Sample Code
Windows Driver Samples/ USBView sample application/ C++/ uvcdesc.h/
//+------------------------------------------------------------------------- // // Microsoft Windows // // Copyright (C) Microsoft Corporation, 1999 - 2008 // // File: uvcdesc.h // // This header is from the UVC 1.1 USBVideo driver // //-------------------------------------------------------------------------- #ifndef ___UVCDESC_H___ #define ___UVCDESC_H___ // USB Video Device Class Code #define USB_DEVICE_CLASS_VIDEO 0x0E // Video sub-classes #define SUBCLASS_UNDEFINED 0x00 #define VIDEO_SUBCLASS_CONTROL 0x01 #define VIDEO_SUBCLASS_STREAMING 0x02 // Video Class-Specific Descriptor Types #define CS_UNDEFINED 0x20 #define CS_DEVICE 0x21 #define CS_CONFIGURATION 0x22 #define CS_STRING 0x23 #define CS_INTERFACE 0x24 #define CS_ENDPOINT 0x25 // Video Class-Specific VC Interface Descriptor Subtypes #define VC_HEADER 0x01 #define INPUT_TERMINAL 0x02 #define OUTPUT_TERMINAL 0x03 #define SELECTOR_UNIT 0x04 #define PROCESSING_UNIT 0x05 #define EXTENSION_UNIT 0x06 #define MAX_TYPE_UNIT 0x07 // Video Class-Specific VS Interface Descriptor Subtypes #define VS_DESCRIPTOR_UNDEFINED 0x00 #define VS_INPUT_HEADER 0x01 #define VS_OUTPUT_HEADER 0x02 #define VS_STILL_IMAGE_FRAME 0x03 #define VS_FORMAT_UNCOMPRESSED 0x04 #define VS_FRAME_UNCOMPRESSED 0x05 #define VS_FORMAT_MJPEG 0x06 #define VS_FRAME_MJPEG 0x07 #define VS_FORMAT_MPEG1 0x08 #define VS_FORMAT_MPEG2PS 0x09 #define VS_FORMAT_MPEG2TS 0x0A #define VS_FORMAT_MPEG4SL 0x0B #define VS_FORMAT_DV 0x0C #define VS_COLORFORMAT 0x0D #define VS_FORMAT_VENDOR 0x0E #define VS_FRAME_VENDOR 0x0F // Video Class-Specific Endpoint Descriptor Subtypes #define EP_UNDEFINED 0x00 #define EP_GENERAL 0x01 #define EP_ENDPOINT 0x02 #define EP_INTERRUPT 0x03 // Video Class-Specific Terminal Types #define TERMINAL_TYPE_VENDOR_SPECIFIC 0x0100 #define TERMINAL_TYPE_USB_STREAMING 0x0101 #define TERMINAL_TYPE_INPUT_MASK 0x0200 #define TERMINAL_TYPE_INPUT_VENDOR_SPECIFIC 0x0200 #define TERMINAL_TYPE_INPUT_CAMERA 0x0201 #define TERMINAL_TYPE_INPUT_MEDIA_TRANSPORT 0x0202 #define TERMINAL_TYPE_OUTPUT_MASK 0x0300 #define TERMINAL_TYPE_OUTPUT_VENDOR_SPECIFIC 0x0300 #define TERMINAL_TYPE_OUTPUT_DISPLAY 0x0301 #define TERMINAL_TYPE_OUTPUT_MEDIA_TRANSPORT 0x0302 #define TERMINAL_TYPE_EXTERNAL_VENDOR_SPECIFIC 0x0400 #define TERMINAL_TYPE_EXTERNAL_UNDEFINED 0x0400 #define TERMINAL_TYPE_EXTERNAL_COMPOSITE 0x0401 #define TERMINAL_TYPE_EXTERNAL_SVIDEO 0x0402 #define TERMINAL_TYPE_EXTERNAL_COMPONENT 0x0403 // Controls for error checking only #define DEV_SPECIFIC_CONTROL 0x1001 // Map KSNODE_TYPE GUIDs to Indexes #define NODE_TYPE_NONE 0 #define NODE_TYPE_STREAMING 1 #define NODE_TYPE_INPUT_TERMINAL 2 #define NODE_TYPE_OUTPUT_TERMINAL 3 #define NODE_TYPE_SELECTOR 4 #define NODE_TYPE_PROCESSING 5 #define NODE_TYPE_CAMERA_TERMINAL 6 #define NODE_TYPE_INPUT_MTT 7 #define NODE_TYPE_OUTPUT_MTT 8 #define NODE_TYPE_DEV_SPEC 9 #define NODE_TYPE_MAX 9 // USB bmRequestType values #define USBVIDEO_INTERFACE_SET 0x21 #define USBVIDEO_ENDPOINT_SET 0x22 #define USBVIDEO_INTERFACE_GET 0xA1 #define USBVIDEO_ENDPOINT_GET 0xA2 // Video Class-specific specific requests #define CLASS_SPECIFIC_GET_MASK 0x80 #define RC_UNDEFINED 0x00 #define SET_CUR 0x01 #define GET_CUR 0x81 #define GET_MIN 0x82 #define GET_MAX 0x83 #define GET_RES 0x84 #define GET_LEN 0x85 #define GET_INFO 0x86 #define GET_DEF 0x87 // Power Mode Control constants #define POWER_MODE_CONTROL_FULL 0x0 #define POWER_MODE_CONTROL_DEV_DEPENDENT 0x1 // Video Class-specific Processing Unit Controls #define PU_CONTROL_UNDEFINED 0x00 #define PU_BACKLIGHT_COMPENSATION_CONTROL 0x01 #define PU_BRIGHTNESS_CONTROL 0x02 #define PU_CONTRAST_CONTROL 0x03 #define PU_GAIN_CONTROL 0x04 #define PU_POWER_LINE_FREQUENCY_CONTROL 0x05 #define PU_HUE_CONTROL 0x06 #define PU_SATURATION_CONTROL 0x07 #define PU_SHARPNESS_CONTROL 0x08 #define PU_GAMMA_CONTROL 0x09 #define PU_WHITE_BALANCE_TEMPERATURE_CONTROL 0x0A #define PU_WHITE_BALANCE_TEMPERATURE_AUTO_CONTROL 0x0B #define PU_WHITE_BALANCE_COMPONENT_CONTROL 0x0C #define PU_WHITE_BALANCE_COMPONENT_AUTO_CONTROL 