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Date: Tue, 28 Jul 2020 09:25:46 +1000
From: Dmitry Buzdyk <dima.buzdyk@...il.com>
To: Laurent Pinchart <laurent.pinchart@...asonboard.com>
Cc: john.agosta@...onical.com, kevin.lu@...onical.com,
ethan.hsieh@...onical.com, 'Jesse Sung' <jesse.sung@...onical.com>,
Mauro Carvalho Chehab <mchehab@...nel.org>,
linux-media@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: Re: [RFC PATCH] uvcvideo: Add mapping for HEVC payloads
Hi Laurent,
Had you a chance to review USB descriptors from the device provided
below? Is any additional information needed?
On Wed, Jul 15, 2020 at 06:00:10PM +1000, Dmitry Buzdyk wrote:
> On Tue, Jun 09, 2020 at 02:57:36PM +1000, Dmitry Buzdyk wrote:
> Hi Laurent,
>
> Please see updated information below
>
> > On Sun, Jun 07, 2020 at 04:07:19AM +0300, Laurent Pinchart wrote:
> > > Hi Dmitry,
> > >
> > > Thank you for the patch.
> > >
> > > On Fri, May 29, 2020 at 11:05:47AM +1000, Dmitry Buzdyk wrote:
> > > > Add HEVC GUID and assotiate with HEVC pixel format so that frame
> > > > based format descriptors recognized by the UVC video driver.
> > >
> > > The patch itself looks OK to me, but could you share a bit more
> > > information about which device(s) implement this ? Are they UVC 1.1
> > > devices ? Could you share their full USB descriptors (retrieved with
> > > 'lsusb -v', running as root if possible) ?
> > This is a UVC1.1 camera device based on Ambarella H22 SOC.
> > Please note that device is still in development and yet to get actual
> > VID and PID.
> Device got its VID:PID from USB-IF:
>
> Bus 001 Device 009: ID 3301:1000
> Device Descriptor:
> bLength 18
> bDescriptorType 1
> bcdUSB 2.00
> bDeviceClass 239 Miscellaneous Device
> bDeviceSubClass 2
> bDeviceProtocol 1 Interface Association
> bMaxPacketSize0 64
> idVendor 0x3301
> idProduct 0x1000
> bcdDevice 0.10
> iManufacturer 1 Rhonda
> iProduct 2 Rhonda Cam
> iSerial 3 FMABCLE15000007
> bNumConfigurations 1
> Configuration Descriptor:
> bLength 9
> bDescriptorType 2
> wTotalLength 0x022f
> bNumInterfaces 3
> bConfigurationValue 1
> iConfiguration 0
> bmAttributes 0x80
> (Bus Powered)
> MaxPower 500mA
> Interface Association:
> bLength 8
> bDescriptorType 11
> bFirstInterface 0
> bInterfaceCount 3
> bFunctionClass 14 Video
> bFunctionSubClass 3 Video Interface Collection
> bFunctionProtocol 0
> iFunction 2 Rhonda Cam
> Interface Descriptor:
> bLength 9
> bDescriptorType 4
> bInterfaceNumber 0
> bAlternateSetting 0
> bNumEndpoints 1
> bInterfaceClass 14 Video
> bInterfaceSubClass 1 Video Control
> bInterfaceProtocol 0
> iInterface 2 Rhonda Cam
> VideoControl Interface Descriptor:
> bLength 14
> bDescriptorType 36
> bDescriptorSubtype 1 (HEADER)
> bcdUVC 1.10
> wTotalLength 0x006b
> dwClockFrequency 50.000000MHz
> bInCollection 2
> baInterfaceNr( 0) 1
> baInterfaceNr( 1) 2
> VideoControl Interface Descriptor:
> bLength 44
> bDescriptorType 36
> bDescriptorSubtype 6 (EXTENSION_UNIT)
> bUnitID 10
> guidExtensionCode {e307e649-4618-a3ff-82fc-2d8b5f216773}
> bNumControl 146
> bNrPins 1
> baSourceID( 0) 5
> bControlSize 19
> bmControls( 0) 0x05
> bmControls( 1) 0x00
> bmControls( 2) 0x00
> bmControls( 3) 0x00
> bmControls( 4) 0x00
