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FFmpeg multimedia file processing (the basic concept of ffmpeg processing stream data)

2022-08-09 13:51:00 【One Leaf Knows Autumn @qqy】

Multimedia file concept

  • A multimedia file is actually a container
  • There are many streams (Stream/Track) in the container
  • Each stream is encoded by a different encoder
  • The data read from the stream is called a packet
  • Contains one or more frames in a package

Several important structures

  • AVFormatContext format context
  • AVStream stream and track concept
  • AVPacket one package

The basic steps of ffmpeg in manipulating streaming data

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