From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from mail-oo1-f46.google.com (mail-oo1-f46.google.com [209.85.161.46]) (using TLSv1.2 with cipher ECDHE-RSA-AES128-GCM-SHA256 (128/128 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 2BC901DFCF for ; Thu, 21 Mar 2024 23:54:58 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=209.85.161.46 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1711065301; cv=none; b=mjMLg9UDFjLMa/NDSuD+Cz0Vrzs6A8shtiqfkH+USnFnsiOHazCGmzf/W1yQ2Bz2DEEXnSe+dE0IR1fY4sOGs8KMLYvC80sWsva7BrQduBF0xsTnZ5EwhvxaFWuR7D5wXJpZbq+PqbrJpKOukC8y8xAzABz3gsA7au7S+gRNwyg= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1711065301; c=relaxed/simple; bh=ErJDfHI3/G27Qv2eXDZd3chfO4/vjNrWbpjuBz6Eo4A=; h=MIME-Version:References:In-Reply-To:From:Date:Message-ID:Subject: To:Cc:Content-Type; b=Icsf46XaOzCf2HUq008YCv7W0qBdNFWtW+g+OkT2JPy0Txeic0DSOFmCM/4JGwGk+S1GU5nmW4YHiVf1ex5GQRyuZulEVdz8JpJlIX3yMgfTgkI4poc0Dlr6m0SljzUNhc5r7RkfxMV4m2Cq1glOt7Yz9mQ2QKKaArKaytgT5g4= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=gmail.com; spf=pass smtp.mailfrom=gmail.com; dkim=pass (2048-bit key) header.d=gmail.com header.i=@gmail.com header.b=QsFrDkzF; arc=none smtp.client-ip=209.85.161.46 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=gmail.com Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=gmail.com Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=gmail.com header.i=@gmail.com header.b="QsFrDkzF" Received: by mail-oo1-f46.google.com with SMTP id 006d021491bc7-5a496fde460so764256eaf.1 for ; Thu, 21 Mar 2024 16:54:57 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20230601; t=1711065297; x=1711670097; darn=vger.kernel.org; h=content-transfer-encoding:cc:to:subject:message-id:date:from :in-reply-to:references:mime-version:from:to:cc:subject:date :message-id:reply-to; bh=j9k+T1FHjL5oI9jwHv7ut/LLueSmhdew285yiJNiMpM=; b=QsFrDkzF1yrWrGcIAR0sR1UvAjK1/E2YSkYePMxrvcyE7Sh27hfpQzGquzb9mJsZMc aCOy8QjqMdE3YbmnhlMwwAlFONnW506yzozTSEuUFwgVokq8edfbqOWi5udvX9VGx4UK lyIrk3a5eSrT03ZD8Pk+19PiFHpIu0Gx/SA73pdIns+2TnY9OpHeE2GiXyS8z/bmDPRv nFE9fUaY8Ltp+LdnLeLcICkEoTmUIP5PSwJKDfHruU7NqbfidJL7KBcaxkVsZYc8t7II VZY8Cu+HSNh7ndpg1lXccDKsTP0FSkDuVQGEwZtay95wsL0nuuxzWY/A1qJIqAdlrP+G 2ytg== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20230601; t=1711065297; x=1711670097; h=content-transfer-encoding:cc:to:subject:message-id:date:from :in-reply-to:references:mime-version:x-gm-message-state:from:to:cc :subject:date:message-id:reply-to; bh=j9k+T1FHjL5oI9jwHv7ut/LLueSmhdew285yiJNiMpM=; b=ZgvpXccppSxCKh3ueRBUghMS14VKz/xFuFLYf8qecbDLxs0rnMxGEd4O6DrKmZR/iQ ZQaLqQ7EY8wcyvhXDtnKk2FKh06QReUuB1QmE032DX0vSeEJ3TA6HbqU0dNzrLRVbFb1 N/g4Tsg6qpN/Y1YEofmtWM+BWtLXxRtmRrC8+NaSu13k0eTK7RcI1k5/+HXgp4g9aBuN qdXYngQIwmjP66LvR50xjalgqy6kGV4s1XZ1SKtq20+/qUK3TjVxNImkn2QVRPOdRrFU MQ3tC0H1X+8NljV+2d4MDqV+dzLMNuFt+TaG3a9MWXlGNYBglWfqMx+Pw3Lf9+0s3xM7 WFBA== X-Forwarded-Encrypted: i=1; AJvYcCUlUFsQXMtui9Fz1IP9c82kMYZLnAIqrZh8LcGULfRuzXbtpLchgcAPCwB+TGpYv8IFcZiGj3o+gbALMoyKmqRjw8pVd2t2PeZkRZI= X-Gm-Message-State: AOJu0YxE9J2/cBByuFu4NId5+XBt2vG55sOy3EkhuSMiKNAaru/JnEqQ LC+RpVzYfcw9weG8O2FJVmEnOBPWoXrjbGGJlEwGwaEWXVjMXtVDCEQtOdCO4guRpiR5gIc4fjJ My961Jnnbj8MlyIlUbcOLiG6JzYL5BrOmcAATyGBM X-Google-Smtp-Source: AGHT+IG8OmpfDshxccXdxuDE340RlQwfoY4Ix+G+2TYzpCNDQxsKVO3psg1nK6EMBXERAZV/ZNMelbw2rMQEgt/bdyg= X-Received: by 2002:a05:6820:308a:b0:5a4:f5b6:4eca with SMTP id eu10-20020a056820308a00b005a4f5b64ecamr1029768oob.7.1711065296930; Thu, 21 Mar 2024 16:54:56 -0700 (PDT) Precedence: bulk X-Mailing-List: linux-media@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 References: <20240319044200.32488-1-linh.tp.vu@gmail.com> In-Reply-To: From: Linh Vu Date: Fri, 22 Mar 2024 10:54:45 +1100 Message-ID: Subject: Re: [PATCH] media: uvcvideo: fix incorrect minimum value mapping for relative ptz controls To: Ricardo Ribalda Cc: Gergo Koteles , laurent.pinchart@ideasonboard.com, mchehab@kernel.org, linux-media@vger.kernel.org Content-Type: text/plain; charset="UTF-8" Content-Transfer-Encoding: quoted-printable Hi Ricardo, Apology for the late reply, I had to go into the office to grab some device= s. Below is the "lsusb -v" dump, followed by raw values for UVC_GET_MIN and _M= AX for UVC_CT_PANTILT_RELATIVE_CONTROL and UVC_CT_ZOOM_RELATIVE_CONTROL for 2 different PTZ cameras I've got. Bus 002 Device 005: ID 3564:fef8 Remo Tech Co., Ltd. OBSBOT Tiny 2 Device Descriptor: bLength 18 bDescriptorType 1 bcdUSB 3.10 bDeviceClass 239 Miscellaneous Device bDeviceSubClass 2 bDeviceProtocol 1 Interface Association bMaxPacketSize0 9 idVendor 0x3564 idProduct 0xfef8 bcdDevice 4.09 iManufacturer 1 Remo Tech Co., Ltd. iProduct 2 OBSBOT Tiny 2 iSerial 0 bNumConfigurations 1 Configuration Descriptor: bLength 9 bDescriptorType 2 wTotalLength 0x04c2 bNumInterfaces 4 bConfigurationValue 1 iConfiguration 4 OBSBOT Multifunction bmAttributes 0xc0 Self Powered MaxPower 0mA Interface Association: bLength 8 bDescriptorType 11 bFirstInterface 0 bInterfaceCount 2 bFunctionClass 14 Video bFunctionSubClass 3 Video Interface Collection bFunctionProtocol 0 iFunction 5 OBSBOT Tiny 2 StreamCamera Interface Descriptor: bLength 9 bDescriptorType 4 bInterfaceNumber 0 bAlternateSetting 0 bNumEndpoints 1 bInterfaceClass 14 Video bInterfaceSubClass 1 Video Control bInterfaceProtocol 0 iInterface 5 OBSBOT Tiny 2 StreamCamera VideoControl Interface Descriptor: bLength 13 bDescriptorType 36 bDescriptorSubtype 1 (HEADER) bcdUVC 1.00 wTotalLength 0x004e dwClockFrequency 48.000000MHz 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 0x00023e3e Auto-Exposure Mode Auto-Exposure Priority Exposure Time (Absolute) Exposure Time (Relative) Focus (Absolute) Zoom (Absolute) Zoom (Relative) PanTilt (Absolute) PanTilt (Relative) Roll (Absolute) Focus, Auto VideoControl Interface Descriptor: bLength 11 bDescriptorType 36 bDescriptorSubtype 5 (PROCESSING_UNIT) Warning: Descriptor too short bUnitID 3 bSourceID 1 wMaxMultiplier 400 bControlSize 2 bmControls 0x0000f7df Brightness Contrast Hue Saturation Sharpness White Balance Temperature White Balance Component Backlight Compensation Gain Power Line Frequency White Balance Temperature, Auto White Balance Component, Auto Digital Multiplier Digital Multiplier Limit iProcessing 0 bmVideoStandards 0x1b None NTSC - 525/60 SECAM - 625/50 NTSC - 625/50 VideoControl Interface Descriptor: bLength 27 bDescriptorType 36 bDescriptorSubtype 6 (EXTENSION_UNIT) bUnitID 2 guidExtensionCode {9a1e7291-6843-4683-6d92-39bc7906ee49} bNumControls 7 bNrInPins 1 baSourceID( 0) 3 bControlSize 2 bmControls( 0) 0x7f bmControls( 1) 0x00 iExtension 0 VideoControl Interface Descriptor: bLength 9 bDescriptorType 36 bDescriptorSubtype 3 (OUTPUT_TERMINAL) bTerminalID 7 wTerminalType 0x0101 USB Streaming bAssocTerminal 0 bSourceID 2 iTerminal 