nvbufsurftransform.h File Reference

Detailed Description

NvBufSurfTransform Interface

This file specifies the NvBufSurfTransform image transformation APIs.

The NvBufSurfTransform API provides methods to set and get session parameters and to transform and composite APIs.

Definition in file nvbufsurftransform.h.

Go to the source code of this file.

Data Structures
struct	NvBufSurfTransformRect
	Holds the coordinates of a rectangle. More...
struct	_NvBufSurfTransformConfigParams
	Holds configuration parameters for a transform/composite session. More...
struct	_NvBufSurfaceTransformParams
	Holds transform parameters for a transform call. More...
struct	_NvBufSurfTransformCompositeParams
	Holds composite parameters for a composite call. More...

Typedefs
typedef struct _NvBufSurfTransformConfigParams	NvBufSurfTransformConfigParams
	Holds configuration parameters for a transform/composite session. More...
typedef struct _NvBufSurfaceTransformParams	NvBufSurfTransformParams
	Holds transform parameters for a transform call. More...
typedef struct _NvBufSurfTransformCompositeParams	NvBufSurfTransformCompositeParams
	Holds composite parameters for a composite call. More...

Enumerations
enum	NvBufSurfTransform_Compute {   NvBufSurfTransformCompute_Default,   NvBufSurfTransformCompute_GPU,   NvBufSurfTransformCompute_VIC }
	Specifies compute devices used by NvBufSurfTransform. More...
enum	NvBufSurfTransform_Flip {   NvBufSurfTransform_None,   NvBufSurfTransform_Rotate90,   NvBufSurfTransform_Rotate180,   NvBufSurfTransform_Rotate270,   NvBufSurfTransform_FlipX,   NvBufSurfTransform_FlipY,   NvBufSurfTransform_Transpose,   NvBufSurfTransform_InvTranspose }
	Specifies video flip methods. More...
enum	NvBufSurfTransform_Inter {   NvBufSurfTransformInter_Nearest = 0,   NvBufSurfTransformInter_Bilinear,   NvBufSurfTransformInter_Algo1,   NvBufSurfTransformInter_Algo2,   NvBufSurfTransformInter_Algo3,   NvBufSurfTransformInter_Algo4,   NvBufSurfTransformInter_Default }
	Specifies video interpolation methods. More...
enum	NvBufSurfTransform_Error {   NvBufSurfTransformError_ROI_Error = -4,   NvBufSurfTransformError_Invalid_Params = -3,   NvBufSurfTransformError_Execution_Error = -2,   NvBufSurfTransformError_Unsupported = -1,   NvBufSurfTransformError_Success = 0 }
	Specifies error codes returned by NvBufSurfTransform functions. More...
enum	NvBufSurfTransform_Transform_Flag {   NVBUFSURF_TRANSFORM_CROP_SRC = 1,   NVBUFSURF_TRANSFORM_CROP_DST = 1 << 1,   NVBUFSURF_TRANSFORM_FILTER = 1 << 2,   NVBUFSURF_TRANSFORM_FLIP = 1 << 3 }
	Specifies transform types. More...
enum	NvBufSurfTransform_Composite_Flag { NVBUFSURF_TRANSFORM_COMPOSITE = 1 }
	Specifies types of composition operations. More...

Functions
NvBufSurfTransform_Error	NvBufSurfTransformSetSessionParams (NvBufSurfTransformConfigParams *config_params)
	Sets user-defined session parameters. More...
NvBufSurfTransform_Error	NvBufSurfTransformGetSessionParams (NvBufSurfTransformConfigParams *config_params)
	Gets the session parameters used by NvBufSurfTransform(). More...
NvBufSurfTransform_Error	NvBufSurfTransform (NvBufSurface *src, NvBufSurface *dst, NvBufSurfTransformParams *transform_params)
	Performs a transformation on batched input images. More...
NvBufSurfTransform_Error	NvBufSurfTransformComposite (NvBufSurface *src, NvBufSurface *dst, NvBufSurfTransformCompositeParams *composite_params)
	Composites batched input images. More...