From: bugzilla-daemon@kernel.org
To: linux-usb@vger.kernel.org
Subject: [Bug 220027] USB 3.2 capture cards using incorrect USB speed
Date: Sun, 04 May 2025 00:27:32 +0000 [thread overview]
Message-ID: <bug-220027-208809-7Q1o3i3xt3@https.bugzilla.kernel.org/> (raw)
In-Reply-To: <bug-220027-208809@https.bugzilla.kernel.org/>
https://bugzilla.kernel.org/show_bug.cgi?id=220027
--- Comment #12 from Niko (nrkowalski@gmail.com) ---
Apologies, I did not run that as root. Here is the output from root.
Bus 008 Device 002: ID 0fd9:009b Elgato Systems GmbH Elgato 4K X
Device Descriptor:
bLength 18
bDescriptorType 1
bcdUSB 3.20
bDeviceClass 239 Miscellaneous Device
bDeviceSubClass 2 [unknown]
bDeviceProtocol 1 Interface Association
bMaxPacketSize0 9
idVendor 0x0fd9 Elgato Systems GmbH
idProduct 0x009b Elgato 4K X
bcdDevice 0.02
iManufacturer 6 Elgato
iProduct 7 Elgato 4K X
iSerial 3 A7SNB504228NRE
bNumConfigurations 1
Configuration Descriptor:
bLength 9
bDescriptorType 2
wTotalLength 0x08bd
bNumInterfaces 4
bConfigurationValue 1
iConfiguration 4 Elgato 4K X
bmAttributes 0xc0
Self Powered
MaxPower 896mA
Interface Association:
bLength 8
bDescriptorType 11
bFirstInterface 0
bInterfaceCount 2
bFunctionClass 14 Video
bFunctionSubClass 3 Video Interface Collection
bFunctionProtocol 0
iFunction 5 Elgato 4K X
Interface Descriptor:
bLength 9
bDescriptorType 4
bInterfaceNumber 0
bAlternateSetting 0
bNumEndpoints 1
bInterfaceClass 14 Video
bInterfaceSubClass 1 Video Control
bInterfaceProtocol 0
iInterface 5 Elgato 4K X
VideoControl Interface Descriptor:
bLength 13
bDescriptorType 36
bDescriptorSubtype 1 (HEADER)
bcdUVC 1.00
wTotalLength 0x0050
dwClockFrequency 27.000000MHz
bInCollection 1
baInterfaceNr( 0) 1
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 12
bDescriptorType 36
bDescriptorSubtype 5 (PROCESSING_UNIT)
Warning: Descriptor too short
bUnitID 2
bSourceID 1
wMaxMultiplier 16384
bControlSize 3
bmControls 0x0000000f
Brightness
Contrast
Hue
Saturation
iProcessing 0
bmVideoStandards 0x09
None
SECAM - 625/50
VideoControl Interface Descriptor:
bLength 9
bDescriptorType 36
bDescriptorSubtype 3 (OUTPUT_TERMINAL)
bTerminalID 3
wTerminalType 0x0101 USB Streaming
bAssocTerminal 0
bSourceID 4
iTerminal 0
VideoControl Interface Descriptor:
bLength 28
bDescriptorType 36
bDescriptorSubtype 6 (EXTENSION_UNIT)
bUnitID 4
guidExtensionCode {961073c7-49f7-44f2-ab42-e940405940c2}
bNumControls 17
bNrInPins 1
baSourceID( 0) 2
bControlSize 3
bmControls( 0) 0x0f
bmControls( 1) 0xfe
bmControls( 2) 0x01
iExtension 0
Endpoint Descriptor:
bLength 7
bDescriptorType 5
bEndpointAddress 0x85 EP 5 IN
bmAttributes 3
Transfer Type Interrupt
Synch Type None
Usage Type Data
wMaxPacketSize 0x0010 1x 16 bytes
bInterval 8
bMaxBurst 0
Interface Descriptor:
bLength 9
bDescriptorType 4
bInterfaceNumber 1
bAlternateSetting 0
bNumEndpoints 1
bInterfaceClass 14 Video
bInterfaceSubClass 2 Video Streaming
bInterfaceProtocol 0
iInterface 6 Elgato
VideoStreaming Interface Descriptor:
bLength 19
bDescriptorType 36
bDescriptorSubtype 1 (INPUT_HEADER)
bNumFormats 6
wTotalLength 0x07b5
bEndpointAddress 0x82 EP 2 IN
bmInfo 0
bTerminalLink 3
bStillCaptureMethod 0
bTriggerSupport 0
bTriggerUsage 0
bControlSize 1
bmaControls( 0) 0
bmaControls( 1) 4
bmaControls( 2) 0
bmaControls( 3) 0
bmaControls( 4) 0
bmaControls( 5) 0
VideoStreaming Interface Descriptor:
bLength 27
bDescriptorType 36
bDescriptorSubtype 4 (FORMAT_UNCOMPRESSED)
bFormatIndex 1
bNumFrameDescriptors 9
guidFormat
{32595559-0000-0010-8000-00aa00389b71}
bBitsPerPixel 16
bDefaultFrameIndex 5
bAspectRatioX 0
bAspectRatioY 0
bmInterlaceFlags 0x00
Interlaced stream or variable: No
Fields per frame: 2 fields
Field 1 first: No
Field pattern: Field 1 only
bCopyProtect 0
