S
seandevlin

  • Nov 20, 2023
  • Joined Nov 13, 2023
  • 0 best answers
  • In UVC with OV9782
  • In UVC with OV9782

    Reflashed device back to original state, still can't get create UVC on this OV9782 camera though.


    depthai-python git:(v2.23.0.0) ✗ python3 ./examples/ColorCamera/rgb_uvc.py
Traceback (most recent call last):
  File "/Users/sean.devlin/play/depthai-python/./examples/ColorCamera/rgb_uvc.py", line 88, in <module>
    with dai.Device(getPipeline()) as device:
  File "/Users/sean.devlin/play/depthai-python/./examples/ColorCamera/rgb_uvc.py", line 38, in getPipeline
    uvc = pipeline.createUVC()
AttributeError: 'depthai.Pipeline' object has no attribute 'createUVC'
➜  depthai-python git:(v2.23.0.0) ✗
    • In UVC with OV9782

      jakaskerl

      ➜  depthai git:(develop) ✗ python3 ./apps/uvc/main3.py -fb 
Flashing bootloader...
Flashing progress: 0.0%
Flashing progress: 6.2%
Flashing progress: 12.5%
Flashing progress: 18.8%
Flashing progress: 25.0%
Traceback (most recent call last):
  File "/Users/sean.devlin/Luxonis/depthai/./apps/uvc/main3.py", line 72, in <module>
    if args.flash_bootloader: flash()
  File "/Users/sean.devlin/Luxonis/depthai/./apps/uvc/main3.py", line 63, in flash
    bootloader.flashBootloader(progress)
depthai.XLinkReadError: Couldn't read data from stream: '__bootloader' (X_LINK_ERROR)
➜  depthai git:(develop) ✗ python3 ./apps/uvc/main3.py -f 
Traceback (most recent call last):
  File "/Users/sean.devlin/Luxonis/depthai/./apps/uvc/main3.py", line 73, in <module>
    if args.flash_app: flash(getPipeline())
  File "/Users/sean.devlin/Luxonis/depthai/./apps/uvc/main3.py", line 38, in getPipeline
    uvc = pipeline.createUVC()
AttributeError: 'depthai.Pipeline' object has no attribute 'createUVC'
➜  depthai git:(develop) ✗ python3 ./apps/uvc/main3.py -l
Traceback (most recent call last):
  File "/Users/sean.devlin/Luxonis/depthai/./apps/uvc/main3.py", line 78, in <module>
    device = dai.Device(getPipeline())
  File "/Users/sean.devlin/Luxonis/depthai/./apps/uvc/main3.py", line 38, in getPipeline
    uvc = pipeline.createUVC()
AttributeError: 'depthai.Pipeline' object has no attribute 'createUVC'
        • In UVC with OV9782

          Here is the UVC app modified only at line 30.

          `
          #!/usr/bin/env python3
          import platform
          import depthai as dai
          import time
          import sys
          import signal
          import threading
          from depthai_sdk.managers import arg_manager

          args = arg_manager.parseArgs()

          if platform.machine() == 'aarch64':
          print("This app is temporarily disabled on AARCH64 systems due to an issue with stream preview. We are working on resolving this issue", file=sys.stderr)
          raise SystemExit(1)

          enable_4k = False # Will downscale 4K -> 1080p

          Start defining a pipeline

          pipeline = dai.Pipeline()

          Define a source - color camera

          cam_rgb = pipeline.createColorCamera()
          cam_rgb.setBoardSocket(dai.CameraBoardSocket.RGB)
          cam_rgb.setInterleaved(True)

          if enable_4k:
          cam_rgb.setResolution(dai.ColorCameraProperties.SensorResolution.THE_4_K)
          cam_rgb.setIspScale(1, 2)
          else:
          cam_rgb.setResolution(dai.ColorCameraProperties.SensorResolution.THE_720_P)

          Create an UVC (USB Video Class) output node. It needs 1920x1080, NV12 input

          uvc = pipeline.createUVC()
          cam_rgb.video.link(uvc.input)

          Terminate app handler

          quitEvent = threading.Event()
          signal.signal(signal.SIGTERM, lambda *_args: quitEvent.set())

          Pipeline defined, now the device is connected to

          with dai.Device(pipeline, usb2Mode=False) as device:
          if device.getDeviceInfo().protocol == dai.XLinkProtocol.X_LINK_USB_VSC and device.getUsbSpeed() not in (dai.UsbSpeed.SUPER, dai.UsbSpeed.SUPER_PLUS):
          print("This app is temporarily disabled with USB2 connection speed due to known issue. We're working on resolving it. In the meantime, please try again with a USB3 cable/port for the device connection", file=sys.stderr)
          raise SystemExit(1)
          print("\nDevice started, please keep this process running")
          print("and open an UVC viewer. Example on Linux:")
          print(" guvcview -d /dev/video0")
          print("\nTo close: Ctrl+C")

          # Doing nothing here, just keeping the host feeding the watchdog
while not quitEvent.is_set():
    try:
        time.sleep(0.1)
    except KeyboardInterrupt:
        break

          `

          • In UVC with OV9782

            Hello,

            The UVC app produces a green/broken webcam image with the OAK-D W OV9782. I've tried updating the resolution to THE_720/800_P, can some please advise on how to correct the image corruption?

            Thank you,

            Sean