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James Almer df3a2ff767 avcodec/cbs: use a reference to the assembled CodedBitstreamFragment buffer when writing packets 
This saves one malloc + memcpy per packet

The CodedBitstreamFragment buffer is padded to follow the requirements
of AVPacket.

Reviewed-by: jkqxz
Signed-off-by: James Almer <jamrial@gmail.com>
 		2018-03-05 11:44:51 -03:00
compat compat: remove in-tree NVidia headers 2018-02-27 16:22:12 +01:00
doc doc/bitstream_filters: correct dump_extra bsfs docs. 2018-03-03 23:01:41 +01:00
ffbuild Merge commit '17b6c7efb471e8ff1b8a7271f6531ba1d52bf69c' 2017-11-12 01:02:02 -03:00
fftools fftools/ffmpeg: update print_report to use AVBPrint API 2018-03-05 09:24:55 +01:00
libavcodec avcodec/cbs: use a reference to the assembled CodedBitstreamFragment buffer when writing packets 2018-03-05 11:44:51 -03:00
libavdevice avdevice: add android_camera indev 2018-02-22 00:29:27 +01:00
libavfilter avfilter/avf_concat: add next command 2018-03-01 12:54:06 +01:00
libavformat avformat/mov: Initialize a potential gap in ctts_data in mov_build_index 2018-03-05 01:16:34 +01:00
libavresample avresample: remove deprecated attribute from the AVAudioResampleContext struct 2018-01-09 10:56:53 -03:00
libavutil parseutils: add support for ms and us suffix for AV_OPT_TYPE_DURATION 2018-03-02 22:57:08 +01:00
libpostproc postproc: Drop deprecated qp typedef 2017-10-22 00:35:23 -03:00
libswresample swresample/rematrix: fix update of channel matrix if input or output layout is undefined 2018-02-19 08:32:25 +01:00
libswscale swscale: Introduce a helper to identify semi-planar formats 2018-03-03 15:20:19 -08:00
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tests swscale: Add p016 output support and generalise yuv420p1x to p010 2018-03-02 14:52:48 -08:00
tools fftools, tools, examples: migrate to AVFormatContext->url 2018-01-28 23:06:43 +01:00
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LICENSE.md
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MAINTAINERS Add myself as codec2 maintainer 2018-02-24 17:06:31 +01:00
Makefile lavd: add new API for iterating input and output devices 2018-02-06 18:57:42 +00:00
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RELEASE RELEASE: update for git after 3.4 branchpoint 2017-10-11 02:46:23 +02:00
configure compat: remove in-tree NVidia headers 2018-02-27 16:22:12 +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.