Hi,
we had a similar question some time ago. I did a lot of experiments with ffmpeg (via exec node), as you can see in that discussion. Summarized: I wasn't able at the end to pipe the indivual images to ffmpeg…
Some weeks later I managed to pipe the images to ffmpeg, but it seems I have never posted that solution on this forum. If you want I can try to recover my solution ...
Bart
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