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Andreas Rheinhardt 71547cb7b3 avcodec/pthread_frame: Remove nonsense error message 
If a frame-threaded decoder with inter-frame dependencies
returns an error when decoding a frame and the returned frame
isn't clean, an error message is emitted claiming that this
is a bug. This seems to be based upon the thinking that
in this case a ThreadFrame has not been properly unreferenced.
Yet this is wrong, as decoders with inter-frame dependencies
don't use the frame for output for synchronization and therefore
don't use ThreadFrames at all for this. So unreferencing
this frame generically is fine and not a bug.

Reviewed-by: Anton Khirnov <anton@khirnov.net>
Signed-off-by: Andreas Rheinhardt <andreas.rheinhardt@outlook.com>
 		2022-02-14 10:13:37 +01:00
compat
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doc avfilter/af_surround: change x/y spread defaults 2022-02-12 12:48:42 +01:00
ffbuild
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fftools fftools/ffmpeg: Restore DTS correction for VP9 copies 2022-02-13 10:46:47 -03:00
libavcodec avcodec/pthread_frame: Remove nonsense error message 2022-02-14 10:13:37 +01:00
libavdevice lavd/jack: switch to the new FIFO API 2022-02-07 00:31:23 +01:00
libavfilter avfilter/af_surround: change x/y spread defaults 2022-02-12 12:48:42 +01:00
libavformat avisynth: use AviSynth+'s frame properties to set various fields 2022-02-13 18:24:37 -05:00
libavutil avutil/tx: Fix documentation of av_tx_uninit() 2022-02-11 19:38:41 +01:00
libpostproc
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libswresample
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libswscale swscale/x86/swscale: Remove superfluous and invalid ';' 2022-01-22 17:00:45 +01:00
presets
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tests avformat/imf: add IMF CPL with repeated resources to FATE 2022-02-03 04:00:09 +01:00
tools
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.travis.yml
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Changelog avfilter: add dialogue enhance audio filter 2022-02-12 12:47:36 +01:00
INSTALL.md
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LICENSE.md
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README.md
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configure configure: check avisynth header version 2022-02-13 18:24:42 -05:00

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 means to alter decoded audio and video through a directed graph of connected 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.