0 Endpoint Descriptor: bLength 7 bDescriptorType 5 bEndpointAddress 0x84 EP 4 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 Video Streaming VideoStreaming Interface Descriptor: bLength 16 bDescriptorType 36 bDescriptorSubtype 1 (INPUT_HEADER) bNumFormats 3 wTotalLength 0x03c0 bEndpointAddress 0x81 EP 1 IN bmInfo 0 bTerminalLink 7 bStillCaptureMethod 0 bTriggerSupport 0 bTriggerUsage 0 bControlSize 1 bmaControls( 0) 4 bmaControls( 1) 0 bmaControls( 2) 4 VideoStreaming Interface Descriptor: bLength 11 bDescriptorType 36 bDescriptorSubtype 6 (FORMAT_MJPEG) bFormatIndex 1 bNumFrameDescriptors 6 bFlags 0 Fixed-size samples: No 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 50 bDescriptorType 36 bDescriptorSubtype 7 (FRAME_MJPEG) bFrameIndex 1 bmCapabilities 0x00 Still image unsupported wWidth 1920 wHeight 1080 dwMinBitRate 995328000 dwMaxBitRate 1990656000 dwMaxVideoFrameBufferSize 4147200 dwDefaultFrameInterval 333333 bFrameIntervalType 6 dwFrameInterval( 0) 166666 dwFrameInterval( 1) 333333 dwFrameInterval( 2) 400000 dwFrameInterval( 3) 416666 dwFrameInterval( 4) 500000 dwFrameInterval( 5) 666666 VideoStreaming Interface Descriptor: bLength 46 bDescriptorType 36 bDescriptorSubtype 7 (FRAME_MJPEG) bFrameIndex 2 bmCapabilities 0x00 Still image unsupported wWidth 3840 wHeight 2160 dwMinBitRate 1327104000 dwMaxBitRate 1327104000 dwMaxVideoFrameBufferSize 16588800 dwDefaultFrameInterval 333333 bFrameIntervalType 5 dwFrameInterval( 0) 333333 dwFrameInterval( 1) 400000 dwFrameInterval( 2) 416666 dwFrameInterval( 3) 500000 dwFrameInterval( 4) 666666 VideoStreaming Interface Descriptor: bLength 50 bDescriptorType 36 bDescriptorSubtype 7 (FRAME_MJPEG) bFrameIndex 3 bmCapabilities 0x00 Still image unsupported wWidth 1280 wHeight 720 dwMinBitRate 221184000 dwMaxBitRate 884736000 dwMaxVideoFrameBufferSize 1843200 dwDefaultFrameInterval 333333 bFrameIntervalType 6 dwFrameInterval( 0) 166666 dwFrameInterval( 1) 333333 dwFrameInterval( 2) 400000 dwFrameInterval( 3) 416666 dwFrameInterval( 4) 500000 dwFrameInterval( 5) 666666 VideoStreaming Interface Descriptor: bLength 50 bDescriptorType 36 bDescriptorSubtype 7 (FRAME_MJPEG) bFrameIndex 4 bmCapabilities 0x00 Still image unsupported wWidth 1280 wHeight 960 dwMinBitRate 294912000 dwMaxBitRate 1179648000 dwMaxVideoFrameBufferSize 2457600 dwDefaultFrameInterval 333333 bFrameIntervalType 6 dwFrameInterval( 0) 166666 dwFrameInterval( 1) 333333 dwFrameInterval( 2) 400000 dwFrameInterval( 3) 416666 dwFrameInterval( 4) 500000 dwFrameInterval( 5) 666666 VideoStreaming Interface Descriptor: bLength 50 bDescriptorType 36 bDescriptorSubtype 7 (FRAME_MJPEG) bFrameIndex 5 bmCapabilities 0x00 Still image unsupported wWidth 1920 wHeight 1440 dwMinBitRate 663552000 dwMaxBitRate 1327104000 dwMaxVideoFrameBufferSize 5529600 dwDefaultFrameInterval 333333 bFrameIntervalType 6 dwFrameInterval( 0) 166666 dwFrameInterval( 1) 333333 dwFrameInterval( 2) 400000 dwFrameInterval( 3) 416666 dwFrameInterval( 4) 500000 dwFrameInterval( 5) 666666 VideoStreaming Interface Descriptor: bLength 46 bDescriptorType 36 bDescriptorSubtype 7 (FRAME_MJPEG) bFrameIndex 6 bmCapabilities 0x00 Still image unsupported wWidth 4000 wHeight 3000 dwMinBitRate 1920000000 dwMaxBitRate 1920000000 dwMaxVideoFrameBufferSize 24000000 dwDefaultFrameInterval 333333 bFrameIntervalType 5 dwFrameInterval( 0) 333333 dwFrameInterval( 1) 400000 dwFrameInterval( 2) 416666 dwFrameInterval( 3) 500000 dwFrameInterval( 4) 666666 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)) VideoStreaming Interface Descriptor: bLength 27 bDescriptorType 36 bDescriptorSubtype 4 (FORMAT_UNCOMPRESSED) bFormatIndex 2 bNumFrameDescriptors 7 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 50 bDescriptorType 36 bDescriptorSubtype 5 (FRAME_UNCOMPRESSED) bFrameIndex 1 bmCapabilities 0x00 Still image unsupported wWidth 640 wHeight 360 dwMinBitRate 55296000 dwMaxBitRate 221184000 dwMaxVideoFrameBufferSize 460800 dwDefaultFrameInterval 333333 bFrameIntervalType 6 dwFrameInterval( 0) 166666 dwFrameInterval( 1) 333333 dwFrameInterval( 2) 400000 dwFrameInterval( 3) 416666 dwFrameInterval( 4) 500000 dwFrameInterval( 5) 666666 VideoStreaming Interface Descriptor: bLength 50 bDescriptorType 36 bDescriptorSubtype 5 (FRAME_UNCOMPRESSED) bFrameIndex 2 bmCapabilities 0x00 Still image unsupported wWidth 640 wHeight 480 dwMinBitRate 73728000 dwMaxBitRate 294912000 dwMaxVideoFrameBufferSize 614400 dwDefaultFrameInterval 333333 bFrameIntervalType 6 dwFrameInterval( 0) 166666 dwFrameInterval( 1) 333333 dwFrameInterval( 2) 400000 dwFrameInterval( 3) 416666 dwFrameInterval( 4) 500000 dwFrameInterval( 5) 666666 VideoStreaming Interface Descriptor: bLength 50 bDescriptorType 36 bDescriptorSubtype 5 (FRAME_UNCOMPRESSED) bFrameIndex 3 bmCapabilities 0x00 Still image unsupported wWidth 1280 wHeight 720 dwMinBitRate 221184000 dwMaxBitRate 884736000 dwMaxVideoFrameBufferSize 1843200 dwDefaultFrameInterval 333333 bFrameIntervalType 6 dwFrameInterval( 0) 166666 dwFrameInterval( 1) 333333 dwFrameInterval( 2) 400000 dwFrameInterval( 3) 416666 dwFrameInterval( 4) 500000 dwFrameInterval( 5) 666666 VideoStreaming Interface Descriptor: bLength 50 bDescriptorType 36 bDescriptorSubtype 5 (FRAME_UNCOMPRESSED) bFrameIndex 4 bmCapabilities 0x00 Still image unsupported wWidth 1280 wHeight 960 dwMinBitRate 294912000 dwMaxBitRate 1179648000 dwMaxVideoFrameBufferSize 2457600 dwDefaultFrameInterval 333333 bFrameIntervalType 6 dwFrameInterval( 0) 166666 dwFrameInterval( 1) 333333 dwFrameInterval( 2) 400000 dwFrameInterval( 3) 416666 dwFrameInterval( 4) 500000 dwFrameInterval( 5) 666666 VideoStreaming Interface Descriptor: bLength 46 bDescriptorType 36 bDescriptorSubtype 5 (FRAME_UNCOMPRESSED) bFrameIndex 5 bmCapabilities 0x00 Still image unsupported wWidth 1920 wHeight 1080 dwMinBitRate 497664000 dwMaxBitRate 995328000 dwMaxVideoFrameBufferSize 4147200 dwDefaultFrameInterval 333333 bFrameIntervalType 5 dwFrameInterval( 0) 333333 dwFrameInterval( 1) 400000 dwFrameInterval( 2) 416666 dwFrameInterval( 3) 500000 dwFrameInterval( 4) 666666 VideoStreaming Interface Descriptor: bLength 46 bDescriptorType 36 bDescriptorSubtype 5 (FRAME_UNCOMPRESSED) bFrameIndex 6 bmCapabilities 0x00 Still image unsupported wWidth 1920 wHeight 1440 dwMinBitRate 663552000 dwMaxBitRate 1327104000 dwMaxVideoFrameBufferSize 5529600 dwDefaultFrameInterval 333333 bFrameIntervalType 5 dwFrameInterval( 0) 333333 dwFrameInterval( 1) 400000 dwFrameInterval( 2) 416666 dwFrameInterval( 3) 500000 dwFrameInterval( 4) 666666 VideoStreaming Interface Descriptor: bLength 30 bDescriptorType 36 bDescriptorSubtype 5 (FRAME_UNCOMPRESSED) bFrameIndex 7 bmCapabilities 0x00 Still image unsupported wWidth 3840 wHeight 2160 dwMinBitRate 1990656000 dwMaxBitRate 1990656000 dwMaxVideoFrameBufferSize 