def test_context(self): c = vx.CreateContext() assert vx.GetStatus(vx.reference(c)) == vx.SUCCESS assert vx.QueryReference(vx.reference(c), vx.REF_ATTRIBUTE_TYPE, 'vx_enum') == (vx.SUCCESS, vx.TYPE_CONTEXT) s, v = vx.QueryContext(c, vx.CONTEXT_ATTRIBUTE_VENDOR_ID, 'vx_uint16') assert s == vx.SUCCESS assert isinstance(v, int) s, v = vx.QueryContext(c, vx.CONTEXT_ATTRIBUTE_IMPLEMENTATION, 'vx_char[VX_MAX_IMPLEMENTATION_NAME]', str) assert s == vx.SUCCESS assert isinstance(v, unicode) s = vx.SetContextAttribute(c, vx.CONTEXT_ATTRIBUTE_IMMEDIATE_BORDER_MODE, vx.border_mode_t(vx.BORDER_MODE_CONSTANT, 42)) assert s == vx.SUCCESS s, v = vx.QueryContext(c, vx.CONTEXT_ATTRIBUTE_IMMEDIATE_BORDER_MODE, 'vx_border_mode_t') assert s == vx.SUCCESS assert v.mode == vx.BORDER_MODE_CONSTANT assert v.constant_value == 42 vx.Hint(vx.reference(c), vx.HINT_SERIALIZE) vx.Directive(vx.reference(c), vx.DIRECTIVE_DISABLE_LOGGING) assert vx.GetContext(vx.reference(c)) == c vx.RegisterUserStruct(c, 42) assert vx.ReleaseContext(c) == vx.SUCCESS
def test_parameter(self): c = vx.CreateContext() g = vx.CreateGraph(c) img = vx.CreateImage(c, 640, 480, vx.DF_IMAGE_U8) dx = vx.CreateImage(c, 640, 480, vx.DF_IMAGE_S16) dy = vx.CreateImage(c, 640, 480, vx.DF_IMAGE_S16) node = vx.Sobel3x3Node(g, img, dx, dy) param = vx.GetParameterByIndex(node, 0) assert vx.GetStatus(vx.reference(param)) == vx.SUCCESS assert vx.QueryReference(vx.reference(param), vx.REF_ATTRIBUTE_TYPE, 'vx_enum') == (vx.SUCCESS, vx.TYPE_PARAMETER) s, v = vx.QueryParameter(param, vx.PARAMETER_ATTRIBUTE_REF, "vx_reference") assert s == vx.SUCCESS assert v == img assert vx.SetParameterByIndex(node, 0, vx.reference(dx)) == vx.SUCCESS s, v = vx.QueryParameter(param, vx.PARAMETER_ATTRIBUTE_REF, "vx_reference") assert s == vx.SUCCESS assert v == dx assert vx.SetParameterByReference(param, vx.reference(dy)) == vx.SUCCESS s, v = vx.QueryParameter(param, vx.PARAMETER_ATTRIBUTE_REF, "vx_reference") assert s == vx.SUCCESS assert v == dy assert vx.ReleaseParameter(param) == vx.SUCCESS assert vx.ReleaseContext(c) == vx.SUCCESS
def test_module(self): c = vx.CreateContext() assert vx.LoadKernels(c, "test.module") == vx.SUCCESS kernel = vx.GetKernelByName(c, b"org.test.module") assert vx.GetStatus(vx.reference(kernel)) == vx.SUCCESS assert vx.QueryKernel(kernel, vx.KERNEL_ATTRIBUTE_PARAMETERS, 'vx_uint32') == (vx.SUCCESS, 1) assert vx.ReleaseContext(c) == vx.SUCCESS
def test_sobel(self): c = vx.CreateContext() img = vx.CreateImage(c, 640, 480, vx.DF_IMAGE_U8) dx = vx.CreateImage(c, 640, 480, vx.DF_IMAGE_S16) dy = vx.CreateImage(c, 640, 480, vx.DF_IMAGE_S16) assert vxu.Sobel3x3(c, img, dx, dy) == vx.SUCCESS # FIXME: assert something assert vx.ReleaseContext(c) == vx.SUCCESS
