!!################################ !!ALSA Information Script v 0.4.65 !!################################ !!Script ran on: Thu Jan 14 16:28:19 UTC 2021 !!Linux Distribution !!------------------ Ubuntu 20.04.1 LTS \n \l DISTRIB_ID=Ubuntu DISTRIB_DESCRIPTION="Ubuntu 20.04.1 LTS" NAME="Ubuntu" ID=ubuntu ID_LIKE=debian PRETTY_NAME="Ubuntu 20.04.1 LTS" HOME_URL="https://www.ubuntu.com/" SUPPORT_URL="https://help.ubuntu.com/" BUG_REPORT_URL="https://bugs.launchpad.net/ubuntu/" PRIVACY_POLICY_URL="https://www.ubuntu.com/legal/terms-and-policies/privacy-policy" UBUNTU_CODENAME=focal Ubuntu 20.04.1 LTS (Focal Fossa) !!DMI Information !!--------------- Manufacturer: Product Name: Product Version: Firmware Version: System SKU: Board Vendor: Board Name: !!ACPI Device Status Information !!--------------- !!Kernel Information !!------------------ Kernel release: 5.4.0-1026-raspi Operating System: GNU/Linux Architecture: aarch64 Processor: aarch64 SMP Enabled: Yes !!ALSA Version !!------------ Driver version: k5.4.0-1026-raspi Library version: 1.2.2 Utilities version: 1.2.2 !!Loaded ALSA modules !!------------------- snd_bcm2835 snd_aloop snd_usb_audio !!Sound Servers on this system !!---------------------------- Pulseaudio: Installed - Yes (/bin/pulseaudio) Running - Yes Jack: Installed - Yes (/bin/jackd) Running - No !!Soundcards recognised by ALSA !!----------------------------- 0 [Headphones ]: bcm2835_headphonbcm2835 Headphones - bcm2835 Headphones bcm2835 Headphones 1 [Loopback ]: Loopback - Loopback Loopback 1 2 [webcam ]: USB-Audio - webcam SHENZHEN Fullhan webcam at usb-0000:01:00.0-1.2, high speed !!PCI Soundcards installed in the system !!-------------------------------------- !!Modprobe options (Sound related) !!-------------------------------- snd_pcsp: index=-2 snd_usb_audio: index=-2 snd_atiixp_modem: index=-2 snd_intel8x0m: index=-2 snd_via82xx_modem: index=-2 snd_atiixp_modem: index=-2 snd_intel8x0m: index=-2 snd_via82xx_modem: index=-2 snd_usb_audio: index=-2 snd_usb_caiaq: index=-2 snd_usb_ua101: index=-2 snd_usb_us122l: index=-2 snd_usb_usx2y: index=-2 snd_cmipci: mpu_port=0x330 fm_port=0x388 snd_pcsp: index=-2 snd_usb_audio: index=-2 snd_aloop: index=1 snd_bcm2835: enable_compat_alsa=0 snd_bcm2835: enable_hdmi=1 snd_bcm2835: enable_headphones=1 !!Loaded sound module options !!--------------------------- !!Module: snd_bcm2835 enable_compat_alsa : N enable_hdmi : Y enable_headphones : Y force_bulk : N !!Module: snd_aloop enable : Y,N,N,N,N,N,N,N,N,N,N,N,N,N,N,N,N,N,N,N,N,N,N,N,N,N,N,N,N,N,N,N id : (null),(null),(null),(null),(null),(null),(null),(null),(null),(null),(null),(null),(null),(null),(null),(null),(null),(null),(null),(null),(null),(null),(null),(null),(null),(null),(null),(null),(null),(null),(null),(null) index : 1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1 pcm_notify : 0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0 pcm_substreams : 8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,8 !!Module: snd_usb_audio autoclock : Y device_setup : 0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0 enable : Y,Y,Y,Y,Y,Y,Y,Y,Y,Y,Y,Y,Y,Y,Y,Y,Y,Y,Y,Y,Y,Y,Y,Y,Y,Y,Y,Y,Y,Y,Y,Y id : (null),(null),(null),(null),(null),(null),(null),(null),(null),(null),(null),(null),(null),(null),(null),(null),(null),(null),(null),(null),(null),(null),(null),(null),(null),(null),(null),(null),(null),(null),(null),(null) ignore_ctl_error : N index : -2,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1 pid : -1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1 quirk_alias : (null),(null),(null),(null),(null),(null),(null),(null),(null),(null),(null),(null),(null),(null),(null),(null),(null),(null),(null),(null),(null),(null),(null),(null),(null),(null),(null),(null),(null),(null),(null),(null) use_vmalloc : Y vid : -1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1 !!USB Descriptors !!