VideoStreaming Interface Descriptor:
bLength 34
bDescriptorType 36
bDescriptorSubtype 5 (FRAME_UNCOMPRESSED)
bFrameIndex 1
bmCapabilities 0x00
Still image unsupported
wWidth 640
wHeight 480
dwMinBitRate 147456000
dwMaxBitRate 294912000
dwMaxVideoFrameBufferSize 614400
dwDefaultFrameInterval 166666
bFrameIntervalType 2
dwFrameInterval( 0) 166666
dwFrameInterval( 1) 333333
VideoStreaming Interface Descriptor:
bLength 34
bDescriptorType 36
bDescriptorSubtype 5 (FRAME_UNCOMPRESSED)
bFrameIndex 2
bmCapabilities 0x00
Still image unsupported
wWidth 720
wHeight 480
dwMinBitRate 165888000
dwMaxBitRate 331776000
dwMaxVideoFrameBufferSize 691200
dwDefaultFrameInterval 166666
bFrameIntervalType 2
dwFrameInterval( 0) 166666
dwFrameInterval( 1) 333333
VideoStreaming Interface Descriptor:
bLength 30
bDescriptorType 36
bDescriptorSubtype 5 (FRAME_UNCOMPRESSED)
bFrameIndex 3
bmCapabilities 0x00
Still image unsupported
wWidth 720
wHeight 576
dwMinBitRate 331776000
dwMaxBitRate 331776000
dwMaxVideoFrameBufferSize 829440
dwDefaultFrameInterval 200000
bFrameIntervalType 1
dwFrameInterval( 0) 200000
VideoStreaming Interface Descriptor:
bLength 42
bDescriptorType 36
bDescriptorSubtype 5 (FRAME_UNCOMPRESSED)
bFrameIndex 4
bmCapabilities 0x00
Still image unsupported
wWidth 1280
wHeight 720
dwMinBitRate 737280000
dwMaxBitRate 1769472000
dwMaxVideoFrameBufferSize 1843200
dwDefaultFrameInterval 83333
bFrameIntervalType 4
dwFrameInterval( 0) 83333
dwFrameInterval( 1) 166666
dwFrameInterval( 2) 166833
dwFrameInterval( 3) 200000
VideoStreaming Interface Descriptor:
bLength 54
bDescriptorType 36
bDescriptorSubtype 5 (FRAME_UNCOMPRESSED)
bFrameIndex 5
bmCapabilities 0x00
Still image unsupported
wWidth 1920
wHeight 1080
dwMinBitRate 994332671
dwMaxBitRate 3981312000
dwMaxVideoFrameBufferSize 4147200
dwDefaultFrameInterval 83333
bFrameIntervalType 7
dwFrameInterval( 0) 69444
dwFrameInterval( 1) 83333
dwFrameInterval( 2) 166666
dwFrameInterval( 3) 166833
dwFrameInterval( 4) 200000
dwFrameInterval( 5) 333333
dwFrameInterval( 6) 333667
VideoStreaming Interface Descriptor:
bLength 42
bDescriptorType 36
bDescriptorSubtype 5 (FRAME_UNCOMPRESSED)
bFrameIndex 6
bmCapabilities 0x00
Still image unsupported
wWidth 2560
wHeight 1080
dwMinBitRate 2651553791
dwMaxBitRate 2654208000
dwMaxVideoFrameBufferSize 5529600
dwDefaultFrameInterval 83333
bFrameIntervalType 4
dwFrameInterval( 0) 69444
dwFrameInterval( 1) 83333
dwFrameInterval( 2) 166666
dwFrameInterval( 3) 166833
VideoStreaming Interface Descriptor:
bLength 46
bDescriptorType 36
bDescriptorSubtype 5 (FRAME_UNCOMPRESSED)
bFrameIndex 7
bmCapabilities 0x00
Still image unsupported
wWidth 2560
wHeight 1440
dwMinBitRate 1767702527
dwMaxBitRate 3538944000
dwMaxVideoFrameBufferSize 7372800
dwDefaultFrameInterval 166666
bFrameIntervalType 5
dwFrameInterval( 0) 166666
dwFrameInterval( 1) 166833
dwFrameInterval( 2) 200000
dwFrameInterval( 3) 333333
dwFrameInterval( 4) 333667
VideoStreaming Interface Descriptor:
bLength 34
bDescriptorType 36
bDescriptorSubtype 5 (FRAME_UNCOMPRESSED)
bFrameIndex 8
bmCapabilities 0x00
Still image unsupported
wWidth 3440
wHeight 1440
dwMinBitRate 4294967295
dwMaxBitRate 4294967295
dwMaxVideoFrameBufferSize 9907200
dwDefaultFrameInterval 166666
bFrameIntervalType 2
dwFrameInterval( 0) 166666
dwFrameInterval( 1) 166833
VideoStreaming Interface Descriptor:
bLength 38
bDescriptorType 36
bDescriptorSubtype 5 (FRAME_UNCOMPRESSED)
bFrameIndex 9
bmCapabilities 0x00
Still image unsupported
wWidth 3840
wHeight 2160
dwMinBitRate 3977330687
dwMaxBitRate 3981312000
dwMaxVideoFrameBufferSize 16588800
dwDefaultFrameInterval 200000
bFrameIntervalType 3
dwFrameInterval( 0) 200000
dwFrameInterval( 1) 333333
dwFrameInterval( 2) 333667
