VX_API_ENTRY vx_parameter VX_API_CALL vxGetKernelParameterByIndex(vx_kernel kernel, vx_uint32 index)
{
vx_parameter parameter = NULL;
if (vxIsValidSpecificReference(&kernel->base, VX_TYPE_KERNEL) == vx_true_e)
{
if (index < VX_INT_MAX_PARAMS && index < kernel->signature.num_parameters)
{
parameter = (vx_parameter)vxCreateReference(kernel->base.context, VX_TYPE_PARAMETER, VX_EXTERNAL, &kernel->base.context->base);
if (vxGetStatus((vx_reference)parameter) == VX_SUCCESS && parameter->base.type == VX_TYPE_PARAMETER)
{
parameter->index = index;
parameter->node = NULL;
parameter->kernel = kernel;
vxIncrementReference(¶meter->kernel->base, VX_INTERNAL);
}
}
else
{
vxAddLogEntry(&kernel->base, VX_ERROR_INVALID_PARAMETERS, "Index %u out of range for node %s (numparams = %u)!\n",
index, kernel->name, kernel->signature.num_parameters);
parameter = (vx_parameter_t *)vxGetErrorObject(kernel->base.context, VX_ERROR_INVALID_PARAMETERS);
}
}
return parameter;
}
VX_API_ENTRY vx_distribution VX_API_CALL vxCreateDistribution(vx_context context, vx_size numBins, vx_int32 offset, vx_uint32 range)
{
vx_distribution distribution = NULL;
if (vxIsValidContext(context) == vx_true_e)
{
if ((numBins != 0) && (range != 0))
{
distribution = (vx_distribution)vxCreateReference(context, VX_TYPE_DISTRIBUTION, VX_EXTERNAL, &context->base);
if ( vxGetStatus((vx_reference)distribution) == VX_SUCCESS &&
distribution->base.type == VX_TYPE_DISTRIBUTION)
{
distribution->memory.ndims = 2;
distribution->memory.nptrs = 1;
distribution->memory.strides[0][VX_DIM_C] = sizeof(vx_int32);
distribution->memory.dims[0][VX_DIM_C] = 1;
distribution->memory.dims[0][VX_DIM_X] = (vx_int32)numBins;
distribution->memory.dims[0][VX_DIM_Y] = 1;
distribution->memory.cl_type = CL_MEM_OBJECT_BUFFER;
distribution->window_x = (vx_uint32)range/(vx_uint32)numBins;
distribution->window_y = 1;
distribution->offset_x = offset;
distribution->offset_y = 0;
}
}
else
{
VX_PRINT(VX_ZONE_ERROR, "Invalid parameters to distribution\n");
vxAddLogEntry(&context->base, VX_ERROR_INVALID_PARAMETERS, "Invalid parameters to distribution\n");
distribution = (vx_distribution)vxGetErrorObject(context, VX_ERROR_INVALID_PARAMETERS);
}
}
return distribution;
}
vx_status vxTargetDeinit(vx_target_t *target)
{
vx_context context = target->base.context;
if (vxGetStatus((vx_reference)context) == VX_SUCCESS)
{
cl_uint p = 0, d = 0;
vx_uint32 k = 0;
for (p = 0; p < context->num_platforms; p++)
{
for (k = 0; k < num_cl_kernels; k++)
{
vxDecrementReference(&target->kernels[k].base, VX_INTERNAL);
clReleaseKernel(cl_kernels[k]->kernels[p]);
clReleaseProgram(cl_kernels[k]->program[p]);
}
for (d = 0; d < context->num_devices[p]; d++)
{
clReleaseCommandQueue(context->queues[p][d]);
}
clReleaseContext(context->global[p]);
}
}
return VX_SUCCESS;
}
static vx_status VX_CALLBACK vxMagnitudeOutputValidator(vx_node node, vx_uint32 index, vx_meta_format_t *ptr)
{
vx_status status = VX_ERROR_INVALID_PARAMETERS;
if (index == 2)
{
vx_parameter param = vxGetParameterByIndex(node, 0);
if (vxGetStatus((vx_reference)param) == VX_SUCCESS)
{
vx_image input = 0;
vxQueryParameter(param, VX_PARAMETER_REF, &input, sizeof(input));
if (input)
{
vx_uint32 width = 0, height = 0;
vxQueryImage(input, VX_IMAGE_WIDTH, &width, sizeof(width));
vxQueryImage(input, VX_IMAGE_HEIGHT, &height, sizeof(height));
ptr->type = VX_TYPE_IMAGE;
ptr->dim.image.format = VX_DF_IMAGE_S16;
ptr->dim.image.width = width;
ptr->dim.image.height = height;
status = VX_SUCCESS;
vxReleaseImage(&input);
}
vxReleaseParameter(¶m);
}
}
return status;
}
VX_API_ENTRY vx_lut VX_API_CALL vxCreateLUT(vx_context context, vx_enum data_type, vx_size count)
{
vx_lut_t *lut = NULL;
if (vxIsValidContext(context) == vx_true_e)
{
if (data_type == VX_TYPE_UINT8)
{
#if defined(OPENVX_STRICT_1_0)
if (count != 256)
{
VX_PRINT(VX_ZONE_ERROR, "Invalid parameter to LUT\n");
vxAddLogEntry(&context->base, VX_ERROR_INVALID_PARAMETERS, "Invalid parameter to LUT\n");
lut = (vx_lut_t *)vxGetErrorObject(context, VX_ERROR_INVALID_PARAMETERS);
}
else
#endif
{
lut = (vx_lut_t *)vxCreateArrayInt(context, VX_TYPE_UINT8, count, vx_false_e, VX_TYPE_LUT);
if (vxGetStatus((vx_reference)lut) == VX_SUCCESS && lut->base.type == VX_TYPE_LUT)
{
lut->num_items = count;
vxPrintArray(lut);
}
}
}
#if !defined(OPENVX_STRICT_1_0)
else if (data_type == VX_TYPE_UINT16)
{
lut = (vx_lut_t *)vxCreateArrayInt(context, VX_TYPE_UINT16, count, vx_false_e, VX_TYPE_LUT);
if (vxGetStatus((vx_reference)lut) == VX_SUCCESS && lut->base.type == VX_TYPE_LUT)
{
lut->num_items = count;
vxPrintArray(lut);
}
}
#endif
else
{
VX_PRINT(VX_ZONE_ERROR, "Invalid data type\n");
vxAddLogEntry(&context->base, VX_ERROR_INVALID_TYPE, "Invalid data type\n");
lut = (vx_lut_t *)vxGetErrorObject(context, VX_ERROR_INVALID_TYPE);
}
}
return (vx_lut)lut;
}
VX_API_ENTRY vx_node VX_API_CALL vxTensorAddNode(vx_graph graph, vx_tensor input1, vx_tensor input2, vx_enum policy, vx_tensor output)
{
vx_node node = NULL;
vx_context context = vxGetContext((vx_reference)graph);
if (vxGetStatus((vx_reference)context) == VX_SUCCESS) {
vx_scalar s_policy = vxCreateScalarWithSize(context, VX_TYPE_ENUM, &policy, sizeof(policy));
if (vxGetStatus((vx_reference)s_policy) == VX_SUCCESS)
{
vx_reference params[] = {
(vx_reference)input1,
(vx_reference)input2,
(vx_reference)s_policy,
(vx_reference)output
};
node = createNode(graph, VX_KERNEL_TENSOR_ADD, params, sizeof(params) / sizeof(params[0]));
vxReleaseScalar(&s_policy);
}
}
return node;
}
VX_API_ENTRY vx_node vxROIPoolingLayer(vx_graph graph, vx_tensor input_data, vx_tensor input_rois,
const vx_nn_roi_pool_params_t *roi_pool_params,vx_size size_of_roi_params, vx_tensor output_arr)