--------------- --startcollapse-- Bus 001 Device 003: ID 1d6c:0103 Device Descriptor: bLength 18 bDescriptorType 1 bcdUSB 2.00 bDeviceClass 239 Miscellaneous Device bDeviceSubClass 2 bDeviceProtocol 1 Interface Association bMaxPacketSize0 64 idVendor 0x1d6c idProduct 0x0103 bcdDevice 0.10 iManufacturer 1 iProduct 2 iSerial 3 bNumConfigurations 1 Configuration Descriptor: bLength 9 bDescriptorType 2 wTotalLength 0x060d bNumInterfaces 6 bConfigurationValue 1 iConfiguration 4 bmAttributes 0x80 (Bus Powered) MaxPower 500mA Interface Association: bLength 8 bDescriptorType 11 bFirstInterface 0 bInterfaceCount 2 bFunctionClass 14 Video bFunctionSubClass 3 Video Interface Collection bFunctionProtocol 0 iFunction 5 Interface Descriptor: bLength 9 bDescriptorType 4 bInterfaceNumber 0 bAlternateSetting 0 bNumEndpoints 1 bInterfaceClass 14 Video bInterfaceSubClass 1 Video Control bInterfaceProtocol 0 iInterface 5 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 0x0000000a Auto-Exposure Mode Exposure Time (Absolute) VideoControl Interface Descriptor: bLength 11 bDescriptorType 36 bDescriptorSubtype 5 (PROCESSING_UNIT) Warning: Descriptor too short bUnitID 2 bSourceID 1 wMaxMultiplier 0 bControlSize 2 bmControls 0x0000165b Brightness Contrast Saturation Sharpness White Balance Temperature Gain Power Line Frequency White Balance Temperature, Auto 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 3 guidExtensionCode {a29e7641-de04-47e3-8b2b-f4341aff8888} bNumControl 16 bNrPins 1 baSourceID( 0) 2 bControlSize 2 bmControls( 0) 0xff bmControls( 1) 0xff 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 Interface Descriptor: bLength 9 bDescriptorType 4 bInterfaceNumber 1 bAlternateSetting 0 bNumEndpoints 0 bInterfaceClass 14 Video bInterfaceSubClass 2 Video Streaming bInterfaceProtocol 0 iInterface 5 VideoStreaming Interface Descriptor: bLength 16 bDescriptorType 36 bDescriptorSubtype 1 (INPUT_HEADER) bNumFormats 3 wTotalLength 0x04ba bEndPointAddress 131 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 12 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 34 bDescriptorType 36 bDescriptorSubtype 7 (FRAME_MJPEG) bFrameIndex 1 bmCapabilities 0x00 Still image unsupported wWidth 1920 wHeight 1080 dwMinBitRate 18432000 dwMaxBitRate 55296000 dwMaxVideoFrameBufferSize 4147200 dwDefaultFrameInterval 333333 bFrameIntervalType 2 dwFrameInterval( 0) 333333 dwFrameInterval( 1) 400000 VideoStreaming Interface Descriptor: bLength 34 bDescriptorType 36 bDescriptorSubtype 7 (FRAME_MJPEG) bFrameIndex 2 bmCapabilities 0x00 Still image unsupported wWidth 2560 wHeight 1440 dwMinBitRate 18432000 dwMaxBitRate 55296000 dwMaxVideoFrameBufferSize 7372800 dwDefaultFrameInterval 333333 bFrameIntervalType 2 dwFrameInterval( 0) 333333 dwFrameInterval( 1) 400000 VideoStreaming Interface Descriptor: bLength 34 bDescriptorType 36 bDescriptorSubtype 7 (FRAME_MJPEG) bFrameIndex 3 bmCapabilities 0x00 Still image unsupported wWidth 320 wHeight 240 dwMinBitRate 18432000 dwMaxBitRate 55296000 dwMaxVideoFrameBufferSize 153600 dwDefaultFrameInterval 333333 bFrameIntervalType 2 dwFrameInterval( 0) 333333 dwFrameInterval( 1) 400000 VideoStreaming Interface Descriptor: bLength 34 bDescriptorType 36 bDescriptorSubtype 7 (FRAME_MJPEG) bFrameIndex 4 bmCapabilities 0x00 Still image unsupported wWidth 640 wHeight 360 dwMinBitRate 18432000 dwMaxBitRate 55296000 dwMaxVideoFrameBufferSize 460800 dwDefaultFrameInterval 333333 bFrameIntervalType 2 dwFrameInterval( 0) 333333 dwFrameInterval( 1) 400000 VideoStreaming Interface Descriptor: bLength 34 bDescriptorType 36 bDescriptorSubtype 7 (FRAME_MJPEG) bFrameIndex 5 bmCapabilities 0x00 Still image unsupported wWidth 640 wHeight 480 dwMinBitRate 18432000 dwMaxBitRate 55296000 dwMaxVideoFrameBufferSize 614400 dwDefaultFrameInterval 333333 bFrameIntervalType 2 dwFrameInterval( 0) 333333 dwFrameInterval( 1) 400000 VideoStreaming Interface Descriptor: bLength 34 bDescriptorType 36 bDescriptorSubtype 7 (FRAME_MJPEG) bFrameIndex 6 bmCapabilities 0x00 Still image unsupported wWidth 800 wHeight 600 dwMinBitRate 18432000 dwMaxBitRate 55296000 dwMaxVideoFrameBufferSize 960000 dwDefaultFrameInterval 333333 bFrameIntervalType 2 dwFrameInterval( 0) 333333 dwFrameInterval( 1) 400000 VideoStreaming Interface Descriptor: bLength 34 bDescriptorType 36 bDescriptorSubtype 7 (FRAME_MJPEG) bFrameIndex 7 bmCapabilities 0x00 Still image unsupported wWidth 960 wHeight 720 dwMinBitRate 