FFmpeg 2.6.9
Since* 0.7
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Force libavfilter not to use any of the specified pixel formats for the input to the next filter.

It accepts the following parameters:

pix_fmts

A ’|’-separated list of pixel format names, such as apix_fmts=yuv420p|monow|rgb24".

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Examples

  • Force libavfilter to use a format different from yuv420p for the input to the vflip filter:

    noformat=pix_fmts=yuv420p,vflip
  • Convert the input video to any of the formats not contained in the list:

    noformat=yuv420p|yuv444p|yuv410p