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Andreas Rheinhardt a9844341f7 avformat/matroskaenc: Only write Tracks if there is a track 
The Matroska muxer does not write every stream as a Matroska track;
some streams are written as AttachedFile. But should no stream be
written as a Matroska track, the Matroska muxer would nevertheless
write a Tracks element without a TrackEntry. This is against the spec.
This commit changes this and only writes a Tracks if there is a Matroska
track.

Signed-off-by: Andreas Rheinhardt <andreas.rheinhardt@gmail.com>
 		2020-04-21 07:49:39 +02:00
compat compat/avisynth: remove avisynth headers 2020-04-05 01:17:55 +02:00
doc avformat/dashenc: add a PlaybackRate element 2020-04-20 13:49:15 -03:00
ffbuild common.mak: Also clean Windows debug files. 2020-03-21 18:46:00 +01:00
fftools cmdutils: stop using deprecated av_codec_next() 2020-04-20 14:50:03 +00:00
libavcodec avcodec/pngdec: Pass ret from decode_iccp_chunk() 2020-04-20 20:38:41 +02:00
libavdevice avdevice/opengl: add support of wrapped avframe codec 2020-04-16 23:52:12 +02:00
libavfilter avfilter: add maskedthreshold filter 2020-04-18 12:34:49 +02:00
libavformat avformat/matroskaenc: Only write Tracks if there is a track 2020-04-21 07:49:39 +02:00
libavresample
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libavutil avutil/log: update text requesting samples 2020-04-17 00:08:56 +02:00
libpostproc
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libswresample
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libswscale swscale: aarch64: Avoid using the x18 register 2020-04-20 00:09:34 +03:00
presets
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tests avformat/matroskaenc: Improve Cues in case of no video 2020-04-20 21:30:46 +02:00
tools tools: stop using deprecated av_codec_next() 2020-04-20 15:08:20 +00:00
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.mailmap mailmap: fix 3-address entries 2020-03-31 04:14:14 -05:00
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Changelog avfilter: add maskedthreshold filter 2020-04-18 12:34:49 +02:00
INSTALL.md
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MAINTAINERS MAINTAINERS: add my gpg fingerprint 2020-03-23 23:37:19 +01:00
Makefile
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README.md
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configure configure: add MLP parser as dependency to MLP and TrueHD demuxers 2020-04-19 15:58:45 -03:00

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.