On date Friday 2024-01-05 11:36:21 +0000, Howard Peacock wrote: > Hi - first time posting, so apologies in advance if this breaks an etiquette > rule. > > Just a request / suggestion that the 'overlay' filter be updated to implement > all​ the framesync options - including ts_sync_mode. Currently - although > https://ffmpeg.org/ffmpeg-filters.html#overlay-1 states that 'This filter > also supports the framesync options' - attempting to set ts_sync_mode results > in an error - for example: > > $ ffmpeg -f v4l2 -i /dev/video0 -filter_complex > "[0:v][0:]overlay=x=20:y=20:ts_sync_mode=nearest" -f flv - | ffplay - > > Error initializing complex filters. > Option not found > > Running ffmpeg -h filter=overlay (and looking at latest source code) confirms > that the ts_sync_mode framesync option is not currently implemented in the > overlay filter. > > The reason for asking is that I'm in a programming context with multiple > livestreams (with different start times) and multiple overlays where the > second overlay needs to use the 'nearest' rather than 'default' sync > behaviour to keep everything in sync, and it's not currently possible - I > have to dial in delays manually. >
> I was thinking of posting as a bug because of the mismatch between > documentation and implementation but it's probably a feature request in > fairness! Please create a ticket on trac: http://trac.ffmpeg.org/query?status=new&status=open&status=reopened&col=id&col=summary&col=status&col=type&col=component&col=version&col=time&col=changetime&order=priority&report=1 or this request might be lost (or even better send a patch). Thanks _______________________________________________ ffmpeg-devel mailing list ffmpeg-devel@ffmpeg.org https://ffmpeg.org/mailman/listinfo/ffmpeg-devel To unsubscribe, visit link above, or email ffmpeg-devel-requ...@ffmpeg.org with subject "unsubscribe".
