VPI - Vision Programming Interface

0.1.0 Release

Pyramid.h
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49 
56 #ifndef NV_VPI_PYRAMID_H
57 #define NV_VPI_PYRAMID_H
58 
91 #include <stdint.h>
92 
93 #include "Export.h"
94 #include "Image.h"
95 #include "Status.h"
96 #include "Types.h"
97 
98 #ifdef __cplusplus
99 extern "C" {
100 #endif
101 
104 #define VPI_PYRAMID_NO_PVA 0x01
105 #define VPI_PYRAMID_NO_CPU 0x02
106 #define VPI_PYRAMID_NO_CUDA 0x04
111 #define VPI_PYRAMID_ONLY_CUDA (VPI_PYRAMID_NO_PVA | VPI_PYRAMID_NO_CPU)
112 #define VPI_PYRAMID_ONLY_CPU (VPI_PYRAMID_NO_PVA | VPI_PYRAMID_NO_CUDA)
113 #define VPI_PYRAMID_ONLY_PVA (VPI_PYRAMID_NO_CUDA | VPI_PYRAMID_NO_CPU)
117 #define VPI_MAX_PYRAMID_LEVEL_COUNT (10)
118 
123 typedef struct VPIPyramidDataRec
124 {
125  int32_t numLevels;
131 
145 VPI_PUBLIC VPIStatus vpiPyramidCreate(uint32_t width, uint32_t height, VPIImageType fmt, uint32_t numLevels,
146  float scale, uint32_t flags, VPIPyramid *pyr);
147 
153 VPI_PUBLIC void vpiPyramidDestroy(VPIPyramid pyr);
154 
163 VPI_PUBLIC VPIStatus vpiPyramidGetFlags(VPIPyramid pyr, uint32_t *flags);
164 
173 VPI_PUBLIC VPIStatus vpiPyramidGetType(VPIPyramid pyr, VPIImageType *type);
174 
184 VPI_PUBLIC VPIStatus vpiPyramidGetNumLevels(VPIPyramid pyr, uint32_t *numLevels);
185 
195 VPI_PUBLIC VPIStatus vpiPyramidGetWidth(VPIPyramid pyr, uint32_t outSize, uint32_t *out);
196 
206 VPI_PUBLIC VPIStatus vpiPyramidGetHeight(VPIPyramid pyr, uint32_t outSize, uint32_t *out);
207 
220 VPI_PUBLIC VPIStatus vpiPyramidLock(VPIPyramid pyr, VPILockMode lock, VPIPyramidData *out);
221 
235 VPI_PUBLIC VPIStatus vpiImageWrapPyramidLevel(VPIPyramid pyr, uint32_t level, VPIImage *img);
236 
246 VPI_PUBLIC VPIStatus vpiPyramidUnlock(VPIPyramid pyr);
247 
248 #ifdef __cplusplus
249 }
250 #endif
251  // end of VPI_Pyramid
253 
254 #endif // NV_VPI_PYRAMID_H
vpiImageWrapPyramidLevel
VPIStatus vpiImageWrapPyramidLevel(VPIPyramid pyr, uint32_t level, VPIImage *img)
Creates an image that wraps one pyramid level.
Export.h
vpiPyramidCreate
VPIStatus vpiPyramidCreate(uint32_t width, uint32_t height, VPIImageType fmt, uint32_t numLevels, float scale, uint32_t flags, VPIPyramid *pyr)
Create an empty image pyramid instance with the specified flags.
VPIImageType
VPIImageType
Image formats.
Definition: Types.h:172
Types.h
VPI_MAX_PYRAMID_LEVEL_COUNT
#define VPI_MAX_PYRAMID_LEVEL_COUNT
Maximum number of pyramid levels.
Definition: Pyramid.h:117
vpiPyramidGetHeight
VPIStatus vpiPyramidGetHeight(VPIPyramid pyr, uint32_t outSize, uint32_t *out)
Get the height of all image levels.
VPIPyramidData::numLevels
int32_t numLevels
Number of levels (i.e.
Definition: Pyramid.h:125
vpiPyramidGetNumLevels
VPIStatus vpiPyramidGetNumLevels(VPIPyramid pyr, uint32_t *numLevels)
Get the image pyramid level count.
vpiPyramidUnlock
VPIStatus vpiPyramidUnlock(VPIPyramid pyr)
Releases the lock on a image pyramid object.
VPIImageData
Stores information about image characteristics and content.
Definition: Image.h:143
vpiPyramidGetType
VPIStatus vpiPyramidGetType(VPIPyramid pyr, VPIImageType *type)
Returns the image type of the pyramid levels.
Image.h
VPIImage
struct VPIImageImpl * VPIImage
Definition: Types.h:153
VPIStatus
VPIStatus
Error codes.
Definition: Types.h:407
VPILockMode
VPILockMode
Defines the lock modes used by memory lock functions.
Definition: Types.h:382
vpiPyramidGetFlags
VPIStatus vpiPyramidGetFlags(VPIPyramid pyr, uint32_t *flags)
Returns the flags associated with the pyramid.
Status.h
vpiPyramidGetWidth
VPIStatus vpiPyramidGetWidth(VPIPyramid pyr, uint32_t outSize, uint32_t *out)
Get the image width in pixels (for all levels at once).
vpiPyramidDestroy
void vpiPyramidDestroy(VPIPyramid pyr)
Destroy an image pyramid instance as well as all resources it owns.
VPIPyramidData
Stores the pyramid contents.
Definition: Pyramid.h:123
VPIPyramid
struct VPIPyramidImpl * VPIPyramid
Definition: Types.h:159
vpiPyramidLock
VPIStatus vpiPyramidLock(VPIPyramid pyr, VPILockMode lock, VPIPyramidData *out)
Acquires the lock on a pyramid object and returns pointers to each level of the pyramid.