0x0D #define PU_DIGITAL_MULTIPLIER_CONTROL 0x0E #define PU_DIGITAL_MULTIPLIER_LIMIT_CONTROL 0x0F #define PU_HUE_AUTO_CONTROL 0x10 #define PU_ANALOG_VIDEO_STANDARD_CONTROL 0x11 #define PU_ANALOG_LOCK_STATUS_CONTROL 0x12 // Video Class-specific Camera Terminal Controls #define CT_CONTROL_UNDEFINED 0x00 #define CT_SCANNING_MODE_CONTROL 0x01 #define CT_AE_MODE_CONTROL 0x02 #define CT_AE_PRIORITY_CONTROL 0x03 #define CT_EXPOSURE_TIME_ABSOLUTE_CONTROL 0x04 #define CT_EXPOSURE_TIME_RELATIVE_CONTROL 0x05 #define CT_FOCUS_ABSOLUTE_CONTROL 0x06 #define CT_FOCUS_RELATIVE_CONTROL 0x07 #define CT_FOCUS_AUTO_CONTROL 0x08 #define CT_IRIS_ABSOLUTE_CONTROL 0x09 #define CT_IRIS_RELATIVE_CONTROL 0x0A #define CT_ZOOM_ABSOLUTE_CONTROL 0x0B #define CT_ZOOM_RELATIVE_CONTROL 0x0C #define CT_PANTILT_ABSOLUTE_CONTROL 0x0D #define CT_PANTILT_RELATIVE_CONTROL 0x0E #define CT_ROLL_ABSOLUTE_CONTROL 0x0F #define CT_ROLL_RELATIVE_CONTROL 0x10 #define CT_PRIVACY_CONTROL 0x11 #define CT_RELATIVE_INCREASE 0x01 #define CT_RELATIVE_DECREASE 0xff #define CT_RELATIVE_STOP 0x00 // Selector Unit Control Selector #define SU_INPUT_SELECT_CONTROL 0x01 // Media Tape Transport Control Selector #define MTT_CONTROL_UNDEFINED 0x00 #define MTT_TRANSPORT_CONTROL 0x01 #define MTT_ATN_INFORMATION_CONTROL 0x02 #define MTT_MEDIA_INFORMATION_CONTROL 0x03 #define MTT_TIME_CODE_INFORMATION_CONTROL 0x04 // Media Transport Terminal States #define MTT_STATE_PLAY_NEXT_FRAME 0x00 #define MTT_STATE_PLAY_FWD_SLOWEST 0x01 #define MTT_STATE_PLAY_SLOW_FWD_4 0x02 #define MTT_STATE_PLAY_SLOW_FWD_3 0x03 #define MTT_STATE_PLAY_SLOW_FWD_2 0x04 #define MTT_STATE_PLAY_SLOW_FWD_1 0x05 #define MTT_STATE_PLAY_X1 0x06 #define MTT_STATE_PLAY_FAST_FWD_1 0x07 #define MTT_STATE_PLAY_FAST_FWD_2 0x08 #define MTT_STATE_PLAY_FAST_FWD_3 0x09 #define MTT_STATE_PLAY_FAST_FWD_4 0x0A #define MTT_STATE_PLAY_FASTEST_FWD 0x0B #define MTT_STATE_PLAY_PREV_FRAME 0x0C #define MTT_STATE_PLAY_SLOWEST_REV 0x0D #define MTT_STATE_PLAY_SLOW_REV_4 0x0E #define MTT_STATE_PLAY_SLOW_REV_3 0x0F #define MTT_STATE_PLAY_SLOW_REV_2 0x10 #define MTT_STATE_PLAY_SLOW_REV_1 0x11 #define MTT_STATE_PLAY_REV 0x12 #define MTT_STATE_PLAY_FAST_REV_1 0x13 #define MTT_STATE_PLAY_FAST_REV_2 0x14 #define MTT_STATE_PLAY_FAST_REV_3 0x15 #define MTT_STATE_PLAY_FAST_REV_4 0x16 #define MTT_STATE_PLAY_FASTEST_REV 0x17 #define MTT_STATE_PLAY 0x18 #define MTT_STATE_PAUSE 0x19 #define MTT_STATE_PLAY_REVERSE_PAUSE 0x1A #define MTT_STATE_STOP 0x40 #define MTT_STATE_FAST_FORWARD 0x41 #define MTT_STATE_REWIND 0x42 #define MTT_STATE_HIGH_SPEED_REWIND 0x43 #define MTT_STATE_RECORD_START 0x50 #define MTT_STATE_RECORD_PAUSE 0x51 #define MTT_STATE_EJECT 0x60 #define MTT_STATE_PLAY_SLOW_FWD_X 0x70 #define MTT_STATE_PLAY_FAST_FWD_X 0x71 #define MTT_STATE_PLAY_SLOW_REV_X 0x72 #define MTT_STATE_PLAY_FAST_REV_X 0x73 #define MTT_STATE_STOP_START 0x74 #define MTT_STATE_STOP_END 0x75 #define MTT_STATE_STOP_EMERGENCY 0x76 #define MTT_STATE_STOP_CONDENSATION 0x77 #define MTT_STATE_UNSPECIFIED 0x7F // Video Control Interface Control Selectors #define VC_UNDEFINED_CONTROL 0x00 #define VC_VIDEO_POWER_MODE_CONTROL 0x01 #define VC_REQUEST_ERROR_CODE_CONTROL 0x02 // VideoStreaming Interface Control Selectors #define VS_CONTROL_UNDEFINED 0x00 #define VS_PROBE_CONTROL 0x01 #define VS_COMMIT_CONTROL 0x02 #define VS_STILL_PROBE_CONTROL 0x03 #define VS_STILL_COMMIT_CONTROL 0x04 #define VS_STILL_IMAGE_TRIGGER_CONTROL 0x05 #define VS_STREAM_ERROR_CODE_CONTROL 0x06 #define VS_GENERATE_KEY_FRAME_CONTROL 0x07 #define VS_UPDATE_FRAME_SEGMENT_CONTROL 0x08 #define VS_SYNC_DELAY_CONTROL 0x09 // Probe commit bitmap framing info #define VS_PROBE_COMMIT_BIT_FID 0x01 #define VS_PROBE_COMMIT_BIT_EOF 0x02 // Stream payload header Bit Field Header bits #define BFH_FID 0x01 // Frame ID bit #define BFH_EOF 0x02 // End of Frame bit #define BFH_PTS 0x04 // Presentation Time Stamp bit #define BFH_SCR 0x08 // Source Clock Reference bit #define BFH_RES 0x10 // Reserved bit #define BFH_STI 0x20 // Still image bit #define BFH_ERR 0x40 // Error bit #define BFH_EOH 0x80 // End of header bit #define HDR_LENGTH 1 // Length of header length field in bytes #define BFH_LENGTH 1 // Length of BFH field in bytes #define PTS_LENGTH 4 // Length of PTS field in bytes #define SCR_LENGTH 6 // Length of SCR field in bytes // USB Video Status Codes (Request Error Code Control) #define USBVIDEO_RE_STATUS_NOERROR 0x00 #define USBVIDEO_RE_STATUS_NOT_READY 0x01 #define USBVIDEO_RE_STATUS_WRONG_STATE 0x02 #define USBVIDEO_RE_STATUS_POWER 0x03 #define USBVIDEO_RE_STATUS_OUT_OF_RANGE 0x04 #define USBVIDEO_RE_STATUS_INVALID_UNIT 0x05 #define USBVIDEO_RE_STATUS_INVALID_CONTROL 0x06 #define USBVIDEO_RE_STATUS_UNKNOWN 0x07 // USB Video Device Status Codes (Stream Error Code Control) #define USBVIDEO_SE_STATUS_NOERROR 0x00 #define USBVIDEO_SE_STATUS_PROTECTED_CONTENT 0x01 #define USBVIDEO_SE_STATUS_INPUT_BUFFER_UNDERRUN 0x02 #define USBVIDEO_SE_STATUS_DATA_DICONTINUITY 0x03 #define USBVIDEO_SE_STATUS_OUTPUT_BUFFER_UNDERRUN 0x04 #define USBVIDEO_SE_STATUS_OUTPUT_BUFFER_OVERRUN 0x05 #define USBVIDEO_SE_STATUS_FORMAT_CHANGE 0x06 #define USBVIDEO_SE_STATUS_STILL_IMAGE_ERROR 0x07 #define USBVIDEO_SE_STATUS_UNKNOWN 0x08 // Status Interrupt Types #define STATUS_INTERRUPT_VC 1 #define STATUS_INTERRUPT_VS 2 // Status Interrupt Attributes #define STATUS_INTERRUPT_ATTRIBUTE_VALUE 0x00 #define STATUS_INTERRUPT_ATTRIBUTE_INFO 0x01 #define STATUS_INTERRUPT_ATTRIBUTE_FAILURE 0x02 // VideoStreaming interface interrupt types #define VS_INTERRUPT_EVENT_BUTTON_PRESS 0x00 #define VS_INTERRUPT_VALUE_BUTTON_RELEASE 0x00 #define VS_INTERRUPT_VALUE_BUTTON_PRESS 0x01 // Get Info Values #define USBVIDEO_ASYNC_CONTROL 0x10 #define USBVIDEO_SETTABLE_CONTROL 0x2 #define MAX_INTERRUPT_PACKET_VALUE_SIZE 8 // Frame descriptor frame interval array offsets #define MIN_FRAME_INTERVAL_OFFSET 0 #define MAX_FRAME_INTERVAL_OFFSET 1 #define FRAME_INTERVAL_STEP_OFFSET 2 // Still image capture methods #define STILL_CAPTURE_METHOD_NONE 0 #define STILL_CAPTURE_METHOD_1 1 #define STILL_CAPTURE_METHOD_2 2 #define STILL_CAPTURE_METHOD_3 3 // Still image trigger control states #define STILL_IMAGE_TRIGGER_NORMAL 0 #define STILL_IMAGE_TRIGGER_TRANSMIT 1 #define STILL_IMAGE_TRIGGER_TRANSMIT_BULK 2 #define STILL_IMAGE_TRIGGER_TRANSMIT_ABORT 3 // Endpoint descriptor masks #define EP_DESCRIPTOR_TRANSACTION_SIZE_MASK 0x07ff #define EP_DESCRIPTOR_NUM_TRANSACTION_MASK 0x1800 #define EP_DESCRIPTOR_NUM_TRANSACTION_OFFSET 11 // Copy protection flag defined in the Uncompressed Payload Spec #define USB_VIDEO_UNCOMPRESSED_RESTRICT_DUPLICATION 1 // Interlace flags #define INTERLACE_FLAGS_SUPPORTED_MASK 0x01 #define INTERLACE_FLAGS_FIELDS_PER_FRAME_MASK 0x02 #define INTERLACE_FLAGS_FIELDS_PER_FRAME_2 0x00 #define INTERLACE_FLAGS_FIELDS_PER_FRAME_1 0x02 #define INTERLACE_FLAGS_FIELD_1_FIRST_MASK 0x04 #define INTERLACE_FLAGS_FIELD_PATTERN_MASK 0x30 #define INTERLACE_FLAGS_FIELD_PATTERN_FIELD1 0x00 #define INTERLACE_FLAGS_FIELD_PATTERN_FIELD2 0x10 #define INTERLACE_FLAGS_FIELD_PATTERN_REGULAR 0x20 #define INTERLACE_FLAGS_FIELD_PATTERN_RANDOM 0x30 #define INTERLACE_FLAGS_DISPLAY_MODE_MASK 0xC0 #define INTERLACE_FLAGS_DISPLAY_MODE_BOB 0x00 #define INTERLACE_FLAGS_DISPLAY_MODE_WEAVE 0x40 #define INTERLACE_FLAGS_DISPLAY_MODE_BOB_WEAVE 0x80 // Color Matching Flags #define UVC_PRIMARIES_UNKNOWN 0x0 #define UVC_PRIMARIES_BT709 0x1 #define UVC_PRIMARIES_BT470_2M 0x2 #define UVC_PRIMARIES_BT470_2BG 0x3 #define UVC_PRIMARIES_SMPTE_170M 0x4 #define UVC_PRIMARIES_SMPTE_240M 0x5 #define UVC_GAMMA_UNKNOWN 0x0 #define UVC_GAMMA_BT709 0x1 #define UVC_GAMMA_BT470_2M 0x2 #define UVC_GAMMA_BT470_2BG 0x3 #define UVC_GAMMA_SMPTE_170M 0x4 #define UVC_GAMMA_SMPTE_240M 0x5 #define UVC_GAMMA_LINEAR 0x6 #define UVC_GAMMA_sRGB 0x7 #define UVC_TRANSFER_MATRIX_UNKNOWN 0x0 #define UVC_TRANSFER_MATRIX_BT709 0x1 #define UVC_TRANSFER_MATRIX_FCC 0x2 #define UVC_TRANSFER_MATRIX_BT470_2BG 0x3 #define UVC_TRANSFER_MATRIX_BT601 0x4 #define UVC_TRANSFER_MATRIX_SMPTE_240M 0x5 // // BEGIN - VDC Descriptor and Control Structures // #pragma warning( disable : 4200 ) // Allow zero-sized arrays at end of structs #pragma pack( push, vdc_descriptor_structs, 1) // Video Specific