Assistance Needed for Standalone Streaming Setup on Multiple OAK PoE Cameras

Nnikul · Jan 30, 2024

I am looking for way to view the camera(stream using mjpeg) on localhost before I flash the setting(Res,Focus,etc) into the device. The way I am flashing specific device using IP address. I want to view specific IP address instead of available device.
this not really working getting the error I shared with you earlier in this discussion.
# Specify MXID, IP Address or USB path

device_info = depthai.DeviceInfo("14442C108144F1D000") # MXID

#device_info = depthai.DeviceInfo("192.168.1.44") # IP Address

#device_info = depthai.DeviceInfo("3.3.3") # USB port name

with depthai.Device(pipeline, device_info) as device:

# ...
Apologies, I meant streaming is flickering .My observation says it happens when I use camera as standalone device not when I use my system as host.

jakaskerl · Jan 31, 2024

nikul The way I am flashing specific device using IP address. I want to view specific IP address instead of available device.

Coudly elaborate more, I'm still quite unsure of what you goal is. IP address is accessed through name property of the deviceInfo object.

nikul Apologies, I meant streaming is flickering .My observation says it happens when I use camera as standalone device not when I use my system as host.

Can you send a screenshot/video of this happening?

Thanks,
Jaka

Nnikul · Jan 31, 2024

jakaskerl Thank you for getting back.

here is the recorded video of camera behavior on stand alone mode.

video.mp4

8MB

Here is the script which basically sets MJPEG server with both views (normal and stereo). I am not sure weather or not it will work, but currently it is taking random device from the network since have both OAK-1 and OAK-D-Pro it select OAK 1 from the network and trying to run the given script causing error like this one.

Note: Even though if I disconnect all the device and just keep OAK-D-Pro PoE it still say failed to find the device even though its connected when i check the status.

Script : GitHub (GPT generated)

You did mention something like this. Apologies if still repeating the same mistake unconsciously

A single device cannot be used by both the deviceBootloader and the dai.Device(). After exiting the context of these two functions, the device will reboot which will cause the error you are experiencing.

This simple example of depth preview is not working for me.
https://github.com/luxonis/depthai-python/blob/main/examples/StereoDepth/depth_preview.py

Getting this error even after getting sure that its connected.

jakaskerl · Feb 1, 2024

HI @nikul
I tested you script and it works great on Oak-D-Pro Poe. It does not flicker at all. Are you experiencing the flickering in host mode or just in standalone? Does it help removing the color_cam.initialControl.setManualFocus(100) # 0..255?

"0.0.0.0" IP won't work, you have to specify the IP of the device directly. Camera not detected error stems from the fact that OAK-1 poe only has 1 camera (on socket 0). Stereo needs cameras on socket 1 and 2.

Thanks,
Jaka

Nnikul · Feb 1, 2024

jakaskerl
I tested you script and it works great on Oak-D-Pro Poe. It does not flicker at all. Are you experiencing the flickering in host mode or just in standalone? Does it help removing the color_cam.initialControl.setManualFocus(100) # 0..255?

It flickers only on Standalone. I have applied the same code to the all my four OAK PoE cameras however effect of this code color_cam.initialControl.setManualFocus(100) # 0..255is only appearing on OAK-D-Pro. and none other.

"0.0.0.0" IP won't work, you have to specify the IP of the device directly. Camera not detected error stems from the fact that OAK-1 poe only has 1 camera (on socket 0). Stereo needs cameras on socket 1 and 2.

0.0.0.0 is just for security purpose I am using device IP while running in into my system. I aware of the fact that I need OAK-D or OAK-D-Pro to stream depth view. i do have both of them connected to my network.

jakaskerl · Feb 2, 2024

Hi @nikul
Which Oak-D-pro Poe is this? This is what /examples/ColorCamera/rgb_preview.py prints out for a camera I tested and which had no issues with flickering:

Connected cameras: [{socket: CAM_A, sensorName: IMX378, width: 4056, height: 3040, orientation: AUTO, supportedTypes: [COLOR], hasAutofocus: 1, hasAutofocusIC: 1, name: color}, {socket: CAM_B, sensorName: OV9282, width: 1280, height: 800, orientation: AUTO, supportedTypes: [MONO], hasAutofocus: 0, hasAutofocusIC: 0, name: left}, {socket: CAM_C, sensorName: OV9282, width: 1280, height: 800, orientation: AUTO, supportedTypes: [MONO], hasAutofocus: 0, hasAutofocusIC: 0, name: right}]
Usb speed: UNKNOWN
Bootloader version: 0.0.26
Device name: OAK-D-PRO-POE  Product name: OAK-D-PRO-POE-AF

I flashed the application you have sent to the device and experienced no issues.

