X-Git-Url: https://git.sesse.net/?a=blobdiff_plain;f=doc%2Ffilters.texi;h=b736b3fe311c1d846871c9a714d5978ad7756f05;hb=f351afb5f9dedc33260b8811223dc39c81bbcec3;hp=ada33a78dd5af785a29b2839fb9de7f40ba19d67;hpb=5036c8b17b29623cd86b514474d1c0a81acf1e13;p=ffmpeg diff --git a/doc/filters.texi b/doc/filters.texi index ada33a78dd5..b736b3fe311 100644 --- a/doc/filters.texi +++ b/doc/filters.texi @@ -7745,6 +7745,22 @@ ffprobe -f lavfi movie=example.mov,signalstats -show_entries frame_tags=lavfi.si Playback video while highlighting pixels that are outside of broadcast range in red. @example ffplay example.mov -vf signalstats="out=brng:color=red" +@end example + +@item +Playback video with signalstats metadata drawn over the frame. +@example +ffplay example.mov -vf signalstats=stat=brng+vrep+tout,drawtext=fontfile=FreeSerif.ttf:textfile=signalstat_drawtext.txt +@end example + +The contents of signalstat_drawtext.txt used in the command are: +@example +time %@{pts:hms@} +Y (%@{metadata:lavfi.signalstats.YMIN@}-%@{metadata:lavfi.signalstats.YMAX@}) +U (%@{metadata:lavfi.signalstats.UMIN@}-%@{metadata:lavfi.signalstats.UMAX@}) +V (%@{metadata:lavfi.signalstats.VMIN@}-%@{metadata:lavfi.signalstats.VMAX@}) +saturation maximum: %@{metadata:lavfi.signalstats.SATMAX@} + @end example @end itemize