{
return NULL;
vx_node node = NULL;
vx_context context = vxGetContext((vx_reference)graph);
if(vxGetStatus((vx_reference)context) == VX_SUCCESS) {
vx_scalar roi_params = vxCreateScalarWithSize(context, VX_TYPE_NN_ROI_POOL_PARAMS, roi_pool_params, size_of_roi_params);
if(vxGetStatus((vx_reference)roi_params) == VX_SUCCESS) {
vx_reference params[] = {
(vx_reference)input_data,
(vx_reference)input_rois,
(vx_reference)roi_params,
(vx_reference)output_arr
};
node = createNode(graph, VX_KERNEL_ROI_POOLING_LAYER, params, sizeof(params)/sizeof(params[0]));
}
vxReleaseScalar(&roi_params);
}
return node;
}
VX_API_ENTRY vx_node VX_API_CALL vxArgmaxLayer(vx_graph graph, vx_tensor input, vx_reference output)
{
vx_node node = NULL;
vx_context context = vxGetContext((vx_reference)graph);
if (vxGetStatus((vx_reference)context) == VX_SUCCESS) {
vx_reference params[] = {
(vx_reference)input,
(vx_reference)output
};
node = createNode(graph, VX_KERNEL_ARGMAX_LAYER_AMD, params, sizeof(params) / sizeof(params[0]));
}
return node;
}
vx_array vxCreateArrayInt(vx_context context, vx_enum item_type, vx_size capacity, vx_bool is_virtual, vx_enum type)
{
vx_array arr = (vx_array)vxCreateReference(context, type, VX_EXTERNAL, &context->base);
if (vxGetStatus((vx_reference)arr) == VX_SUCCESS && arr->base.type == type)
{
arr->item_type = item_type;
arr->item_size = vxArrayItemSize(context, item_type);
arr->capacity = capacity;
arr->base.is_virtual = is_virtual;
vxInitArrayMemory(arr);
}
return arr;
}
VX_API_ENTRY vx_node VX_API_CALL vxConvertImageToTensorNode(vx_graph graph, vx_image input, vx_tensor output, vx_float32 a, vx_float32 b, vx_bool reverse_channel_order)
{
vx_node node = NULL;
vx_context context = vxGetContext((vx_reference)graph);
if (vxGetStatus((vx_reference)context) == VX_SUCCESS) {
vx_scalar s_a = vxCreateScalarWithSize(context, VX_TYPE_FLOAT32, &a, sizeof(a));
vx_scalar s_b = vxCreateScalarWithSize(context, VX_TYPE_FLOAT32, &b, sizeof(b));
vx_scalar s_order = vxCreateScalarWithSize(context, VX_TYPE_BOOL, &reverse_channel_order, sizeof(reverse_channel_order));
if(vxGetStatus((vx_reference)s_order) == VX_SUCCESS) {
vx_reference params[] = {
(vx_reference)input,
(vx_reference)output,
(vx_reference)s_a,
(vx_reference)s_b,
(vx_reference)s_order
};
node = createNode(graph, VX_KERNEL_CONVERT_IMAGE_TO_TENSOR_AMD, params, sizeof(params) / sizeof(params[0]));
vxReleaseScalar(&s_a);
vxReleaseScalar(&s_b);
vxReleaseScalar(&s_order);
}
}
return node;
}
//! [node]
vx_node vxXYZNode(vx_graph graph, vx_image input, vx_uint32 value, vx_image output, vx_array temp)
{
vx_uint32 i;
vx_node node = 0;
vx_context context = vxGetContext((vx_reference)graph);
vx_status status = vxLoadKernels(context, "xyz");
if (status == VX_SUCCESS)
{
//! [xyz node]
vx_kernel kernel = vxGetKernelByName(context, VX_KERNEL_NAME_KHR_XYZ);
if (kernel)
{
node = vxCreateGenericNode(graph, kernel);
if (vxGetStatus((vx_reference)node) == VX_SUCCESS)
{
vx_status statuses[4];
vx_scalar scalar = vxCreateScalar(context, VX_TYPE_INT32, &value);
statuses[0] = vxSetParameterByIndex(node, 0, (vx_reference)input);
statuses[1] = vxSetParameterByIndex(node, 1, (vx_reference)scalar);
statuses[2] = vxSetParameterByIndex(node, 2, (vx_reference)output);
statuses[3] = vxSetParameterByIndex(node, 3, (vx_reference)temp);
vxReleaseScalar(&scalar);
for (i = 0; i < dimof(statuses); i++)
{
if (statuses[i] != VX_SUCCESS)
{
status = VX_ERROR_INVALID_PARAMETERS;
vxReleaseNode(&node);
vxReleaseKernel(&kernel);
node = 0;
kernel = 0;
break;
}
}
}
else
{
vxReleaseKernel(&kernel);
}
}
else
{
vxUnloadKernels(context, "xyz");
}
//! [xyz node]
}
return node;
}
vx_meta_format vxCreateMetaFormat(vx_context context)
{
vx_meta_format meta = NULL;
if (vxIsValidContext(context) == vx_true_e)
{
meta = (vx_meta_format)vxCreateReference(context, VX_TYPE_META_FORMAT, VX_EXTERNAL, &context->base);
if (vxGetStatus((vx_reference)meta) == VX_SUCCESS)
{
meta->size = sizeof(vx_meta_format_t);
meta->type = VX_TYPE_INVALID;
}
}
return meta;
}
int CVxParamArray::Initialize(vx_context context, vx_graph graph, const char * desc)
{
// get object parameters and create object
char objType[64];
const char * ioParams = ScanParameters(desc, "array|virtual-array:", "s:", objType);
if (!_stricmp(objType, "array") || !_stricmp(objType, "virtual-array") ||
!_stricmp(objType, "array-virtual"))
{
// syntax: [virtual-]array:<format>,<capacity>[:<io-params>]
char itemType[64];
ioParams = ScanParameters(ioParams, "<format>,<capacity>", "s,D", &itemType, &m_capacity);
bool found_userStruct = false;
for (auto it = m_userStructMap->begin(); it != m_userStructMap->end(); ++it){
if (strcmp(itemType, it->first.c_str()) == 0){
found_userStruct = true;
m_format = it->second;
}
}
if (found_userStruct == false){
m_format = ovxName2Enum(itemType);
if (m_format == 0) {
ReportError("ERROR: invalid array item type specified: %s\n", itemType);
}
}
// create array object
if (!_stricmp(objType, "virtual-array") || !_stricmp(objType, "array-virtual")) {
m_array = vxCreateVirtualArray(graph, m_format, m_capacity);
m_isVirtualObject = true;
}
else {
m_array = vxCreateArray(context, m_format, m_capacity);
}
}
else ReportError("ERROR: unsupported array type: %s\n", desc);
vx_status ovxStatus = vxGetStatus((vx_reference)m_array);
if (ovxStatus != VX_SUCCESS){
printf("ERROR: array creation failed => %d (%s)\n", ovxStatus, ovxEnum2Name(ovxStatus));
if (m_array) vxReleaseArray(&m_array);
throw - 1;
}
m_vxObjRef = (vx_reference)m_array;
// io initialize
return InitializeIO(context, graph, m_vxObjRef, ioParams);
}
int CVxParamRemap::Initialize(vx_context context, vx_graph graph, const char * desc)
{
