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Linux kernel mirror (for testing) git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
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#ifndef __LINUX_USB_VIDEO_H#define __LINUX_USB_VIDEO_H
#include <linux/types.h>
/* -------------------------------------------------------------------------- * UVC constants */
/* A.2. Video Interface Subclass Codes */#define UVC_SC_UNDEFINED 0x00#define UVC_SC_VIDEOCONTROL 0x01#define UVC_SC_VIDEOSTREAMING 0x02#define UVC_SC_VIDEO_INTERFACE_COLLECTION 0x03
/* A.3. Video Interface Protocol Codes */#define UVC_PC_PROTOCOL_UNDEFINED 0x00#define UVC_PC_PROTOCOL_15 0x01
/* A.5. Video Class-Specific VC Interface Descriptor Subtypes */#define UVC_VC_DESCRIPTOR_UNDEFINED 0x00#define UVC_VC_HEADER 0x01#define UVC_VC_INPUT_TERMINAL 0x02#define UVC_VC_OUTPUT_TERMINAL 0x03#define UVC_VC_SELECTOR_UNIT 0x04#define UVC_VC_PROCESSING_UNIT 0x05#define UVC_VC_EXTENSION_UNIT 0x06
/* A.6. Video Class-Specific VS Interface Descriptor Subtypes */#define UVC_VS_UNDEFINED 0x00#define UVC_VS_INPUT_HEADER 0x01#define UVC_VS_OUTPUT_HEADER 0x02#define UVC_VS_STILL_IMAGE_FRAME 0x03#define UVC_VS_FORMAT_UNCOMPRESSED 0x04#define UVC_VS_FRAME_UNCOMPRESSED 0x05#define UVC_VS_FORMAT_MJPEG 0x06#define UVC_VS_FRAME_MJPEG 0x07#define UVC_VS_FORMAT_MPEG2TS 0x0a#define UVC_VS_FORMAT_DV 0x0c#define UVC_VS_COLORFORMAT 0x0d#define UVC_VS_FORMAT_FRAME_BASED 0x10#define UVC_VS_FRAME_FRAME_BASED 0x11#define UVC_VS_FORMAT_STREAM_BASED 0x12
/* A.7. Video Class-Specific Endpoint Descriptor Subtypes */#define UVC_EP_UNDEFINED 0x00#define UVC_EP_GENERAL 0x01#define UVC_EP_ENDPOINT 0x02#define UVC_EP_INTERRUPT 0x03
/* A.8. Video Class-Specific Request Codes */#define UVC_RC_UNDEFINED 0x00#define UVC_SET_CUR 0x01#define UVC_GET_CUR 0x81#define UVC_GET_MIN 0x82#define UVC_GET_MAX 0x83#define UVC_GET_RES 0x84#define UVC_GET_LEN 0x85#define UVC_GET_INFO 0x86#define UVC_GET_DEF 0x87
/* A.9.1. VideoControl Interface Control Selectors */#define UVC_VC_CONTROL_UNDEFINED 0x00#define UVC_VC_VIDEO_POWER_MODE_CONTROL 0x01#define UVC_VC_REQUEST_ERROR_CODE_CONTROL 0x02
/* A.9.2. Terminal Control Selectors */#define UVC_TE_CONTROL_UNDEFINED 0x00
/* A.9.3. Selector Unit Control Selectors */#define UVC_SU_CONTROL_UNDEFINED 0x00#define UVC_SU_INPUT_SELECT_CONTROL 0x01
/* A.9.4. Camera Terminal Control Selectors */#define UVC_CT_CONTROL_UNDEFINED 0x00#define UVC_CT_SCANNING_MODE_CONTROL 0x01#define UVC_CT_AE_MODE_CONTROL 0x02#define UVC_CT_AE_PRIORITY_CONTROL 0x03#define UVC_CT_EXPOSURE_TIME_ABSOLUTE_CONTROL 0x04#define UVC_CT_EXPOSURE_TIME_RELATIVE_CONTROL 0x05#define UVC_CT_FOCUS_ABSOLUTE_CONTROL 0x06#define UVC_CT_FOCUS_RELATIVE_CONTROL 0x07#define UVC_CT_FOCUS_AUTO_CONTROL 0x08#define UVC_CT_IRIS_ABSOLUTE_CONTROL 0x09#define UVC_CT_IRIS_RELATIVE_CONTROL 0x0a#define UVC_CT_ZOOM_ABSOLUTE_CONTROL 0x0b#define UVC_CT_ZOOM_RELATIVE_CONTROL 0x0c#define UVC_CT_PANTILT_ABSOLUTE_CONTROL 0x0d#define UVC_CT_PANTILT_RELATIVE_CONTROL 0x0e#define UVC_CT_ROLL_ABSOLUTE_CONTROL 0x0f#define UVC_CT_ROLL_RELATIVE_CONTROL 0x10#define UVC_CT_PRIVACY_CONTROL 0x11#define UVC_CT_REGION_OF_INTEREST_CONTROL 0x14
