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FFmpeg git repo
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Rostislav Pehlivanov fcb681ac3e aacenc: use the fast coder as the default 
The twoloop coder sounds decent at low bitrates, however at higher bitrates
it sounds worse than the fast coder (which used to be the old twoloop coder
before October 2015) and needs quite a lot more CPU.
Change the default to fast. It has been well tested and has had little changes
over the years so its been confirmed to be quite stable.
Also change its description (not valid for more than a year) and the
documentation.

Signed-off-by: Rostislav Pehlivanov <atomnuker@gmail.com>
2018-01-13 12:03:19 +00:00
compat compat/os2threads: support static mutexes 2018-01-07 00:14:12 -03:00
doc aacenc: use the fast coder as the default 2018-01-13 12:03:19 +00:00
ffbuild Merge commit '17b6c7efb471e8ff1b8a7271f6531ba1d52bf69c' 2017-11-12 01:02:02 -03:00
fftools fftools/ffmpeg_opt: Remove a write-only variable. 2018-01-08 00:17:00 +01:00
libavcodec aacenc: use the fast coder as the default 2018-01-13 12:03:19 +00:00
libavdevice avdevice/gdigrab: Fix screen size and mouse position calculations on hi-DPI screens 2018-01-12 12:31:55 +01:00
libavfilter avfilter/vf_framerate: simplify filter 2018-01-12 23:40:41 +01:00
libavformat avformat/http: fix memory leak in parse_cookie. 2018-01-12 12:31:55 +01:00
libavresample avresample: remove deprecated attribute from the AVAudioResampleContext struct 2018-01-09 10:56:53 -03:00
libavutil avutil/mastering_display_metadata: fix copyright header wrongly formated as doxy 2018-01-11 11:35:51 -03:00
libpostproc postproc: Drop deprecated qp typedef 2017-10-22 00:35:23 -03:00
libswresample lswr/rematrix: Support s32p. 2017-11-01 01:04:43 +01:00
libswscale Fix missing used attribute for inline assembly variables 2017-11-13 03:58:34 +01:00
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tests aacenc: use the fast coder as the default 2018-01-13 12:03:19 +00:00
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Changelog Changelog: add VideoToolbox HEVC support 2018-01-06 15:30:07 -08:00
configure configure: Simplify detection of static x264 on systems without pkg-config. 2018-01-11 11:12:38 +01:00
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Makefile Makefile: fix distclean target 2017-11-13 17:37:56 -03:00
README.md Remove the ffserver program 2018-01-06 18:31:37 +00:00
RELEASE RELEASE: update for git after 3.4 branchpoint 2017-10-11 02:46:23 +02:00

README.md

FFmpeg README

FFmpeg 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.
  • libswresample implements audio mixing and resampling routines.
  • libswscale implements color conversion and scaling routines.

Tools

  • ffmpeg is a command line toolbox to manipulate, convert and stream multimedia content.
  • ffplay is a minimalistic multimedia player.
  • ffprobe is a simple analysis 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

Coding examples are available in the doc/examples directory.

License

FFmpeg codebase is mainly LGPL-licensed with optional components licensed under GPL. Please refer to the LICENSE file for detailed information.

Contributing

Patches should be submitted to the ffmpeg-devel mailing list using git format-patch or git send-email. Github pull requests should be avoided because they are not part of our review process and will be ignored.