[FreeBSD 8/9] USB webcamd and video4bsd: Call for testing
Hans Petter Selasky
hselasky at c2i.net
Mon Jan 11 14:12:03 UTC 2010
On Monday 11 January 2010 13:34:54 Alexander Logvinov wrote:
> Hello!
>
> On 10.01.2010 21:37 Hans Petter Selasky wrote:
> > # this will display webcam contents from /dev/video0 by default.
> > ./pwcview/pwcview
> > Feedback and bug reports are welcome.
>
> As you know I get a black window when I test my webcam under skype.
> Here is skype output after pressing "Test" button:
>
> $ skype
> Starting the process...
> Skype Xv: Xv ports available: 32
> Skype XShm: XShm support enabled
> Skype Xv: Using Xv port 304
>
> $ xvinfo
> X-Video Extension version 2.2
> screen #0
> Adaptor #0: "NV17 Video Texture"
> number of ports: 32
> port base: 304
> operations supported: PutImage
> supported visuals:
> depth 24, visualID 0x21
> depth 24, visualID 0x24
> depth 24, visualID 0x25
> depth 24, visualID 0x26
> depth 24, visualID 0x27
> depth 24, visualID 0x28
> depth 24, visualID 0x29
> depth 24, visualID 0x2a
> depth 24, visualID 0x2b
> depth 24, visualID 0x2c
> depth 24, visualID 0x2d
> depth 24, visualID 0x2e
> depth 24, visualID 0x2f
> depth 24, visualID 0x30
> depth 24, visualID 0x31
> depth 24, visualID 0x32
> depth 24, visualID 0x33
> depth 24, visualID 0x34
> depth 24, visualID 0x35
> depth 24, visualID 0x36
> depth 24, visualID 0x37
> depth 24, visualID 0x38
> depth 24, visualID 0x39
> depth 24, visualID 0x3a
> depth 24, visualID 0x3b
> depth 24, visualID 0x3c
> depth 24, visualID 0x3d
> depth 24, visualID 0x3e
> depth 24, visualID 0x22
> depth 24, visualID 0x3f
> depth 24, visualID 0x40
> depth 24, visualID 0x41
> depth 24, visualID 0x42
> depth 24, visualID 0x43
> depth 24, visualID 0x44
> depth 24, visualID 0x45
> depth 24, visualID 0x46
> depth 24, visualID 0x47
> depth 24, visualID 0x48
> depth 24, visualID 0x49
> depth 24, visualID 0x4a
> depth 24, visualID 0x4b
> depth 24, visualID 0x4c
> depth 24, visualID 0x4d
> depth 24, visualID 0x4e
> depth 24, visualID 0x4f
> depth 24, visualID 0x50
> depth 24, visualID 0x51
> depth 24, visualID 0x52
> depth 24, visualID 0x53
> depth 24, visualID 0x54
> depth 24, visualID 0x55
> depth 24, visualID 0x56
> depth 24, visualID 0x57
> depth 24, visualID 0x58
> depth 24, visualID 0x59
> number of attributes: 7
> "XV_SET_DEFAULTS" (range 0 to 0)
> client settable attribute
> "XV_ITURBT_709" (range 0 to 1)
> client settable attribute
> client gettable attribute (current value is 0)
> "XV_SYNC_TO_VBLANK" (range 0 to 1)
> client settable attribute
> client gettable attribute (current value is 1)
> "XV_BRIGHTNESS" (range -1000 to 1000)
> client settable attribute
> client gettable attribute (current value is 0)
> "XV_CONTRAST" (range -1000 to 1000)
> client settable attribute
> client gettable attribute (current value is 0)
> "XV_SATURATION" (range -1000 to 1000)
> client settable attribute
> client gettable attribute (current value is 0)
> "XV_HUE" (range -1000 to 1000)
> client settable attribute
> client gettable attribute (current value is 0)
> maximum XvImage size: 2046 x 2046
> Number of image formats: 4
> id: 0x32595559 (YUY2)
> guid: 59555932-0000-0010-8000-00aa00389b71
> bits per pixel: 16
> number of planes: 1
> type: YUV (packed)
> id: 0x32315659 (YV12)
> guid: 59563132-0000-0010-8000-00aa00389b71
> bits per pixel: 12
> number of planes: 3
> type: YUV (planar)
> id: 0x59565955 (UYVY)
> guid: 55595659-0000-0010-8000-00aa00389b71
> bits per pixel: 16
> number of planes: 1
> type: YUV (packed)
> id: 0x30323449 (I420)
> guid: 49343230-0000-0010-8000-00aa00389b71
> bits per pixel: 12
> number of planes: 3
> type: YUV (planar)
Hi,
Try to define V4B_DEBUG in top of webcamd.c and recompile the program. What is
printed when skype is started by webcamd?
--HPS
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