[ros-users] webcam driver for ros

[Peter Brook]

I have used Brown University's probe driver to get my builtin webcam 
publishing in ROS. Since it uses gstreamer, it should work with pretty 
much any webcam that can be used in Ubuntu.

Peter

On 05/11/2010 09:52 AM, Tully Foote wrote:
> I've used the uvc_cam package for a number of webcams, including a 
> Logitech Quickcam and a Microsoft Lifecam.
>
> Tully
>
> On Tue, May 11, 2010 at 9:30 AM, Adam Stambler <adasta at gmail.com 
> <mailto:adasta at gmail.com>> wrote:
>
>     Hi Harmish,
>
>     I have had good results using the usb_cam driver on my Logitech
>     Quickcam Pro.
>
>     I did not have to edit the source code, but I did need to provide
>     a new pixel format as a parameter.  Try using this launch file:
>
>     <launch>
>     <node pkg="usb_cam" type="usb_cam_node" name="cam">
>     <param name="video_device" value="/dev/video0"/>
>     <param name="pixel_format" value="yuyv"/>
>     </node>
>
>     </launch>
>
>
>     -Adam
>
>
>     On Tue, May 11, 2010 at 12:21 PM, Harmish Khambhaita
>     <harmish.khambhaita at dfki.de <mailto:harmish.khambhaita at dfki.de>>
>     wrote:
>
>         hello,
>
>         i am trying hard to make logitech quickcam pro 4000 to work
>         with ros. i have tried following drivers without sucess.
>
>         gencam_cu - problem to link wiht libroslib.o - recompiling
>         does not solve the problem !!
>         logitech_usb_webcam - making does not give any executable
>         usb_cam - has problems with ioctl(fd, VIDIOC_S_FMT, &fmt) -
>         gives error 22 - invalid parameters
>         uvc_cam - has problems with ioctl(fd, VIDIOC_S_FMT, &fmt) -
>         gives error 22 - invalid parameters - i succeed in bypassing
>         these errors by changing fmt.fmt.pix.pixelformat to
>         V4L2_PIX_FMT_YUV420 and changing buffersize (NB_BUFFER = 2),
>         however now i have segmentation fault
>
>         if anybody have success running a webcam with ros, i would be
>         thankful to know the driver and camera you are using.
>
>         cheers,
>         harmish.
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>
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>
>
> -- 
> Tully Foote
> Systems Engineer
> Willow Garage, Inc.
> tfoote at willowgarage.com <mailto:tfoote at willowgarage.com>
> (650) 475-2827
>
>
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