View Single Post
Old 14th December 2008, 09:49   #263  |  Link
kemuri-_9
Compiling Encoder
 
kemuri-_9's Avatar
 
Join Date: Jan 2007
Posts: 1,348
Quote:
Originally Posted by thetoof View Post
It is said in the docs (actually, I saw that in the MVtools docs) that the pixaspect should be 1.094 for standard PAL and 0.911 for standard NTSC.

However, this calculation yields to other values... where did I mess up??
it seems that those calculations are more seeming to be based on a source with a width of 704 not 720
so
640/704 ~ .910
768/704 ~ 1.10

the aspect numbers you posted/quoted result as:
640/.911 ~ 703
768/1.094 ~ 702

so it seems that these are fairly close to being based on 704,
but not quite, so maybe some rounding error?

probably based on 704 to account for cropping on 'typical' overscan (which may or may not actually be true for what you're dealing with)
__________________
custom x264 builds & patches | F@H | My Specs

Last edited by kemuri-_9; 14th December 2008 at 09:54.
kemuri-_9 is offline   Reply With Quote