From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from smtp.kernel.org (aws-us-west-2-korg-mail-1.web.codeaurora.org [10.30.226.201]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 3C76F748F for ; Sun, 4 May 2025 00:27:32 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=10.30.226.201 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1746318453; cv=none; b=gUNOoCqXBZnT0K6ITDsfXtIXpZQGRGThY3YmUZ8xll23nB0ETjj1VyTIJdDl03uBegjzs9HrbP97CYmvfrXXSiE/va6MLopfxWC916uj+X3aGkSG6/5WUYqX/bKZR9pdOSFl2sNIp/MJhw4OrrngORswMeB6pjlB/2S4psB1IsI= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1746318453; c=relaxed/simple; bh=Zn2sbymlgse0n8c7sDJQJmNFzQx7D7YjRdYI0BFyyHQ=; h=From:To:Subject:Date:Message-ID:In-Reply-To:References: Content-Type:MIME-Version; b=AEi5KhEkTXfaN1Sw5La2lo156WBwAmqy6sMf/+2JTKJfC/AwhRrPSb+jvvT7WpGxep4qnTmrE/PjoH5GrReGLKn+Iu8BzHbNgZ3u8KyXtwOS9w+0uazHzptSPTqRiwkex77Hy7nsy6s6nSkEyIsfPu198KBPVtXeFAUnof2044w= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b=pDklXHCb; arc=none smtp.client-ip=10.30.226.201 Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b="pDklXHCb" Received: by smtp.kernel.org (Postfix) with ESMTPS id A0727C4CEEB for ; Sun, 4 May 2025 00:27:32 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1746318452; bh=Zn2sbymlgse0n8c7sDJQJmNFzQx7D7YjRdYI0BFyyHQ=; h=From:To:Subject:Date:In-Reply-To:References:From; b=pDklXHCbuV248af4RKU4SJbjyngE6TADvg4gM8w1OhkppQ8vsGTbZY7t5z23UPr5V FoRuU8oHOt8L9sz7hRGtXyMVYI6M2KmXlk+aVYtaRVz3Lm/rmLzHAoUxzyxrkYo/+n RqW+BUrESQ7CDMLtkdorST7rVX6js/idlOsApRuQUCt97yHt3jOJIDeWCv/hbHbaU8 POpnd7ckcMAiGf034/AKFTusnx59xEHiAqEf5Qo7KNjsT15Z98mzUud+Ws0l8P5/2H iqY9i778Y5CFTFgxfqDkbp+2KL1b9CLCZt2ot05O9RU1rJXCV7iM07E7ziHefOnluc yMn9q2JBjXyLQ== Received: by aws-us-west-2-korg-bugzilla-1.web.codeaurora.org (Postfix, from userid 48) id 91902C3279F; Sun, 4 May 2025 00:27:32 +0000 (UTC) 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 X-Bugzilla-Reason: None X-Bugzilla-Type: changed X-Bugzilla-Watch-Reason: AssignedTo drivers_usb@kernel-bugs.kernel.org X-Bugzilla-Product: Drivers X-Bugzilla-Component: USB X-Bugzilla-Version: 2.5 X-Bugzilla-Keywords: X-Bugzilla-Severity: normal X-Bugzilla-Who: nrkowalski@gmail.com X-Bugzilla-Status: NEW X-Bugzilla-Resolution: X-Bugzilla-Priority: P3 X-Bugzilla-Assigned-To: drivers_usb@kernel-bugs.kernel.org X-Bugzilla-Flags: X-Bugzilla-Changed-Fields: Message-ID: In-Reply-To: References: Content-Type: text/plain; charset="UTF-8" Content-Transfer-Encoding: quoted-printable X-Bugzilla-URL: https://bugzilla.kernel.org/ Auto-Submitted: auto-generated Precedence: bulk X-Mailing-List: linux-usb@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 https://bugzilla.kernel.org/show_bug.cgi?id=3D220027 --- 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=20 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=20 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=20 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=20 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=20 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=20 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=20 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=20=20=20=20=20=20=20=20=20=20=20=20=20=20=20=20=20=20=20= =20=20=20=20=20=20=20=20 {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=20=20=20=20=20=20=20=20=20=20=20=20=20=20=20=20=20=20=20= =20=20=20=20=20=20=20=20 {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=20=20=20=20=20=20=20=20=20=20=20=20=20=20=20=20=20=20=20= =20=20=20=20=20=20=20=20 {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=20=20=20=20=20=20=20=20=20=20=20=20=20=20=20=20=20=20=20= =20=20=20=20=20=20=20=20 {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=20=20=20=20=20=20=20=20=20=20=20=20=20=20=20=20=20=20=20= =20=20=20=20=20=20=20=20 {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=20 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=20 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=20 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=20 AudioControl Interface Descriptor: bLength 8 bDescriptorType 36 bDescriptorSubtype 6 (FEATURE_UNIT) bUnitID 3 bSourceID 4 bControlSize 1 bmaControls(0) 0x01 Mute Control iFeature 0=20 AudioControl Interface Descriptor: bLength 7 bDescriptorType 36 bDescriptorSubtype 5 (SELECTOR_UNIT) bUnitID 4 bNrInPins 1 baSourceID(0) 1 iSelector 0=20 Interface Descriptor: bLength 9 bDescriptorType 4 bInterfaceNumber 3 bAlternateSetting 0 bNumEndpoints 0 bInterfaceClass 1 Audio bInterfaceSubClass 2 Streaming bInterfaceProtocol 0=20 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=20 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=20 Deep BESL value 61440 us=20 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 --=20 You may reply to this email to add a comment. 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