> bmControls( 5) 0x00
> bmControls( 6) 0x00
> bmControls( 7) 0x00
> bmControls( 8) 0x00
> bmControls( 9) 0x00
> bmControls(10) 0x00
> bmControls(11) 0x00
> bmControls(12) 0x00
> bmControls(13) 0x00
> bmControls(14) 0x00
> bmControls(15) 0x00
> bmControls(16) 0x00
> bmControls(17) 0xf0
> bmControls(18) 0x02
> iExtension 0
> VideoControl Interface Descriptor:
> bLength 18
> bDescriptorType 36
> bDescriptorSubtype 2 (INPUT_TERMINAL)
> bTerminalID 1
> wTerminalType 0x0201 Camera Sensor
> bAssocTerminal 0
> iTerminal 0
> wObjectiveFocalLengthMin 0
> wObjectiveFocalLengthMax 0
> wOcularFocalLength 0
> bControlSize 3
> bmControls 0x00100000
> VideoControl Interface Descriptor:
> bLength 13
> bDescriptorType 36
> bDescriptorSubtype 5 (PROCESSING_UNIT)
> bUnitID 5
> bSourceID 1
> wMaxMultiplier 0
> bControlSize 3
> bmControls 0x00000400
> Power Line Frequency
> iProcessing 0
> bmVideoStandards 0x00
> VideoControl Interface Descriptor:
> bLength 9
> bDescriptorType 36
> bDescriptorSubtype 3 (OUTPUT_TERMINAL)
> bTerminalID 16
> wTerminalType 0x0101 USB Streaming
> bAssocTerminal 0
> bSourceID 10
> iTerminal 0
> VideoControl Interface Descriptor:
> bLength 9
> bDescriptorType 36
> bDescriptorSubtype 3 (OUTPUT_TERMINAL)
> bTerminalID 17
> wTerminalType 0x0101 USB Streaming
> bAssocTerminal 0
> bSourceID 10
> 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 0x0010 1x 16 bytes
> bInterval 15
> Interface Descriptor:
> bLength 9
> bDescriptorType 4
> bInterfaceNumber 1
> bAlternateSetting 0
> bNumEndpoints 1
> 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 0x00bf
> bEndPointAddress 130
> bmInfo 0
> bTerminalLink 16
> bStillCaptureMethod 0
> bTriggerSupport 0
> bTriggerUsage 0
> bControlSize 1
> bmaControls( 0) 0
> bmaControls( 1) 0
> bmaControls( 2) 4
> VideoStreaming Interface Descriptor:
> bLength 28
> bDescriptorType 36
> bDescriptorSubtype 16 (FORMAT_FRAME_BASED)
> bFormatIndex 1
> bNumFrameDescriptors 1
> 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 30
> bDescriptorType 36
> bDescriptorSubtype 17 (FRAME_FRAME_BASED)
> bFrameIndex 1
> bmCapabilities 0x00
> Still image unsupported
> wWidth 1440
> wHeight 1920
> dwMinBitRate 10000000
> dwMaxBitRate 10000000
> dwDefaultFrameInterval 333333
> bFrameIntervalType 1
> dwBytesPerLine 0
> dwFrameInterval( 0) 333333
> 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 2
> bNumFrameDescriptors 1
> guidFormat {43564548-0000-0010-8000-00aa00389b71}
> 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 30
> bDescriptorType 36
> bDescriptorSubtype 17 (FRAME_FRAME_BASED)
> bFrameIndex 1
> bmCapabilities 0x00
> Still image unsupported
> wWidth 1440
> wHeight 1920
> dwMinBitRate 10000000
> dwMaxBitRate 10000000
> dwDefaultFrameInterval 333333
> bFrameIntervalType 1
> dwBytesPerLine 0
> dwFrameInterval( 0) 333333
> 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 11
> bDescriptorType 36
> bDescriptorSubtype 6 (FORMAT_MJPEG)
> bFormatIndex 3
> bNumFrameDescriptors 1
> 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 30
> bDescriptorType 36
> bDescriptorSubtype 7 (FRAME_MJPEG)
> bFrameIndex 1
> bmCapabilities 0x00
> Still image unsupported
> wWidth 3000
> wHeight 4000
> dwMinBitRate 10000000
> dwMaxBitRate 10000000
