sudo fswebcam -d /dev/video0 -r 320x240 --bottom-banner --title "Car" --no-timestamp /home/pi/car_capture.jpg --- Opening /dev/video0... Trying source module v4l2... /dev/video0 opened. No input was specified, using the first. --- Capturing frame... Corrupt JPEG data: premature end of data segment Captured frame in 0.00 seconds. --- Processing captured image... Putting banner at the bottom. Settin...
我在移植好mini2440开发板之后。通过开发板自带的应用软件可以使用usb摄像头。但是当我向开发板内移植流媒体服务器mjpg-streamer之后.重新运行应用软件出现下列错误。 "usb摄像头was terminated due to application error(11)”,然后应用软件关闭。 我不知道这是什么原因。有知道的朋友帮个忙了。 多谢。
1.我的摄像头可以在cheese里面使用,但是 cheese 命令后出现 cheese (cheese:5020): Gtk-WARNING **: Attempting to add a widget with type GtkImage to a GtkToggleButton, but as a GtkBin subclass a GtkToggleButton can only contain one widget at a time; it already contains a widget of type GtkLabel (cheese:5020): Gtk-WARNING **: Attempting to add a widget with type GtkImage to a GtkToggleButton, but as a...
本帖最后由 二师兄89 于 2012-03-31 15:24 编辑 各位下午好,ubuntu摄像头问题... 问题是: 此摄像头在windows下是可以达到30fps,在ubuntu 11.04(linux 2.6.38)下,用guvcview看摄像头捕获的视频,将分辨率下调到352x288,甚至176x144,帧率只有15,17之流,ubuntu10.04可达到23fps(死撑之),怎样才能将其调至30fps? 摄像头参数 Logitech C910 ,Device ID :046d:0821,是ubuntu支持的device。即插即用...
Camera摄像头拍照
请看例子:
main.xml
Xml代码[code]1.
2.
用luvcview测试摄像头,提示:Unable to set format:22。报错点是在v4luvc.c文件中,具体语句是: vd->fmt.type = V4L2_BUF_TYPE_VIDEO_CAPTURE; vd->fmt.fmt.pix.width = vd->width; vd->fmt.fmt.pix.height = vd->height; vd->fmt.fmt.pix.pixelformat = vd->formatIn; vd->fmt.fmt.pix.field = V4L2_FIELD_ANY; ret = ioctl(vd->fd, VIDIOC_S_FMT, &vd->fmt); if (ret < 0) { printf("Unable to se...
看了好久的USB驱动了,一直想自己动手编写一个USB摄像头驱动,但是还是遇到好多的问题!基本的思路比较清晰了,现在想找一个USB摄像头来做驱动。希望大家给推荐一款(之前我自己也找过,但是都没有相应的摄像头资料)。
怎么我的UBUNTU10.10一碰到摄像头就出现这样的错误: root@ubuntu:/home/shanyong/11031806204228/malic-0.0.9.1# ./configure checking for a BSD-compatible install... /usr/bin/install -c checking whether build environment is sane... yes checking whether make sets $(MAKE)... yes checking for working aclocal-1.4... missing checking for working autoconf... found checking for working automake-1.4... missin...