// get object parameters and create object
// syntax: remap:<srcWidth>,<srcHeight>,<dstWidth>,<dstHeight>[:<io-params>]
char objType[64];
const char * ioParams = ScanParameters(desc, "remap:<srcWidth>,<srcHeight>,<dstWidth>,<dstHeight>", "s:d,d,d,d", objType, &m_srcWidth, &m_srcHeight, &m_dstWidth, &m_dstHeight);
if (!_stricmp(objType, "remap")) {
m_remap = vxCreateRemap(context, m_srcWidth, m_srcHeight, m_dstWidth, m_dstHeight);
}
else ReportError("ERROR: invalid remap type: %s\n", objType);
vx_status ovxStatus = vxGetStatus((vx_reference)m_remap);
if (ovxStatus != VX_SUCCESS){
printf("ERROR: pyramid creation failed => %d (%s)\n", ovxStatus, ovxEnum2Name(ovxStatus));
if (m_remap) vxReleaseRemap(&m_remap);
throw - 1;
}
// io initialize
return InitializeIO(context, graph, (vx_reference)m_remap, ioParams);
}
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);
}
//! [vxu]
vx_status vxuXYZ(vx_context context, vx_image input, vx_uint32 value, vx_image output, vx_array temp)
{
vx_status status = VX_FAILURE;
vx_graph graph = vxCreateGraph(context);
if (vxGetStatus((vx_reference)graph) == VX_SUCCESS)
{
vx_node node = vxXYZNode(graph, input, value, output, temp);
if (node)
{
status = vxVerifyGraph(graph);
if (status == VX_SUCCESS)
{
status = vxProcessGraph(graph);
}
vxReleaseNode(&node);
}
vxReleaseGraph(&graph);
}
return status;
}
int CVxParamMatrix::Initialize(vx_context context, vx_graph graph, const char * desc)
{
// get object parameters and create object
char objType[64], data_type[64];
const char * ioParams = ScanParameters(desc, "matrix:<data-type>,<columns>,<rows>", "s:s,D,D", objType, data_type, &m_columns, &m_rows);
if (!_stricmp(objType, "matrix")) {
m_data_type = ovxName2Enum(data_type);
m_matrix = vxCreateMatrix(context, m_data_type, m_columns, m_rows);
}
else ReportError("ERROR: unsupported matrix type: %s\n", desc);
vx_status ovxStatus = vxGetStatus((vx_reference)m_matrix);
if (ovxStatus != VX_SUCCESS){
printf("ERROR: matrix creation failed => %d (%s)\n", ovxStatus, ovxEnum2Name(ovxStatus));
if (m_matrix) vxReleaseMatrix(&m_matrix);
throw - 1;
}
m_vxObjRef = (vx_reference)m_matrix;
// io initialize
return InitializeIO(context, graph, m_vxObjRef, ioParams);
}
VX_API_ENTRY vx_parameter VX_API_CALL vxGetParameterByIndex(vx_node node, vx_uint32 index)
{
vx_parameter param = NULL;
if (vxIsValidSpecificReference(&node->base, VX_TYPE_NODE) == vx_false_e)
{
return param;
}
if (node->kernel == NULL)
{
/* this can probably never happen */
vxAddLogEntry(&node->base, VX_ERROR_INVALID_NODE, "Node was created without a kernel! Fatal Error!\n");
param = (vx_parameter_t *)vxGetErrorObject(node->base.context, VX_ERROR_INVALID_NODE);
}
else
{
if (/*0 <= index &&*/ index < VX_INT_MAX_PARAMS && index < node->kernel->signature.num_parameters)
{
param = (vx_parameter)vxCreateReference(node->base.context, VX_TYPE_PARAMETER, VX_EXTERNAL, &node->base);
if (vxGetStatus((vx_reference)param) == VX_SUCCESS && param->base.type == VX_TYPE_PARAMETER)
{
param->index = index;
param->node = node;
vxIncrementReference(¶m->node->base, VX_INTERNAL);
param->kernel = node->kernel;
vxIncrementReference(¶m->kernel->base, VX_INTERNAL);
// if (node->parameters[index])
// vxIncrementReference(node->parameters[index], VX_INTERNAL);
}
}
else
{
vxAddLogEntry(&node->base, VX_ERROR_INVALID_PARAMETERS, "Index %u out of range for node %s (numparams = %u)!\n",
index, node->kernel->name, node->kernel->signature.num_parameters);
param = (vx_parameter_t *)vxGetErrorObject(node->base.context, VX_ERROR_INVALID_PARAMETERS);
}
}
VX_PRINT(VX_ZONE_API, "%s: returning %p\n", __FUNCTION__, param);
return param;
}
/*!
* \brief An example of an super resolution algorithm.
* \ingroup group_example
*/
int example_super_resolution(int argc, char *argv[])
{
vx_status status = VX_SUCCESS;
vx_uint32 image_index = 0, max_num_images = 4;
vx_uint32 width = 640;
vx_uint32 i = 0;
vx_uint32 winSize = 32;
vx_uint32 height = 480;
vx_int32 sens_thresh = 20;
vx_float32 alpha = 0.2f;
vx_float32 tau = 0.5f;
vx_enum criteria = VX_TERM_CRITERIA_BOTH; // lk params
vx_float32 epsilon = 0.01;
vx_int32 num_iterations = 10;
vx_bool use_initial_estimate = vx_true_e;
vx_int32 min_distance = 5; // harris params
vx_float32 sensitivity = 0.04;
vx_int32 gradient_size = 3;
vx_int32 block_size = 3;
vx_context context = vxCreateContext();
vx_scalar alpha_s = vxCreateScalar(context, VX_TYPE_FLOAT32, &alpha);
vx_scalar tau_s = vxCreateScalar(context, VX_TYPE_FLOAT32, &tau);
vx_matrix matrix_forward = vxCreateMatrix(context, VX_TYPE_FLOAT32, 3, 3);
vx_matrix matrix_backwords = vxCreateMatrix(context, VX_TYPE_FLOAT32, 3, 3);
vx_array old_features = vxCreateArray(context, VX_TYPE_KEYPOINT, 1000);
vx_array new_features = vxCreateArray(context, VX_TYPE_KEYPOINT, 1000);
vx_scalar epsilon_s = vxCreateScalar(context, VX_TYPE_FLOAT32, &epsilon);
vx_scalar num_iterations_s = vxCreateScalar(context, VX_TYPE_INT32, &num_iterations);
vx_scalar use_initial_estimate_s = vxCreateScalar(context, VX_TYPE_BOOL, &use_initial_estimate);
vx_scalar min_distance_s = vxCreateScalar(context, VX_TYPE_INT32, &min_distance);
vx_scalar sensitivity_s = vxCreateScalar(context, VX_TYPE_FLOAT32, &sensitivity);
vx_scalar sens_thresh_s = vxCreateScalar(context, VX_TYPE_INT32, &sens_thresh);
vx_scalar num_corners = vxCreateScalar(context, VX_TYPE_SIZE, NULL);
if (vxGetStatus((vx_reference)context) == VX_SUCCESS)
{
vx_image images[] =
{ vxCreateImage(context, width, height, VX_DF_IMAGE_UYVY), // index 0:
vxCreateImage(context, width, height, VX_DF_IMAGE_U8), // index 1: Get Y channel
vxCreateImage(context, width * 2, height * 2, VX_DF_IMAGE_U8), // index 2: scale up to high res.
