On Mon, Jun 3, 2024 at 8:23 AM Lee Mitchell <npdmail...@gmail.com> wrote:
> Hi. > > There are RGBA support qtrle video clips that have no problem with alpha > support. > > I'd like to overlay a video on top of base one, and want to change the > transparency while playing > like > "[1:v]alpha='if(between(t,0,10),(1-(t/10)) * > alpha(X,Y),0)'[v0];[v0]overlay[out]" > What kind of filter sequence should I use? > The one that is really very fast and does not waste resources. > Thank you in advance. > Mitchell > _______________________________________________ > ffmpeg-user mailing list > ffmpeg-user@ffmpeg.org > https://ffmpeg.org/mailman/listinfo/ffmpeg-user > > To unsubscribe, visit link above, or email > ffmpeg-user-requ...@ffmpeg.org with subject "unsubscribe". > _______________________________________________ ffmpeg-user mailing list ffmpeg-user@ffmpeg.org https://ffmpeg.org/mailman/listinfo/ffmpeg-user To unsubscribe, visit link above, or email ffmpeg-user-requ...@ffmpeg.org with subject "unsubscribe".