em28xx(4) and webcamd(8)
Xavier
xavierfreebsdquestions at gmail.com
Wed Apr 25 15:42:56 UTC 2012
Hi to all,
I have this product[1], when I plug-in into USB conector I get:
ugen4.6: <vendor 0xeb1a> at usbus4
deget(): pcbmap returned 6
I test it:
% kldstat
Id Refs Address Size Name
1 38 0xc0400000 e9ece4 kernel
2 1 0xc129f000 5c08 cuse4bsd.ko
3 1 0xc47c0000 8000 linprocfs.ko
4 3 0xc47d1000 29000 linux.ko
5 1 0xc4842000 26000 wpifw.ko
6 1 0xc4c01000 e000 fuse.ko
7 1 0xc4c4c000 2000 linux_adobe.ko
8 1 0xc4c9a000 2000 rtc.ko
9 1 0xc854c000 4000 ng_socket.ko
10 5 0xc85da000 b000 netgraph.ko
11 1 0xc85c6000 6000 ng_ubt.ko
12 1 0xc8614000 d000 ng_hci.ko
13 3 0xc85ba000 2000 ng_bluetooth.ko
14 1 0xc8658000 f000 ng_l2cap.ko
15 1 0xc8733000 21000 ng_btsocket.ko
% ls -l /dev/video*
crw-rw---- 1 webcamd webcamd 0, 149 25 abr 17:26 /dev/video0
crw-rw---- 1 webcamd webcamd 0, 123 24 abr 12:52 /dev/video24
# usbconfig -d 4.6 dump_device_desc
ugen4.6: <product 0x2820 vendor 0xeb1a> at usbus4, cfg=0 md=HOST spd=HIGH (480Mb
ps) pwr=ON
bLength = 0x0012
bDescriptorType = 0x0001
bcdUSB = 0x0200
bDeviceClass = 0x0000
bDeviceSubClass = 0x0000
bDeviceProtocol = 0x0000
bMaxPacketSize0 = 0x0040
idVendor = 0xeb1a
idProduct = 0x2820
bcdDevice = 0x0100
iManufacturer = 0x0000 <no string>
iProduct = 0x0000 <no string>
iSerialNumber = 0x0000 <no string>
bNumConfigurations = 0x0001
# pwcview -d /dev/video0
Webcam set to: 320x240 (sif) at 5 fps
libv4l2: error queuing buf 0: Invalid argument
libv4l2: error queuing buf 1: Invalid argument
libv4l2: error queuing buf 2: Invalid argument
libv4l2: error queuing buf 3: Invalid argument
libv4l2: error reading: Device busy
Error reading from webcam: Device busy
Somebody can help me ?
[1] ftp://ftp.kworld.com.tw/kworld/manual/manual_install/dvd_maker_usb2.0/DVD_MKAER_Installation_Eng%20V1.0.pdf
# usbconfig | grep ugen4.6
ugen4.6: <product 0x2820 vendor 0xeb1a> at usbus4, cfg=0 md=HOST spd=HIGH (480Mb
ps) pwr=ON
>From em28xx(4) man page, I see:
http://linuxtv.org/wiki/index.php/Em28xx_devices web site and I don't
recognize my device, but the more identically is "KWorld PVRTV 300U".
Thanks, see you.
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