Hi Christian,
On Tuesday 14 August 2007, Christian Vogler wrote:
> Hi all,
>
> I just wanted to report partial success for a Chicony Electronics
> webcam, which can be found in current Asus G1S laptops. Thank you for
> all your hard work, and I look forward to watching the driver
> progress.
Thanks for the report.
> uvcview works if I call it with -f yuv. Omitting this parameter or
> querying with -l results in errors:
>
> luvcview version 0.2.1
> Video driver: x11
> A window manager is available
> video /dev/video0
> Unable to set format: 22.
> Init v4L2 failed !! exit fatal
luvcview defaults to the MJPEG format. As your webcam doesn't support MJPEG,
the failure is normal. If you want to list the video formats supported by the
webcam, use -L instead of -l.
> I also tested the OpenCV library integration that was posted on the
> list last month, and it works fine, as well. This is enough to get me
> started for now and is, at any rate, much better than what I had dared
> to hope for only two months ago.
>
> uvcvideo in Kubuntu Gutsy x86-64, lsusb -v:
>
> Bus 003 Device 002: ID 04f2:b012 Chicony Electronics Co., Ltd
> Device Descriptor:
> bLength 18
> bDescriptorType 1
> bcdUSB 2.00
> bDeviceClass 239 Miscellaneous Device
> bDeviceSubClass 2 Common Class
> bDeviceProtocol 1 Interface Association
> bMaxPacketSize0 64
> idVendor 0x04f2 Chicony Electronics Co., Ltd
> idProduct 0xb012
> bcdDevice 3.46
> iManufacturer 2 Chicony Electronics Co., Ltd.
> iProduct 1 USB2.0 1.3M UVC WebCam
> iSerial 3 SN0001
> bNumConfigurations 1
> Configuration Descriptor:
> bLength 9
> bDescriptorType 2
> wTotalLength 565
> bNumInterfaces 2
> bConfigurationValue 1
> iConfiguration 0
> bmAttributes 0x80
> (Bus Powered)
> MaxPower 500mA
> Interface Association:
> bLength 8
> bDescriptorType 11
> bFirstInterface 0
> bInterfaceCount 2
> bFunctionClass 14 Video
> bFunctionSubClass 3 Video Interface Collection
> bFunctionProtocol 0
> iFunction 1 USB2.0 1.3M UVC WebCam
> Interface Descriptor:
> bLength 9
> bDescriptorType 4
> bInterfaceNumber 0
> bAlternateSetting 0
> bNumEndpoints 1
> bInterfaceClass 14 Video
> bInterfaceSubClass 1 Video Control
> bInterfaceProtocol 0
> iInterface 1 USB2.0 1.3M UVC WebCam
> VideoControl Interface Descriptor:
> bLength 13
> bDescriptorType 36
> bDescriptorSubtype 1 (HEADER)
> bcdUVC 1.00
> wTotalLength 77
> dwClockFrequency 15.000000MHz
> bInCollection 1
> baInterfaceNr( 0) 1
> VideoControl Interface Descriptor:
> bLength 9
> bDescriptorType 36
> bDescriptorSubtype 3 (OUTPUT_TERMINAL)
> bTerminalID 2
> wTerminalType 0x0101 USB Streaming
> bAssocTerminal 0
> bSourceID 4
> iTerminal 0
> VideoControl Interface Descriptor:
> bLength 26
> bDescriptorType 36
> bDescriptorSubtype 6 (EXTENSION_UNIT)
> bUnitID 4
> guidExtensionCode {28f03370-6311-4a2e-ba2c-6890eb334016}
> bNumControl 1
> bNrPins 1
