v4l2?

[Ralph Müller-Welt]

Hi, is camsource beeing worked on for video4linux2 support?

I do need that for my webcam (uvcvideo module).

bye,
Ralph.

[Anonymous]

According to the homepage, camsource requires v4l1 or v4l2. I think I'm using v4l2. Quote webpage: "Hardware supported by video4linux or video4linux 2."

Sounds like you haven't even tried it.

-Jay

[Ralph Müller-Welt]

Sorry, that (2006-07-26 10:20) reply should have gone here!

Ralph.

[Ralph Müller-Welt]

Am Mittwoch, 26. Juli 2006 10:26 schrieb Ralph Müller-Welt:
> I tried the following for my Logitech QuickCam Sphere/Orbit (ID 046d:08c2)
> with uvcvideo (http://developer.berlios.de/projects/linux-uvc/, Rev. 44)
> on /dev/video1:

Since nothing happened on that forum i googled for a v4l2-enabled version of camsource and found it on http://koti.mbnet.fi/~turja/vino/ at the download-section.

> Minimal config.
> <?xml version="1.0"?>
> <camsourceconfig>
>  <camdev name="default" active="yes">
  <plugin>input_v4l2</plugin>
>  <path>/dev/video1</path>
>  </camdev>
>  <logfile>~/.camsource.log</logfile>
  <module name="input_v4l2" active="yes"/>
>  <module name="filewrite" active="yes">
>  <path>~/camera.jpg</path>
>  <interval unit="sec">30</interval>
>  <chmod>0644</chmod>
>  </module>
> </camsourceconfig>

> Output is
Camsource 0.7.1 starting up...
[Aug 09 2006 01:31:32] Loading modules:
[Aug 09 2006 01:31:32]   input_v4l2 (alias input_v4l2) version 0.7.1 OK
[Aug 09 2006 01:31:32]   jpeg_comp (alias jpeg_comp) version 0.7.1 OK
[Aug 09 2006 01:31:32]   filewrite (alias filewrite) version 0.7.1 OK
[Aug 09 2006 01:31:32]
[Aug 09 2006 01:31:32 / input_v4l2] Capability info for /dev/video1:
[Aug 09 2006 01:31:32 / input_v4l2]   Name: uvcvideo
[Aug 09 2006 01:31:32 / input_v4l2]     Card: USB Video Class device
[Aug 09 2006 01:31:32 / input_v4l2]     Bus: 0000:00:10.4
[Aug 09 2006 01:31:32 / input_v4l2]     Can capture to memory
[Aug 09 2006 01:31:32 / input_v4l2]     Overlay is not supported
[Aug 09 2006 01:31:32 / input_v4l2]     Streaming is supported
[Aug 09 2006 01:31:32 / input_v4l2]     Direct read/write is not supported
[Aug 09 2006 01:31:32 / input_v4l2]     Doesn't have a tuner
[Aug 09 2006 01:31:32 / input_v4l2]     Cannot receive teletext
[Aug 09 2006 01:31:32 / input_v4l2]     Cannot output video
[Aug 09 2006 01:31:32 / input_v4l2]     Cannot output teletext
[Aug 09 2006 01:31:32 / input_v4l2]
[Aug 09 2006 01:31:32 / input_v4l2] Input 0:
[Aug 09 2006 01:31:32 / input_v4l2]   Name: Camera
[Aug 09 2006 01:31:32 / input_v4l2]     Type: camera
[Aug 09 2006 01:31:32 / input_v4l2]     Power: on
[Aug 09 2006 01:31:32 / input_v4l2]     Signal detected
[Aug 09 2006 01:31:32 / input_v4l2]     Color detected
[Aug 09 2006 01:31:32 / input_v4l2]
[Aug 09 2006 01:31:32 / input_v4l2] Palette information:
[Aug 09 2006 01:31:32 / input_v4l2]   Currently active palette: yuyv (16bpp) with depth 24
[Aug 09 2006 01:31:32 / input_v4l2]   Probing for supported palettes:
[Aug 09 2006 01:31:32 / input_v4l2]     Palette "bgr24" supported: No
[Aug 09 2006 01:31:32 / input_v4l2]     Palette "rgb24" supported: No
[Aug 09 2006 01:31:32 / input_v4l2]     Palette "bgra32" supported: No
[Aug 09 2006 01:31:32 / input_v4l2]     Palette "rgba32" supported: No
[Aug 09 2006 01:31:32 / input_v4l2]     Palette "abgr32" supported: No
[Aug 09 2006 01:31:32 / input_v4l2]     Palette "argb32" supported: No
[Aug 09 2006 01:31:32 / input_v4l2]     Palette "yuyv (16bpp)" supported: Yes, with depth 24
[Aug 09 2006 01:31:32 / input_v4l2]     Palette "yuv422 (16 bpp)" supported: No
[Aug 09 2006 01:31:32 / input_v4l2]     Palette "rgb565" supported: No
[Aug 09 2006 01:31:32 / input_v4l2]     Palette "rgb555" supported: No
[Aug 09 2006 01:31:32 / input_v4l2]     Palette "yuv420 planar (12 bpp)" supported: No
[Aug 09 2006 01:31:32 / input_v4l2]     Palette "yuv420 (12 bpp)" supported: No
[Aug 09 2006 01:31:32 / input_v4l2]     Palette "grayscale (8 bpp)" supported: No
[Aug 09 2006 01:31:32 / input_v4l2]
[Aug 09 2006 01:31:32 / input_v4l2] Enumerating image controls:
[Aug 09 2006 01:31:33 / input_v4l2]   Control: Brightness
[Aug 09 2006 01:31:33 / input_v4l2]     Type: integer Minimum: 00000 Maximum: 00255 Default: 00127 Step: 001
[Aug 09 2006 01:31:33 / input_v4l2]   Control: Contrast
[Aug 09 2006 01:31:33 / input_v4l2]     Type: integer Minimum: 00000 Maximum: 00255 Default: 00032 Step: 001
[Aug 09 2006 01:31:33 / input_v4l2]   Control: Saturation
[Aug 09 2006 01:31:33 / input_v4l2]     Type: integer Minimum: 00000 Maximum: 00255 Default: 00032 Step: 001
[Aug 09 2006 01:31:33 / input_v4l2]   Control: Gamma
[Aug 09 2006 01:31:33 / input_v4l2]     Type: integer Minimum: 00100 Maximum: 00220 Default: 00220 Step: 120
[Aug 09 2006 01:31:33 / input_v4l2]   Control: Gain
[Aug 09 2006 01:31:33 / input_v4l2]     Type: integer Minimum: 00000 Maximum: 00255 Default: 00000 Step: 001
[Aug 09 2006 01:31:33 / input_v4l2]
[Aug 09 2006 01:31:33 / input_v4l2]   Enumerating private (driver-specific) image controls:
[Aug 09 2006 01:31:33 / input_v4l2]   Control 000: Backlight Compensation
[Aug 09 2006 01:31:33 / input_v4l2]     Type: integer Minimum: 00000 Maximum: 00002 Default: 00001 Step: 001
[Aug 09 2006 01:31:33 / input_v4l2]   Control 001: Power Line Frequency
[Aug 09 2006 01:31:33 / input_v4l2]     Disabled
[Aug 09 2006 01:31:33 / input_v4l2]     50 Hz
[Aug 09 2006 01:31:33 / input_v4l2]     60 Hz
[Aug 09 2006 01:31:33 / input_v4l2]   Control 002: Sharpness
[Aug 09 2006 01:31:33 / input_v4l2]     Type: integer Minimum: 00000 Maximum: 00255 Default: 00180 Step: 001
[Aug 09 2006 01:31:33]