18432000 dwMaxBitRate 55296000 dwMaxVideoFrameBufferSize 1382400 dwDefaultFrameInterval 333333 bFrameIntervalType 2 dwFrameInterval( 0) 333333 dwFrameInterval( 1) 400000 VideoStreaming Interface Descriptor: bLength 34 bDescriptorType 36 bDescriptorSubtype 7 (FRAME_MJPEG) bFrameIndex 8 bmCapabilities 0x00 Still image unsupported wWidth 1024 wHeight 576 dwMinBitRate 18432000 dwMaxBitRate 55296000 dwMaxVideoFrameBufferSize 1179648 dwDefaultFrameInterval 333333 bFrameIntervalType 2 dwFrameInterval( 0) 333333 dwFrameInterval( 1) 400000 VideoStreaming Interface Descriptor: bLength 34 bDescriptorType 36 bDescriptorSubtype 7 (FRAME_MJPEG) bFrameIndex 9 bmCapabilities 0x00 Still image unsupported wWidth 1280 wHeight 720 dwMinBitRate 18432000 dwMaxBitRate 55296000 dwMaxVideoFrameBufferSize 1843200 dwDefaultFrameInterval 333333 bFrameIntervalType 2 dwFrameInterval( 0) 333333 dwFrameInterval( 1) 400000 VideoStreaming Interface Descriptor: bLength 34 bDescriptorType 36 bDescriptorSubtype 7 (FRAME_MJPEG) bFrameIndex 10 bmCapabilities 0x00 Still image unsupported wWidth 1920 wHeight 1080 dwMinBitRate 18432000 dwMaxBitRate 55296000 dwMaxVideoFrameBufferSize 4147200 dwDefaultFrameInterval 333333 bFrameIntervalType 2 dwFrameInterval( 0) 333333 dwFrameInterval( 1) 400000 VideoStreaming Interface Descriptor: bLength 34 bDescriptorType 36 bDescriptorSubtype 7 (FRAME_MJPEG) bFrameIndex 11 bmCapabilities 0x00 Still image unsupported wWidth 2560 wHeight 1440 dwMinBitRate 18432000 dwMaxBitRate 55296000 dwMaxVideoFrameBufferSize 7372800 dwDefaultFrameInterval 333333 bFrameIntervalType 2 dwFrameInterval( 0) 333333 dwFrameInterval( 1) 400000 VideoStreaming Interface Descriptor: bLength 34 bDescriptorType 36 bDescriptorSubtype 7 (FRAME_MJPEG) bFrameIndex 12 bmCapabilities 0x00 Still image unsupported wWidth 1920 wHeight 1080 dwMinBitRate 18432000 dwMaxBitRate 55296000 dwMaxVideoFrameBufferSize 4147200 dwDefaultFrameInterval 333333 bFrameIntervalType 2 dwFrameInterval( 0) 333333 dwFrameInterval( 1) 400000 VideoStreaming Interface Descriptor: bLength 28 bDescriptorType 36 bDescriptorSubtype 16 (FORMAT_FRAME_BASED) bFormatIndex 2 bNumFrameDescriptors 12 guidFormat {34363248-0000-0010-8000-00aa00389b71} bBitsPerPixel 0 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 34 bDescriptorType 36 bDescriptorSubtype 17 (FRAME_FRAME_BASED) bFrameIndex 1 bmCapabilities 0x00 Still image unsupported wWidth 1920 wHeight 1080 dwMinBitRate 18432000 dwMaxBitRate 55296000 dwDefaultFrameInterval 333333 bFrameIntervalType 2 dwBytesPerLine 0 dwFrameInterval( 0) 333333 dwFrameInterval( 1) 400000 VideoStreaming Interface Descriptor: bLength 34 bDescriptorType 36 bDescriptorSubtype 17 (FRAME_FRAME_BASED) bFrameIndex 2 bmCapabilities 0x00 Still image unsupported wWidth 2560 wHeight 1440 dwMinBitRate 18432000 dwMaxBitRate 55296000 dwDefaultFrameInterval 333333 bFrameIntervalType 2 dwBytesPerLine 0 dwFrameInterval( 0) 333333 dwFrameInterval( 1) 400000 VideoStreaming Interface Descriptor: bLength 34 bDescriptorType 36 bDescriptorSubtype 17 (FRAME_FRAME_BASED) bFrameIndex 3 bmCapabilities 0x00 Still image unsupported wWidth 320 wHeight 240 dwMinBitRate 18432000 dwMaxBitRate 55296000 dwDefaultFrameInterval 333333 bFrameIntervalType 2 dwBytesPerLine 0 dwFrameInterval( 0) 333333 dwFrameInterval( 1) 400000 VideoStreaming Interface Descriptor: bLength 34 bDescriptorType 36 bDescriptorSubtype 17 (FRAME_FRAME_BASED) bFrameIndex 4 bmCapabilities 0x00 Still image unsupported wWidth 640 wHeight 360 dwMinBitRate 18432000 dwMaxBitRate 55296000 dwDefaultFrameInterval 333333 bFrameIntervalType 2 dwBytesPerLine 0 dwFrameInterval( 0) 333333 dwFrameInterval( 1) 400000 VideoStreaming Interface Descriptor: bLength 34 bDescriptorType 36 bDescriptorSubtype 17 (FRAME_FRAME_BASED) bFrameIndex 5 bmCapabilities 0x00 Still image unsupported wWidth 640 wHeight 480 dwMinBitRate 18432000 dwMaxBitRate 55296000 dwDefaultFrameInterval 333333 bFrameIntervalType 2 dwBytesPerLine 0 dwFrameInterval( 0) 333333 dwFrameInterval( 1) 400000 VideoStreaming Interface Descriptor: bLength 34 bDescriptorType 36 bDescriptorSubtype 17 (FRAME_FRAME_BASED) bFrameIndex 6 bmCapabilities 0x00 