> dwMaxVideoFrameBufferSize 36000000
> dwDefaultFrameInterval 1000000
> bFrameIntervalType 1
> dwFrameInterval( 0) 1000000
> 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 0x82 EP 2 IN
> bmAttributes 2
> Transfer Type Bulk
> Synch Type None
> Usage Type Data
> wMaxPacketSize 0x0200 1x 512 bytes
> bInterval 0
> Interface Descriptor:
> bLength 9
> bDescriptorType 4
> bInterfaceNumber 2
> bAlternateSetting 0
> bNumEndpoints 1
> 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 0x00bf
> bEndPointAddress 131
> bmInfo 0
> bTerminalLink 17
> bStillCaptureMethod 0
> bTriggerSupport 0
> bTriggerUsage 0
> bControlSize 1
> bmaControls( 0) 0
> bmaControls( 1) 0
> bmaControls( 2) 4
> VideoStreaming Interface Descriptor:
> bLength 28
> bDescriptorType 36
> bDescriptorSubtype 16 (FORMAT_FRAME_BASED)
> bFormatIndex 1
> bNumFrameDescriptors 1
> 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 30
> bDescriptorType 36
> bDescriptorSubtype 17 (FRAME_FRAME_BASED)
> bFrameIndex 1
> bmCapabilities 0x00
> Still image unsupported
> wWidth 1440
> wHeight 1920
> dwMinBitRate 10000000
> dwMaxBitRate 10000000
> dwDefaultFrameInterval 333333
> bFrameIntervalType 1
> dwBytesPerLine 0
> dwFrameInterval( 0) 333333
> 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 2
> bNumFrameDescriptors 1
> guidFormat {43564548-0000-0010-8000-00aa00389b71}
> 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 30
> bDescriptorType 36
> bDescriptorSubtype 17 (FRAME_FRAME_BASED)
> bFrameIndex 1
> bmCapabilities 0x00
> Still image unsupported
> wWidth 1440
> wHeight 1920
> dwMinBitRate 10000000
> dwMaxBitRate 10000000
> dwDefaultFrameInterval 333333
> bFrameIntervalType 1
> dwBytesPerLine 0
> dwFrameInterval( 0) 333333
> 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 11
> bDescriptorType 36
> bDescriptorSubtype 6 (FORMAT_MJPEG)
> bFormatIndex 3
> bNumFrameDescriptors 1
> 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 30
> bDescriptorType 36
> bDescriptorSubtype 7 (FRAME_MJPEG)
> bFrameIndex 1
> bmCapabilities 0x00
> Still image unsupported
> wWidth 3000
> wHeight 4000
> dwMinBitRate 10000000
> dwMaxBitRate 10000000
> dwMaxVideoFrameBufferSize 36000000
> dwDefaultFrameInterval 1000000
> bFrameIntervalType 1
> dwFrameInterval( 0) 1000000
> 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 0x83 EP 3 IN
> bmAttributes 2
> Transfer Type Bulk
> Synch Type None
> Usage Type Data
> wMaxPacketSize 0x0200 1x 512 bytes
> bInterval 0
> Device Qualifier (for other device speed):
> bLength 10
> bDescriptorType 6
> bcdUSB 2.00
> bDeviceClass 239 Miscellaneous Device
> bDeviceSubClass 2
> bDeviceProtocol 1 Interface Association
> bMaxPacketSize0 64
> bNumConfigurations 1
> Device Status: 0x0000
> (Bus Powered)
> >
> > Output of lsusb is:
> >
> > Bus 001 Device 010: ID 1209:0001 Generic pid.codes Test PID
> > Device Descriptor:
> > bLength 18
> > bDescriptorType 1
> > bcdUSB 2.00
> > bDeviceClass 239 Miscellaneous Device
> > bDeviceSubClass 2
> > bDeviceProtocol 1 Interface Association
> > bMaxPacketSize0 64
> > idVendor 0x1209 Generic
> > idProduct 0x0001 pid.codes Test PID
> > bcdDevice 0.10
> > iManufacturer 1 Rhonda
> > iProduct 2 Rhonda Cam
> > iSerial 3 FMABCLE15000007
> > bNumConfigurations 1
