On 3/27/20, foxtail mega <[email protected]> wrote: > Actually I meant when ffmpeg is running, I want to send parameters to that > running ffmpeg instance and that should change the filter_complex overlay > parameters in the next frame of processing. > > Using expression is like hard coding parameters into ffmpeg command. I need > something where I can send the variable parameters when I need it without > stopping the current running ffmpeg command.
Please stop top posting. There is sendcmd filter for this, but I think overlay filter does not support commands, but that could be easily fixed. > > On Fri 27 Mar, 2020, 2:11 PM Paul B Mahol, <[email protected]> wrote: > >> On 3/27/20, foxtail mega <[email protected]> wrote: >> > can someone please help regarding this issue ? >> > >> > -re -i video.mp4 -i image.png -filter_complex "[0:v][1:v] >> > overlay=25:25:enable='between(t,0,4)'" -pixel_format yuv420p -tune >> > zerolatency -c:a copy -c:v libx264 -crf 27 -preset veryfast -f mpegts >> > udp://localhost:5454 >> > >> > >> > here i am using overlay as 25:25, but i wish to change that at >> > runtime, and i know i can't use variable for this, so how do i change >> > this overlay parameters at runtime ? >> >> Using expressions, everything is clearly explained in available >> documentation. >> >> > _______________________________________________ >> > 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". > _______________________________________________ > 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".