Descriptor typedef struct { UCHAR bLength; // Size of this descriptor in bytes UCHAR bDescriptorType; // CS_INTERFACE descriptor type UCHAR bDescriptorSubtype; // descriptor subtype } VIDEO_SPECIFIC, *PVIDEO_SPECIFIC; #define SIZEOF_VIDEO_SPECIFIC(pDesc) sizeof(VIDEO_SPECIFIC) // Video Unit Descriptor typedef struct { UCHAR bLength; // Size of this descriptor in bytes UCHAR bDescriptorType; // CS_INTERFACE descriptor type UCHAR bDescriptorSubtype; // descriptor subtype UCHAR bUnitID; // Constant uniquely identifying the Unit } VIDEO_UNIT, *PVIDEO_UNIT; #define SIZEOF_VIDEO_UNIT(pDesc) sizeof(VIDEO_UNIT) // VideoControl Header Descriptor typedef struct { UCHAR bLength; // Size of this descriptor in bytes UCHAR bDescriptorType; // CS_INTERFACE descriptor type UCHAR bDescriptorSubtype; // VC_HEADER descriptor subtype USHORT bcdVideoSpec; // USB video class spec revision number USHORT wTotalLength; // Total length, including all units and terminals ULONG dwClockFreq; // Device clock frequency in Hz UCHAR bInCollection; // number of video streaming interfaces UCHAR baInterfaceNr[]; // interface number array } VIDEO_CONTROL_HEADER_UNIT, *PVIDEO_CONTROL_HEADER_UNIT; #define SIZEOF_VIDEO_CONTROL_HEADER_UNIT(pDesc) \ ((sizeof(VIDEO_CONTROL_HEADER_UNIT) + (pDesc)->bInCollection)) // VideoControl Input Terminal Descriptor typedef struct { UCHAR bLength; // Size of this descriptor in bytes UCHAR bDescriptorType; // CS_INTERFACE descriptor type UCHAR bDescriptorSubtype; // INPUT_TERMINAL descriptor subtype UCHAR bTerminalID; // Constant uniquely identifying the Terminal USHORT wTerminalType; // Constant characterizing the terminal type UCHAR bAssocTerminal; // ID of associated output terminal UCHAR iTerminal; // Index of string descriptor } VIDEO_INPUT_TERMINAL, *PVIDEO_INPUT_TERMINAL; #define SIZEOF_VIDEO_INPUT_TERMINAL(pDesc) sizeof(VIDEO_INPUT_TERMINAL) // VideoControl Output Terminal Descriptor typedef struct { UCHAR bLength; // Size of this descriptor in bytes UCHAR bDescriptorType; // CS_INTERFACE descriptor type UCHAR bDescriptorSubtype; // OUTPUT_TERMINAL descriptor subtype UCHAR bTerminalID; // Constant uniquely identifying the Terminal USHORT wTerminalType; // Constant characterizing the terminal type UCHAR bAssocTerminal; // ID of associated input terminal UCHAR bSourceID; // ID of source unit/terminal UCHAR iTerminal; // Index of string descriptor } VIDEO_OUTPUT_TERMINAL, *PVIDEO_OUTPUT_TERMINAL; #define SIZEOF_VIDEO_OUTPUT_TERMINAL(pDesc) sizeof(VIDEO_OUTPUT_TERMINAL) // VideoControl Camera Terminal Descriptor typedef struct { UCHAR bLength; // Size of this descriptor in bytes UCHAR bDescriptorType; // CS_INTERFACE descriptor type UCHAR bDescriptorSubtype; // INPUT_TERMINAL descriptor subtype UCHAR bTerminalID; // Constant uniquely identifying the Terminal USHORT wTerminalType; // Sensor type UCHAR bAssocTerminal; // ID of associated output terminal UCHAR iTerminal; // Index of string descriptor USHORT wObjectiveFocalLengthMin; // Min focal length for zoom USHORT wObjectiveFocalLengthMax; // Max focal length for zoom USHORT wOcularFocalLength; // Ocular focal length for zoom UCHAR bControlSize; // Size of bmControls field UCHAR bmControls[]; // Bitmap of controls supported } VIDEO_CAMERA_TERMINAL, *PVIDEO_CAMERA_TERMINAL; #define SIZEOF_VIDEO_CAMERA_TERMINAL(pDesc) \ (sizeof(VIDEO_CAMERA_TERMINAL) + (pDesc)->bControlSize) // Media Transport Input Terminal Descriptor typedef struct { UCHAR bLength; // Size of this descriptor in bytes UCHAR bDescriptorType; // CS_INTERFACE descriptor type UCHAR bDescriptorSubtype; // INPUT_TERMINAL descriptor subtype UCHAR bTerminalID; // Constant uniquely identifying the Terminal USHORT wTerminalType; // Media Transport type UCHAR bAssocTerminal; // ID of associated output terminal UCHAR iTerminal; // Index of string descriptor UCHAR bControlSize; // Size of bmControls field UCHAR bmControls[]; // Bitmap of controls supported } VIDEO_INPUT_MTT, *PVIDEO_INPUT_MTT; __inline size_t SizeOfVideoInputMTT(_In_ PVIDEO_INPUT_MTT pDesc) { UCHAR bTransportModeSize; PUCHAR pbCurr; pbCurr = pDesc->bmControls + pDesc->bControlSize; bTransportModeSize = *pbCurr; return sizeof(VIDEO_INPUT_MTT) + pDesc->bControlSize + 1 + bTransportModeSize; } #define SIZEOF_VIDEO_INPUT_MTT(pDesc) SizeOfVideoInputMTT(pDesc) // Media Transport Output Terminal Descriptor typedef struct { UCHAR bLength; // Size of this descriptor in bytes UCHAR bDescriptorType; // CS_INTERFACE descriptor type UCHAR bDescriptorSubtype; // OUTPUT_TERMINAL descriptor subtype UCHAR bTerminalID; // Constant uniquely identifying the Terminal USHORT wTerminalType; // Media Transport type UCHAR bAssocTerminal; // ID of associated output terminal UCHAR bSourceID; // ID of source unit/terminal UCHAR iTerminal; // Index of string descriptor UCHAR bControlSize; // Size of bmControls field UCHAR bmControls[]; // Bitmap of controls supported } VIDEO_OUTPUT_MTT, *PVIDEO_OUTPUT_MTT; __inline size_t SizeOfVideoOutputMTT(_In_ PVIDEO_OUTPUT_MTT pDesc) { UCHAR bTransportModeSize; PUCHAR pbCurr; pbCurr = pDesc->bmControls + pDesc->bControlSize; bTransportModeSize = *pbCurr; return sizeof(VIDEO_OUTPUT_MTT) + pDesc->bControlSize + 1+ bTransportModeSize; } #define SIZEOF_VIDEO_OUTPUT_MTT(pDesc) SizeOfVideoOutputMTT(pDesc) // VideoControl Selector Unit Descriptor typedef struct { UCHAR bLength; // Size of this descriptor in bytes UCHAR bDescriptorType; // CS_INTERFACE descriptor type UCHAR bDescriptorSubtype; // SELECTOR_UNIT descriptor subtype UCHAR bUnitID; // Constant uniquely identifying the Unit UCHAR bNrInPins; // Number of input pins UCHAR baSourceID[]; // IDs of connected units/terminals } VIDEO_SELECTOR_UNIT, *PVIDEO_SELECTOR_UNIT; #define SIZEOF_VIDEO_SELECTOR_UNIT(pDesc) \ (sizeof(VIDEO_SELECTOR_UNIT) + (pDesc)->bNrInPins + 1) // VideoControl Processing Unit Descriptor typedef struct { UCHAR bLength; // Size of this descriptor in bytes UCHAR bDescriptorType; // CS_INTERFACE descriptor type UCHAR bDescriptorSubtype; // PROCESSING_UNIT descriptor subtype UCHAR bUnitID; // Constant uniquely identifying the Unit UCHAR bSourceID; // ID of connected unit/terminal USHORT wMaxMultiplier; // Maximum digital magnification UCHAR bControlSize; // Size of bmControls field UCHAR bmControls[]; // Bitmap of controls supported } VIDEO_PROCESSING_UNIT, *PVIDEO_PROCESSING_UNIT; #define SIZEOF_VIDEO_PROCESSING_UNIT(pDesc) \ (sizeof(VIDEO_PROCESSING_UNIT) + 1 + (pDesc)->bControlSize) // VideoControl Extension Unit Descriptor typedef struct { UCHAR bLength; // Size of this descriptor in bytes UCHAR bDescriptorType; // CS_INTERFACE descriptor type UCHAR bDescriptorSubtype; // EXTENSION_UNIT descriptor subtype UCHAR bUnitID; // Constant uniquely identifying the Unit GUID guidExtensionCode; // Vendor-specific code identifying extension unit UCHAR bNumControls; // Number of controls in Extension Unit UCHAR bNrInPins; // Number of input pins UCHAR baSourceID[]; // IDs of connected units/terminals } VIDEO_EXTENSION_UNIT, *PVIDEO_EXTENSION_UNIT; // this is followed by bControlSize, bmControls and iExtension (1 byte) __inline size_t SizeOfVideoExtensionUnit(PVIDEO_EXTENSION_UNIT pDesc) { UCHAR bControlSize; PUCHAR pbCurr; // baSourceID is an array, and hence understood to be an address pbCurr = pDesc->baSourceID + pDesc->bNrInPins; if (((ULONG_PTR) pbCurr < (ULONG_PTR) pDesc->baSourceID) || (ULONG_PTR) pbCurr >= (ULONG_PTR)((UCHAR *) pDesc + pDesc->bLength)) return 0; bControlSize = *pbCurr; return 24 + pDesc->bNrInPins + bControlSize; } #define SIZEOF_VIDEO_EXTENSION_UNIT(pDesc) SizeOfVideoExtensionUnit(pDesc) // Class-specific Interrupt Endpoint Descriptor typedef struct { UCHAR bLength; // Size of this descriptor in bytes UCHAR bDescriptorType; // CS_ENDPOINT descriptor type UCHAR bDescriptorSubtype; // EP_INTERRUPT descriptor subtype USHORT wMaxTransferSize; // Max interrupt payload size } VIDEO_CS_INTERRUPT, *PVIDEO_CS_INTERRUPT; #define SIZEOF_VIDEO_CS_INTERRUPT(pDesc) sizeof(VIDEO_CS_INTERRUPT) // VideoStreaming Input Header Descriptor typedef struct _VIDEO_STREAMING_INPUT_HEADER { UCHAR bLength; // Size of this descriptor in bytes UCHAR bDescriptorType; // CS_INTERFACE descriptor type UCHAR bDescriptorSubtype; // VS_INPUT_HEADER