> > Configuration Descriptor:
> > bLength 9
> > bDescriptorType 2
> > wTotalLength 0x01ff
> > bNumInterfaces 3
> > bConfigurationValue 1
> > iConfiguration 0
> > bmAttributes 0x80
> > (Bus Powered)
> > MaxPower 500mA
> > Interface Association:
> > bLength 8
> > bDescriptorType 11
> > bFirstInterface 0
> > bInterfaceCount 3
> > bFunctionClass 14 Video
> > bFunctionSubClass 3 Video Interface Collection
> > bFunctionProtocol 0
> > iFunction 2 Rhonda Cam
> > Interface Descriptor:
> > bLength 9
> > bDescriptorType 4
> > bInterfaceNumber 0
> > bAlternateSetting 0
> > bNumEndpoints 1
> > bInterfaceClass 14 Video
> > bInterfaceSubClass 1 Video Control
> > bInterfaceProtocol 0
> > iInterface 2 Rhonda Cam
> > VideoControl Interface Descriptor:
> > bLength 14
> > bDescriptorType 36
> > bDescriptorSubtype 1 (HEADER)
> > bcdUVC 1.10
> > wTotalLength 0x006b
> > dwClockFrequency 50.000000MHz
> > bInCollection 2
> > baInterfaceNr( 0) 1
> > baInterfaceNr( 1) 2
> > VideoControl Interface Descriptor:
> > bLength 44
> > bDescriptorType 36
> > bDescriptorSubtype 6 (EXTENSION_UNIT)
> > bUnitID 10
> > guidExtensionCode {e307e649-4618-a3ff-82fc-2d8b5f216773}
> > bNumControl 146
> > bNrPins 1
> > baSourceID( 0) 5
> > bControlSize 19
> > bmControls( 0) 0x05
> > bmControls( 1) 0x00
> > bmControls( 2) 0x00
> > bmControls( 3) 0x00
> > bmControls( 4) 0x00
> > bmControls( 5) 0x00
> > bmControls( 6) 0x00
> > bmControls( 7) 0x00
> > bmControls( 8) 0x00
> > bmControls( 9) 0x00
> > bmControls(10) 0x00
> > bmControls(11) 0x00
> > bmControls(12) 0x00
> > bmControls(13) 0x00
> > bmControls(14) 0x00
> > bmControls(15) 0x00
> > bmControls(16) 0x00
> > bmControls(17) 0xf0
> > bmControls(18) 0x02
> > iExtension 0
> > VideoControl Interface Descriptor:
> > bLength 18
> > bDescriptorType 36
> > bDescriptorSubtype 2 (INPUT_TERMINAL)
> > bTerminalID 1
> > wTerminalType 0x0201 Camera Sensor
> > bAssocTerminal 0
> > iTerminal 0
> > wObjectiveFocalLengthMin 0
> > wObjectiveFocalLengthMax 0
> > wOcularFocalLength 0
> > bControlSize 3
> > bmControls 0x00100000
> > VideoControl Interface Descriptor:
> > bLength 13
> > bDescriptorType 36
> > bDescriptorSubtype 5 (PROCESSING_UNIT)
> > bUnitID 5
> > bSourceID 1
> > wMaxMultiplier 0
> > bControlSize 3
> > bmControls 0x00000400
> > Power Line Frequency
> > iProcessing 0
> > bmVideoStandards 0x00
> > VideoControl Interface Descriptor:
> > bLength 9
> > bDescriptorType 36
> > bDescriptorSubtype 3 (OUTPUT_TERMINAL)
> > bTerminalID 16
> > wTerminalType 0x0101 USB Streaming
> > bAssocTerminal 0
> > bSourceID 10
> > iTerminal 0
> > VideoControl Interface Descriptor:
> > bLength 9
> > bDescriptorType 36
> > bDescriptorSubtype 3 (OUTPUT_TERMINAL)
> > bTerminalID 17
> > wTerminalType 0x0101 USB Streaming
> > bAssocTerminal 0
> > bSourceID 10
> > 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 0x0010 1x 16 bytes
> > bInterval 15
> > Interface Descriptor:
> > bLength 9
> > bDescriptorType 4
> > bInterfaceNumber 1
> > bAlternateSetting 0
> > bNumEndpoints 1
> > 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 0x00bf
> > bEndPointAddress 130
> > bmInfo 0
> > bTerminalLink 16
> > bStillCaptureMethod 0
> > bTriggerSupport 0
> > bTriggerUsage 0
> > bControlSize 1
> > bmaControls( 0) 0