> Camsource doesn't write a log!
Same using input_v4l or input_v4l2.
No Logfile written.

> And /var/log/messages contains
Nothing using the input_v4l2 plugin.

But after all, there is no image written,
no webcam-light is flasching!
Not with input_v4l2 nor with input_v4l.

So i don't know whats wrong here.
> Anyone can help?

Yours
Ralph.
> PS: CC 2 uvcvideo-mailinglist

[Ralph Müller-Welt]

I tried the following for my Logitech QuickCam Sphere/Orbit (ID 046d:08c2) with uvcvideo (http://developer.berlios.de/projects/linux-uvc/) on /dev/video1:

Minimal config.
<?xml version="1.0"?>

<camsourceconfig>
        <camdev name="default" active="yes">
                <plugin>input_v4l</plugin>
                <path>/dev/video1</path>
        </camdev>
        <logfile>~/.camsource.log</logfile>

        <module name="input_v4l" active="yes"/>
        <module name="filewrite" active="yes">
                <path>~/camera.jpg</path>
                <interval unit="sec">30</interval>
                <chmod>0644</chmod>
        </module>
</camsourceconfig>

Output is
Camsource 0.7.0 starting up...
Loading modules:
  input_v4l (alias input_v4l) version 0.7.0 OK
  jpeg_comp (alias jpeg_comp) version 0.7.0 OK
  filewrite (alias filewrite) version 0.7.0 OK

Capability info for /dev/video1:
  Name: USB Video Class device
    Can capture to memory
    Doesn't have a tuner
    Cannot receive teletext
    Overlay is not chromakeyed
    Overlay clipping is not supported
    Overlay doesn't overwrite frame buffer mem
    Hardware image scaling not supported
    Captures in color
    Can capture the complete image
  Number of channels: 1
  Number of audio devices: 0
  Grabbing frame size:
    Min: 48x32
    Max: 960x720

Palette information:
  Currenctly active palette: not found/supported? (value 0, depth 32821)
  Probing for supported palettes:
    Palette "bgr24" supported: No
    Palette "rgb24" supported: No
    Palette "bgr32" supported: No
    Palette "rgb32" supported: No
    Palette "yuyv (16 bpp)" supported: No
    Palette "yuv422 (16 bpp)" supported: No
    Palette "rgb565" supported: No
    Palette "rgb555" supported: No
    Palette "yuv420 planar (12 bpp)" supported: No
    Palette "yuv420 (12 bpp)" supported: No
    Palette "grayscale (8 bpp)" supported: No

Camsource doesn't write a log!

