def test_opencv_frame():
# Create InferServer
infer_server = cnis.InferServer(dev_id=0)
session_desc = cnis.SessionDesc()
session_desc.name = "test_session"
session_desc.model = infer_server.load_model(utils.model_dir)
# Set OpencvPreproc
session_desc.preproc = cnis.PreprocessorHost()
session_desc.set_preproc_func(cnis.OpencvPreproc(dst_fmt=cnis.VideoPixelFmt.BGRA, keep_aspect_ratio=False).execute)
session_desc.show_perf = False
# create synchronous session
session = infer_server.create_sync_session(session_desc)
# Request opencv frame
input_pak = prepare_input()
output = cnis.Package(1, utils.tag)
status = cnis.Status.SUCCESS
assert infer_server.request_sync(session, input_pak, status, output)
assert status == cnis.Status.SUCCESS
# Request opencv frame with roi
input_pak = prepare_input()
cv_frame = input_pak.data[0].get_cv_frame()
cv_frame.roi = cnis.BoundingBox(x=0, y=0, w=0.5, h=0.5)
output = cnis.Package(1, utils.tag)
status = cnis.Status.SUCCESS
assert infer_server.request_sync(session, input_pak, status, output)
assert status == cnis.Status.SUCCESS
# Destroy session
assert infer_server.destroy_session(session)
def test_python_preprocess():
"""Test custom preprocess function (written in python)"""
# Create InferServer
infer_server = cnis.InferServer(dev_id=0)
session_desc = cnis.SessionDesc()
session_desc.name = "test_session"
# Load model
session_desc.model = infer_server.load_model(utils.model_dir)
# Create PreprocessorHost and set custom preprocess function to description
session_desc.preproc = cnis.PreprocessorHost()
custom_python_preproc = CustomPreprocess()
session_desc.set_preproc_func(custom_python_preproc.execute)
session_desc.show_perf = False
# Create synchronous session
session = infer_server.create_sync_session(session_desc)
# Create a package
input_pak = cnis.Package(1, utils.tag)
output = cnis.Package(1, utils.tag)
status = cnis.Status.SUCCESS
# Request
assert infer_server.request_sync(session, input_pak, status, output)
assert status == cnis.Status.SUCCESS
assert custom_python_preproc.called
# Destroy session
assert infer_server.destroy_session(session)
def test_video_infer_server_request_sync():
# Create VideoInferServer object
infer_server = cnis.VideoInferServer(dev_id=0)
session_desc = cnis.SessionDesc()
session_desc.name = "test_session"
# Load model
session_desc.model = infer_server.load_model(utils.model_dir)
# Create VideoPreprocessorMLU and set parameters. Use CNCV preproc.
session_desc.preproc = cnis.VideoPreprocessorMLU()
if cnis.get_device_core_version(dev_id=0) == cnis.CoreVersion.MLU270 or \
cnis.get_device_core_version(dev_id=0) == cnis.CoreVersion.MLU220:
session_desc.set_preproc_params(
cnis.VideoPixelFmt.BGRA,
cnis.VideoPreprocessType.CNCV_PREPROC,
keep_aspect_ratio=False)
else:
session_desc.set_preproc_params(
cnis.VideoPixelFmt.RGB24,
cnis.VideoPreprocessType.CNCV_PREPROC,
keep_aspect_ratio=True)
session_desc.show_perf = False
# Create synchronous session
session = infer_server.create_sync_session(session_desc)
# Prepare input video_frame
video_frame = utils.prepare_video_frame()
output = cnis.Package(1, utils.tag)
status = cnis.Status.SUCCESS
# Request VideoFrame
assert infer_server.request_sync(session, video_frame, utils.tag,
status, output)
assert status == cnis.Status.SUCCESS
# Prepare input video_frame
video_frame = utils.prepare_video_frame()
input_pak = cnis.Package(1, utils.tag)
input_pak.data[0].set(video_frame)
# Request input package
assert infer_server.request_sync(session, input_pak, status, output)
assert status == cnis.Status.SUCCESS
# Prepare input with bounding boxes
video_frame = utils.prepare_video_frame()
bbox = [cnis.BoundingBox(x=0, y=0, w=0.5, h=0.5)] * 4
output = cnis.Package(1, utils.tag)
status = cnis.Status.SUCCESS
# Request VideoFrame and bounding boxes of it
assert infer_server.request_sync(session, video_frame, bbox, utils.tag,
status, output)
assert status == cnis.Status.SUCCESS
# Destroy session
infer_server.destroy_session(session)
def request_package(infer_server, session):
"""Request InferServer to process a package"""
# Test request sync
video_frame = utils.prepare_video_frame()
# create package and set video_frame to it
input_pak = cnis.Package(1, utils.tag)
input_pak.data[0].set(video_frame)
output = cnis.Package(1, utils.tag)
status = cnis.Status.SUCCESS
assert infer_server.request_sync(session, input_pak, status, output)
assert status == cnis.Status.SUCCESS
