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reading 10 bit uncompressed 4:2:2 QuickTimes?



How is it possible to read QT movies compressed with 10 bit and 16 bit (PER CHANNEL) codecs?

I have working code to read QT movies uses 32-bit GWorlds (and GetMoviePict). I tried creating a 64-bit GWorld (on QT for Windows) and it failed.

I also have a 10 bit 4:2:2 uncompressed sample movie, and when I query its sample description (again using Apple sample code), I see the bit depth is 24 bits. It should at least be 30 bits, and I would expect to "render" it to RGB using a 64-bit GWorld.

Can someone help me make sense of this?

Many thanks!


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

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