VideoStreaming Interface Descriptor:
bLength 6
bDescriptorType 36
bDescriptorSubtype 13 (COLORFORMAT)
bColorPrimaries 1 (BT.709,sRGB)
bTransferCharacteristics 1 (BT.709)
bMatrixCoefficients 1 (BT.709)
VideoStreaming Interface Descriptor:
bLength 11
bDescriptorType 36
bDescriptorSubtype 6 (FORMAT_MJPEG)
bFormatIndex 2
bNumFrameDescriptors 6
bFlags 0
Fixed-size samples: No
bDefaultFrameIndex 6
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 42
bDescriptorType 36
bDescriptorSubtype 7 (FRAME_MJPEG)
bFrameIndex 1
bmCapabilities 0x00
Still image unsupported
wWidth 1280
wHeight 720
dwMinBitRate 737280000
dwMaxBitRate 1769472000
dwMaxVideoFrameBufferSize 1843200
dwDefaultFrameInterval 83333
bFrameIntervalType 4
dwFrameInterval( 0) 83333
dwFrameInterval( 1) 166666
dwFrameInterval( 2) 166833
dwFrameInterval( 3) 200000
VideoStreaming Interface Descriptor:
bLength 58
bDescriptorType 36
bDescriptorSubtype 7 (FRAME_MJPEG)
bFrameIndex 2
bmCapabilities 0x00
Still image unsupported
wWidth 1920
wHeight 1080
dwMinBitRate 994332671
dwMaxBitRate 3981312000
dwMaxVideoFrameBufferSize 4147200
dwDefaultFrameInterval 41666
bFrameIntervalType 8
dwFrameInterval( 0) 41666
dwFrameInterval( 1) 69444
dwFrameInterval( 2) 83333
dwFrameInterval( 3) 166666
dwFrameInterval( 4) 166833
dwFrameInterval( 5) 200000
dwFrameInterval( 6) 333333
dwFrameInterval( 7) 333667
VideoStreaming Interface Descriptor:
bLength 42
bDescriptorType 36
bDescriptorSubtype 7 (FRAME_MJPEG)
bFrameIndex 3
bmCapabilities 0x00
Still image unsupported
wWidth 2560
wHeight 1080
dwMinBitRate 2651553791
dwMaxBitRate 2654208000
dwMaxVideoFrameBufferSize 5529600
dwDefaultFrameInterval 83333
bFrameIntervalType 4
dwFrameInterval( 0) 69444
dwFrameInterval( 1) 83333
dwFrameInterval( 2) 166666
dwFrameInterval( 3) 166833
VideoStreaming Interface Descriptor:
bLength 54
bDescriptorType 36
bDescriptorSubtype 7 (FRAME_MJPEG)
bFrameIndex 4
bmCapabilities 0x00
Still image unsupported
wWidth 2560
wHeight 1440
dwMinBitRate 1767702527
dwMaxBitRate 3538944000
dwMaxVideoFrameBufferSize 7372800
dwDefaultFrameInterval 83333
bFrameIntervalType 7
dwFrameInterval( 0) 69444
dwFrameInterval( 1) 83333
dwFrameInterval( 2) 166666
dwFrameInterval( 3) 166833
dwFrameInterval( 4) 200000
dwFrameInterval( 5) 333333
dwFrameInterval( 6) 333667
VideoStreaming Interface Descriptor:
bLength 42
bDescriptorType 36
bDescriptorSubtype 7 (FRAME_MJPEG)
bFrameIndex 5
bmCapabilities 0x00
Still image unsupported
wWidth 3440
wHeight 1440
dwMinBitRate 4294967295
dwMaxBitRate 4294967295
dwMaxVideoFrameBufferSize 9907200
dwDefaultFrameInterval 83333
bFrameIntervalType 4
dwFrameInterval( 0) 69444
dwFrameInterval( 1) 83333
dwFrameInterval( 2) 166666
dwFrameInterval( 3) 166833
VideoStreaming Interface Descriptor:
bLength 54
bDescriptorType 36
bDescriptorSubtype 7 (FRAME_MJPEG)
bFrameIndex 6
bmCapabilities 0x00
Still image unsupported
wWidth 3840
wHeight 2160
dwMinBitRate 3977330687
dwMaxBitRate 3981312000
dwMaxVideoFrameBufferSize 16588800
dwDefaultFrameInterval 83333
bFrameIntervalType 7
dwFrameInterval( 0) 69444
dwFrameInterval( 1) 83333
dwFrameInterval( 2) 166666
dwFrameInterval( 3) 166833
dwFrameInterval( 4) 200000
dwFrameInterval( 5) 333333
dwFrameInterval( 6) 333667
VideoStreaming Interface Descriptor:
bLength 6
bDescriptorType 36
bDescriptorSubtype 13 (COLORFORMAT)
bColorPrimaries 4 (SMPTE 170M)
bTransferCharacteristics 4 (SMPTE 170M)
bMatrixCoefficients 4 (SMPTE 170M (BT.601))
VideoStreaming Interface Descriptor:
bLength 27
bDescriptorType 36
bDescriptorSubtype 4 (FORMAT_UNCOMPRESSED)
bFormatIndex 3
bNumFrameDescriptors 9
guidFormat
{3231564e-0000-0010-8000-00aa00389b71}
bBitsPerPixel 12
bDefaultFrameIndex 9
bAspectRatioX 0
bAspectRatioY 0
bmInterlaceFlags 0x00
Interlaced stream or variable: No
