679 lines
20 KiB
C
Executable File
679 lines
20 KiB
C
Executable File
/*
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* USB Video Class definitions.
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*
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* This file holds USB constants and structures defined by the USB Device
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* Class Definition for Video Devices. Unless otherwise stated, comments
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* below reference relevant sections of the USB Video Class 1.1 specification
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* available at
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*
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* http://www.usb.org/developers/devclass_docs/USB_Video_Class_1_1.zip
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*/
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#ifndef _USB_VIDEO_H_
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#define _USB_VIDEO_H_
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/* --------------------------------------------------------------------------
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* UVC constants
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*/
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/* A.2. Video Interface Subclass Codes */
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#define UVC_SC_UNDEFINED 0x00
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#define UVC_SC_VIDEOCONTROL 0x01
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#define UVC_SC_VIDEOSTREAMING 0x02
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#define UVC_SC_VIDEO_INTERFACE_COLLECTION 0x03
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/* A.3. Video Interface Protocol Codes */
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#define UVC_PC_PROTOCOL_UNDEFINED 0x00
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#define UVC_PC_PROTOCOL_15 0x01
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/* A.5. Video Class-Specific VC Interface Descriptor Subtypes */
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#define UVC_VC_DESCRIPTOR_UNDEFINED 0x00
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#define UVC_VC_HEADER 0x01
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#define UVC_VC_INPUT_TERMINAL 0x02
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#define UVC_VC_OUTPUT_TERMINAL 0x03
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#define UVC_VC_SELECTOR_UNIT 0x04
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#define UVC_VC_PROCESSING_UNIT 0x05
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#define UVC_VC_EXTENSION_UNIT 0x06
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/* A.6. Video Class-Specific VS Interface Descriptor Subtypes */
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#define UVC_VS_UNDEFINED 0x00
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#define UVC_VS_INPUT_HEADER 0x01
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#define UVC_VS_OUTPUT_HEADER 0x02
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#define UVC_VS_STILL_IMAGE_FRAME 0x03
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#define UVC_VS_FORMAT_UNCOMPRESSED 0x04
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#define UVC_VS_FRAME_UNCOMPRESSED 0x05
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#define UVC_VS_FORMAT_MJPEG 0x06
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#define UVC_VS_FRAME_MJPEG 0x07
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#define UVC_VS_FORMAT_MPEG2TS 0x0a
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#define UVC_VS_FORMAT_DV 0x0c
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#define UVC_VS_COLORFORMAT 0x0d
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#define UVC_VS_FORMAT_FRAME_BASED 0x10
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#define UVC_VS_FRAME_FRAME_BASED 0x11
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#define UVC_VS_FORMAT_STREAM_BASED 0x12
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/* A.7. Video Class-Specific Endpoint Descriptor Subtypes */
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#define UVC_EP_UNDEFINED 0x00
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#define UVC_EP_GENERAL 0x01
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#define UVC_EP_ENDPOINT 0x02
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#define UVC_EP_INTERRUPT 0x03
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/* A.8. Video Class-Specific Request Codes
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? Current setting attribute (GET_CUR)
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? Minimum setting attribute (GET_MIN)
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? Maximum setting attribute (GET_MAX)
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? Default setting attribute (GET_DEF)