vxCreateImage(context, width * 2, height * 2, VX_DF_IMAGE_U8), // index 3: back wrap: transform to the original Image.
vxCreateImage(context, width * 2, height * 2, VX_DF_IMAGE_U8), // index 4: guassian blur
vxCreateImage(context, width, height, VX_DF_IMAGE_U8), // index 5: scale down
vxCreateImage(context, width, height, VX_DF_IMAGE_S16), // index 6: Subtract the transformed Image with original moved Image
vxCreateImage(context, width * 2, height * 2, VX_DF_IMAGE_S16), // index 7: Scale Up the delta image.
vxCreateImage(context, width * 2, height * 2, VX_DF_IMAGE_S16), // index 8: Guassian blur the delta Image
vxCreateImage(context, width * 2, height * 2, VX_DF_IMAGE_S16), // index 9: forward wrap: tranform the deltas back to the high res Image
vxCreateImage(context, width * 2, height * 2, VX_DF_IMAGE_U8), // index 10: accumulate sum?
vxCreateImage(context, width, height, VX_DF_IMAGE_U8), // index 11: Get U channel
vxCreateImage(context, width * 2, height * 2, VX_DF_IMAGE_U8), // index 12: scale up to high res.
vxCreateImage(context, width, height, VX_DF_IMAGE_U8), // index 13: Get V channel
vxCreateImage(context, width * 2, height * 2, VX_DF_IMAGE_U8), // index 14: scale up to high res.
vxCreateImage(context, width, height, VX_DF_IMAGE_UYVY), // index 15: output image
vxCreateImage(context, width * 2, height * 2, VX_DF_IMAGE_U8), // index 16: original y image scaled
vxCreateImage(context, width * 2, height * 2, VX_DF_IMAGE_U8), // index 17: difference image for last calculation
};
vx_pyramid pyramid_new = vxCreatePyramid(context, 4, 2, width, height, VX_DF_IMAGE_U8);
vx_pyramid pyramid_old = vxCreatePyramid(context, 4, 2, width, height, VX_DF_IMAGE_U8);
vx_graph graphs[] =
{ vxCreateGraph(context), vxCreateGraph(context), vxCreateGraph(context), vxCreateGraph(context), };
vxLoadKernels(context, "openvx-debug");
if (vxGetStatus((vx_reference)graphs[0]) == VX_SUCCESS)
{
vxChannelExtractNode(graphs[0], images[0], VX_CHANNEL_Y, images[1]); // One iteration of super resolution calculation
vxScaleImageNode(graphs[0], images[1], images[2], VX_INTERPOLATION_TYPE_BILINEAR);
vxWarpPerspectiveNode(graphs[0], images[2], matrix_forward, 0, images[3]);
vxGaussian3x3Node(graphs[0], images[3], images[4]);
vxScaleImageNode(graphs[0], images[4], images[5], VX_INTERPOLATION_TYPE_BILINEAR);
vxSubtractNode(graphs[0], images[5], images[16], VX_CONVERT_POLICY_SATURATE, images[6]);
vxScaleImageNode(graphs[0], images[6], images[7], VX_INTERPOLATION_TYPE_BILINEAR);
vxGaussian3x3Node(graphs[0], images[7], images[8]);
vxWarpPerspectiveNode(graphs[0], images[8], matrix_backwords, 0, images[9]);
vxAccumulateWeightedImageNode(graphs[0], images[9], alpha_s, images[10]);
}
if (vxGetStatus((vx_reference)graphs[1]) == VX_SUCCESS)
{
vxChannelExtractNode(graphs[1], images[0], VX_CHANNEL_Y, images[1]); // One iteration of super resolution calculation
vxGaussianPyramidNode(graphs[1], images[1], pyramid_new);
vxOpticalFlowPyrLKNode(graphs[1], pyramid_old, pyramid_new, old_features, old_features, new_features,
criteria, epsilon_s, num_iterations_s, use_initial_estimate_s, winSize);
}
if (vxGetStatus((vx_reference)graphs[2]) == VX_SUCCESS)
{
vxChannelExtractNode(graphs[2], images[0], VX_CHANNEL_Y, images[1]); // One iteration of super resolution calculation
vxHarrisCornersNode(graphs[2], images[1], sens_thresh_s, min_distance_s, sensitivity_s, gradient_size,
block_size, old_features, num_corners);
vxGaussianPyramidNode(graphs[2], images[1], pyramid_old);
vxScaleImageNode(graphs[2], images[1], images[16], VX_INTERPOLATION_TYPE_BILINEAR);
}
if (vxGetStatus((vx_reference)graphs[3]) == VX_SUCCESS)
{
vxSubtractNode(graphs[3], images[10], images[16], VX_CONVERT_POLICY_SATURATE, images[17]);
vxAccumulateWeightedImageNode(graphs[3], images[17], tau_s, images[16]);
vxChannelExtractNode(graphs[3], images[16], VX_CHANNEL_U, images[11]);
vxScaleImageNode(graphs[3], images[11], images[12], VX_INTERPOLATION_TYPE_BILINEAR); // upscale the u channel
vxChannelExtractNode(graphs[3], images[0], VX_CHANNEL_V, images[13]);
vxScaleImageNode(graphs[3], images[13], images[14], VX_INTERPOLATION_TYPE_BILINEAR); // upscale the v channel
vxChannelCombineNode(graphs[3], images[10], images[12], images[14], 0, images[15]); // recombine the channels
}
status = VX_SUCCESS;
status |= vxVerifyGraph(graphs[0]);
status |= vxVerifyGraph(graphs[1]);
status |= vxVerifyGraph(graphs[2]);
status |= vxVerifyGraph(graphs[3]);
if (status == VX_SUCCESS)
{
/* read the initial image in */
status |= vxuFReadImage(context, "c:\\work\\super_res\\superres_1_UYVY.yuv", images[0]);
/* compute the "old" pyramid */
status |= vxProcessGraph(graphs[2]);
/* for each input image, read it in and run graphs[1] and [0]. */
for (image_index = 1; image_index < max_num_images; image_index++)
{
char filename[256];
sprintf(filename, "c:\\work\\super_res\\superres_%d_UYVY.yuv", image_index + 1);
status |= vxuFReadImage(context, filename, images[0]);
status |= vxProcessGraph(graphs[1]);
userCalculatePerspectiveTransformFromLK(matrix_forward, matrix_backwords, old_features, new_features);
status |= vxProcessGraph(graphs[0]);
}
/* run the final graph */
