add USB camera device in zm doesnt work , xawt works fine

[wolfram]

Hello all, maybe somebody can help me out with this:
I checked already the forum search but didnt find exactly what is my problem.

My problem: i use USB webcam from Philips with pwc drivers:

lsusb gives this:
Bus 002 Device 003: ID 0471:0311 Philips PCVC740K ToUcam Pro [pwc]

xawtv works fine.

When I add the new camera to zm i was not sure how to enter the device channel and device path:
path:
dev/video
or
dev/video0
or
/dev/video
or
/dev/video0
and channel ? what is needed here exactly. Isn t the 0 from video0 the channel ?

The logfile gives me this:
03/04/06 11:11:29.237592 zmdc[14054].INF ['zmc -d /dev/video' starting at 06/03/04 11:11:29, pid = 27091]
03/04/06 11:11:29.566561 zmdc[14054].ERR ['zmc -d /dev/video' crashed, exit status 255]
03/04/06 11:11:39.653827 zmdc[27095].INF ['zmc -d /dev/video' started at 06/03/04 11:11:39]
03/04/06 11:11:39.662196 zmdc[14054].INF ['zmc -d /dev/video' starting at 06/03/04 11:11:39, pid = 27095]

OK not forget to mention, I get no image in zm, but in xawtv

Ok one last question what is the meaning of the different colours in the web page for function and source.
I see green, red and yellow?

Questions and questions.
If someone can get me some ideas here would be very appreciated.

regards wolfram

[wiggsdannyboy]

I had to try every pallette setting to get a picture, the last one in the list worked.
Also make sure the resolution values are filled in and are correct.

[wiggsdannyboy]

Yellow means the device settings are correct and the camera is ready to go.
Red means it isnt working.
I think green is for Record mode.

[wolfram]

when I run XAWTV the camera LED lights are on. And I see the picture with xawtv, when I change to zoneminder the leds went off again. xawtv switchs them on again. I assume the driver does somewhat invalid to the webcam what the "camera doesn t like".
I tried nearly all settings but no image at all.
How can I find out if and what exactly zoneminder tries to do ?

wolfram

[zoneminder]

Can you increase the debug level of the zmc process? The README should tell you how to do it.

[johabba]

I'm using pwc drivers with a logitech quickcam 4000. My settings for this cam:

Source type is local
Device Path is /dev/video0 (it should tell you in the output of 'dmesg' which video device it attaches to)
Device channel is 0
Device format is 1
Capture Pallette is YUV420p
Cature width 320
Capture height 280

I don't think i changed any of the other options under source. I got these values by running:

zmu -q -d/dev/video0 -v

and....

v4l-info /dev/video0

NOTE: make sure ZM, xawtv, or anything else using the webcam is off when you do the above.
---------

Hope this helps.

[wolfram]

Hello all,
thank you for the replys.
I did try to set the debug flags (_zmc and level 9) , I restarted zm , but where are the additional debug files created
in the zmdc.log i get the following:

*** glibc detected *** realloc(): invalid next size: 0x0db06ab0 ***
03/08/06 21:25:40.696443 zmdc[13280].INF ['zmc -d /dev/video0' died, signal 6]
03/08/06 21:25:50.787054 zmdc[13447].INF ['zmc -d /dev/video0' started at 06/03/08 21:25:50]
03/08/06 21:25:50.791946 zmdc[13280].INF ['zmc -d /dev/video0' starting at 06/03/08 21:25:50, pid = 13447]
*** glibc detected *** realloc(): invalid next size: 0x0db06ab0 ***
03/08/06 21:25:51.208060 zmdc[13280].INF ['zmc -d /dev/video0' died, signal 6]


and the following in zmwatch
....
r/local/bin/zmwatch.pl line 118
03/08/06 21:28:37.724205 zmwatch[13324].INF [Restarting capture daemon for garage, shared memory not valid]
03/08/06 21:28:39.045767 zmwatch[13324].INF ['zmc -d /dev/video0' starting at 06/03/08 21:28:38, pid = 13771] at /usr/local/bin/zmwatch.pl line 118
03/08/06 21:28:49.052649 zmwatch[13324].INF [Restarting capture daemon for garage, shared memory not valid]
03/08/06 21:28:50.317183 zmwatch[13324].INF ['zmc -d /dev/video0' started at 06/03/08 21:28:50] at /usr/local/bin/zmwatch.pl line 118
....

What is the problem with the shared memory ? and how can I solve that ?

Regards Wolfram

[zoneminder]

One of the config options you set for the extra debug determines where the debug logs go. It's usually /tmp by default I think.

[pinthugs]

I'm in the same boat, USB logitech quickcam works in xawtv (with warnings) but didn't in zm. First step was getting the cam working in xawtv - I went to qce-ga.sourceforge.net and got those drivers running (had to install gcc to set that up...)

Already had ZM running with a 4-port BT card as /dev/video0, so the USB cam appeared as /dev/video1

Then I ran v4l-info /dev/video1 and found the cam has a strange capture resolution - once I put that into the ZM window, all was good. Thanks for the tip!

tom