错误“无法打开视频设备”
我正在使用带有树莓派的 HP Deluxe 网络摄像头 (EW193AA)
lsusb 的日志
Bus 001 Device 002: ID 0424:9514 Standard Microsystems Corp.
Bus 001 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub
Bus 001 Device 003: ID 0424:ec00 Standard Microsystems Corp.
Bus 001 Device 006: ID 093a:2621 Pixart Imaging, Inc. PAC731x Trust Webcam
Bus 001 Device 005: ID 413c:2107 Dell Computer Corp.
运动日志 -n
[0] Processing thread 0 - config file /etc/motion/motion.conf
[0] Motion 3.2.12 Started
[0] ffmpeg LIBAVCODEC_BUILD 3482368 LIBAVFORMAT_BUILD 3478785
[0] Thread 1 is from /etc/motion/motion.conf
[0] httpd bind(): Address already in use
[0] httpd thread exit
[1] Thread 1 started
[1] cap.driver: "gspca_pac7302"
[1] cap.card: "USB Camera (093a:2621)"
[1] cap.bus_info: "usb-bcm2708_usb-1.2"
[1] cap.capabilities=0x85000001
[1] - VIDEO_CAPTURE
[1] - READWRITE
[1] - STREAMING
[1] Config palette index 8 (YU12) doesn't work.
[1] Supported palettes:
[1] 0: PJPG (PJPG)
[1] Unable to find a compatible palette format.
[1] ioctl (VIDIOCGCAP): Inappropriate ioctl for device
[1] Could not fetch initial image from camera
[1] Motion continues using width and height from config file(s)
[1] Resizing pre_capture buffer to 1 items
[1] bind(): Address already in use
[1] Problem enabling stream server in port 8081: Address already in use
[1] Thread exiting
[0] Motion thread 1 restart
我曾尝试将宽度和高度更改为 160*140, 320*240,640*480 但导致同样的错误......但找不到解决方案......
最佳答案
日志文件说您的端口 8081 已被使用...
还请确保您的 outpath 已为用户 motion.motion 启用写入:
例如。
须藤 chown motion.motion/home/pi/motion
关于raspberry-pi - 树莓派网络摄像头无法打开视频设备，我们在Stack Overflow上找到一个类似的问题：https://stackoverflow.com/questions/24010510/