def prepare_input_and_preproc(self, width, height):
"""Read image from file. Convert color and resize the image to satisfy the model input"""
input_pak = cnis.Package(1, self.tag)
img = cv2.imread(cur_file_dir + "/../test/data/test.jpg")
if self.core_ver == cnis.CoreVersion.MLU220 or self.core_ver == cnis.CoreVersion.MLU270:
resized_img = cv2.resize(img, (width, height))
result_img = cv2.cvtColor(resized_img, cv2.COLOR_BGR2BGRA)
else:
ratio = min(width / img.shape[1], height / img.shape[0])
resized_w = int(ratio * img.shape[1])
resized_h = int(ratio * img.shape[0])
resized_img = cv2.resize(img, (resized_w, resized_h))
delta_w = width - resized_w
delta_h = height - resized_h
top, bottom = delta_h // 2, delta_h - (delta_h // 2)
left, right = delta_w // 2, delta_w - (delta_w // 2)
color = [0, 0, 0]
new_img = cv2.copyMakeBorder(resized_img, top, bottom, left, right, cv2.BORDER_CONSTANT,
value=color)
result_img = cv2.cvtColor(new_img, cv2.COLOR_BGR2RGB)
input_pak.data[0].set_user_data({"image_width": img.shape[1], "image_height": img.shape[0]})
input_pak.data[0].set(result_img)
return input_pak
def execute(self):
"""Execyte Inference only demo"""
# Create InferServer
cnis.bind_device(self.dev_id)
infer_server = cnis.InferServer(self.dev_id)
# Create session. Sync API
session_desc = cnis.SessionDesc()
session_desc.name = "test_session_sync"
session_desc.engine_num = 1
session_desc.strategy = cnis.BatchStrategy.STATIC
session_desc.model = infer_server.load_model(self.model_dir)
session = infer_server.create_sync_session(session_desc)
width, height = self.get_model_input_wh(session_desc.model)
for _ in range(4):
# Prepare input and output
input_pak = self.prepare_input_and_preproc(width, height)
output_pak = cnis.Package(1)
# Request
status = cnis.Status.SUCCESS
ret = infer_server.request_sync(session, input_pak, status, output_pak, timeout=20000)
if not ret:
print("[EasyDK PythonAPISamples] [InferOnlyDemo] RequestSync failed, ret: {}, status: {}".format(
ret, status))
# Postproc and print results
if status == cnis.Status.SUCCESS:
self.postproc_and_print(output_pak, session_desc.model, 0.6)
# Destroy Session
infer_server.destroy_session(session)
def test_create_sync_session():
# First of all we need to create an InferServer object
infer_server = cnis.InferServer(dev_id=0)
# Secondly, to create a synchronous session, a session description is needed.
session_desc = cnis.SessionDesc()
session_desc.name = "test_session"
# Load model and set it to session description
session_desc.model = infer_server.load_model(utils.model_dir)
session_desc.show_perf = False
# create a synchronous session
session = infer_server.create_sync_session(session_desc)
assert session
# Test request sync
input_pak = prepare_input(session_desc.model)
output = cnis.Package(1, utils.tag)
status = cnis.Status.SUCCESS
assert infer_server.request_sync(session, input_pak, status, output)
assert status == cnis.Status.SUCCESS
assert output.perf
assert len(output.data) == 1 and output.data[0].get_model_io()
# Test get model and unload model
assert infer_server.get_model(session) == session_desc.model
assert cnis.InferServer.unload_model(session_desc.model)
assert not cnis.InferServer.unload_model(session_desc.model)
model = infer_server.load_model(utils.model_dir)
cnis.InferServer.clear_model_cache()
assert not cnis.InferServer.unload_model(model)
# destroy session
assert infer_server.destroy_session(session)
def request_package(session_desc, infer_server, session):
"""Create input package and send it to InferServer."""
# Create a package with random data
input_pak = cnis.Package(1, utils.tag)
input_shape = session_desc.model.input_shape(0)
data_size = [input_shape[1], input_shape[2], input_shape[3]]
if session_desc.model.input_layout(0).order == cnis.DimOrder.NCHW:
data_size = [input_shape[2], input_shape[3], input_shape[1]]
input_data = np.random.randint(0,
255,
size=data_size,
dtype=np.dtype(np.uint8))
input_pak.data[0].set(input_data)
output = cnis.Package(1, utils.tag)
status = cnis.Status.SUCCESS
# Request
assert infer_server.request_sync(session, input_pak, status, output)
assert status == cnis.Status.SUCCESS
def test_observer():
infer_server = cnis.InferServer(dev_id=0)
session_desc = cnis.SessionDesc()
session_desc.model = infer_server.load_model(utils.model_dir)
session_desc.show_perf = False
class TestPostproc(cnis.Postprocess):
"""To use custom postprocess, we define a class TestPostproc which inherits from cnis.Postprocess.
