[FFmpeg-user] Drop frames during framemd5 calculation of DPX files

Matthew Yang matthew at asianfilmarchive.org
Tue Mar 31 09:19:09 EEST 2020


Hello Ted

vsync drop worked well for me. can you explain what causes misdetected
frame rates?

Thanks.

Best
Matt
Matthew Yang* | *Archive Officer
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On Tue, 31 Mar 2020 at 10:27, Ted Park <kumowoon1025 at gmail.com> wrote:

> Hi,
>
> > I tried: ffmpeg -start_number 86400 -i finalDPX_forDCP\Respire%08d.dpx
> > *-vsync* 0 -f framemd5
> > allframes_md5.txt
> >
> > I still get a similar result without the stated drop frames. framemd5
> > checksum spits out 867 frames less than total frames.
>
> Shouldn’t that be vsync drop? Since the issue is the misdetected frame
> rate?
>
> Regards,
> Ted Park
>
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