Hi all,
I can't get any video stream from my camera.
All settings seems ok.
output of setpwc -p
setpwc v0.9, (C) 2003-2005 by
Current device: Philips 675 webcam
VIDIOCPWCPROBE returns: Philips 675 webcam - 675
Resolution (x, y): 320, 240
Offset: 0, 0
Framerate: 10
Brightness: 29184
Hue: 65535
Colour: 65535
Contrast: 32768
Whiteness: 32768
Palette: YUV 4:2:0 Planar
Compression preference: 2
Automatic gain control: -56490
Whitebalance mode: auto
Led ON time: -1
Led OFF time: -1
Sharpness: -1
Backlight compensation mode: off
Anti-flicker mode: off
Noise reduction mode: 1
Pan/tilt range is not supported by the combination
of your webcam and the driver.
Get pan/tilt position is not supported by the combination
of your webcam and the driver.
camstream
-----------------
when I try to open "viewer" (any size), the output is
CCamWindow::CCamWindow()
CWebCamViewer::CWebCamViewer(0x8174068, 352x280)
CVideoDevice::Init()
Using mmap(), VMBuf.size = 921600
Using select() call.
Trying to find video options for Philips 675 webcam:/dev/video0
searching Philips 675 webcam
CSnapshotSettingsDlg::CSnapshotSettingsDlg(...)
CVideoSettingsDlg::SizeChanged(320x240)
CVideoSettingsDlg::FramerateChanged(10)
Philips webcam detected, enabling extensions
CCamPanel::SetSize(320x240)
CCamPanel::SetImageSize(320x240)
CCamPanel::SetVisibleSize(320x240)
CVideoDevice::SetSize(352, 280)
CVideoDevice::MSync() ioctl: Invalid argument
CCamPanel::SetSize(352x280)
CCamPanel::SetImageSize(352x280)
CCamPanel::SetVisibleSize(352x280)
CWebCamViewer::DeviceChangedSize(352x280)
RecalcTotalViewSize: resize viewport(352x280)
CCamPanel::SetSize(352x280)
CCamPanel::SetImageSize(352x280)
CCamPanel::SetVisibleSize(352x280)
RecalcTotalViewSize: resize viewport(352x280)
EnableRGB: +
CVideoDevice::SetPalette picked palette 15 [yuv420p]
CVideoDevice::CreateImagesRGB()
allocating space for RGB
CVideoDevice::StartCapture() go!
CVideoDevice::MCapture() ioctl: Device or resource busy
...but no program is using /dev/video0 !
(camserv is not running)
I'm running kde3.4, Debian Sid, kernel 2.6.12.
Removing and reloading pwc module didn't help
(no warnings/errors reported by the kernel)
The module I'm using is
/lib/modules/2.6.12-1-k7/kernel/drivers/usb/media/pwc/pwc.ko
(about 60kb).
Do I need to compile from source and replace this module?
modinfo pwc output:
filename: /lib/modules/2.6.12-1-k7/kernel/drivers/usb/media/pwc/pwc.ko
description: Philips & OEM USB webcam driver
author: Luc Saillard <>
license: GPL
vermagic: 2.6.12-1-k7 K7 gcc-4.0
depends: usbcore,videodev
[cut]
all users belongs to video group and ls -l /dev/video0 output is:
crw-rw---- 1 root video 81, 0 Nov 23 11:23 /dev/video0
Any help appreciated.
Gabriele Persia
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