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Alexander Kravchenko 80a4e6a46f amf: Replace writer_id option with LIBAV_AMF_WRITER_ID constant 
AMFTraceWriter is an abstraction to configure how AMF outputs its logs
for the current process and can be configured to output different levels
of trace output. If multiple LibavWriter objects are used in one process,
there will be duplication of output in av_log. Use a constant writer_id
to prevent this scenario.

Signed-off-by: Diego Biurrun <diego@biurrun.de>
 		2018-03-07 14:23:28 +01:00
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 examples: Use new API for transcoding example 2018-03-07 12:36:13 +01:00
libavcodec amf: Replace writer_id option with LIBAV_AMF_WRITER_ID constant 2018-03-07 14:23:28 +01:00
libavdevice Remove dv1394 input device 2017-10-13 23:57:59 +02:00
libavfilter vf_hwupload/hwmap: Support setting a fixed pool size 2018-02-11 22:11:10 +00:00
libavformat hls: Add a discontinuity marker on recover 2018-03-06 20:59:40 +01:00
libavresample Bump major versions of all libraries 2017-03-23 09:56:20 +01:00
libavutil qsv: Default PicStruct to progressive 2018-02-22 11:24:12 +01:00
libswscale build: Drop check for sys/mman.h in favor of mmap() check 2017-10-10 23:20:16 +02:00
presets
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tests fate: Error out more gracefully on configure failure 2018-02-26 13:30:05 +01:00
tools aviocat: Check for output write errors 2017-09-04 09:42:52 +03:00
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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
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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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Makefile Makefile: fix distclean target 2017-11-14 10:09:40 -03:00
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configure configure: Add check_as() helper function to simplify some expressions 2018-03-07 13:55:07 +01:00

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.