Quote:
Originally Posted by lexor
I think the original quote by DS about frame to frame comparison being useless is being misinterpreted. What I think it should say is that you can't take just one frame and compare that frame with different settings. If you take enough frames out of the stream and compare them using different settings, it's valid.
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One trick is to also compare frame
sizes: if two frames are quite different sizes, its probably not a valid comparison.
With P/B frames, one also has to look at the size of the last I-frame and recent frames, too.