Still image unsupported wWidth 800 wHeight 600 dwMinBitRate 18432000 dwMaxBitRate 55296000 dwDefaultFrameInterval 333333 bFrameIntervalType 2 dwBytesPerLine 0 dwFrameInterval( 0) 333333 dwFrameInterval( 1) 400000 VideoStreaming Interface Descriptor: bLength 34 bDescriptorType 36 bDescriptorSubtype 17 (FRAME_FRAME_BASED) bFrameIndex 7 bmCapabilities 0x00 Still image unsupported wWidth 960 wHeight 720 dwMinBitRate 18432000 dwMaxBitRate 55296000 dwDefaultFrameInterval 333333 bFrameIntervalType 2 dwBytesPerLine 0 dwFrameInterval( 0) 333333 dwFrameInterval( 1) 400000 VideoStreaming Interface Descriptor: bLength 34 bDescriptorType 36 bDescriptorSubtype 17 (FRAME_FRAME_BASED) bFrameIndex 8 bmCapabilities 0x00 Still image unsupported wWidth 1024 wHeight 576 dwMinBitRate 18432000 dwMaxBitRate 55296000 dwDefaultFrameInterval 333333 bFrameIntervalType 2 dwBytesPerLine 0 dwFrameInterval( 0) 333333 dwFrameInterval( 1) 400000 VideoStreaming Interface Descriptor: bLength 34 bDescriptorType 36 bDescriptorSubtype 17 (FRAME_FRAME_BASED) bFrameIndex 9 bmCapabilities 0x00 Still image unsupported wWidth 1280 wHeight 720 dwMinBitRate 18432000 dwMaxBitRate 55296000 dwDefaultFrameInterval 333333 bFrameIntervalType 2 dwBytesPerLine 0 dwFrameInterval( 0) 333333 dwFrameInterval( 1) 400000 VideoStreaming Interface Descriptor: bLength 34 bDescriptorType 36 bDescriptorSubtype 17 (FRAME_FRAME_BASED) bFrameIndex 10 bmCapabilities 0x00 Still image unsupported wWidth 1920 wHeight 1080 dwMinBitRate 18432000 dwMaxBitRate 55296000 dwDefaultFrameInterval 333333 bFrameIntervalType 2 dwBytesPerLine 0 dwFrameInterval( 0) 333333 dwFrameInterval( 1) 400000 VideoStreaming Interface Descriptor: bLength 34 bDescriptorType 36 bDescriptorSubtype 17 (FRAME_FRAME_BASED) bFrameIndex 11 bmCapabilities 0x00 Still image unsupported wWidth 2560 wHeight 1440 dwMinBitRate 18432000 dwMaxBitRate 55296000 dwDefaultFrameInterval 333333 bFrameIntervalType 2 dwBytesPerLine 0 dwFrameInterval( 0) 333333 dwFrameInterval( 1) 400000 VideoStreaming Interface Descriptor: bLength 34 bDescriptorType 36 bDescriptorSubtype 17 (FRAME_FRAME_BASED) bFrameIndex 12 bmCapabilities 0x00 Still image unsupported wWidth 1920 wHeight 1080 dwMinBitRate 18432000 dwMaxBitRate 55296000 dwDefaultFrameInterval 333333 bFrameIntervalType 2 dwBytesPerLine 0 dwFrameInterval( 0) 333333 dwFrameInterval( 1) 400000 VideoStreaming Interface Descriptor: bLength 27 bDescriptorType 36 bDescriptorSubtype 4 (FORMAT_UNCOMPRESSED) bFormatIndex 3 bNumFrameDescriptors 9 guidFormat {32595559-0000-0010-8000-00aa00389b71} 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 VideoStreaming Interface Descriptor: bLength 34 bDescriptorType 36 bDescriptorSubtype 5 (FRAME_UNCOMPRESSED) bFrameIndex 1 bmCapabilities 0x00 Still image unsupported wWidth 640 wHeight 480 dwMinBitRate 18432000 dwMaxBitRate 55296000 dwMaxVideoFrameBufferSize 614400 dwDefaultFrameInterval 333333 bFrameIntervalType 2 dwFrameInterval( 0) 333333 dwFrameInterval( 1) 400000 VideoStreaming Interface Descriptor: bLength 34 bDescriptorType 36 bDescriptorSubtype 5 (FRAME_UNCOMPRESSED) bFrameIndex 2 bmCapabilities 0x00 Still image unsupported wWidth 320 wHeight 240 dwMinBitRate 18432000 dwMaxBitRate 55296000 dwMaxVideoFrameBufferSize 153600 dwDefaultFrameInterval 333333 bFrameIntervalType 2 dwFrameInterval( 0) 333333 dwFrameInterval( 1) 400000 VideoStreaming Interface Descriptor: bLength 34 bDescriptorType 36 bDescriptorSubtype 5 (FRAME_UNCOMPRESSED) bFrameIndex 3 bmCapabilities 0x00 Still image unsupported wWidth 640 wHeight 360 dwMinBitRate 18432000 dwMaxBitRate 55296000 dwMaxVideoFrameBufferSize 460800 dwDefaultFrameInterval 333333 bFrameIntervalType 2 dwFrameInterval( 0) 333333 dwFrameInterval( 1) 400000 VideoStreaming Interface Descriptor: bLength 34 bDescriptorType 36 bDescriptorSubtype 5 (FRAME_UNCOMPRESSED) bFrameIndex 4 bmCapabilities 0x00 Still image unsupported wWidth 640 wHeight 480 dwMinBitRate 18432000 dwMaxBitRate 55296000 dwMaxVideoFrameBufferSize 614400 dwDefaultFrameInterval 333333 bFrameIntervalType 2 dwFrameInterval( 0) 333333 dwFrameInterval( 1) 400000 VideoStreaming Interface Descriptor: bLength 34 bDescriptorType 