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  1. Hello I'm trying to to to use nvenc and deinterlacing from yadif_cuda with "Keep bottom field, interpolate/discard top field"

    Code:
    ffmpeg -i "input.VOB" -filter:v format=yuv444p -c:v h264_nvenc -preset lossless -vf yadif_cuda=1 "output.mp4"
    What am I doing wrong?
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  2. Member hydra3333's Avatar
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    ah hem, did you receive a log and an error message ?
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  3. Code:
    Only '-vf yadif_cuda=1' read, ignoring remaining -vf options: Use ',' to separat
    e filters
    Only '-af (null)' read, ignoring remaining -af options: Use ',' to separate filt
    ers
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  4. Member hydra3333's Avatar
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    Also, what I found was that I was better off staying with vanilla yadif as the speed "gain" was negligible at that time, perhaps mainly due to the "costs" of shuffling lots of data to/from gpu<->cpu.

    good luck.
    Last edited by hydra3333; 24th Jan 2020 at 04:24.
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  5. I choose not to continue with cuda yadif due to I needed a custom compile of inorder to get cuda_yadif...it's not supported by default.

    The following line of string seems to be the correct way convert .vob to lossless .mp4

    Code:
    ffmpeg.exe -i "Input.vob" -filter:v yadif=0:1:0,format=yuv444p -c:v h264_nvenc -preset lossless "Output.mp4"
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