| /* |
| * USB Video Class definitions. |
| * |
| * Copyright (C) 2009 Laurent Pinchart <laurent.pinchart@skynet.be> |
| * |
| * This file holds USB constants and structures defined by the USB Device |
| * Class Definition for Video Devices. Unless otherwise stated, comments |
| * below reference relevant sections of the USB Video Class 1.1 specification |
| * available at |
| * |
| * http://www.usb.org/developers/devclass_docs/USB_Video_Class_1_1.zip |
| */ |
| |
| #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 |
| |
| /* 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 |
| |
| /* 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) |
| |
| /* ------------------------------------------------------------------------ |
| * 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; |
| __u16 bcdUVC; |
| __u16 wTotalLength; |
| __u32 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; \ |
| __u16 bcdUVC; \ |
| __u16 wTotalLength; \ |
| __u32 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; |
| __u16 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; |
| __u16 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; |
| __u16 wTerminalType; |
| __u8 bAssocTerminal; |
| __u8 iTerminal; |
| __u16 wObjectiveFocalLengthMin; |
| __u16 wObjectiveFocalLengthMax; |
| __u16 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; |
| __u16 wMaxMultiplier; |
| __u8 bControlSize; |
| __u8 bmControls[2]; |
| __u8 iProcessing; |
| } __attribute__((__packed__)); |
| |
| #define UVC_DT_PROCESSING_UNIT_SIZE(n) (9+(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; |
| __u16 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; |
| __u16 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; \ |
| __u16 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; |
| __u16 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; \ |
| __u16 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 bmInterfaceFlags; |
| __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; |
| __u16 wWidth; |
| __u16 wHeight; |
| __u32 dwMinBitRate; |
| __u32 dwMaxBitRate; |
| __u32 dwMaxVideoFrameBufferSize; |
| __u32 dwDefaultFrameInterval; |
| __u8 bFrameIntervalType; |
| __u32 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; \ |
| __u16 wWidth; \ |
| __u16 wHeight; \ |
| __u32 dwMinBitRate; \ |
| __u32 dwMaxBitRate; \ |
| __u32 dwMaxVideoFrameBufferSize; \ |
| __u32 dwDefaultFrameInterval; \ |
| __u8 bFrameIntervalType; \ |
| __u32 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 bmInterfaceFlags; |
| __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; |
| __u16 wWidth; |
| __u16 wHeight; |
| __u32 dwMinBitRate; |
| __u32 dwMaxBitRate; |
| __u32 dwMaxVideoFrameBufferSize; |
| __u32 dwDefaultFrameInterval; |
| __u8 bFrameIntervalType; |
| __u32 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; \ |
| __u16 wWidth; \ |
| __u16 wHeight; \ |
| __u32 dwMinBitRate; \ |
| __u32 dwMaxBitRate; \ |
| __u32 dwMaxVideoFrameBufferSize; \ |
| __u32 dwDefaultFrameInterval; \ |
| __u8 bFrameIntervalType; \ |
| __u32 dwFrameInterval[n]; \ |
| } __attribute__ ((packed)) |
| |
| #endif /* __LINUX_USB_VIDEO_H */ |
| |