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? Resolution attribute (GET_RES)
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? Data length attribute (GET_LEN)
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? Information attribute (GET_INFO)
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? Current setting attribute (SET_CUR)
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*/
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#define UVC_RC_UNDEFINED 0x00
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#define UVC_SET_CUR 0x01
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#define UVC_GET_CUR 0x81
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#define UVC_GET_MIN 0x82
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#define UVC_GET_MAX 0x83
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#define UVC_GET_RES 0x84
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#define UVC_GET_LEN 0x85
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#define UVC_GET_INFO 0x86
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#define UVC_GET_DEF 0x87
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/* A.9.1. VideoControl Interface Control Selectors */
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#define UVC_VC_CONTROL_UNDEFINED 0x00
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#define UVC_VC_VIDEO_POWER_MODE_CONTROL 0x01
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#define UVC_VC_REQUEST_ERROR_CODE_CONTROL 0x02
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/* A.9.2. Terminal Control Selectors */
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#define UVC_TE_CONTROL_UNDEFINED 0x00
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/* A.9.3. Selector Unit Control Selectors */
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#define UVC_SU_CONTROL_UNDEFINED 0x00
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#define UVC_SU_INPUT_SELECT_CONTROL 0x01
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/* A.9.4. Camera Terminal Control Selectors */
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#define UVC_CT_CONTROL_UNDEFINED 0x00
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#define UVC_CT_SCANNING_MODE_CONTROL 0x01
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#define UVC_CT_AE_MODE_CONTROL 0x02
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#define UVC_CT_AE_PRIORITY_CONTROL 0x03
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#define UVC_CT_EXPOSURE_TIME_ABSOLUTE_CONTROL 0x04
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#define UVC_CT_EXPOSURE_TIME_RELATIVE_CONTROL 0x05
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#define UVC_CT_FOCUS_ABSOLUTE_CONTROL 0x06
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#define UVC_CT_FOCUS_RELATIVE_CONTROL 0x07
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#define UVC_CT_FOCUS_AUTO_CONTROL 0x08
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#define UVC_CT_IRIS_ABSOLUTE_CONTROL 0x09
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#define UVC_CT_IRIS_RELATIVE_CONTROL 0x0a
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#define UVC_CT_ZOOM_ABSOLUTE_CONTROL 0x0b
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#define UVC_CT_ZOOM_RELATIVE_CONTROL 0x0c
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#define UVC_CT_PANTILT_ABSOLUTE_CONTROL 0x0d
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#define UVC_CT_PANTILT_RELATIVE_CONTROL 0x0e
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#define UVC_CT_ROLL_ABSOLUTE_CONTROL 0x0f
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#define UVC_CT_ROLL_RELATIVE_CONTROL 0x10
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#define UVC_CT_PRIVACY_CONTROL 0x11
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/* A.9.5. Processing Unit Control Selectors */
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#define UVC_PU_CONTROL_UNDEFINED 0x00
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#define UVC_PU_BACKLIGHT_COMPENSATION_CONTROL 0x01
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#define UVC_PU_BRIGHTNESS_CONTROL 0x02
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#define UVC_PU_CONTRAST_CONTROL 0x03
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#define UVC_PU_GAIN_CONTROL 0x04
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#define UVC_PU_POWER_LINE_FREQUENCY_CONTROL 0x05
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#define UVC_PU_HUE_CONTROL 0x06
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#define UVC_PU_SATURATION_CONTROL 0x07
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#define UVC_PU_SHARPNESS_CONTROL 0x08
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#define UVC_PU_GAMMA_CONTROL 0x09
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#define UVC_PU_WHITE_BALANCE_TEMPERATURE_CONTROL 0x0a
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#define UVC_PU_WHITE_BALANCE_TEMPERATURE_AUTO_CONTROL 0x0b