36 bDescriptorSubtype 5 (FRAME_UNCOMPRESSED) bFrameIndex 5 bmCapabilities 0x00 Still image unsupported wWidth 800 wHeight 600 dwMinBitRate 18432000 dwMaxBitRate 55296000 dwMaxVideoFrameBufferSize 960000 dwDefaultFrameInterval 333333 bFrameIntervalType 2 dwFrameInterval( 0) 333333 dwFrameInterval( 1) 400000 VideoStreaming Interface Descriptor: bLength 34 bDescriptorType 36 bDescriptorSubtype 5 (FRAME_UNCOMPRESSED) bFrameIndex 6 bmCapabilities 0x00 Still image unsupported wWidth 960 wHeight 720 dwMinBitRate 18432000 dwMaxBitRate 55296000 dwMaxVideoFrameBufferSize 1382400 dwDefaultFrameInterval 333333 bFrameIntervalType 2 dwFrameInterval( 0) 333333 dwFrameInterval( 1) 400000 VideoStreaming Interface Descriptor: bLength 34 bDescriptorType 36 bDescriptorSubtype 5 (FRAME_UNCOMPRESSED) bFrameIndex 7 bmCapabilities 0x00 Still image unsupported wWidth 1024 wHeight 576 dwMinBitRate 18432000 dwMaxBitRate 55296000 dwMaxVideoFrameBufferSize 1179648 dwDefaultFrameInterval 333333 bFrameIntervalType 2 dwFrameInterval( 0) 333333 dwFrameInterval( 1) 400000 VideoStreaming Interface Descriptor: bLength 34 bDescriptorType 36 bDescriptorSubtype 5 (FRAME_UNCOMPRESSED) bFrameIndex 8 bmCapabilities 0x00 Still image unsupported wWidth 1280 wHeight 720 dwMinBitRate 18432000 dwMaxBitRate 55296000 dwMaxVideoFrameBufferSize 1843200 dwDefaultFrameInterval 333333 bFrameIntervalType 2 dwFrameInterval( 0) 333333 dwFrameInterval( 1) 400000 VideoStreaming Interface Descriptor: bLength 34 bDescriptorType 36 bDescriptorSubtype 5 (FRAME_UNCOMPRESSED) bFrameIndex 9 bmCapabilities 0x00 Still image unsupported wWidth 640 wHeight 480 dwMinBitRate 18432000 dwMaxBitRate 55296000 dwMaxVideoFrameBufferSize 614400 dwDefaultFrameInterval 333333 bFrameIntervalType 2 dwFrameInterval( 0) 333333 dwFrameInterval( 1) 400000 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 5 Endpoint Descriptor: bLength 7 bDescriptorType 5 bEndpointAddress 0x83 EP 3 IN bmAttributes 1 Transfer Type Isochronous Synch Type None Usage Type Data wMaxPacketSize 0x13fc 3x 1020 bytes bInterval 1 Interface Descriptor: bLength 9 bDescriptorType 4 bInterfaceNumber 1 bAlternateSetting 2 bNumEndpoints 1 bInterfaceClass 14 Video bInterfaceSubClass 2 Video Streaming bInterfaceProtocol 0 iInterface 5 Endpoint Descriptor: bLength 7 bDescriptorType 5 bEndpointAddress 0x85 EP 5 IN bmAttributes 1 Transfer Type Isochronous Synch Type None Usage Type Data wMaxPacketSize 0x0200 1x 512 bytes bInterval 1 Interface Association: bLength 8 bDescriptorType 11 bFirstInterface 2 bInterfaceCount 2 bFunctionClass 1 Audio bFunctionSubClass 2 Streaming bFunctionProtocol 0 iFunction 6 Interface Descriptor: bLength 9 bDescriptorType 4 bInterfaceNumber 2 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) 3 AudioControl Interface Descriptor: bLength 12 bDescriptorType 36 bDescriptorSubtype 2 (INPUT_TERMINAL) bTerminalID 1 wTerminalType 0x0201 Microphone bAssocTerminal 0 bNrChannels 1 wChannelConfig 0x0000 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 3 bAlternateSetting 0 bNumEndpoints 0 bInterfaceClass 1 Audio bInterfaceSubClass 2 Streaming bInterfaceProtocol 0 iInterface 0 Interface Descriptor: bLength 9 bDescriptorType 4 bInterfaceNumber 3 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 255 frames wFormatTag 0x0001 PCM AudioStreaming Interface Descriptor: bLength 20 bDescriptorType 36 bDescriptorSubtype 2 (FORMAT_TYPE) bFormatType 1 (FORMAT_TYPE_I) bNrChannels 1 bSubframeSize 2 bBitResolution 16 bSamFreqType 4 Discrete tSamFreq[ 0] 8000 tSamFreq[ 1] 16000 tSamFreq[ 2] 32000 tSamFreq[ 3] 48000 Endpoint Descriptor: bLength 9 bDescriptorType 5 bEndpointAddress 0x89 EP 9 IN bmAttributes 1 Transfer Type Isochronous Synch Type None Usage Type Data wMaxPacketSize 0x0080 1x 128 bytes bInterval 4 bRefresh 0 bSynchAddress 0 AudioStreaming Endpoint Descriptor: bLength 7 bDescriptorType 37 bDescriptorSubtype 1 (EP_GENERAL) bmAttributes 0x01 Sampling Frequency bLockDelayUnits 0 Undefined wLockDelay 0x0000 Interface Association: bLength 8 bDescriptorType 11 bFirstInterface 4 bInterfaceCount 2 bFunctionClass 2 Communications bFunctionSubClass 2 Abstract (modem) bFunctionProtocol 