所以我需要使用Raspberry pi的网络摄像头,并遵循this教程 . 设备正在为测试流页面提供服务,但是应该嵌入流的所有位置都是空白的 . 我正在使用带有Raspbian Wheezy发行版的PS3 eyetoy相机 . 这是启动服务器时收到的日志:
MJPG Streamer Version: svn rev: 3:165
i: Using V4L2 device.: /dev/video0
i: Desired Resolution: 640 x 480
i: Frames Per Second.: 5
i: Format............: MJPEG
Adding control for Pan (relative)
UVCIOC_CTRL_ADD - Error: Inappropriate ioctl for device
Adding control for Tilt (relative)
UVCIOC_CTRL_ADD - Error: Inappropriate ioctl for device
Adding control for Pan Reset
UVCIOC_CTRL_ADD - Error: Inappropriate ioctl for device
Adding control for Tilt Reset
UVCIOC_CTRL_ADD - Error: Inappropriate ioctl for device
Adding control for Pan/tilt Reset
UVCIOC_CTRL_ADD - Error: Inappropriate ioctl for device
Adding control for Focus (absolute)
UVCIOC_CTRL_ADD - Error: Inappropriate ioctl for device
mapping control for Pan (relative)
UVCIOC_CTRL_MAP - Error: Inappropriate ioctl for device
mapping control for Tilt (relative)
UVCIOC_CTRL_MAP - Error: Inappropriate ioctl for device
mapping control for Pan Reset
UVCIOC_CTRL_MAP - Error: Inappropriate ioctl for device
mapping control for Tilt Reset
UVCIOC_CTRL_MAP - Error: Inappropriate ioctl for device
mapping control for Pan/tilt Reset
UVCIOC_CTRL_MAP - Error: Inappropriate ioctl for device
mapping control for Focus (absolute)
UVCIOC_CTRL_MAP - Error: Inappropriate ioctl for device
mapping control for LED1 Mode
UVCIOC_CTRL_MAP - Error: Inappropriate ioctl for device
mapping control for LED1 Frequency
UVCIOC_CTRL_MAP - Error: Inappropriate ioctl for device
mapping control for Disable video processing
UVCIOC_CTRL_MAP - Error: Inappropriate ioctl for device
mapping control for Raw bits per pixel
UVCIOC_CTRL_MAP - Error: Inappropriate ioctl for device
o: www-folder-path...: ./www/
o: HTTP TCP port.....: 8080
o: username:password.: disabled
o: commands..........: enabled
我没有找到任何关于这个错误的解释,也不知道它可能指的是什么问题 .
2 回答
ps3相机似乎不支持mjpeg,但它确实支持YUYV格式 . 尝试使用-y标志初始化流 . 例如:
根据我的经验,您列出的错误与Linux-UVC驱动程序的dynctrls有关,而与图像格式mjpeg或yuyv无关 .
看起来您的相机确实支持mjpeg格式,但是,您当前的相机/驱动程序缺乏对所列dynctrls的支持(即您的相机无法进行摇摄/倾斜/对焦等,或者mjpeg遇到错误时试图访问/设置列出的控件,你可以禁用dynctrls(因此消除了你在启动mjpg-streamer时使用
-n
标志收到的错误 .像这样的东西:
将开始在覆盆子pi的IP地址的端口8090上流式传输 .
要访问本地网络上的流,请转至
xxx.xxx.xxx.xxx:8090/?action=stream
或将<img src="xxx.xxx.xxx.xxx:8090/?action=stream">
插入可访问的html页面 . 将xxx.xxx.xxx.xxx
替换为覆盆子pi的LOCAL IP地址 .要在远程位置访问流(不在与pi相同的本地网络上),请将覆盖范围pi所在的网络外部IP替换为
xxx.xxx.xxx.xxx
(并编辑路由器设置以将请求转发到端口8090
到覆盆子pi的本地IP地址) .