Am 24.04.2020 um 20:08 schrieb Edward Park:
I would now like to add stream2 as second video input and switch
between stream1 and stream2 back and forth without interrupting the
audio. Both streams are identical / come from identical cameras.
Is there any sane way to do this with ffmpeg? Or how would you
recommend doing it?
If I had to do this, I would basically composite the two streams and toggle
opacity of the top layer between 0 and 1.
It would break if either stream had reading problems, and you would constantly
be processing both streams which might not be desirable if you were switching
from A to B and never go back to A, for example.
How can this be done with FFmpeg? Do you have an example? I know how
commands / sendcmd works. The opacity could be toggled, or the
streamselect filter could be used. But where does the switching signal
come from, while FFmpeg is running?
Michael
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