16588800 dwDefaultFrameInterval 666666 bFrameIntervalType 1 dwFrameInterval( 0) 666666 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)) VideoStreaming Interface Descriptor: bLength 28 bDescriptorType 36 bDescriptorSubtype 16 (FORMAT_FRAME_BASED) bFormatIndex 3 bNumFrameDescriptors 5 guidFormat {34363248-0000-0010-8000-00aa00389b71} bBitsPerPixel 16 bDefaultFrameIndex 1 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 bVariableSize 1 VideoStreaming Interface Descriptor: bLength 50 bDescriptorType 36 bDescriptorSubtype 17 (FRAME_FRAME_BASED) bFrameIndex 1 bmCapabilities 0x00 Still image unsupported wWidth 1920 wHeight 1080 dwMinBitRate 497664000 dwMaxBitRate 1990656000 dwDefaultFrameInterval 333333 bFrameIntervalType 6 dwBytesPerLine 0 dwFrameInterval( 0) 166666 dwFrameInterval( 1) 333333 dwFrameInterval( 2) 400000 dwFrameInterval( 3) 416666 dwFrameInterval( 4) 500000 dwFrameInterval( 5) 666666 VideoStreaming Interface Descriptor: bLength 46 bDescriptorType 36 bDescriptorSubtype 17 (FRAME_FRAME_BASED) bFrameIndex 2 bmCapabilities 0x00 Still image unsupported wWidth 3840 wHeight 2160 dwMinBitRate 1327104000 dwMaxBitRate 1327104000 dwDefaultFrameInterval 333333 bFrameIntervalType 5 dwBytesPerLine 0 dwFrameInterval( 0) 333333 dwFrameInterval( 1) 400000 dwFrameInterval( 2) 416666 dwFrameInterval( 3) 500000 dwFrameInterval( 4) 666666 VideoStreaming Interface Descriptor: bLength 50 bDescriptorType 36 bDescriptorSubtype 17 (FRAME_FRAME_BASED) bFrameIndex 4 bmCapabilities 0x00 Still image unsupported wWidth 1280 wHeight 720 dwMinBitRate 221184000 dwMaxBitRate 884736000 dwDefaultFrameInterval 333333 bFrameIntervalType 6 dwBytesPerLine 0 dwFrameInterval( 0) 166666 dwFrameInterval( 1) 333333 dwFrameInterval( 2) 400000 dwFrameInterval( 3) 416666 dwFrameInterval( 4) 500000 dwFrameInterval( 5) 666666 VideoStreaming Interface Descriptor: bLength 50 bDescriptorType 36 bDescriptorSubtype 17 (FRAME_FRAME_BASED) bFrameIndex 5 bmCapabilities 0x00 Still image unsupported wWidth 1280 wHeight 960 dwMinBitRate 294912000 dwMaxBitRate 1179648000 dwDefaultFrameInterval 333333 bFrameIntervalType 6 dwBytesPerLine 0 dwFrameInterval( 0) 166666 dwFrameInterval( 1) 333333 dwFrameInterval( 2) 400000 dwFrameInterval( 3) 416666 dwFrameInterval( 4) 500000 dwFrameInterval( 5) 666666 VideoStreaming Interface Descriptor: bLength 50 bDescriptorType 36 bDescriptorSubtype 17 (FRAME_FRAME_BASED) bFrameIndex 6 bmCapabilities 0x00 Still image unsupported wWidth 1920 wHeight 1440 dwMinBitRate 663552000 dwMaxBitRate 1327104000 dwDefaultFrameInterval 333333 bFrameIntervalType 6 dwBytesPerLine 0 dwFrameInterval( 0) 166666 dwFrameInterval( 1) 333333 dwFrameInterval( 2) 400000 dwFrameInterval( 3) 416666 dwFrameInterval( 4) 500000 dwFrameInterval( 5) 666666 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)) Endpoint Descriptor: bLength 7 bDescriptorType 5 bEndpointAddress 0x81 EP 1 IN bmAttributes 2 Transfer Type Bulk Synch Type None Usage Type Data wMaxPacketSize 0x0400 1x 1024 bytes bInterval 0 bMaxBurst 13 Interface Association: bLength 8 bDescriptorType 11 bFirstInterface 2 bInterfaceCount 2 bFunctionClass 1 Audio bFunctionSubClass 0 bFunctionProtocol 0 iFunction 8 OBSBOT Tiny2 Audio Interface Descriptor: bLength 9 bDescriptorType 4 bInterfaceNumber 2 bAlternateSetting 0 bNumEndpoints 0 bInterfaceClass 1 Audio bInterfaceSubClass 1 Control Device bInterfaceProtocol 0 iInterface 8 OBSBOT Tiny2 Audio AudioControl Interface Descriptor: bLength 9 bDescriptorType 36 bDescriptorSubtype 1 (HEADER) bcdADC 1.00 wTotalLength 0x0027 bInCollection 1 baInterfaceNr(0) 3 AudioControl Interface Descriptor: bLength 12 bDescriptorType 36 bDescriptorSubtype 2 (INPUT_TERMINAL) bTerminalID 3 wTerminalType 0x0201 Microphone bAssocTerminal 0 bNrChannels 2 wChannelConfig 0x0003 Left Front (L) Right Front (R) iChannelNames 13 Capture Channels iTerminal 12 OBSBOT Tiny2 Microphone AudioControl Interface Descriptor: bLength 9 bDescriptorType 36 bDescriptorSubtype 3 (OUTPUT_TERMINAL) bTerminalID 4 wTerminalType 0x0101 USB Streaming bAssocTerminal 0 bSourceID 5 iTerminal 14 Capture Output terminal AudioControl Interface Descriptor: bLength 9 bDescriptorType 36 bDescriptorSubtype 6 (FEATURE_UNIT) bUnitID 5 bSourceID 3 bControlSize 2 bmaControls(0) 0x0003 Mute Control Volume Control iFeature 0 Interface Descriptor: bLength 9 bDescriptorType 4 bInterfaceNumber 3 bAlternateSetting 0 bNumEndpoints 0 bInterfaceClass 1 Audio bInterfaceSubClass 2 Streaming bInterfaceProtocol 0 iInterface 17 OBSBOT Tiny2 Microphone Interface Descriptor: bLength 9 bDescriptorType 4 bInterfaceNumber 3 bAlternateSetting 1 bNumEndpoints 1 bInterfaceClass 1 Audio bInterfaceSubClass 2 Streaming bInterfaceProtocol 0 iInterface 18 Capture Active AudioStreaming Interface Descriptor: bLength 7 bDescriptorType 36 bDescriptorSubtype 1 (AS_GENERAL) bTerminalLink 4 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 9 bDescriptorType 5 bEndpointAddress 0x82 EP 2 IN bmAttributes 5 Transfer Type Isochronous Synch Type Asynchronous Usage Type Data wMaxPacketSize 0x00c0 1x 192 bytes bInterval 4 bRefresh 0 bSynchAddress 0 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 0x0016 bNumDeviceCaps 2 USB 2.0 Extension Device Capability: bLength 7 bDescriptorType 16 bDevCapabilityType 2 bmAttributes 0x00000006 BESL Link Power Management (LPM) Supported SuperSpeed USB Device Capability: bLength 10 bDescriptorType 16 bDevCapabilityType 3 bmAttributes 0x00 wSpeedsSupported 0x000f Device can operate at Low Speed (1Mbps) 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 1 micro seconds bU2DevExitLat 500 micro seconds Device Status: 0x0001 Self Powered ... [ 1154.692514] speed: GET_MIN 00 0x1 00 [ 1154.693014] speed: GET_MAX 00 0xa0 00 [ 1154.693352] speed: GET_MIN 00 0x1 00 [ 1154.693634] speed: GET_MAX 00 0x78 00 ... [ 1314.517485] zoom: GET_MAX 00 0x0 00 [ 1314.517900] zoom: GET_MAX 00 0x0 064 ... --- Bus 002 Device 003: ID 2e7e:0893 UHD Camera Device Descriptor: bLength 18 bDescriptorType 1 bcdUSB 3.00 bDeviceClass 239 Miscellaneous Device bDeviceSubClass 2 bDeviceProtocol 1 Interface Association bMaxPacketSize0 9 idVendor 0x2e7e idProduct 0x0893 bcdDevice 0.01 iManufacturer 0 iProduct 2 UHD Camera iSerial 1 3258004D bNumConfigurations 1 Configuration Descriptor: bLength 9 bDescriptorType 2 wTotalLength 0x09fa bNumInterfaces 5 bConfigurationValue 1 iConfiguration 0 bmAttributes 0xc0 Self Powered MaxPower 400mA Interface Association: bLength 8 bDescriptorType 11 bFirstInterface 0 bInterfaceCount 2 bFunctionClass 14 Video bFunctionSubClass 3 Video Interface Collection bFunctionProtocol 0 iFunction 0 Interface Descriptor: bLength 9 bDescriptorType 4 bInterfaceNumber 0 bAlternateSetting 0 bNumEndpoints 1 bInterfaceClass 14 Video bInterfaceSubClass 1 Video Control