And /var/log/messages contains
Jul 26 10:01:52 RalphiX kernel: uvcvideo: Failed to query (135) UVC control 2 (unit 2) : -110.
Jul 26 10:01:52 RalphiX kernel: uvcvideo: Failed to query (130) UVC control 2 (unit 2) : -75.
Jul 26 10:01:52 RalphiX kernel: uvcvideo: Failed to query (131) UVC control 2 (unit 2) : -32.
Jul 26 10:01:53 RalphiX kernel: uvcvideo: Failed to query (135) UVC control 2 (unit 2) : -110.
Jul 26 10:01:53 RalphiX kernel: uvcvideo: Failed to query (130) UVC control 2 (unit 2) : -75.
Jul 26 10:01:53 RalphiX kernel: uvcvideo: Failed to query (131) UVC control 2 (unit 2) : -32.
Jul 26 10:01:54 RalphiX kernel: uvcvideo: Failed to query (135) UVC control 2 (unit 2) : -110.
Jul 26 10:01:54 RalphiX kernel: uvcvideo: Failed to query (130) UVC control 2 (unit 2) : -75.
Jul 26 10:01:54 RalphiX kernel: uvcvideo: Failed to query (131) UVC control 2 (unit 2) : -32.
Jul 26 10:01:55 RalphiX kernel: uvcvideo: Failed to query (135) UVC control 2 (unit 2) : -110.
Jul 26 10:01:55 RalphiX kernel: uvcvideo: Failed to query (130) UVC control 2 (unit 2) : -75.
Jul 26 10:01:55 RalphiX kernel: uvcvideo: Failed to query (131) UVC control 2 (unit 2) : -32.
Jul 26 10:01:56 RalphiX kernel: uvcvideo: Failed to query (1) UVC control 1 (unit 0) : -110.
Jul 26 10:01:56 RalphiX kernel: uvcvideo: Failed to query (135) UVC control 2 (unit 2) : -75.
Jul 26 10:01:56 RalphiX kernel: uvcvideo: Failed to query (130) UVC control 2 (unit 2) : -110.
Jul 26 10:01:57 RalphiX kernel: uvcvideo: Failed to query (1) UVC control 1 (unit 0) : -110.
Jul 26 10:01:57 RalphiX kernel: uvcvideo: Failed to query (135) UVC control 2 (unit 2) : -75.
Jul 26 10:01:58 RalphiX kernel: uvcvideo: Failed to query (130) UVC control 2 (unit 2) : -110.
Jul 26 10:01:58 RalphiX kernel: uvcvideo: Failed to query (135) UVC control 2 (unit 2) : -110.
Jul 26 10:01:58 RalphiX kernel: uvcvideo: Failed to query (130) UVC control 2 (unit 2) : -75.
Jul 26 10:01:58 RalphiX kernel: uvcvideo: Failed to query (131) UVC control 2 (unit 2) : -32.
Jul 26 10:01:59 RalphiX kernel: uvcvideo: Failed to query (135) UVC control 2 (unit 2) : -110.
Jul 26 10:01:59 RalphiX kernel: uvcvideo: Failed to query (130) UVC control 2 (unit 2) : -75.
Jul 26 10:01:59 RalphiX kernel: uvcvideo: Failed to query (131) UVC control 2 (unit 2) : -32.
Jul 26 10:02:00 RalphiX kernel: uvcvideo: Failed to query (135) UVC control 2 (unit 2) : -110.
Jul 26 10:02:00 RalphiX kernel: uvcvideo: Failed to query (130) UVC control 2 (unit 2) : -75.
Jul 26 10:02:00 RalphiX kernel: uvcvideo: Failed to query (131) UVC control 2 (unit 2) : -32.
Jul 26 10:02:00 RalphiX kernel: uvcvideo: Failed to query (132) UVC control 2 (unit 2) : -32.
Jul 26 10:02:00 RalphiX kernel: uvcvideo: Failed to query (135) UVC control 3 (unit 2) : -32.
Jul 26 10:02:01 RalphiX kernel: uvcvideo: Failed to query (130) UVC control 3 (unit 2) : -32.
Jul 26 10:02:01 RalphiX kernel: uvcvideo: Failed to query (132) UVC control 3 (unit 2) : -32.
Jul 26 10:02:01 RalphiX kernel: uvcvideo: Failed to query (135) UVC control 2 (unit 2) : -110.
Jul 26 10:02:01 RalphiX kernel: uvcvideo: Failed to query (130) UVC control 2 (unit 2) : -75.
Jul 26 10:02:01 RalphiX kernel: uvcvideo: Failed to query (131) UVC control 2 (unit 2) : -32.
Jul 26 10:02:02 RalphiX kernel: uvcvideo: Failed to query (135) UVC control 2 (unit 2) : -110.
Jul 26 10:02:02 RalphiX kernel: uvcvideo: Failed to query (130) UVC control 2 (unit 2) : -75.
Jul 26 10:02:02 RalphiX kernel: uvcvideo: Failed to query (131) UVC control 2 (unit 2) : -32.

