On Sun, 27 Jan 2008 18:29:58 +0100, Herman Robak <[EMAIL PROTECTED]>
wrote:
On Sun, 27 Jan 2008 15:42:17 +0100, Terje J. Hanssen
<[EMAIL PROTECTED]> wrote:
What are really "W Ratio" and "H Ratio" vs "Aspect Ratio"?
w/h ratio _seems_ like pixel aspect ratio. But I have not quite
figured out if that works the way it should.
When I feed the pixel aspect ratio for PAL into it (1.094/1.0)
it changes the X (width) from 720 to 787, which would be the
correct _display width_.
But what Cinelerra then does is to squash the 720 pixels of the
source video so that the new 787 pixel wide canvas fits within
a 4:3 box, with black bars on the sides. That's the opposite of
what I wanted. Is it me or Cinelerra who is dumb here?
I think it is me who is "dumb", because I may have misunderstood
the B/W values' intent. Jugding by their behaviour, they look like
convenience inputs that you can use to change the current width and
height by a certain factor.
Usecase: The current resolution is 640x480, and for some reason
you want it to be 1.33 times wider. You don't have to calculate
what 640x1.33 is; you type 1.33 into the "W" input instead, and
Cinelerra calculates it for you.
Do you consider this "helper" feature useful and necessary?
--
Herman Robak
_______________________________________________
Cinelerra mailing list
[email protected]
https://init.linpro.no/mailman/skolelinux.no/listinfo/cinelerra
