gspca (ubuntu 8.10) and sonixj camera problems

gspca (ubuntu 8.10) and sonixj camera problems

[Janusz Jurski]

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Hi All,

My system configuration is as folows:
- clean Ubuntu8.10 (live CD) - kernel 2.6.27
- my USB sonixj camera connected - it is 0c45:612a Microdia PC Camera 
(SN9C110)
- dmesg shows no errors or suspicious messages

Problem: I cannot get any application to work with my camera. Even svv 
mentioned in http://moinejf.free.fr/gspca_README.txt does not work. Logs 
for svv and streamer are below. Attached is also a raw file generated 
with svv (just 2kB in size). The logs show JPEG conversion errors. 
Anyone has a similar problem? Any helpful ideas on what to do?

I appreciate your help.
Thanks,
JJ

svv returns the following errors (or similar - it often asks for a 
different number of bits, sometimes it complains about unknown huffman 
code during JPEG decompression):

ubuntu@ubuntu:~/Desktop$ ./svv
raw pixfmt: JPEG 640x480
pixfmt: RGB3 640x480
mmap method
libv4lconvert: Error decompressing JPEG: fill_nbits error: need 2 more 
bits
libv4lconvert: Error decompressing JPEG: fill_nbits error: need 2 more 
bits
libv4lconvert: Error decompressing JPEG: fill_nbits error: need 2 more 
bits
libv4lconvert: Error decompressing JPEG: fill_nbits error: need 2 more 
bits
libv4lconvert: Error decompressing JPEG: fill_nbits error: need 2 more 
bits
ubuntu@ubuntu:~/Desktop$

streamer (another application that I tried) returns a similar conversion 
error:
ubuntu@ubuntu:~/Desktop$ LD_PRELOAD=/usr/local/lib/libv4l/v4l1compat.so 
streamer -o a.jpeg
files / video: JPEG (JFIF) / audio: none
libv4l2: error converting / decoding frame data: v4l-convert: error 
parsing JPEG header: Not a JPG file ?


ioctl: VIDIOC_DQBUF(index=0;type=VIDEO_CAPTURE;bytesused=406;flags=0x1 
[MAPPED];field=NONE;;timecode.type=0;timecode.flags=0;timecode.frames=0;timecode.seconds=0;timecode.minutes=0;timecode.hours=0;timecode.userbits="";sequence=0;memory=MMAP): 
Input/output error
^C^C - one moment please
libv4l2: error converting / decoding frame data: v4l-convert: error 
parsing JPEG header: Not a JPG file ?


ioctl: VIDIOC_DQBUF(index=1;type=VIDEO_CAPTURE;bytesused=406;flags=0x1 
[MAPPED];field=NONE;;timecode.type=0;timecode.flags=0;timecode.frames=0;timecode.seconds=0;timecode.minutes=0;timecode.hours=0;timecode.userbits="";sequence=0;memory=MMAP): 
Input/output error
ubuntu@ubuntu:~/Desktop$

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Re: gspca (ubuntu 8.10) and sonixj camera problems

[Jean-Francois Moine]

On Wed, 2008-12-31 at 00:27 +0100, Janusz Jurski wrote:
> Hi All,

Hi Janusz,

> My system configuration is as folows:
> - clean Ubuntu8.10 (live CD) - kernel 2.6.27
> - my USB sonixj camera connected - it is 0c45:612a Microdia PC Camera 
> (SN9C110)
> - dmesg shows no errors or suspicious messages
> 
> Problem: I cannot get any application to work with my camera. Even svv 
> mentioned in http://moinejf.free.fr/gspca_README.txt does not work. Logs 
> for svv and streamer are below. Attached is also a raw file generated 
> with svv (just 2kB in size). The logs show JPEG conversion errors. 
> Anyone has a similar problem? Any helpful ideas on what to do?
> 
> I appreciate your help.

Did you get the last gspca from my repository?

Regards.

-- 
Ken ar c'hentañ |             ** Breizh ha Linux atav! **
Jef             |               http://moinejf.free.fr/


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Re: gspca (ubuntu 8.10) and sonixj camera problems

[Janusz Jurski]

On 31 Dec 2008 at 18:49, Jean-Francois Moine wrote:
> Did you get the last gspca from my repository?

No, I did not as I thought that the distro already contains one of the 
most recent versions of the drivers.

I have just done this and YES, IT SOLVED THE PROBLEM. Now all apps work!

Thank you very much for your (quite obvious) suggestion.
Best regards,
JJ

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