OpenCVInterop.hpp

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#ifndef NV_VPI_OPENCV_INTEROP_HPP
#define NV_VPI_OPENCV_INTEROP_HPP
 
#include "detail/OpenCVUtils.hpp"
 
#include "Image.h"
 
#include <opencv2/core/core.hpp>
 
#include <vector>
 
inline VPIStatus vpiImageCreateOpenCVMatWrapper(const cv::Mat &mat, VPIImageFormat fmt, uint32_t flags, VPIImage *img)
{
    VPIImageData imgData = {};
    VPIStatus status     = ::nv::vpi::detail::FillImageData(mat, fmt, &imgData);
    if (status != VPI_SUCCESS)
    {
        return status;
    }
 
    return vpiImageCreateHostMemWrapper(&imgData, flags, img);
}
 
inline VPIStatus vpiImageCreateOpenCVMatWrapper(const cv::Mat &mat, uint32_t flags, VPIImage *img)
{
    VPIImageData imgData = {};
    VPIStatus status     = ::nv::vpi::detail::FillImageData(mat, &imgData);
    if (status != VPI_SUCCESS)
    {
        return status;
    }
 
    return vpiImageCreateHostMemWrapper(&imgData, flags, img);
}
 
inline VPIStatus vpiImageSetWrappedOpenCVMat(VPIImage img, const cv::Mat &mat)
{
    VPIImageFormat fmt;
    VPIStatus status = vpiImageGetFormat(img, &fmt);
    if (status != VPI_SUCCESS)
    {
        return status;
    }
 
    VPIImageData imgData = {};
    status               = ::nv::vpi::detail::FillImageData(mat, fmt, &imgData);
    if (status != VPI_SUCCESS)
    {
        return status;
    }
 
    return vpiImageSetWrappedHostMem(img, &imgData);
}
 
inline VPIStatus vpiImageCreateOpenCVMatPlanesWrapper(const std::vector<cv::Mat> &matPlanes, VPIImageFormat fmt,
                                                      uint32_t flags, VPIImage *img)
{
    VPIImageData imgData = {};
    VPIStatus status     = ::nv::vpi::detail::FillImageData(matPlanes, fmt, &imgData);
    if (status != VPI_SUCCESS)
    {
        return status;
    }
 
    return vpiImageCreateHostMemWrapper(&imgData, flags, img);
}
 
inline VPIStatus vpiImageSetWrappedOpenCVMatPlanes(VPIImage img, const std::vector<cv::Mat> &matPlanes)
{
    VPIImageFormat fmt;
    VPIStatus status = vpiImageGetFormat(img, &fmt);
    if (status != VPI_SUCCESS)
    {
        return status;
    }
 
    VPIImageData imgData = {};
    status               = ::nv::vpi::detail::FillImageData(matPlanes, fmt, &imgData);
    if (status != VPI_SUCCESS)
    {
        return status;
    }
 
    return vpiImageSetWrappedHostMem(img, &imgData);
}
 
inline VPIStatus vpiImageDataExportOpenCVMat(const VPIImageData &imgData, cv::Mat *mat)
{
    if (mat == NULL)
    {
        return VPI_ERROR_INVALID_ARGUMENT;
    }
 
    return ::nv::vpi::detail::ExportOpenCVMat(imgData, *mat);
}
 
inline VPIStatus vpiImageDataExportOpenCVMatPlanes(const VPIImageData &imgData, std::vector<cv::Mat> *matPlanes)
{
    if (matPlanes == NULL)
    {
        return VPI_ERROR_INVALID_ARGUMENT;
    }
 
    return ::nv::vpi::detail::ExportOpenCVMatPlanes(imgData, *matPlanes);
}
 
inline VPIStatus vpiImageDataImportOpenCVMat(const cv::Mat &mat, VPIImageData *imgData)
{
    if (imgData == NULL)
    {
        return VPI_ERROR_INVALID_ARGUMENT;
    }
 
    return ::nv::vpi::detail::FillImageData(mat, imgData);
}
 
inline VPIStatus vpiImageDataImportOpenCVMat(const cv::Mat &mat, VPIImageFormat fmt, VPIImageData *imgData)
{
    if (imgData == NULL)
    {
        return VPI_ERROR_INVALID_ARGUMENT;
    }
 
    return ::nv::vpi::detail::FillImageData(mat, fmt, imgData);
}
 
inline VPIStatus vpiImageDataImportOpenCVMatPlanes(const std::vector<cv::Mat> &matPlanes, VPIImageFormat fmt,
                                                   VPIImageData *imgData)
{
    if (imgData == NULL)
    {
        return VPI_ERROR_INVALID_ARGUMENT;
    }
 
    return ::nv::vpi::detail::FillImageData(matPlanes, fmt, imgData);
}
 
#endif // NV_VPI_OPENCV_INTEROP_HPP