/* A.9.5. Processing Unit Control Selectors */#define UVC_PU_CONTROL_UNDEFINED 0x00#define UVC_PU_BACKLIGHT_COMPENSATION_CONTROL 0x01#define UVC_PU_BRIGHTNESS_CONTROL 0x02#define UVC_PU_CONTRAST_CONTROL 0x03#define UVC_PU_GAIN_CONTROL 0x04#define UVC_PU_POWER_LINE_FREQUENCY_CONTROL 0x05#define UVC_PU_HUE_CONTROL 0x06#define UVC_PU_SATURATION_CONTROL 0x07#define UVC_PU_SHARPNESS_CONTROL 0x08#define UVC_PU_GAMMA_CONTROL 0x09#define UVC_PU_WHITE_BALANCE_TEMPERATURE_CONTROL 0x0a#define UVC_PU_WHITE_BALANCE_TEMPERATURE_AUTO_CONTROL 0x0b#define UVC_PU_WHITE_BALANCE_COMPONENT_CONTROL 0x0c#define UVC_PU_WHITE_BALANCE_COMPONENT_AUTO_CONTROL 0x0d#define UVC_PU_DIGITAL_MULTIPLIER_CONTROL 0x0e#define UVC_PU_DIGITAL_MULTIPLIER_LIMIT_CONTROL 0x0f#define UVC_PU_HUE_AUTO_CONTROL 0x10#define UVC_PU_ANALOG_VIDEO_STANDARD_CONTROL 0x11#define UVC_PU_ANALOG_LOCK_STATUS_CONTROL 0x12
/* A.9.7. VideoStreaming Interface Control Selectors */#define UVC_VS_CONTROL_UNDEFINED 0x00#define UVC_VS_PROBE_CONTROL 0x01#define UVC_VS_COMMIT_CONTROL 0x02#define UVC_VS_STILL_PROBE_CONTROL 0x03#define UVC_VS_STILL_COMMIT_CONTROL 0x04#define UVC_VS_STILL_IMAGE_TRIGGER_CONTROL 0x05#define UVC_VS_STREAM_ERROR_CODE_CONTROL 0x06#define UVC_VS_GENERATE_KEY_FRAME_CONTROL 0x07#define UVC_VS_UPDATE_FRAME_SEGMENT_CONTROL 0x08#define UVC_VS_SYNC_DELAY_CONTROL 0x09
/* B.1. USB Terminal Types */#define UVC_TT_VENDOR_SPECIFIC 0x0100#define UVC_TT_STREAMING 0x0101
/* B.2. Input Terminal Types */#define UVC_ITT_VENDOR_SPECIFIC 0x0200#define UVC_ITT_CAMERA 0x0201#define UVC_ITT_MEDIA_TRANSPORT_INPUT 0x0202
/* B.3. Output Terminal Types */#define UVC_OTT_VENDOR_SPECIFIC 0x0300#define UVC_OTT_DISPLAY 0x0301#define UVC_OTT_MEDIA_TRANSPORT_OUTPUT 0x0302
/* B.4. External Terminal Types */#define UVC_EXTERNAL_VENDOR_SPECIFIC 0x0400#define UVC_COMPOSITE_CONNECTOR 0x0401#define UVC_SVIDEO_CONNECTOR 0x0402#define UVC_COMPONENT_CONNECTOR 0x0403
/* 2.4.2.2. Status Packet Type */#define UVC_STATUS_TYPE_CONTROL 1#define UVC_STATUS_TYPE_STREAMING 2
/* 2.4.3.3. Payload Header Information */#define UVC_STREAM_EOH (1 << 7)#define UVC_STREAM_ERR (1 << 6)#define UVC_STREAM_STI (1 << 5)#define UVC_STREAM_RES (1 << 4)#define UVC_STREAM_SCR (1 << 3)#define UVC_STREAM_PTS (1 << 2)#define UVC_STREAM_EOF (1 << 1)#define UVC_STREAM_FID (1 << 0)
