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Originally Posted by huhn
i tested now quicksync, dxva native (AMD) and software. all output 23p flagged as 29p.
there is no repeated frame in the stream and no waved either.
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I'm not sure I agree with you on all those test cases / permutations. If what you're saying is true there would be no 3:2 pattern for madVR to see (after enabling deinterlacing with forced film mode turned on).
It would see a 2:2 pattern due to the progressive content. Using quicksync HW decoding it definitely finds a 2:2 pattern, which is not what it finds using software (avcodec). Further, the IVTC algorithm wouldn't get confused and pass combed frames if it was being fed progressive frames.
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correct but why is VFR and missing all stream flags except range and interlaced?
adding FPS=23 should be an ok workaround for now for soft telecine DVDs. it would be nice if the source filter will do this by default with a disc that has clear flags like these:
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Regardless, you currently can't play it back correctly at 24/1.001Hz unless you enable deinterlacing and forced film mode (IVTC) in madVR. And, the IVTC detection pukes twice in this scene.