status |= vxProcessGraph(graphs[3]);
/* save the output */
status |= vxuFWriteImage(context, images[15], "superres_UYVY.yuv");
}
vxReleaseGraph(&graphs[0]);
vxReleaseGraph(&graphs[1]);
vxReleaseGraph(&graphs[2]);
vxReleaseGraph(&graphs[3]);
for (i = 0; i < dimof(images); i++)
{
vxReleaseImage(&images[i]);
}
vxReleasePyramid(&pyramid_new);
vxReleasePyramid(&pyramid_old);
}
vxReleaseMatrix(&matrix_forward);
vxReleaseMatrix(&matrix_backwords);
vxReleaseScalar(&alpha_s);
vxReleaseScalar(&tau_s);
/* Release the context last */
vxReleaseContext(&context);
return status;
}
static void check(vx_image img)
{
vxErr(vxGetStatus((vx_reference)img), "image check").check();
}
static void check(vx_context ctx)
{
vxErr(vxGetStatus((vx_reference)ctx), "context check").check();
}
int CVxParamTensor::Initialize(vx_context context, vx_graph graph, const char * desc)
{
// get object parameters and create object
const char * ioParams = desc;
if (!_strnicmp(desc, "tensor:", 7) || !_strnicmp(desc, "virtual-tensor:", 15)) {
bool isVirtual = false;
if (!_strnicmp(desc, "virtual-tensor:", 15)) {
isVirtual = true;
desc += 8;
}
char objType[64], data_type[64];
ioParams = ScanParameters(desc, "tensor:<num-of-dims>,{dims},<data-type>,<fixed-point-pos>", "s:D,L,s,d", objType, &m_num_of_dims, &m_num_of_dims, m_dims, data_type, &m_fixed_point_pos);
m_data_type = ovxName2Enum(data_type);
if (isVirtual) {
m_tensor = vxCreateVirtualTensor(graph, m_num_of_dims, m_dims, m_data_type, m_fixed_point_pos);
}
else {
m_tensor = vxCreateTensor(context, m_num_of_dims, m_dims, m_data_type, m_fixed_point_pos);
}
}
else if (!_strnicmp(desc, "tensor-from-roi:", 16)) {
char objType[64], masterName[64];
ioParams = ScanParameters(desc, "tensor-from-view:<tensor>,<view>", "s:s,D,L,L", objType, masterName, &m_num_of_dims, &m_num_of_dims, m_start, &m_num_of_dims, m_end);
auto itMaster = m_paramMap->find(masterName);
if (itMaster == m_paramMap->end())
ReportError("ERROR: tensor [%s] doesn't exist for %s\n", masterName, desc);
vx_tensor masterTensor = (vx_tensor)itMaster->second->GetVxObject();
m_tensor = vxCreateTensorFromView(masterTensor, m_num_of_dims, m_start, m_end);
}
else if (!_strnicmp(desc, "tensor-from-handle:", 19)) {
char objType[64], data_type[64], memory_type_str[64];
ioParams = ScanParameters(desc, "tensor-from-handle:<num-of-dims>,{dims},<data-type>,<fixed-point-pos>,{strides},<num-handles>,<memory-type>",
"s:D,L,s,d,L,D,s", objType, &m_num_of_dims, &m_num_of_dims, m_dims, data_type, &m_fixed_point_pos, &m_num_of_dims, m_stride, &m_num_handles, memory_type_str);
if(m_num_handles > MAX_BUFFER_HANDLES)
ReportError("ERROR: num-handles is out of range: " VX_FMT_SIZE " (must be less than %d)\n", m_num_handles, MAX_BUFFER_HANDLES);
m_data_type = ovxName2Enum(data_type);
vx_uint64 memory_type = 0;
if (GetScalarValueFromString(VX_TYPE_ENUM, memory_type_str, &memory_type) < 0)
ReportError("ERROR: invalid memory type enum: %s\n", memory_type_str);
m_memory_type = (vx_enum)memory_type;
memset(m_memory_handle, 0, sizeof(m_memory_handle));
if (m_memory_type == VX_MEMORY_TYPE_HOST) {
// allocate all handles on host
for (vx_size active_handle = 0; active_handle < m_num_handles; active_handle++) {
vx_size size = m_dims[m_num_of_dims-1] * m_stride[m_num_of_dims-1];
m_memory_handle[active_handle] = malloc(size);
if (!m_memory_handle[active_handle])
ReportError("ERROR: malloc(%d) failed\n", (int)size);
}
}
#if ENABLE_OPENCL
else if (m_memory_type == VX_MEMORY_TYPE_OPENCL) {
// allocate all handles on opencl
cl_context opencl_context = nullptr;
vx_status status = vxQueryContext(context, VX_CONTEXT_ATTRIBUTE_AMD_OPENCL_CONTEXT, &opencl_context, sizeof(opencl_context));
if (status)
ReportError("ERROR: vxQueryContext(*,VX_CONTEXT_ATTRIBUTE_AMD_OPENCL_CONTEXT,...) failed (%d)\n", status);
for (vx_size active_handle = 0; active_handle < m_num_handles; active_handle++) {
vx_size size = m_dims[m_num_of_dims-1] * m_stride[m_num_of_dims-1];
cl_int err = CL_SUCCESS;
m_memory_handle[active_handle] = clCreateBuffer(opencl_context, CL_MEM_READ_WRITE, size, NULL, &err);
if (!m_memory_handle[active_handle] || err)
ReportError("ERROR: clCreateBuffer(*,CL_MEM_READ_WRITE,%d,NULL,*) failed (%d)\n", (int)size, err);
}
}
#endif
else ReportError("ERROR: invalid memory-type enum: %s\n", memory_type_str);
m_active_handle = 0;
m_tensor = vxCreateTensorFromHandle(context, m_num_of_dims, m_dims, m_data_type, m_fixed_point_pos, m_stride, m_memory_handle[m_active_handle], m_memory_type);
}
else ReportError("ERROR: unsupported tensor type: %s\n", desc);
vx_status ovxStatus = vxGetStatus((vx_reference)m_tensor);
if (ovxStatus != VX_SUCCESS){
printf("ERROR: tensor creation failed => %d (%s)\n", ovxStatus, ovxEnum2Name(ovxStatus));
if (m_tensor) vxReleaseTensor(&m_tensor);
throw - 1;
}
m_vxObjRef = (vx_reference)m_tensor;
// io initialize
return InitializeIO(context, graph, m_vxObjRef, ioParams);
}
static vx_status VX_CALLBACK vxHalfscaleGaussianInitializer(vx_node node, const vx_reference *parameters, vx_uint32 num)
{
vx_status status = VX_ERROR_INVALID_PARAMETERS;
if (num == 3)
{
vx_image input = (vx_image)parameters[0];
