02-03 11:37:53 +01:00
.travis.yml travis: Exclude gcc for the macOS target 2017-04-20 12:53:08 +02:00
COPYING.GPLv2
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COPYING.LGPLv2.1
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CREDITS
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Changelog dxva: add support for new dxva2 and d3d11 hwaccel APIs 2017-06-08 21:20:18 +02:00
INSTALL
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LICENSE Remove the legacy X11 screen grabber 2016-07-29 19:03:10 +02:00
Makefile build: Allow generating dependencies as a side-effect of assembling 2017-03-01 10:18:15 +01:00
README.md
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RELEASE Make the RELEASE file match with the most recent tag 2016-10-14 13:52:51 -04:00
configure configure: Reset X86ASM_DEP(FLAGS) when probing for the assembler program 2017-06-24 21:30:42 +02:00

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.