def test_remap(self): c = vx.CreateContext() remap = vx.CreateRemap(c, 640, 480, 320, 240) assert vx.GetStatus(vx.reference(remap)) == vx.SUCCESS assert vx.QueryReference(vx.reference(remap), vx.REF_ATTRIBUTE_TYPE, 'vx_enum') == (vx.SUCCESS, vx.TYPE_REMAP) assert vx.QueryRemap(remap, vx.REMAP_ATTRIBUTE_DESTINATION_HEIGHT, 'vx_uint32') == (vx.SUCCESS, 240) assert vx.SetRemapPoint(remap, 10, 15, 20.5, 30.5) == vx.SUCCESS assert vx.GetRemapPoint(remap, 10, 15) == (vx.SUCCESS, 20.5, 30.5) assert vx.ReleaseRemap(remap) == vx.SUCCESS assert vx.ReleaseContext(c) == vx.SUCCESS
def test_threshold(self): c = vx.CreateContext() threshold = vx.CreateThreshold(c, vx.THRESHOLD_TYPE_BINARY, vx.TYPE_UINT8) assert vx.GetStatus(vx.reference(threshold)) == vx.SUCCESS assert vx.QueryReference(vx.reference(threshold), vx.REF_ATTRIBUTE_TYPE, 'vx_enum') == (vx.SUCCESS, vx.TYPE_THRESHOLD) assert vx.QueryThreshold(threshold, vx.THRESHOLD_ATTRIBUTE_TYPE, 'vx_enum') == (vx.SUCCESS, vx.THRESHOLD_TYPE_BINARY) assert vx.SetThresholdAttribute(threshold, vx.THRESHOLD_ATTRIBUTE_THRESHOLD_VALUE, 7, 'vx_int32') == vx.SUCCESS assert vx.QueryThreshold(threshold, vx.THRESHOLD_ATTRIBUTE_THRESHOLD_VALUE, 'vx_int32') == (vx.SUCCESS, 7) assert vx.ReleaseThreshold(threshold) == vx.SUCCESS assert vx.ReleaseContext(c) == vx.SUCCESS
def test_log(self): c = vx.CreateContext() def callback(context, ref, status, string): assert status == vx.FAILURE assert string == b"Test" callback.called = True vx.RegisterLogCallback(c, callback, vx.false_e) vx.AddLogEntry(vx.reference(c), vx.FAILURE, b"Test") assert callback.called assert vx.ReleaseContext(c) == vx.SUCCESS
def test_scalar(self): c = vx.CreateContext() scalar = vx.CreateScalar(c, vx.TYPE_INT16, 7) assert vx.GetStatus(vx.reference(scalar)) == vx.SUCCESS assert vx.QueryReference(vx.reference(scalar), vx.REF_ATTRIBUTE_TYPE, 'vx_enum') == (vx.SUCCESS, vx.TYPE_SCALAR) assert vx.QueryScalar(scalar, vx.SCALAR_ATTRIBUTE_TYPE, "vx_enum") == (vx.SUCCESS, vx.TYPE_INT16) assert vx.ReadScalarValue(scalar) == (vx.SUCCESS, 7) assert vx.WriteScalarValue(scalar, 42) == vx.SUCCESS assert vx.ReadScalarValue(scalar) == (vx.SUCCESS, 42) assert vx.ReleaseScalar(scalar) == vx.SUCCESS assert vx.ReleaseContext(c) == vx.SUCCESS
def test_sobel(self): c = vx.CreateContext() img = vx.CreateImage(c, 640, 480, vx.DF_IMAGE_U8) dx = vx.CreateImage(c, 640, 480, vx.DF_IMAGE_S16) dy = vx.CreateImage(c, 640, 480, vx.DF_IMAGE_S16) g = vx.CreateGraph(c) node = vx.Sobel3x3Node(g, img, dx, dy) assert vx.GetStatus(vx.reference(node)) == vx.SUCCESS assert vx.VerifyGraph(g) == vx.SUCCESS assert vx.ProcessGraph(g) == vx.SUCCESS # FIXME: assert something assert vx.ReleaseContext(c) == vx.SUCCESS
def test_graph(self): c = vx.CreateContext() g = vx.CreateGraph(c) assert vx.GetStatus(vx.reference(g)) == vx.SUCCESS assert vx.QueryReference(vx.reference(g), vx.REF_ATTRIBUTE_TYPE, 'vx_enum') == (vx.SUCCESS, vx.TYPE_GRAPH) assert vx.IsGraphVerified(g) == vx.false_e assert vx.QueryGraph(g, vx.GRAPH_ATTRIBUTE_NUMNODES, 'vx_uint32') == (vx.SUCCESS, 0) img = vx.CreateImage(c, 640, 480, vx.DF_IMAGE_U8) dx = vx.CreateImage(c, 640, 