Quote:
Originally Posted by Cary Knoop
Interlaced MPEG-2 allows the chrominance samples to be aligned temporally to the lines or, less common, to the first field of the frame.
Is there an easy way to determine which method was used during encoding?
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Maybe by converting it (eg. upscaling) and forcing to use different chroma sampling position. Wrong ones may introduce chroma ghosting. Not sure. Maybe this info is also somewhere in mpeg2 headers.