If you're curious, compare the output with and without them. If just passing the preset produces a good image, you don't need the others. From ffms2 documentation:Īre you sure you want to do this to your video? Also, when you determine if your video is interlaced or telecined, you definitely mustn't pass fpsnum and fpsden to ffms2.Ībout the QTGMC parameters: you should add them only if you know they're needed. If all the frames in the scene are interlaced, then you need QTGMC.īy the way, this is a bit nasty. If you find a pattern of three progressive frames followed by two interlaced frames, then you have hard telecine and you need VFM + VDecimate. You find a scene where every frame is clearly different from the previous one, like when panning or zooming.
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