Fields per frame: 2 fields
Field 1 first: No
Field pattern: Field 1 only
bCopyProtect 0
VideoStreaming Interface Descriptor:
bLength 34
bDescriptorType 36
bDescriptorSubtype 5 (FRAME_UNCOMPRESSED)
bFrameIndex 1
bmCapabilities 0x00
Still image unsupported
wWidth 640
wHeight 480
dwMinBitRate 110592000
dwMaxBitRate 221184000
dwMaxVideoFrameBufferSize 460800
dwDefaultFrameInterval 166666
bFrameIntervalType 2
dwFrameInterval( 0) 166666
dwFrameInterval( 1) 333333
VideoStreaming Interface Descriptor:
bLength 34
bDescriptorType 36
bDescriptorSubtype 5 (FRAME_UNCOMPRESSED)
bFrameIndex 2
bmCapabilities 0x00
Still image unsupported
wWidth 720
wHeight 480
dwMinBitRate 124416000
dwMaxBitRate 248832000
dwMaxVideoFrameBufferSize 518400
dwDefaultFrameInterval 166666
bFrameIntervalType 2
dwFrameInterval( 0) 166666
dwFrameInterval( 1) 333333
VideoStreaming Interface Descriptor:
bLength 30
bDescriptorType 36
bDescriptorSubtype 5 (FRAME_UNCOMPRESSED)
bFrameIndex 3
bmCapabilities 0x00
Still image unsupported
wWidth 720
wHeight 576
dwMinBitRate 248832000
dwMaxBitRate 248832000
dwMaxVideoFrameBufferSize 622080
dwDefaultFrameInterval 200000
bFrameIntervalType 1
dwFrameInterval( 0) 200000
VideoStreaming Interface Descriptor:
bLength 42
bDescriptorType 36
bDescriptorSubtype 5 (FRAME_UNCOMPRESSED)
bFrameIndex 4
bmCapabilities 0x00
Still image unsupported
wWidth 1280
wHeight 720
dwMinBitRate 552960000
dwMaxBitRate 1327104000
dwMaxVideoFrameBufferSize 1382400
dwDefaultFrameInterval 83333
bFrameIntervalType 4
dwFrameInterval( 0) 83333
dwFrameInterval( 1) 166666
dwFrameInterval( 2) 166833
dwFrameInterval( 3) 200000
VideoStreaming Interface Descriptor:
bLength 58
bDescriptorType 36
bDescriptorSubtype 5 (FRAME_UNCOMPRESSED)
bFrameIndex 5
bmCapabilities 0x00
Still image unsupported
wWidth 1920
wHeight 1080
dwMinBitRate 745749503
dwMaxBitRate 3583180800
dwMaxVideoFrameBufferSize 3110400
dwDefaultFrameInterval 41666
bFrameIntervalType 8
dwFrameInterval( 0) 41666
dwFrameInterval( 1) 69444
dwFrameInterval( 2) 83333
dwFrameInterval( 3) 166666
dwFrameInterval( 4) 166833
dwFrameInterval( 5) 200000
dwFrameInterval( 6) 333333
dwFrameInterval( 7) 333667
VideoStreaming Interface Descriptor:
bLength 42
bDescriptorType 36
bDescriptorSubtype 5 (FRAME_UNCOMPRESSED)
bFrameIndex 6
bmCapabilities 0x00
Still image unsupported
wWidth 2560
wHeight 1080
dwMinBitRate 1988665343
dwMaxBitRate 3981312000
dwMaxVideoFrameBufferSize 4147200
dwDefaultFrameInterval 83333
bFrameIntervalType 4
dwFrameInterval( 0) 69444
dwFrameInterval( 1) 83333
dwFrameInterval( 2) 166666
dwFrameInterval( 3) 166833
VideoStreaming Interface Descriptor:
bLength 54
bDescriptorType 36
bDescriptorSubtype 5 (FRAME_UNCOMPRESSED)
bFrameIndex 7
bmCapabilities 0x00
Still image unsupported
wWidth 2560
wHeight 1440
dwMinBitRate 1325776895
dwMaxBitRate 2654208000
dwMaxVideoFrameBufferSize 5529600
dwDefaultFrameInterval 83333
bFrameIntervalType 7
dwFrameInterval( 0) 69444
dwFrameInterval( 1) 83333
dwFrameInterval( 2) 166666
dwFrameInterval( 3) 166833
dwFrameInterval( 4) 200000
dwFrameInterval( 5) 333333
dwFrameInterval( 6) 333667
VideoStreaming Interface Descriptor:
bLength 34
bDescriptorType 36
bDescriptorSubtype 5 (FRAME_UNCOMPRESSED)
bFrameIndex 8
bmCapabilities 0x00
Still image unsupported
wWidth 3440
wHeight 1440
dwMinBitRate 3563025407
dwMaxBitRate 3566592000
dwMaxVideoFrameBufferSize 7430400
dwDefaultFrameInterval 166666
bFrameIntervalType 2
dwFrameInterval( 0) 166666
dwFrameInterval( 1) 166833
VideoStreaming Interface Descriptor:
bLength 46
bDescriptorType 36
bDescriptorSubtype 5 (FRAME_UNCOMPRESSED)
bFrameIndex 9
bmCapabilities 0x00
Still image unsupported
wWidth 3840
wHeight 2160
dwMinBitRate 2982998015
dwMaxBitRate 2985984000
