OpenCV_bitwiseAnd.cpp

/*
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*/

#include "internal_publishKernels.h"

/************************************************************************************************************
input parameter validator.
param [in] node The handle to the node.
param [in] index The index of the parameter to validate.
*************************************************************************************************************/
vx_status VX_CALLBACK CV_bitwise_and_InputValidator(vx_node node, vx_uint32 index)
{
    vx_status status = VX_SUCCESS;
    vx_parameter param = vxGetParameterByIndex(node, index);

    if (index == 0)
    {
        vx_image image;
        vx_df_image df_image = VX_DF_IMAGE_VIRT;
        STATUS_ERROR_CHECK(vxQueryParameter(param, VX_PARAMETER_ATTRIBUTE_REF, &image, sizeof(vx_image)));
        STATUS_ERROR_CHECK(vxQueryImage(image, VX_IMAGE_ATTRIBUTE_FORMAT, &df_image, sizeof(df_image)));
        if (df_image != VX_DF_IMAGE_U8 && df_image != VX_DF_IMAGE_S16)
        {
            status = VX_ERROR_INVALID_VALUE;
        }
        vxReleaseImage(&image);
    }

    if (index == 1)
    {
        vx_image image;
        vx_df_image df_image = VX_DF_IMAGE_VIRT;
        STATUS_ERROR_CHECK(vxQueryParameter(param, VX_PARAMETER_ATTRIBUTE_REF, &image, sizeof(vx_image)));
        STATUS_ERROR_CHECK(vxQueryImage(image, VX_IMAGE_ATTRIBUTE_FORMAT, &df_image, sizeof(df_image)));
        if (df_image != VX_DF_IMAGE_U8 && df_image != VX_DF_IMAGE_S16)
        {
            status = VX_ERROR_INVALID_VALUE;
        }
        vxReleaseImage(&image);
    }

    else if (index == 2)
    {
        vx_image image;
        vx_df_image df_image = VX_DF_IMAGE_VIRT;
        STATUS_ERROR_CHECK(vxQueryParameter(param, VX_PARAMETER_ATTRIBUTE_REF, &image, sizeof(vx_image)));
        STATUS_ERROR_CHECK(vxQueryImage(image, VX_IMAGE_ATTRIBUTE_FORMAT, &df_image, sizeof(df_image)));
        if (df_image != VX_DF_IMAGE_U8 && df_image != VX_DF_IMAGE_S16)
        {
            status = VX_ERROR_INVALID_VALUE;
        }
        vxReleaseImage(&image);
    }

    vxReleaseParameter(&param);
    return status;
}

/************************************************************************************************************
output parameter validator.
*************************************************************************************************************/
vx_status VX_CALLBACK CV_bitwise_and_OutputValidator(vx_node node, vx_uint32 index, vx_meta_format meta)
{
    vx_status status = VX_SUCCESS;
    if (index == 2)
    {
        vx_parameter output_param = vxGetParameterByIndex(node, 2);
        vx_image output;
        vx_uint32 width = 0, height = 0;
        vx_df_image format = VX_DF_IMAGE_VIRT;

        STATUS_ERROR_CHECK(vxQueryParameter(output_param, VX_PARAMETER_ATTRIBUTE_REF, &output, sizeof(vx_image)));
        STATUS_ERROR_CHECK(vxQueryImage(output, VX_IMAGE_ATTRIBUTE_FORMAT, &format, sizeof(format)));
        STATUS_ERROR_CHECK(vxQueryImage(output, VX_IMAGE_ATTRIBUTE_WIDTH, &width, sizeof(width)));
        STATUS_ERROR_CHECK(vxQueryImage(output, VX_IMAGE_ATTRIBUTE_HEIGHT, &height, sizeof(height)));

        if (format != VX_DF_IMAGE_U8 && format != VX_DF_IMAGE_S16)
        {
            status = VX_ERROR_INVALID_VALUE;
        }

        STATUS_ERROR_CHECK(vxSetMetaFormatAttribute(meta, VX_IMAGE_ATTRIBUTE_WIDTH, &width, sizeof(width)));
        STATUS_ERROR_CHECK(vxSetMetaFormatAttribute(meta, VX_IMAGE_ATTRIBUTE_HEIGHT, &height, sizeof(height)));
        STATUS_ERROR_CHECK(vxSetMetaFormatAttribute(meta, VX_IMAGE_ATTRIBUTE_FORMAT, &format, sizeof(format)));

        vxReleaseImage(&output);
        vxReleaseParameter(&output_param);
    }
    return status;
}

/************************************************************************************************************
Execution Kernel
*************************************************************************************************************/
vx_status VX_CALLBACK CV_bitwise_and_Kernel(vx_node node, const vx_reference *parameters, vx_uint32 num)
{
    vx_status status = VX_SUCCESS;
    vx_image image_1 = (vx_image)parameters[0];
    vx_image image_2 = (vx_image)parameters[1];
    vx_image image_out = (vx_image)parameters[2];

    Mat *mat_1, *mat_2, bl;

    //Converting VX Image to OpenCV Mat 1
    STATUS_ERROR_CHECK(match_vx_image_parameters(image_1, image_2));
    STATUS_ERROR_CHECK(match_vx_image_parameters(image_1, image_out));
    STATUS_ERROR_CHECK(VX_to_CV_Image(&mat_1, image_1));
    STATUS_ERROR_CHECK(VX_to_CV_Image(&mat_2, image_2));

    //Compute using OpenCV
    cv::bitwise_and(*mat_1, *mat_2, bl);

    //Converting OpenCV Mat into VX Image
    STATUS_ERROR_CHECK(CV_to_VX_Image(image_out, &bl));

    return status;
}

/************************************************************************************************************
Function to Register the Kernel for Publish
*************************************************************************************************************/
vx_status CV_bitwise_and_Register(vx_context context)
{
    vx_status status = VX_SUCCESS;
    vx_kernel kernel = vxAddKernel(context,
                                   "org.opencv.bitwise_and",
                                   VX_KERNEL_OPENCV_BITWISE_AND,
                                   CV_bitwise_and_Kernel,
                                   3,
                                   CV_bitwise_and_InputValidator,
                                   CV_bitwise_and_OutputValidator,
                                   nullptr,
                                   nullptr);

    if (kernel)
    {
        PARAM_ERROR_CHECK(vxAddParameterToKernel(kernel, 0, VX_INPUT, VX_TYPE_IMAGE, VX_PARAMETER_STATE_REQUIRED));
        PARAM_ERROR_CHECK(vxAddParameterToKernel(kernel, 1, VX_INPUT, VX_TYPE_IMAGE, VX_PARAMETER_STATE_REQUIRED));
        PARAM_ERROR_CHECK(vxAddParameterToKernel(kernel, 2, VX_OUTPUT, VX_TYPE_IMAGE, VX_PARAMETER_STATE_REQUIRED));
        PARAM_ERROR_CHECK(vxFinalizeKernel(kernel));
    }

    if (status != VX_SUCCESS)
    {
exit:
        vxRemoveKernel(kernel);
        return VX_FAILURE;
    }

    return status;
}