480, vx.DF_IMAGE_S16) dy = vx.CreateImage(c, 640, 480, vx.DF_IMAGE_S16) node = vx.Sobel3x3Node(g, img, dx, dy) assert vx.VerifyGraph(g) == vx.SUCCESS assert vx.ProcessGraph(g) == vx.SUCCESS assert vx.ScheduleGraph(g) == vx.SUCCESS assert vx.WaitGraph(g) == vx.SUCCESS p = vx.GetParameterByIndex(node, 0) assert vx.AddParameterToGraph(g, p) == vx.SUCCESS p2 = vx.GetGraphParameterByIndex(g, 0) assert vx.SetGraphParameterByIndex(g, 0, vx.reference(dx)) == vx.SUCCESS assert vx.VerifyGraph(g) != vx.SUCCESS assert vx.SetGraphParameterByIndex(g, 0, vx.reference(img)) == vx.SUCCESS assert vx.VerifyGraph(g) == vx.SUCCESS assert vx.IsGraphVerified(g) == vx.true_e def callback(node): callback.called = True return vx.SUCCESS assert vx.AssignNodeCallback(node, callback) == vx.SUCCESS assert vx.ProcessGraph(g) == vx.SUCCESS assert callback.called def callback(node): raise TypeError('Escaping from callback') return vx.SUCCESS assert vx.AssignNodeCallback(node, callback) != vx.SUCCESS assert vx.AssignNodeCallback(node, None) == vx.SUCCESS assert vx.AssignNodeCallback(node, callback) == vx.SUCCESS assert vx.VerifyGraph(g) == vx.SUCCESS assert vx.ProcessGraph(g) != vx.SUCCESS img = vx.CreateVirtualImage(g, 640, 480, vx.DF_IMAGE_RGB) assert vx.GetStatus(vx.reference(img)) == vx.SUCCESS assert vx.ReleaseGraph(g) == vx.SUCCESS assert vx.ReleaseContext(c) == vx.SUCCESS
def test_matrix(self): c = vx.CreateContext() matrix = vx.CreateMatrix(c, vx.TYPE_INT32, 3, 3) assert vx.GetStatus(vx.reference(matrix)) == vx.SUCCESS assert vx.QueryReference(vx.reference(matrix), vx.REF_ATTRIBUTE_TYPE, 'vx_enum') == (vx.SUCCESS, vx.TYPE_MATRIX) assert vx.QueryMatrix(matrix, vx.MATRIX_ATTRIBUTE_COLUMNS, 'vx_size') == (vx.SUCCESS, 3) data = array('i', [42]) * 9 assert vx.WriteMatrix(matrix, data) == vx.SUCCESS data = array('i', [0]) * 9 assert vx.ReadMatrix(matrix, data) == vx.SUCCESS assert data[0] == 42 assert vx.ReleaseMatrix(matrix) == vx.SUCCESS assert vx.ReleaseContext(c) == vx.SUCCESS
def test_pyramid(self): c = vx.CreateContext() pyramid = vx.CreatePyramid(c, 4, vx.SCALE_PYRAMID_HALF, 640, 480, vx.DF_IMAGE_U8) assert vx.GetStatus(vx.reference(pyramid)) == vx.SUCCESS assert vx.QueryReference(vx.reference(pyramid), vx.REF_ATTRIBUTE_TYPE, 'vx_enum') == (vx.SUCCESS, vx.TYPE_PYRAMID) assert vx.QueryPyramid(pyramid, vx.PYRAMID_ATTRIBUTE_WIDTH, 'vx_uint32') == (vx.SUCCESS, 640) img = vx.GetPyramidLevel(pyramid, 1) assert img assert vx.QueryImage(img, vx.IMAGE_ATTRIBUTE_WIDTH, 'vx_uint32') == (vx.SUCCESS, 320) g = vx.CreateGraph(c) p = vx.CreateVirtualPyramid(g, 3, vx.SCALE_PYRAMID_HALF, 0, 0, vx.DF_IMAGE_VIRT) assert vx.ReleasePyramid(p) == vx.SUCCESS assert vx.ReleasePyramid(pyramid) == vx.SUCCESS assert vx.ReleaseContext(c) == vx.SUCCESS
