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doc/filters: complete and correct vmafmotion section

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Gyan Doshi 2019-11-22 19:55:35 +05:30
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doc/filters.texi
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@ -19315,16 +19315,23 @@ vignette='PI/4+random(1)*PI/50':eval=frame
@section vmafmotion @section vmafmotion
Obtain the average vmaf motion score of a video. Obtain the average VMAF motion score of a video.
It is one of the component filters of VMAF. It is one of the component metrics of VMAF.
The obtained average motion score is printed through the logging system. The obtained average motion score is printed through the logging system.
In the below example the input file @file{ref.mpg} is being processed and score The filter accepts the following options:
is computed.
@table @option
@item stats_file
If specified, the filter will use the named file to save the motion score of
each frame with respect to the previous frame.
When filename equals "-" the data is sent to standard output.
@end table
Example:
@example @example
ffmpeg -i ref.mpg -lavfi vmafmotion -f null - ffmpeg -i ref.mpg -vf vmafmotion -f null -
@end example @end example
@section vstack @section vstack