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serginhofr |
/*
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* USB Video Class definitions.
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*
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* Copyright (C) 2009 Laurent Pinchart <laurent.pinchart@skynet.be>
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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 __LINUX_USB_VIDEO_H
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#define __LINUX_USB_VIDEO_H
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#include <linux/types.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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/* 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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#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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__u8 bLength;
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__u8 bDescriptorType;
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__u8 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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__u8 bLength;
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__u8 bDescriptorType;
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__u8 bDescriptorSubType;
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__u16 bcdUVC;
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__u16 wTotalLength;
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__u32 dwClockFrequency;
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__u8 bInCollection;
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__u8 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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__u8 bLength; \
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__u8 bDescriptorType; \
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__u8 bDescriptorSubType; \
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__u16 bcdUVC; \
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__u16 wTotalLength; \
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__u32 dwClockFrequency; \
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__u8 bInCollection; \
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__u8 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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__u8 bLength;
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__u8 bDescriptorType;
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__u8 bDescriptorSubType;
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__u8 bTerminalID;
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__u16 wTerminalType;
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__u8 bAssocTerminal;
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__u8 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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__u8 bLength;
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__u8 bDescriptorType;
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__u8 bDescriptorSubType;
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__u8 bTerminalID;
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__u16 wTerminalType;
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__u8 bAssocTerminal;
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__u8 bSourceID;
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__u8 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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__u8 bLength;
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__u8 bDescriptorType;
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__u8 bDescriptorSubType;
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__u8 bTerminalID;
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__u16 wTerminalType;
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__u8 bAssocTerminal;
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__u8 iTerminal;
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__u16 wObjectiveFocalLengthMin;
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__u16 wObjectiveFocalLengthMax;
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__u16 wOcularFocalLength;
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__u8 bControlSize;
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__u8 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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__u8 bLength;
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__u8 bDescriptorType;
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__u8 bDescriptorSubType;
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__u8 bUnitID;
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__u8 bNrInPins;
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__u8 baSourceID[0];
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__u8 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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__u8 bLength; \
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__u8 bDescriptorType; \
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__u8 bDescriptorSubType; \
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__u8 bUnitID; \
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__u8 bNrInPins; \
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__u8 baSourceID[n]; \
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__u8 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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__u8 bLength;
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__u8 bDescriptorType;
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__u8 bDescriptorSubType;
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__u8 bUnitID;
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__u8 bSourceID;
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__u16 wMaxMultiplier;
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__u8 bControlSize;
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__u8 bmControls[2];
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__u8 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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|
|
__u8 bLength;
|
| 310 |
|
|
__u8 bDescriptorType;
|
| 311 |
|
|
__u8 bDescriptorSubType;
|