1 AT-commands (v.25ter) iFunction 0 Interface Descriptor: bLength 9 bDescriptorType 4 bInterfaceNumber 4 bAlternateSetting 0 bNumEndpoints 1 bInterfaceClass 2 Communications bInterfaceSubClass 2 Abstract (modem) bInterfaceProtocol 1 AT-commands (v.25ter) iInterface 0 CDC Header: bcdCDC 1.10 CDC Call Management: bmCapabilities 0x00 bDataInterface 5 CDC ACM: bmCapabilities 0x02 line coding and serial state CDC Union: bMasterInterface 4 bSlaveInterface 5 Endpoint Descriptor: bLength 7 bDescriptorType 5 bEndpointAddress 0x82 EP 2 IN bmAttributes 3 Transfer Type Interrupt Synch Type None Usage Type Data wMaxPacketSize 0x0008 1x 8 bytes bInterval 255 Interface Descriptor: bLength 9 bDescriptorType 4 bInterfaceNumber 5 bAlternateSetting 0 bNumEndpoints 2 bInterfaceClass 10 CDC Data bInterfaceSubClass 0 bInterfaceProtocol 0 iInterface 0 Endpoint Descriptor: bLength 7 bDescriptorType 5 bEndpointAddress 0x84 EP 4 IN bmAttributes 2 Transfer Type Bulk Synch Type None Usage Type Data wMaxPacketSize 0x0040 1x 64 bytes bInterval 0 Endpoint Descriptor: bLength 7 bDescriptorType 5 bEndpointAddress 0x04 EP 4 OUT bmAttributes 2 Transfer Type Bulk Synch Type None Usage Type Data wMaxPacketSize 0x0040 1x 64 bytes bInterval 0 --endcollapse-- !!USB Stream information !!---------------------- --startcollapse-- SHENZHEN Fullhan webcam at usb-0000:01:00.0-1.2, high speed : USB Audio Capture: Status: Stop Interface 3 Altset 1 Format: S16_LE Channels: 1 Endpoint: 9 IN (NONE) Rates: 8000, 16000, 32000, 48000 Data packet interval: 1000 us Bits: 16 --endcollapse-- !!USB Mixer information !!--------------------- --startcollapse-- USB Mixer: usb_id=0x1d6c0103, ctrlif=2, ctlerr=0 Card: SHENZHEN Fullhan webcam at usb-0000:01:00.0-1.2, high speed Unit: 5 Control: name="Mic Capture Volume", index=0 Info: id=5, control=2, cmask=0x0, channels=1, type="S16" Volume: min=0, max=31, dBmin=0, dBmax=12 Unit: 5 Control: name="Mic Capture Switch", index=0 Info: id=5, control=1, cmask=0x0, channels=1, type="INV_BOOLEAN" Volume: min=0, max=1, dBmin=0, dBmax=0 --endcollapse-- !!ALSA Device nodes !!----------------- crw-rw---- 1 root audio 116, 8 Apr 1 2020 /dev/snd/controlC0 crw-rw---- 1 root audio 116, 6 Apr 1 2020 /dev/snd/controlC1 crw-rw---- 1 root audio 116, 10 Apr 1 2020 /dev/snd/controlC2 crw-rw---- 1 root audio 116, 7 Apr 1 2020 /dev/snd/pcmC0D0p crw-rw---- 1 root audio 116, 3 Apr 1 2020 /dev/snd/pcmC1D0c crw-rw---- 1 root audio 116, 2 Apr 1 2020 /dev/snd/pcmC1D0p crw-rw---- 1 root audio 116, 5 Apr 1 2020 /dev/snd/pcmC1D1c crw-rw---- 1 root audio 116, 4 Apr 1 2020 /dev/snd/pcmC1D1p crw-rw---- 1 root audio 116, 9 Apr 1 2020 /dev/snd/pcmC2D0c crw-rw---- 1 root audio 116, 1 Apr 1 2020 /dev/snd/seq crw-rw---- 1 root audio 116, 33 Apr 1 2020 /dev/snd/timer /dev/snd/by-id: total 0 drwxr-xr-x 2 root root 60 Apr 1 2020 . drwxr-xr-x 4 root root 300 Apr 1 2020 .. lrwxrwxrwx 1 root root 12 Apr 1 2020 usb-SHENZHEN_Fullhan_webcam_20200506-02 -> ../controlC2 /dev/snd/by-path: total 0 drwxr-xr-x 2 root root 100 Apr 1 2020 . drwxr-xr-x 4 root root 300 Apr 1 2020 .. lrwxrwxrwx 1 root root 12 Apr 1 2020 platform-bcm2835_audio -> ../controlC0 lrwxrwxrwx 1 root root 12 Apr 1 2020 platform-fd500000.pcie-pci-0000:01:00.0-usb-0:1.2:1.2 -> ../controlC2 lrwxrwxrwx 1 root root 12 Apr 1 2020 platform-snd_aloop.0 -> ../controlC1 !!Aplay/Arecord output !!-------------------- APLAY aplay: device_list:274: no soundcards found... ARECORD arecord: device_list:274: no soundcards found... !!Amixer output !!------------- !!-------Mixer controls for card Headphones Invalid card number. Usage: amixer [command] Available options: -h,--help this help -c,--card N select the card -D,--device N select the device, default 'default' -d,--debug debug mode -n,--nocheck do not perform range checking -v,--version print version of this program -q,--quiet be quiet -i,--inactive show also inactive controls -a,--abstract L select abstraction level (none or basic) -s,--stdin Read and execute commands from stdin sequentially -R,--raw-volume Use the raw value (default) -M,--mapped-volume Use the mapped volume Available commands: scontrols show all mixer simple controls