Pyramid.h File Reference
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Data Structures | |
| struct | VPIPyramidData |
| Stores the pyramid contents. More... | |
Macros | |
| #define | VPI_MAX_PYRAMID_LEVEL_COUNT (10) |
| Maximum number of pyramid levels. | |
Pyramid flags | |
| #define | VPI_PYRAMID_NO_PVA 0x01 |
| Pyramid can't be used by PVA backend. | |
| #define | VPI_PYRAMID_NO_CPU 0x02 |
| Pyramid can't be used by CPU backend. | |
| #define | VPI_PYRAMID_NO_CUDA 0x04 |
| Pyramid can't be used by CUDA backend. | |
Pyramid helper flags | |
| #define | VPI_PYRAMID_ONLY_CUDA (VPI_PYRAMID_NO_PVA | VPI_PYRAMID_NO_CPU) |
| Pyramid can only be used by CUDA backend. | |
| #define | VPI_PYRAMID_ONLY_CPU (VPI_PYRAMID_NO_PVA | VPI_PYRAMID_NO_CUDA) |
| Pyramid can only be used by CPU backend. | |
| #define | VPI_PYRAMID_ONLY_PVA (VPI_PYRAMID_NO_CUDA | VPI_PYRAMID_NO_CPU) |
| Pyramid can only be used by PVA backend. | |
Functions | |
| 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. More... | |
| void | vpiPyramidDestroy (VPIPyramid pyr) |
| Destroy an image pyramid instance as well as all resources it owns. More... | |
| VPIStatus | vpiPyramidGetFlags (VPIPyramid pyr, uint32_t *flags) |
| Returns the flags associated with the pyramid. More... | |
| VPIStatus | vpiPyramidGetType (VPIPyramid pyr, VPIImageType *type) |
| Returns the image type of the pyramid levels. More... | |
| VPIStatus | vpiPyramidGetNumLevels (VPIPyramid pyr, uint32_t *numLevels) |
| Get the image pyramid level count. More... | |
| VPIStatus | vpiPyramidGetWidth (VPIPyramid pyr, uint32_t outSize, uint32_t *out) |
| Get the image width in pixels (for all levels at once). More... | |
| VPIStatus | vpiPyramidGetHeight (VPIPyramid pyr, uint32_t outSize, uint32_t *out) |
| Get the height of all image levels. More... | |
| VPIStatus | vpiPyramidLock (VPIPyramid pyr, VPILockMode lock, VPIPyramidData *out) |
| Acquires the lock on a pyramid object and returns pointers to each level of the pyramid. More... | |
| VPIStatus | vpiImageWrapPyramidLevel (VPIPyramid pyr, uint32_t level, VPIImage *img) |
| Creates an image that wraps one pyramid level. More... | |
| VPIStatus | vpiPyramidUnlock (VPIPyramid pyr) |
| Releases the lock on a image pyramid object. More... | |
Detailed Description
Functions and structures for dealing with VPI pyramids.
Definition in file Pyramid.h.