static vx_status vxHistogramOutputValidator(vx_node node, vx_uint32 index, vx_meta_format_t *ptr)
{
vx_status status = VX_ERROR_INVALID_PARAMETERS;
if (index == 1)
{
vx_image src = 0;
vx_parameter src_param = vxGetParameterByIndex(node, 0);
vx_parameter dst_param = vxGetParameterByIndex(node, 1);
vx_distribution dist;
vxQueryParameter(src_param, VX_PARAMETER_ATTRIBUTE_REF, &src, sizeof(src));
vxQueryParameter(dst_param, VX_PARAMETER_ATTRIBUTE_REF, &dist, sizeof(dist));
if ((src) && (dist))
{
vx_uint32 width = 0, height = 0;
vx_df_image format;
vx_size numBins = 0;
vxQueryDistribution(dist, VX_DISTRIBUTION_ATTRIBUTE_BINS, &numBins, sizeof(numBins));
vxQueryImage(src, VX_IMAGE_ATTRIBUTE_WIDTH, &width, sizeof(height));
vxQueryImage(src, VX_IMAGE_ATTRIBUTE_HEIGHT, &height, sizeof(height));
vxQueryImage(src, VX_IMAGE_ATTRIBUTE_FORMAT, &format, sizeof(format));
/* fill in the meta data with the attributes so that the checker will pass */
ptr->type = VX_TYPE_DISTRIBUTION;
status = VX_SUCCESS;
vxReleaseDistribution(&dist);
vxReleaseImage(&src);
}
vxReleaseParameter(&dst_param);
vxReleaseParameter(&src_param);
}
return status;
}
int CVxParamDistribution::Shutdown(void)
{
if (m_compareCountMatches > 0 && m_compareCountMismatches == 0) {
printf("OK: distribution COMPARE MATCHED for %d frame(s) of %s\n", m_compareCountMatches, GetVxObjectName());
}
if (m_distribution){
vxReleaseDistribution(&m_distribution);
m_distribution = nullptr;
}
if (m_bufForCompare) {
delete[] m_bufForCompare;
m_bufForCompare = nullptr;
}
return 0;
}
int CVxParamDistribution::Initialize(vx_context context, vx_graph graph, const char * desc)
{
// get object parameters and create object
char objType[64];
const char * ioParams = ScanParameters(desc, "distribution:<numBins>,<offset>,<range>", "s:D,d,d", objType, &m_numBins, &m_offset, &m_range);
if (!_stricmp(objType, "distribution")) {
m_distribution = vxCreateDistribution(context, m_numBins, m_offset, m_range);
}
else ReportError("ERROR: unsupported distribution type: %s\n", desc);
vx_status ovxStatus = vxGetStatus((vx_reference)m_distribution);
if (ovxStatus != VX_SUCCESS){
printf("ERROR: distribution creation failed => %d (%s)\n", ovxStatus, ovxEnum2Name(ovxStatus));
if (m_distribution) vxReleaseDistribution(&m_distribution);
throw - 1;
}
m_vxObjRef = (vx_reference)m_distribution;
// io initialize
return InitializeIO(context, graph, m_vxObjRef, ioParams);
}
