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Re: [Spca50x-devs] Fwd: Re: FYI: status of 0ac8:307b




Le mercredi 9 avril 2008 16:17, jmarco a écrit :
> Michel Xhaard a écrit :
> > Jmarc,
> > your webcam stream but somethings goes wrong with the sensor data.
> > start
> > spcaview -d /dev/video0 -f jpg -s 640x480
> > when you have the focus on the spcaview windows press the "s" key and
> > send me the resulting picture found in the current directory,
>
> debian:/home/jmarc# spcaview -d /dev/video0 -f jpg -s 640x480
>   Spcaview version: 1.1.8 date: 25:12:2007 (C) mxhaard@xxxxxxxx
>   size width: 640 height: 480
> Initializing SDL.
> SDL initialized.
> bpp 3 format 21
> Using video device /dev/video0.
> Initializing v4l.
> **************** PROBING CAMERA *********************
> Camera found: LDLC OV7620+VC302
> Bridge found: ZC301-2
> StreamId: JPEG Camera
> quality 1 autoexpo 1 Timeframe 0 lightfreq 50
> Available Resolutions width 640  heigth 480 native *
> Available Resolutions width 352  heigth 288 decoded
> Available Resolutions width 320  heigth 240 native
> Available Resolutions width 176  heigth 144 decoded
> unable to probe size !!
> *****************************************************
>   grabbing method default MMAP asked
> VIDIOCGMBUF size 2457616  frames 2  offets[0]=0 offsets[1]=1228808
> VIDIOCGPICT
> brightnes=32768 hue=0 color=0 contrast=32768 whiteness=0
> depth=8 palette=21
> VIDIOCSPICT
> brightness=32768 hue=0 color=0 contrast=32768 whiteness=0
> depth=24 palette=21
>
> cvsync err
>
> : Interrupted system call
>
> cvsync err
>
> : Interrupted system call
>
> Used 12186ms for 2 images => 6093ms/image 0fps.
> Quiting SDL.
> Decoded frames:2 Average decode time: 0.000000
> unmapping
> closing
> closed
> Destroy Picture thread ...
> Quiting....
>
>
> =====> ecran noir
>
> do the same with  :
> > spcaview -d /dev/video0 -f jpg -s 320x240
>
> debian:/home/jmarc# spcaview -d /dev/video0 -f jpg -s 320x240
>   Spcaview version: 1.1.8 date: 25:12:2007 (C) mxhaard@xxxxxxxx
>   size width: 320 height: 240
> Initializing SDL.
> SDL initialized.
> bpp 3 format 21
> Using video device /dev/video0.
> Initializing v4l.
> **************** PROBING CAMERA *********************
> Camera found: LDLC OV7620+VC302
> Bridge found: ZC301-2
> StreamId: JPEG Camera
> quality 1 autoexpo 1 Timeframe 0 lightfreq 50
> Available Resolutions width 640  heigth 480 native
> Available Resolutions width 352  heigth 288 decoded
> Available Resolutions width 320  heigth 240 native *
> Available Resolutions width 176  heigth 144 decoded
> unable to probe size !!
> *****************************************************
>   grabbing method default MMAP asked
> VIDIOCGMBUF size 2457616  frames 2  offets[0]=0 offsets[1]=1228808
> VIDIOCGPICT
> brightnes=32768 hue=0 color=0 contrast=32768 whiteness=0
> depth=8 palette=4
> VIDIOCSPICT
> brightness=32768 hue=0 color=0 contrast=32768 whiteness=0
> depth=24 palette=21
>
> cvsync err
>
> : Interrupted system call
>
> cvsync err
>
> : Interrupted system call
>
> Used 18712ms for 2 images => 9356ms/image 0fps.
> Quiting SDL.
> Decoded frames:2 Average decode time: 0.000000
> unmapping
> closing
> closed
> Destroy Picture thread ...
> Quiting....
>
>
> =======> ecran noir
>
> > thanks
> > --
> > Michel Xhaard
> > http://mxhaard.free.fr
>
> It's time to have a coffee...
>
> Jmarc
>
>
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Jmarc
Seem strange :( your last mail give:
-->ecran ouvert, des rayures de toutes les couleurs

Used 11056ms for 66 images => 167ms/image 5fps.
Quiting SDL.
Decoded frames:66 Average decode time: 57.000000
unmapping
closing
closed
Destroy Picture thread ...
Quiting....
Where this 5 frame per second come from ?
regards
-- 
Michel Xhaard
http://mxhaard.free.fr

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