/* 4.1.2. Control Capabilities */#define UVC_CONTROL_CAP_GET (1 << 0)#define UVC_CONTROL_CAP_SET (1 << 1)#define UVC_CONTROL_CAP_DISABLED (1 << 2)#define UVC_CONTROL_CAP_AUTOUPDATE (1 << 3)#define UVC_CONTROL_CAP_ASYNCHRONOUS (1 << 4)
/* 3.9.2.6 Color Matching Descriptor Values */enum uvc_color_primaries_values { UVC_COLOR_PRIMARIES_UNSPECIFIED, UVC_COLOR_PRIMARIES_BT_709_SRGB, UVC_COLOR_PRIMARIES_BT_470_2_M, UVC_COLOR_PRIMARIES_BT_470_2_B_G, UVC_COLOR_PRIMARIES_SMPTE_170M, UVC_COLOR_PRIMARIES_SMPTE_240M,};
enum uvc_transfer_characteristics_values { UVC_TRANSFER_CHARACTERISTICS_UNSPECIFIED, UVC_TRANSFER_CHARACTERISTICS_BT_709, UVC_TRANSFER_CHARACTERISTICS_BT_470_2_M, UVC_TRANSFER_CHARACTERISTICS_BT_470_2_B_G, UVC_TRANSFER_CHARACTERISTICS_SMPTE_170M, UVC_TRANSFER_CHARACTERISTICS_SMPTE_240M, UVC_TRANSFER_CHARACTERISTICS_LINEAR, UVC_TRANSFER_CHARACTERISTICS_SRGB,};
enum uvc_matrix_coefficients { UVC_MATRIX_COEFFICIENTS_UNSPECIFIED, UVC_MATRIX_COEFFICIENTS_BT_709, UVC_MATRIX_COEFFICIENTS_FCC, UVC_MATRIX_COEFFICIENTS_BT_470_2_B_G, UVC_MATRIX_COEFFICIENTS_SMPTE_170M, UVC_MATRIX_COEFFICIENTS_SMPTE_240M,};
/* ------------------------------------------------------------------------ * UVC structures */
/* All UVC descriptors have these 3 fields at the beginning */struct uvc_descriptor_header { __u8 bLength; __u8 bDescriptorType; __u8 bDescriptorSubType;} __attribute__((packed));
/* 3.7.2. Video Control Interface Header Descriptor */struct uvc_header_descriptor { __u8 bLength; __u8 bDescriptorType; __u8 bDescriptorSubType; __le16 bcdUVC; __le16 wTotalLength; __le32 dwClockFrequency; __u8 bInCollection; __u8 baInterfaceNr[];} __attribute__((__packed__));
#define UVC_DT_HEADER_SIZE(n) (12+(n))
#define UVC_HEADER_DESCRIPTOR(n) \ uvc_header_descriptor_##n
#define DECLARE_UVC_HEADER_DESCRIPTOR(n) \struct UVC_HEADER_DESCRIPTOR(n) { \ __u8 bLength; \ __u8 bDescriptorType; \ __u8 bDescriptorSubType; \ __le16 bcdUVC; \ __le16 wTotalLength; \ __le32 dwClockFrequency; \ __u8 bInCollection; \ __u8 baInterfaceNr[n]; \} __attribute__ ((packed))
/* 3.7.2.1. Input Terminal Descriptor */struct uvc_input_terminal_descriptor { __u8 bLength; __u8 bDescriptorType; __u8 bDescriptorSubType; __u8 bTerminalID; __le16 wTerminalType; __u8 bAssocTerminal; __u8 iTerminal;} __attribute__((__packed__));
#define UVC_DT_INPUT_TERMINAL_SIZE 8
/* 3.7.2.2. Output Terminal Descriptor */struct uvc_output_terminal_descriptor { __u8 bLength; __u8 bDescriptorType; __u8 bDescriptorSubType; __u8 bTerminalID; __le16 wTerminalType; __u8 bAssocTerminal; __u8 bSourceID; __u8 iTerminal;} __attribute__((__packed__));
#define UVC_DT_OUTPUT_TERMINAL_SIZE 9
/* 3.7.2.3. Camera Terminal Descriptor */struct uvc_camera_terminal_descriptor { __u8 bLength; __u8 bDescriptorType; __u8 bDescriptorSubType; __u8 bTerminalID; __le16 wTerminalType; __u8 bAssocTerminal; __u8 iTerminal; __le16 wObjectiveFocalLengthMin; __le16 wObjectiveFocalLengthMax; __le16 wOcularFocalLength; __u8 bControlSize; __u8 bmControls[3];} __attribute__((__packed__));