> > bmaControls( 1) 0
> > bmaControls( 2) 4
> > VideoStreaming Interface Descriptor:
> > bLength 28
> > bDescriptorType 36
> > bDescriptorSubtype 16 (FORMAT_FRAME_BASED)
> > bFormatIndex 1
> > bNumFrameDescriptors 1
> > 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 30
> > bDescriptorType 36
> > bDescriptorSubtype 17 (FRAME_FRAME_BASED)
> > bFrameIndex 1
> > bmCapabilities 0x00
> > Still image unsupported
> > wWidth 1440
> > wHeight 1920
> > dwMinBitRate 10000000
> > dwMaxBitRate 10000000
> > dwDefaultFrameInterval 333333
> > bFrameIntervalType 1
> > dwBytesPerLine 0
> > dwFrameInterval( 0) 333333
> > 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 2
> > bNumFrameDescriptors 1
> > guidFormat {43564548-0000-0010-8000-00aa00389b71}
> > 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 30
> > bDescriptorType 36
> > bDescriptorSubtype 17 (FRAME_FRAME_BASED)
> > bFrameIndex 1
> > bmCapabilities 0x00
> > Still image unsupported
> > wWidth 1440
> > wHeight 1920
> > dwMinBitRate 10000000
> > dwMaxBitRate 10000000
> > dwDefaultFrameInterval 333333
> > bFrameIntervalType 1
> > dwBytesPerLine 0
> > dwFrameInterval( 0) 333333
> > 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 11
> > bDescriptorType 36
> > bDescriptorSubtype 6 (FORMAT_MJPEG)
> > bFormatIndex 3
> > bNumFrameDescriptors 1
> > 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 30
> > bDescriptorType 36
> > bDescriptorSubtype 7 (FRAME_MJPEG)
> > bFrameIndex 1
> > bmCapabilities 0x00
> > Still image unsupported
> > wWidth 3000
> > wHeight 4000
> > dwMinBitRate 10000000
> > dwMaxBitRate 10000000
> > dwMaxVideoFrameBufferSize 36000000
> > dwDefaultFrameInterval 1000000
> > bFrameIntervalType 1
> > dwFrameInterval( 0) 1000000
> > 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 0x82 EP 2 IN
> > bmAttributes 2
> > Transfer Type Bulk
> > Synch Type None
> > Usage Type Data
> > wMaxPacketSize 0x0200 1x 512 bytes
> > bInterval 0
> > Interface Descriptor:
> > bLength 9
> > bDescriptorType 4
> > bInterfaceNumber 2
> > bAlternateSetting 0
> > bNumEndpoints 1
> > bInterfaceClass 14 Video
> > bInterfaceSubClass 2 Video Streaming
> > bInterfaceProtocol 0
> > iInterface 0
> > VideoStreaming Interface Descriptor:
> > bLength 15
> > bDescriptorType 36
> > bDescriptorSubtype 1 (INPUT_HEADER)
> > bNumFormats 2
> > wTotalLength 0x008f
> > bEndPointAddress 131
> > bmInfo 0
> > bTerminalLink 17
> > bStillCaptureMethod 0
> > bTriggerSupport 0
> > bTriggerUsage 0
> > bControlSize 1
> > bmaControls( 0) 0
> > bmaControls( 1) 0
> > VideoStreaming Interface Descriptor:
> > bLength 28
> > bDescriptorType 36
> > bDescriptorSubtype 16 (FORMAT_FRAME_BASED)
> > bFormatIndex 1
> > bNumFrameDescriptors 1
> > 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 30
> > bDescriptorType 36
> > bDescriptorSubtype 17 (FRAME_FRAME_BASED)
> > bFrameIndex 1
> > bmCapabilities 0x00
> > Still image unsupported
> > wWidth 1440
> > wHeight 1920
> > dwMinBitRate 10000000
> > dwMaxBitRate 10000000
> > dwDefaultFrameInterval 333333
> > bFrameIntervalType 1
> > dwBytesPerLine 0
> > dwFrameInterval( 0) 333333
> > 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 2
> > bNumFrameDescriptors 1
> > guidFormat {43564548-0000-0010-8000-00aa00389b71}