| 312 |
|
|
__u8 bUnitID;
|
| 313 |
|
|
__u8 guidExtensionCode[16];
|
| 314 |
|
|
__u8 bNumControls;
|
| 315 |
|
|
__u8 bNrInPins;
|
| 316 |
|
|
__u8 baSourceID[0];
|
| 317 |
|
|
__u8 bControlSize;
|
| 318 |
|
|
__u8 bmControls[0];
|
| 319 |
|
|
__u8 iExtension;
|
| 320 |
|
|
} __attribute__((__packed__));
|
| 321 |
|
|
|
| 322 |
|
|
#define UVC_DT_EXTENSION_UNIT_SIZE(p, n) (24+(p)+(n))
|
| 323 |
|
|
|
| 324 |
|
|
#define UVC_EXTENSION_UNIT_DESCRIPTOR(p, n) \
|
| 325 |
|
|
uvc_extension_unit_descriptor_##p_##n
|
| 326 |
|
|
|
| 327 |
|
|
#define DECLARE_UVC_EXTENSION_UNIT_DESCRIPTOR(p, n) \
|
| 328 |
|
|
struct UVC_EXTENSION_UNIT_DESCRIPTOR(p, n) { \
|
| 329 |
|
|
__u8 bLength; \
|
| 330 |
|
|
__u8 bDescriptorType; \
|
| 331 |
|
|
__u8 bDescriptorSubType; \
|
| 332 |
|
|
__u8 bUnitID; \
|
| 333 |
|
|
__u8 guidExtensionCode[16]; \
|
| 334 |
|
|
__u8 bNumControls; \
|
| 335 |
|
|
__u8 bNrInPins; \
|
| 336 |
|
|
__u8 baSourceID[p]; \
|
| 337 |
|
|
__u8 bControlSize; \
|
| 338 |
|
|
__u8 bmControls[n]; \
|
| 339 |
|
|
__u8 iExtension; \
|
| 340 |
|
|
} __attribute__ ((packed))
|
| 341 |
|
|
|
| 342 |
|
|
/* 3.8.2.2. Video Control Interrupt Endpoint Descriptor */
|
| 343 |
|
|
struct uvc_control_endpoint_descriptor {
|
| 344 |
|
|
__u8 bLength;
|
| 345 |
|
|
__u8 bDescriptorType;
|
| 346 |
|
|
__u8 bDescriptorSubType;
|
| 347 |
|
|
__u16 wMaxTransferSize;
|
| 348 |
|
|
} __attribute__((__packed__));
|
| 349 |
|
|
|
| 350 |
|
|
#define UVC_DT_CONTROL_ENDPOINT_SIZE 5
|
| 351 |
|
|
|
| 352 |
|
|
/* 3.9.2.1. Input Header Descriptor */
|
| 353 |
|
|
struct uvc_input_header_descriptor {
|
| 354 |
|
|
__u8 bLength;
|
| 355 |
|
|
__u8 bDescriptorType;
|
| 356 |
|
|
__u8 bDescriptorSubType;
|
| 357 |
|
|
__u8 bNumFormats;
|
| 358 |
|
|
__u16 wTotalLength;
|
| 359 |
|
|
__u8 bEndpointAddress;
|
| 360 |
|
|
__u8 bmInfo;
|
| 361 |
|
|
__u8 bTerminalLink;
|
| 362 |
|
|
__u8 bStillCaptureMethod;
|
| 363 |
|
|
__u8 bTriggerSupport;
|
| 364 |
|
|
__u8 bTriggerUsage;
|
| 365 |
|
|
__u8 bControlSize;
|
| 366 |
|
|
__u8 bmaControls[];
|
| 367 |
|
|
} __attribute__((__packed__));
|
| 368 |
|
|
|
| 369 |
|
|
#define UVC_DT_INPUT_HEADER_SIZE(n, p) (13+(n*p))
|
| 370 |
|
|
|
| 371 |
|
|
#define UVC_INPUT_HEADER_DESCRIPTOR(n, p) \
|
| 372 |
|
|
uvc_input_header_descriptor_##n_##p
|
| 373 |
|
|
|
| 374 |
|
|
#define DECLARE_UVC_INPUT_HEADER_DESCRIPTOR(n, p) \
|
| 375 |
|
|
struct UVC_INPUT_HEADER_DESCRIPTOR(n, p) { \
|
| 376 |
|
|
__u8 bLength; \
|
| 377 |
|
|
__u8 bDescriptorType; \
|
| 378 |
|
|
__u8 bDescriptorSubType; \
|
| 379 |
|
|
__u8 bNumFormats; \
|
| 380 |
|
|
__u16 wTotalLength; \
|
| 381 |
|
|
__u8 bEndpointAddress; \
|
| 382 |
|
|
__u8 bmInfo; \
|
| 383 |
|
|
__u8 bTerminalLink; \
|
| 384 |
|
|
__u8 bStillCaptureMethod; \
|
| 385 |
|
|
__u8 bTriggerSupport; \
|
| 386 |
|
|
__u8 bTriggerUsage; \
|
| 387 |
|
|
__u8 bControlSize; \
|
| 388 |
|
|
__u8 bmaControls[p][n]; \
|
| 389 |
|
|
} __attribute__ ((packed))
|
| 390 |
|
|
|
| 391 |
|
|
/* 3.9.2.2. Output Header Descriptor */
|
| 392 |
|
|
struct uvc_output_header_descriptor {
|
| 393 |
|
|
__u8 bLength;
|
| 394 |
|
|
__u8 bDescriptorType;
|
| 395 |
|
|
__u8 bDescriptorSubType;
|
| 396 |
|
|
__u8 bNumFormats;
|