bInterfaceProtocol 0 iInterface 0 VideoControl Interface Descriptor: bLength 13 bDescriptorType 36 bDescriptorSubtype 1 (HEADER) bcdUVC 1.00 wTotalLength 0x00a0 dwClockFrequency 30.000000MHz 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 16384 wOcularFocalLength 20 bControlSize 3 bmControls 0x00039eea Auto-Exposure Mode Exposure Time (Absolute) Focus (Absolute) Focus (Relative) Iris (Absolute) Zoom (Absolute) Zoom (Relative) PanTilt (Absolute) PanTilt (Relative) Reserved Reserved Focus, Auto VideoControl Interface Descriptor: bLength 11 bDescriptorType 36 bDescriptorSubtype 5 (PROCESSING_UNIT) Warning: Descriptor too short bUnitID 3 bSourceID 1 wMaxMultiplier 16384 bControlSize 2 bmControls 0x0000071f Brightness Contrast Hue Saturation Sharpness Backlight Compensation Gain Power Line Frequency iProcessing 0 bmVideoStandards 0x1b None NTSC - 525/60 SECAM - 625/50 NTSC - 625/50 VideoControl Interface Descriptor: bLength 27 bDescriptorType 36 bDescriptorSubtype 6 (EXTENSION_UNIT) bUnitID 12 guidExtensionCode {a29e7641-de04-47e3-8b2b-f4341aff003b} bNumControls 7 bNrInPins 1 baSourceID( 0) 3 bControlSize 2 bmControls( 0) 0x07 bmControls( 1) 0x2b iExtension 0 VideoControl Interface Descriptor: bLength 27 bDescriptorType 36 bDescriptorSubtype 6 (EXTENSION_UNIT) bUnitID 13 guidExtensionCode {a29e7641-de04-47e3-8b2b-f4341aff003b} bNumControls 7 bNrInPins 1 baSourceID( 0) 3 bControlSize 2 bmControls( 0) 0x07 bmControls( 1) 0x2b iExtension 0 VideoControl Interface Descriptor: bLength 27 bDescriptorType 36 bDescriptorSubtype 6 (EXTENSION_UNIT) bUnitID 14 guidExtensionCode {3c16a808-701c-49c7-af98-2ec6c125b963} bNumControls 1 bNrInPins 1 baSourceID( 0) 3 bControlSize 2 bmControls( 0) 0x00 bmControls( 1) 0x10 iExtension 0 VideoControl Interface Descriptor: bLength 28 bDescriptorType 36 bDescriptorSubtype 6 (EXTENSION_UNIT) bUnitID 15 guidExtensionCode {9d33bbe7-e619-435c-8fac-528eecccbca4} bNumControls 9 bNrInPins 1 baSourceID( 0) 3 bControlSize 3 bmControls( 0) 0xe0 bmControls( 1) 0x3c bmControls( 2) 0x00 iExtension 0 VideoControl Interface Descriptor: bLength 9 bDescriptorType 36 bDescriptorSubtype 3 (OUTPUT_TERMINAL) bTerminalID 4 wTerminalType 0x0101 USB Streaming bAssocTerminal 0 bSourceID 3 iTerminal 0 Endpoint Descriptor: bLength 7 bDescriptorType 5 bEndpointAddress 0x81 EP 1 IN bmAttributes 3 Transfer Type Interrupt Synch Type None Usage Type Data wMaxPacketSize 0x0040 1x 64 bytes bInterval 8 bMaxBurst 0 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 16 bDescriptorType 36 bDescriptorSubtype 1 (INPUT_HEADER) bNumFormats 3 wTotalLength 0x0712 bEndpointAddress 0x83 EP 3 IN bmInfo 0 bTerminalLink 4 bStillCaptureMethod 0 bTriggerSupport 0 bTriggerUsage 0 bControlSize 1 bmaControls( 0) 0 bmaControls( 1) 0 bmaControls( 2) 0 VideoStreaming Interface Descriptor: bLength 11 bDescriptorType 36 bDescriptorSubtype 6 (FORMAT_MJPEG) bFormatIndex 1 bNumFrameDescriptors 8 bFlags 1 Fixed-size samples: Yes bDefaultFrameIndex 7 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 66 bDescriptorType 36 bDescriptorSubtype 7 (FRAME_MJPEG) bFrameIndex 1 bmCapabilities 0x00 Still image unsupported wWidth 640 wHeight 480 dwMinBitRate 24576000 dwMaxBitRate 294912000 dwMaxVideoFrameBufferSize 614400 dwDefaultFrameInterval 333333 bFrameIntervalType 10 dwFrameInterval( 0) 166666 dwFrameInterval( 1) 200000 dwFrameInterval( 2) 333333 dwFrameInterval( 3) 400000 dwFrameInterval( 4) 416666 dwFrameInterval( 5) 500000 dwFrameInterval( 6) 666666 dwFrameInterval( 7) 1000000 dwFrameInterval( 8) 1333333 dwFrameInterval( 9) 2000000 VideoStreaming Interface Descriptor: bLength 66 bDescriptorType 36 bDescriptorSubtype 7 (FRAME_MJPEG) bFrameIndex 2 bmCapabilities 0x00 Still image unsupported wWidth 640 wHeight 360 dwMinBitRate 18432000 dwMaxBitRate 221184000 dwMaxVideoFrameBufferSize 460800 dwDefaultFrameInterval 333333 bFrameIntervalType 10 dwFrameInterval( 0) 166666 dwFrameInterval( 1) 200000 dwFrameInterval( 2) 333333 dwFrameInterval( 3) 400000 dwFrameInterval( 4) 416666 dwFrameInterval( 5) 500000 dwFrameInterval( 6) 666666 dwFrameInterval( 7) 1000000 dwFrameInterval( 8) 1333333 dwFrameInterval( 9) 2000000 VideoStreaming Interface Descriptor: bLength 66 bDescriptorType 36 bDescriptorSubtype 7 (FRAME_MJPEG) bFrameIndex 3 bmCapabilities 0x00 Still image unsupported wWidth 720 wHeight 408 dwMinBitRate 23500800 dwMaxBitRate 282009600 dwMaxVideoFrameBufferSize 587520 dwDefaultFrameInterval 333333 bFrameIntervalType 10 dwFrameInterval( 0) 166666 dwFrameInterval( 1) 200000 dwFrameInterval( 2) 333333 dwFrameInterval( 3) 400000 dwFrameInterval( 4) 416666 dwFrameInterval( 5) 500000 dwFrameInterval( 6) 666666 dwFrameInterval( 7) 1000000 dwFrameInterval( 8) 1333333 dwFrameInterval( 9) 2000000 VideoStreaming Interface Descriptor: bLength 66 bDescriptorType 36 bDescriptorSubtype 7 (FRAME_MJPEG) bFrameIndex 4 bmCapabilities 0x00 Still image unsupported wWidth 720 wHeight 480 dwMinBitRate 27648000 dwMaxBitRate 331776000 dwMaxVideoFrameBufferSize 691200 dwDefaultFrameInterval 333333 bFrameIntervalType 10 dwFrameInterval( 0) 166666 dwFrameInterval( 1) 200000 dwFrameInterval( 2) 333333 dwFrameInterval( 3) 400000 dwFrameInterval( 4) 416666 dwFrameInterval( 5) 500000 dwFrameInterval( 6) 666666 dwFrameInterval( 7) 1000000 dwFrameInterval( 8) 1333333 dwFrameInterval( 9) 2000000 VideoStreaming Interface Descriptor: bLength 66 bDescriptorType 36 bDescriptorSubtype 7 (FRAME_MJPEG) bFrameIndex 5 bmCapabilities 0x00 Still image unsupported wWidth 1024 wHeight 576 dwMinBitRate 47185920 dwMaxBitRate 566231040 dwMaxVideoFrameBufferSize 1179648 dwDefaultFrameInterval 333333 bFrameIntervalType 10 dwFrameInterval( 0) 166666 dwFrameInterval( 1) 200000 dwFrameInterval( 2) 333333 dwFrameInterval( 3) 400000 dwFrameInterval( 4) 416666 dwFrameInterval( 5) 500000 dwFrameInterval( 6) 666666 dwFrameInterval( 7) 1000000 dwFrameInterval( 8) 1333333 dwFrameInterval( 9) 2000000 VideoStreaming Interface Descriptor: bLength 66 bDescriptorType 36 bDescriptorSubtype 7 (FRAME_MJPEG) bFrameIndex 6 bmCapabilities 0x00 Still image unsupported wWidth 1280 wHeight 720 dwMinBitRate 73728000 dwMaxBitRate 884736000 dwMaxVideoFrameBufferSize 1843200 dwDefaultFrameInterval 333333 bFrameIntervalType 10 dwFrameInterval( 0) 166666 dwFrameInterval( 1) 200000 dwFrameInterval( 2) 333333 dwFrameInterval( 3) 400000 dwFrameInterval( 4) 416666 dwFrameInterval( 5) 500000 dwFrameInterval( 6) 666666 dwFrameInterval( 7) 1000000 dwFrameInterval( 8) 1333333 dwFrameInterval( 9) 2000000 VideoStreaming Interface Descriptor: bLength 66 bDescriptorType 36 bDescriptorSubtype 7 (FRAME_MJPEG) bFrameIndex 7 bmCapabilities 0x00 Still image unsupported wWidth 1920 wHeight 1080 dwMinBitRate 165888000 dwMaxBitRate 1990656000 dwMaxVideoFrameBufferSize 4147200 dwDefaultFrameInterval 333333 