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| author | Gyan Doshi <ffmpeg@gyani.pro> | 2022-01-24 09:51:07 +0530 |
|---|---|---|
| committer | Gyan Doshi <ffmpeg@gyani.pro> | 2022-01-24 09:51:07 +0530 |
| commit | b635ac126f340512335386d32bcd2693535945c3 (patch) | |
| tree | b802385e80fb3ff7864b01a710c1f26983b721d0 /doc | |
| parent | 05ba0ffca9b4c28e08fdd8086218c0075537125c (diff) | |
| download | ffmpeg-b635ac126f340512335386d32bcd2693535945c3.tar.gz | |
doc/filters: note format constraint for volumedetect
Diffstat (limited to 'doc')
| -rw-r--r-- | doc/filters.texi | 5 |
1 files changed, 3 insertions, 2 deletions
diff --git a/doc/filters.texi b/doc/filters.texi index 9a890d1555..04c34cb1fb 100644 --- a/doc/filters.texi +++ b/doc/filters.texi @@ -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 |