vx_image output = (vx_image)parameters[1];
vx_int32 kernel_size = 3;
vx_convolution convolution = 0;
vx_context context = vxGetContext((vx_reference)node);
vx_graph graph = vxCreateGraph(context);
if (vxGetStatus((vx_reference)graph) == VX_SUCCESS)
{
vx_uint32 i;
/* We have a child-graph; we want to make sure the parent
graph is recognized as a valid scope for sake of virtual
image parameters. */
graph->parentGraph = node->graph;
vxReadScalarValue((vx_scalar)parameters[2], &kernel_size);
if (kernel_size == 3 || kernel_size == 5)
{
if (kernel_size == 5)
{
convolution = vxCreateGaussian5x5Convolution(context);
}
if (kernel_size == 3 || convolution)
{
vx_image virt = vxCreateVirtualImage(graph, 0, 0, VX_DF_IMAGE_U8);
vx_node nodes[] = {
kernel_size == 3 ? vxGaussian3x3Node(graph, input, virt) : vxConvolveNode(graph, input, convolution, virt),
vxScaleImageNode(graph, virt, output, VX_INTERPOLATION_TYPE_NEAREST_NEIGHBOR),
};
vx_border_mode_t borders;
vxQueryNode(node, VX_NODE_ATTRIBUTE_BORDER_MODE, &borders, sizeof(borders));
for (i = 0; i < dimof(nodes); i++) {
vxSetNodeAttribute(nodes[i], VX_NODE_ATTRIBUTE_BORDER_MODE, &borders, sizeof(borders));
}
status = VX_SUCCESS;
status |= vxAddParameterToGraphByIndex(graph, nodes[0], 0); /* input image */
status |= vxAddParameterToGraphByIndex(graph, nodes[1], 1); /* output image */
status |= vxAddParameterToGraphByIndex(graph, node, 2); /* gradient size - refer to self to quiet sub-graph validator */
status |= vxVerifyGraph(graph);
/* release our references, the graph will hold it's own */
for (i = 0; i < dimof(nodes); i++) {
vxReleaseNode(&nodes[i]);
}
if (convolution) vxReleaseConvolution(&convolution);
vxReleaseImage(&virt);
status |= vxSetChildGraphOfNode(node, graph);
}
}
vxReleaseGraph(&graph);
}
}
return status;
}
static vx_status VX_CALLBACK vxMinMaxLocOutputValidator(vx_node node, vx_uint32 index, vx_meta_format_t *ptr)
{
vx_status status = VX_ERROR_INVALID_PARAMETERS;
if ((index == 1) || (index == 2))
{
vx_parameter param = vxGetParameterByIndex(node, 0);
if (vxGetStatus((vx_reference)param) == VX_SUCCESS)
{
vx_image input = 0;
vxQueryParameter(param, VX_PARAMETER_REF, &input, sizeof(input));
if (input)
{
vx_df_image format;
vx_enum type = VX_TYPE_INVALID;
vxQueryImage(input, VX_IMAGE_FORMAT, &format, sizeof(format));
switch (format)
{
case VX_DF_IMAGE_U8:
type = VX_TYPE_UINT8;
break;
case VX_DF_IMAGE_U16:
type = VX_TYPE_UINT16;
break;
case VX_DF_IMAGE_U32:
type = VX_TYPE_UINT32;
break;
case VX_DF_IMAGE_S16:
type = VX_TYPE_INT16;
break;
case VX_DF_IMAGE_S32:
type = VX_TYPE_INT32;
break;
default:
type = VX_TYPE_INVALID;
break;
}
if (type != VX_TYPE_INVALID)
{
status = VX_SUCCESS;
ptr->type = VX_TYPE_SCALAR;
ptr->dim.scalar.type = type;
}
else
{
status = VX_ERROR_INVALID_TYPE;
}
vxReleaseImage(&input);
}
vxReleaseParameter(¶m);
}
}
if ((index == 3) || (index == 4))
{
/* nothing to check here */
ptr->dim.array.item_type = VX_TYPE_COORDINATES2D;
ptr->dim.array.capacity = 1;
status = VX_SUCCESS;
}
if ((index == 5) || (index == 6))
{
ptr->dim.scalar.type = VX_TYPE_UINT32;
status = VX_SUCCESS;
}
return status;
}
int main(int argc, char *argv[]) {
vx_status status = VX_FAILURE;
vx_context context = vxCreateContext();
if (argc < 2) {
usage(argv[0]);
goto relCtx;
}
vx_char *srcfilename = argv[1];
printf("src img: %s\n", srcfilename);
FILE *fp = fopen(srcfilename, "r");
if (!fp) {
goto relCtx;
}
char pgmstr[1024];
unsigned int n;
n = fread(pgmstr, 1, sizeof(pgmstr), fp);
if (n != sizeof(pgmstr)) {
goto relClose;
}
const char delim = '\n';
const char *token = NULL;
unsigned int width, height;
// PGM P5 magic string
token = strtok(pgmstr, &delim);
// PGM author
token = strtok(NULL, &delim);
// PGM image size
token = strtok(NULL, &delim);
sscanf(token, "%u %u", &width, &height);
printf("width:%u height:%u\n", width, height);
status = vxGetStatus((vx_reference)context);
if (status != VX_SUCCESS) {
fprintf(stderr, "error: vxCreateContext\n");
goto relClose;
}
vx_rectangle_t rect = {1, 1, width + 1, height + 1};
vx_uint32 i = 0;
vx_image images[] = {
vxCreateImage(context, width + 2, height + 2, VX_DF_IMAGE_U8), // 0:input
vxCreateImageFromROI(images[0], &rect), // 1:ROI input
vxCreateImage(context, width, height, VX_DF_IMAGE_U8), // 2:box
vxCreateImage(context, width, height, VX_DF_IMAGE_U8), // 3:gaussian
vxCreateImage(context, width, height, VX_DF_IMAGE_U8), // 4:alpha
vxCreateImage(context, width, height, VX_DF_IMAGE_S16),// 5:add
};
vx_float32 a = 0.5f;
vx_scalar alpha = vxCreateScalar(context, VX_TYPE_FLOAT32, &a);
status |= vxLoadKernels(context, "openvx-tiling");
status |= vxLoadKernels(context, "openvx-debug");
if (status != VX_SUCCESS) {
fprintf(stderr, "error: vxLoadKernels %d\n", status);
goto relImg;
}
vx_graph graph = vxCreateGraph(context);
status = vxGetStatus((vx_reference)context);
if (status != VX_SUCCESS) {
fprintf(stderr, "error: vxGetStatus\n");
goto relKern;
}
ax_node_t axnodes[] = {
{ vxFReadImageNode(graph, srcfilename, images[1]), "Read" },
{ vxTilingBoxNode(graph, images[1], images[2], 5, 5), "Box" },
{ vxFWriteImageNode(graph, images[2], "ot_box.pgm"), "Write" },