Thanks,
Jaka

Nnikul · Feb 2, 2024

@jakaskerl
Hi, Thank you for getting back.
Can I set the focus manually. To the OAK 1.
Here is description of my device.
[{socket: CAM_A, sensorName: IMX378, width: 4056, height: 3040, orientation: AUTO, supportedTypes: [COLOR], hasAutofocus: 0, hasAutofocusIC: 1, name: color}]

jakaskerl · Feb 3, 2024

Hi @nikul
hasAutofocus is 0 so no.

Thanks,
Jaka

Nnikul · Feb 5, 2024

Thank you @jakaskerl
1. I am unable to setManualFocus with this.
# Start defining a pipeline

pipeline = dai.Pipeline()

# Define a source - color camera

cam = pipeline.create(dai.node.ColorCamera)

cam.setResolution(dai.ColorCameraProperties.SensorResolution.THE_1080_P)

cam.initialControl.setManualFocus(2)

[{socket: CAM_A, sensorName: IMX378, width: 4056, height: 3040, orientation: AUTO, supportedTypes: [COLOR], hasAutofocus: 0, hasAutofocusIC: 1, name: color}, {socket: CAM_B, sensorName: OV9282, width: 1280, height: 800, orientation: AUTO, supportedTypes: [MONO], hasAutofocus: 0, hasAutofocusIC: 0, name: left}, {socket: CAM_C, sensorName: OV9282, width: 1280, height: 800, orientation: AUTO, supportedTypes: [MONO], hasAutofocus: 0, hasAutofocusIC: 0, name: right}]

This camera does comes with Auto Focus features.
https://docs.luxonis.com/projects/hardware/en/latest/pages/NG9097pro/

I am getting error while installing depthAI viewer.

Requirement already satisfied: pip in c:\users\nikunayi\appdata\local\packages\pythonsoftwarefoundation.python.3.11_qbz5n2kfra8p0\localcache\local-packages\python311\site-packages\depthai_viewer\venv-0.1.6\lib\site-packages (23.2.1)

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Creating virtual environment...

Error occurred during dependency installation: Command '['C:\\Users\\nikunayi\\AppData\\Local\\Packages\\PythonSoftwareFoundation.Python.3.11_qbz5n2kfra8p0\\LocalCache\\local-packages\\Python311\\site-packages\\depthai_viewer\\venv-0.1.6\\Scripts\\python', '-m', 'pip', 'install', 'depthai-sdk==1.13.1.dev0+b0340e0c4ad869711d7d5fff48e41c46fe41f475', '--extra-index-url', 'https://artifacts.luxonis.com/artifactory/luxonis-python-snapshot-local/']' returned non-zero exit status 1.

Traceback (most recent call last):

File "C:\Users\nikunayi\AppData\Local\Packages\PythonSoftwareFoundation.Python.3.11_qbz5n2kfra8p0\LocalCache\local-packages\Python311\site-packages\depthai_viewer\install_requirements.py", line 85, in create_venv_and_install_dependencies

subprocess.run(

File "C:\Program Files\WindowsApps\PythonSoftwareFoundation.Python.3.11_3.11.2032.0_x64__qbz5n2kfra8p0\Lib\subprocess.py", line 571, in run

raise CalledProcessError(retcode, process.args,

subprocess.CalledProcessError: Command '['C:\\Users\\nikunayi\\AppData\\Local\\Packages\\PythonSoftwareFoundation.Python.3.11_qbz5n2kfra8p0\\LocalCache\\local-packages\\Python311\\site-packages\\depthai_viewer\\venv-0.1.6\\Scripts\\python', '-m', 'pip', 'install', 'depthai-sdk==1.13.1.dev0+b0340e0c4ad869711d7d5fff48e41c46fe41f475', '--extra-index-url', 'https://artifacts.luxonis.com/artifactory/luxonis-python-snapshot-local/']' returned non-zero exit status 1.

