VPI - Vision Programming Interface

0.4.4 Release

Array.h
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49 
56 #ifndef NV_VPI_ARRAY_H
57 #define NV_VPI_ARRAY_H
58 
59 #include "Export.h"
60 #include "Status.h"
61 #include "Types.h"
62 
63 #include <stdint.h>
64 
111 #ifdef __cplusplus
112 extern "C" {
113 #endif
114 
116 typedef struct VPIArrayDataRec
117 {
119  uint32_t size;
120  uint32_t capacity;
121  uint32_t strideBytes;
122  void *data;
123 } VPIArrayData;
124 
126 #define vpiArrayCreate VPI_APINAME(vpiArrayCreate, 004)
127 #define vpiArrayCreateHostMemWrapper VPI_APINAME(vpiArrayCreateHostMemWrapper, 004)
128 #define vpiArraySetWrappedHostMem VPI_APINAME(vpiArraySetWrappedHostMem, 004)
129 #define vpiArrayCreateCudaMemWrapper VPI_APINAME(vpiArrayCreateCudaMemWrapper, 004)
130 #define vpiArraySetWrappedCudaMem VPI_APINAME(vpiArraySetWrappedCudaMem, 004)
131 #define vpiArrayGetFlags VPI_APINAME(vpiArrayGetFlags, 004)
132 
150 VPI_PUBLIC VPIStatus vpiArrayCreate(uint32_t capacity, VPIArrayType fmt, uint32_t flags, VPIArray *array);
151 
174 VPI_PUBLIC VPIStatus vpiArrayCreateHostMemWrapper(const VPIArrayData *arrayData, uint32_t flags, VPIArray *array);
175 
196 VPI_PUBLIC VPIStatus vpiArraySetWrappedHostMem(VPIArray array, const VPIArrayData *arrayData);
197 
220 VPI_PUBLIC VPIStatus vpiArrayCreateCudaMemWrapper(const VPIArrayData *arrayData, uint32_t flags, VPIArray *array);
221 
241 VPI_PUBLIC VPIStatus vpiArraySetWrappedCudaMem(VPIArray array, const VPIArrayData *arrayData);
242 
251 VPI_PUBLIC void vpiArrayDestroy(VPIArray array);
252 
267 
276 VPI_PUBLIC VPIStatus vpiArrayGetSize(VPIArray array, uint32_t *size);
277 
286 VPI_PUBLIC VPIStatus vpiArraySetSize(VPIArray array, uint32_t size);
287 
296 VPI_PUBLIC VPIStatus vpiArrayGetCapacity(VPIArray array, uint32_t *capacity);
297 
306 VPI_PUBLIC VPIStatus vpiArrayGetStrideBytes(VPIArray array, uint32_t *strideBytes);
307 
316 VPI_PUBLIC VPIStatus vpiArrayGetFlags(VPIArray array, uint32_t *flags);
317 
327 
347 VPI_PUBLIC VPIStatus vpiArrayLock(VPIArray array, VPILockMode mode, VPIArrayData *arrayData);
348 
362 
363 #ifdef __cplusplus
364 }
365 #endif
366  // end of VPI_Array
368 
369 #endif // NV_VPI_ARRAY_H
vpiArrayDestroy
void vpiArrayDestroy(VPIArray array)
Destroy an array instance.
vpiArrayCreate
VPIStatus vpiArrayCreate(uint32_t capacity, VPIArrayType fmt, uint32_t flags, VPIArray *array)
Create an empty array instance.
vpiArrayGetStrideBytes
VPIStatus vpiArrayGetStrideBytes(VPIArray array, uint32_t *strideBytes)
Returns the array stride (distance between two consecutive elements) in bytes.
Types.h
Defines all types needed for programming with VPI.
vpiArrayGetType
VPIStatus vpiArrayGetType(VPIArray array, VPIArrayType *type)
Returns the array type.
VPIArrayData::type
VPIArrayType type
Type of each array element.
Definition: Array.h:118
vpiArraySetSize
VPIStatus vpiArraySetSize(VPIArray array, uint32_t size)
Set the array size in elements.
vpiArraySetWrappedCudaMem
VPIStatus vpiArraySetWrappedCudaMem(VPIArray array, const VPIArrayData *arrayData)
Redefines the wrapped device (CUDA) memory in an existing VPIArray wrapper.
vpiArrayUnlock
VPIStatus vpiArrayUnlock(VPIArray array)
Releases the lock on array object.
vpiArraySetWrappedHostMem
VPIStatus vpiArraySetWrappedHostMem(VPIArray array, const VPIArrayData *arrayData)
Redefines the wrapped host memory in an existing VPIArray wrapper.
vpiArrayGetSize
VPIStatus vpiArrayGetSize(VPIArray array, uint32_t *size)
Returns the array size in elements.
vpiArrayCreateHostMemWrapper
VPIStatus vpiArrayCreateHostMemWrapper(const VPIArrayData *arrayData, uint32_t flags, VPIArray *array)
Create an array object by wrapping an existing host memory block.
vpiArrayGetFlags
VPIStatus vpiArrayGetFlags(VPIArray array, uint32_t *flags)
Returns the array flags.
VPIArrayData::size
uint32_t size
Number of elements in the array.
Definition: Array.h:119
VPIArrayData::capacity
uint32_t capacity
Maximum number of elements that the array can hold.
Definition: Array.h:120
vpiArrayCreateCudaMemWrapper
VPIStatus vpiArrayCreateCudaMemWrapper(const VPIArrayData *arrayData, uint32_t flags, VPIArray *array)
Create an array object by wrapping an existing device (CUDA) memory block.
VPIArrayData::data
void * data
Points to the first element of the array.
Definition: Array.h:122
VPIArrayType
VPIArrayType
Array element formats.
Definition: Types.h:226
VPIArrayData
Stores information about array characteristics and content.
Definition: Array.h:117
Status.h
Declaration of VPI status codes handling functions.
vpiArrayLock
VPIStatus vpiArrayLock(VPIArray array, VPILockMode mode, VPIArrayData *arrayData)
Acquires the lock on array object and returns a pointer to array data.
VPILockMode
VPILockMode
Defines the lock modes used by memory lock functions.
Definition: Types.h:444
VPIArray
struct VPIArrayImpl * VPIArray
A handle to an array.
Definition: Types.h:172
VPIStatus
VPIStatus
Status codes.
Definition: Status.h:81
vpiArrayInvalidate
VPIStatus vpiArrayInvalidate(VPIArray array)
Informs that the array's wrapped memory was updated outside VPI.
VPIArrayData::strideBytes
uint32_t strideBytes
Size in bytes of each array element.
Definition: Array.h:121
vpiArrayGetCapacity
VPIStatus vpiArrayGetCapacity(VPIArray array, uint32_t *capacity)
Returns the array capacity in elements.