descriptor subtype UCHAR bNumFormats; USHORT wTotalLength; UCHAR bEndpointAddress; UCHAR bmInfo; UCHAR bTerminalLink; UCHAR bStillCaptureMethod; UCHAR bTriggerSupport; UCHAR bTriggerUsage; UCHAR bControlSize; UCHAR bmaControls[]; } VIDEO_STREAMING_INPUT_HEADER, *PVIDEO_STREAMING_INPUT_HEADER; #define SIZEOF_VIDEO_STREAMING_INPUT_HEADER(pDesc) \ (sizeof(VIDEO_STREAMING_INPUT_HEADER) + (pDesc->bNumFormats * pDesc->bControlSize)) // VideoStreaming Output Header Descriptor typedef struct _VIDEO_STREAMING_OUTPUT_HEADER { UCHAR bLength; UCHAR bDescriptorType; UCHAR bDescriptorSubtype; UCHAR bNumFormats; USHORT wTotalLength; UCHAR bEndpointAddress; UCHAR bTerminalLink; } VIDEO_STREAMING_OUTPUT_HEADER, *PVIDEO_STREAMING_OUTPUT_HEADER; #define SIZEOF_VIDEO_STREAMING_OUTPUT_HEADER(pDesc) sizeof(VIDEO_STREAMING_OUTPUT_HEADER) typedef struct _VIDEO_STILL_IMAGE_RECT { USHORT wWidth; USHORT wHeight; } VIDEO_STILL_IMAGE_RECT; // VideoStreaming Still Image Frame Descriptor typedef struct _VIDEO_STILL_IMAGE_FRAME { UCHAR bLength; UCHAR bDescriptorType; UCHAR bDescriptorSubtype; UCHAR bEndpointAddress; UCHAR bNumImageSizePatterns; VIDEO_STILL_IMAGE_RECT aStillRect[]; } VIDEO_STILL_IMAGE_FRAME, *PVIDEO_STILL_IMAGE_FRAME; __inline size_t SizeOfVideoStillImageFrame(PVIDEO_STILL_IMAGE_FRAME pDesc) { UCHAR bNumCompressionPatterns; PUCHAR pbCurr; pbCurr = (PUCHAR) pDesc->aStillRect + (sizeof(VIDEO_STILL_IMAGE_RECT) * pDesc->bNumImageSizePatterns); bNumCompressionPatterns = *pbCurr; return (sizeof(VIDEO_STILL_IMAGE_FRAME) + (sizeof(VIDEO_STILL_IMAGE_RECT) * pDesc->bNumImageSizePatterns) + 1 + bNumCompressionPatterns); } #define SIZEOF_VIDEO_STILL_IMAGE_FRAME(pDesc) SizeOfVideoStillImageFrame(pDesc) // VideoStreaming Color Matching Descriptor typedef struct _VIDEO_COLORFORMAT { UCHAR bLength; UCHAR bDescriptorType; UCHAR bDescriptorSubtype; UCHAR bColorPrimaries; UCHAR bTransferCharacteristics; UCHAR bMatrixCoefficients; } VIDEO_COLORFORMAT, *PVIDEO_COLORFORMAT; #define SIZEOF_VIDEO_COLORFORMAT(pDesc) sizeof(VIDEO_COLORFORMAT) // VideoStreaming Uncompressed Format Descriptor typedef struct _VIDEO_FORMAT_UNCOMPRESSED { UCHAR bLength; UCHAR bDescriptorType; UCHAR bDescriptorSubtype; UCHAR bFormatIndex; UCHAR bNumFrameDescriptors; GUID guidFormat; UCHAR bBitsPerPixel; UCHAR bDefaultFrameIndex; UCHAR bAspectRatioX; UCHAR bAspectRatioY; UCHAR bmInterlaceFlags; UCHAR bCopyProtect; } VIDEO_FORMAT_UNCOMPRESSED, *PVIDEO_FORMAT_UNCOMPRESSED; #define SIZEOF_VIDEO_FORMAT_UNCOMPRESSED(pDesc) sizeof(VIDEO_FORMAT_UNCOMPRESSED) // VideoStreaming Uncompressed Frame Descriptor typedef struct _VIDEO_FRAME_UNCOMPRESSED { UCHAR bLength; UCHAR bDescriptorType; UCHAR bDescriptorSubtype; UCHAR bFrameIndex; UCHAR bmCapabilities; USHORT wWidth; USHORT wHeight; ULONG dwMinBitRate; ULONG dwMaxBitRate; ULONG dwMaxVideoFrameBufferSize; ULONG dwDefaultFrameInterval; UCHAR bFrameIntervalType; ULONG adwFrameInterval[]; } VIDEO_FRAME_UNCOMPRESSED, *PVIDEO_FRAME_UNCOMPRESSED; __inline size_t SizeOfVideoFrameUncompressed(_In_ PVIDEO_FRAME_UNCOMPRESSED pDesc) { if (pDesc->bFrameIntervalType == 0) { // Continuous return sizeof(VIDEO_FRAME_UNCOMPRESSED) + (3 * sizeof(ULONG)); } else { // Discrete return sizeof(VIDEO_FRAME_UNCOMPRESSED) + (pDesc->bFrameIntervalType * sizeof(ULONG)); } } #define SIZEOF_VIDEO_FRAME_UNCOMPRESSED(pDesc) SizeOfVideoFrameUncompressed(pDesc) // VideoStreaming MJPEG Format Descriptor typedef struct _VIDEO_FORMAT_MJPEG { UCHAR bLength; UCHAR bDescriptorType; UCHAR bDescriptorSubtype; UCHAR bFormatIndex; UCHAR bNumFrameDescriptors; UCHAR bmFlags; UCHAR bDefaultFrameIndex; UCHAR bAspectRatioX; UCHAR bAspectRatioY; UCHAR bmInterlaceFlags; UCHAR bCopyProtect; } VIDEO_FORMAT_MJPEG, *PVIDEO_FORMAT_MJPEG; #define SIZEOF_VIDEO_FORMAT_MJPEG(pDesc) sizeof(VIDEO_FORMAT_MJPEG) // VideoStreaming MJPEG Frame Descriptor typedef struct _VIDEO_FRAME_MJPEG { UCHAR bLength; UCHAR bDescriptorType; UCHAR bDescriptorSubtype; UCHAR bFrameIndex; UCHAR bmCapabilities; USHORT wWidth; USHORT wHeight; ULONG dwMinBitRate; ULONG dwMaxBitRate; ULONG dwMaxVideoFrameBufferSize; ULONG dwDefaultFrameInterval; UCHAR