The execute_func API will be called by InferServer to do postprocess.
"""
def __init__(self):
super().__init__()
def execute_func(self, result, model_output, model_info):
result.set({"key1": "result1", "key2": "result2"})
return True
session_desc.postproc = cnis.Postprocessor()
session_desc.set_postproc_func(TestPostproc().execute)
class TestObserver(cnis.Observer):
"""To receive results from InferServer, we define a class TestObserver which inherits from cnis.Observer.
After a request is sent to InferServer and is processed by InferServer, the response_func API will be called with
status, results and user data.
"""
def __init__(self):
super().__init__()
self.called = False
def response_func(self, status, data, user_data):
# Check user data
assert "user_data" in user_data
assert user_data["user_data"] == "cnis"
assert len(data.data) == 1
# Check data
result = data.data[0].get_dict()
assert "key1" in result
assert "key2" in result
assert result["key1"] == "result1"
assert result["key2"] == "result2"
self.called = True
obs = TestObserver()
session = infer_server.create_session(session_desc, obs)
input_pak = cnis.Package(1, utils.tag)
if cnis.get_device_core_version(dev_id=0) == cnis.CoreVersion.MLU270 or \
cnis.get_device_core_version(dev_id=0) == cnis.CoreVersion.MLU220:
input_pak.data[0].set(
np.random.randint(0, 255, size=(300, 300, 4), dtype=np.uint8))
else:
input_pak.data[0].set(
np.random.randint(0, 255, size=(416, 416, 3), dtype=np.uint8))
infer_server.request(session, input_pak, {"user_data": "cnis"})
infer_server.wait_task_done(session, utils.tag)
assert obs.called
infer_server.destroy_session(session)
def prepare_input(): """Read image from file. Set OpenCV mat to OpencvFrame.""" cv_frame = cnis.OpencvFrame() img = cv2.imread(cur_file_dir + "/../test/data/test.jpg") cv_frame.img = img cv_frame.fmt = cnis.VideoPixelFmt.BGR24 # Create package with one frame and set cv_frame to it input_pak = cnis.Package(1, utils.tag) input_pak.data[0].set(cv_frame) return input_pak
def prepare_input(model):
"""Read image from file. Set OpenCV mat to input package."""
img = cv2.imread(cur_file_dir + "/data/test.jpg")
# resize to model input shape
resized_img = cv2.resize(img, (get_model_input_wh(model)))
# convert color to model input pixel format
if cnis.get_device_core_version(dev_id=0) == cnis.CoreVersion.MLU270 or \
cnis.get_device_core_version(dev_id=0) == cnis.CoreVersion.MLU220:
result_img = cv2.cvtColor(resized_img, cv2.COLOR_BGR2BGRA)
else:
result_img = cv2.cvtColor(resized_img, cv2.COLOR_BGR2RGB)
# Create input package and set OpenCV mat to input package
input_pak = cnis.Package(1, utils.tag)
input_pak.data[0].set(result_img)
return input_pak
def prepare_opencv_data(self):
"""Read image from file. Set OpenCV mat to OpencvFrame."""
# Create a video_frame
cv_frame = cnis.OpencvFrame()
img = cv2.imread(cur_file_dir + "/../test/data/test.jpg")
cv_frame.img = img
cv_frame.fmt = cnis.VideoPixelFmt.BGR24
# Create package with one frame and set cv_frame to it
input_pak = cnis.Package(1, self.tag)
input_pak.data[0].set(cv_frame)
input_pak.data[0].set_user_data({
"image_width": img.shape[1],
"image_height": img.shape[0]
})
return input_pak
def prepare_mlu_data(self):
"""Read image from file. Convert OpenCV mat to VideoFrame (convert color and copy data from cpu to mlu)"""
# Prepare MLU data
cv_image = cv2.imread(cur_file_dir + "/../test/data/test.jpg")
img_width = cv_image.shape[1]
img_height = cv_image.shape[0]
# Create a video_frame
video_frame = cnis.VideoFrame()
video_frame.plane_num = 2
video_frame.format = cnis.VideoPixelFmt.NV12
video_frame.width = img_width
video_frame.height = img_height
video_frame.stride = [video_frame.width, video_frame.width]
# Convert image from BGR24 TO YUV NV12
i420_img = cv2.cvtColor(cv_image, cv2.COLOR_BGR2YUV_I420)
i420_img = i420_img.reshape(int(img_width * img_height * 3 / 2))
img_y = i420_img[:img_width * img_height]
img_uv = i420_img[img_width * img_height:]
img_uv.reshape((int(img_width * img_height / 4), 2),
order="F").reshape(int(img_width * img_height / 2))
# Create mlu buffer
mlu_buffer_y = cnis.Buffer(img_width * img_height, self.dev_id)
