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Derek Buitenhuis d5247fb1da lavf/movenc: Use a dynamic buffer when writing the mfra box 
When doing streamed output, with e.g. +dash, if the mfra box ended
up being larger than the AVIOContext write buffer, the (unchecked)
seeking back to update the box size would silently fail and produce
an invalid mfra box.

This is similar to how other boxes are written in fragmented mode.

Signed-off-by: Derek Buitenhuis <derek.buitenhuis@gmail.com>
 		2020-06-28 20:16:29 +01:00
compat
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doc avfilter/zoompan: add in_time variable 2020-06-25 10:27:07 +02:00
ffbuild
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fftools fftools/ffmpeg_filter: add -autoscale to disable/enable the default scale 2020-06-18 16:31:09 +08:00
libavcodec avcodec/nvenc: support for HEVC timecode passthrough 2020-06-28 21:40:49 +08:00
libavdevice lavdevice: Add AudioToolbox output device. 2020-06-15 15:09:33 +02:00
libavfilter avfilter/vf_showinfo: add a \n for end of ERROR and WARNNING log 2020-06-28 09:00:28 +08:00
libavformat lavf/movenc: Use a dynamic buffer when writing the mfra box 2020-06-28 20:16:29 +01:00
libavresample
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libavutil avutil/timecode: add function av_timecode_get_smpte() 2020-06-28 21:00:52 +08:00
libpostproc
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libswresample
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libswscale swscale: cosmetic fixes 2020-06-14 16:34:07 +01:00
presets
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tests lavc/aac_ac3_parser: improve the raw AAC file bit rate calculation 2020-06-26 09:53:36 +08:00
tools dnn_backend_native_layer_mathunary: add atan support 2020-06-25 08:41:50 +08:00
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.mailmap mailmap: add entry for myself 2020-06-17 22:11:34 +08:00
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Changelog avformat: add MCC demuxer 2020-06-18 21:31:13 +02:00
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configure lavdevice: Add AudioToolbox output device. 2020-06-15 15:09:33 +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 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.