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#define UVC_PU_WHITE_BALANCE_COMPONENT_CONTROL 0x0c
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#define UVC_PU_WHITE_BALANCE_COMPONENT_AUTO_CONTROL 0x0d
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#define UVC_PU_DIGITAL_MULTIPLIER_CONTROL 0x0e
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#define UVC_PU_DIGITAL_MULTIPLIER_LIMIT_CONTROL 0x0f
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#define UVC_PU_HUE_AUTO_CONTROL 0x10
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#define UVC_PU_ANALOG_VIDEO_STANDARD_CONTROL 0x11
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#define UVC_PU_ANALOG_LOCK_STATUS_CONTROL 0x12
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/* A.9.7. VideoStreaming Interface Control Selectors */
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#define UVC_VS_CONTROL_UNDEFINED 0x00
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#define UVC_VS_PROBE_CONTROL 0x01
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#define UVC_VS_COMMIT_CONTROL 0x02
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#define UVC_VS_STILL_PROBE_CONTROL 0x03
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#define UVC_VS_STILL_COMMIT_CONTROL 0x04
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#define UVC_VS_STILL_IMAGE_TRIGGER_CONTROL 0x05
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#define UVC_VS_STREAM_ERROR_CODE_CONTROL 0x06
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#define UVC_VS_GENERATE_KEY_FRAME_CONTROL 0x07
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#define UVC_VS_UPDATE_FRAME_SEGMENT_CONTROL 0x08
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#define UVC_VS_SYNC_DELAY_CONTROL 0x09
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/* B.1. USB Terminal Types */
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#define UVC_TT_VENDOR_SPECIFIC 0x0100
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#define UVC_TT_STREAMING 0x0101
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/* B.2. Input Terminal Types */
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#define UVC_ITT_VENDOR_SPECIFIC 0x0200
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#define UVC_ITT_CAMERA 0x0201
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#define UVC_ITT_MEDIA_TRANSPORT_INPUT 0x0202
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/* B.3. Output Terminal Types */
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#define UVC_OTT_VENDOR_SPECIFIC 0x0300
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#define UVC_OTT_DISPLAY 0x0301
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#define UVC_OTT_MEDIA_TRANSPORT_OUTPUT 0x0302
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/* B.4. External Terminal Types */
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#define UVC_EXTERNAL_VENDOR_SPECIFIC 0x0400
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#define UVC_COMPOSITE_CONNECTOR 0x0401
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#define UVC_SVIDEO_CONNECTOR 0x0402
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#define UVC_COMPONENT_CONNECTOR 0x0403
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/* 2.4.2.2. Status Packet Type */
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#define UVC_STATUS_TYPE_CONTROL 1
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#define UVC_STATUS_TYPE_STREAMING 2
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/* 2.4.3.3. Payload Header Information */
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#define UVC_STREAM_EOH (1 << 7)
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#define UVC_STREAM_ERR (1 << 6)
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#define UVC_STREAM_STI (1 << 5)
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#define UVC_STREAM_RES (1 << 4)
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#define UVC_STREAM_SCR (1 << 3)
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#define UVC_STREAM_PTS (1 << 2)
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#define UVC_STREAM_EOF (1 << 1)
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#define UVC_STREAM_FID (1 << 0)
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/* 4.1.2. Control Capabilities */
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#define UVC_CONTROL_CAP_GET (1 << 0)
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#define UVC_CONTROL_CAP_SET (1 << 1)
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#define UVC_CONTROL_CAP_DISABLED (1 << 2)
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#define UVC_CONTROL_CAP_AUTOUPDATE (1 << 3)
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#define UVC_CONTROL_CAP_ASYNCHRONOUS (1 << 4)
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/* ------------------------------------------------------------------------
