Image.h File Reference

Detailed Description

NVIDIA DriveWorks API: Image Conversion and Streaming Functionality

Description: This file defines methods for image conversion.

Definition in file Image.h.

Go to the source code of this file.

Data Structures
struct	dwImageCPU
	Defines a CPU-based image. More...
struct	dwImageCUDA
	Defines a CUDA image. More...
struct	dwImageDataLines
	Container for data lines from the camera. More...
struct	dwImageGL
	Defines a GL texture image. More...
struct	dwImageMetaData
	Additional meta information stored with each image. More...
struct	dwImageNvMedia
	Defines an NvMedia image. More...
struct	dwImageProperties
	Defines the properties of the image. More...

Macros
#define	DW_MAX_IMAGE_PLANES   3

Typedefs
typedef uint32_t	GLenum
typedef uint32_t	GLuint

Enumerations
enum	dwImageCUDAMemoryType {   DW_IMAGE_CUDA_PITCH,   DW_IMAGE_CUDA_BLOCK }
	Specifies the CUDA memory type. More...
enum	dwImageMetaDataFlags {   DW_IMAGE_FLAGS_EMBEDDED_LINES = (1 << 2),   DW_IMAGE_FLAGS_SENSOR_SETTINGS = (1 << 3) }
	Flags defining the meta information available in an image. More...
enum	dwImagePixelFormat {   DW_IMAGE_PIXEL_FORMAT_UNKNOWN = 0,   DW_IMAGE_R = 1000,   DW_IMAGE_RGB = 2000,   DW_IMAGE_RCB = 2100,   DW_IMAGE_RCC = 2200,   DW_IMAGE_RGBA = 3000,   DW_IMAGE_YUV420 = 6000,   DW_IMAGE_YUV422 = 6100,   DW_IMAGE_RAW = 10000 }
	Specifies the pixel format of the image. More...
enum	dwImageType {   DW_IMAGE_CPU = 0,   DW_IMAGE_GL,   DW_IMAGE_CUDA,   DW_IMAGE_NVMEDIA }
	Specifies the image type. More...

Functions
DW_API_PUBLIC dwStatus	dwImage_getDataLayout (size_t *elementSize, uint32_t planeChannelCount[DW_MAX_IMAGE_PLANES], dwVector2ui planeSize[DW_MAX_IMAGE_PLANES], const dwImageProperties *prop)
	Returns the expected data layout of an image given its properties. More...
DW_API_PUBLIC dwStatus	dwImageCPU_create (dwImageCPU *cpuImage, const dwImageProperties *prop)
	Allocates memory for the data of a dwImageCPU based on the dwImageProperties. More...
DW_API_PUBLIC dwStatus	dwImageCPU_destroy (dwImageCPU *cpuImage)
	Deallocates data in a dwImageCPU. More...
DW_API_PUBLIC dwStatus	dwImageCPU_mapToROI (dwImageCPU *dstImg, const dwImageCPU *srcImg, dwRect roi)
	Returns a dwImageCPU that is mapped to a region of interest in the data of the srcImg. More...
DW_API_PUBLIC dwStatus	dwImageCUDA_create (dwImageCUDA *cudaImage, const dwImageProperties *prop, dwImageCUDAMemoryType layout)
	Allocates memory for the data of a dwImageCUDA based on the dwImageProperties and dwImageCUDAMemoryType memory layout. More...
DW_API_PUBLIC dwStatus	dwImageCUDA_destroy (dwImageCUDA *cudaImage)
	Deallocates data in a dwImageCUDA. More...
DW_API_PUBLIC dwStatus	dwImageCUDA_getPlaneAsImage (dwImageCUDA *planeImage, const dwImageCUDA *srcImage, uint32_t planeIdx)
	Returns a specific plane of a CUDA image as its own single-plane CUDA image. More...
DW_API_PUBLIC dwStatus	dwImageCUDA_mapToROI (dwImageCUDA *dstImg, const dwImageCUDA *srcImg, dwRect roi)
	Returns a dwImageCUDA that is mapped to a region of interest in the data of the srcImg. More...
DW_API_PUBLIC dwStatus	dwImageCUDA_setFromPitch (dwImageCUDA *result, void *devicePtr, uint32_t width, uint32_t height, size_t pitchInBytes, dwImagePixelFormat pixelFormat)
	Fill out given dwImageCUDA structure from a raw pointer. More...
DW_API_PUBLIC dwStatus	dwImageGL_create (dwImageGL *glImage, const dwImageProperties *prop, GLenum target)
	Generates a texture for a dwImageGL based on the dwImageProperties for a GL target. More...
DW_API_PUBLIC dwStatus	dwImageGL_destroy (dwImageGL *glImage)
	Destroys the texture in a dwImageGL. More...
DW_API_PUBLIC dwStatus	dwImageGL_setupTexture (dwImageGL *glImg, const uint8_t *data, int32_t level, uint32_t depth)
	Sets up the texture defined in glImg->prop.tex from pixels stored in data. More...
DW_API_PUBLIC dwStatus	dwImageNvMedia_create (dwImageNvMedia *nvmImage, const dwImageProperties *prop, const dwContextHandle_t context)
	Sets up an NvMediaImage based on the dwImageProperties for the NvMediaDevice in the current dwContext. More...
DW_API_PUBLIC dwStatus	dwImageNvMedia_destroy (dwImageNvMedia *nvmImage)
	Destroys the texture in a dwImageNvMedia. More...
DW_API_PUBLIC dwStatus	dwImageNvMedia_setFromImage (dwImageNvMedia *dstImage, const NvMediaImage *srcImage)
	Fills dwImageNvMedia struct based on the contents of NvMediaImage. More...