On 8/12/18, Joshua Grauman <jnf...@grauman.com> wrote: > Hi all, > > I am combining various effects, and I noticed that when I fade in a video > using the [in]fade=t=in:st=2:n=24[out] syntax, and I fade in text using > alpha='if(lt(t,2),0,if(lt(t,3),t-2,1))', that they both fade in roughly at > the same time, but both are not linear. I'm guessing the fade=in uses a > sine wave or something to fade in the video, while clearly the text fade > is based on a linear fading of the alpha channel. Am I correct that the > video fade in is a sinusoidal fade? Does anyone know offhand how I could > get the text fade to match the video one?
Fade is always linear in this filter. _______________________________________________ ffmpeg-user mailing list ffmpeg-user@ffmpeg.org http://ffmpeg.org/mailman/listinfo/ffmpeg-user To unsubscribe, visit link above, or email ffmpeg-user-requ...@ffmpeg.org with subject "unsubscribe".