bFrameIntervalType 10 dwFrameInterval( 0) 166666 dwFrameInterval( 1) 200000 dwFrameInterval( 2) 333333 dwFrameInterval( 3) 400000 dwFrameInterval( 4) 416666 dwFrameInterval( 5) 500000 dwFrameInterval( 6) 666666 dwFrameInterval( 7) 1000000 dwFrameInterval( 8) 1333333 dwFrameInterval( 9) 2000000 VideoStreaming Interface Descriptor: bLength 58 bDescriptorType 36 bDescriptorSubtype 7 (FRAME_MJPEG) bFrameIndex 8 bmCapabilities 0x00 Still image unsupported wWidth 3840 wHeight 2160 dwMinBitRate 663552000 dwMaxBitRate 3981312000 dwMaxVideoFrameBufferSize 16588800 dwDefaultFrameInterval 333333 bFrameIntervalType 8 dwFrameInterval( 0) 333333 dwFrameInterval( 1) 400000 dwFrameInterval( 2) 416666 dwFrameInterval( 3) 500000 dwFrameInterval( 4) 666666 dwFrameInterval( 5) 1000000 dwFrameInterval( 6) 1333333 dwFrameInterval( 7) 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)) VideoStreaming Interface Descriptor: bLength 27 bDescriptorType 36 bDescriptorSubtype 4 (FORMAT_UNCOMPRESSED) bFormatIndex 2 bNumFrameDescriptors 2 guidFormat {32595559-0000-0010-8000-00aa00389b71} bBitsPerPixel 16 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 58 bDescriptorType 36 bDescriptorSubtype 5 (FRAME_UNCOMPRESSED) bFrameIndex 1 bmCapabilities 0x00 Still image unsupported wWidth 1280 wHeight 720 dwMinBitRate 73728000 dwMaxBitRate 442368000 dwMaxVideoFrameBufferSize 1843200 dwDefaultFrameInterval 333333 bFrameIntervalType 8 dwFrameInterval( 0) 333333 dwFrameInterval( 1) 400000 dwFrameInterval( 2) 416666 dwFrameInterval( 3) 500000 dwFrameInterval( 4) 666666 dwFrameInterval( 5) 1000000 dwFrameInterval( 6) 1333333 dwFrameInterval( 7) 2000000 VideoStreaming Interface Descriptor: bLength 58 bDescriptorType 36 bDescriptorSubtype 5 (FRAME_UNCOMPRESSED) bFrameIndex 2 bmCapabilities 0x00 Still image unsupported wWidth 1920 wHeight 1080 dwMinBitRate 165888000 dwMaxBitRate 995328000 dwMaxVideoFrameBufferSize 4147200 dwDefaultFrameInterval 333333 bFrameIntervalType 8 dwFrameInterval( 0) 333333 dwFrameInterval( 1) 400000 dwFrameInterval( 2) 416666 dwFrameInterval( 3) 500000 dwFrameInterval( 4) 666666 dwFrameInterval( 5) 1000000 dwFrameInterval( 6) 1333333 dwFrameInterval( 7) 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)) VideoStreaming Interface Descriptor: bLength 28 bDescriptorType 36 bDescriptorSubtype 16 (FORMAT_FRAME_BASED) bFormatIndex 3 bNumFrameDescriptors 8 guidFormat {34363248-0000-0010-8000-00aa00389b71} bBitsPerPixel 16 bDefaultFrameIndex 7 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 bVariableSize 1 VideoStreaming Interface Descriptor: bLength 66 bDescriptorType 36 bDescriptorSubtype 17 (FRAME_FRAME_BASED) bFrameIndex 1 bmCapabilities 0x00 Still image unsupported wWidth 640 wHeight 480 dwMinBitRate 24576000 dwMaxBitRate 294912000 dwDefaultFrameInterval 333333 bFrameIntervalType 10 dwBytesPerLine 0 dwFrameInterval( 0) 166666 dwFrameInterval( 1) 200000 dwFrameInterval( 2) 333333 dwFrameInterval( 3) 400000 dwFrameInterval( 4) 416666 dwFrameInterval( 5) 500000 dwFrameInterval( 6) 666666 dwFrameInterval( 7) 1000000 dwFrameInterval( 8) 1333333 dwFrameInterval( 9) 2000000 VideoStreaming Interface Descriptor: bLength 66 bDescriptorType 36 bDescriptorSubtype 17 (FRAME_FRAME_BASED) bFrameIndex 2 bmCapabilities 0x00 Still image unsupported wWidth 640 wHeight 360 dwMinBitRate 18432000 dwMaxBitRate 221184000 dwDefaultFrameInterval 333333 bFrameIntervalType 10 dwBytesPerLine 0 dwFrameInterval( 0) 166666 dwFrameInterval( 1) 200000 dwFrameInterval( 2) 333333 dwFrameInterval( 3) 400000 dwFrameInterval( 4) 416666 dwFrameInterval( 5) 500000 dwFrameInterval( 6) 666666 dwFrameInterval( 7) 1000000 dwFrameInterval( 8) 1333333 dwFrameInterval( 9) 2000000 VideoStreaming Interface Descriptor: bLength 66 bDescriptorType 36 bDescriptorSubtype 17 (FRAME_FRAME_BASED) bFrameIndex 3 bmCapabilities 0x00 Still image unsupported wWidth 720 wHeight 408 dwMinBitRate 23500800 dwMaxBitRate 282009600 dwDefaultFrameInterval 333333 bFrameIntervalType 10 dwBytesPerLine 0 dwFrameInterval( 0) 166666 dwFrameInterval( 1) 200000 dwFrameInterval( 2) 333333 dwFrameInterval( 3) 400000 dwFrameInterval( 4) 416666 dwFrameInterval( 5) 500000 dwFrameInterval( 6) 666666 dwFrameInterval( 7) 1000000 dwFrameInterval( 8) 1333333 dwFrameInterval( 9) 2000000 VideoStreaming Interface Descriptor: bLength 66 bDescriptorType 36 bDescriptorSubtype 17 (FRAME_FRAME_BASED) bFrameIndex 4 bmCapabilities 0x00 Still image unsupported wWidth 720 wHeight 480 dwMinBitRate 27648000 dwMaxBitRate 331776000 dwDefaultFrameInterval 333333 bFrameIntervalType 10 dwBytesPerLine 0 dwFrameInterval( 0) 166666 dwFrameInterval( 1) 200000 dwFrameInterval( 2) 333333 dwFrameInterval( 3) 400000 dwFrameInterval( 4) 416666 dwFrameInterval( 5) 500000 dwFrameInterval( 6) 666666 dwFrameInterval( 7) 1000000 dwFrameInterval( 8) 1333333 dwFrameInterval( 9) 2000000 VideoStreaming Interface Descriptor: bLength 66 bDescriptorType 36 bDescriptorSubtype 17 (FRAME_FRAME_BASED) bFrameIndex 5 bmCapabilities 0x00 Still image unsupported wWidth 1024 wHeight 576 dwMinBitRate 47185920 dwMaxBitRate 566231040 dwDefaultFrameInterval 333333 bFrameIntervalType 10 dwBytesPerLine 0 dwFrameInterval( 0) 166666 dwFrameInterval( 1) 200000 dwFrameInterval( 2) 333333 dwFrameInterval( 3) 400000 dwFrameInterval( 4) 416666 dwFrameInterval( 5) 500000 dwFrameInterval( 6) 666666 dwFrameInterval( 7) 1000000 dwFrameInterval( 8) 1333333 dwFrameInterval( 9) 2000000 VideoStreaming Interface Descriptor: bLength 66 bDescriptorType 36 bDescriptorSubtype 17 (FRAME_FRAME_BASED) bFrameIndex 6 bmCapabilities 0x00 Still image unsupported wWidth 1280 wHeight 720 dwMinBitRate 73728000 dwMaxBitRate 884736000 dwDefaultFrameInterval 333333 bFrameIntervalType 10 dwBytesPerLine 0 dwFrameInterval( 0) 166666 dwFrameInterval( 1) 200000 dwFrameInterval( 2) 333333 dwFrameInterval( 3) 400000 dwFrameInterval( 4) 416666 dwFrameInterval( 5) 500000 dwFrameInterval( 6) 666666 dwFrameInterval( 7) 1000000 dwFrameInterval( 8) 1333333 dwFrameInterval( 9) 2000000 VideoStreaming Interface Descriptor: bLength 66 bDescriptorType 36 bDescriptorSubtype 17 (FRAME_FRAME_BASED) bFrameIndex 7 bmCapabilities 0x00 Still image unsupported wWidth 1920 wHeight 1080 dwMinBitRate 165888000 dwMaxBitRate 1990656000 dwDefaultFrameInterval 333333 bFrameIntervalType 10 dwBytesPerLine 0 dwFrameInterval( 0) 166666 dwFrameInterval( 1) 200000 dwFrameInterval( 2) 333333 dwFrameInterval( 3) 400000 dwFrameInterval( 4) 416666 dwFrameInterval( 5) 500000 dwFrameInterval( 6) 666666 dwFrameInterval( 7) 1000000 dwFrameInterval( 8) 1333333 dwFrameInterval( 9) 2000000 VideoStreaming Interface Descriptor: bLength 58 bDescriptorType 36 bDescriptorSubtype 17 (FRAME_FRAME_BASED) bFrameIndex 8 bmCapabilities 0x00 Still image unsupported wWidth 3840 wHeight 2160 dwMinBitRate 