#define UVC_DT_CAMERA_TERMINAL_SIZE(n) (15+(n))
/* 3.7.2.4. Selector Unit Descriptor */struct uvc_selector_unit_descriptor { __u8 bLength; __u8 bDescriptorType; __u8 bDescriptorSubType; __u8 bUnitID; __u8 bNrInPins; __u8 baSourceID[0]; __u8 iSelector;} __attribute__((__packed__));
#define UVC_DT_SELECTOR_UNIT_SIZE(n) (6+(n))
#define UVC_SELECTOR_UNIT_DESCRIPTOR(n) \ uvc_selector_unit_descriptor_##n
#define DECLARE_UVC_SELECTOR_UNIT_DESCRIPTOR(n) \struct UVC_SELECTOR_UNIT_DESCRIPTOR(n) { \ __u8 bLength; \ __u8 bDescriptorType; \ __u8 bDescriptorSubType; \ __u8 bUnitID; \ __u8 bNrInPins; \ __u8 baSourceID[n]; \ __u8 iSelector; \} __attribute__ ((packed))
/* 3.7.2.5. Processing Unit Descriptor */struct uvc_processing_unit_descriptor { __u8 bLength; __u8 bDescriptorType; __u8 bDescriptorSubType; __u8 bUnitID; __u8 bSourceID; __le16 wMaxMultiplier; __u8 bControlSize; __u8 bmControls[2]; __u8 iProcessing; __u8 bmVideoStandards;} __attribute__((__packed__));
#define UVC_DT_PROCESSING_UNIT_SIZE(n) (10+(n))
/* 3.7.2.6. Extension Unit Descriptor */struct uvc_extension_unit_descriptor { __u8 bLength; __u8 bDescriptorType; __u8 bDescriptorSubType; __u8 bUnitID; __u8 guidExtensionCode[16]; __u8 bNumControls; __u8 bNrInPins; __u8 baSourceID[0]; __u8 bControlSize; __u8 bmControls[0]; __u8 iExtension;} __attribute__((__packed__));
#define UVC_DT_EXTENSION_UNIT_SIZE(p, n) (24+(p)+(n))
#define UVC_EXTENSION_UNIT_DESCRIPTOR(p, n) \ uvc_extension_unit_descriptor_##p_##n
#define DECLARE_UVC_EXTENSION_UNIT_DESCRIPTOR(p, n) \struct UVC_EXTENSION_UNIT_DESCRIPTOR(p, n) { \ __u8 bLength; \ __u8 bDescriptorType; \ __u8 bDescriptorSubType; \ __u8 bUnitID; \ __u8 guidExtensionCode[16]; \ __u8 bNumControls; \ __u8 bNrInPins; \ __u8 baSourceID[p]; \ __u8 bControlSize; \ __u8 bmControls[n]; \ __u8 iExtension; \} __attribute__ ((packed))
/* 3.8.2.2. Video Control Interrupt Endpoint Descriptor */struct uvc_control_endpoint_descriptor { __u8 bLength; __u8 bDescriptorType; __u8 bDescriptorSubType; __le16 wMaxTransferSize;} __attribute__((__packed__));
#define UVC_DT_CONTROL_ENDPOINT_SIZE 5
/* 3.9.2.1. Input Header Descriptor */struct uvc_input_header_descriptor { __u8 bLength; __u8 bDescriptorType; __u8 bDescriptorSubType; __u8 bNumFormats; __le16 wTotalLength; __u8 bEndpointAddress; __u8 bmInfo; __u8 bTerminalLink; __u8 bStillCaptureMethod; __u8 bTriggerSupport; __u8 bTriggerUsage; __u8 bControlSize; __u8 bmaControls[];} __attribute__((__packed__));
#define UVC_DT_INPUT_HEADER_SIZE(n, p) (13+(n*p))
#define UVC_INPUT_HEADER_DESCRIPTOR(n, p) \ uvc_input_header_descriptor_##n_##p
