> That makes a lot more sense. So Premiere still has to figure out the
> full pixel content of each P or B frame on the fly, but it doesn't
> have to cast around for the I frame or run through the full GOP to
> figure out how big it is.
Right (decoding them live isn't a big deal these days), and they also can
find a GOP on disk immediately if you jump a large distance at once. At
least that's likely, I've never coded anything GOP related.
> So how did you get the index file size? Did you find a location where
> the index files are stored?
Yep, they're stored in whatever you have in Preferences -> Scratch Disks ->
"Media Cache Files" (as .mpgindex).
There's also .pek (I guess audio peak) files for quick waveform drawing, and
.cfa files (ConFormed Audio).
--
gl
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