> baSourceID( 0) 3
> bControlSize 1
> bmControls( 0) 0x01
> iExtension 0
> VideoControl Interface Descriptor:
> bLength 18
> bDescriptorType 36
> bDescriptorSubtype 2 (INPUT_TERMINAL)
> bTerminalID 1
> wTerminalType 0x0201 Camera Sensor
> bAssocTerminal 0
> iTerminal 0
> wObjectiveFocalLengthMin 0
> wObjectiveFocalLengthMax 0
> wOcularFocalLength 0
> bControlSize 3
> bmControls 0x00000000
> VideoControl Interface Descriptor:
> bLength 11
> bDescriptorType 36
> bDescriptorSubtype 5 (PROCESSING_UNIT)
> Warning: Descriptor too short
> bUnitID 3
> bSourceID 1
> wMaxMultiplier 0
> bControlSize 2
> bmControls 0x0000053f
> Brightness
> Contrast
> Hue
> Saturation
> Sharpness
> Gamma
> Backlight Compensation
> Power Line Frequency
> iProcessing 0
> bmVideoStandards 0xd3
> None
> NTSC - 525/60
> NTSC - 625/50
> Endpoint Descriptor:
> bLength 7
> bDescriptorType 5
> bEndpointAddress 0x83 EP 3 IN
> bmAttributes 3
> Transfer Type Interrupt
> Synch Type None
> Usage Type Data
> wMaxPacketSize 0x0010 1x 16 bytes
> bInterval 6
> Interface Descriptor:
> bLength 9
> bDescriptorType 4
> bInterfaceNumber 1
> bAlternateSetting 0
> bNumEndpoints 0
> bInterfaceClass 14 Video
> bInterfaceSubClass 2 Video Streaming
> bInterfaceProtocol 0
> iInterface 0
> VideoStreaming Interface Descriptor:
> bLength 14
> bDescriptorType 36
> bDescriptorSubtype 1 (INPUT_HEADER)
> bNumFormarts 1
> wTotalLength 33025
> bEndPointAddress 0
> bmInfo 2
> bTerminalLink 0
> bStillCaptureMethod 1
> bTriggerSupport 0
> bTriggerUsage 1
> bControlSize 1
> bmaControls( 0) 27
> VideoStreaming Interface Descriptor:
> bLength 27
> bDescriptorType 36
> bDescriptorSubtype 4 (FORMAT_UNCOMPRESSED)
> bFormatIndex 1
> bNumFrameDescriptors 7
> guidFormat
> {32595559-0000-0010-8000-00aa00389b71}
> bBitsPerPixel 16
> bDefaultFrameIndex 1
> bAspectRatioX 0
> bAspectRatioY 0
> bmInterlaceFlags 0x00
> Interlaced stream or variable: No
> Fields per frame: 1 fields
> Field 1 first: No
> Field pattern: Field 1 only
> bCopyProtect 0
> VideoStreaming Interface Descriptor:
> bLength 46
> bDescriptorType 36
> bDescriptorSubtype 5 (FRAME_UNCOMPRESSED)
> bFrameIndex 1
> bmCapabilities 0x00
> Still image unsupported
> wWidth 640
> wHeight 480
> dwMinBitRate 614400
> dwMaxBitRate 18432000
> dwMaxVideoFrameBufferSize 614400
> dwDefaultFrameInterval 333333
> bFrameIntervalType 5
> dwFrameInterval( 0) 333333
> dwFrameInterval( 1) 500000
> dwFrameInterval( 2) 666666
> dwFrameInterval( 3) 1000000
> dwFrameInterval( 4) 2000000
> VideoStreaming Interface Descriptor:
> bLength 46
> bDescriptorType 36
> bDescriptorSubtype 5 (FRAME_UNCOMPRESSED)
> bFrameIndex 2
> bmCapabilities 0x00
> Still image unsupported
> wWidth 352
> wHeight 288
> dwMinBitRate 202752
> dwMaxBitRate 6082560
> dwMaxVideoFrameBufferSize 202752
> dwDefaultFrameInterval 333333
> bFrameIntervalType 5
> dwFrameInterval( 0) 333333