bFrameIntervalType; ULONG adwFrameInterval[]; } VIDEO_FRAME_MJPEG, *PVIDEO_FRAME_MJPEG; __inline size_t SizeOfVideoFrameMjpeg(_In_ PVIDEO_FRAME_MJPEG pDesc) { if (pDesc->bFrameIntervalType == 0) { // Continuous return sizeof(VIDEO_FRAME_MJPEG) + (3 * sizeof(ULONG)); } else { // Discrete return sizeof(VIDEO_FRAME_MJPEG) + (pDesc->bFrameIntervalType * sizeof(ULONG)); } } #define SIZEOF_VIDEO_FRAME_MJPEG(pDesc) SizeOfVideoFrameMjpeg(pDesc) // VideoStreaming Vendor Format Descriptor typedef struct _VIDEO_FORMAT_VENDOR { UCHAR bLength; UCHAR bDescriptorType; UCHAR bDescriptorSubtype; UCHAR bFormatIndex; UCHAR bNumFrameDescriptors; GUID guidMajorFormat; GUID guidSubFormat; GUID guidSpecifier; UCHAR bPayloadClass; UCHAR bDefaultFrameIndex; UCHAR bCopyProtect; } VIDEO_FORMAT_VENDOR, *PVIDEO_FORMAT_VENDOR; #define SIZEOF_VIDEO_FORMAT_VENDOR(pDesc) sizeof(VIDEO_FORMAT_VENDOR) // VideoStreaming Vendor Frame Descriptor typedef struct _VIDEO_FRAME_VENDOR { UCHAR bLength; UCHAR bDescriptorType; UCHAR bDescriptorSubtype; UCHAR bFrameIndex; UCHAR bmCapabilities; USHORT wWidth; USHORT wHeight; ULONG dwMinBitRate; ULONG dwMaxBitRate; ULONG dwMaxVideoFrameBufferSize; ULONG dwDefaultFrameInterval; UCHAR bFrameIntervalType; DWORD adwFrameInterval[]; } VIDEO_FRAME_VENDOR, *PVIDEO_FRAME_VENDOR; __inline size_t SizeOfVideoFrameVendor(_In_ PVIDEO_FRAME_VENDOR pDesc) { if (pDesc->bFrameIntervalType == 0) { // Continuous return sizeof(VIDEO_FRAME_VENDOR) + (3 * sizeof(ULONG)); } else { // Discrete return sizeof(VIDEO_FRAME_VENDOR) + (pDesc->bFrameIntervalType * sizeof(ULONG)); } } #define SIZEOF_VIDEO_FRAME_VENDOR(pDesc) SizeOfVideoFrameVendor(pDesc) // VideoStreaming DV Format Descriptor typedef struct _VIDEO_FORMAT_DV { UCHAR bLength; UCHAR bDescriptorType; UCHAR bDescriptorSubtype; UCHAR bFormatIndex; ULONG dwMaxVideoFrameBufferSize; UCHAR bFormatType; } VIDEO_FORMAT_DV, *PVIDEO_FORMAT_DV; #define SIZEOF_VIDEO_FORMAT_DV(pDesc) sizeof(VIDEO_FORMAT_DV) // VideoStreaming MPEG2-TS Format Descriptor typedef struct _VIDEO_FORMAT_MPEG2TS { UCHAR bLength; UCHAR bDescriptorType; UCHAR bDescriptorSubtype; UCHAR bFormatIndex; UCHAR bDataOffset; UCHAR bPacketLength; UCHAR bStrideLength; } VIDEO_FORMAT_MPEG2TS, *PVIDEO_FORMAT_MPEG2TS; #define SIZEOF_VIDEO_FORMAT_MPEG2TS(pDesc) sizeof(VIDEO_FORMAT_MPEG2TS) // VideoStreaming MPEG1 System Stream Format Descriptor typedef struct _VIDEO_FORMAT_MPEG1SS { UCHAR bLength; UCHAR bDescriptorType; UCHAR bDescriptorSubtype; UCHAR bFormatIndex; UCHAR bPacketLength; UCHAR bPackLength; UCHAR bPackDataType; } VIDEO_FORMAT_MPEG1SS, *PVIDEO_FORMAT_MPEG1SS; #define SIZEOF_VIDEO_FORMAT_MPEG1SS(pDesc) sizeof(VIDEO_FORMAT_MPEG1SS) // VideoStreaming MPEG2-PS Format Descriptor typedef struct _VIDEO_FORMAT_MPEG2PS { UCHAR bLength; UCHAR bDescriptorType; UCHAR bDescriptorSubtype; UCHAR bFormatIndex; UCHAR bPacketLength; UCHAR bPackLength; UCHAR bPackDataType; } VIDEO_FORMAT_MPEG2PS, *PVIDEO_FORMAT_MPEG2PS; #define SIZEOF_VIDEO_FORMAT_MPEG2PS(pDesc) sizeof(VIDEO_FORMAT_MPEG2PS) // VideoStreaming MPEG4-SL Format Descriptor typedef struct _VIDEO_FORMAT_MPEG4SL { UCHAR bLength; UCHAR bDescriptorType; UCHAR bDescriptorSubtype; UCHAR bFormatIndex; UCHAR bPacketLength; } VIDEO_FORMAT_MPEG4SL, *PVIDEO_FORMAT_MPEG4SL; #define SIZEOF_VIDEO_FORMAT_MPEG4SL(pDesc) sizeof(VIDEO_FORMAT_MPEG4SL) // VideoStreaming Probe/Commit Control typedef struct _VS_PROBE_COMMIT_CONTROL { USHORT bmHint; UCHAR bFormatIndex; UCHAR bFrameIndex; ULONG dwFrameInterval; USHORT wKeyFrameRate; USHORT wPFrameRate; USHORT wCompQuality; USHORT wCompWindowSize; USHORT wDelay; ULONG dwMaxVideoFrameSize; ULONG dwMaxPayloadTransferSize; } VS_PROBE_COMMIT_CONTROL, *PVS_PROBE_COMMIT_CONTROL; // VideoStreaming Still Probe/Commit Control typedef struct _VS_STILL_PROBE_COMMIT_CONTROL { UCHAR bFormatIndex; UCHAR bFrameIndex; UCHAR bCompressionIndex; ULONG dwMaxVideoFrameSize; ULONG dwMaxPayloadTransferSize; } VS_STILL_PROBE_COMMIT_CONTROL, *PVS_STILL_PROBE_COMMIT_CONTROL; // Status Interrupt Packet (Video Control) typedef struct _VC_INTERRUPT_PACKET { UCHAR bStatusType; UCHAR