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Andreas Rheinhardt ff6f2c5586 avcodec/ffv1: Only allocate ThreadFrames for the decoder 
The FFV1 decoder only uses the last frame's data to conceal
errors. The encoder does not have this problem and therefore
only uses the current frame and none of the ThreadFrames.
So only allocate them for the decoder.

Signed-off-by: Andreas Rheinhardt <andreas.rheinhardt@outlook.com>
2022-09-07 00:07:55 +02:00
compat compat/cuda: switch from powf to __powf intrinsic 2022-09-03 20:27:34 +02:00
doc fftools/ffprobe: Report initial and trailing padding 2022-09-05 20:32:12 +02:00
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fftools fftools/ffprobe: Report initial and trailing padding 2022-09-05 20:32:12 +02:00
libavcodec avcodec/ffv1: Only allocate ThreadFrames for the decoder 2022-09-07 00:07:55 +02:00
libavdevice avutil/internal: Move avpriv-file API to a header of its own 2022-09-03 15:41:44 +02:00
libavfilter avfilter/vf_scale: overwrite the width and height expressions with the original values 2022-09-06 10:10:42 -03:00
libavformat avformat/matroskaenc: Write CodecDelay for codecs != Opus 2022-09-05 20:36:53 +02:00
libavutil x86/tx_float: add missing check for AVX2 2022-09-06 14:06:33 -03:00
libpostproc configure: always enable gnu_windres if available 2022-08-13 14:42:36 +02:00
libswresample lswr: take const AVChannelLayout* in swr_alloc_set_opts2() 2022-08-24 18:31:05 -05:00
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configure lavf/dv: always provide avpriv_dv_* symbols 2022-09-05 08:01:17 +02:00
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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
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RELEASE RELEASE: update after 5.1 branch 2022-07-13 00:31:42 +02:00

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.