663552000 dwMaxBitRate 3981312000 dwDefaultFrameInterval 333333 bFrameIntervalType 8 dwBytesPerLine 0 dwFrameInterval( 0) 333333 dwFrameInterval( 1) 400000 dwFrameInterval( 2) 416666 dwFrameInterval( 3) 500000 dwFrameInterval( 4) 666666 dwFrameInterval( 5) 1000000 dwFrameInterval( 6) 1333333 dwFrameInterval( 7) 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)) VideoStreaming Interface Descriptor: bLength 28 bDescriptorType 36 bDescriptorSubtype 16 (FORMAT_FRAME_BASED) bFormatIndex 4 bNumFrameDescriptors 8 guidFormat {35363248-0000-0010-8000-00aa00389b71} bBitsPerPixel 16 bDefaultFrameIndex 7 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 bVariableSize 1 VideoStreaming Interface Descriptor: bLength 66 bDescriptorType 36 bDescriptorSubtype 17 (FRAME_FRAME_BASED) bFrameIndex 1 bmCapabilities 0x00 Still image unsupported wWidth 640 wHeight 480 dwMinBitRate 24576000 dwMaxBitRate 294912000 dwDefaultFrameInterval 333333 bFrameIntervalType 10 dwBytesPerLine 0 dwFrameInterval( 0) 166666 dwFrameInterval( 1) 200000 dwFrameInterval( 2) 333333 dwFrameInterval( 3) 400000 dwFrameInterval( 4) 416666 dwFrameInterval( 5) 500000 dwFrameInterval( 6) 666666 dwFrameInterval( 7) 1000000 dwFrameInterval( 8) 1333333 dwFrameInterval( 9) 2000000 VideoStreaming Interface Descriptor: bLength 66 bDescriptorType 36 bDescriptorSubtype 17 (FRAME_FRAME_BASED) bFrameIndex 2 bmCapabilities 0x00 Still image unsupported wWidth 640 wHeight 360 dwMinBitRate 18432000 dwMaxBitRate 221184000 dwDefaultFrameInterval 333333 bFrameIntervalType 10 dwBytesPerLine 0 dwFrameInterval( 0) 166666 dwFrameInterval( 1) 200000 dwFrameInterval( 2) 333333 dwFrameInterval( 3) 400000 dwFrameInterval( 4) 416666 dwFrameInterval( 5) 500000 dwFrameInterval( 6) 666666 dwFrameInterval( 7) 1000000 dwFrameInterval( 8) 1333333 dwFrameInterval( 9) 2000000 VideoStreaming Interface Descriptor: bLength 66 bDescriptorType 36 bDescriptorSubtype 17 (FRAME_FRAME_BASED) bFrameIndex 3 bmCapabilities 0x00 Still image unsupported wWidth 720 wHeight 408 dwMinBitRate 23500800 dwMaxBitRate 282009600 dwDefaultFrameInterval 333333 bFrameIntervalType 10 dwBytesPerLine 0 dwFrameInterval( 0) 166666 dwFrameInterval( 1) 200000 dwFrameInterval( 2) 333333 dwFrameInterval( 3) 400000 dwFrameInterval( 4) 416666 dwFrameInterval( 5) 500000 dwFrameInterval( 6) 666666 dwFrameInterval( 7) 1000000 dwFrameInterval( 8) 1333333 dwFrameInterval( 9) 2000000 VideoStreaming Interface Descriptor: bLength 66 bDescriptorType 36 bDescriptorSubtype 17 (FRAME_FRAME_BASED) bFrameIndex 4 bmCapabilities 0x00 Still image unsupported wWidth 720 wHeight 480 dwMinBitRate 27648000 dwMaxBitRate 331776000 dwDefaultFrameInterval 333333 bFrameIntervalType 10 dwBytesPerLine 0 dwFrameInterval( 0) 166666 dwFrameInterval( 1) 200000 dwFrameInterval( 2) 333333 dwFrameInterval( 3) 400000 dwFrameInterval( 4) 416666 dwFrameInterval( 5) 500000 dwFrameInterval( 6) 666666 dwFrameInterval( 7) 1000000 dwFrameInterval( 8) 1333333 dwFrameInterval( 9) 2000000 VideoStreaming Interface Descriptor: bLength 66 bDescriptorType 36 bDescriptorSubtype 17 (FRAME_FRAME_BASED) bFrameIndex 5 bmCapabilities 0x00 Still image unsupported wWidth 1024 wHeight 576 dwMinBitRate 47185920 dwMaxBitRate 566231040 dwDefaultFrameInterval 333333 bFrameIntervalType 10 dwBytesPerLine 0 dwFrameInterval( 0) 166666 dwFrameInterval( 1) 200000 dwFrameInterval( 2) 333333 dwFrameInterval( 3) 400000 dwFrameInterval( 4) 416666 dwFrameInterval( 5) 500000 dwFrameInterval( 6) 666666 dwFrameInterval( 7) 1000000 dwFrameInterval( 8) 1333333 dwFrameInterval( 9) 2000000 VideoStreaming Interface Descriptor: bLength 66 bDescriptorType 36 bDescriptorSubtype 17 (FRAME_FRAME_BASED) bFrameIndex 6 bmCapabilities 0x00 Still image unsupported wWidth 1280 wHeight 720 dwMinBitRate 73728000 dwMaxBitRate 884736000 dwDefaultFrameInterval 333333 bFrameIntervalType 10 dwBytesPerLine 0 dwFrameInterval( 0) 166666 dwFrameInterval( 1) 200000 dwFrameInterval( 2) 333333 dwFrameInterval( 3) 400000 dwFrameInterval( 4) 416666 dwFrameInterval( 5) 500000 dwFrameInterval( 6) 666666 dwFrameInterval( 7) 1000000 dwFrameInterval( 8) 1333333 dwFrameInterval( 9) 2000000 VideoStreaming Interface Descriptor: bLength 66 bDescriptorType 36 bDescriptorSubtype 17 (FRAME_FRAME_BASED) bFrameIndex 7 bmCapabilities 0x00 Still image unsupported wWidth 1920 wHeight 1080 dwMinBitRate 165888000 dwMaxBitRate 1990656000 dwDefaultFrameInterval 333333 bFrameIntervalType 10 dwBytesPerLine 0 dwFrameInterval( 0) 166666 dwFrameInterval( 1) 200000 dwFrameInterval( 2) 333333 dwFrameInterval( 3) 400000 dwFrameInterval( 4) 416666 dwFrameInterval( 5) 500000 dwFrameInterval( 6) 666666 dwFrameInterval( 7) 1000000 dwFrameInterval( 8) 1333333 dwFrameInterval( 9) 2000000 VideoStreaming Interface Descriptor: bLength 58 bDescriptorType 36 bDescriptorSubtype 17 (FRAME_FRAME_BASED) bFrameIndex 8 bmCapabilities 0x00 Still image unsupported wWidth 3840 wHeight 2160 dwMinBitRate 663552000 dwMaxBitRate 3981312000 dwDefaultFrameInterval 333333 bFrameIntervalType 8 dwBytesPerLine 0 dwFrameInterval( 0) 333333 dwFrameInterval( 1) 400000 dwFrameInterval( 2) 416666 dwFrameInterval( 3) 500000 dwFrameInterval( 4) 666666 dwFrameInterval( 5) 1000000 dwFrameInterval( 6) 1333333 dwFrameInterval( 7) 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 0x83 EP 3 IN bmAttributes 5 Transfer Type Isochronous Synch Type Asynchronous Usage Type Data wMaxPacketSize 0x00c0 1x 192 bytes bInterval 1 bMaxBurst 0 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 0x83 EP 3 IN bmAttributes 5 Transfer Type Isochronous Synch Type Asynchronous Usage Type Data wMaxPacketSize 0x0180 1x 384 bytes bInterval 1 bMaxBurst 0 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 0x83 EP 3 IN bmAttributes 5 Transfer Type Isochronous Synch Type Asynchronous Usage Type Data wMaxPacketSize 0x0200 1x 512 bytes bInterval 1 bMaxBurst 0 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 0x83 EP 3 IN bmAttributes 5 Transfer Type Isochronous Synch Type Asynchronous Usage Type Data wMaxPacketSize 0x0280 1x 640 bytes bInterval 1 bMaxBurst 0 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 0x83 EP 3 IN bmAttributes 5 Transfer Type Isochronous Synch Type Asynchronous Usage Type Data wMaxPacketSize 0x0320 1x 800 bytes bInterval 1 bMaxBurst 0 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 0x83 EP 3 IN bmAttributes 5 Transfer Type Isochronous Synch Type Asynchronous Usage Type Data wMaxPacketSize 0x0400 1x 1024 bytes bInterval 1 bMaxBurst 0 Interface Descriptor: bLength 9 bDescriptorType 4 bInterfaceNumber 1 bAlternateSetting 7 bNumEndpoints 1 bInterfaceClass 14 Video bInterfaceSubClass 2 Video Streaming bInterfaceProtocol 0 iInterface 0 Endpoint Descriptor: bLength 7 bDescriptorType 5 bEndpointAddress 0x83 EP 3 IN bmAttributes 5 Transfer Type