[CFT] New version of webcamd, now v4.8.0.2
Miguel C
miguelmclara at gmail.com
Sun Aug 28 14:02:46 UTC 2016
On Sun, Aug 28, 2016 at 12:53 PM, Hans Petter Selasky <hps at selasky.org>
wrote:
> 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
>
> Sure, here goes:
#############
ugen0.4: <1.3M HD WebCam SuYin> at usbus0, cfg=0 md=HOST spd=HIGH (480Mbps)
pwr=ON (500mA)
bLength = 0x0012
bDescriptorType = 0x0001
bcdUSB = 0x0200
bDeviceClass = 0x00ef <Miscellaneous device>
bDeviceSubClass = 0x0002
bDeviceProtocol = 0x0001
bMaxPacketSize0 = 0x0040
idVendor = 0x064e
idProduct = 0xc321
bcdDevice = 0x0102
iManufacturer = 0x0001 <SuYin>
iProduct = 0x0002 <1.3M HD WebCam>
iSerialNumber = 0x0003 <HF1318-P88B-SN03-VA-R01.00.02>
bNumConfigurations = 0x0001
Configuration index 0
bLength = 0x0009
bDescriptorType = 0x0002
wTotalLength = 0x03f2
bNumInterfaces = 0x0002
bConfigurationValue = 0x0001
iConfiguration = 0x0000 <no string>
bmAttributes = 0x0080
bMaxPower = 0x00fa
Additional Descriptor
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bDescriptorType = 0x0b
bDescriptorSubType = 0x00
RAW dump:
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Interface 0
bLength = 0x0009
bDescriptorType = 0x0004
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bAlternateSetting = 0x0000
bNumEndpoints = 0x0001
bInterfaceClass = 0x000e <Video device>
bInterfaceSubClass = 0x0001
bInterfaceProtocol = 0x0000
iInterface = 0x0002 <1.3M HD WebCam>
Additional Descriptor
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Interface 1 Alt 2
bLength = 0x0009
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Endpoint 0
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bDescriptorType = 0x0005
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Interface 1 Alt 3
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Endpoint 0
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bDescriptorType = 0x0005
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bmAttributes = 0x0005 <ASYNC-ISOCHRONOUS>
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bRefresh = 0x0000
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Interface 1 Alt 4
bLength = 0x0009
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bAlternateSetting = 0x0004
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bInterfaceClass = 0x000e <Video device>
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bInterfaceProtocol = 0x0000
iInterface = 0x0000 <no string>
Endpoint 0
bLength = 0x0007
bDescriptorType = 0x0005
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bmAttributes = 0x0005 <ASYNC-ISOCHRONOUS>
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bRefresh = 0x0000
bSynchAddress = 0x0000
Interface 1 Alt 5
bLength = 0x0009
bDescriptorType = 0x0004
bInterfaceNumber = 0x0001
bAlternateSetting = 0x0005
bNumEndpoints = 0x0001
bInterfaceClass = 0x000e <Video device>
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iInterface = 0x0000 <no string>
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bDescriptorType = 0x0005
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Interface 1 Alt 6
bLength = 0x0009
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bAlternateSetting = 0x0006
bNumEndpoints = 0x0001
bInterfaceClass = 0x000e <Video device>
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bInterfaceProtocol = 0x0000
iInterface = 0x0000 <no string>
Endpoint 0
bLength = 0x0007
bDescriptorType = 0x0005
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bmAttributes = 0x0005 <ASYNC-ISOCHRONOUS>
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Interface 1 Alt 7
bLength = 0x0009
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bInterfaceNumber = 0x0001
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bInterfaceClass = 0x000e <Video device>
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bInterfaceProtocol = 0x0000
iInterface = 0x0000 <no string>
Endpoint 0
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bDescriptorType = 0x0005
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bSynchAddress = 0x0000
Interface 1 Alt 8
bLength = 0x0009
bDescriptorType = 0x0004
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bInterfaceClass = 0x000e <Video device>
bInterfaceSubClass = 0x0002
bInterfaceProtocol = 0x0000
iInterface = 0x0000 <no string>
Endpoint 0
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bDescriptorType = 0x0005
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bmAttributes = 0x0005 <ASYNC-ISOCHRONOUS>
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bSynchAddress = 0x0000
Interface 1 Alt 9
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bmAttributes = 0x0005 <ASYNC-ISOCHRONOUS>
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bSynchAddress = 0x0000
Interface 1 Alt 10
bLength = 0x0009
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bInterfaceNumber = 0x0001
bAlternateSetting = 0x000a
bNumEndpoints = 0x0001
bInterfaceClass = 0x000e <Video device>
bInterfaceSubClass = 0x0002
bInterfaceProtocol = 0x0000
iInterface = 0x0000 <no string>
Endpoint 0
bLength = 0x0007
bDescriptorType = 0x0005
bEndpointAddress = 0x0081 <IN>
bmAttributes = 0x0005 <ASYNC-ISOCHRONOUS>
wMaxPacketSize = 0x13c0
bInterval = 0x0001
bRefresh = 0x0000
bSynchAddress = 0x0000
Interface 1 Alt 11
bLength = 0x0009
bDescriptorType = 0x0004
bInterfaceNumber = 0x0001
bAlternateSetting = 0x000b
bNumEndpoints = 0x0001
bInterfaceClass = 0x000e <Video device>
bInterfaceSubClass = 0x0002
bInterfaceProtocol = 0x0000
iInterface = 0x0000 <no string>
Endpoint 0
bLength = 0x0007
bDescriptorType = 0x0005
bEndpointAddress = 0x0081 <IN>
bmAttributes = 0x0005 <ASYNC-ISOCHRONOUS>
wMaxPacketSize = 0x13fc
bInterval = 0x0001
bRefresh = 0x0000
bSynchAddress = 0x0000
#####################
> --HPS
>
>
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