[PD] pix_freeframe

[IOhannes m zmoelnig]

Mathieu Bouchard wrote:
> On Wed, 30 Aug 2006, IOhannes m zmoelnig wrote:
> 
>> now again my math strikes me.
>> if one pixel takes 3 bytes in pdp and 4 bytes in Gem, then an image of
>> 100x100 pixels has 30000 bytes in pdp and 40000 bytes in Gem.
>> so its 25% less data and not 50% (however, with a better resolution)
> 
> Btw, didn't I hear Tom say that the YUV mode is using signed 16-bit
> instead of unsigned 8-bit values? Or is that just an option?
> 

well, this was my point; that's why i am talking about 2byte datasize.

if pdp is using yuv420, then the above calculation is valid.
if pdp is using yuv422, then pdp and Gem have the same imagesize.

i _think_ that signed short YUV is the "native" cs of pdp, though it can
handle other cs's too.

mfg.asdr
IOhannes