> dwFrameInterval( 1) 500000
> dwFrameInterval( 2) 666666
> dwFrameInterval( 3) 1000000
> dwFrameInterval( 4) 2000000
> VideoStreaming Interface Descriptor:
> bLength 46
> bDescriptorType 36
> bDescriptorSubtype 5 (FRAME_UNCOMPRESSED)
> bFrameIndex 3
> bmCapabilities 0x00
> Still image unsupported
> wWidth 320
> wHeight 240
> dwMinBitRate 153600
> dwMaxBitRate 4608000
> dwMaxVideoFrameBufferSize 153600
> dwDefaultFrameInterval 333333
> bFrameIntervalType 5
> dwFrameInterval( 0) 333333
> dwFrameInterval( 1) 500000
> dwFrameInterval( 2) 666666
> dwFrameInterval( 3) 1000000
> dwFrameInterval( 4) 2000000
> VideoStreaming Interface Descriptor:
> bLength 46
> bDescriptorType 36
> bDescriptorSubtype 5 (FRAME_UNCOMPRESSED)
> bFrameIndex 4
> bmCapabilities 0x00
> Still image unsupported
> wWidth 176
> wHeight 144
> dwMinBitRate 50688
> dwMaxBitRate 1520640
> dwMaxVideoFrameBufferSize 50688
> dwDefaultFrameInterval 333333
> bFrameIntervalType 5
> dwFrameInterval( 0) 333333
> dwFrameInterval( 1) 500000
> dwFrameInterval( 2) 666666
> dwFrameInterval( 3) 1000000
> dwFrameInterval( 4) 2000000
> VideoStreaming Interface Descriptor:
> bLength 46
> bDescriptorType 36
> bDescriptorSubtype 5 (FRAME_UNCOMPRESSED)
> bFrameIndex 5
> bmCapabilities 0x00
> Still image unsupported
> wWidth 160
> wHeight 120
> dwMinBitRate 38400
> dwMaxBitRate 1152000
> dwMaxVideoFrameBufferSize 38400
> dwDefaultFrameInterval 333333
> bFrameIntervalType 5
> dwFrameInterval( 0) 333333
> dwFrameInterval( 1) 500000
> dwFrameInterval( 2) 666666
> dwFrameInterval( 3) 1000000
> dwFrameInterval( 4) 2000000
> VideoStreaming Interface Descriptor:
> bLength 34
> bDescriptorType 36
> bDescriptorSubtype 5 (FRAME_UNCOMPRESSED)
> bFrameIndex 6
> bmCapabilities 0x00
> Still image unsupported
> wWidth 1280
> wHeight 960
> dwMinBitRate 2457600
> dwMaxBitRate 22118400
> dwMaxVideoFrameBufferSize 2457600
> dwDefaultFrameInterval 1333333
> bFrameIntervalType 2
> dwFrameInterval( 0) 1333333
> dwFrameInterval( 1) 2000000
> VideoStreaming Interface Descriptor:
> bLength 34
> bDescriptorType 36
> bDescriptorSubtype 5 (FRAME_UNCOMPRESSED)
> bFrameIndex 7
> bmCapabilities 0x00
> Still image unsupported
> wWidth 1280
> wHeight 1024
> dwMinBitRate 2621440
> dwMaxBitRate 23592960
> dwMaxVideoFrameBufferSize 2621440
> dwDefaultFrameInterval 1333333
> bFrameIntervalType 2
> dwFrameInterval( 0) 1333333
> dwFrameInterval( 1) 2000000
> VideoStreaming Interface Descriptor:
> bLength 6
> bDescriptorType 36
> bDescriptorSubtype 13 (COLORFORMAT)
> bColorPrimaries 1 (BT.709,sRGB)
> bTransferCharacteristics 1 (BT.709)
> bMatrixCoefficients 4 (SMPTE 170M (BT.601))
> Interface Descriptor:
> bLength 9
> bDescriptorType 4
> bInterfaceNumber 1
> bAlternateSetting 1
> bNumEndpoints 1
> bInterfaceClass 14 Video
> bInterfaceSubClass 2 Video Streaming
> bInterfaceProtocol 0
> iInterface 0