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* UVC structures
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*/
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/* All UVC descriptors have these 3 fields at the beginning */
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struct uvc_descriptor_header
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{
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uint8_t bLength;
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uint8_t bDescriptorType;
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uint8_t bDescriptorSubType;
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} __attribute__((packed));
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/* 3.7.2. Video Control Interface Header Descriptor */
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struct uvc_header_descriptor
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{
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uint8_t bLength;
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uint8_t bDescriptorType;
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uint8_t bDescriptorSubType;
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uint16_t bcdUVC;
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uint16_t wTotalLength;
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uint32_t dwClockFrequency;
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uint8_t bInCollection;
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uint8_t baInterfaceNr[];
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} __attribute__((__packed__));
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#define UVC_DT_HEADER_SIZE(n) (12+(n))
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#define UVC_HEADER_DESCRIPTOR(n) \
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uvc_header_descriptor_##n
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#define DECLARE_UVC_HEADER_DESCRIPTOR(n) \
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struct UVC_HEADER_DESCRIPTOR(n) { \
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uint8_t bLength; \
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uint8_t bDescriptorType; \
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uint8_t bDescriptorSubType; \
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uint16_t bcdUVC; \
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uint16_t wTotalLength; \
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uint32_t dwClockFrequency; \
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uint8_t bInCollection; \
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uint8_t baInterfaceNr[n]; \
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} __attribute__ ((packed))
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/* 3.7.2.1. Input Terminal Descriptor */
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struct uvc_input_terminal_descriptor
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{
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uint8_t bLength;
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uint8_t bDescriptorType;
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uint8_t bDescriptorSubType;
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uint8_t bTerminalID;
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uint16_t wTerminalType;
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uint8_t bAssocTerminal;
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uint8_t iTerminal;
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} __attribute__((__packed__));
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#define UVC_DT_INPUT_TERMINAL_SIZE 8
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/* 3.7.2.2. Output Terminal Descriptor */
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struct uvc_output_terminal_descriptor
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{
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uint8_t bLength;
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uint8_t bDescriptorType;
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uint8_t bDescriptorSubType;
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uint8_t bTerminalID;
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uint16_t wTerminalType;
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uint8_t bAssocTerminal;
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uint8_t bSourceID;
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uint8_t iTerminal;
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} __attribute__((__packed__));
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#define UVC_DT_OUTPUT_TERMINAL_SIZE 9
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/* 3.7.2.3. Camera Terminal Descriptor */
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struct uvc_camera_terminal_descriptor
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{
