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Zhong Li f8060865f3 qsvenc: use the compression_level to replace private option 
Use a common way to control target_usage, keeping consistent with vaapi
encoders. The private option preset is kept only for compatibility.

Signed-off-by: Zhong Li <zhong.li@intel.com>
Signed-off-by: Maxym Dmytrychenko <maxim.d33@gmail.com>
 		2018-06-11 13:33:23 +02:00
avbuild build: Add missing config.sh dependency for pkg-config files 2017-11-09 15:22:03 +01:00
avtools avprobe: Print a user-friendly version of the display matrix 2018-04-09 16:50:03 +02:00
compat w32pthreads: always use Vista+ API, drop XP support 2018-04-09 21:58:39 +02:00
doc avformat/libsrt: add latency options and deprecate tspbdelay 2018-06-04 18:47:48 +02:00
libavcodec qsvenc: use the compression_level to replace private option 2018-06-11 13:33:23 +02:00
libavdevice Remove dv1394 input device 2017-10-13 23:57:59 +02:00
libavfilter w32pthreads: always use Vista+ API, drop XP support 2018-04-09 21:58:39 +02:00
libavformat avformat/libsrt: add latency options and deprecate tspbdelay 2018-06-04 18:47:48 +02:00
libavresample Bump major versions of all libraries 2017-03-23 09:56:20 +01:00
libavutil random_seed: use bcrypt instead of the old wincrypt API 2018-04-19 10:54:26 +03:00
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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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.