def test_kernel(self): c = vx.CreateContext() kernel = vx.GetKernelByName(c, b"org.khronos.openvx.sobel_3x3") assert vx.GetStatus(vx.reference(kernel)) == vx.SUCCESS assert vx.QueryReference(vx.reference(kernel), vx.REF_ATTRIBUTE_TYPE, 'vx_enum') == (vx.SUCCESS, vx.TYPE_KERNEL) k = vx.GetKernelByEnum(c, vx.KERNEL_SOBEL_3x3) assert kernel == k s, i = vx.QueryKernel(kernel, vx.KERNEL_ATTRIBUTE_ENUM, 'vx_enum') assert i == vx.KERNEL_SOBEL_3x3 vx.ReleaseKernel(k) param = vx.GetKernelParameterByIndex(kernel, 0) assert vx.GetStatus(vx.reference(param)) == vx.SUCCESS assert vx.LoadKernels(c, "openvx-extras") == vx.SUCCESS k = vx.GetKernelByName(c, b"org.khronos.extra.edge_trace") assert vx.GetStatus(vx.reference(k)) == vx.SUCCESS assert vx.ReleaseContext(c) == vx.SUCCESS
def test_convolution(self): c = vx.CreateContext() convolution = vx.CreateConvolution(c, 3, 3) assert vx.GetStatus(vx.reference(convolution)) == vx.SUCCESS assert vx.QueryReference(vx.reference(convolution), vx.REF_ATTRIBUTE_TYPE, 'vx_enum') == (vx.SUCCESS, vx.TYPE_CONVOLUTION) assert vx.QueryConvolution(convolution, vx.CONVOLUTION_ATTRIBUTE_ROWS, 'vx_size') == (vx.SUCCESS, 3) data = array('i', [42]) * 9 assert vx.WriteConvolutionCoefficients(convolution, data) == vx.SUCCESS data = array('i', [0]) * 9 assert vx.ReadConvolutionCoefficients(convolution, data) == vx.SUCCESS assert data[0] == 42 assert vx.SetConvolutionAttribute(convolution, vx.CONVOLUTION_ATTRIBUTE_SCALE, 8, 'vx_uint32') == vx.SUCCESS assert vx.QueryConvolution(convolution, vx.CONVOLUTION_ATTRIBUTE_SCALE, 'vx_uint32') == (vx.SUCCESS, 8) assert vx.ReleaseConvolution(convolution) == vx.SUCCESS assert vx.ReleaseContext(c) == vx.SUCCESS
def test_lut(self): c = vx.CreateContext() lut = vx.CreateLUT(c, vx.TYPE_UINT8, 256) assert vx.GetStatus(vx.reference(lut)) == vx.SUCCESS assert vx.QueryReference(vx.reference(lut), vx.REF_ATTRIBUTE_TYPE, 'vx_enum') == (vx.SUCCESS, vx.TYPE_LUT) assert vx.QueryLUT(lut, vx.LUT_ATTRIBUTE_COUNT, 'vx_size') == (vx.SUCCESS, 256) s, data = vx.AccessLUT(lut, None, vx.READ_AND_WRITE) assert s == vx.SUCCESS data[1] = b'H' assert vx.CommitLUT(lut, data) == vx.SUCCESS s, data = vx.AccessLUT(lut, None, vx.READ_ONLY) assert data[1] == b'H' assert vx.CommitLUT(lut, data) == vx.SUCCESS data = array('B', [0]) * 256 vx.AccessLUT(lut, data, vx.READ_ONLY) assert data[1] == ord('H') assert vx.CommitLUT(lut, data) == vx.SUCCESS assert vx.ReleaseLUT(lut) == vx.SUCCESS assert vx.ReleaseContext(c) == vx.SUCCESS
def test_distribution(self): c = vx.CreateContext() distribution = vx.CreateDistribution(c, 8, 0, 16) assert vx.GetStatus(vx.reference(distribution)) == vx.SUCCESS assert vx.QueryReference(vx.reference(distribution), vx.REF_ATTRIBUTE_TYPE, 'vx_enum') == (vx.SUCCESS, vx.TYPE_DISTRIBUTION) assert vx.QueryDistribution(distribution, vx.DISTRIBUTION_ATTRIBUTE_BINS, 'vx_size') == (vx.SUCCESS, 8) s, data = vx.AccessDistribution(distribution, None, vx.READ_AND_WRITE) assert s == vx.SUCCESS data[:4] = b'HHHH' assert vx.CommitDistribution(distribution, data) == vx.SUCCESS s, data = vx.AccessDistribution(distribution, None, vx.READ_ONLY) assert data[:4] == b'HHHH' assert vx.CommitDistribution(distribution, data) == vx.SUCCESS data = array('I', [0]) * 256 vx.AccessDistribution(distribution, data, vx.READ_ONLY) assert data[0] == sum(ord('H') * i for i in [2**24 + 2**16 + 2**8 + 1]) assert vx.CommitDistribution(distribution, data) == vx.SUCCESS assert vx.ReleaseDistribution(distribution) == vx.SUCCESS assert vx.ReleaseContext(c) == vx.SUCCESS