Isochronous Synch Type Asynchronous Usage Type Data wMaxPacketSize 0x0400 1x 1024 bytes bInterval 1 bMaxBurst 1 Interface Descriptor: bLength 9 bDescriptorType 4 bInterfaceNumber 1 bAlternateSetting 8 bNumEndpoints 1 bInterfaceClass 14 Video bInterfaceSubClass 2 Video Streaming bInterfaceProtocol 0 iInterface 0 Endpoint Descriptor: bLength 7 bDescriptorType 5 bEndpointAddress 0x83 EP 3 IN bmAttributes 5 Transfer Type Isochronous Synch Type Asynchronous Usage Type Data wMaxPacketSize 0x0400 1x 1024 bytes bInterval 1 bMaxBurst 2 Interface Descriptor: bLength 9 bDescriptorType 4 bInterfaceNumber 1 bAlternateSetting 9 bNumEndpoints 1 bInterfaceClass 14 Video bInterfaceSubClass 2 Video Streaming bInterfaceProtocol 0 iInterface 0 Endpoint Descriptor: bLength 7 bDescriptorType 5 bEndpointAddress 0x83 EP 3 IN bmAttributes 5 Transfer Type Isochronous Synch Type Asynchronous Usage Type Data wMaxPacketSize 0x0400 1x 1024 bytes bInterval 1 bMaxBurst 3 Interface Descriptor: bLength 9 bDescriptorType 4 bInterfaceNumber 1 bAlternateSetting 10 bNumEndpoints 1 bInterfaceClass 14 Video bInterfaceSubClass 2 Video Streaming bInterfaceProtocol 0 iInterface 0 Endpoint Descriptor: bLength 7 bDescriptorType 5 bEndpointAddress 0x83 EP 3 IN bmAttributes 5 Transfer Type Isochronous Synch Type Asynchronous Usage Type Data wMaxPacketSize 0x0400 1x 1024 bytes bInterval 1 bMaxBurst 4 Interface Descriptor: bLength 9 bDescriptorType 4 bInterfaceNumber 1 bAlternateSetting 11 bNumEndpoints 1 bInterfaceClass 14 Video bInterfaceSubClass 2 Video Streaming bInterfaceProtocol 0 iInterface 0 Endpoint Descriptor: bLength 7 bDescriptorType 5 bEndpointAddress 0x83 EP 3 IN bmAttributes 5 Transfer Type Isochronous Synch Type Asynchronous Usage Type Data wMaxPacketSize 0x0400 1x 1024 bytes bInterval 1 bMaxBurst 5 Interface Descriptor: bLength 9 bDescriptorType 4 bInterfaceNumber 1 bAlternateSetting 12 bNumEndpoints 1 bInterfaceClass 14 Video bInterfaceSubClass 2 Video Streaming bInterfaceProtocol 0 iInterface 0 Endpoint Descriptor: bLength 7 bDescriptorType 5 bEndpointAddress 0x83 EP 3 IN bmAttributes 5 Transfer Type Isochronous Synch Type Asynchronous Usage Type Data wMaxPacketSize 0x0400 1x 1024 bytes bInterval 1 bMaxBurst 6 Interface Descriptor: bLength 9 bDescriptorType 4 bInterfaceNumber 1 bAlternateSetting 13 bNumEndpoints 1 bInterfaceClass 14 Video bInterfaceSubClass 2 Video Streaming bInterfaceProtocol 0 iInterface 0 Endpoint Descriptor: bLength 7 bDescriptorType 5 bEndpointAddress 0x83 EP 3 IN bmAttributes 5 Transfer Type Isochronous Synch Type Asynchronous Usage Type Data wMaxPacketSize 0x0400 1x 1024 bytes bInterval 1 bMaxBurst 7 Interface Descriptor: bLength 9 bDescriptorType 4 bInterfaceNumber 1 bAlternateSetting 14 bNumEndpoints 1 bInterfaceClass 14 Video bInterfaceSubClass 2 Video Streaming bInterfaceProtocol 0 iInterface 0 Endpoint Descriptor: bLength 7 bDescriptorType 5 bEndpointAddress 0x83 EP 3 IN bmAttributes 5 Transfer Type Isochronous Synch Type Asynchronous Usage Type Data wMaxPacketSize 0x0400 1x 1024 bytes bInterval 1 bMaxBurst 8 Interface Descriptor: bLength 9 bDescriptorType 4 bInterfaceNumber 1 bAlternateSetting 15 bNumEndpoints 1 bInterfaceClass 14 Video bInterfaceSubClass 2 Video Streaming bInterfaceProtocol 0 iInterface 0 Endpoint Descriptor: bLength 7 bDescriptorType 5 bEndpointAddress 0x83 EP 3 IN bmAttributes 5 Transfer Type Isochronous Synch Type Asynchronous Usage Type Data wMaxPacketSize 0x0400 1x 1024 bytes bInterval 1 bMaxBurst 10 Interface Descriptor: bLength 9 bDescriptorType 4 bInterfaceNumber 1 bAlternateSetting 16 bNumEndpoints 1 bInterfaceClass 14 Video bInterfaceSubClass 2 Video Streaming bInterfaceProtocol 0 iInterface 0 Endpoint Descriptor: bLength 7 bDescriptorType 5 bEndpointAddress 0x83 EP 3 IN bmAttributes 5 Transfer Type Isochronous Synch Type Asynchronous Usage Type Data wMaxPacketSize 0x0400 1x 1024 bytes bInterval 1 bMaxBurst 12 Interface Descriptor: bLength 9 bDescriptorType 4 bInterfaceNumber 1 bAlternateSetting 17 bNumEndpoints 1 bInterfaceClass 14 Video bInterfaceSubClass 2 Video Streaming bInterfaceProtocol 0 iInterface 0 Endpoint Descriptor: bLength 7 bDescriptorType 5 bEndpointAddress 0x83 EP 3 IN bmAttributes 5 Transfer Type Isochronous Synch Type Asynchronous Usage Type Data wMaxPacketSize 0x0400 1x 1024 bytes bInterval 1 bMaxBurst 15 Interface Descriptor: bLength 9 bDescriptorType 4 bInterfaceNumber 2 bAlternateSetting 0 bNumEndpoints 2 bInterfaceClass 3 Human Interface Device bInterfaceSubClass 0 bInterfaceProtocol 0 iInterface 0 HID Device Descriptor: bLength 9 bDescriptorType 33 bcdHID 1.11 bCountryCode 0 Not supported bNumDescriptors 1 bDescriptorType 34 Report wDescriptorLength 29 Report Descriptors: ** UNAVAILABLE ** Endpoint Descriptor: bLength 7 bDescriptorType 5 bEndpointAddress 0x84 EP 4 IN bmAttributes 3 Transfer Type Interrupt Synch Type None Usage Type Data wMaxPacketSize 0x0030 1x 48 bytes bInterval 1 bMaxBurst 0 Endpoint Descriptor: bLength 7 bDescriptorType 5 bEndpointAddress 0x04 EP 4 OUT bmAttributes 3 Transfer Type Interrupt Synch Type None Usage Type Data wMaxPacketSize 0x0030 1x 48 bytes bInterval 1 bMaxBurst 0 Interface Association: bLength 8 bDescriptorType 11 bFirstInterface 3 bInterfaceCount 2 bFunctionClass 1 Audio bFunctionSubClass 1 Control Device bFunctionProtocol 0 iFunction 0 Interface Descriptor: bLength 9 bDescriptorType 4 bInterfaceNumber 3 bAlternateSetting 0 bNumEndpoints 0 bInterfaceClass 1 Audio bInterfaceSubClass 1 Control Device bInterfaceProtocol 0 iInterface 0 AudioControl Interface Descriptor: bLength 9 bDescriptorType 36 bDescriptorSubtype 1 (HEADER) bcdADC 1.00 wTotalLength 0x0026 bInCollection 1 baInterfaceNr(0) 4 AudioControl Interface Descriptor: bLength 12 bDescriptorType 36 bDescriptorSubtype 2 (INPUT_TERMINAL) bTerminalID 1 wTerminalType 0x0201 Microphone bAssocTerminal 0 bNrChannels 1 wChannelConfig 0x0003 Left Front (L) Right Front (R) iChannelNames 0 iTerminal 0 AudioControl Interface Descriptor: bLength 9 bDescriptorType 36 bDescriptorSubtype 3 (OUTPUT_TERMINAL) bTerminalID 3 wTerminalType 0x0101 USB Streaming bAssocTerminal 0 bSourceID 5 iTerminal 0 AudioControl Interface Descriptor: bLength 8 bDescriptorType 36 bDescriptorSubtype 6 (FEATURE_UNIT) bUnitID 5 bSourceID 1 bControlSize 1 bmaControls(0) 0x03 Mute Control Volume Control iFeature 0 Interface Descriptor: bLength 9 bDescriptorType 4 bInterfaceNumber 4 bAlternateSetting 0 bNumEndpoints 0 bInterfaceClass 1 Audio bInterfaceSubClass 2 Streaming bInterfaceProtocol 0 iInterface 0 Interface Descriptor: bLength 9 bDescriptorType 4 bInterfaceNumber 4 bAlternateSetting 1 bNumEndpoints 1 bInterfaceClass 1 Audio bInterfaceSubClass 2 Streaming bInterfaceProtocol 0 iInterface 0 AudioStreaming Interface Descriptor: bLength 7 bDescriptorType 36 