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Anton Khirnov 8ea15afbf2 hwcontext_qsv: transfer data through the child context when VPP fails 
Uploading/downloading data through VPP may not work for some formats, in
that case we can still try to call av_hwframe_transfer_data() on the
child context.

Signed-off-by: Maxym Dmytrychenko <maxym.dmytrychenko@intel.com>
 		2016-11-07 12:47:33 +01:00
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 dxva2: fix surface selection when compiled with both d3d11va and dxva2 2016-11-07 10:05:12 +01:00
libavdevice bktr: Use memset(0) instead of zero initialization for struct sigaction 2016-10-22 17:34:55 +02:00
libavfilter lavfi: Hardware map filter 2016-11-03 23:49:05 +00:00
libavformat Drop unreachable break and return statements 2016-11-03 20:17:12 +01:00
libavresample
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libavutil hwcontext_qsv: transfer data through the child context when VPP fails 2016-11-07 12:47:33 +01:00
libswscale Adjust printf conversion specifiers to match variable signedness 2016-10-28 11:22:21 +02:00
presets
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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
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README.md
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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
avconv_dxva2.c
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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
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avconv_vdpau.c
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avplay.c
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avprobe.c avprobe: Add -show_stream_entry to get a single stream property 2016-11-01 11:27:52 -04:00
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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.