def test_array(self): c = vx.CreateContext() arr = vx.CreateArray(c, vx.TYPE_COORDINATES2D, 64) assert vx.GetStatus(vx.reference(arr)) == vx.SUCCESS assert vx.QueryReference(vx.reference(arr), vx.REF_ATTRIBUTE_TYPE, 'vx_enum') == (vx.SUCCESS, vx.TYPE_ARRAY) assert vx.QueryArray(arr, vx.ARRAY_ATTRIBUTE_CAPACITY, 'vx_size') == (vx.SUCCESS, 64) s, size = vx.QueryArray(arr, vx.ARRAY_ATTRIBUTE_ITEMSIZE, 'vx_size') data = array('B', [0]) * size * 10 d = vx.ArrayItem('vx_coordinates2d_t', data, 0, size) d.x, d.y, d[1].x, d[1].y = 1, 2, 3, 4 assert vx.AddArrayItems(arr, 10, data, size) == vx.SUCCESS assert vx.AddArrayItems(arr, 10, d, size) == vx.SUCCESS assert vx.QueryArray(arr, vx.ARRAY_ATTRIBUTE_NUMITEMS, 'vx_size') == (vx.SUCCESS, 20) assert vx.TruncateArray(arr, 15) == vx.SUCCESS assert vx.QueryArray(arr, vx.ARRAY_ATTRIBUTE_NUMITEMS, 'vx_size') == (vx.SUCCESS, 15) status, stride, ptr = vx.AccessArrayRange(arr, 0, 14, None, None, vx.READ_AND_WRITE) assert status == vx.SUCCESS d0 = vx.ArrayItem('vx_coordinates2d_t', ptr, 0, stride) d1 = vx.ArrayItem('vx_coordinates2d_t', ptr, 1, stride) assert (d0.x, d0.y, d1.x, d1.y) == (1, 2, 3, 4) d1.y = 42 assert vx.CommitArrayRange(arr, 0, 14, ptr) == vx.SUCCESS data = array('B', [0]) * size * 15 * 2 status, stride, ptr = vx.AccessArrayRange(arr, 0, 14, size*2, data, vx.READ_AND_WRITE) assert stride == size*2 d = vx.ArrayItem('vx_coordinates2d_t', data, 0, size) assert (d.x, d.y, d[2].x, d[2].y) == (1, 2, 3, 42) assert vx.CommitArrayRange(arr, 0, 14, ptr) == vx.SUCCESS g = vx.CreateGraph(c) a = vx.CreateVirtualArray(g, vx.TYPE_KEYPOINT, 64) assert vx.ReleaseArray(a) == vx.SUCCESS assert vx.ReleaseArray(arr) == vx.SUCCESS assert vx.ReleaseContext(c) == vx.SUCCESS
def test_node(self): c = vx.CreateContext() g = vx.CreateGraph(c) k = vx.GetKernelByEnum(c, vx.KERNEL_SOBEL_3x3) assert vx.GetStatus(vx.reference(k)) == vx.SUCCESS node = vx.CreateGenericNode(g, k) assert vx.GetStatus(vx.reference(node)) == vx.SUCCESS assert vx.QueryReference(vx.reference(node), vx.REF_ATTRIBUTE_TYPE, 'vx_enum') == (vx.SUCCESS, vx.TYPE_NODE) s = vx.SetNodeAttribute(node, vx.NODE_ATTRIBUTE_BORDER_MODE, vx.border_mode_t(vx.BORDER_MODE_CONSTANT, 42)) assert s == vx.SUCCESS s, v = vx.QueryNode(node, vx.NODE_ATTRIBUTE_BORDER_MODE, 'vx_border_mode_t') assert v.mode == vx.BORDER_MODE_CONSTANT assert v.constant_value == 42 assert vx.ReleaseNode(node) == vx.SUCCESS node = vx.CreateGenericNode(g, k) assert vx.RemoveNode(node) == vx.SUCCESS assert vx.ReleaseGraph(g) == vx.SUCCESS assert vx.ReleaseContext(c) == vx.SUCCESS