#define DECLARE_UVC_INPUT_HEADER_DESCRIPTOR(n, p) \struct UVC_INPUT_HEADER_DESCRIPTOR(n, p) { \ __u8 bLength; \ __u8 bDescriptorType; \ __u8 bDescriptorSubType; \ __u8 bNumFormats; \ __le16 wTotalLength; \ __u8 bEndpointAddress; \ __u8 bmInfo; \ __u8 bTerminalLink; \ __u8 bStillCaptureMethod; \ __u8 bTriggerSupport; \ __u8 bTriggerUsage; \ __u8 bControlSize; \ __u8 bmaControls[p][n]; \} __attribute__ ((packed))
/* 3.9.2.2. Output Header Descriptor */struct uvc_output_header_descriptor { __u8 bLength; __u8 bDescriptorType; __u8 bDescriptorSubType; __u8 bNumFormats; __le16 wTotalLength; __u8 bEndpointAddress; __u8 bTerminalLink; __u8 bControlSize; __u8 bmaControls[];} __attribute__((__packed__));
#define UVC_DT_OUTPUT_HEADER_SIZE(n, p) (9+(n*p))
#define UVC_OUTPUT_HEADER_DESCRIPTOR(n, p) \ uvc_output_header_descriptor_##n_##p
#define DECLARE_UVC_OUTPUT_HEADER_DESCRIPTOR(n, p) \struct UVC_OUTPUT_HEADER_DESCRIPTOR(n, p) { \ __u8 bLength; \ __u8 bDescriptorType; \ __u8 bDescriptorSubType; \ __u8 bNumFormats; \ __le16 wTotalLength; \ __u8 bEndpointAddress; \ __u8 bTerminalLink; \ __u8 bControlSize; \ __u8 bmaControls[p][n]; \} __attribute__ ((packed))
/* 3.9.2.6. Color matching descriptor */struct uvc_color_matching_descriptor { __u8 bLength; __u8 bDescriptorType; __u8 bDescriptorSubType; __u8 bColorPrimaries; __u8 bTransferCharacteristics; __u8 bMatrixCoefficients;} __attribute__((__packed__));
#define UVC_DT_COLOR_MATCHING_SIZE 6
/* 4.3.1.1. Video Probe and Commit Controls */struct uvc_streaming_control { __u16 bmHint; __u8 bFormatIndex; __u8 bFrameIndex; __u32 dwFrameInterval; __u16 wKeyFrameRate; __u16 wPFrameRate; __u16 wCompQuality; __u16 wCompWindowSize; __u16 wDelay; __u32 dwMaxVideoFrameSize; __u32 dwMaxPayloadTransferSize; __u32 dwClockFrequency; __u8 bmFramingInfo; __u8 bPreferedVersion; __u8 bMinVersion; __u8 bMaxVersion;} __attribute__((__packed__));
/* Uncompressed Payload - 3.1.1. Uncompressed Video Format Descriptor */struct uvc_format_uncompressed { __u8 bLength; __u8 bDescriptorType; __u8 bDescriptorSubType; __u8 bFormatIndex; __u8 bNumFrameDescriptors; __u8 guidFormat[16]; __u8 bBitsPerPixel; __u8 bDefaultFrameIndex; __u8 bAspectRatioX; __u8 bAspectRatioY; __u8 bmInterlaceFlags; __u8 bCopyProtect;} __attribute__((__packed__));
#define UVC_DT_FORMAT_UNCOMPRESSED_SIZE 27
/* Uncompressed Payload - 3.1.2. Uncompressed Video Frame Descriptor */struct uvc_frame_uncompressed { __u8 bLength; __u8 bDescriptorType; __u8 bDescriptorSubType; __u8 bFrameIndex; __u8 bmCapabilities; __le16 wWidth; __le16 wHeight; __le32 dwMinBitRate; __le32 dwMaxBitRate; __le32 dwMaxVideoFrameBufferSize; __le32 dwDefaultFrameInterval; __u8 bFrameIntervalType; __le32 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) { \ __u8 bLength; \ __u8 bDescriptorType; \ __u8 bDescriptorSubType; \ __u8 bFrameIndex; \ __u8 bmCapabilities; \ __le16 wWidth; \ __le16 wHeight; \ __le32 dwMinBitRate; \ __le32 dwMaxBitRate; \ __le32 dwMaxVideoFrameBufferSize; \ __le32 dwDefaultFrameInterval; \ __u8 bFrameIntervalType; \ __le32 dwFrameInterval[n]; \} __attribute__ ((packed))