dwMaxVideoFrameBufferSize 12441600
dwDefaultFrameInterval 166666
bFrameIntervalType 5
dwFrameInterval( 0) 166666
dwFrameInterval( 1) 166833
dwFrameInterval( 2) 200000
dwFrameInterval( 3) 333333
dwFrameInterval( 4) 333667
VideoStreaming Interface Descriptor:
bLength 6
bDescriptorType 36
bDescriptorSubtype 13 (COLORFORMAT)
bColorPrimaries 1 (BT.709,sRGB)
bTransferCharacteristics 1 (BT.709)
bMatrixCoefficients 1 (BT.709)
VideoStreaming Interface Descriptor:
bLength 27
bDescriptorType 36
bDescriptorSubtype 4 (FORMAT_UNCOMPRESSED)
bFormatIndex 4
bNumFrameDescriptors 9
guidFormat
{30323449-0000-0010-8000-00aa00389b71}
bBitsPerPixel 12
bDefaultFrameIndex 9
bAspectRatioX 0
bAspectRatioY 0
bmInterlaceFlags 0x00
Interlaced stream or variable: No
Fields per frame: 2 fields
Field 1 first: No
Field pattern: Field 1 only
bCopyProtect 0
VideoStreaming Interface Descriptor:
bLength 34
bDescriptorType 36
bDescriptorSubtype 5 (FRAME_UNCOMPRESSED)
bFrameIndex 1
bmCapabilities 0x00
Still image unsupported
wWidth 640
wHeight 480
dwMinBitRate 110592000
dwMaxBitRate 221184000
dwMaxVideoFrameBufferSize 460800
dwDefaultFrameInterval 166666
bFrameIntervalType 2
dwFrameInterval( 0) 166666
dwFrameInterval( 1) 333333
VideoStreaming Interface Descriptor:
bLength 34
bDescriptorType 36
bDescriptorSubtype 5 (FRAME_UNCOMPRESSED)
bFrameIndex 2
bmCapabilities 0x00
Still image unsupported
wWidth 720
wHeight 480
dwMinBitRate 124416000
dwMaxBitRate 248832000
dwMaxVideoFrameBufferSize 518400
dwDefaultFrameInterval 166666
bFrameIntervalType 2
dwFrameInterval( 0) 166666
dwFrameInterval( 1) 333333
VideoStreaming Interface Descriptor:
bLength 30
bDescriptorType 36
bDescriptorSubtype 5 (FRAME_UNCOMPRESSED)
bFrameIndex 3
bmCapabilities 0x00
Still image unsupported
wWidth 720
wHeight 576
dwMinBitRate 248832000
dwMaxBitRate 248832000
dwMaxVideoFrameBufferSize 622080
dwDefaultFrameInterval 200000
bFrameIntervalType 1
dwFrameInterval( 0) 200000
VideoStreaming Interface Descriptor:
bLength 42
bDescriptorType 36
bDescriptorSubtype 5 (FRAME_UNCOMPRESSED)
bFrameIndex 4
bmCapabilities 0x00
Still image unsupported
wWidth 1280
wHeight 720
dwMinBitRate 552960000
dwMaxBitRate 1327104000
dwMaxVideoFrameBufferSize 1382400
dwDefaultFrameInterval 83333
bFrameIntervalType 4
dwFrameInterval( 0) 83333
dwFrameInterval( 1) 166666
dwFrameInterval( 2) 166833
dwFrameInterval( 3) 200000
VideoStreaming Interface Descriptor:
bLength 58
bDescriptorType 36
bDescriptorSubtype 5 (FRAME_UNCOMPRESSED)
bFrameIndex 5
bmCapabilities 0x00
Still image unsupported
wWidth 1920
wHeight 1080
dwMinBitRate 745749503
dwMaxBitRate 3583180800
dwMaxVideoFrameBufferSize 3110400
dwDefaultFrameInterval 41666
bFrameIntervalType 8
dwFrameInterval( 0) 41666
dwFrameInterval( 1) 69444
dwFrameInterval( 2) 83333
dwFrameInterval( 3) 166666
dwFrameInterval( 4) 166833
dwFrameInterval( 5) 200000
dwFrameInterval( 6) 333333
dwFrameInterval( 7) 333667
VideoStreaming Interface Descriptor:
bLength 42
bDescriptorType 36
bDescriptorSubtype 5 (FRAME_UNCOMPRESSED)
bFrameIndex 6
bmCapabilities 0x00
Still image unsupported
wWidth 2560
wHeight 1080
dwMinBitRate 1988665343
dwMaxBitRate 3981312000
dwMaxVideoFrameBufferSize 4147200
dwDefaultFrameInterval 83333
bFrameIntervalType 4
dwFrameInterval( 0) 69444
dwFrameInterval( 1) 83333
dwFrameInterval( 2) 166666
dwFrameInterval( 3) 166833
VideoStreaming Interface Descriptor:
bLength 54
bDescriptorType 36
bDescriptorSubtype 5 (FRAME_UNCOMPRESSED)
bFrameIndex 7
bmCapabilities 0x00
Still image unsupported
wWidth 2560
wHeight 1440
dwMinBitRate 1325776895
dwMaxBitRate 2654208000
dwMaxVideoFrameBufferSize 5529600
dwDefaultFrameInterval 83333
bFrameIntervalType 7
dwFrameInterval( 0) 69444
dwFrameInterval( 1) 83333
dwFrameInterval( 2) 166666