def test_delay(self): c = vx.CreateContext() img = vx.CreateImage(c, 640, 480, vx.DF_IMAGE_RGB) delay = vx.CreateDelay(c, vx.reference(img), 3) assert vx.GetStatus(vx.reference(delay)) == vx.SUCCESS assert vx.QueryReference(vx.reference(delay), vx.REF_ATTRIBUTE_TYPE, 'vx_enum') == (vx.SUCCESS, vx.TYPE_DELAY) assert vx.QueryDelay(delay, vx.DELAY_ATTRIBUTE_SLOTS, 'vx_size') == (vx.SUCCESS, 3) ref0 = vx.GetReferenceFromDelay(delay, 0) ref1 = vx.GetReferenceFromDelay(delay, 1) ref2 = vx.GetReferenceFromDelay(delay, 2) g = vx.CreateGraph(c) node = vx.Sobel3x3Node(g, vx.from_reference(ref0), vx.from_reference(ref1), vx.from_reference(ref2)) param = vx.GetParameterByIndex(node, 1) s, v = vx.QueryParameter(param, vx.PARAMETER_ATTRIBUTE_REF, "vx_reference") assert s == vx.SUCCESS assert v == ref1 assert vx.AgeDelay(delay) == vx.SUCCESS s, v = vx.QueryParameter(param, vx.PARAMETER_ATTRIBUTE_REF, "vx_reference") assert s == vx.SUCCESS assert v == ref0 assert vx.ReleaseDelay(delay) == vx.SUCCESS assert vx.ReleaseContext(c) == vx.SUCCESS
def __del__(self): vx.ReleaseContext(self.cdata)
def test_user_kernel(self): c = vx.CreateContext() def func(node, parameters, num): func.called = True assert num == 2 input, output = vx.from_reference(parameters[0]), vx.from_reference(parameters[0]) _, r = vx.GetValidRegionImage(input) _, addr, indata = vx.AccessImagePatch(input, r, 0, None, None, vx.READ_ONLY) _, addr, outdata = vx.AccessImagePatch(output, r, 0, None, None, vx.WRITE_ONLY) outdata[0], outdata[100] = indata[100], indata[0] vx.CommitImagePatch(output, r, 0, addr, outdata) vx.CommitImagePatch(input, r, 0, addr, indata) return vx.SUCCESS def validate_input(node, index): validate_input.called = True assert index == 0 param = vx.GetParameterByIndex(node, index) image = vx.QueryParameter(param, vx.PARAMETER_ATTRIBUTE_REF, 'vx_image')[1] if vx.QueryImage(image, vx.IMAGE_ATTRIBUTE_FORMAT, 'vx_df_image') == (vx.SUCCESS, vx.DF_IMAGE_U8): s = vx.SUCCESS else: s = vx.ERROR_INVALID_VALUE vx.ReleaseImage(image) vx.ReleaseParameter(param) return s def validate_output(node, index, meta): validate_output.called = True assert index == 1 param0 = vx.GetParameterByIndex(node, 0) input = vx.QueryParameter(param0, vx.PARAMETER_ATTRIBUTE_REF, 'vx_image')[1] param1 = vx.GetParameterByIndex(node, index) output = vx.QueryParameter(param1, vx.PARAMETER_ATTRIBUTE_REF, 'vx_image')[1] _, width = vx.QueryImage(input, vx.IMAGE_ATTRIBUTE_WIDTH, 'vx_uint32') _, height = vx.QueryImage(input, vx.IMAGE_ATTRIBUTE_HEIGHT, 'vx_uint32') vx.SetMetaFormatAttribute(meta, vx.IMAGE_ATTRIBUTE_WIDTH, width, 'vx_uint32') vx.SetMetaFormatAttribute(meta, vx.IMAGE_ATTRIBUTE_HEIGHT, height, 'vx_uint32') vx.SetMetaFormatAttribute(meta, vx.IMAGE_ATTRIBUTE_FORMAT, vx.DF_IMAGE_U8, 'vx_df_image') vx.ReleaseImage(input) vx.ReleaseImage(output) vx.ReleaseParameter(param0) vx.ReleaseParameter(param1) return vx.SUCCESS enum = vx.KERNEL_BASE(vx.ID_DEFAULT, 