I'm just trying to understand what tcprobe is telling me, and
can't seem to find any docs anywhere, so I thought I'd ask
here before resorting to the source code.

Feeding it a random .mpg file reports some lines like this:

import frame size: -g 352x240 [720x576] (*)
frame rate: -f 29.970 [25.000] frc=4 (*)

What the heck are the numbers inside the []?

If I use mplayer or ffmpeg to tell me about the file, they
both only mention 29.97 as the frame rate, no 25.000 shows
up anywhere, same for the 352x240 frame size.

It does say something about (*) meaning "not default",
are the numbers in the [] just the values tcprobe thinks
should be the defaults? (I guess they do look like PAL
numbers).

P.S. If someone wants to add a description of what the
output means to the tcprobe man page, I wouldn't object :-).


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