[mythtv-users] nonlinear 16:9 stretch?
Michael T. Dean
mtdean at thirdcontact.com
Mon Nov 21 18:07:06 EST 2005
>>divide it into 10 equally, or nearly equally wide vertical stripes.
>>1) For the stripe on the far left you could repeat each pixel 3 times.
>>2) For the next two stripe repeat each 2 times.
>>3) Then stripes four through seven are just a normal one:one mapping.
>>4) The next two stripes would be the same as (2).
>>5) The final stripe would be the same as (1)
>>In other words the pattern for repeating pixels would be...
>Dont forget that the vertical also needs to be scaled so your routine gets
>to be quite a bit more complicated. Not sure if some kind of a lookup table
>might do the trick. Divide the screen into zones and assign each zone a pair
>of strech values. You would need to limit the number of pixels per zone to
>keep it from becoming visible as a pattern.
He's talking about stretching true 4:3 content, not letterboxed 4:3
content. Therefore, you don't want to stretch the vertical (otherwise,
you're just doing a zoom--which is more appropriate for letterboxed 4:3
See the link that David posted:
>solution 3 : Panoramic mode (the man with the fat hands...)
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