You don't say what your OS is . This might be an ffmpeg problem, try
reinstalling it. See
http://opencv.willowgarage.com/wiki/FFMPEG
On Tue, May 18, 2010 at 12:04 PM, Akansel Cosgun
<
akansel.cosgun@gmail.com>wrote:
> Hi everyone,
>
> I wrote a node to broadcast the images into the network. I recently
> re-installed opencv2 and the samples are working with the firewire camera as
> well as the coriander application. However I wasn't able to run with this
> simple code up here:
>
> #include <ros/ros.h>
> #include <opencv/highgui.h>
> #include <cv_bridge/CvBridge.h>
> #include "sensor_msgs/Image.h"
> int main(int argc, char** argv)
> {
> ros::init(argc, argv, "image_broadcaster");
> ros::NodeHandle nh;
> CvCapture* cam = cvCaptureFromCAM(-1);
> if (!cam)
> {
> ROS_ERROR("cv_image_broadcaster reports: Cannot get the CAM");
> exit(-1);
> }
> ...
> ...
> }
>
> The camera isn't recognized as the compiler says: "cv_image_broadcaster
> reports: Cannot get the CAM"
>
> manifest.xml:
> <package>
> <description brief="image_broadcaster">
>
> image_broadcaster
>
> </description>
> <author>Akansel Cosgun</author>
> <license>BSD</license>
> <review status="unreviewed" notes=""/>
> <url>http://ros.org/wiki/image_broadcaster</url>
> <depend package="roscpp"/>
> <depend package="sensor_msgs"/>
> <depend package="cv_bridge"/>
> <depend package="opencv2"/>
> </package>
>
> What do you think might be the problem?
>
> Thanks
>
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>
>
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