Re: [ros-users] webcam driver for ros

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@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@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.
>> _______________________________________________
>> ros-users mailing list
>> ros-users@code.ros.org
>> https://code.ros.org/mailman/listinfo/ros-users
>>
>
>
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>


--
Tully Foote
Systems Engineer
Willow Garage, Inc.
tfoote@willowgarage.com
(650) 475-2827