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Re: reading 10 bit uncompressed 4:2:2 QuickTimes?



Andreas Wittenstein wrote:
Paul,

To determine the actual precision of a pixel, use 'ICMGetPixelFormatInfo()' and look at the 'bitsPerPixel' field of the 'ICMPixelFormatInfo'.


Currently I am not using any of the ICM functions. Do you have any pointers to sample code on how to call ICMGetPixelFormatInfo?


Here's some code that calls 'ICMGetPixelFormatInfo()' for

I should rephrase my problem:

I need to find the effective PixelFormat of the QuickTime movie, in order to determine if I need to allocate a 32-bit or 64-bit GWorld to render it to.

I haven't discovered a way to do that yet.

Again, thanks for the excellent help!




--
Paul Miller | email@hidden | www.fxtech.com | Got Tivo?

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References: 
 >reading 10 bit uncompressed 4:2:2 QuickTimes? (From: Paul Miller <email@hidden>)
 >Re: reading 10 bit uncompressed 4:2:2 QuickTimes? (From: Andreas Wittenstein <email@hidden>)
 >Re: reading 10 bit uncompressed 4:2:2 QuickTimes? (From: Paul Miller <email@hidden>)
 >Re: reading 10 bit uncompressed 4:2:2 QuickTimes? (From: Andreas Wittenstein <email@hidden>)



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