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uint8_t bLength;
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uint8_t bDescriptorType;
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uint8_t bDescriptorSubType;
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uint8_t bTerminalID;
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uint16_t wTerminalType;
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uint8_t bAssocTerminal;
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uint8_t iTerminal;
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uint16_t wObjectiveFocalLengthMin;
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uint16_t wObjectiveFocalLengthMax;
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uint16_t wOcularFocalLength;
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uint8_t bControlSize;
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uint8_t bmControls[3];
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} __attribute__((__packed__));
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#define UVC_DT_CAMERA_TERMINAL_SIZE(n) (15+(n))
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/* 3.7.2.4. Selector Unit Descriptor */
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struct uvc_selector_unit_descriptor
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{
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uint8_t bLength;
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uint8_t bDescriptorType;
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uint8_t bDescriptorSubType;
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uint8_t bUnitID;
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uint8_t bNrInPins;
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uint8_t baSourceID[1];
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uint8_t iSelector;
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} __attribute__((__packed__));
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#define UVC_DT_SELECTOR_UNIT_SIZE(n) (6+(n))
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#define UVC_SELECTOR_UNIT_DESCRIPTOR(n) \
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uvc_selector_unit_descriptor_##n
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#define DECLARE_UVC_SELECTOR_UNIT_DESCRIPTOR(n) \
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struct UVC_SELECTOR_UNIT_DESCRIPTOR(n) { \
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uint8_t bLength; \
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uint8_t bDescriptorType; \
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uint8_t bDescriptorSubType; \
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uint8_t bUnitID; \
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uint8_t bNrInPins; \
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uint8_t baSourceID[n]; \
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uint8_t iSelector; \
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} __attribute__ ((packed))
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/* 3.7.2.5. Processing Unit Descriptor */
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struct uvc_processing_unit_descriptor
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{
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uint8_t bLength;
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uint8_t bDescriptorType;
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uint8_t bDescriptorSubType;
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uint8_t bUnitID;
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uint8_t bSourceID;
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uint16_t wMaxMultiplier;
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uint8_t bControlSize;
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uint8_t bmControls[2];
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uint8_t iProcessing;
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} __attribute__((__packed__));
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#define UVC_DT_PROCESSING_UNIT_SIZE(n) (9+(n))
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/* 3.7.2.6. Extension Unit Descriptor */
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struct uvc_extension_unit_descriptor
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{
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uint8_t bLength;
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uint8_t bDescriptorType;
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uint8_t bDescriptorSubType;
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uint8_t bUnitID;
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uint8_t guidExtensionCode[16];
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uint8_t bNumControls;
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uint8_t bNrInPins;
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uint8_t baSourceID[1];