But v4l-info /dev/video1 shows
### v4l2 device info [/dev/video1] ###
general info
    VIDIOC_QUERYCAP
        driver                  : "uvcvideo"
        card                    : "USB Video Class device"
        bus_info                : "0000:00:10.4"
        version                 : 0.1.0
        capabilities            : 0x4000001 [VIDEO_CAPTURE,STREAMING]

standards

inputs
    VIDIOC_ENUMINPUT(0)
        index                   : 0
        name                    : "Camera"
        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             : "Uncompressed"
        pixelformat             : 0x56595559 [YUYV]
    VIDIOC_G_FMT(VIDEO_CAPTURE)
        type                    : VIDEO_CAPTURE
        fmt.pix.width           : 960
        fmt.pix.height          : 720
        fmt.pix.pixelformat     : 0x47504a4d [MJPG]
        fmt.pix.field           : NONE
        fmt.pix.bytesperline    : 0
        fmt.pix.sizeimage       : 341333
        fmt.pix.colorspace      : SRGB
        fmt.pix.priv            : 0

controls
    VIDIOC_QUERYCTRL(BASE+0)
        id                      : 9963776
        type                    : INTEGER
        name                    : "Brightness"
        minimum                 : 0
        maximum                 : 255
        step                    : 1
        default_value           : 127
        flags                   : 0
    VIDIOC_QUERYCTRL(BASE+1)
        id                      : 9963777
        type                    : INTEGER
        name                    : "Contrast"
        minimum                 : 0
        maximum                 : 255
        step                    : 1
        default_value           : 32
        flags                   : 0
    VIDIOC_QUERYCTRL(BASE+2)
        id                      : 9963778
        type                    : INTEGER
        name                    : "Saturation"
        minimum                 : 0
        maximum                 : 255
        step                    : 1
        default_value           : 32
        flags                   : 0
    VIDIOC_QUERYCTRL(PRIVATE_BASE+0)
        id                      : 134217728
        type                    : INTEGER
        name                    : "Backlight Compensation"
        minimum                 : 0
        maximum                 : 2
        step                    : 1
        default_value           : 1
        flags                   : 0
    VIDIOC_QUERYCTRL(PRIVATE_BASE+1)
        id                      : 134217729
        type                    : MENU
        name                    : "Power Line Frequency"
        minimum                 : 0
        maximum                 : 2
        step                    : 1
        default_value           : 2
        flags                   : 0
    VIDIOC_QUERYCTRL(PRIVATE_BASE+2)
        id                      : 134217730
        type                    : INTEGER
        name                    : "Sharpness"
        minimum                 : 0
        maximum                 : 255
        step                    : 1
        default_value           : 180
        flags                   : 0

### video4linux device info [/dev/video1] ###
general info
    VIDIOCGCAP
        name                    : "USB Video Class device"
        type                    : 0x1 [CAPTURE]
        channels                : 1
        audios                  : 0
        maxwidth                : 960
        maxheight               : 720
        minwidth                : 48
        minheight               : 32

channels
ioctl VIDIOCGCHAN: Invalid argument

tuner
ioctl VIDIOCGTUNER: Invalid argument

audio
ioctl VIDIOCGAUDIO: Invalid argument

picture
    VIDIOCGPICT
        brightness              : 0
        hue                     : 0
        colour                  : 8224
        contrast                : 0
        whiteness               : 65535
        depth                   : 32821
        palette                 : unknown

buffer
ioctl VIDIOCGFBUF: Invalid argument

window
    VIDIOCGWIN
        x                       : 0
        y                       : 0
        width                   : 960
        height                  : 720
        chromakey               : 0
        flags                   : 0

So i guess camsource tries to use /dev/video1 as video4linux device or doesn't recognice the v4l2 features of the uvcvideo-driver.

Anyone can help?

Ralph.
PS: CC 2 uvcvideo-mailinglist