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James Almer 94fe138de0 avcodec/decode: flush the internal bsfs instead of constantly reinitalizing them 
Initialize the bsfs once when opening the codec and uninitialize them once when
closing it, instead of at every codec flush/seek.

Signed-off-by: James Almer <jamrial@gmail.com>
2018-08-16 23:43:12 -03:00
compat
doc avcodec/bsf: add a flushing mechanism to AVBSFContext 2018-08-16 23:43:10 -03:00
ffbuild
fftools ffmpeg: simplify refcounting packets for the muxing queue 2018-08-07 18:42:35 -03:00
libavcodec avcodec/decode: flush the internal bsfs instead of constantly reinitalizing them 2018-08-16 23:43:12 -03:00
libavdevice avdevice/v4l2enc: add video4linux2 name alias 2018-06-18 16:26:23 -08:00
libavfilter lavfi: fix can't dispaly "slice" sub-option in "ffmpeg -h full" 2018-08-16 19:45:07 +08:00
libavformat avformat: correct fdebug loglevel 2018-08-14 22:06:30 +05:30
libavresample
libavutil avutil/encryption_info: Fix size calculation. 2018-08-15 01:33:45 +02:00
libpostproc
libswresample swresample/swresample: Fix input channel count in resample_first computation 2018-07-26 02:42:42 +02:00
libswscale libswscale: Adds conversions from/to float gray format. 2018-08-14 18:22:39 +02:00
presets
tests libswscale: Adds conversions from/to float gray format. 2018-08-14 18:22:39 +02:00
tools tools/qt-faststart: Allow free atoms after moov atom. 2018-08-01 00:49:54 +02:00
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Changelog lavc, doc, configure: add avs2 video decoder wrapper 2018-07-27 20:07:56 +08:00
configure lavfi: add erosion_opencl, dilation_opencl filters 2018-08-12 21:52:06 +01:00
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MAINTAINERS MAINTAINERS: add myself to MIPS section 2018-08-08 01:00:10 +02:00
Makefile avcodec/parser: move parsers list and related API to its own file 2018-07-21 16:08:29 -03:00
README.md
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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.