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Intel IPP v4.0 mentions RGB565/RGB555 16/15bit color representations.
There are functions which can convert YCbCr to RGB565 and vice versa.
Unfortunately thereare no functions that can convert 24bit RGB/BGR to 16 bit RGB565 by truncation of least significant bits. Orusing zero paddingfor RGB565 to RGB/BGR conversion.It'srelatively easyto implement it.E.g. myMMX/SSE implementation is about 3X faster than optimized C implementation.
I think it's a good idea to add this type of functions to IPPI
Message Edited by karabas on 05-12-2004 09:40 AM
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Thank you for your suggestions. It would be better to submit this as a feature request through the intel premier channel. So, your request will be analized for the planningof future IPP versions.
Regards,
Vladimir
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Can't this be done using ippiConvert, ippiScale or ippiReduceBits? If yes, can you give an example for RGB24-->RGB555 and RGB555-->RGB24?
Thanks.
Thanks.
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Hi,
unfortunately such operation can't be effectively done with existing IPP functions
Vladimir
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