Forced film decimation algorithm?

hello_hello · 28th May 2017, 06:03

Pity Katie is still too childish to read post #11 otherwise she wouldn't have needed to ask a question that'd already been answered.

Has anyone ever used "honour pulldown flags" for a 100% film source and then applied TIVTC only to find didn't do a perfect job? Surely that must be extremely rare. If fields are simply being duplicated on playback and IVTC can't easily reverse the process, something must be wrong. Same with decimation when there's a nice consistent pattern.
I work with PAL a lot more than NTSC but I don't think I've ever seen field matching/decimation get it wrong when the pulldown is being applied by honouring pulldown flags.

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28th May 2017, 06:03	#17 \| Link
hello_hello Registered User Join Date: Mar 2011 Posts: 4,829	Pity Katie is still too childish to read post #11 otherwise she wouldn't have needed to ask a question that'd already been answered. Has anyone ever used "honour pulldown flags" for a 100% film source and then applied TIVTC only to find didn't do a perfect job? Surely that must be extremely rare. If fields are simply being duplicated on playback and IVTC can't easily reverse the process, something must be wrong. Same with decimation when there's a nice consistent pattern. I work with PAL a lot more than NTSC but I don't think I've ever seen field matching/decimation get it wrong when the pulldown is being applied by honouring pulldown flags.