| 397 |
|
|
__u16 wTotalLength;
|
| 398 |
|
|
__u8 bEndpointAddress;
|
| 399 |
|
|
__u8 bTerminalLink;
|
| 400 |
|
|
__u8 bControlSize;
|
| 401 |
|
|
__u8 bmaControls[];
|
| 402 |
|
|
} __attribute__((__packed__));
|
| 403 |
|
|
|
| 404 |
|
|
#define UVC_DT_OUTPUT_HEADER_SIZE(n, p) (9+(n*p))
|
| 405 |
|
|
|
| 406 |
|
|
#define UVC_OUTPUT_HEADER_DESCRIPTOR(n, p) \
|
| 407 |
|
|
uvc_output_header_descriptor_##n_##p
|
| 408 |
|
|
|
| 409 |
|
|
#define DECLARE_UVC_OUTPUT_HEADER_DESCRIPTOR(n, p) \
|
| 410 |
|
|
struct UVC_OUTPUT_HEADER_DESCRIPTOR(n, p) { \
|
| 411 |
|
|
__u8 bLength; \
|
| 412 |
|
|
__u8 bDescriptorType; \
|
| 413 |
|
|
__u8 bDescriptorSubType; \
|
| 414 |
|
|
__u8 bNumFormats; \
|
| 415 |
|
|
__u16 wTotalLength; \
|
| 416 |
|
|
__u8 bEndpointAddress; \
|
| 417 |
|
|
__u8 bTerminalLink; \
|
| 418 |
|
|
__u8 bControlSize; \
|
| 419 |
|
|
__u8 bmaControls[p][n]; \
|
| 420 |
|
|
} __attribute__ ((packed))
|
| 421 |
|
|
|
| 422 |
|
|
/* 3.9.2.6. Color matching descriptor */
|
| 423 |
|
|
struct uvc_color_matching_descriptor {
|
| 424 |
|
|
__u8 bLength;
|
| 425 |
|
|
__u8 bDescriptorType;
|
| 426 |
|
|
__u8 bDescriptorSubType;
|
| 427 |
|
|
__u8 bColorPrimaries;
|
| 428 |
|
|
__u8 bTransferCharacteristics;
|
| 429 |
|
|
__u8 bMatrixCoefficients;
|
| 430 |
|
|
} __attribute__((__packed__));
|
| 431 |
|
|
|
| 432 |
|
|
#define UVC_DT_COLOR_MATCHING_SIZE 6
|
| 433 |
|
|
|
| 434 |
|
|
/* 4.3.1.1. Video Probe and Commit Controls */
|
| 435 |
|
|
struct uvc_streaming_control {
|
| 436 |
|
|
__u16 bmHint;
|
| 437 |
|
|
__u8 bFormatIndex;
|
| 438 |
|
|
__u8 bFrameIndex;
|
| 439 |
|
|
__u32 dwFrameInterval;
|
| 440 |
|
|
__u16 wKeyFrameRate;
|
| 441 |
|
|
__u16 wPFrameRate;
|
| 442 |
|
|
__u16 wCompQuality;
|
| 443 |
|
|
__u16 wCompWindowSize;
|
| 444 |
|
|
__u16 wDelay;
|
| 445 |
|
|
__u32 dwMaxVideoFrameSize;
|
| 446 |
|
|
__u32 dwMaxPayloadTransferSize;
|
| 447 |
|
|
__u32 dwClockFrequency;
|
| 448 |
|
|
__u8 bmFramingInfo;
|
| 449 |
|
|
__u8 bPreferedVersion;
|
| 450 |
|
|
__u8 bMinVersion;
|
| 451 |
|
|
__u8 bMaxVersion;
|
| 452 |
|
|
} __attribute__((__packed__));
|
| 453 |
|
|
|
| 454 |
|
|
/* Uncompressed Payload - 3.1.1. Uncompressed Video Format Descriptor */
|
| 455 |
|
|
struct uvc_format_uncompressed {
|
| 456 |
|
|
__u8 bLength;
|
| 457 |
|
|
__u8 bDescriptorType;
|
| 458 |
|
|
__u8 bDescriptorSubType;
|
| 459 |
|
|
__u8 bFormatIndex;
|
| 460 |
|
|
__u8 bNumFrameDescriptors;
|
| 461 |
|
|
__u8 guidFormat[16];
|
| 462 |
|
|
__u8 bBitsPerPixel;
|
| 463 |
|
|
__u8 bDefaultFrameIndex;
|
| 464 |
|
|
__u8 bAspectRatioX;
|
| 465 |
|
|
__u8 bAspectRatioY;
|
| 466 |
|
|
__u8 bmInterfaceFlags;
|
| 467 |
|
|
__u8 bCopyProtect;
|
| 468 |
|
|
} __attribute__((__packed__));
|
| 469 |
|
|
|
| 470 |
|
|
#define UVC_DT_FORMAT_UNCOMPRESSED_SIZE 27
|
| 471 |
|
|
|
| 472 |
|
|
/* Uncompressed Payload - 3.1.2. Uncompressed Video Frame Descriptor */
|
| 473 |
|
|
struct uvc_frame_uncompressed {
|
| 474 |
|
|
__u8 bLength;
|
| 475 |
|
|
__u8 bDescriptorType;
|
| 476 |
|
|
__u8 bDescriptorSubType;
|
| 477 |
|
|
__u8 bFrameIndex;
|
| 478 |
|
|
__u8 bmCapabilities;
|
| 479 |
|
|
__u16 wWidth;
|
| 480 |
|
|
__u16 wHeight;
|
| 481 |
|
|
__u32 dwMinBitRate;
|
| 482 |
|
|
