VPI - Vision Programming Interface

3.0 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 
105 #include "ArrayType.h"
106 
107 #ifdef __cplusplus
108 extern "C" {
109 #endif
110 
115 typedef struct VPIArrayBufferAOS
116 {
119 
122  int32_t *sizePointer;
123 
126  int32_t capacity;
127 
132  int32_t strideBytes;
133 
135  void *data;
137 
139 typedef enum
140 {
144 
147 
150 
152 
155 typedef struct VPIArrayBufferRec
156 {
163 
165 
167 typedef struct VPIArrayDataRec
168 {
173 
176 
177 } VPIArrayData;
178 
214 VPI_PUBLIC VPIStatus vpiArrayCreate(int32_t capacity, VPIArrayType type, uint64_t flags, VPIArray *array);
215 
257 VPI_PUBLIC VPIStatus vpiArrayCreateWrapper(const VPIArrayData *data, uint64_t flags, VPIArray *array);
258 
285 VPI_PUBLIC VPIStatus vpiArraySetWrapper(VPIArray array, const VPIArrayData *data);
286 
297 VPI_PUBLIC void vpiArrayDestroy(VPIArray array);
298 
312 VPI_PUBLIC VPIStatus vpiArrayGetSize(VPIArray array, int32_t *size);
313 
328 VPI_PUBLIC VPIStatus vpiArraySetSize(VPIArray array, int32_t size);
329 
343 VPI_PUBLIC VPIStatus vpiArrayGetCapacity(VPIArray array, int32_t *capacity);
344 
358 VPI_PUBLIC VPIStatus vpiArrayGetStrideBytes(VPIArray array, int32_t *strideBytes);
359 
373 VPI_PUBLIC VPIStatus vpiArrayGetFlags(VPIArray array, uint64_t *flags);
374 
389 
416 VPI_PUBLIC VPIStatus vpiArrayLock(VPIArray array, VPILockMode mode);
417 
460 
477 
478 #ifdef __cplusplus
479 }
480 #endif
481 
484 #endif /* NV_VPI_ARRAY_H */
Defines array types.
Declaration of VPI status codes handling functions.
Defines all types needed for programming with VPI.
VPIArrayBufferType bufferType
Type of array buffer.
Definition: Array.h:172
void * data
Points to the first element of the array.
Definition: Array.h:135
VPIArrayBuffer buffer
Stores the array contents.
Definition: Array.h:175
int32_t * sizePointer
Points to the number of elements in the array.
Definition: Array.h:122
VPIArrayBufferAOS aos
Array stored in array-of-structures layout.
Definition: Array.h:162
int32_t capacity
Maximum number of elements that the array can hold.
Definition: Array.h:126
int32_t strideBytes
Size in bytes of each array element.
Definition: Array.h:132
VPIArrayType type
Type of each array element.
Definition: Array.h:118
VPIStatus vpiArraySetSize(VPIArray array, int32_t size)
Set the array size in elements.
VPIStatus vpiArrayUnlock(VPIArray array)
Releases the lock on array object.
VPIStatus vpiArrayGetFlags(VPIArray array, uint64_t *flags)
Returns the array flags.
VPIStatus vpiArrayLockData(VPIArray array, VPILockMode mode, VPIArrayBufferType bufType, VPIArrayData *data)
Acquires the lock on an array object and returns the array contents.
VPIStatus vpiArrayCreateWrapper(const VPIArrayData *data, uint64_t flags, VPIArray *array)
Create an array object by wrapping an existing host memory block.
void vpiArrayDestroy(VPIArray array)
Destroy an array instance.
VPIStatus vpiArrayGetStrideBytes(VPIArray array, int32_t *strideBytes)
Returns the array stride (distance between two consecutive elements) in bytes.
VPIArrayType
Array element formats.
Definition: ArrayType.h:70
VPIStatus vpiArrayGetType(VPIArray array, VPIArrayType *type)
Returns the array type.
VPIStatus vpiArrayGetSize(VPIArray array, int32_t *size)
Returns the array size in elements.
VPIStatus vpiArrayCreate(int32_t capacity, VPIArrayType type, uint64_t flags, VPIArray *array)
Create an empty array instance.
VPIStatus vpiArrayLock(VPIArray array, VPILockMode mode)
Acquires the lock on an array object.
VPIStatus vpiArraySetWrapper(VPIArray array, const VPIArrayData *data)
Redefines the wrapped memory buffer in an existing VPIArray wrapper.
VPIArrayBufferType
Represents how the array data is stored.
Definition: Array.h:140
struct VPIArrayImpl * VPIArray
A handle to an array.
Definition: Types.h:232
VPIStatus vpiArrayGetCapacity(VPIArray array, int32_t *capacity)
Returns the array capacity in elements.
@ VPI_ARRAY_BUFFER_INVALID
Invalid buffer type.
Definition: Array.h:143
@ VPI_ARRAY_BUFFER_HOST_AOS
Host-accessible array-of-structures.
Definition: Array.h:146
@ VPI_ARRAY_BUFFER_CUDA_AOS
CUDA-accessible array-of-structures.
Definition: Array.h:149
Represents the availablemethods to access array contents.
Definition: Array.h:156
Stores information about array characteristics and content.
Definition: Array.h:116
Stores information about array characteristics and contents.
Definition: Array.h:168
VPIStatus
Status codes.
Definition: Status.h:81
VPILockMode
Defines the lock modes used by memory lock functions.
Definition: Types.h:592