For all distribution there is both a qt3 as well as a qt4, also for debian.

You have to install the devel packages and link to the right libraries.

Willem

Ilyes Gouta wrote:

>Hi Daniel,
>
>Yes I suspected it. So it's a conflict between Qt versions.
>
>Well unfortunately no, I'm not aware of any other application that's 
>able to display raw bayer streams. Could you get access to a Fedora 
>machine and test the stuff on it? There is another point. The driver is 
>supposed to be compiled for 2.6.24-rc kernels and not for the old 
>2.6.18. I think the developers have also updated the V4L2 API meanwhile 
>along with a hefty bunch of fixes for the USB stack.
>
>BR,
>Ilyes Gouta.
>
>Dan¡el Alejandro Fuentes wrote:
>  
>
>>Hi,
>>
>>my system is a Debian etch, with kernel 2.6.18.
>>I am not entirely sure, but I think my version of Qt is 4.2 (at least, 
>>is the version are be showing in the Qt's libraries in /usr/lib).
>>However, livecam appears to be compiled and linked with qt 3.3.7.
>>
>>I installed libraries (from the repositories of Debian) with debugging 
>>symbols, and gdb throws me:
>>     35          QApplication App(argc, argv);
>>   (gdb) next
>>
>>   Program received signal SIGFPE, Arithmetic exception.
>>   0xb795dd05 in create_dpis () at kernel/qpaintdevice_x11.cpp:531
>>   531     kernel/qpaintdevice_x11.cpp: No existe el fichero o el 
>>directorio.
>>           in kernel/qpaintdevice_x11.cpp
>>
>>So you reason, the problem is in my Qt libraries.
>>I will continue to seek a solution, meanwhile
>>Is this the driver in a position to be tested with another application? 
>>(for instance: xawtv)
>>
>>Daniel
>>
>>Ilyes Gouta escribió:
>>    
>>
>>>Hi Daniel,
>>>
>>>I've never seen this kind of errors in Qt or LiveCam. Can you provide 
>>>me with more details concerning your machine, OS, etc. Can you get 
>>>exactly the instruction where the program crashes? (for example in 
>>>gdb, you can do: disass 0xb78ebd00 0xb78ebd10 to disassemble the 
>>>machine code). 0xb78ebd05 is in the destructor of QPaintDevice and 
>>>that's rather strange... Could you try to update your Qt library?
>>>
>>>BR,
>>>Ilyes Gouta.
>>>
>>>Dan¡el Alejandro Fuentes wrote:
>>>      
>>>
>>>>Hi,
>>>>
>>>>after updating and compiling (configure && make && make install),
>>>>I can't execute livecam (Exception floating point).
>>>>I do't have experience using gdb, he give me:
>>>>
>>>>   (gdb) start -dograb
>>>>   Breakpoint 1 at 0x804e566: file main.cpp, line 36.
>>>>   Starting program: /home/daniel/proyectos/livecam/trunk/livecam 
>>>>-dograb
>>>>   [Thread debugging using libthread_db enabled]
>>>>   [New Thread -1233844544 (LWP 15859)]
>>>>   [Switching to Thread -1233844544 (LWP 15859)]
>>>>   main (argc=2, argv=0xbfe0b5b4) at main.cpp:36
>>>>   36          V4L2Viewer Viewer;
>>>>   (gdb) next
>>>>   33      int main(int argc, char **argv)
>>>>   (gdb) next
>>>>   35          QApplication App(argc, argv);
>>>>    gdb) next
>>>>   33      int main(int argc, char **argv)
>>>>   (gdb) next
>>>>   35          QApplication App(argc, argv);
>>>>   (gdb) next
>>>>     Program received signal SIGFPE, Arithmetic exception.
>>>>   0xb78ebd05 in QPaintDevice::~QPaintDevice () from 
>>>>/usr/lib/libqt-mt.so.3
>>>>   (gdb) info line
>>>>   Line 35 of "main.cpp" starts at address 0x804e56f <main+31> and 
>>>>ends at 0x804e572 <main+34>.
>>>>
>>>>Moreover, the branch m5602-ov9560-2, compiles and inserted correctly.
>>>>Runing dmesg:
>>>>
>>>>   m560x/branches/m5602-ov9650-2/m5602.c: usb_m5602_init - WebCam 
>>>>driver startup
>>>>   m560x/branches/m5602-ov9650-2/m5602.c: BisonCam webcam found.
>>>>   m560x/branches/m5602-ov9650-2/m5602.c: [usb_m5602_probe:871] cam 
>>>>cc788000
>>>>   m560x/branches/m5602-ov9650-2/m5602.c: 
>>>>[m5602_initialize_camera:253] m5602_initialize_camera
>>>>   m560x/branches/m5602-ov9650-2/m5602.c: m5602_probe - m5602 WebCam 
>>>>driver is now controlling video device 0
>>>>   usbcore: registered new driver m5602
>>>>   m560x/branches/m5602-ov9650-2/m5602.c: 0.1.0:M5602 Webcam Driver
>>>>
>>>>Daniel Fuentes
>>>>
>>>>Ilyes Gouta escribió:
>>>>        
>>>>
>>>>>Hi Fellow,
>>>>>
>>>>>I updated the m5602-ov9560-2 and livecam branches yesterday and I 
>>>>>was wondering if you guys could give it a shot just to see if you 
>>>>>can get something (using livecam, bayer stream only) from your sensors.
>>>>>
>>>>>Just to recall it a bit, you can check out your livecam from the 
>>>>>following URL:
>>>>>
>>>>>https://livecam.svn.sourceforge.net/svnroot/livecam/trunk
>>>>>
>>>>>LiveCam has the ability to alter the pitch of the pictures on the 
>>>>>fly. The option is available through Debug | Adjust Pitch, from the 
>>>>>application's menu.
>>>>>
>>>>>Waiting for your reports.
>>>>>
>>>>>BR,
>>>>>Ilyes Gouta.
>>>>>
>>>>>------------------------------------------------------------------------- 
>>>>>
>>>>>SF.Net email is sponsored by: The Future of Linux Business White Paper
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>>>>>
>>>>>  
>>>>>          
>>>>>
>>>>              __________________________________________________ 
>>>>Preguntá. Respondé. Descubrí. Todo lo que querías saber, y lo que ni 
>>>>imaginabas, está en Yahoo! Respuestas (Beta). ¡Probalo ya! 
>>>>http://www.yahoo.com.ar/respuestas
>>>>
>>>>        
>>>>
>>    
>>
>>    
>>       
>>__________________________________________________ Preguntá. Respondé. 
>>Descubrí. Todo lo que querías saber, y lo que ni imaginabas, está en 
>>Yahoo! Respuestas (Beta). ¡Probalo ya! http://www.yahoo.com.ar/respuestas
>>
>>    
>>
>
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>  
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