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Mark Thompson 3cae7f8b9b cbs: Add some read/write tests 
Use the appropriate metadata filter for each codec - in the absence of any
options to modify the stream, the output bitstream should be identical to
the input (though the output file may differ in padding).

All tests use conformance bitstreams, the MPEG-2 streams are newly added
from the conformance test streams
<http://standards.iso.org/ittf/PubliclyAvailableStandards/ISO_IEC_13818-4_2004_Conformance_Testing/Video/>
 		2017-09-26 23:33:36 +01:00
avbuild msvc: Properly specify dllexport for data symbols shared across dll boundaries 2017-08-31 14:22:06 +03:00
avtools avconv: when using -loop option bail out if seek to start fails 2017-07-28 13:13:44 +02:00
compat makedef: Extend the script for use with mingw tools as well 2017-08-31 14:22:18 +03:00
doc pixdesc: Add API to map color property names to enum values 2017-09-21 13:23:21 +02:00
libavcodec cbs_h264: Fix writing streams with auxiliary pictures 2017-09-25 20:42:42 +01:00
libavdevice avfoundation: update to use AVCodecParameters 2017-04-26 11:47:31 -04:00
libavfilter libavfilter/overlay_qsv: Add QSV overlay vpp filter 2017-09-17 19:59:06 +02:00
libavformat http: Reset compressed header flag when starting to read a request 2017-09-26 13:36:21 +03:00
libavresample Bump major versions of all libraries 2017-03-23 09:56:20 +01:00
libavutil pixdesc: Add API to map color property names to enum values 2017-09-21 13:23:21 +02:00
libswscale swscale: Do not expand a macro with 'defined' in it 2017-08-28 10:26:14 +02:00
presets
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tests cbs: Add some read/write tests 2017-09-26 23:33:36 +01:00
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
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 doc: Add travis badge 2015-09-14 00:19:08 +02:00
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configure libavfilter/overlay_qsv: Add QSV overlay vpp filter 2017-09-17 19:59:06 +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.