> Endpoint Descriptor:
> bLength 7
> bDescriptorType 5
> bEndpointAddress 0x81 EP 1 IN
> bmAttributes 5
> Transfer Type Isochronous
> Synch Type Asynchronous
> Usage Type Data
> wMaxPacketSize 0x0080 1x 128 bytes
> bInterval 1
> Interface Descriptor:
> bLength 9
> bDescriptorType 4
> bInterfaceNumber 1
> bAlternateSetting 2
> bNumEndpoints 1
> bInterfaceClass 14 Video
> bInterfaceSubClass 2 Video Streaming
> bInterfaceProtocol 0
> iInterface 0
> Endpoint Descriptor:
> bLength 7
> bDescriptorType 5
> bEndpointAddress 0x81 EP 1 IN
> bmAttributes 5
> Transfer Type Isochronous
> Synch Type Asynchronous
> Usage Type Data
> wMaxPacketSize 0x0100 1x 256 bytes
> bInterval 1
> Interface Descriptor:
> bLength 9
> bDescriptorType 4
> bInterfaceNumber 1
> bAlternateSetting 3
> bNumEndpoints 1
> bInterfaceClass 14 Video
> bInterfaceSubClass 2 Video Streaming
> bInterfaceProtocol 0
> iInterface 0
> Endpoint Descriptor:
> bLength 7
> bDescriptorType 5
> bEndpointAddress 0x81 EP 1 IN
> bmAttributes 5
> Transfer Type Isochronous
> Synch Type Asynchronous
> Usage Type Data
> wMaxPacketSize 0x0320 1x 800 bytes
> bInterval 1
> Interface Descriptor:
> bLength 9
> bDescriptorType 4
> bInterfaceNumber 1
> bAlternateSetting 4
> bNumEndpoints 1
> bInterfaceClass 14 Video
> bInterfaceSubClass 2 Video Streaming
> bInterfaceProtocol 0
> iInterface 0
> Endpoint Descriptor:
> bLength 7
> bDescriptorType 5
> bEndpointAddress 0x81 EP 1 IN
> bmAttributes 5
> Transfer Type Isochronous
> Synch Type Asynchronous
> Usage Type Data
> wMaxPacketSize 0x0b20 2x 800 bytes
> bInterval 1
> Interface Descriptor:
> bLength 9
> bDescriptorType 4
> bInterfaceNumber 1
> bAlternateSetting 5
> bNumEndpoints 1
> bInterfaceClass 14 Video
> bInterfaceSubClass 2 Video Streaming
> bInterfaceProtocol 0
> iInterface 0
> Endpoint Descriptor:
> bLength 7
> bDescriptorType 5
> bEndpointAddress 0x81 EP 1 IN
> bmAttributes 5
> Transfer Type Isochronous
> Synch Type Asynchronous
> Usage Type Data
> wMaxPacketSize 0x1320 3x 800 bytes
> bInterval 1
> Interface Descriptor:
> bLength 9
> bDescriptorType 4
> bInterfaceNumber 1
> bAlternateSetting 6
> bNumEndpoints 1
> bInterfaceClass 14 Video
> bInterfaceSubClass 2 Video Streaming
> bInterfaceProtocol 0
> iInterface 0
> Endpoint Descriptor:
> bLength 7
> bDescriptorType 5
> bEndpointAddress 0x81 EP 1 IN
> bmAttributes 5
> Transfer Type Isochronous
> Synch Type Asynchronous
> Usage Type Data
> wMaxPacketSize 0x13e8 3x 1000 bytes
> bInterval 1
> Device Qualifier (for other device speed):
> bLength 10
> bDescriptorType 6
> bcdUSB 2.00
> bDeviceClass 239 Miscellaneous Device
> bDeviceSubClass 2 Common Class
> bDeviceProtocol 1 Interface Association
> bMaxPacketSize0 64
> bNumConfigurations 1
> Device Status: 0x0000
> (Bus Powered)
Best regards,
Laurent Pinchart
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