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uint8_t bControlSize;
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uint8_t bmControls[1];
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uint8_t iExtension;
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} __attribute__((__packed__));
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#define UVC_DT_EXTENSION_UNIT_SIZE(p, n) (24+(p)+(n))
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#define UVC_EXTENSION_UNIT_DESCRIPTOR(p, n) \
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uvc_extension_unit_descriptor_##p_##n
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#define DECLARE_UVC_EXTENSION_UNIT_DESCRIPTOR(p, n) \
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struct UVC_EXTENSION_UNIT_DESCRIPTOR(p, n) { \
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uint8_t bLength; \
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uint8_t bDescriptorType; \
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uint8_t bDescriptorSubType; \
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uint8_t bUnitID; \
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uint8_t guidExtensionCode[16]; \
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uint8_t bNumControls; \
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uint8_t bNrInPins; \
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uint8_t baSourceID[p]; \
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uint8_t bControlSize; \
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uint8_t bmControls[n]; \
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uint8_t iExtension; \
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} __attribute__ ((packed))
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/* 3.8.2.2. Video Control Interrupt Endpoint Descriptor */
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struct uvc_control_endpoint_descriptor
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{
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uint8_t bLength;
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uint8_t bDescriptorType;
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uint8_t bDescriptorSubType;
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uint16_t wMaxTransferSize;
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} __attribute__((__packed__));
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#define UVC_DT_CONTROL_ENDPOINT_SIZE 5
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/* 3.9.2.1. Input Header Descriptor */
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struct uvc_input_header_descriptor
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{
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uint8_t bLength;
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uint8_t bDescriptorType;
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uint8_t bDescriptorSubType;
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uint8_t bNumFormats;
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uint16_t wTotalLength;
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uint8_t bEndpointAddress;
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uint8_t bmInfo;
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uint8_t bTerminalLink;
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uint8_t bStillCaptureMethod;
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uint8_t bTriggerSupport;
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uint8_t bTriggerUsage;
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uint8_t bControlSize;
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uint8_t bmaControls[];
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} __attribute__((__packed__));
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#define UVC_DT_INPUT_HEADER_SIZE(n, p) (13+(n*p))
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#define UVC_INPUT_HEADER_DESCRIPTOR(n, p) \
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uvc_input_header_descriptor_##n_##p
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#define DECLARE_UVC_INPUT_HEADER_DESCRIPTOR(n, p) \
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struct UVC_INPUT_HEADER_DESCRIPTOR(n, p) { \
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uint8_t bLength; \
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uint8_t bDescriptorType; \
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uint8_t bDescriptorSubType; \
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uint8_t bNumFormats; \
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uint16_t wTotalLength; \
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uint8_t bEndpointAddress; \
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uint8_t bmInfo; \
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uint8_t bTerminalLink; \
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uint8_t bStillCaptureMethod; \
