Re: [Playerstage-users] camerav4l problems with sony evid30

[Eric I. <eri...@gm...>]

Heck yeah, that was it.  Figured it was something dumb like that.
Works great now.  Thanks!


On 7/18/06, Geoffrey Biggs <g....@au...> wrote:
> Are you calling playerc_client_read to get the latest data from the robot?
> Can you post more of your program's code?
>
> Geoff
>
> Eric Innis wrote:
> > Hi, I'm using the sonyEVID30 camera and a bt878 capture card.  My
> > configuration looks like this:
> >
> > driver
> > (
> >   name "camerav4l"
> >   provides ["camera:0"]
> >   port "/dev/video0"
> >   source 0
> >   norm "ntsc"
> >   size [160 120]
> >   mode "RGB888"
> > )
> >
> >
> > I get no errors during runtime however I can't get any real data from
> > the camera, i.e. all the fields in the camera structure are zero.
> > Here is my debugging output:
> >
> > [root@grits1 player_work]# ./camera_test
> > Creating Client
> > Creating Camera
> > Changing Data Mode
> > Width: 0
> > Height: 0
> > BPP: 0
> > Format: 0
> > FDIV: 0
> > Compression: 0
> > image_count: 0
> > Closing Camera
> > Closing Client
> >
> >
> > Using  playerc_camera_save(cam, "test_image.ppm");  file is created,
> > however it is only 11 bytes long containing:
> >
> > P6
> > 0 0
> > 255
> >
> >
> > This is how I am initializing the camera:
> >
> > printf("Creating Camera\n");
> > cam = playerc_camera_create(client, 0);
> > if (0 != playerc_camera_subscribe(cam, PLAYER_OPEN_MODE))
> >         return -1;
> >
> >
> >
> > Meanwhile I can use mplayer to view video, so I know the hardware is working.
> > Does anyone know what is going on here?
> >
> > Thanks,
> >
>
> --
> Robotics research group, University of Auckland
> http://www.ece.auckland.ac.nz/~gbig005/
>
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-- 
Eric Innis
Georgia Institute of Technology
Electrical and Computer Engineering: GRITS Lab.
Aerospace Engineering: Computational Combustion Lab.
404.312.0950