scontents show contents of all mixer simple controls (default command) sset sID P set contents for one mixer simple control sget sID get contents for one mixer simple control controls show all controls for given card contents show contents of all controls for given card cset cID P set control contents for one control cget cID get control contents for one control Invalid card number. Usage: amixer [command] Available options: -h,--help this help -c,--card N select the card -D,--device N select the device, default 'default' -d,--debug debug mode -n,--nocheck do not perform range checking -v,--version print version of this program -q,--quiet be quiet -i,--inactive show also inactive controls -a,--abstract L select abstraction level (none or basic) -s,--stdin Read and execute commands from stdin sequentially -R,--raw-volume Use the raw value (default) -M,--mapped-volume Use the mapped volume Available commands: scontrols show all mixer simple controls scontents show contents of all mixer simple controls (default command) sset sID P set contents for one mixer simple control sget sID get contents for one mixer simple control controls show all controls for given card contents show contents of all controls for given card cset cID P set control contents for one control cget cID get control contents for one control !!-------Mixer controls for card Loopback Invalid card number. Usage: amixer [command] Available options: -h,--help this help -c,--card N select the card -D,--device N select the device, default 'default' -d,--debug debug mode -n,--nocheck do not perform range checking -v,--version print version of this program -q,--quiet be quiet -i,--inactive show also inactive controls -a,--abstract L select abstraction level (none or basic) -s,--stdin Read and execute commands from stdin sequentially -R,--raw-volume Use the raw value (default) -M,--mapped-volume Use the mapped volume Available commands: scontrols show all mixer simple controls scontents show contents of all mixer simple controls (default command) sset sID P set contents for one mixer simple control sget sID get contents for one mixer simple control controls show all controls for given card contents show contents of all controls for given card cset cID P set control contents for one control cget cID get control contents for one control Invalid card number. Usage: amixer [command] Available options: -h,--help this help -c,--card N select the card -D,--device N select the device, default 'default' -d,--debug debug mode -n,--nocheck do not perform range checking -v,--version print version of this program -q,--quiet be quiet -i,--inactive show also inactive controls -a,--abstract L select abstraction level (none or basic) -s,--stdin Read and execute commands from stdin sequentially -R,--raw-volume Use the raw value (default) -M,--mapped-volume Use the mapped volume Available commands: scontrols show all mixer simple controls scontents show contents of all mixer simple controls (default command) sset sID P set contents for one mixer simple control sget sID get contents for one mixer simple control controls show all controls for given card contents show contents of all controls for given card cset cID P set control contents for one control cget cID get control contents for one control !!-------Mixer controls for card webcam Invalid card number. Usage: amixer [command] Available options: -h,--help this help -c,--card N select the card -D,--device N select the device, default 'default' -d,--debug debug mode -n,--nocheck do not perform range checking -v,--version print version of this program -q,--quiet be quiet -i,--inactive show also inactive controls -a,--abstract L select abstraction level (none or basic) -s,--stdin Read and execute commands from stdin sequentially -R,--raw-volume Use the raw value (default) -M,--mapped-volume Use the mapped volume Available commands: scontrols show all mixer simple controls scontents show contents of all mixer simple controls (default command) sset sID P set contents for one mixer simple control sget sID get contents for one mixer simple control controls show all controls for given card contents show