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uint8_t bTriggerSupport; \
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uint8_t bTriggerUsage; \
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uint8_t bControlSize; \
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uint8_t bmaControls[p][n]; \
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} __attribute__ ((packed))
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/* 3.9.2.2. Output Header Descriptor */
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struct uvc_output_header_descriptor
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{
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uint8_t bLength;
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uint8_t bDescriptorType;
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uint8_t bDescriptorSubType;
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uint8_t bNumFormats;
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uint16_t wTotalLength;
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uint8_t bEndpointAddress;
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uint8_t bTerminalLink;
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uint8_t bControlSize;
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uint8_t bmaControls[];
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} __attribute__((__packed__));
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#define UVC_DT_OUTPUT_HEADER_SIZE(n, p) (9+(n*p))
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#define UVC_OUTPUT_HEADER_DESCRIPTOR(n, p) \
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uvc_output_header_descriptor_##n_##p
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#define DECLARE_UVC_OUTPUT_HEADER_DESCRIPTOR(n, p) \
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struct UVC_OUTPUT_HEADER_DESCRIPTOR(n, p) { \
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uint8_t bLength; \
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uint8_t bDescriptorType; \
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uint8_t bDescriptorSubType; \
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uint8_t bNumFormats; \
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uint16_t wTotalLength; \
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uint8_t bEndpointAddress; \
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uint8_t bTerminalLink; \
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uint8_t bControlSize; \
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uint8_t bmaControls[p][n]; \
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} __attribute__ ((packed))
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/* 3.9.2.6. Color matching descriptor */
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struct uvc_color_matching_descriptor
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{
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uint8_t bLength;
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uint8_t bDescriptorType;
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uint8_t bDescriptorSubType;
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uint8_t bColorPrimaries;
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uint8_t bTransferCharacteristics;
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uint8_t bMatrixCoefficients;
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} __attribute__((__packed__));
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#define UVC_DT_COLOR_MATCHING_SIZE 6
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/* 4.3.1.1. Video Probe and Commit Controls */
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struct uvc_streaming_control_10
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{
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uint16_t bmHint;
|
|
uint8_t bFormatIndex;
|
|
uint8_t bFrameIndex;
|
|
uint32_t dwFrameInterval;
|
|
uint16_t wKeyFrameRate;
|
|
uint16_t wPFrameRate;
|
|
uint16_t wCompQuality;
|
|
uint16_t wCompWindowSize;
|
|
uint16_t wDelay;
|
|
uint32_t dwMaxVideoFrameSize;
|
|
uint32_t dwMaxPayloadTransferSize;
|
|
} __attribute__((__packed__));
|
|
|
|
#define UVC_VERSION_10 26
|
|
|
|
struct uvc_streaming_control_11
|
|
{
|
|
uint16_t bmHint;
|
|
uint8_t bFormatIndex;
|
|
uint8_t bFrameIndex;
|
|
uint32_t dwFrameInterval;
|
|
uint16_t wKeyFrameRate;
|
|
uint16_t wPFrameRate;
|
|
uint16_t wCompQuality;
|
|
uint16_t wCompWindowSize;
|
|
uint16_t wDelay;
|
|
uint32_t dwMaxVideoFrameSize;
|
|
uint32_t dwMaxPayloadTransferSize;
|
|
uint32_t dwClockFrequency;
|
|
uint8_t bmFramingInfo;
|
|
uint8_t bPreferedVersion;
|
|
uint8_t bMinVersion;
|
|
uint8_t bMaxVersion;
|
|
} __attribute__((__packed__));
|
|
|
|
#define UVC_VERSION_11 34
|
|
|
|
struct uvc_streaming_control_15
|
|
{
|
|
uint16_t bmHint;
|
|
uint8_t bFormatIndex;
|
|
uint8_t bFrameIndex;
|
|
uint32_t dwFrameInterval;
|
|
uint16_t wKeyFrameRate;
|
|
uint16_t wPFrameRate;
|
|
uint16_t wCompQuality;
|
|
