NVIDIA Media VPI Interface
Description: This file contains the NvMedia VPI API.
Definition in file nvmedia_vpi.h.
Go to the source code of this file.
Data Structures | |
| struct | NvMediaVPIPoint2Df |
| Holds 2D floating point definition. More... | |
| struct | NvMediaVPIPoint2DFrac |
| Holds 2D point fractional representation. More... | |
| struct | NvMediaVPIAABB |
| Axis Aligned Bounding Box. More... | |
| struct | NvMediaVPI2DTransform |
| 3x3 transform matrix. More... | |
| struct | NvMediaVPITranslationWithScale |
| Translation with Scale parameters. More... | |
| struct | NvMediaVPIBoundingBoxWithTransform |
| Holds bounding box definition. More... | |
| struct | NvMediaVPIStereoPostprocessParams |
| Holds stereo postprocess parameters. More... | |
| struct | NvMediaVPIStereoPreprocessParams |
| Holds stereo preprocessing parameters. More... | |
| struct | NvMediaVPIGetKeyPointsHarrisParams |
| Holds Harris keypoint parameters. More... | |
| struct | NvMediaVPIGetSparseFlowPyrLKParams |
| NvMediaVPIGetSparseFlowPyrLKParams. More... | |
| struct | NvMediaVPIKLTParams |
| Holds the KLT parameters. More... | |
Macros | |
| #define | NVMEDIA_VPI_VERSION_MAJOR 3 |
| Major version number. More... | |
| #define | NVMEDIA_VPI_VERSION_MINOR 1 |
| Minor version number. More... | |
| #define | NVMEDIA_VPI_MAX_QUEUED_TASKS (64u) |
| Maximum number of tasks that can be queued. More... | |
| #define | NVMEDIA_VPI_CONFIDENCE_TABLE_MIN_CAPACITY (128) |
| Minimum capacity of NvMediaArray holding Confidence Table. More... | |
| #define | NVMEDIA_VPI_HINT_ARRAY_MIN_CAPACITY_BYTES (261376) |
| Minimum capacity (in bytes) of NvMediaArray holding Motion Vector Hints Array. More... | |
Enumerations | |
| enum | NvMediaVPIOFSTOutputType { NVMEDIA_VPI_STEREO_DISPARITY = 0, NVMEDIA_VPI_MV, NVMEDIA_VPI_MV_HINTS } |
| Specifies the types of output for Optical Flow/Stereo Disparity processing. More... | |
| enum | NvMediaVPINonMaxSuppressionType { NVMEDIA_VPI_2D_GRID_8x8_CELL_NO_MIN_DISTANCE = 0 } |
| Specifies types of post-process non-maximum suppression. More... | |
| enum | NvMediaVPIHarrisGradientFilterType { NVMEDIA_VPI_HARRIS_FILTER_TYPE_DEFAULT = 0, NVMEDIA_VPI_HARRIS_FILTER_TYPE_USER } |
| Specifies types of filters used in the Harris corner detector. More... | |
| enum | NvMediaVPITerminationCriterion { NVMEDIA_VPI_TERMINATION_CRITERION_ITERATIONS = 0, NVMEDIA_VPI_TERMINATION_CRITERION_EPSILON, NVMEDIA_VPI_TERMINATION_CRITERION_BOTH } |
| Specifies the conditions that cause the Lucas-Kanade Feature Tracker to be terminated. More... | |
| enum | NvMediaVPIKltTrackType { NVMEDIA_VPI_KLT_INVERSE_COMPOSITIONAL = 0 } |
| Specifies the types of KLT Tracking. More... | |
Functions | |
| NvMediaStatus | NvMediaVPIGetNumEngines (uint32_t *numEngines) |
| Returns the number of HW engines accessible. More... | |
| NvMediaStatus | NvMediaVPIGetVersion (NvMediaVersion *version) |
| Returns version information for the NvMediaVPI library. More... | |
| NvMediaVPI * | NvMediaVPICreate (const uint32_t Id, const uint32_t maxQueuedTasks) |
| Creates an NvMediaVPI object. More... | |
| NvMediaStatus | NvMediaVPIDestroy (NvMediaVPI *vpi) |
| Destroys an NvMediaVPI object created by NvMediaVPICreate(). More... | |
| NvMediaStatus | NvMediaVPIFlush (NvMediaVPI *vpi) |
| Flushes all queued operations. More... | |
| NvMediaStatus | NvMediaVPIImageRegister (NvMediaVPI *vpi, NvMediaImage *image) |
| Registers an image for use with an NvMediaVPI function. More... | |
| NvMediaStatus | NvMediaVPIImageUnregister (NvMediaVPI *vpi, NvMediaImage *image) |
| Unregisters an image after use. More... | |
| NvMediaStatus | NvMediaVPIArrayRegister (NvMediaVPI *vpi, NvMediaArray *array) |
