On Fri, Oct 19, 2001 at 06:45:07AM -0700, Billy Biggs wrote:
> > > The +/-5ms error here is visible, especially on big cinematic pans.
> > I REALLY doubt what you perceive as an error is a 5ms difference.
>   No?  I'll post up a good example later today.  Consider a pan where
> the time between frames goes like this: 40ms, 45ms, 35ms, 45ms, 42ms...
> So, the second frame is shown for much longer than the first or third.
it's a 1frame difference if you have 100Hz refresh. I REALLY doubt a human eye
can see the difference. I bet it is something else causing you to see
disturbances. To see the 80ms disturbance I was talking about (missed frame on
TVout) you already have to watch out a little. 10ms (45 - 35) is 8 times as
difficult.

Please don't understand me wrongly: I agree that the current situation is
insufficient. I simply think that the cause of your problems is not exactly
what you think :-).

>   Speaking of TV output, if you're outputting interlaced material to a
> TV then you MUST have accurate vsync, field dominance, and some way of
> ensuring you never miss a field.  Otherwise you get crazy effects of
> people jumping back in time when you miss a field blit.
My ATI does this on HW (AFAIK), i.e. it understands it can't blit both on even and odd
frames.

>   Ideally for playing 24fps on a 25fps output,
You don't have 24fps source usually. DVDs, dvd rips and tv caps are either 25
or 29.9 (PAL vs NTSC). But I agree that a 24fps on TV will look sucky unless
you modify playback speed.

Bye,

Peter Surda (Shurdeek) <[EMAIL PROTECTED]>, ICQ 10236103, +436505122023

--
           Intel: where Quality is job number 0.9998782345!

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