contents of all controls for given card cset cID P set control contents for one control cget cID get control contents for one control Invalid card number. Usage: amixer [command] Available options: -h,--help this help -c,--card N select the card -D,--device N select the device, default 'default' -d,--debug debug mode -n,--nocheck do not perform range checking -v,--version print version of this program -q,--quiet be quiet -i,--inactive show also inactive controls -a,--abstract L select abstraction level (none or basic) -s,--stdin Read and execute commands from stdin sequentially -R,--raw-volume Use the raw value (default) -M,--mapped-volume Use the mapped volume Available commands: scontrols show all mixer simple controls scontents show contents of all mixer simple controls (default command) sset sID P set contents for one mixer simple control sget sID get contents for one mixer simple control controls show all controls for given card contents show contents of all controls for given card cset cID P set control contents for one control cget cID get control contents for one control !!Alsactl output !!-------------- --startcollapse-- --endcollapse-- !!All Loaded Modules !!------------------ ac97_bus aes_neon_blk aes_neon_bs af_alg algif_hash algif_skcipher autofs4 bcm2835_codec bcm2835_isp bcm2835_mmal_vchiq bcm2835_v4l2 binfmt_misc bluetooth bnep brcmfmac brcmutil btbcm btintel btqca btsdio cdc_acm cfg80211 crct10dif_ce cryptd crypto_simd drm drm_kms_helper ecc ecdh_generic fb_sys_fops gpu_sched hci_uart ip_tables lp mc parport phy_generic ppdev raspberrypi_hwmon rfcomm rpivid_mem sch_fq_codel snd snd_aloop snd_bcm2835 snd_compress snd_hwdep snd_mixer_oss snd_pcm snd_pcm_dmaengine snd_pcm_oss snd_rawmidi snd_seq snd_seq_device snd_seq_dummy snd_seq_midi snd_seq_midi_event snd_seq_oss snd_soc_core snd_timer snd_usb_audio snd_usbmidi_lib spidev syscopyarea sysfillrect sysimgblt uio uio_pdrv_genirq uvcvideo v3d v4l2_mem2mem v4l2loopback v4l2loopback_dc vc4 vc_sm_cma videobuf2_common videobuf2_dma_contig videobuf2_memops videobuf2_v4l2 videobuf2_vmalloc videodev x_tables !!ALSA/HDA dmesg !!-------------- [ 0.000000] Built 1 zonelists, mobility grouping on. Total pages: 2015744 [ 0.000000] Kernel command line: coherent_pool=1M 8250.nr_uarts=0 snd_bcm2835.enable_compat_alsa=0 snd_bcm2835.enable_hdmi=1 snd_bcm2835.enable_headphones=1 smsc95xx.macaddr=DC:A6:32:C7:7C:45 vc_mem.mem_base=0x3ec00000 vc_mem.mem_size=0x40000000 net.ifnames=0 dwc_otg.lpm_enable=0 console=tty1 root=LABEL=writable rootfstype=ext4 elevator=deadline rootwait fixrtc quiet splash quiet splash [ 0.000000] Dentry cache hash table entries: 1048576 (order: 11, 8388608 bytes, linear) -- [ 2.562921] usb 1-1.2: SerialNumber: 20200506 [ 2.572144] snd_pcm_dmaengine: Unknown symbol snd_pcm_format_physical_width (err -2) [ 2.572161] snd_pcm_dmaengine: Unknown symbol snd_pcm_hw_constraint_integer (err -2) [ 2.572166] snd_pcm_dmaengine: Unknown symbol snd_pcm_period_elapsed (err -2) [ 2.601628] usb_phy_generic phy: phy supply vcc not found, using dummy regulator -- [ 7.333870] rpivid-mem feb30000.vp9-decoder: rpivid-vp9mem initialised: Registers at 0xfeb30000 length 0x00010000 [ 7.402391] snd_bcm2835: module is from the staging directory, the quality is unknown, you have been warned. [ 7.410715] bcm2835_audio bcm2835_audio: card created with 8 channels -- [ 7.538049] bcm2835_isp: module is from the staging directory, the quality is unknown, you have been warned. [ 7.703134] [drm] No displays found. Consider forcing hotplug if HDMI is attached [ 7.703187] vc4-drm gpu: bound fe600000.firmwarekms (ops vc4_fkms_ops [vc4]) -- [ 7.786621] USB Video Class driver (1.1.1) [ 7.879550] usbcore: registered new interface driver snd-usb-audio [ 7.889051] brcmfmac: F1 signature read @0x18000000=0x15264345 !!Packages installed !!-------------------- ii alsa-tools-gui 1.1.7-1ubuntu1 arm64 GUI based ALSA utilities for specific hardware ii alsa-topology-conf 1.2.2-1 all ALSA topology configuration files ii alsa-ucm-conf 1.2.2-1ubuntu0.5 all ALSA Use Case Manager configuration files ii alsa-utils 1.2.2-1ubuntu2 arm64 Utilities for configuring and using ALSA