Deleting partially created virtual environment: C:\Users\nikunayi\AppData\Local\Packages\PythonSoftwareFoundation.Python.3.11_qbz5n2kfra8p0\LocalCache\local-packages\Python311\site-packages\depthai_viewer\venv-0.1.6

Requirement already satisfied: pip in c:\users\nikunayi\appdata\local\packages\pythonsoftwarefoundation.python.3.11_qbz5n2kfra8p0\localcache\local-packages\python311\site-packages\depthai_viewer\venv-0.1.6\lib\site-packages (23.2.1)

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Installing collected packages: types-PySide2, xmltodict, urllib3, six, Qt.py, PyYAML, pytube, packaging, numpy, jmespath, idna, depthai, charset-normalizer, certifi, sentry-sdk, requests, PyTurboJPEG, python-dateutil, opencv-contrib-python, marshmallow, depthai-pipeline-graph, ahrs, botocore, s3transfer, boto3, blobconverter, depthai-sdk

Creating virtual environment...

Error occurred during dependency installation: Command '['C:\\Users\\nikunayi\\AppData\\Local\\Packages\\PythonSoftwareFoundation.Python.3.11_qbz5n2kfra8p0\\LocalCache\\local-packages\\Python311\\site-packages\\depthai_viewer\\venv-0.1.6\\Scripts\\python', '-m', 'pip', 'install', 'depthai-sdk==1.13.1.dev0+b0340e0c4ad869711d7d5fff48e41c46fe41f475', '--extra-index-url', 'https://artifacts.luxonis.com/artifactory/luxonis-python-snapshot-local/']' returned non-zero exit status 1.

Traceback (most recent call last):

File "C:\Users\nikunayi\AppData\Local\Packages\PythonSoftwareFoundation.Python.3.11_qbz5n2kfra8p0\LocalCache\local-packages\Python311\site-packages\depthai_viewer\install_requirements.py", line 85, in create_venv_and_install_dependencies

subprocess.run(

File "C:\Program Files\WindowsApps\PythonSoftwareFoundation.Python.3.11_3.11.2032.0_x64__qbz5n2kfra8p0\Lib\subprocess.py", line 571, in run

raise CalledProcessError(retcode, process.args,

subprocess.CalledProcessError: Command '['C:\\Users\\nikunayi\\AppData\\Local\\Packages\\PythonSoftwareFoundation.Python.3.11_qbz5n2kfra8p0\\LocalCache\\local-packages\\Python311\\site-packages\\depthai_viewer\\venv-0.1.6\\Scripts\\python', '-m', 'pip', 'install', 'depthai-sdk==1.13.1.dev0+b0340e0c4ad869711d7d5fff48e41c46fe41f475', '--extra-index-url', 'https://artifacts.luxonis.com/artifactory/luxonis-python-snapshot-local/']' returned non-zero exit status 1.

Deleting partially created virtual environment: C:\Users\nikunayi\AppData\Local\Packages\PythonSoftwareFoundation.Python.3.11_qbz5n2kfra8p0\LocalCache\local-packages\Python311\site-packages\depthai_viewer\venv-0.1.6


Thank you.

jakaskerl · Feb 5, 2024

Hi @nikul
You probably have the FF variant.

Thanks,
Jaka

Nnikul · Feb 5, 2024

jakaskerl

Hi @Jackmarks Thank you for getting back.

Couple weeks back when I tried, I was able to set focus. I did not try all the parameters but set focus to 0 and it was all blur.

Thank you

jakaskerl · Feb 6, 2024

Hi @nikul
Are you sure it was the same camera?
Try with https://docs.luxonis.com/projects/api/en/latest/samples/ColorCamera/rgb_camera_control/.

Control:      key[dec/inc]  min..max
  exposure time:     I   O      1..33000 [us]
  sensitivity iso:   K   L    100..1600
  focus:             ,   .      0..255 [far..near]
  white balance:     N   M   1000..12000 (light color temperature K)

Thanks,
Jaka

Nnikul · Feb 7, 2024

Turns out the setResolution() also something which not really working for me. whatever perameter I set in my video surveillance system it is showing 1080.

Also I want to crop the streaming and want to get only center of the video, can you show my how can I apply this considering the code I have provided above.

Thank you.

jakaskerl · Feb 7, 2024

nikul Turns out the setResolution() also something which not really working for me. whatever perameter I set in my video surveillance system it is showing 1080.