mlu_buffer_uv = cnis.Buffer(int(img_width * img_height / 2),
self.dev_id)
# Copy to mlu buffer
mlu_buffer_y.copy_from(img_y)
mlu_buffer_uv.copy_from(img_uv)
# Set buffer to video_frame
video_frame.set_plane(0, mlu_buffer_y)
video_frame.set_plane(1, mlu_buffer_uv)
# Create package and set video_frame to it
input_pak = cnis.Package(1, self.tag)
input_pak.data[0].set(video_frame)
# Set user data to input data, as PostprocYolov3 need to known the image width and height
input_pak.data[0].set_user_data({
"image_width": img_width,
"image_height": img_height
})
return input_pak
def execute(self):
"""Execyte synchronous demo"""
# Create InferServer
cnis.bind_device(self.dev_id)
infer_server = cnis.InferServer(self.dev_id)
# Create session. Sync API
session_desc = cnis.SessionDesc()
session_desc.name = "test_session_sync"
session_desc.engine_num = 1
session_desc.strategy = cnis.BatchStrategy.STATIC
session_desc.model = infer_server.load_model(self.model_dir)
self.opencv_preproc(session_desc)
self.python_postproc(session_desc)
session = infer_server.create_sync_session(session_desc)
for _ in range(4):
# Prepare input and output
input_pak = self.prepare_opencv_data()
output_pak = cnis.Package(1)
# Request
status = cnis.Status.SUCCESS
ret = infer_server.request_sync(session,
input_pak,
status,
output_pak,
timeout=20000)
if not ret:
print(
"[EasyDK PythonAPISamples] [SyncDemo] RequestSync failed, ret: {}, status: {}"
.format(ret, status))
if status == cnis.Status.SUCCESS:
self.print_result(output_pak)
# Destroy Session
infer_server.destroy_session(session)
def test_video_infer_server_request_async():
# Create VideoInferServer object
infer_server = cnis.VideoInferServer(dev_id=0)
session_desc = cnis.SessionDesc()
session_desc.name = "test_session"
# Load model
session_desc.model = infer_server.load_model(utils.model_dir)
# Create VideoPreprocessorMLU and set parameters. Use CNCV preproc.
session_desc.preproc = cnis.VideoPreprocessorMLU()
if cnis.get_device_core_version(dev_id=0) == cnis.CoreVersion.MLU270 or \
cnis.get_device_core_version(dev_id=0) == cnis.CoreVersion.MLU220:
session_desc.set_preproc_params(
cnis.VideoPixelFmt.BGRA,
cnis.VideoPreprocessType.CNCV_PREPROC,
keep_aspect_ratio=False)
else:
session_desc.set_preproc_params(
cnis.VideoPixelFmt.RGB24,
cnis.VideoPreprocessType.CNCV_PREPROC,
keep_aspect_ratio=True)
session_desc.show_perf = False
# Define a TestObserver class to receive results
class TestObserver(cnis.Observer):
"""To receive results from InferServer, we define a class MyObserver which inherits from cnis.Observer.
After a request is sent to InferServer and is processed by InferServer, the response_func API will be called with
status, results and user data.
"""
def __init__(self):
super().__init__()
self.called = False
def response_func(self, status, data, user_data):
assert status == cnis.Status.SUCCESS
assert "user_data" in user_data
assert user_data["user_data"] == "cnis"
self.called = True
# Create observer
obs = TestObserver()
# Create asynchronous session
session = infer_server.create_session(session_desc, obs)
# Prepare input video_frame
video_frame = utils.prepare_video_frame()
# Create user data
user_data = {"user_data": "cnis"}
# Request VideoFrame
assert infer_server.request(session, video_frame, utils.tag, user_data)
# Prepare input package
video_frame = utils.prepare_video_frame()
input_pak = cnis.Package(1, utils.tag)
input_pak.data[0].set(video_frame)
# Request package
assert infer_server.request(session, input_pak, user_data)
# Prepare input with bounding box
video_frame = utils.prepare_video_frame()
bbox = [cnis.BoundingBox(x=0, y=0, w=0.5, h=0.5)] * 4
# Request VideoFrame and bounding boxes of it
assert infer_server.request(session, video_frame, bbox, utils.tag,
user_data)
infer_server.wait_task_done(session, utils.tag)
assert obs.called
# Destroy session
infer_server.destroy_session(session)
def test_package(): data_num = 4 # Create a Package with 4 data input_pak = cnis.Package(data_num, utils.tag) assert len(input_pak.data) == data_num assert input_pak.tag == utils.tag