7) + 1 kernel = vx.AddKernel(c, b"org.test.hello", enum, func, 2, validate_input, validate_output, None, None) assert vx.GetStatus(vx.reference(kernel)) == vx.SUCCESS assert vx.AddParameterToKernel(kernel, 0, vx.INPUT, vx.TYPE_IMAGE, vx.PARAMETER_STATE_REQUIRED) == vx.SUCCESS assert vx.AddParameterToKernel(kernel, 1, vx.OUTPUT, vx.TYPE_IMAGE, vx.PARAMETER_STATE_REQUIRED) == vx.SUCCESS assert vx.SetKernelAttribute(kernel, vx.KERNEL_ATTRIBUTE_LOCAL_DATA_SIZE, 42, 'vx_size') == vx.SUCCESS assert vx.FinalizeKernel(kernel) == vx.SUCCESS g = vx.CreateGraph(c) img = vx.CreateImage(c, 640, 480, vx.DF_IMAGE_U8) _, r = vx.GetValidRegionImage(img) assert r.start_x == 0 assert r.end_x == 640 _, addr, data = vx.AccessImagePatch(img, r, 0, None, None, vx.WRITE_ONLY) data[0], data[100] = b'H', b'I' assert vx.CommitImagePatch(img, r, 0, addr, data) == vx.SUCCESS virt = vx.CreateVirtualImage(g, 0, 0, vx.DF_IMAGE_VIRT) # virt = vx.CreateImage(c, 640, 480, vx.DF_IMAGE_U8) node = vx.CreateGenericNode(g, kernel) vx.SetParameterByIndex(node, 0, vx.reference(img)) vx.SetParameterByIndex(node, 1, vx.reference(virt)) assert vx.VerifyGraph(g) == vx.SUCCESS assert validate_input.called assert validate_output.called assert vx.QueryImage(virt, vx.IMAGE_ATTRIBUTE_WIDTH, 'vx_uint32') == (vx.SUCCESS, 640) assert vx.QueryImage(virt, vx.IMAGE_ATTRIBUTE_HEIGHT, 'vx_uint32') == (vx.SUCCESS, 480) assert vx.ProcessGraph(g) == vx.SUCCESS assert func.called == True _, addr, data = vx.AccessImagePatch(virt, r, 0, None, None, vx.READ_ONLY) assert data[0], data[100] == 'IH' vx.CommitImagePatch(virt, r, 0, addr, data) img2 = vx.CreateImage(c, 640, 480, vx.DF_IMAGE_U16) vx.SetParameterByIndex(node, 0, vx.reference(img2)) assert vx.VerifyGraph(g) == vx.ERROR_INVALID_VALUE enum = vx.KERNEL_BASE(vx.ID_DEFAULT, 7) + 2 kernel = vx.AddKernel(c, b"org.test.hello2", enum, func, 2, validate_input, validate_output, None, None) assert vx.RemoveKernel(kernel) == vx.SUCCESS assert vx.ReleaseGraph(g) == vx.SUCCESS assert vx.ReleaseContext(c) == vx.SUCCESS
def test_image(self): c = vx.CreateContext() img = vx.CreateImage(c, 640, 480, vx.DF_IMAGE_RGB) assert vx.GetStatus(vx.reference(img)) == vx.SUCCESS assert vx.QueryReference(vx.reference(img), vx.REF_ATTRIBUTE_TYPE, 'vx_enum') == (vx.SUCCESS, vx.TYPE_IMAGE) roi = vx.CreateImageFromROI(img, vx.rectangle_t(10, 10, 100, 100)) assert vx.GetStatus(vx.reference(roi)) == vx.SUCCESS assert vx.ReleaseImage(roi) == vx.SUCCESS roi = None const = vx.CreateUniformImage(c, 640, 480, vx.DF_IMAGE_S16, 7, 'vx_int16') assert vx.GetStatus(vx.reference(const)) == vx.SUCCESS const = vx.CreateUniformImage(c, 640, 480, vx.DF_IMAGE_RGB, (7, 8, 9), 'vx_uint8[]') assert vx.GetStatus(vx.reference(const)) == vx.SUCCESS addr = vx.imagepatch_addressing_t(640, 480, 1, 640, vx.SCALE_UNITY, vx.SCALE_UNITY, 1, 1) data = array('B', [0x42]) * (640 * 480) hand = vx.CreateImageFromHandle(c, vx.DF_IMAGE_U8, (addr,), (data,), vx.IMPORT_TYPE_HOST) assert