nvmedia_ldc.h File Reference

Detailed Description

NVIDIA Media Interface: Lens Distortion Correction (LDC)

Description: This file contains the NvMedia LDC API.

Definition in file nvmedia_ldc.h.

Go to the source code of this file.

Data Structures
struct	NvMediaCamIntriParams
	Holds NvMedia camera intrinsic parameters. More...
struct	NvMediaLensDistortion
	Holds distortion coefficients for the lens model. More...
struct	NvMediaCameraModel
	Holds NvMedia LDC camera parameter info. More...
struct	NvMediaLDCRegionConfig
	Holds the NvMedia LDC region configuration. More...
struct	NvMediaLDCBitMaskMap
	Holds the NvMedia mask map surface. More...
struct	NvMediaGeoTransParams
	Holds geometric transform initialization paramters. More...
struct	NvMediaTNR3Params
	Holds the TNR3 initialization paramters. More...
struct	NvMediaTNR2Params
	Holds the TNR2 initialization paramters. More...
struct	NvMediaLDCInitParams
	Holds the NvMedia LDC initialization paramters. More...
struct	NvMediaLDCSparseWarpMap
	Holds the NvMedia LDC defintion of a sparse warp map. More...
struct	NvMediaLDCCtrlParams
	Holds runtime control parameters for NvMediaLDCProcess(). More...

Macros
#define	NVMEDIA_LDC_VERSION_MAJOR   2
	Major version number. More...
#define	NVMEDIA_LDC_VERSION_MINOR   0
	Minor version number. More...
#define	NVMEDIA_LDC_MAX_HOR_REGION   4u
	Maximum number of horizontal regions. More...
#define	NVMEDIA_LDC_MAX_VER_REGION   4u
	Maximum number of vertical regions. More...
#define	NVMEDIA_LDC_MIN_REGION_WIDTH   64u
	Minimum width of horizontal and vertical regions. More...
#define	NVMEDIA_LDC_MIN_REGION_HEIGHT   16u
	Minimum height of horizontal and vertical regions. More...

Typedefs
typedef struct NvMediaLDC	NvMediaLDC
	Defines the NvMedia LDC handle as an opaque struct. More...

Enumerations
enum	NvMediaLDCMode {   NVMEDIA_LDC_MODE_GEOTRANS,   NVMEDIA_LDC_MODE_TNR3,   NVMEDIA_LDC_MODE_GEOTRANS_TNR3,   NVMEDIA_LDC_MODE_TNR2 }
	Defines the NvMedia LDC operating modes. More...
enum	NvMediaGeoTransMode {   NVMEDIA_GEOTRANS_MODE_GEN_MAPPING = 0,   NVMEDIA_GEOTRANS_MODE_FEED_MAPPING,   NVMEDIA_GEOTRANS_MODE_AFFINE_TRANSFORM,   NVMEDIA_GEOTRANS_MODE_PERSPECTIVE_TRANSFORM }
	Defines geometric transform operation modes. More...
enum	NvMediaLensModel {   NVMEDIA_LDC_MODEL_POLYNOMIAL_DISTORTION,   NVMEDIA_LDC_MODEL_FISHEYE_EQUIDISTANT,   NVMEDIA_LDC_MODEL_FISHEYE_EQUISOLID,   NVMEDIA_LDC_MODEL_FISHEYE_ORTHOGRAPHIC,   NVMEDIA_LDC_MODEL_FISHEYE_STEREOGRAPHIC }
	Defines supported lens models. More...
enum	NvMediaLDCDataFormat {   NVMEDIA_LDC_DATAFORMAT_FLOAT_T,   NVMEDIA_LDC_DATAFORMAT_FIXEDFLOAT_S15_5 }
	Defines the NvMedia LDC Data Format. More...
enum	NvMediaLDCSobelMode {   NVMEDIA_GEOTRANS_DISABLE_XSOBEL_DISABLE_DS = 0,   NVMEDIA_GEOTRANS_DISABLE_XSOBEL_ENABLE_DS,   NVMEDIA_GEOTRANS_ENABLE_XSOBEL_DISABLE_DS,   NVMEDIA_GEOTRANS_ENABLE_XSOBEL_ENABLE_DS }
	Defines the xSobel working modes. More...

Functions
NvMediaStatus	NvMediaLDCGetVersion (NvMediaVersion *version)
	Returns the version information of NvMedia LDC. More...
NvMediaStatus	NvMediaLDCCreateNew (const NvMediaDevice *device, NvMediaLDC **pldc, const uint16_t srcWidth, const uint16_t srcHeight, const NvMediaRect *srcRect, const uint16_t dstWidth, const uint16_t dstHeight, const NvMediaRect *dstRect, const NvMediaLDCInitParams *initParams)
	Creates an NvMedia LDC handle. More...
NvMediaStatus	NvMediaLDCDestroy (NvMediaLDC *ldc)
	Destroys an NvMedia LDC handle that was created by a call to NvMediaLDCCreateNew(). More...
NvMediaStatus	NvMediaLDCFeedSparseWarpMap (NvMediaLDC *ldc, const NvMediaLDCSparseWarpMap *map)
	Feeds a sparse warp map to NvMedia LDC. More...
NvMediaStatus	NvMediaLDCMappingGen (NvMediaLDC *ldc)
	Generates a sparse warp mapping based on NvMediaCameraModel. More...
NvMediaStatus	NvMediaLDCUpdateTNR3Params (const NvMediaLDC *ldc, const NvMediaTNR3Params *tnr3Params)
	Updates TNR3 parameters after a call to NvMediaLDCCreateNew(). More...
NvMediaStatus	NvMediaLDCProcess (const NvMediaLDC *ldc, NvMediaImage *prevSurface, NvMediaImage *curSurface, NvMediaImage *outputSurface, NvMediaImage *xSobel, NvMediaImage *downSample, const NvMediaLDCCtrlParams *ldcCtrlParams)
	Performs a specified LDC operation. More...