Intel® Integrated Performance Primitives Developer Guide and Reference

ID 790148
Date 11/07/2023
Public

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Document Table of Contents

BGRToYCoCg_Rev

Converts a 24-bit BGR image to the YCoCg-R color model.

Syntax

IppStatus ippiBGRToYCoCg_Rev_8u16s_C3P3R(const Ipp8u* pBGR, int bgrStep, Ipp16s* pYCC[3], int yccStep, IppiSize roiSize);

IppStatus ippiBGRToYCoCg_Rev_8u16s_C4P3R(const Ipp8u* pBGR, int bgrStep, Ipp16s* pYCC[3], int yccStep, IppiSize roiSize);

Include Files

ippcc.h

Domain Dependencies

Headers: ippcore.h, ippvm.h, ipps.h, ippi.h

Libraries: ippcore.lib, ippvm.lib, ipps.lib, ippi.lib

Parameters

pBGR

Pointer to the source image ROI.

bgrStep

Distance in bytes between starts of consecutive lines in the source image.

pYCC

Array of pointers to the destination image ROI in each plane.

yccStep

Distance in bytes between starts of consecutive lines in the destination image.

roiSize

Size of the source and destination ROI in pixels.

Description

This function operates with ROI (see Regions of Interest in Intel IPP).

This function converts the 24-bit BGR image pSrc to the YCoCg-R image pDst according to the following formulas:

Co = R - B

t = B + (Co >> 1)

Cg = G - t

Y = t + (Cg >> 1)

Return Values

ippStsNoErr

Indicates no error. Any other value indicates an error.

ippStsNullPtrErr

Indicates an error condition if one of the specified pointers is NULL.