> > 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 30
> > bDescriptorType 36
> > bDescriptorSubtype 17 (FRAME_FRAME_BASED)
> > bFrameIndex 1
> > bmCapabilities 0x00
> > Still image unsupported
> > wWidth 1440
> > wHeight 1920
> > dwMinBitRate 10000000
> > dwMaxBitRate 10000000
> > dwDefaultFrameInterval 333333
> > bFrameIntervalType 1
> > dwBytesPerLine 0
> > dwFrameInterval( 0) 333333
> > 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 0x83 EP 3 IN
> > bmAttributes 2
> > Transfer Type Bulk
> > Synch Type None
> > Usage Type Data
> > wMaxPacketSize 0x0200 1x 512 bytes
> > bInterval 0
> > Device Qualifier (for other device speed):
> > bLength 10
> > bDescriptorType 6
> > bcdUSB 2.00
> > bDeviceClass 239 Miscellaneous Device
> > bDeviceSubClass 2
> > bDeviceProtocol 1 Interface Association
> > bMaxPacketSize0 64
> > bNumConfigurations 1
> > Device Status: 0x0000
> > (Bus Powered)
> >
> > >
> > > Is there anything else needed to get HEVC capture working, such as
> > > extension unit controls, or is this patch enough ? What userspace
> > > software do you use to capture and decode HEVC (or capture it to disk) ?
> > No other changes to Linux nor extra actions needed to start HEVC capture.
> > We use patched version of FFmpeg to capture, decode and display HEVC
> > stream from camera device. That simple patch also going to be sent to
> > FFmpeg upstream.
> Patch for FFmpeg sent to https://patchwork.ffmpeg.org/project/ffmpeg/list/?series=1760
> >
> > >
> > > > Signed-off-by: Dmitry Buzdyk <dima.buzdyk@...il.com>
> > > > ---
> > > > drivers/media/usb/uvc/uvc_driver.c | 5 +++++
> > > > drivers/media/usb/uvc/uvcvideo.h | 4 ++++
> > > > 2 files changed, 9 insertions(+)
> > > >
> > > > diff --git a/drivers/media/usb/uvc/uvc_driver.c b/drivers/media/usb/uvc/uvc_driver.c
> > > > index 431d86e1c94b..825ee3601661 100644
> > > > --- a/drivers/media/usb/uvc/uvc_driver.c
> > > > +++ b/drivers/media/usb/uvc/uvc_driver.c
> > > > @@ -214,6 +214,11 @@ static struct uvc_format_desc uvc_fmts[] = {
> > > > .guid = UVC_GUID_FORMAT_CNF4,
> > > > .fcc = V4L2_PIX_FMT_CNF4,
> > > > },
> > > > + {
> > > > + .name = "HEVC",
> > > > + .guid = UVC_GUID_FORMAT_HEVC,
> > > > + .fcc = V4L2_PIX_FMT_HEVC,
> > > > + },
> > > > };
> > > >
> > > > /* ------------------------------------------------------------------------
> > > > diff --git a/drivers/media/usb/uvc/uvcvideo.h b/drivers/media/usb/uvc/uvcvideo.h
> > > > index 6ab972c643e3..c7f043121b41 100644
> > > > --- a/drivers/media/usb/uvc/uvcvideo.h
> > > > +++ b/drivers/media/usb/uvc/uvcvideo.h
> > > > @@ -165,6 +165,10 @@
> > > > {0x32, 0x00, 0x00, 0x00, 0x02, 0x00, 0x10, 0x00, \
> > > > 0x80, 0x00, 0x00, 0xaa, 0x00, 0x38, 0x9b, 0x71}
> > > >
> > > > +#define UVC_GUID_FORMAT_HEVC \
> > > > + { 'H', 'E', 'V', 'C', 0x00, 0x00, 0x10, 0x00, \
> > > > + 0x80, 0x00, 0x00, 0xaa, 0x00, 0x38, 0x9b, 0x71}
> > > > +
> > > >
> > > > /* ------------------------------------------------------------------------
> > > > * Driver specific constants.
> > >
> > > --
> > > Regards,
> > >
> > > Laurent Pinchart
> > --
> > Dmitry Buzdyk
> > Rhonda Software
> Best Regards,
> Dmitry Buzdyk
--
Dmitry Buzdyk
Rhonda Software
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