{ vxTilingGaussianNode(graph, images[1], images[3]), "Gaussian" },
{ vxFWriteImageNode(graph, images[3], "ot_gauss.pgm"), "Write" },
{ vxTilingAlphaNode(graph, images[1], alpha, images[4]), "Alpha" },
{ vxFWriteImageNode(graph, images[4], "ot_alpha.pgm"), "Write" },
{ vxTilingAddNode(graph, images[1], images[4], images[5]), "Add" },
{ vxFWriteImageNode(graph, images[5], "ot_add.pgm"), "Write" },
};
for (i = 0; i < dimof(axnodes); i++) {
if (axnodes[i].node == 0) {
fprintf(stderr, "error: Failed to create node[%u]\n", i);
status = VX_ERROR_INVALID_NODE;
goto relNod;
}
}
status = vxVerifyGraph(graph);
if (status != VX_SUCCESS) {
fprintf(stderr, "error: vxVerifyGraph %d\n", status);
goto relNod;
}
status = vxProcessGraph(graph);
if (status != VX_SUCCESS) {
fprintf(stderr, "error: vxProcessGraph %d\n", status);
goto relNod;
}
// perf timings
vx_perf_t perf_node;
vx_perf_t perf_graph;
vxQueryGraph(graph, VX_GRAPH_ATTRIBUTE_PERFORMANCE, &perf_graph, sizeof(perf_graph));
axPrintPerf("Graph", &perf_graph);
for (i = 0; i < dimof(axnodes); ++i) {
vxQueryNode(axnodes[i].node, VX_NODE_ATTRIBUTE_PERFORMANCE, &perf_node, sizeof(perf_node));
axPrintPerf(axnodes[i].name, &perf_node);
}
relNod:
for (i = 0; i < dimof(axnodes); i++) {
vxReleaseNode(&axnodes[i].node);
}
vxReleaseGraph(&graph);
relKern:
relImg:
for (i = 0; i < dimof(images); i++) {
vxReleaseImage(&images[i]);
}
relClose:
fclose(fp);
relCtx:
vxReleaseContext(&context);
printf("%s::main() returns = %d\n", argv[0], status);
return (int)status;
}
static vx_status VX_CALLBACK vxAddSubtractInputValidator(vx_node node, vx_uint32 index)
{
vx_status status = VX_ERROR_INVALID_PARAMETERS;
if (index == 0)
{
vx_image input = 0;
vx_parameter param = vxGetParameterByIndex(node, index);
vxQueryParameter(param, VX_PARAMETER_REF, &input, sizeof(input));
if (input)
{
vx_df_image format = 0;
vxQueryImage(input, VX_IMAGE_FORMAT, &format, sizeof(format));
if (format == VX_DF_IMAGE_U8 || format == VX_DF_IMAGE_S16)
status = VX_SUCCESS;
vxReleaseImage(&input);
}
vxReleaseParameter(¶m);
}
else if (index == 1)
{
vx_image images[2];
vx_parameter param[2] = {
vxGetParameterByIndex(node, 0),
vxGetParameterByIndex(node, 1),
};
vxQueryParameter(param[0], VX_PARAMETER_REF, &images[0], sizeof(images[0]));
vxQueryParameter(param[1], VX_PARAMETER_REF, &images[1], sizeof(images[1]));
if (images[0] && images[1])
{
vx_uint32 width[2], height[2];
vx_df_image format1;
vxQueryImage(images[0], VX_IMAGE_WIDTH, &width[0], sizeof(width[0]));
vxQueryImage(images[1], VX_IMAGE_WIDTH, &width[1], sizeof(width[1]));
vxQueryImage(images[0], VX_IMAGE_HEIGHT, &height[0], sizeof(height[0]));
vxQueryImage(images[1], VX_IMAGE_HEIGHT, &height[1], sizeof(height[1]));
vxQueryImage(images[1], VX_IMAGE_FORMAT, &format1, sizeof(format1));
if (width[0] == width[1] && height[0] == height[1] &&
(format1 == VX_DF_IMAGE_U8 || format1 == VX_DF_IMAGE_S16))
status = VX_SUCCESS;
vxReleaseImage(&images[0]);
vxReleaseImage(&images[1]);
}
vxReleaseParameter(¶m[0]);
vxReleaseParameter(¶m[1]);
}
else if (index == 2) /* overflow_policy: truncate or saturate. */
{
vx_parameter param = vxGetParameterByIndex(node, index);
if (vxGetStatus((vx_reference)param) == VX_SUCCESS)
{
vx_scalar scalar = 0;
vxQueryParameter(param, VX_PARAMETER_REF, &scalar, sizeof(scalar));
if (scalar)
{
vx_enum stype = 0;
vxQueryScalar(scalar, VX_SCALAR_TYPE, &stype, sizeof(stype));
if (stype == VX_TYPE_ENUM)
{
vx_enum overflow_policy = 0;
vxCopyScalar(scalar, &overflow_policy, VX_READ_ONLY, VX_MEMORY_TYPE_HOST);
if ((overflow_policy == VX_CONVERT_POLICY_WRAP) ||
(overflow_policy == VX_CONVERT_POLICY_SATURATE))
{
status = VX_SUCCESS;
}
else
{
status = VX_ERROR_INVALID_VALUE;
}
}
else
{
status = VX_ERROR_INVALID_TYPE;
}
vxReleaseScalar(&scalar);
}
vxReleaseParameter(¶m);
}
}
return status;
}
static vx_status VX_CALLBACK vxAddSubtractOutputValidator(vx_node node, vx_uint32 index, vx_meta_format_t *ptr)
{
vx_status status = VX_ERROR_INVALID_PARAMETERS;
if (index == 3)
{
/*
* We need to look at both input images, but only for the format:
* if either is S16 or the output type is not U8, then it's S16.
* The geometry of the output image is copied from the first parameter:
* the input images are known to match from input parameters validation.
*/
vx_parameter param[] = {
vxGetParameterByIndex(node, 0),
vxGetParameterByIndex(node, 1),
vxGetParameterByIndex(node, index),
};
if ((vxGetStatus((vx_reference)param[0]) == VX_SUCCESS) &&
(vxGetStatus((vx_reference)param[1]) == VX_SUCCESS) &&
(vxGetStatus((vx_reference)param[2]) == VX_SUCCESS))
{
vx_image images[3];
vxQueryParameter(param[0], VX_PARAMETER_REF, &images[0], sizeof(images[0]));
vxQueryParameter(param[1], VX_PARAMETER_REF, &images[1], sizeof(images[1]));
vxQueryParameter(param[2], VX_PARAMETER_REF, &images[2], sizeof(images[2]));
if (images[0] && images[1] && images[2])
{
vx_uint32 width = 0, height = 0;
vx_df_image informat[2] = {VX_DF_IMAGE_VIRT, VX_DF_IMAGE_VIRT};
vx_df_image outformat = VX_DF_IMAGE_VIRT;
/*
* When passing on the geometry to the output image, we only look at
* image 0, as both input images are verified to match, at input
* validation.
