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Lynne 660d1d8e3b
aacenc: make the twoloop coder the default 
This used to be the default, but was reverted as it was slower than
the 'fast' coder by around 25%.
Since our encoder is still not very good, change back to the twoloop
coder by default. It has much better rate control management as well,
making it closer to CBR, and it sounds much better.
2021-05-21 17:43:13 +02:00
compat fix broken links to msdn documentation 2021-05-13 09:13:03 +10:00
doc avformat/mpegtsenc: add NIT support 2021-05-20 23:07:46 +02:00
ffbuild libavresample: Remove deprecated library 2021-04-27 10:43:13 -03:00
fftools ffmpeg: return no chosen output if an uninitialized stream is unavailable 2021-05-13 17:59:35 +03:00
libavcodec aacenc: make the twoloop coder the default 2021-05-21 17:43:13 +02:00
libavdevice avformat: move AVStream.{parser,need_parsing} to AVStreamInternal 2021-05-07 09:27:21 -03:00
libavfilter avfilter/avfiltergraph: Remove NULL checks after dereferences 2021-05-19 16:58:25 +02:00
libavformat avformat/mpegtsenc: add NIT support 2021-05-20 23:07:46 +02:00
libavutil avutil/imgutils: don't add offsets to NULL pointers 2021-05-12 15:52:50 -03:00
libpostproc Bump major versions of all libraries. 2021-04-27 11:48:05 -03:00
libswresample Bump major versions of all libraries. 2021-04-27 11:48:05 -03:00
libswscale Bump major versions of all libraries. 2021-04-27 11:48:05 -03:00
presets
tests avformat/flvdec: use milisecond precision for parsing timestamps 2021-05-20 20:39:14 +02:00
tools tools/target_dec_fuzzer: Adjust threshold for TAK 2021-05-12 23:00:07 +02:00
.gitattributes fate: add SCC test 2017-01-27 17:06:42 +01:00
.gitignore tools/python: add script to convert TensorFlow model (.pb) to native model (.model) 2019-07-01 10:23:47 -03:00
.mailmap mailmap: add entry for myself 2021-03-09 02:09:55 +00:00
.travis.yml Merge commit '899ee03088d55152a48830df0899887f055da1de' 2019-03-14 15:53:16 -03:00
Changelog avformat: add Argonaut Games CVG muxer 2021-05-12 20:27:02 +10:00
configure configure: fix some filter dependencies 2021-05-09 10:17:49 +02:00
CONTRIBUTING.md Add CONTRIBUTING.md 2016-09-18 10:02:13 +01:00
COPYING.GPLv2
COPYING.GPLv3
COPYING.LGPLv2.1
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CREDITS
INSTALL.md INSTALL.md: Fix Markdown formatting 2019-01-31 10:29:16 -09:00
LICENSE.md avfilter/vf_geq: Relicense to LGPL 2019-12-28 11:20:48 +01:00
MAINTAINERS avformat: add Argonaut Games CVG demuxer 2021-05-12 20:25:50 +10:00
Makefile libavresample: Remove deprecated library 2021-04-27 10:43:13 -03:00
README.md Remove the ffserver program 2018-01-06 18:31:37 +00:00
RELEASE Bump Versions before release/4.4 branch 2021-03-20 01:01:12 +01:00

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.