From b635ac126f340512335386d32bcd2693535945c3 Mon Sep 17 00:00:00 2001 From: Gyan Doshi Date: Mon, 24 Jan 2022 09:51:07 +0530 Subject: doc/filters: note format constraint for volumedetect --- doc/filters.texi | 5 +++-- 1 file 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 -- cgit v1.2.3