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Mark Thompson 5b145290df lavc: Add support for increasing hardware frame pool sizes 
AVCodecContext.extra_hw_frames is added to the size of hardware frame
pools created by libavcodec for APIs which require fixed-size pools.
This allows the user to keep references to a greater number of frames
after decode, which may be necessary for some use-cases.

It is also added to the initial_pool_size value returned by
avcodec_get_hw_frames_parameters() if a fixed-size pool is required.
2018-02-11 22:00:33 +00:00
avbuild build: Add missing config.sh dependency for pkg-config files 2017-11-09 15:22:03 +01:00
avtools cmdutils: update copyright year to 2018 2018-01-01 02:51:51 -05:00
compat makedef: Pass EXTERN_PREFIX from configure to makedef 2017-11-16 16:54:08 +02:00
doc lavc: Add support for increasing hardware frame pool sizes 2018-02-11 22:00:33 +00:00
libavcodec lavc: Add support for increasing hardware frame pool sizes 2018-02-11 22:00:33 +00:00
libavdevice Remove dv1394 input device 2017-10-13 23:57:59 +02:00
libavfilter stereo3d: Support view type for frame sequence type 2017-11-28 14:56:51 -05:00
libavformat Drop some unnecessary config.h #includes 2018-02-06 10:03:15 +01:00
libavresample Bump major versions of all libraries 2017-03-23 09:56:20 +01:00
libavutil Drop some unnecessary config.h #includes 2018-02-06 10:03:15 +01:00
libswscale build: Drop check for sys/mman.h in favor of mmap() check 2017-10-10 23:20:16 +02:00
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tests checkasm: Use LOCAL_ALIGNED for aligned variables on the stack 2017-12-12 11:36:38 +02:00
tools aviocat: Check for output write errors 2017-09-04 09:42:52 +03:00
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Changelog libavfilter/overlay_qsv: Add QSV overlay vpp filter 2017-09-17 19:59:06 +02:00
configure configure: Factorize check_64_bit() 2018-02-06 11:13:19 +01:00
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README.md
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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.