Cam worked fine with all applications until a part-time dual istallation of 
Win XP.

Since then i only get a quarter (upper left) of the Cam's view, with cheese 
i could set it to a unnatural resolution of 1280x1024 for showing me the 
whole view, but ignored by e.g. skype - and still a extremely dark picture 
probably only with b/w content and completely wrong refresh-rate.

Already tried to reinstall XP for maybe being allowed to "reset" the cam's 
settings to get it to work again with the ubuntustudio 10.04, no success 
yet.

I'd appreciate it if you could give some helping ideas.

Regards,
Benny




Informations:


----------------------------------------------------------------------------------------

Bus 001 Device 006: ID 0402:5606 ALi Corp. USB 2.0 Camera
(XP: Bison Cam 1.3 MPx Driver, it's a built in).


----------------------------------------------------------------------------------------

libv4l2: error converting / decoding frame data: v4l-convert: error parsing 
JPEG header: Not a JPG file ?


----------------------------------------------------------------------------------------

v4l-conf: using X11 display :0.0
dga: version 2.0
mode: 1280x800, depth=24, bpp=32, bpl=28, base=unknown
/dev/video1 [v4l2]: no overlay support


----------------------------------------------------------------------------------------

$gstreamer-properties 
gstreamer-properties-Message: Skipping unavailable plugin 'artsdsink'
gstreamer-properties-Message: Skipping unavailable plugin 'esdsink'
gstreamer-properties-Message: Skipping unavailable plugin 'glimagesink'
gstreamer-properties-Message: Skipping unavailable plugin 'sdlvideosink'
gstreamer-properties-Message: Skipping unavailable plugin 'v4lmjpegsrc'
gstreamer-properties-Message: Skipping unavailable plugin 'qcamsrc'
gstreamer-properties-Message: Skipping unavailable plugin 'esdmon'


----------------------------------------------------------------------------------------

### v4l2 device info [/dev/video1] ###
general info
    VIDIOC_QUERYCAP
    driver                  : "uvcvideo"
    card                    : "USB2.0 Camera"
    bus_info                : "usb-0000:00:1a.7-2"
    version                 : 0.1.0
    capabilities            : 0x4000001 
[VIDEO_CAPTURE,STREAMING]

standards

inputs
    VIDIOC_ENUMINPUT(0)
    index                   : 0
    name                    : "Camera 1"
    type                    : CAMERA
    audioset                : 0
    tuner                   : 0
    std                     : 0x0 []
    status                  : 0x0 []

video capture
    VIDIOC_ENUM_FMT(0,VIDEO_CAPTURE)
    index                   : 0
    type                    : VIDEO_CAPTURE
    flags                   : 1
    description             : "MJPEG"
    pixelformat             : 0x47504a4d [MJPG]
    VIDIOC_ENUM_FMT(1,VIDEO_CAPTURE)
    index                   : 1
    type                    : VIDEO_CAPTURE
    flags                   : 0
    description             : "YUV 4:2:2 (YUYV)"
    pixelformat             : 0x56595559 [YUYV]
    VIDIOC_G_FMT(VIDEO_CAPTURE)
    type                    : VIDEO_CAPTURE
    fmt.pix.width           : 640
    fmt.pix.height          : 480
    fmt.pix.pixelformat     : 0x47504a4d [MJPG]
    fmt.pix.field           : NONE
    fmt.pix.bytesperline    : 0
    fmt.pix.sizeimage       : 2621440
    fmt.pix.colorspace      : unknown
    fmt.pix.priv            : 0

controls
    VIDIOC_QUERYCTRL(BASE+0)
    id                      : 9963776
    type                    : INTEGER
    name                    : "Brightness"
    minimum                 : 0
    maximum                 : 100
    step                    : 1
    default_value           : 50
    flags                   : 0
    VIDIOC_QUERYCTRL(BASE+1)
    id                      : 9963777
    type                    : INTEGER
    name                    : "Contrast"
    minimum                 : 0
    maximum                 : 6
    step                    : 1
    default_value           : 4
    flags                   : 0
    VIDIOC_QUERYCTRL(BASE+2)
    id                      : 9963778
    type                    : INTEGER
    name                    : "Saturation"
    minimum                 : 0
    maximum                 : 8
    step                    : 1
    default_value           : 0
    flags                   : 0
    VIDIOC_QUERYCTRL(BASE+3)
    id                      : 9963779
    type                    : INTEGER
    name                    : "Hue"
    minimum                 : -4
    maximum                 : 4
    step                    : 1
    default_value           : 0
    flags                   : 0

### video4linux device info [/dev/video1] ###
general info
    VIDIOCGCAP
    name                    : "USB2.0 Camera"
    type                    : 0x1 [CAPTURE]
    channels                : 1
    audios                  : 0
    maxwidth                : 1280
    maxheight               : 1024
    minwidth                : 48
    minheight               : 32

channels
    VIDIOCGCHAN(0)
    channel                 : 0
    name                    : "Camera 1"
    tuners                  : 0
    flags                   : 0x0 []
    type                    : CAMERA
    norm                    : 0

tuner
ioctl VIDIOCGTUNER: Invalid argument

audio
ioctl VIDIOCGAUDIO: Invalid argument

picture
    VIDIOCGPICT
    brightness              : 32112
    hue                     : 32768
    colour                  : 16384
    contrast                : 10923
    whiteness               : 37449
    depth                   : 0
    palette                 : unknown

buffer
ioctl VIDIOCGFBUF: Invalid argument

window
    VIDIOCGWIN
    x                       : 0
    y                       : 0
    width                   : 640
    height                  : 480
    chromakey               : 0
    flags                   : 0


----------------------------------------------------------------------------------------

        
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