__u32 dwMaxBitRate;
|
| 483 |
|
|
__u32 dwMaxVideoFrameBufferSize;
|
| 484 |
|
|
__u32 dwDefaultFrameInterval;
|
| 485 |
|
|
__u8 bFrameIntervalType;
|
| 486 |
|
|
__u32 dwFrameInterval[];
|
| 487 |
|
|
} __attribute__((__packed__));
|
| 488 |
|
|
|
| 489 |
|
|
#define UVC_DT_FRAME_UNCOMPRESSED_SIZE(n) (26+4*(n))
|
| 490 |
|
|
|
| 491 |
|
|
#define UVC_FRAME_UNCOMPRESSED(n) \
|
| 492 |
|
|
uvc_frame_uncompressed_##n
|
| 493 |
|
|
|
| 494 |
|
|
#define DECLARE_UVC_FRAME_UNCOMPRESSED(n) \
|
| 495 |
|
|
struct UVC_FRAME_UNCOMPRESSED(n) { \
|
| 496 |
|
|
__u8 bLength; \
|
| 497 |
|
|
__u8 bDescriptorType; \
|
| 498 |
|
|
__u8 bDescriptorSubType; \
|
| 499 |
|
|
__u8 bFrameIndex; \
|
| 500 |
|
|
__u8 bmCapabilities; \
|
| 501 |
|
|
__u16 wWidth; \
|
| 502 |
|
|
__u16 wHeight; \
|
| 503 |
|
|
__u32 dwMinBitRate; \
|
| 504 |
|
|
__u32 dwMaxBitRate; \
|
| 505 |
|
|
__u32 dwMaxVideoFrameBufferSize; \
|
| 506 |
|
|
__u32 dwDefaultFrameInterval; \
|
| 507 |
|
|
__u8 bFrameIntervalType; \
|
| 508 |
|
|
__u32 dwFrameInterval[n]; \
|
| 509 |
|
|
} __attribute__ ((packed))
|
| 510 |
|
|
|
| 511 |
|
|
/* MJPEG Payload - 3.1.1. MJPEG Video Format Descriptor */
|
| 512 |
|
|
struct uvc_format_mjpeg {
|
| 513 |
|
|
__u8 bLength;
|
| 514 |
|
|
__u8 bDescriptorType;
|
| 515 |
|
|
__u8 bDescriptorSubType;
|
| 516 |
|
|
__u8 bFormatIndex;
|
| 517 |
|
|
__u8 bNumFrameDescriptors;
|
| 518 |
|
|
__u8 bmFlags;
|
| 519 |
|
|
__u8 bDefaultFrameIndex;
|
| 520 |
|
|
__u8 bAspectRatioX;
|
| 521 |
|
|
__u8 bAspectRatioY;
|
| 522 |
|
|
__u8 bmInterfaceFlags;
|
| 523 |
|
|
__u8 bCopyProtect;
|
| 524 |
|
|
} __attribute__((__packed__));
|
| 525 |
|
|
|
| 526 |
|
|
#define UVC_DT_FORMAT_MJPEG_SIZE 11
|
| 527 |
|
|
|
| 528 |
|
|
/* MJPEG Payload - 3.1.2. MJPEG Video Frame Descriptor */
|
| 529 |
|
|
struct uvc_frame_mjpeg {
|
| 530 |
|
|
__u8 bLength;
|
| 531 |
|
|
__u8 bDescriptorType;
|
| 532 |
|
|
__u8 bDescriptorSubType;
|
| 533 |
|
|
__u8 bFrameIndex;
|
| 534 |
|
|
__u8 bmCapabilities;
|
| 535 |
|
|
__u16 wWidth;
|
| 536 |
|
|
__u16 wHeight;
|
| 537 |
|
|
__u32 dwMinBitRate;
|
| 538 |
|
|
__u32 dwMaxBitRate;
|
| 539 |
|
|
__u32 dwMaxVideoFrameBufferSize;
|
| 540 |
|
|
__u32 dwDefaultFrameInterval;
|
| 541 |
|
|
__u8 bFrameIntervalType;
|
| 542 |
|
|
__u32 dwFrameInterval[];
|
| 543 |
|
|
} __attribute__((__packed__));
|
| 544 |
|
|
|
| 545 |
|
|
#define UVC_DT_FRAME_MJPEG_SIZE(n) (26+4*(n))
|
| 546 |
|
|
|
| 547 |
|
|
#define UVC_FRAME_MJPEG(n) \
|
| 548 |
|
|
uvc_frame_mjpeg_##n
|
| 549 |
|
|
|
| 550 |
|
|
#define DECLARE_UVC_FRAME_MJPEG(n) \
|
| 551 |
|
|
struct UVC_FRAME_MJPEG(n) { \
|
| 552 |
|
|
__u8 bLength; \
|
| 553 |
|
|
__u8 bDescriptorType; \
|
| 554 |
|
|
__u8 bDescriptorSubType; \
|
| 555 |
|
|
__u8 bFrameIndex; \
|
| 556 |
|
|
__u8 bmCapabilities; \
|
| 557 |
|
|
__u16 wWidth; \
|
| 558 |
|
|
__u16 wHeight; \
|
| 559 |
|
|
__u32 dwMinBitRate; \
|
| 560 |
|
|
__u32 dwMaxBitRate; \
|
| 561 |
|
|
__u32 dwMaxVideoFrameBufferSize; \
|
| 562 |
|
|
__u32 dwDefaultFrameInterval; \
|
| 563 |
|
|
__u8 bFrameIntervalType; \
|
| 564 |
|
|
__u32 dwFrameInterval[n]; \
|
| 565 |
|
|
} __attribute__ ((packed))
|
| 566 |
|
|
|
| 567 |
|
|
#endif /* __LINUX_USB_VIDEO_H */
|
| 568 |
|
|
|
