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import json
import os
from azure.media.videoanalyzeredge import *
from azure.iot.hub import IoTHubRegistryManager #run pip install azure-iot-hub to get this package
from azure.iot.hub.models import CloudToDeviceMethod, CloudToDeviceMethodResult
from datetime import time
device_id = os.getenv("iothub_deviceid");
module_d = os.getenv("iothub_moduleid");
connection_string = os.getenv("iothub_connectionstring");
live_pipeline_name = "pipelineInstance1"
pipeline_topology_name = "pipelineTopology1"
url = "rtsp://camerasimulator:8554"
def build_pipeline_topology():
pipeline_topology_properties = PipelineTopologyProperties()
pipeline_topology_properties.description = "Continuous video recording to an Azure Media Services Asset"
user_name_param = ParameterDeclaration(name="rtspUserName",type="String",default="testusername")
password_param = ParameterDeclaration(name="rtspPassword",type="SecretString",default="testpassword")
url_param = ParameterDeclaration(name="rtspUrl",type="String",default="rtsp://www.sample.com")
source = RtspSource(name="rtspSource", endpoint=UnsecuredEndpoint(url="${rtspUrl}",credentials=UsernamePasswordCredentials(username="${rtspUserName}",password="${rtspPassword}")))
node = NodeInput(node_name="rtspSource")
sink = VideoSink(name="videoSink", inputs=[node], video_name="video", local_media_cache_path="/var/lib/videoanalyzer/tmp/", local_media_cache_maximum_size_mi_b="1024");
pipeline_topology_properties.parameters = [user_name_param, password_param, url_param]
pipeline_topology_properties.sources = [source]
pipeline_topology_properties.sinks = [sink]
pipeline_topology = PipelineTopology(name=pipeline_topology_name,properties=pipeline_topology_properties)
return pipeline_topology
def build_live_pipeline():
url_param = ParameterDefinition(name="rtspUrl", value=url)
pass_param = ParameterDefinition(name="rtspPassword", value="secret_password")
live_pipeline_properties = LivePipelineProperties(description="Sample description", topology_name=pipeline_topology_name, parameters=[url_param])
live_pipeline = LivePipeline(name=live_pipeline_name, properties=live_pipeline_properties)
return live_pipeline
def invoke_method_helper(method):
direct_method = CloudToDeviceMethod(method_name=method.method_name, payload=method.serialize())
registry_manager = IoTHubRegistryManager(connection_string=connection_string)
payload = registry_manager.invoke_device_module_method(device_id=device_id, module_id=module_d, direct_method_request=direct_method).payload
if payload is not None and 'error' in payload:
print(payload['error'])
return None
return payload
def create_remote_device_adapter(device_name, iot_device_name):
registry_manager = IoTHubRegistryManager(connection_string=connection_string)
try:
iot_device = registry_manager.get_device(device_id=iot_device_name)
except Exception as ex:
iot_device = registry_manager.create_device_with_certificate_authority(device_id=iot_device_name, status="enabled")
remote_device_properties = RemoteDeviceAdapterProperties(target=RemoteDeviceAdapterTarget(host="camerasimulator"), iot_hub_device_connection=IotHubDeviceConnection(device_id=iot_device_name,credentials=SymmetricKeyCredentials(key=iot_device.authentication.symmetric_key)))
return RemoteDeviceAdapter(name=device_name, properties=remote_device_properties)
def sendPipelineRequests(pipeline_topology, live_pipeline):
set_pipeline_top_response = invoke_method_helper(PipelineTopologySetRequest(pipeline_topology=pipeline_topology))
if set_pipeline_top_response:
set_pipeline_top_result = PipelineTopology.deserialize((set_pipeline_top_response))
list_pipeline_top_response = invoke_method_helper(PipelineTopologyListRequest())
if list_pipeline_top_response:
list_pipeline_top_result = PipelineTopologyCollection.deserialize(list_pipeline_top_response)
get_pipeline_top_response = invoke_method_helper(PipelineTopologyGetRequest(name=pipeline_topology_name))
if get_pipeline_top_response:
get_pipeline_top_result = PipelineTopology.deserialize(get_pipeline_top_response)
set_live_pipeline_response = invoke_method_helper(LivePipelineSetRequest(live_pipeline=live_pipeline))
activate_pipeline_response = invoke_method_helper(LivePipelineActivateRequest(name=live_pipeline_name))
get_pipeline_response = invoke_method_helper(LivePipelineGetRequest(name=live_pipeline_name))
if get_pipeline_response:
get_pipeline_result = LivePipeline.deserialize(get_pipeline_response)
deactivate_pipeline_response = invoke_method_helper(LivePipelineDeactivateRequest(name=live_pipeline_name))
delete_pipeline_response = invoke_method_helper(LivePipelineDeleteRequest(name=live_pipeline_name))
delete_pipeline_response = invoke_method_helper(PipelineTopologyDeleteRequest(name=pipeline_topology_name))
def sendDeviceRequests(remote_device_adapter):
remote_device_adapter_set_response = invoke_method_helper(
RemoteDeviceAdapterSetRequest(remote_device_adapter=remote_device_adapter))
if remote_device_adapter_set_response:
remote_device_adapter_set_result = RemoteDeviceAdapter.deserialize(remote_device_adapter_set_response)
remote_device_adapter_get_response = invoke_method_helper(
RemoteDeviceAdapterGetRequest(name=remote_device_adapter.name))
if remote_device_adapter_get_response:
remote_device_adapter_get_result = RemoteDeviceAdapter.deserialize(remote_device_adapter_get_response)
remote_device_adapter_list_response = invoke_method_helper(RemoteDeviceAdapterListRequest())
if remote_device_adapter_list_response:
remote_device_adapter_list_result = RemoteDeviceAdapterCollection.deserialize(
remote_device_adapter_list_response)
remote_device_adapter_delete_response = invoke_method_helper(
RemoteDeviceAdapterDeleteRequest(name=remote_device_adapter.name))
onvif_list_response = invoke_method_helper(OnvifDeviceDiscoverRequest())
onvif_get_response = invoke_method_helper(
OnvifDeviceGetRequest(endpoint=UnsecuredEndpoint(url="rtsp://camerasimulator:8554")))
def main():
pipeline_topology = build_pipeline_topology()
live_pipeline = build_live_pipeline()
remote_device_adapter = create_remote_device_adapter(device_name="RemoteDeviceAdapter1", iot_device_name="iotdevicesample1")
try:
sendPipelineRequests(pipeline_topology=pipeline_topology, live_pipeline=live_pipeline)
sendDeviceRequests(remote_device_adapter=remote_device_adapter)
except Exception as ex:
print(ex)
if __name__ == "__main__":
main()
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