| Registers an array for use with an NvMediaVPI function. More... | |
| NvMediaStatus | NvMediaVPIArrayUnregister (NvMediaVPI *vpi, NvMediaArray *array) |
| Unregisters an array after use. More... | |
| NvMediaStatus | NvMediaVPIScratchpadRegister (NvMediaVPI *vpi, NvMediaCVScratchpad *scratchpad) |
| Registers scratchpad memory for use with an NvMediaVPI function. More... | |
| NvMediaStatus | NvMediaVPIScratchpadUnregister (NvMediaVPI *vpi, NvMediaCVScratchpad *scratchpad) |
| Unregisters scratchpad memory after use. More... | |
| NvMediaStatus | NvMediaVPIPyramidRegister (NvMediaVPI *vpi, NvMediaImagePyramid *pyramid) |
| Registers a pyramid for use with an NvMediaVPI function. More... | |
| NvMediaStatus | NvMediaVPIPyramidUnregister (NvMediaVPI *vpi, NvMediaImagePyramid *pyramid) |
| Unregisters a pyramid after use. More... | |
| NvMediaVPIConvertMVDescriptor * | NvMediaVPICreateConvertMVDescriptor (NvMediaVPI *vpi, const uint32_t width, const uint32_t height, const NvMediaSurfaceType type, const float strength, const float scale) |
| Creates an NvMediaVPIConvertMVDescriptor. More... | |
| NvMediaStatus | NvMediaVPIConvertMVDesc (NvMediaVPI *vpi, NvMediaVPIConvertMVDescriptor *descriptor, NvMediaImage *inputMVImage, NvMediaImage *inputColor, NvMediaImage *output, const NvMediaVPIOFSTOutputType outputType) |
| Converts or refines a motion vector image. More... | |
| NvMediaVPIStereoPostprocessDescriptor * | NvMediaVPICreateStereoPostprocessDescriptor (NvMediaVPI *vpi, const uint32_t width, const uint32_t height, const float scale) |
| Creates an NvMediaVPIStereoPostprocessDescriptor. More... | |
| NvMediaStatus | NvMediaVPIStereoPostprocessDesc (NvMediaVPI *vpi, NvMediaVPIStereoPostprocessDescriptor *descriptor, NvMediaVPIStereoPostprocessParams *params, NvMediaImage *disparityInput, NvMediaImage *confidenceInput, NvMediaImage *disparityOutput, NvMediaImage *confidenceOutput) |
| Performs stereo postprocessing to refine a disparity image. More... | |
| NvMediaVPIStereoPreprocessDescriptor * | NvMediaVPICreateStereoPreprocessDescriptor (NvMediaVPI *vpi, const uint32_t width, const uint32_t height, const NvMediaVPIOFSTOutputType outputType) |
| Creates an NvMediaVPIStereoPreprocessDescriptor. More... | |
| NvMediaStatus | NvMediaVPIStereoPreprocessDescEx (NvMediaVPI *vpi, NvMediaVPIStereoPreprocessDescriptor *descriptor, NvMediaVPIStereoPreprocessParams *params, NvMediaArray *confidenceTable, NvMediaImage *leftImage, NvMediaImage *rightImage, NvMediaImage *leftDisparity, NvMediaImage *rightDisparity, NvMediaImage *confidenceMap, NvMediaArray *hintsArray) |
| Performs stereo preprocessing to produce a disparity image or motion vector hints. More... | |
| NvMediaVPIGetKeyPointsHarrisDescriptor * | NvMediaVPICreateGetKeyPointsHarrisDescriptor (NvMediaVPI *vpi, const uint32_t width, const uint32_t height, const NvMediaVPINonMaxSuppressionType nonMaxSuppressionType) |
| Creates a pointer to a NvMediaVPIGetKeyPointsHarrisDescriptor. More... | |
| NvMediaStatus | NvMediaVPIGetKeyPointsHarrisDesc (NvMediaVPI *vpi, NvMediaVPIGetKeyPointsHarrisDescriptor *descriptor, const NvMediaVPIGetKeyPointsHarrisParams *params, NvMediaImage *input, NvMediaImage *mask, NvMediaArray *trackedKeypoints, NvMediaArray *trackedScores, NvMediaArray *keypoints, NvMediaArray *scores) |
| Queues an operation to get Harris keypoints throughout an image. More... | |
| NvMediaVPIGetKeyPointsFastDescriptor * | NvMediaVPICreateGetKeyPointsFastDescriptor (NvMediaVPI *vpi, const uint32_t width, const uint32_t height, const NvMediaSurfaceType type) |
| Creates a pointer to an NvMediaVPIGetKeyPointsFastDescriptor. More... | |
