ResizeYUV420GetSize
Computes sizes of the spec structure and the external buffer for the NV12 resize transform initialization.
Syntax
IppStatus ippiResizeYUV420GetSize(IppiSize
srcSize
, IppiSize
dstSize
, IppiInterpolationType
interpolation
, Ipp32u
antialiasing
, Ipp32s*
pSpecSize
, Ipp32s*
pInitBufSize
);
Include Files
ippi.h
Domain Dependencies
Headers:
ippcore.h
,
ippvm.h
,
ipps.h
Libraries:
ippcore.lib
,
ippvm.lib
,
ipps.lib
Parameters
- srcSize
- Size of the source image in pixels.
- dstSize
- Size of the destination image in pixels.
- interpolation
- Interpolation method. Supported values areippLanczosandippSuper.
- antialiasing
- Antialiasing method.
- pSpecSize
- Pointer to the size in bytes of the spec structure.
- pInitBufSize
- Pointer to the size in bytes of the temporal buffer.
Description
This function computes sizes of the spec structure and the external buffer that are required for one of the following functions depending on the interpolation method parameter: ResizeYUV420LanczosInit and ResizeYUV420SuperInit.
The size of the 2-Lobed Lanczos filter is 8x8.
Antialising is currently not supported. The value for the
antialiasing
parameter must be equal to zero.Return Values
- ippStsNoErr
- Indicates no error. Any other value indicates an error.
- ippStsNullPtrErr
- Indicates an error condition if one of the specified pointers isNULL.
- ippStsNoOperation
- Indicates a warning if width or height of the image is equal to zero.
- ippStsSizeErr
- Indicates an error in the following cases:
- if width or height of the image is equal to 1,
- if the source image size is less than a filter size of the chosen interpolation method (exceptippSuper),
- if one of the specified dimensions of the source image is less than the corresponding dimension of the destination image (forippSupermethod only),
- if width or height of the source or destination image is negative,
- if one of the calculated sizes exceeds maximum 32 bit signed integer positive value (the size of the one of the processed images is too large).
- ippStsSizeWrn
- Indicates a warning if width or height of the image is odd.
- ippStsInterpolationErr
- Indicates an error ifinterpolationhas an illegal value.
- ippStsNoAntialiasing
- Indicates a warning if the specified interpolation method does not support antialiasing.
- ippStsNotSupportedModeErr
- Indicates an error if the requested mode is currently not supported.