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Andreas Rheinhardt 36fa84e7ac avformat/av1: Avoid using dynamic buffer when assembling av1c 
Given that AV1 only has exactly one sequence header, it is unnecessary
to copy the content of said sequence header into an intermediate dynamic
buffer; instead the sequence header can be copied from where it is in
the input buffer.

Signed-off-by: Andreas Rheinhardt <andreas.rheinhardt@gmail.com>
2020-06-26 07:12:31 +02:00
compat
doc avfilter/zoompan: add in_time variable 2020-06-25 10:27:07 +02:00
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fftools
libavcodec avcodec: add AV1 profiles to profile.h 2020-06-25 23:36:29 -03:00
libavdevice
libavfilter avfilter/zoompan: add in_time variable 2020-06-25 10:27:07 +02:00
libavformat avformat/av1: Avoid using dynamic buffer when assembling av1c 2020-06-26 07:12:31 +02:00
libavresample
libavutil
libpostproc
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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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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.