OpticalFlowPyrLK.h

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#ifndef NV_VPI_ALGORITHMS_OPTICALFLOWPYRLK_H
#define NV_VPI_ALGORITHMS_OPTICALFLOWPYRLK_H
 
#include "../Export.h"
#include "../ImageFormat.h"
#include "../Status.h"
#include "../Types.h"
 
#include <stdbool.h>
#include <stdint.h>
 
#ifdef __cplusplus
extern "C" {
#endif
 
typedef enum
{
    VPI_LK_ERROR_L1
} VPIEpsilonType;
 
typedef struct
{
    uint32_t useInitialFlow;
 
    uint32_t termination;
 
    VPIEpsilonType epsilonType;
 
    float epsilon;
 
    int32_t numIterations;
 
    int32_t windowDimension;
 
} VPIOpticalFlowPyrLKParams;
 
#if NV_VPI_VERSION_API_AT_MOST(3, 1)
__asm__(".symver vpiInitOpticalFlowPyrLKParams,vpiInitOpticalFlowPyrLKParams@VPI_3.0");
VPI_PUBLIC VPIStatus vpiInitOpticalFlowPyrLKParams(VPIOpticalFlowPyrLKParams *params);
#else
VPI_PUBLIC VPIStatus vpiInitOpticalFlowPyrLKParams(uint64_t backends, VPIOpticalFlowPyrLKParams *params);
#endif
 
VPI_PUBLIC VPIStatus vpiCreateOpticalFlowPyrLK(uint64_t backends, int32_t width, int32_t height, VPIImageFormat fmt,
                                               int32_t levels, float scale, VPIPayload *payload);
 
VPI_PUBLIC VPIStatus vpiSubmitOpticalFlowPyrLK(VPIStream stream, uint64_t backend, VPIPayload payload,
                                               VPIPyramid prevPyr, VPIPyramid curPyr, VPIArray prevPts, VPIArray curPts,
                                               VPIArray trackingStatus, const VPIOpticalFlowPyrLKParams *params);
 
#ifdef __cplusplus
}
#endif
 // end of VPI_OpticalFlowPyrLK
 
#endif // NV_VPI_ALGORITHMS_OPTICALFLOWPYRLK_H