[FFmpeg-user] FFMpeg problem using fieldmatch and decimate filters to IVTC

[Steve Boyer]

> I downloaded a file called long.sample.vob.
> I was unable to find interlaced or telecined frames in it, so
> I wonder how it can be used to test issues with the inverse
> telecine process. What do I miss?

IIRC, I saw some interlacing going on at 1:42: the stars looked NTSC
interlaced and the ship was running at a film frame rate. Can't remember if
it was already in the 4 unique, 1 duplicate progressive configuration.

And I found the AV synchronization issue to be user error.

Steve