CbYCr422ToBGR
Converts 16-bit per pixel CbYCr image to four channel BGR image.
Syntax
IppStatus ippiCbYCr422ToBGR_8u_C2C4R(const Ipp8u*
pSrc
, int
srcStep
, Ipp8u*
pDst
, int
dstStep
, IppiSize
roiSize
, Ipp8u
aval
);
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
- Pointer to the source image ROI.
- srcStep
- Distance in bytes between starts of consecutive lines in the source image.
- pDst
- Pointer to the destination image ROI.
- dstStep
- Distance in bytes between starts of consecutive lines in the destination image.
- roiSize
- Size of the source and destination ROI in pixels.
- aval
- Constant value to create the fourth channel.
Description
This function operates with ROI (see
Regions of Interest in Intel IPP
).
This function converts the
Cb'Y'Cr'
image
pSrc
, packed in
4:2:2 sampling
format, to the four channel gamma-corrected
B'G'R'
image
pDst
according to the same formulas as the function
ippiYCbCrToRGB
does.
A
CbYCr
image has the following sequence of bytes:
Cb0Y0Cr0Y1
,
Cb1Y2Cr1Y3
, ... .
The output
B'G'R'
values are saturated to the range [0..255].
The fourth channel is created by setting channel values to the constant value
aval
.
Return Values
- ippStsNoErr
- Indicates no error. Any other value indicates an error or a warning.
- ippStsNullPtrErr
- Indicates an error condition ifpSrcorpDstisNULL.
- ippStsSizeErr
- Indicates an error condition ifroiSizehas a field with a zero or negative value.