global obsensor_uvc_stream_channel.cpp:156 cv::obsensor::getStreamChannelGroup Camera index out of range
时间: 2023-09-23 20:08:40 浏览: 559
This error message indicates that the camera index specified in the code is out of range. The code is trying to access a camera that doesn't exist or has not been initialized, hence the index is invalid.
To resolve this issue, you need to check the camera index specified in the code and ensure that it matches the actual camera index. You can also verify that the camera has been initialized correctly and is available. If the camera index is correct and the camera is still not available, you may need to check the camera drivers or hardware connections.
相关问题
YOLOv5s summary: 157 layers, 7012822 parameters, 0 gradients, 15.8 GFLOPs [ WARN:0@8.273] global cap_v4l.cpp:982 open VIDEOIO(V4L2:/dev/video0): can't open camera by index [ERROR:0@8.276] global obsensor_uvc_stream_channel.cpp:156 getStreamChannelGroup Camera index out of range Traceback (most recent call last): File "detect.py", line 272, in <module> main(opt) File "detect.py", line 267, in main run(**vars(opt)) File "/home/pi/.local/lib/python3.7/site-packages/torch/autograd/grad_mode.py", line 27, in decorate_context return func(*args, **kwargs) File "detect.py", line 112, in run dataset = LoadStreams(source, img_size=imgsz, stride=stride, auto=pt, vid_stride=vid_stride) File "/home/pi/yolov5-master/utils/dataloaders.py", line 367, in __init__ assert cap.isOpened(), f'{st}Failed to open {s}' AssertionError: 1/1: 0... Failed to open 0
根据您提供的错误消息,看起来您的代码尝试打开一个摄像头,但未能成功打开它,并显示了一个“ Failed to open”错误消息。
请确保您的摄像头已正确连接,并且应该是通过指定的索引(在这种情况下为0)可用。您可以尝试使用命令“ ls /dev/video*”来列出可用的视频设备,以确保您的摄像头设备已正确识别。
如果您的摄像头设备未正确识别,您可能需要重新插拔摄像头或重新启动您的设备,以使其重新识别设备。
如果摄像头设备已正确识别且仍然无法打开,请尝试使用不同的索引或更改摄像头的设置,例如分辨率或帧速率,以查看是否可以解决此问题。
如果问题仍然存在,请提供更多详细信息,例如您正在使用的操作系统和代码示例,以便我可以更好地帮助您解决问题。
assert failed: xTaskGenericNotify tasks.c:5545 (xTaskToNotify) Backtrace: 0x40025c86:0x3ffe2bb0 0x4002f081:0x3ffe2bd0 0x40036b46:0x3ffe2bf0 0x400314ec:0x3ffe2d10 0x40090e22:0x3ffe2d40 0x40025c86: panic_abort at D:/esp/esp-idf-v4.4.3/components/esp_system/panic.c:402 0x4002f081: esp_system_abort at D:/esp/esp-idf-v4.4.3/components/esp_system/esp_system.c:128 0x40036b46: __assert_func at D:/esp/esp-idf-v4.4.3/components/newlib/assert.c:85 0x400314ec: xTaskGenericNotify at D:/esp/esp-idf-v4.4.3/components/freertos/tasks.c:5545 (discriminator 1) 0x40090e22: uvc_stream_stop at D:/coding/esp32s3/esp-s2-catboard/components/usb/usb_stream/usb_stream.c:2110 (inlined by) _usb_stream_handle_task at D:/coding/esp32s3/esp-s2-catboard/components/usb/usb_stream/usb_stream.c:2773
这是一个错误的堆栈跟踪,表明在执行任务通知时发生了断言失败。具体来说,发生了一个断言失败的错误,代码位于`tasks.c`文件的5545行,函数名为`xTaskGenericNotify`。该断言可能是由于`xTaskToNotify`的值不正确引起的。
此外,堆栈跟踪还显示了一些其他函数的调用链,包括`panic_abort`、`esp_system_abort`和`__assert_func`等。
要解决这个问题,你可以检查在调用`xTaskGenericNotify`之前的代码,确保传递给`xTaskToNotify`参数的值是正确的。另外,你还可以检查其他可能导致此错误的代码区域,例如在调用`uvc_stream_stop`函数或`_usb_stream_handle_task`函数时。
如果你需要更具体的帮助,请提供更多的上下文信息,例如相关的代码片段或其他错误信息。
阅读全文