| NvMediaStatus | NvMediaVPIGetKeyPointsFastDesc (NvMediaVPI *vpi, NvMediaVPIGetKeyPointsFastDescriptor *descriptor, NvMediaImage *input, const uint32_t strengthThresh, const NvMediaBool nonmaxSupression, NvMediaArray *keypoints, NvMediaArray *scores) |
| Queues an operation to get FAST keypoints throughout an image. More... | |
| NvMediaVPIGetSparseFlowPyrLKDescriptor * | NvMediaVPICreateGetSparseFlowPyrLKDescriptor (NvMediaVPI *vpi, const NvMediaVPIGetSparseFlowPyrLKParams *params) |
| Creates a pointer to an NvMediaVPIGetSparseFlowPyrLKDescriptor. More... | |
| NvMediaStatus | NvMediaVPIGetSparseFlowPyrLKDesc (NvMediaVPI *vpi, NvMediaVPIGetSparseFlowPyrLKDescriptor *descriptor, const NvMediaVPIGetSparseFlowPyrLKParams *params, NvMediaImagePyramid *oldImages, NvMediaImagePyramid *newImages, NvMediaArray *oldPoints, NvMediaArray *newPoints, NvMediaArray *newStatus) |
| Queues an operation to track features in a pyramid. More... | |
| NvMediaVPIKLTDescriptor * | NvMediaVPICreateKLTDescriptor (NvMediaVPI *vpi, const uint32_t width, const uint32_t height, const NvMediaSurfaceType type) |
| Creates a pointer to the NvMediaVPIKLTDescriptor. More... | |
| NvMediaStatus | NvMediaVPIKLTDesc (NvMediaVPI *vpi, NvMediaVPIKLTDescriptor *descriptor, const NvMediaVPIKLTParams *params, NvMediaImage *referenceImage, NvMediaImage *templateImage, NvMediaArray *inputBoxList, NvMediaArray *predictedBoxList, NvMediaArray *outputBoxList, NvMediaArray *estimationList) |
| Queues an operation to run the Kanade Lucas Tomasi (KLT) tracking algorithm. More... | |
| NvMediaStatus | NvMediaVPIGetScratchpadSize (void *descriptor, uint32_t *scratchpadSizeBytes) |
| Returns the size of scratchpad memory required for operations that support an NvMediaCVScratchpad based scratchpad. More... | |
| NvMediaStatus | NvMediaVPIKLTFastDesc (NvMediaVPI *vpi, NvMediaVPIKLTDescriptor *descriptor, NvMediaCVScratchpad *scratchpad, const NvMediaVPIKLTParams *params, NvMediaImage *referenceImage, NvMediaImage *templateImage, NvMediaArray *inputBoxList, NvMediaArray *predictedBoxList, NvMediaArray *outputBoxList, NvMediaArray *estimationList) |
| Queues an operation to run the Kanade Lucas Tomasi (KLT) tracking algorithm. More... | |
| NvMediaStatus | NvMediaVPIGetImagePyramid (NvMediaVPI *vpi, NvMediaImage *input, NvMediaImagePyramid *output) |
| Queues an operation to generate a Gaussian pyramid from an input image. More... | |
| NvMediaStatus | NvMediaVPIConvolveImage (NvMediaVPI *vpi, NvMediaImage *input, const float *kernelData, const uint32_t kernelWidth, const uint32_t kernelHeight, NvMediaImage *output) |
| Queues an operation to convolve an input image with a client-supplied convolution matrix. More... | |
| NvMediaVPIConvolveImageSeparableDescriptor * | NvMediaVPICreateConvolveImageSeparableDescriptor (NvMediaVPI *vpi, NvMediaSurfaceType type, const float *kernelX, const uint32_t kernelXSize, const float *kernelY, const uint32_t kernelYSize) |
| Creates a pointer to the NvMediaVPIConvolveImageSeparableDescriptor. More... | |
| NvMediaStatus | NvMediaVPIConvolveImageSeparable (NvMediaVPI *vpi, NvMediaImage *input, const float *kernelX, const uint32_t kernelXSize, const float *kernelY, const uint32_t kernelYSize, NvMediaImage *output) |
| Queues an operation to convolve an image with a 2D kernel, using separable convolution. More... | |
| NvMediaStatus | NvMediaVPIFilterImageBox (NvMediaVPI *vpi, NvMediaImage *input, const uint32_t windowWidth, const uint32_t windowHeight, NvMediaImage *output) |
| Queues an operation to compute a generic box filter window of the input image. More... | |
| NvMediaStatus | NvMediaVPIDestroyDescriptor (NvMediaVPI *vpi, void *descriptor) |
| Destroys an NvMediaVPI function descriptor. More... | |