bOriginator; UCHAR bEvent; UCHAR bSelector; UCHAR bAttribute; UCHAR bValue[1]; } VC_INTERRUPT_PACKET, *PVC_INTERRUPT_PACKET; // Status Interrupt Packet (Video Control) typedef struct _VC_INTERRUPT_PACKET_EX { UCHAR bStatusType; UCHAR bOriginator; UCHAR bEvent; UCHAR bSelector; UCHAR bAttribute; UCHAR bValue[MAX_INTERRUPT_PACKET_VALUE_SIZE]; } VC_INTERRUPT_PACKET_EX, *PVC_INTERRUPT_PACKET_EX; // Status Interrupt Packet (Video Streaming) typedef struct _VS_INTERRUPT_PACKET { UCHAR bStatusType; UCHAR bOriginator; UCHAR bEvent; UCHAR bValue[1]; } VS_INTERRUPT_PACKET, *PVS_INTERRUPT_PACKET; // Status Interrupt Packet (Generic) typedef struct _VIDEO_INTERRUPT_PACKET { UCHAR bStatusType; UCHAR bOriginator; } VIDEO_INTERRUPT_PACKET, *PVIDEO_INTERRUPT_PACKET; // Relative property struct typedef struct _VIDEO_RELATIVE_PROPERTY { UCHAR bValue; UCHAR bSpeed; } VIDEO_RELATIVE_PROPERTY, *PVIDEO_RELATIVE_PROPERTY; // Relative Zoom control struct typedef struct _ZOOM_RELATIVE_PROPERTY { UCHAR bZoom; UCHAR bDigitalZoom; UCHAR bSpeed; } ZOOM_RELATIVE_PROPERTY, *PZOOM_RELATIVE_PROPERTY; // Relative pan-tilt struct typedef struct _PANTILT_RELATIVE_PROPERTY { UCHAR bPanRelative; UCHAR bPanSpeed; UCHAR bTiltRelative; UCHAR bTiltSpeed; } PANTILT_RELATIVE_PROPERTY, *PPANTILT_RELATIVE_PROPERTY; typedef struct _MEDIA_INFORMATION_CONTROL { UCHAR bmMediaType; UCHAR bmWriteProtect; } MEDIA_INFORMATION_CONTROL, *PMEDIA_INFORMATION_CONTROL; typedef struct _TIME_CODE_INFORMATION_CONTROL { UCHAR bcdFrame; UCHAR bcdSecond; UCHAR bcdMinute; UCHAR bcdHour; } TIME_CODE_INFORMATION_CONTROL, *PTIME_CODE_INFORMATION_CONTROL; typedef struct _ATN_INFORMATION_CONTROL { UCHAR bmMediaType; DWORD dwATN_Data; } ATN_INFORMATION_CONTROL, *PATN_INFORMATION_CONTROL; #define VS_FORMAT_FRAME_BASED 0x10 #define VS_FRAME_FRAME_BASED 0x11 #define VS_FORMAT_STREAM_BASED 0x12 // Format Descriptor for UVC 1.1 frame based format typedef struct _VIDEO_FORMAT_FRAME { UCHAR bLength; UCHAR bDescriptorType; UCHAR bDescriptorSubtype; UCHAR bFormatIndex; UCHAR bNumFrameDescriptors; GUID guidFormat; UCHAR bBitsPerPixel; UCHAR bDefaultFrameIndex; UCHAR bAspectRatioX; UCHAR bAspectRatioY; UCHAR bmInterlaceFlags; UCHAR bCopyProtect; UCHAR bVariableSize; } VIDEO_FORMAT_FRAME, *PVIDEO_FORMAT_FRAME; #define SIZEOF_VIDEO_FORMAT_FRAME(pDesc) sizeof(VIDEO_FORMAT_FRAME) // Frame Descriptor for UVC 1.1 frame based format typedef struct _VIDEO_FRAME_FRAME { UCHAR bLength; UCHAR bDescriptorType; UCHAR bDescriptorSubtype; UCHAR bFrameIndex; UCHAR bmCapabilities; USHORT wWidth; USHORT wHeight; ULONG dwMinBitRate; ULONG dwMaxBitRate; ULONG dwDefaultFrameInterval; UCHAR bFrameIntervalType; ULONG dwBytesPerLine; ULONG adwFrameInterval[]; } VIDEO_FRAME_FRAME, *PVIDEO_FRAME_FRAME; __inline size_t SizeOfVideoFrameFrame(_In_ PVIDEO_FRAME_FRAME pDesc) { if (pDesc->bFrameIntervalType == 0) { // Continuous return sizeof(VIDEO_FRAME_FRAME) + (3 * sizeof(ULONG)); } else { // Discrete return sizeof(VIDEO_FRAME_FRAME) + (pDesc->bFrameIntervalType * sizeof(ULONG)); } } #define SIZEOF_VIDEO_FRAME_FRAME(pDesc) SizeOfVideoFrameFrame(pDesc) // VideoStreaming Stream Based Format Descriptor typedef struct _VIDEO_FORMAT_STREAM { UCHAR bLength; UCHAR bDescriptorType; UCHAR bDescriptorSubtype; UCHAR bFormatIndex; GUID guidFormat; ULONG dwPacketLength; } VIDEO_FORMAT_STREAM, *PVIDEO_FORMAT_STREAM; #define SIZEOF_VIDEO_FORMAT_STREAM(pDesc) sizeof(VIDEO_FORMAT_STREAM) // VideoStreaming Probe/Commit Control typedef struct _VS_PROBE_COMMIT_CONTROL2 { USHORT bmHint; UCHAR bFormatIndex; UCHAR bFrameIndex; ULONG dwFrameInterval; USHORT wKeyFrameRate; USHORT wPFrameRate; USHORT wCompQuality; USHORT wCompWindowSize; USHORT wDelay; ULONG dwMaxVideoFrameSize; ULONG dwMaxPayloadTransferSize; ULONG dwClockFrequency; UCHAR bmFramingInfo; UCHAR bPreferredVersion; UCHAR bMinVersion; UCHAR bMaxVersion; } VS_PROBE_COMMIT_CONTROL2, *PVS_PROBE_COMMIT_CONTROL2; #pragma pack( pop, vdc_descriptor_structs ) #pragma warning( default : 4200 ) // // END - VDC Descriptor and Control Structures // #endif // ___UVCDESC_H___
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