dwFrameInterval( 3) 166833
dwFrameInterval( 4) 200000
dwFrameInterval( 5) 333333
dwFrameInterval( 6) 333667
VideoStreaming Interface Descriptor:
bLength 34
bDescriptorType 36
bDescriptorSubtype 5 (FRAME_UNCOMPRESSED)
bFrameIndex 8
bmCapabilities 0x00
Still image unsupported
wWidth 3440
wHeight 1440
dwMinBitRate 3563025407
dwMaxBitRate 3566592000
dwMaxVideoFrameBufferSize 7430400
dwDefaultFrameInterval 166666
bFrameIntervalType 2
dwFrameInterval( 0) 166666
dwFrameInterval( 1) 166833
VideoStreaming Interface Descriptor:
bLength 46
bDescriptorType 36
bDescriptorSubtype 5 (FRAME_UNCOMPRESSED)
bFrameIndex 9
bmCapabilities 0x00
Still image unsupported
wWidth 3840
wHeight 2160
dwMinBitRate 2982998015
dwMaxBitRate 2985984000
dwMaxVideoFrameBufferSize 12441600
dwDefaultFrameInterval 166666
bFrameIntervalType 5
dwFrameInterval( 0) 166666
dwFrameInterval( 1) 166833
dwFrameInterval( 2) 200000
dwFrameInterval( 3) 333333
dwFrameInterval( 4) 333667
VideoStreaming Interface Descriptor:
bLength 6
bDescriptorType 36
bDescriptorSubtype 13 (COLORFORMAT)
bColorPrimaries 1 (BT.709,sRGB)
bTransferCharacteristics 1 (BT.709)
bMatrixCoefficients 1 (BT.709)
VideoStreaming Interface Descriptor:
bLength 27
bDescriptorType 36
bDescriptorSubtype 4 (FORMAT_UNCOMPRESSED)
bFormatIndex 5
bNumFrameDescriptors 4
guidFormat
{e436eb7d-524f-11ce-9f53-0020af0ba770}
bBitsPerPixel 24
bDefaultFrameIndex 2
bAspectRatioX 0
bAspectRatioY 0
bmInterlaceFlags 0x00
Interlaced stream or variable: No
Fields per frame: 2 fields
Field 1 first: No
Field pattern: Field 1 only
bCopyProtect 0
VideoStreaming Interface Descriptor:
bLength 42
bDescriptorType 36
bDescriptorSubtype 5 (FRAME_UNCOMPRESSED)
bFrameIndex 1
bmCapabilities 0x00
Still image unsupported
wWidth 1280
wHeight 720
dwMinBitRate 1105920000
dwMaxBitRate 2654208000
dwMaxVideoFrameBufferSize 2764800
dwDefaultFrameInterval 83333
bFrameIntervalType 4
dwFrameInterval( 0) 83333
dwFrameInterval( 1) 166666
dwFrameInterval( 2) 166833
dwFrameInterval( 3) 200000
VideoStreaming Interface Descriptor:
bLength 50
bDescriptorType 36
bDescriptorSubtype 5 (FRAME_UNCOMPRESSED)
bFrameIndex 2
bmCapabilities 0x00
Still image unsupported
wWidth 1920
wHeight 1080
dwMinBitRate 1491499007
dwMaxBitRate 2985984000
dwMaxVideoFrameBufferSize 6220800
dwDefaultFrameInterval 83333
bFrameIntervalType 6
dwFrameInterval( 0) 83333
dwFrameInterval( 1) 166666
dwFrameInterval( 2) 166833
dwFrameInterval( 3) 200000
dwFrameInterval( 4) 333333
dwFrameInterval( 5) 333667
VideoStreaming Interface Descriptor:
bLength 34
bDescriptorType 36
bDescriptorSubtype 5 (FRAME_UNCOMPRESSED)
bFrameIndex 3
bmCapabilities 0x00
Still image unsupported
wWidth 2560
wHeight 1080
dwMinBitRate 3977330687
dwMaxBitRate 3981312000
dwMaxVideoFrameBufferSize 8294400
dwDefaultFrameInterval 166666
bFrameIntervalType 2
dwFrameInterval( 0) 166666
dwFrameInterval( 1) 166833
VideoStreaming Interface Descriptor:
bLength 46
bDescriptorType 36
bDescriptorSubtype 5 (FRAME_UNCOMPRESSED)
bFrameIndex 4
bmCapabilities 0x00
Still image unsupported
wWidth 2560
wHeight 1440
dwMinBitRate 2651553791
dwMaxBitRate 2654208000
dwMaxVideoFrameBufferSize 11059200
dwDefaultFrameInterval 166666
bFrameIntervalType 5
dwFrameInterval( 0) 166666
dwFrameInterval( 1) 166833
dwFrameInterval( 2) 200000
dwFrameInterval( 3) 333333
dwFrameInterval( 4) 333667
VideoStreaming Interface Descriptor:
bLength 6
bDescriptorType 36
bDescriptorSubtype 13 (COLORFORMAT)
bColorPrimaries 1 (BT.709,sRGB)
bTransferCharacteristics 1 (BT.709)
bMatrixCoefficients 1 (BT.709)
VideoStreaming Interface Descriptor:
bLength 27
bDescriptorType 36
bDescriptorSubtype 4 (FORMAT_UNCOMPRESSED)
bFormatIndex 7
bNumFrameDescriptors 5
guidFormat
{30313050-0000-0010-8000-00aa00389b71}
bBitsPerPixel 24
