Re: [CFT] New version of webcamd, now v4.8.0.2

On 08/28/16 01:59, Miguel C wrote:
> Actually for me it was failing before, so I gave this a go, yet testing
> with pwcview, cheese even mplayer all fail.
>
> I just compiled the updated version (v4.8.0.4) with DEBUG=on
>
> I'm starting webcamd manually:
> udo webcamd -d ugen0.4 -i 0 -v 0 -m  pwc-if.power_save=-1
> : USB HID core driver
> Linux video capture interface: v2.00
> IR NEC protocol handler initialized
> IR RC5(x/sz) protocol handler initialized
> IR RC6 protocol handler initialized
> IR JVC protocol handler initialized
> IR Sony protocol handler initialized
> IR SANYO protocol handler initialized
> IR LIRC bridge handler initialized
> IR XMP protocol handler initialized
> b2c2-flexcop: B2C2 FlexcopII/II(b)/III digital TV receiver chip loaded
> successfully
> uvcvideo: Unable to create debugfs directory
> USB Video Class driver (1.1.1)
> cpia2: V4L-Driver for Vision CPiA2 based cameras v3.0.1
> pvrusb2: V4L in-tree version:Hauppauge WinTV-PVR-USB2 MPEG2 Encoder/Tuner
> pvrusb2: Debug mask is 31 (0x1f)
> USBVision USB Video Device Driver for Linux : 0.9.11
> em28xx: Registered (Em28xx v4l2 Extension) extension
> em28xx: Registered (Em28xx dvb Extension) extension
> Attached to ugen0.4[0]
> uvcvideo: Found UVC 1.00 device 1.3M HD WebCam (064e:c321)
> Creating /dev/video0
>
>
> This is what I get from pwcview:
> pwcview
> Failed to get current picture info: Invalid argument
>
> and if I try with cheese I get a black screen and see this in after
> "Creating /dev/video":
> uvcvideo: Failed to submit URB 0 (-32).
>

Hi,

Error 32 likely means that the endpoint the uvcvideo driver is trying to 
attach to doesn't exist. It might be a bug in the USB configuration 
descriptor. Could you dump the USB descriptors for this device?

usbconfig -d ugenX.Y dump_curr_config_desc dump_device_desc

--HPS