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Optical flow using Hybrid -- Possible?
#1
Hello Selur,

I have written a cmd script that performs 24000/1001fps-to-120fps optical flow with 1.001x audio & subtitle stretching. It works.
I played with Hybrid -- thank you! -- and its setup. It appears that Hybrid cannot do optical flow but I thought I'd ask, eh?   [Image: biggrin.png]

The script does this:
1, FFprobe -- gather info
2, VapourSynth + InterFrame + SVPflow1+2 -- optical flow from 24000/1001fps to 120000/1001fps.
3, Pipe raw y4m to FFmpeg via 'VSPipe --y4m "FOO.VPY" - | ffmpeg -i pipe: -i "SOURCE" ...'.
4, FFmpeg -- force 120000/1001fps to 120fps without transcoding via '-filter_complex [0:v]settb=expr=1/120,setpts=expr=N[v]'.
5, FFmpeg -- stretch audio via '-filter_complex [1:a:#]atempo=1.001[a#]' for each audio stream, #.
6, MKVMerge -- stretch subtitles via '--sync #:0,1000/1001' for each subtitle stream, #.

The result is incredible.

I see how to stretch with Hybrid. Can Hybrid do the optical flow?

Warm Regards,
Mark.
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Optical flow using Hybrid -- Possible? - by markfilipak - 20.09.2021, 04:00

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