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doc/filters: note format constraint for volumedetect

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Gyan Doshi 2022-01-24 09:51:07 +05:30
parent 05ba0ffca9
commit b635ac126f
1 changed files with 3 additions and 2 deletions
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doc/filters.texi
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@ -6743,8 +6743,9 @@ volume='if(lt(t,10),1,max(1-(t-10)/5,0))':eval=frame
Detect the volume of the input video.
The filter has no parameters. The input is not modified. Statistics about
the volume will be printed in the log when the input stream end is reached.
The filter has no parameters. It supports only 16-bit signed integer samples,
so the input will be converted when needed. Statistics about the volume will
be printed in the log when the input stream end is reached.
In particular it will show the mean volume (root mean square), maximum
volume (on a per-sample basis), and the beginning of a histogram of the