bDescriptorSubtype 1 (AS_GENERAL) bTerminalLink 3 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 9 bDescriptorType 5 bEndpointAddress 0x85 EP 5 IN bmAttributes 5 Transfer Type Isochronous Synch Type Asynchronous Usage Type Data wMaxPacketSize 0x00c0 1x 192 bytes bInterval 4 bRefresh 0 bSynchAddress 0 bMaxBurst 0 AudioStreaming Endpoint Descriptor: bLength 7 bDescriptorType 37 bDescriptorSubtype 1 (EP_GENERAL) bmAttributes 0x00 bLockDelayUnits 0 Undefined wLockDelay 0x0000 Binary Object Store Descriptor: bLength 5 bDescriptorType 15 wTotalLength 0x0016 bNumDeviceCaps 2 USB 2.0 Extension Device Capability: bLength 7 bDescriptorType 16 bDevCapabilityType 2 bmAttributes 0x00000000 (Missing must-be-set LPM bit!) SuperSpeed USB Device Capability: bLength 10 bDescriptorType 16 bDevCapabilityType 3 bmAttributes 0x00 wSpeedsSupported 0x000c Device can operate at High Speed (480Mbps) Device can operate at SuperSpeed (5Gbps) bFunctionalitySupport 3 Lowest fully-functional device speed is SuperSpeed (5Gbps) bU1DevExitLat 0 micro seconds bU2DevExitLat 0 micro seconds Device Status: 0x0001 Self Powered ... [ 1541.366590] speed: GET_MIN 00 0x0 00 [ 1541.367110] speed: GET_MAX 00 0x18 00 [ 1541.367901] speed: GET_MIN 00 0x0 00 [ 1541.368444] speed: GET_MAX 00 0x14 00 ... [ 1704.283565] zoom: GET_MAX 00 0x0 00 [ 1704.284028] zoom: GET_MAX 00 0x0 07 ... Best regards/Tr=C3=A2n tr=E1=BB=8Dng, Linh Vu (V=C5=A9 Th=E1=BB=8B Ph=C6=B0=C6=A1ng Linh) linh.tp.vu@gmail.com On Tue, Mar 19, 2024 at 8:52=E2=80=AFPM Ricardo Ribalda wrote: > > Hi Linh > > Could you share the "lsusb -v " info of your device, and also what > are the raw values from the device for UVC_GET_MAX, UVC_GET_MIN for > UVC_CT_PANTILT_RELATIVE_CONTROL and UVC_CT_ZOOM_RELATIVE_CONTROL ? > > Something like this (not tested :) ): > > diff --git a/drivers/media/usb/uvc/uvc_ctrl.c b/drivers/media/usb/uvc/uvc= _ctrl.c > index e59a463c27618..76c7adc3aa579 100644 > --- a/drivers/media/usb/uvc/uvc_ctrl.c > +++ b/drivers/media/usb/uvc/uvc_ctrl.c > @@ -415,7 +415,11 @@ static s32 uvc_ctrl_get_zoom(struct > uvc_control_mapping *mapping, > return (zoom =3D=3D 0) ? 0 : (zoom > 0 ? data[2] : -data[= 2]); > > case UVC_GET_MIN: > + printk(KERN_ERR "zoom: GET_MIN 0%x 0x%x 0%x\n", > data[0], data[1], data[2]); > + return data[2]; > case UVC_GET_MAX: > + printk(KERN_ERR "zoom: GET_MAX 0%x 0x%x 0%x\n", > data[0], data[1], data[2]); > + fallthrough; > case UVC_GET_RES: > case UVC_GET_DEF: > default: > @@ -441,8 +445,11 @@ static s32 uvc_ctrl_get_rel_speed(struct > uvc_control_mapping *mapping, > return (rel =3D=3D 0) ? 0 : (rel > 0 ? data[first+1] > : -data[first+1]); > case UVC_GET_MIN: > + printk(KERN_ERR "speed: GET_MIN 0%x 0x%x 0%x\n", > data[first], data[first+1], data[first+2]); > return -data[first+1]; > case UVC_GET_MAX: > + printk(KERN_ERR "speed: GET_MAX 0%x 0x%x 0%x\n", > data[first], data[first+1], data[first+2]); > + fallthrough; > case UVC_GET_RES: > case UVC_GET_DEF: > default: > > Thanks! > > On Tue, 19 Mar 2024 at 06:30, Linh Vu wrote: > > > > When mapping from UVC_CT_PANTILT_RELATIVE_CONTROL > > to V4L2_CID_PAN_SPEED and V4L2_CID_TILT_SPEED, > > and from UVC_CT_ZOOM_RELATIVE_CONTROL to V4L2_CID_ZOOM_CONTINUOUS, > > the minimum value of the movement should be negated of the maximum valu= e. > > > > For example, if a UVC device (e.g., OBSBOT Tiny 2) declares a pan speed > > range [1, 160], its V4L2_CID_PAN_SPEED mapping has range [-160, 160]. > > > > Currently, calling ioctl with VIDIOC_QUERY_EXT_CTRL and V4L2_CID_PAN_SP= EED > > returns a minimum value of -1. When calling ioctl with VIDIOC_S_CTRL, > > V4L2_CID_PAN_SPEED and -100, the speed (velocity) of the pan movement g= ets > > clamped to -1. > > > > To get the minimum value of V4L2_CID_PAN_SPEED, > > uvc_ctrl_get_rel_speed is called with > > uvc_ctrl_data(ctrl, UVC_CTRL_DATA_MIN) as data, > > which should be uvc_ctrl_data(ctrl, UVC_CTRL_DATA_MAX). > > > > The same thing should be done for V4L2_CID_TILT_SPEED and > > V4L2_CID_ZOOM_CONTINUOUS. > > > > For V4L2_CID_ZOOM_CONTINUOUS, uvc_ctrl_get_zoom does not add the > > sign to the returned minimum value, so it's impossible to zoom out. > > > > Modify the data that is passed when querying the minimum > > value for V4L2_CID_PAN_SPEED, V4L2_CID_TILT_SPEED and > > V4L2_CID_ZOOM_CONTINUOUS. > > Also add sign to the returned minimum value in uvc_ctrl_get_zoom. > > Thus, the correct minimum value for relative PTZ controls can be return= ed. > > > > Signed-off-by: Linh Vu > > --- > > drivers/media/usb/uvc/uvc_ctrl.c | 24 +++++++++++++++++++----- > > 1 file changed, 19 insertions(+), 5 deletions(-) > > > > diff --git a/drivers/media/usb/uvc/uvc_ctrl.c b/drivers/media/usb/uvc/u= vc_ctrl.c > > index e59a463c27618..00fd7e74e6d6b 100644 > > --- a/drivers/media/usb/uvc/uvc_ctrl.c > > +++ b/drivers/media/usb/uvc/uvc_ctrl.c > > @@ -415,6 +415,7 @@ static s32 uvc_ctrl_get_zoom(struct uvc_control_map= ping *mapping, > > return (zoom =3D=3D 0) ? 0 : (zoom > 0 ? data[2] : -dat= a[2]); > > > > case UVC_GET_MIN: > > + return -data[2]; > > case UVC_GET_MAX: > > case UVC_GET_RES: > > case UVC_GET_DEF: > > @@ -1322,9 +1323,16 @@ static int __uvc_query_v4l2_ctrl(struct uvc_vide= o_chain *chain, > > break; > > } > > > > - if (ctrl->info.flags & UVC_CTRL_FLAG_GET_MIN) > > - v4l2_ctrl->minimum =3D mapping->get(mapping, UVC_GET_MI= N, > > - uvc_ctrl_data(ctrl, UVC_CTRL_DATA_= MIN)); > > + if (ctrl->info.flags & UVC_CTRL_FLAG_GET_MIN) { > > + if (v4l2_ctrl->id =3D=3D V4L2_CID_PAN_SPEED > > + || v4l2_ctrl->id =3D=3D V4L2_CID_TILT_SPEED > > + || v4l2_ctrl->id =3D=3D V4L2_CID_ZOOM_CONTINUOUS) > > + v4l2_ctrl->minimum =3D mapping->get(mapping, UV= C_GET_MIN, > > + uvc_ctrl_data(ctrl, UVC= _CTRL_DATA_MAX)); > > + else > > + v4l2_ctrl->minimum =3D mapping->get(mapping, UV= C_GET_MIN, > > + uvc_ctrl_data(ctrl, UVC= _CTRL_DATA_MIN)); > > + } > > > > if (ctrl->info.flags & UVC_CTRL_FLAG_GET_MAX) > > v4l2_ctrl->maximum =3D mapping->get(mapping, UVC_GET_MA= X, > > @@ -1909,9 +1917,15 @@ int uvc_ctrl_set(struct uvc_fh *handle, > > if (ret < 0) > > return ret; > > } > > + if (mapping->id =3D=3D V4L2_CID_PAN_SPEED > > + || mapping->id =3D=3D V4L2_CID_TILT_SPEED > > + || mapping->id =3D=3D V4L2_CID_ZOOM_CONTINUOUS) > > + min =3D mapping->get(mapping, UVC_GET_MIN, > > + uvc_ctrl_data(ctrl, UVC_CTRL_DA= TA_MAX)); > > + else > > + min =3D mapping->get(mapping, UVC_GET_MIN, > > + uvc_ctrl_data(ctrl, UVC_CTRL_DA= TA_MIN)); > > > > - min =3D mapping->get(mapping, UVC_GET_MIN, > > - uvc_ctrl_data(ctrl, UVC_CTRL_DATA_MI= N)); > > max =3D mapping->get(mapping, UVC_GET_MAX, > > uvc_ctrl_data(ctrl, UVC_CTRL_DATA_MA= X)); > > step =3D mapping->get(mapping, UVC_GET_RES, > > > > base-commit: e0b8eb0f6d652981bfd9ba7c619c9d81ed087ad0 > > -- > > 2.34.1 > > > > > > > -- > Ricardo Ribalda