bDefaultFrameIndex 2
bAspectRatioX 0
bAspectRatioY 0
bmInterlaceFlags 0x00
Interlaced stream or variable: No
Fields per frame: 2 fields
Field 1 first: No
Field pattern: Field 1 only
bCopyProtect 0
VideoStreaming Interface Descriptor:
bLength 42
bDescriptorType 36
bDescriptorSubtype 5 (FRAME_UNCOMPRESSED)
bFrameIndex 1
bmCapabilities 0x00
Still image unsupported
wWidth 1280
wHeight 720
dwMinBitRate 1105920000
dwMaxBitRate 2654208000
dwMaxVideoFrameBufferSize 2764800
dwDefaultFrameInterval 83333
bFrameIntervalType 4
dwFrameInterval( 0) 83333
dwFrameInterval( 1) 166666
dwFrameInterval( 2) 166833
dwFrameInterval( 3) 200000
VideoStreaming Interface Descriptor:
bLength 50
bDescriptorType 36
bDescriptorSubtype 5 (FRAME_UNCOMPRESSED)
bFrameIndex 2
bmCapabilities 0x00
Still image unsupported
wWidth 1920
wHeight 1080
dwMinBitRate 1491499007
dwMaxBitRate 2985984000
dwMaxVideoFrameBufferSize 6220800
dwDefaultFrameInterval 83333
bFrameIntervalType 6
dwFrameInterval( 0) 83333
dwFrameInterval( 1) 166666
dwFrameInterval( 2) 166833
dwFrameInterval( 3) 200000
dwFrameInterval( 4) 333333
dwFrameInterval( 5) 333667
VideoStreaming Interface Descriptor:
bLength 34
bDescriptorType 36
bDescriptorSubtype 5 (FRAME_UNCOMPRESSED)
bFrameIndex 3
bmCapabilities 0x00
Still image unsupported
wWidth 2560
wHeight 1080
dwMinBitRate 3977330687
dwMaxBitRate 3981312000
dwMaxVideoFrameBufferSize 8294400
dwDefaultFrameInterval 166666
bFrameIntervalType 2
dwFrameInterval( 0) 166666
dwFrameInterval( 1) 166833
VideoStreaming Interface Descriptor:
bLength 46
bDescriptorType 36
bDescriptorSubtype 5 (FRAME_UNCOMPRESSED)
bFrameIndex 4
bmCapabilities 0x00
Still image unsupported
wWidth 2560
wHeight 1440
dwMinBitRate 2651553791
dwMaxBitRate 2654208000
dwMaxVideoFrameBufferSize 11059200
dwDefaultFrameInterval 166666
bFrameIntervalType 5
dwFrameInterval( 0) 166666
dwFrameInterval( 1) 166833
dwFrameInterval( 2) 200000
dwFrameInterval( 3) 333333
dwFrameInterval( 4) 333667
VideoStreaming Interface Descriptor:
bLength 34
bDescriptorType 36
bDescriptorSubtype 5 (FRAME_UNCOMPRESSED)
bFrameIndex 5
bmCapabilities 0x00
Still image unsupported
wWidth 3840
wHeight 2160
dwMinBitRate 4294967295
dwMaxBitRate 4294967295
dwMaxVideoFrameBufferSize 24883200
dwDefaultFrameInterval 333333
bFrameIntervalType 2
dwFrameInterval( 0) 333333
dwFrameInterval( 1) 333667
VideoStreaming Interface Descriptor:
bLength 6
bDescriptorType 36
bDescriptorSubtype 13 (COLORFORMAT)
bColorPrimaries 1 (BT.709,sRGB)
bTransferCharacteristics 1 (BT.709)
bMatrixCoefficients 1 (BT.709)
Endpoint Descriptor:
bLength 7
bDescriptorType 5
bEndpointAddress 0x82 EP 2 IN
bmAttributes 2
Transfer Type Bulk
Synch Type None
Usage Type Data
wMaxPacketSize 0x0400 1x 1024 bytes
bInterval 1
bMaxBurst 7
Interface Association:
bLength 8
bDescriptorType 11
bFirstInterface 2
bInterfaceCount 2
bFunctionClass 1 Audio
bFunctionSubClass 1 Control Device
bFunctionProtocol 0
iFunction 8 Elgato 4K X
Interface Descriptor:
bLength 9
bDescriptorType 4
bInterfaceNumber 2
bAlternateSetting 0
bNumEndpoints 0
bInterfaceClass 1 Audio
bInterfaceSubClass 1 Control Device
bInterfaceProtocol 0
iInterface 8 Elgato 4K X
AudioControl Interface Descriptor:
bLength 9
bDescriptorType 36
bDescriptorSubtype 1 (HEADER)
bcdADC 1.00
wTotalLength 0x002d
bInCollection 1
baInterfaceNr(0) 3
AudioControl Interface Descriptor:
bLength 12
bDescriptorType 36
bDescriptorSubtype 2 (INPUT_TERMINAL)
bTerminalID 1
wTerminalType 0x0602 Digital Audio Interface
bAssocTerminal 0
bNrChannels 2
wChannelConfig 0x0003
Left Front (L)
Right Front (R)
iChannelNames 0
iTerminal 10 Elgato 4K X
AudioControl Interface Descriptor:
bLength 9
bDescriptorType 36
bDescriptorSubtype 3 (OUTPUT_TERMINAL)
bTerminalID 2
