nvbuf_utils.h File Reference

Detailed Description

NVIDIA Multimedia API: Buffering API

Definition in file nvbuf_utils.h.

Go to the source code of this file.

Data Structures
struct	_NvBufferParams

Macros
#define	MAX_NUM_PLANES   3

Typedefs
typedef struct _NvBufferParams	NvBufferParams

Enumerations
enum	NvBufferLayout {   NvBufferLayout_Pitch,   NvBufferLayout_BlockLinear }
enum	NvBufferMemFlags {   NvBufferMem_Read,   NvBufferMem_Write,   NvBufferMem_Read_Write }
enum	NvBufferColorFormat {   NvBufferColorFormat_YUV420,   NvBufferColorFormat_YVU420,   NvBufferColorFormat_NV12,   NvBufferColorFormat_NV21,   NvBufferColorFormat_UYVY,   NvBufferColorFormat_VYUY,   NvBufferColorFormat_YUYV,   NvBufferColorFormat_YVYU,   NvBufferColorFormat_ABGR32,   NvBufferColorFormat_XRGB32,   NvBufferColorFormat_ARGB32,   NvBufferColorFormat_Invalid }

Functions
EGLImageKHR	NvEGLImageFromFd (EGLDisplay display, int dmabuf_fd)
	This method must be used for getting EGLImage from dmabuf-fd. More...
int	NvDestroyEGLImage (EGLDisplay display, EGLImageKHR eglImage)
	This method must be used for destroying EGLImage object. More...
int	NvBufferCreate (int *dmabuf_fd, int width, int height, NvBufferLayout layout, NvBufferColorFormat colorFormat)
	Use this method to allocate HW buffer. More...
int	NvBufferGetParams (int dmabuf_fd, NvBufferParams *params)
	Use this method to get buffer parameters. More...
int	NvBufferDestroy (int dmabuf_fd)
	This method must be used for destroying hw_buffer. More...
int	NvBufferMemSyncForCpu (int dmabuf_fd, unsigned int plane, void **pVirtAddr)
	This method must be used for hw memory cache sync for the CPU. More...
int	NvBufferMemSyncForDevice (int dmabuf_fd, unsigned int plane, void **pVirtAddr)
	This method must be used for hw memory cache sync for device. More...
int	NvBufferMemMap (int dmabuf_fd, unsigned int plane, NvBufferMemFlags memflag, void **pVirtAddr)
	This method must be used for getting mem mapped virtual Address of the plane. More...
int	NvBufferMemUnMap (int dmabuf_fd, unsigned int plane, void **pVirtAddr)
	This method must be used to Unmap the mapped virtual Address of the plane. More...