new install : black frames

chandi · Post by **chandi** » Wed Mar 11, 2009 2:25 am

Hi,

I have a Creative Webcam Live! which works fine with xawtv but gives me only black frames with zoneminder. The driver is the latest gspcav1.

When I click on the monitor I see no image (not event a black one) and it says IDLE 0.0fps but when it creates events it makes black frames with the timestamp on it. I can see no errors in log files. /var/log/messages says it's capturing at 23.89fps.

Code: Select all

linux# zmu -d /dev/video0 -q -v 
Video Capabilities
  Name: Creative Live! 
  Type: 1
    Can capture
  Video Channels: 1
  Audio Channels: 0
  Maximum Width: 640
  Maximum Height: 480
  Minimum Width: 160
  Minimum Height: 120
Window Attributes
  X Offset: 0
  Y Offset: 0
  Width: 320
  Height: 240
Picture Attributes
  Palette: 4 - 24bit RGB
  Colour Depth: 24
  Brightness: 32768
  Hue: 0
  Colour :0
  Contrast: 32768
  Whiteness: 0
Channel 0 Attributes
  Name: ZC301-2
  Channel: 0
  Flags: 0
  Type: 2 - Camera
  Format: 0 - PAL

Any idea what to do ?

Thanks,

Chandi

kingofkya · Post by **kingofkya** » Wed Mar 11, 2009 3:04 am

information like distro would be nice but anyways

did you set your shared memory setting?
if so go look at the logs(location is listed in zoneminder config).

chandi · Post by **chandi** » Wed Mar 11, 2009 12:59 pm

Hi,

sorry for the lack of information.

ZM_VERSION=1.23.3
Linux goa 2.6.22-gentoo-r5 #13 PREEMPT
Bus 001 Device 003: ID 041e:4036 Creative Technology, Ltd Webcam Live!/Live! Pro

I had problems with shared memory but I fixed them.
linux # ipcs -m
------ Shared Memory Segments --------
key shmid owner perms bytes nattch status
0x00000000 32768 root 777 442368 0
0x7a6d0001 294913 apache 700 23041668 2

The second one is zoneminder's.

Thanks,

Chandi

chandi · Post by **chandi** » Mon Mar 16, 2009 2:29 pm

What is strang is that I can save videos/stills from the webcam using xawtv and streamer.

Why would zoneminder see those as black frames then ? I don't understand

chandi · Post by **chandi** » Tue Mar 17, 2009 1:03 pm

It now works... I have upgraded to the latest 1.24 release and that fixed it.

Thanks,

Chandi