vx.GetStatus(vx.reference(hand)) == vx.SUCCESS hand = vx.CreateImageFromHandle(c, vx.DF_IMAGE_U8, addr, data, vx.IMPORT_TYPE_HOST) assert vx.GetStatus(vx.reference(hand)) == vx.SUCCESS hand = vx.CreateImageFromHandle(c, vx.DF_IMAGE_RGB, (addr, addr, addr), (data, data, data), vx.IMPORT_TYPE_HOST) assert vx.GetStatus(vx.reference(hand)) == vx.SUCCESS assert vx.QueryImage(img, vx.IMAGE_ATTRIBUTE_WIDTH, 'vx_uint32') == (vx.SUCCESS, 640) assert vx.SetImageAttribute(img, vx.IMAGE_ATTRIBUTE_SPACE, vx.COLOR_SPACE_BT601_525, 'vx_enum') == vx.SUCCESS assert vx.QueryImage(img, vx.IMAGE_ATTRIBUTE_SPACE, 'vx_enum') == (vx.SUCCESS, vx.COLOR_SPACE_BT601_525) assert vx.GetContext(vx.reference(img)) == c r = vx.rectangle_t(10, 20, 30, 40) s = vx.ComputeImagePatchSize(img, r, 0) status, addr, ptr = vx.AccessImagePatch(img, r, 0, None, None, vx.READ_AND_WRITE) assert status == vx.SUCCESS assert addr.dim_x == addr.dim_y == 20 ptr[0] = b'H' assert vx.CommitImagePatch(img, r, 0, addr, ptr) == vx.SUCCESS status, addr, ptr = vx.AccessImagePatch(img, r, 0, None, None, vx.READ_AND_WRITE) assert status == vx.SUCCESS assert ptr[0] == b'H' pixel = vx.FormatImagePatchAddress1d(ptr, 0, addr) assert pixel[0] == b'H' assert vx.CommitImagePatch(img, r, 0, addr, ptr) == vx.SUCCESS assert 7 not in data addr = vx.imagepatch_addressing_t(20, 20, 1, 20, vx.SCALE_UNITY, vx.SCALE_UNITY, 1, 1) rdata = array('B', [0]) * (20 * 20) status, addr, ptr = vx.AccessImagePatch(hand, r, 0, addr, rdata, vx.READ_AND_WRITE) assert rdata[1] == 0x42 rdata[1] = 7 pixel = vx.FormatImagePatchAddress1d(ptr, 1, addr) assert pixel[0] == b'\x07' pixel = vx.FormatImagePatchAddress2d(ptr, 0, 0, addr) assert pixel[0] == b'\x42' assert vx.CommitImagePatch(hand, r, 0, addr, ptr) == vx.SUCCESS assert data[11 + 20*640] == 7 status, r = vx.GetValidRegionImage(const) assert status == vx.SUCCESS assert r.end_x == 640 assert r.end_y == 480 assert vx.ReleaseContext(c) == vx.SUCCESS
from pyvx import vx context = vx.CreateContext() images = [ vx.CreateImage(context, 640, 480, vx.DF_IMAGE_UYVY), vx.CreateImage(context, 640, 480, vx.DF_IMAGE_S16), vx.CreateImage(context, 640, 480, vx.DF_IMAGE_U8), ] graph = vx.CreateGraph(context) virts = [ vx.CreateVirtualImage(graph, 0, 0, vx.DF_IMAGE_VIRT), vx.CreateVirtualImage(graph, 0, 0, vx.DF_IMAGE_VIRT), vx.CreateVirtualImage(graph, 0, 0, vx.DF_IMAGE_VIRT), vx.CreateVirtualImage(graph, 0, 0, vx.DF_IMAGE_VIRT), ] vx.ChannelExtractNode(graph, images[0], vx.CHANNEL_Y, virts[0]) vx.Gaussian3x3Node(graph, virts[0], virts[1]) vx.Sobel3x3Node(graph, virts[1], virts[2], virts[3]) vx.MagnitudeNode(graph, virts[2], virts[3], images[1]) vx.PhaseNode(graph, virts[2], virts[3], images[2]) status = vx.VerifyGraph(graph) if status == vx.SUCCESS: status = vx.ProcessGraph(graph) else: print("Verification failed.") vx.ReleaseContext(context)
def release_context(self): try: vx.ReleaseContext(self.vx_context) except: pass