uint16_t wCompWindowSize;
|
|
uint16_t wDelay;
|
|
uint32_t dwMaxVideoFrameSize;
|
|
uint32_t dwMaxPayloadTransferSize;
|
|
uint32_t dwClockFrequency;
|
|
uint8_t bmFramingInfo;
|
|
uint8_t bPreferedVersion;
|
|
uint8_t bMinVersion;
|
|
uint8_t bMaxVersion;
|
|
uint8_t bUsage;
|
|
uint8_t bBitDepthLuma;
|
|
uint8_t bmSettings;
|
|
uint8_t bMaxNumberOfRefFramesPlus1;
|
|
uint16_t bmRateControlModes;
|
|
uint64_t bmLayoutPerStream;
|
|
} __attribute__((__packed__));
|
|
|
|
#define UVC_VERSION_15 48
|
|
|
|
/* Uncompressed Payload - 3.1.1. Uncompressed Video Format Descriptor */
|
|
struct uvc_format_uncompressed
|
|
{
|
|
uint8_t bLength;
|
|
uint8_t bDescriptorType;
|
|
uint8_t bDescriptorSubType;
|
|
uint8_t bFormatIndex;
|
|
uint8_t bNumFrameDescriptors;
|
|
uint8_t guidFormat[16];
|
|
uint8_t bBitsPerPixel;
|
|
uint8_t bDefaultFrameIndex;
|
|
uint8_t bAspectRatioX;
|
|
uint8_t bAspectRatioY;
|
|
uint8_t bmInterfaceFlags;
|
|
uint8_t bCopyProtect;
|
|
} __attribute__((__packed__));
|
|
|
|
#define UVC_DT_FORMAT_UNCOMPRESSED_SIZE 27
|
|
|
|
/* Uncompressed Payload - 3.1.2. Uncompressed Video Frame Descriptor */
|
|
struct uvc_frame_uncompressed
|
|
{
|
|
uint8_t bLength;
|
|
uint8_t bDescriptorType;
|
|
uint8_t bDescriptorSubType;
|
|
uint8_t bFrameIndex;
|
|
uint8_t bmCapabilities;
|
|
uint16_t wWidth;
|
|
uint16_t wHeight;
|
|
uint32_t dwMinBitRate;
|
|
uint32_t dwMaxBitRate;
|
|
uint32_t dwMaxVideoFrameBufferSize;
|
|
uint32_t dwDefaultFrameInterval;
|
|
uint8_t bFrameIntervalType;
|
|
uint32_t dwFrameInterval[];
|
|
} __attribute__((__packed__));
|
|
|
|
#define UVC_DT_FRAME_UNCOMPRESSED_SIZE(n) (26+4*(n))
|
|
|
|
#define UVC_FRAME_UNCOMPRESSED(n) \
|
|
uvc_frame_uncompressed_##n
|
|
|
|
#define DECLARE_UVC_FRAME_UNCOMPRESSED(n) \
|
|
struct UVC_FRAME_UNCOMPRESSED(n) { \
|
|
uint8_t bLength; \
|
|
uint8_t bDescriptorType; \
|
|
uint8_t bDescriptorSubType; \
|
|
uint8_t bFrameIndex; \
|
|
uint8_t bmCapabilities; \
|
|
uint16_t wWidth; \
|
|
uint16_t wHeight; \
|
|
uint32_t dwMinBitRate; \
|
|
uint32_t dwMaxBitRate; \
|
|
uint32_t dwMaxVideoFrameBufferSize; \
|
|
uint32_t dwDefaultFrameInterval; \
|
|
uint8_t bFrameIntervalType; \
|
|
uint32_t dwFrameInterval[n]; \
|
|
} __attribute__ ((packed))
|
|
|
|
/* MJPEG Payload - 3.1.1. MJPEG Video Format Descriptor */
|
|
struct uvc_format_mjpeg
|
|
{
|
|
uint8_t bLength;
|
|
uint8_t bDescriptorType;
|
|
uint8_t bDescriptorSubType;
|
|
uint8_t bFormatIndex;
|
|
uint8_t bNumFrameDescriptors;
|
|
uint8_t bmFlags;
|
|
uint8_t bDefaultFrameIndex;
|
|
uint8_t bAspectRatioX;
|
|
uint8_t bAspectRatioY;
|
|
uint8_t bmInterfaceFlags;
|
|
uint8_t bCopyProtect;
|
|
} __attribute__((__packed__));
|
|
|
|
#define UVC_DT_FORMAT_MJPEG_SIZE 11
|
|
|
|
/* MJPEG Payload - 3.1.2. MJPEG Video Frame Descriptor */
|
|
struct uvc_frame_mjpeg
|
|
{
|
|
uint8_t bLength;
|
|
uint8_t bDescriptorType;
|
|
uint8_t bDescriptorSubType;
|
|
uint8_t bFrameIndex;
|
|
uint8_t bmCapabilities;
|
|
uint16_t wWidth;
|
|
uint16_t wHeight;
|
|
uint32_t dwMinBitRate;
|
|
uint32_t dwMaxBitRate;
|
|
uint32_t dwMaxVideoFrameBufferSize;
|
|
uint32_t dwDefaultFrameInterval;
|
|
uint8_t bFrameIntervalType;
|
|
uint32_t dwFrameInterval[];
|
|
} __attribute__((__packed__));
|
|
|
|
/* H264 Payload - 3.1.1. H264 Video Format Descriptor */
|
|
struct uvc_format_h26x
|
|
{
|
|
uint8_t bLength;
|
|
uint8_t bDescriptorType;
|
|
uint8_t bDescriptorSubType;
|
|
uint8_t bFormatIndex;
|
|
uint8_t bNumFrameDescriptors;
|
|
uint8_t guidFormat[16];
|
|
uint8_t bBitsPerPixel;
|
|
uint8_t bDefaultFrameIndex;
|
|
uint8_t bAspectRatioX;
|
|
uint8_t bAspectRatioY;
|
|
uint8_t bmInterfaceFlags;
|
|
uint8_t bCopyProtect;
|
|
uint8_t bVariableSize;
|
|
} __attribute__((__packed__));
|
|
|
|
#define UVC_DT_FORMAT_H264_SIZE 28
|
|
|
|
/* H264 Payload - 3.1.2. H264 Video Frame Descriptor */
|
|
struct uvc_frame_h26x
|
|
{
|
|
uint8_t bLength;
|
|
uint8_t bDescriptorType;
|
|
uint8_t bDescriptorSubType;
|
|
uint8_t bFrameIndex;
|
|
uint8_t bmCapabilities;
|
|
uint16_t wWidth;
|
|
uint16_t wHeight;
|
|
uint32_t dwMinBitRate;
|
|
uint32_t dwMaxBitRate;
|
|
uint32_t dwDefaultFrameInterval;
|
|
uint8_t bFrameIntervalType;
|
|
uint32_t dwBytesPerLine;
|
|
uint32_t dwFrameInterval[];
|
|
} __attribute__((__packed__));
|
|
|
|
#define UVC_DT_FRAME_H264_SIZE(n) (25+4*(n))
|
|
|
|
#define UVC_DT_FRAME_MJPEG_SIZE(n) (26+4*(n))
|
|
|
|
#define UVC_FRAME_MJPEG(n) \
|
|
uvc_frame_mjpeg_##n
|
|
|
|
#define DECLARE_UVC_FRAME_MJPEG(n) \
|
|
struct UVC_FRAME_MJPEG(n) { \
|
|
uint8_t bLength; \
|
|
uint8_t bDescriptorType; \
|
|
uint8_t bDescriptorSubType; \
|
|
uint8_t bFrameIndex; \
|
|
uint8_t bmCapabilities; \
|
|
uint16_t wWidth; \
|
|
uint16_t wHeight; \
|
|
uint32_t dwMinBitRate; \
|
|
uint32_t dwMaxBitRate; \
|
|
uint32_t dwMaxVideoFrameBufferSize; \
|
|
uint32_t dwDefaultFrameInterval; \
|
|
uint8_t bFrameIntervalType; \
|
|
uint32_t dwFrameInterval[n]; \
|
|
} __attribute__ ((packed))
|
|
|
|
|
|
#endif /* _USB_VIDEO_H_ */
|
|
//eof
|
|
|