ResizeYUV422GetSrcRoi

Computes the ROI of the source image for YUV422 resizing by tile processing.

Syntax

IppStatus ippiResizeYUV422GetSrcRoi(const IppiResizeYUV422Spec* pSpec, IppiPoint dstRoiOffset, IppiSize dstRoiSize, IppiPoint* srcRoiOffset, IppiSize* srcRoiSize);

Include Files

ippi.h

Domain Dependencies

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

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

Parameters

pSpec	Pointer to the spec structure for the resize filter.
dstRoiOffset	Offset of the tiled destination image ROI.
dstRoiSize	Size of the tiled destination image ROI.
srcRoiOffset	Offset of the source image ROI.
srcRoiSize	Pointer to the size of the source image ROI.

Description

This function computes the ROI of the processed source image using the processed ROI of the destination image for the corresponding resize transform by tile processing. The pSpec parameter defines the resize algorithm parameters. Prior to using the ippiResizeYUV422GetSrcRoi function, you need to initialize the pSpec parameter by calling one of the following functions: ippiResizeYUV422NearestInit or ippiResizeYUV422LinearInit.

Note

If the destination ROI size exceeds the image origin, the source ROI will be obtained for an intersection of the destination ROI and image origin.

Return Values

ippStsNoErr	Indicates no error.
ippStsNullPtrErr	Indicates an error if one of the specified pointers is NULL.
ippStsContextMatchErr	Indicates an error if pointer to the specification structure is invalid.
ippStsOutOfRangeErr	Indicates an error if the destination image offset point is outside the destination image origin.
ippStsMisalignedOffsetErr	Indicates an error if x-value of the parameter dstRoiOffset is odd.
ippStsSizeErr	Indicates an error in the following cases: If the height of the destination ROI is zero or negative. If the width of the destination ROI is less than 2.
ippStsSizeWrn	Indicates a warning in the following cases: If the width of the destination ROI is odd. If the destination ROI exceeds the destination image origin.