NvBufSurface Interface
This file specifies the NvBufSurface management API.
The NvBufSurface API provides methods to allocate / deallocate, map / unmap and copy batched buffers.
Definition in file nvbufsurface.h.
Go to the source code of this file.
Data Structures | |
| struct | NvBufSurfacePlaneParamsEx |
| Holds plane wise parameters(extended) of a buffer. More... | |
| struct | NvBufSurfacePlaneParams |
| Holds plane wise parameters of a buffer. More... | |
| struct | NvBufSurfaceChromaSubsamplingParams |
| Holds Chroma Subsampling parameters for NvBufSurface allocation. More... | |
| struct | NvBufSurfaceCreateParams |
| Holds parameters required to allocate an NvBufSurface. More... | |
| struct | NvBufSurfaceAllocateParams |
| Hold extended parameters required to allocate NvBufSurface. More... | |
| struct | NvBufSurfaceMappedAddr |
| Hold the pointers of mapped buffer. More... | |
| struct | NvBufSurfaceParamsEx |
| Hold the information(extended) of single buffer in the batch. More... | |
| struct | NvBufSurfaceParams |
| Hold the information of single buffer in the batch. More... | |
| struct | NvBufSurface |
| Holds information about batched buffers. More... | |
Macros | |
| #define | STRUCTURE_PADDING 4 |
| Defines the default padding length for reserved fields of structures. More... | |
| #define | NVBUF_MAX_PLANES 4 |
| Defines the maximum number of planes. More... | |
| #define | NVBUFSURFACE_CHROMA_SUBSAMPLING_HORIZ_DEFAULT 0 |
| Defines the default values for chroma subsampling. More... | |
| #define | NVBUFSURFACE_CHROMA_SUBSAMPLING_VERT_DEFAULT 1 |
| #define | NVBUFSURFACE_CHROMA_SUBSAMPLING_PARAMS_DEFAULT |
Typedefs | |
| typedef struct NvBufSurfacePlaneParamsEx | NvBufSurfacePlaneParamsEx |
| Holds plane wise parameters(extended) of a buffer. More... | |
| typedef struct NvBufSurfacePlaneParams | NvBufSurfacePlaneParams |
| Holds plane wise parameters of a buffer. More... | |
| typedef struct NvBufSurfaceChromaSubsamplingParams | NvBufSurfaceChromaSubsamplingParams |
| Holds Chroma Subsampling parameters for NvBufSurface allocation. More... | |
| typedef struct NvBufSurfaceCreateParams | NvBufSurfaceCreateParams |
| Holds parameters required to allocate an NvBufSurface. More... | |
| typedef struct NvBufSurfaceAllocateParams | NvBufSurfaceAllocateParams |
| Hold extended parameters required to allocate NvBufSurface. More... | |
| typedef struct NvBufSurfaceMappedAddr | NvBufSurfaceMappedAddr |
| Hold the pointers of mapped buffer. More... | |
| typedef struct NvBufSurfaceParamsEx | NvBufSurfaceParamsEx |
| Hold the information(extended) of single buffer in the batch. More... | |
| typedef struct NvBufSurfaceParams | NvBufSurfaceParams |
| Hold the information of single buffer in the batch. More... | |
| typedef struct NvBufSurface | NvBufSurface |
| Holds information about batched buffers. More... | |
Functions | |
| int | NvBufSurfaceCreate (NvBufSurface **surf, uint32_t batchSize, NvBufSurfaceCreateParams *params) |
| Allocates a batch of buffers. More... | |
| int | NvBufSurfaceAllocate (NvBufSurface **surf, uint32_t batchSize, NvBufSurfaceAllocateParams *paramsext) |
| Allocate batch of buffers. More... | |
| int | NvBufSurfaceDestroy (NvBufSurface *surf) |
| Free the batched buffers previously allocated through NvBufSurfaceCreate. More... | |
| int | NvBufSurfaceMap (NvBufSurface *surf, int index, int plane, NvBufSurfaceMemMapFlags type) |
| Maps hardware batched buffers to the HOST or CPU address space. More... | |
| int | NvBufSurfaceUnMap (NvBufSurface *surf, int index, int plane) |
| Unmaps previously mapped buffer(s). More... | |
| int | NvBufSurfaceCopy (NvBufSurface *srcSurf, NvBufSurface *dstSurf) |
| Copies the content of source batched buffer(s) to destination batched buffer(s). More... | |
| int | NvBufSurface2Raw (NvBufSurface *Surf, unsigned int index, unsigned int plane, unsigned int outwidth, unsigned int outheight, unsigned char *ptr) |
| Copies the NvBufSurface plane memory content to a raw buffer plane for a specific batched buffer. More... | |
| int | Raw2NvBufSurface (unsigned char *ptr, unsigned int index, unsigned int plane, unsigned int inwidth, unsigned int inheight, NvBufSurface *Surf) |
| Copies the raw buffer plane memory content to the NvBufSurface plane memory of a specific batched buffer. More... | |
| int | NvBufSurfaceSyncForCpu (NvBufSurface *surf, int index, int plane) |
| Syncs the HW memory cache for the CPU. More... | |
| int | NvBufSurfaceSyncForDevice (NvBufSurface *surf, int index, int plane) |
| Syncs the hardware memory cache for the device. More... | |
| int | NvBufSurfaceFromFd (int dmabuf_fd, void **buffer) |
| Gets the NvBufSurface from the DMABUF FD. More... | |
| int | NvBufSurfaceMemSet (NvBufSurface *surf, int index, int plane, uint8_t value) |
| Fills each byte of the buffer(s) in an NvBufSurface with a provided value. More... | |
| int | NvBufSurfaceMapEglImage (NvBufSurface *surf, int index) |
| Creates an EGLImage from the memory of one or more NvBufSurface buffers. More... | |
| int | NvBufSurfaceUnMapEglImage (NvBufSurface *surf, int index) |
| Destroys the previously created EGLImage object(s). More... | |