Please add a MRE of this issue so we can pinpoint the culprit.

nikul Also I want to crop the streaming and want to get only center of the video, can you show my how can I apply this considering the code I have provided above.

Create a ImgManip node
Link camRgb as input, and pipe the output to whatever you need (streaming/NN/etc)
use Imagemanip's manip.initialConfig.setCropRect() or manip.initialConfig.setCenterCrop()
Keep in mind, values for the second one are normalized (0-1)

Thanks,
Jaka

Nnikul · Feb 7, 2024

jakaskerl Thank You.

import depthai as dai
import time

# Start defining a pipeline
pipeline = dai.Pipeline()
# Define a source - color camera
cam = pipeline.create(dai.node.ColorCamera)
cam.setFps(60)
cam.setResolution(dai.ColorCameraProperties.SensorResolution.THE_720_P)
cam.initialControl.setManualFocus(185) # 0..255

manip = pipeline.create(dai.node.ImageManip)
manip.initialConfig.setCropRect(0.3917, 0.3574, 0.6083, 0.7426)

# VideoEncoder
jpeg = pipeline.create(dai.node.VideoEncoder)
jpeg.setDefaultProfilePreset(cam.getFps(), dai.VideoEncoderProperties.Profile.MJPEG)


# Script node
script = pipeline.create(dai.node.Script)

script.setProcessor(dai.ProcessorType.LEON_CSS)
script.setScript("""
    import time
    import socket
    import fcntl
    import struct
    from socketserver import ThreadingMixIn
    from http.server import BaseHTTPRequestHandler, HTTPServer

    PORT = 8080

    def get_ip_address(ifname):
        s = socket.socket(socket.AF_INET, socket.SOCK_DGRAM)
        return socket.inet_ntoa(fcntl.ioctl(
            s.fileno(),
            -1071617759,  # SIOCGIFADDR
            struct.pack('256s', ifname[:15].encode())
        )[20:24])

    class ThreadingSimpleServer(ThreadingMixIn, HTTPServer):
        pass

    class HTTPHandler(BaseHTTPRequestHandler):
        def do_GET(self):
            if self.path == '/':
                self.send_response(200)
                self.end_headers()
                self.wfile.write(b'<h1>[DepthAI] Hello, world!</h1><p>Click <a href="img">here</a> for an image</p>')
            elif self.path == '/img':
                try:
                    self.send_response(200)
                    self.send_header('Content-type', 'multipart/x-mixed-replace; boundary=--jpgboundary')
                    self.end_headers()
                    fpsCounter = 0
                    timeCounter = time.time()
                    while True:
                        jpegImage = node.io['jpeg'].get()
                        self.wfile.write("--jpgboundary".encode())
                        self.wfile.write(bytes([13, 10]))
                        self.send_header('Content-type', 'image/jpeg')
                        self.send_header('Content-length', str(len(jpegImage.getData())))
                        self.end_headers()
                        self.wfile.write(jpegImage.getData())
                        self.end_headers()

                        fpsCounter = fpsCounter + 1
                        if time.time() - timeCounter > 1:
                            node.warn(f'FPS: {fpsCounter}')
                            fpsCounter = 0
                            timeCounter = time.time()
                except Exception as ex:
                    node.warn(str(ex))

    with ThreadingSimpleServer(("", PORT), HTTPHandler) as httpd:
        node.warn(f"Serving at {get_ip_address('re0')}:{PORT}")
        httpd.serve_forever()
""")

# Connections
# Linking
cam.video.link(manip.inputImage)  # Link camera to ImageManip
manip.out.link(jpeg.input)  # Link ImageManip to VideoEncoder
jpeg.bitstream.link(script.inputs['jpeg'])

I was able to crop the frame but resolution issue is still the same.

jakaskerl · Feb 8, 2024

Hi @nikul
I think 720P is not supported on IMX378, that's why it's defaulting to 1080p. Other (higher) resolution should work as intended.
And you should be getting a warning for unsupported resolution in the depthai during bootup.

Thanks,
Jaka

Nnikul · Feb 9, 2024

jakaskerl Thank you.
Is there anyway we can reduce the bitrate in MJPEG streaming.

jakaskerl · Feb 9, 2024

Hi @nikul
setQuality (https://docs.luxonis.com/projects/api/en/latest/references/python/#depthai.node.VideoEncoder.setQuality) should reduce the bitrate afaik.

Thanks,
Jaka