Intel® Integrated Performance Primitives Developer Guide and Reference

ID 790148
Date 11/07/2023
Public

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Document Table of Contents

YCrCb420ToYCbCr420

Converts 4:2:0 YCrCb image to 4:2:0 YCbCr image.

Syntax

IppStatus ippiYCrCb420ToYCbCr420_8u_P3P2R(const Ipp8u* pSrc[3], int srcStep[3], Ipp8u* pDstY, int dstYStep, Ipp8u* pDstCbCr, int dstCbCrStep, 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

pSrc

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

srcStep

Array of distances in bytes between starts of consecutive lines in each plane of the source image.

pDstY

Pointer to the ROI in the luminance plane of a destination image.

dstYStep

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

pDstCbCr

Pointer to the ROI in the interleaved chrominance plane of the destination image.

dstCbCrStep

Distance in bytes between starts of consecutive lines in the interleaved chrominance plane of a destination image.

roiSize

Size of the source and destination ROI in pixels, height and width should be multiple of 2.

Description

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

This function converts the 4:2:0YCrCb three-plane image pSrc (see Table “Planar Image Formats”) to the 4:2:0 YCbCr two-plane image that contains luminance samples Y0, Y1, Y2, .. in the first plane pDstY, and interleaved chrominance samples Cb0, Cr0, Cb1, Cr1, ... in the second plane pDstCbCr.

Return Values

ippStsNoErr

Indicates no error. Any other value indicates an error.

ippStsNullPtrErr

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

ippStsSizeErr

Indicates an error condition if any field of the roiSize is less than 2.