Yeah, how much % of aspect ratio can be wrong before it gets nuked (bad.ar)? How much % can be wrong before you start noticing?
tdx2k2 says width and height must be multiples of 16. So let's say I want to encode a 16:9 (1.78:1) movie with width=640. What would be the correct height? 360? No, can't be, because it's not multiple by 16! But what about 352 or 368?
16/9 =1.777
640/352=1.818. Difference from original=2.272%
640/368=1.739. Difference from original=2.173%
Select height=368? Or is the AR % diff too high? If yes, then 16:9 AR with width=640 is impossible?
Not sure if my method for calculating AR difference is correct, though:
Here's how I did it:
((1.818 * 100) / (16/9)) - 100 = 2.272
but if i do switch the AR's, result is different:
100 - (((16/9) * 100) / 1.818) = 2.222
Which of these is correct calculation?
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