Muxer apng [Animated Portable Network Graphics]:
    Common extensions: apng.
    Mime type: image/png.
    Default video codec: apng.
APNG muxer AVOptions:
  -plays             <int>        E........ Number of times to play the output: 0 - infinite loop, 1 - no loop (from 0 to UINT32_MAX) (default 1)
  -final_delay       <rational>   E........ Force delay after the last frame (from 0 to 65535) (default 0/1)


