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Mark Thompson d06aa24ba5 hwcontext: Hardware frame mapping 
Adds the new av_hwframe_map() function, which allows mapping between
hardware frames and normal memory, along with internal support for
implementing it.

Also adds av_hwframe_ctx_create_derived(), for creating a hardware
frames context associated with one device using frames mapped from
another by some hardware-specific means.
2016-11-03 23:49:01 +00:00
compat Add a compat dummy stdatomic.h used when threading is disabled 2016-10-02 18:57:56 +02:00
doc hwcontext: Hardware frame mapping 2016-11-03 23:49:01 +00:00
libavcodec Drop unreachable break and return statements 2016-11-03 20:17:12 +01:00
libavdevice bktr: Use memset(0) instead of zero initialization for struct sigaction 2016-10-22 17:34:55 +02:00
libavfilter vf_hwupload_cuda: Fix build error 2016-11-03 17:43:55 +01:00
libavformat Drop unreachable break and return statements 2016-11-03 20:17:12 +01:00
libavresample build: Change structure of the linker version script templates 2016-05-29 16:43:11 +02:00
libavutil hwcontext: Hardware frame mapping 2016-11-03 23:49:01 +00:00
libswscale Adjust printf conversion specifiers to match variable signedness 2016-10-28 11:22:21 +02:00
presets presets: spelling error in libvpx 1080p50_60 2011-10-22 00:28:56 +02:00
tests vp9: Flip the order of arguments in MC functions 2016-11-03 09:12:02 +02:00
tools aviocat: Support avio options 2016-10-25 15:43:56 +02:00
.gitattributes Treat all '*.pnm' files as non-text file 2014-11-28 17:52:43 -05:00
.gitignore build: Ignore generated mapfile and remove it on distclean 2016-05-27 11:27:24 +02:00
.travis.yml travis: Enable OSX integration 2015-11-17 16:51:00 +01:00
arch.mak ppc: vsx: Implement float_dsp 2015-05-31 12:07:11 +02:00
avconv_dxva2.c avconv_dxva2: add a profile check for hevc 2016-07-20 16:33:09 +02:00
avconv_filter.c avconv: make sure the filtergraph is freed on init failure 2016-10-02 11:41:45 +02:00
avconv_opt.c avconv: support parsing bitstream filter options 2016-11-02 10:08:28 +01:00
avconv_qsv.c avconv_qsv: use the actual pixel format provided by lavc 2016-07-22 19:08:12 +02:00
avconv_vaapi.c avconv_vaapi: Convert to use hw_frames_ctx only 2016-08-30 22:16:01 +01:00
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: use the hwcontext device creation API 2016-05-26 15:40:34 +02:00
avconv.c lavfi: Always propagate hw_frames_ctx through links 2016-11-02 20:29:05 +00:00
avconv.h avconv: support parsing bitstream filter options 2016-11-02 10:08:28 +01:00
avplay.c Use AVFrame.pts instead of deprecated pkt_pts. 2016-06-21 19:54:42 +02:00
avprobe.c avprobe: Add -show_stream_entry to get a single stream property 2016-11-01 11:27:52 -04:00
Changelog Changelog: mark the release 12 branch 2016-08-31 08:08:32 +02:00
cmdutils_common_opts.h avplay: Accept cpuflags option 2013-10-22 10:49:31 +02:00
cmdutils.c avconv: switch to the new BSF API 2016-03-20 08:15:01 +01:00
cmdutils.h avconv: use read_file() for reading the 2pass stats 2015-07-19 09:37:11 +02:00
common.mak build: Simplify postprocessing of linker version script files 2016-05-29 16:49:16 +02:00
configure examples/avcodec: split the remaining two examples into separate files 2016-11-02 10:16:04 +01:00
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COPYING.LGPLv2.1 cosmetics: Delete empty lines at end of file. 2012-02-09 12:26:45 +01:00
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CREDITS partially rename FFmpeg to Libav 2011-03-16 21:54:39 +01:00
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library.mak build: Drop duplicate asm recipe 2016-10-17 16:25:35 +02:00
LICENSE Remove the legacy X11 screen grabber 2016-07-29 19:03:10 +02:00
Makefile build: Hardcode avversion.h dependency 2016-10-27 11:54:06 +02:00
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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.