wTerminalType 0x0101 USB Streaming
bAssocTerminal 0
bSourceID 3
iTerminal 0
AudioControl Interface Descriptor:
bLength 8
bDescriptorType 36
bDescriptorSubtype 6 (FEATURE_UNIT)
bUnitID 3
bSourceID 4
bControlSize 1
bmaControls(0) 0x01
Mute Control
iFeature 0
AudioControl Interface Descriptor:
bLength 7
bDescriptorType 36
bDescriptorSubtype 5 (SELECTOR_UNIT)
bUnitID 4
bNrInPins 1
baSourceID(0) 1
iSelector 0
Interface Descriptor:
bLength 9
bDescriptorType 4
bInterfaceNumber 3
bAlternateSetting 0
bNumEndpoints 0
bInterfaceClass 1 Audio
bInterfaceSubClass 2 Streaming
bInterfaceProtocol 0
iInterface 10 Elgato 4K X
Interface Descriptor:
bLength 9
bDescriptorType 4
bInterfaceNumber 3
bAlternateSetting 1
bNumEndpoints 1
bInterfaceClass 1 Audio
bInterfaceSubClass 2 Streaming
bInterfaceProtocol 0
iInterface 10 Elgato 4K X
AudioStreaming Interface Descriptor:
bLength 7
bDescriptorType 36
bDescriptorSubtype 1 (AS_GENERAL)
bTerminalLink 2
bDelay 1 frames
wFormatTag 0x0001 PCM
AudioStreaming Interface Descriptor:
bLength 11
bDescriptorType 36
bDescriptorSubtype 2 (FORMAT_TYPE)
bFormatType 1 (FORMAT_TYPE_I)
bNrChannels 2
bSubframeSize 2
bBitResolution 16
bSamFreqType 1 Discrete
tSamFreq[ 0] 48000
Endpoint Descriptor:
bLength 7
bDescriptorType 5
bEndpointAddress 0x83 EP 3 IN
bmAttributes 5
Transfer Type Isochronous
Synch Type Asynchronous
Usage Type Data
wMaxPacketSize 0x00d0 1x 208 bytes
bInterval 4
bMaxBurst 0
AudioStreaming Endpoint Descriptor:
bLength 7
bDescriptorType 37
bDescriptorSubtype 1 (EP_GENERAL)
bmAttributes 0x01
Sampling Frequency
bLockDelayUnits 0 Undefined
wLockDelay 0x0000
Binary Object Store Descriptor:
bLength 5
bDescriptorType 15
wTotalLength 0x002a
bNumDeviceCaps 3
USB 2.0 Extension Device Capability:
bLength 7
bDescriptorType 16
bDevCapabilityType 2
bmAttributes 0x0000f41e
BESL Link Power Management (LPM) Supported
BESL value 1024 us
Deep BESL value 61440 us
SuperSpeed USB Device Capability:
bLength 10
bDescriptorType 16
bDevCapabilityType 3
bmAttributes 0x00
wSpeedsSupported 0x000e
Device can operate at Full Speed (12Mbps)
Device can operate at High Speed (480Mbps)
Device can operate at SuperSpeed (5Gbps)
bFunctionalitySupport 1
Lowest fully-functional device speed is Full Speed (12Mbps)
bU1DevExitLat 10 micro seconds
bU2DevExitLat 2047 micro seconds
SuperSpeedPlus USB Device Capability:
bLength 20
bDescriptorType 16
bDevCapabilityType 10
bmAttributes 0x00000001
Sublink Speed Attribute count 2
Sublink Speed ID count 1
wFunctionalitySupport 0x1100
Min functional Speed Attribute ID: 0
Min functional RX lanes: 1
Min functional TX lanes: 1
bmSublinkSpeedAttr[0] 0x000a4030
Speed Attribute ID: 0 10Gb/s Symmetric RX SuperSpeedPlus
bmSublinkSpeedAttr[1] 0x000a40b0
Speed Attribute ID: 0 10Gb/s Symmetric TX SuperSpeedPlus
Device Status: 0x0001
Self Powered
nkowalski@Eva-Mi
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next prev parent reply other threads:[~2025-05-04 0:27 UTC|newest]
Thread overview: 17+ messages / expand[flat|nested] mbox.gz Atom feed top
2025-04-17 18:26 [Bug 220027] New: USB 3.2 capture cards using incorrect USB speed bugzilla-daemon
2025-04-18 1:07 ` [Bug 220027] " bugzilla-daemon
2025-04-26 8:39 ` bugzilla-daemon
2025-04-26 16:15 ` bugzilla-daemon
2025-04-27 23:27 ` bugzilla-daemon
2025-04-30 6:35 ` bugzilla-daemon
2025-04-30 19:54 ` bugzilla-daemon
2025-05-02 9:41 ` bugzilla-daemon
2025-05-02 15:19 ` bugzilla-daemon
2025-05-02 20:36 ` bugzilla-daemon
2025-05-03 15:31 ` bugzilla-daemon
2025-05-03 15:59 ` bugzilla-daemon
2025-05-04 0:27 ` bugzilla-daemon [this message]
2026-02-12 21:59 ` bugzilla-daemon
2026-02-14 21:27 ` bugzilla-daemon
2026-02-15 6:59 ` Greg KH
2026-02-15 6:59 ` bugzilla-daemon
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