On Fri, Sep 3, 2021 at 3:07 PM Michael Koch <astroelectro...@t-online.de> wrote:
> Am 03.09.2021 um 14:21 schrieb Michael Koch: > > I have two video streams and want to toggle between them in 1 second > > intervals. I did try this command: > > > > ffmpeg -i in1.mp4 -i in2.mp4 -lavfi streamselect=map='mod(t,2)' -t 30 > > out.mp4 > > > > This doesn't work because streamselect doesn't accept expressions. > > Who has an idea for a workaround? > > Found a workaround myself: > > blend=all_expr='if(lt(mod(T,2),1),A,B)' > > Slow, doesnt it supports commands? > Michael > > _______________________________________________ > 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".