On Thu, Apr 21, 2022 at 7:03 AM Steven Kan <[email protected]> wrote: > I’m putting together a time-lapse video of bees building comb in the hive. > I have 5,000+ jpgs (and growing!) in a directory that I process with: > > ffmpeg -hwaccel videotoolbox -framerate 60 -pattern_type glob -i '*.jpg' > -c:v h264_videotoolbox -b:v 100M CombLapse.mp4 > > which results in: > > https://www.youtube.com/watch?v=CvGAHWVcbwY > > Someone suggested that I try to “remove the bees” and get video of just > the comb. Which got me thinking, what if I could do a rolling average of, > say, 100 frames? So frame 1 of my output would be the average of frames 1 - > 100, and frame 2 of my output would be the average of frames 2 - 101, etc. > > I’ve used -vf tmix=frames=10:weights=“1” to take 10 frames of input and > output 1 frame, but what syntax could I use to do a rolling average?
tmix by default does rolling average if you use no other filters. > > > Or would I have to loop through the jpgs twice? Once to get 4,900 averaged > stills and then another run to combine those into my video? > > _______________________________________________ > ffmpeg-user mailing list > [email protected] > https://ffmpeg.org/mailman/listinfo/ffmpeg-user > > To unsubscribe, visit link above, or email > [email protected] with subject "unsubscribe". > _______________________________________________ ffmpeg-user mailing list [email protected] https://ffmpeg.org/mailman/listinfo/ffmpeg-user To unsubscribe, visit link above, or email [email protected] with subject "unsubscribe".