/* MJPEG Payload - 3.1.1. MJPEG Video Format Descriptor */struct uvc_format_mjpeg { __u8 bLength; __u8 bDescriptorType; __u8 bDescriptorSubType; __u8 bFormatIndex; __u8 bNumFrameDescriptors; __u8 bmFlags; __u8 bDefaultFrameIndex; __u8 bAspectRatioX; __u8 bAspectRatioY; __u8 bmInterlaceFlags; __u8 bCopyProtect;} __attribute__((__packed__));
#define UVC_DT_FORMAT_MJPEG_SIZE 11
/* MJPEG Payload - 3.1.2. MJPEG Video Frame Descriptor */struct uvc_frame_mjpeg { __u8 bLength; __u8 bDescriptorType; __u8 bDescriptorSubType; __u8 bFrameIndex; __u8 bmCapabilities; __le16 wWidth; __le16 wHeight; __le32 dwMinBitRate; __le32 dwMaxBitRate; __le32 dwMaxVideoFrameBufferSize; __le32 dwDefaultFrameInterval; __u8 bFrameIntervalType; __le32 dwFrameInterval[];} __attribute__((__packed__));
#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) { \ __u8 bLength; \ __u8 bDescriptorType; \ __u8 bDescriptorSubType; \ __u8 bFrameIndex; \ __u8 bmCapabilities; \ __le16 wWidth; \ __le16 wHeight; \ __le32 dwMinBitRate; \ __le32 dwMaxBitRate; \ __le32 dwMaxVideoFrameBufferSize; \ __le32 dwDefaultFrameInterval; \ __u8 bFrameIntervalType; \ __le32 dwFrameInterval[n]; \} __attribute__ ((packed))
/* Frame Based Payload - 3.1.1. Frame Based Video Format Descriptor */struct uvc_format_framebased { __u8 bLength; __u8 bDescriptorType; __u8 bDescriptorSubType; __u8 bFormatIndex; __u8 bNumFrameDescriptors; __u8 guidFormat[16]; __u8 bBitsPerPixel; __u8 bDefaultFrameIndex; __u8 bAspectRatioX; __u8 bAspectRatioY; __u8 bmInterfaceFlags; __u8 bCopyProtect; __u8 bVariableSize;} __attribute__((__packed__));
#define UVC_DT_FORMAT_FRAMEBASED_SIZE 28
/* Frame Based Payload - 3.1.2. Frame Based Video Frame Descriptor */struct uvc_frame_framebased { __u8 bLength; __u8 bDescriptorType; __u8 bDescriptorSubType; __u8 bFrameIndex; __u8 bmCapabilities; __u16 wWidth; __u16 wHeight; __u32 dwMinBitRate; __u32 dwMaxBitRate; __u32 dwDefaultFrameInterval; __u8 bFrameIntervalType; __u32 dwBytesPerLine; __u32 dwFrameInterval[];} __attribute__((__packed__));
#define UVC_DT_FRAME_FRAMEBASED_SIZE(n) (26+4*(n))
#define UVC_FRAME_FRAMEBASED(n) \ uvc_frame_framebased_##n
#define DECLARE_UVC_FRAME_FRAMEBASED(n) \struct UVC_FRAME_FRAMEBASED(n) { \ __u8 bLength; \ __u8 bDescriptorType; \ __u8 bDescriptorSubType; \ __u8 bFrameIndex; \ __u8 bmCapabilities; \ __u16 wWidth; \ __u16 wHeight; \ __u32 dwMinBitRate; \ __u32 dwMaxBitRate; \ __u32 dwDefaultFrameInterval; \ __u8 bFrameIntervalType; \ __u32 dwBytesPerLine; \ __u32 dwFrameInterval[n]; \} __attribute__ ((packed))
#endif /* __LINUX_USB_VIDEO_H */