*/
vxQueryImage(images[0], VX_IMAGE_WIDTH, &width, sizeof(width));
vxQueryImage(images[0], VX_IMAGE_HEIGHT, &height, sizeof(height));
vxQueryImage(images[0], VX_IMAGE_FORMAT, &informat[0], sizeof(informat[0]));
vxQueryImage(images[1], VX_IMAGE_FORMAT, &informat[1], sizeof(informat[1]));
vxQueryImage(images[2], VX_IMAGE_FORMAT, &outformat, sizeof(outformat));
if (informat[0] == VX_DF_IMAGE_U8 && informat[1] == VX_DF_IMAGE_U8 && outformat == VX_DF_IMAGE_U8)
{
status = VX_SUCCESS;
}
else
{
outformat = VX_DF_IMAGE_S16;
status = VX_SUCCESS;
}
ptr->type = VX_TYPE_IMAGE;
ptr->dim.image.format = outformat;
ptr->dim.image.width = width;
ptr->dim.image.height = height;
vxReleaseImage(&images[0]);
vxReleaseImage(&images[1]);
vxReleaseImage(&images[2]);
}
vxReleaseParameter(¶m[0]);
vxReleaseParameter(¶m[1]);
vxReleaseParameter(¶m[2]);
}
}
return status;
}
int main(int argc, char *argv[])
{
vx_status status = VX_SUCCESS;
vx_context context = vxCreateContext();
if (vxGetStatus((vx_reference)context) == VX_SUCCESS)
{
vx_char implementation[VX_MAX_IMPLEMENTATION_NAME];
vx_char *extensions = NULL;
vx_int32 m, modules = 0;
vx_uint32 k, kernels = 0;
vx_uint32 p, parameters = 0;
vx_uint32 a = 0;
vx_uint16 vendor, version;
vx_size size = 0;
vx_kernel_info_t *table = NULL;
// take each arg as a module name to load
for (m = 1; m < argc; m++)
{
if (vxLoadKernels(context, argv[m]) != VX_SUCCESS)
printf("Failed to load module %s\n", argv[m]);
else
printf("Loaded module %s\n", argv[m]);
}
vxPrintAllLog(context);
vxRegisterHelperAsLogReader(context);
vxQueryContext(context, VX_CONTEXT_VENDOR_ID, &vendor, sizeof(vendor));
vxQueryContext(context, VX_CONTEXT_VERSION, &version, sizeof(version));
vxQueryContext(context, VX_CONTEXT_IMPLEMENTATION, implementation, sizeof(implementation));
vxQueryContext(context, VX_CONTEXT_MODULES, &modules, sizeof(modules));
vxQueryContext(context, VX_CONTEXT_EXTENSIONS_SIZE, &size, sizeof(size));
printf("implementation=%s (%02x:%02x) has %u modules\n", implementation, vendor, version, modules);
extensions = malloc(size);
if (extensions)
{
vx_char *line = extensions, *token = NULL;
vxQueryContext(context, VX_CONTEXT_EXTENSIONS, extensions, size);
do {
token = strtok(line, " ");
if (token)
printf("extension: %s\n", token);
line = NULL;
} while (token);
free(extensions);
}
status = vxQueryContext(context, VX_CONTEXT_UNIQUE_KERNELS, &kernels, sizeof(kernels));
if (status != VX_SUCCESS) goto exit;
printf("There are %u kernels\n", kernels);
size = kernels * sizeof(vx_kernel_info_t);
table = malloc(size);
status = vxQueryContext(context, VX_CONTEXT_UNIQUE_KERNEL_TABLE, table, size);
for (k = 0; k < kernels && table != NULL && status == VX_SUCCESS; k++)
{
vx_kernel kernel = vxGetKernelByEnum(context, table[k].enumeration);
if (kernel && vxGetStatus((vx_reference)kernel) == VX_SUCCESS)
{
status = vxQueryKernel(kernel, VX_KERNEL_PARAMETERS, ¶meters, sizeof(parameters));
printf("\t\tkernel[%u]=%s has %u parameters (%d)\n",
table[k].enumeration,
table[k].name,
parameters,
status);
for (p = 0; p < parameters; p++)
{
vx_parameter parameter = vxGetKernelParameterByIndex(kernel, p);
vx_enum type = VX_TYPE_INVALID, dir = VX_INPUT;
vx_uint32 tIdx, dIdx;
status = VX_SUCCESS;
status |= vxQueryParameter(parameter, VX_PARAMETER_TYPE, &type, sizeof(type));
status |= vxQueryParameter(parameter, VX_PARAMETER_DIRECTION, &dir, sizeof(dir));
for (tIdx = 0; tIdx < dimof(parameter_names); tIdx++)
if (parameter_names[tIdx].tenum == type)
break;
for (dIdx = 0; dIdx < dimof(direction_names); dIdx++)
if (direction_names[dIdx].tenum == dir)
break;
if (status == VX_SUCCESS)
printf("\t\t\tparameter[%u] type:%s dir:%s\n", p,
parameter_names[tIdx].name,
direction_names[dIdx].name);
vxReleaseParameter(¶meter);
}
for (a = 0; a < dimof(attribute_names); a++)
{
switch (attribute_names[a].type)
{
case VX_TYPE_SIZE:
{
vx_size value = 0;
if (VX_SUCCESS == vxQueryKernel(kernel, attribute_names[a].tenum, &value, sizeof(value)))
printf("\t\t\tattribute[%u] %s = "VX_FMT_SIZE"\n",
attribute_names[a].tenum & VX_ATTRIBUTE_ID_MASK,
attribute_names[a].name,
value);
break;
}
case VX_TYPE_UINT32:
{
vx_uint32 value = 0;
if (VX_SUCCESS == vxQueryKernel(kernel, attribute_names[a].tenum, &value, sizeof(value)))
printf("\t\t\tattribute[%u] %s = %u\n",
attribute_names[a].tenum & VX_ATTRIBUTE_ID_MASK,
attribute_names[a].name,
value);
break;
}
default:
break;
}
}
vxReleaseKernel(&kernel);
}
else
{
printf("ERROR: kernel %s is invalid (%d) !\n", table[k].name, status);
}
}
for (m = 1; m < argc; m++)
{
if (vxUnloadKernels(context, argv[m]) != VX_SUCCESS)
printf("Failed to unload module %s\n", argv[m]);
else
printf("Unloaded module %s\n", argv[m]);
}
exit:
if (table) free(table);
vxReleaseContext(&context);
}
return 0;
}
/*! \brief The graph factory example.
* \ingroup group_example
*/
int main(int argc, char *argv[])
{
vx_status status = VX_SUCCESS;
vx_context context = vxCreateContext();
if (vxGetStatus((vx_reference)context) == VX_SUCCESS)
{
vx_image images[] = {
vxCreateImage(context, 640, 480, VX_DF_IMAGE_U8),
vxCreateImage(context, 640, 480, VX_DF_IMAGE_S16),
};
vx_graph graph = vxGraphFactory(context, VX_GRAPH_FACTORY_EDGE);
if (vxGetStatus((vx_reference)graph) == VX_SUCCESS)
{
vx_uint32 p, num = 0;
status |= vxQueryGraph(graph, VX_GRAPH_ATTRIBUTE_NUMPARAMETERS, &num, sizeof(num));
if (status == VX_SUCCESS)
{
printf("There are %u parameters to this graph!\n", num);
for (p = 0; p < num; p++)
{
vx_parameter param = vxGetGraphParameterByIndex(graph, p);
if (param)
{
vx_enum dir = 0;
vx_enum type = 0;
status |= vxQueryParameter(param, VX_PARAMETER_ATTRIBUTE_DIRECTION, &dir, sizeof(dir));
status |= vxQueryParameter(param, VX_PARAMETER_ATTRIBUTE_TYPE, &type, sizeof(type));
printf("graph.parameter[%u] dir:%d type:%08x\n", p, dir, type);
vxReleaseParameter(¶m);
}
else
{
printf("Invalid parameter retrieved from graph!\n");
}
}
status |= vxSetGraphParameterByIndex(graph, 0, (vx_reference)images[0]);
status |= vxSetGraphParameterByIndex(graph, 1, (vx_reference)images[1]);
}
status |= vxVerifyGraph(graph);
if (status == VX_SUCCESS)
{
status = vxProcessGraph(graph);
if (status == VX_SUCCESS)
{
printf("Ran Graph!\n");
}
}
vxReleaseGraph(&graph);
}
else
{
printf("Failed to create graph!\n");
}
vxReleaseContext(&context);
}
else
{
printf("failed to create context!\n");
}
return status;
}