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1/* SPDX-License-Identifier: GPL-2.0 WITH Linux-syscall-note */2/*3 * USB Video Class definitions.4 *5 * Copyright (C) 2009 Laurent Pinchart <laurent.pinchart@skynet.be>6 *7 * This file holds USB constants and structures defined by the USB Device8 * Class Definition for Video Devices. Unless otherwise stated, comments9 * below reference relevant sections of the USB Video Class 1.1 specification10 * available at11 *12 * http://www.usb.org/developers/devclass_docs/USB_Video_Class_1_1.zip13 */14 15#ifndef __LINUX_USB_VIDEO_H16#define __LINUX_USB_VIDEO_H17 18#include <linux/types.h>19 20/* --------------------------------------------------------------------------21 * UVC constants22 */23 24/* A.2. Video Interface Subclass Codes */25#define UVC_SC_UNDEFINED 0x0026#define UVC_SC_VIDEOCONTROL 0x0127#define UVC_SC_VIDEOSTREAMING 0x0228#define UVC_SC_VIDEO_INTERFACE_COLLECTION 0x0329 30/* A.3. Video Interface Protocol Codes */31#define UVC_PC_PROTOCOL_UNDEFINED 0x0032#define UVC_PC_PROTOCOL_15 0x0133 34/* A.5. Video Class-Specific VC Interface Descriptor Subtypes */35#define UVC_VC_DESCRIPTOR_UNDEFINED 0x0036#define UVC_VC_HEADER 0x0137#define UVC_VC_INPUT_TERMINAL 0x0238#define UVC_VC_OUTPUT_TERMINAL 0x0339#define UVC_VC_SELECTOR_UNIT 0x0440#define UVC_VC_PROCESSING_UNIT 0x0541#define UVC_VC_EXTENSION_UNIT 0x0642 43/* A.6. Video Class-Specific VS Interface Descriptor Subtypes */44#define UVC_VS_UNDEFINED 0x0045#define UVC_VS_INPUT_HEADER 0x0146#define UVC_VS_OUTPUT_HEADER 0x0247#define UVC_VS_STILL_IMAGE_FRAME 0x0348#define UVC_VS_FORMAT_UNCOMPRESSED 0x0449#define UVC_VS_FRAME_UNCOMPRESSED 0x0550#define UVC_VS_FORMAT_MJPEG 0x0651#define UVC_VS_FRAME_MJPEG 0x0752#define UVC_VS_FORMAT_MPEG2TS 0x0a53#define UVC_VS_FORMAT_DV 0x0c54#define UVC_VS_COLORFORMAT 0x0d55#define UVC_VS_FORMAT_FRAME_BASED 0x1056#define UVC_VS_FRAME_FRAME_BASED 0x1157#define UVC_VS_FORMAT_STREAM_BASED 0x1258 59/* A.7. Video Class-Specific Endpoint Descriptor Subtypes */60#define UVC_EP_UNDEFINED 0x0061#define UVC_EP_GENERAL 0x0162#define UVC_EP_ENDPOINT 0x0263#define UVC_EP_INTERRUPT 0x0364 65/* A.8. Video Class-Specific Request Codes */66#define UVC_RC_UNDEFINED 0x0067#define UVC_SET_CUR 0x0168#define UVC_GET_CUR 0x8169#define UVC_GET_MIN 0x8270#define UVC_GET_MAX 0x8371#define UVC_GET_RES 0x8472#define UVC_GET_LEN 0x8573#define UVC_GET_INFO 0x8674#define UVC_GET_DEF 0x8775 76/* A.9.1. VideoControl Interface Control Selectors */77#define UVC_VC_CONTROL_UNDEFINED 0x0078#define UVC_VC_VIDEO_POWER_MODE_CONTROL 0x0179#define UVC_VC_REQUEST_ERROR_CODE_CONTROL 0x0280 81/* A.9.2. Terminal Control Selectors */82#define UVC_TE_CONTROL_UNDEFINED 0x0083 84/* A.9.3. Selector Unit Control Selectors */85#define UVC_SU_CONTROL_UNDEFINED 0x0086#define UVC_SU_INPUT_SELECT_CONTROL 0x0187 88/* A.9.4. Camera Terminal Control Selectors */89#define UVC_CT_CONTROL_UNDEFINED 0x0090#define UVC_CT_SCANNING_MODE_CONTROL 0x0191#define UVC_CT_AE_MODE_CONTROL 0x0292#define UVC_CT_AE_PRIORITY_CONTROL 0x0393#define UVC_CT_EXPOSURE_TIME_ABSOLUTE_CONTROL 0x0494#define UVC_CT_EXPOSURE_TIME_RELATIVE_CONTROL 0x0595#define UVC_CT_FOCUS_ABSOLUTE_CONTROL 0x0696#define UVC_CT_FOCUS_RELATIVE_CONTROL 0x0797#define UVC_CT_FOCUS_AUTO_CONTROL 0x0898#define UVC_CT_IRIS_ABSOLUTE_CONTROL 0x0999#define UVC_CT_IRIS_RELATIVE_CONTROL 0x0a100#define UVC_CT_ZOOM_ABSOLUTE_CONTROL 0x0b101#define UVC_CT_ZOOM_RELATIVE_CONTROL 0x0c102#define UVC_CT_PANTILT_ABSOLUTE_CONTROL 0x0d103#define UVC_CT_PANTILT_RELATIVE_CONTROL 0x0e104#define UVC_CT_ROLL_ABSOLUTE_CONTROL 0x0f105#define UVC_CT_ROLL_RELATIVE_CONTROL 0x10106#define UVC_CT_PRIVACY_CONTROL 0x11107 108/* A.9.5. Processing Unit Control Selectors */109#define UVC_PU_CONTROL_UNDEFINED 0x00110#define UVC_PU_BACKLIGHT_COMPENSATION_CONTROL 0x01111#define UVC_PU_BRIGHTNESS_CONTROL 0x02112#define UVC_PU_CONTRAST_CONTROL 0x03113#define UVC_PU_GAIN_CONTROL 0x04114#define UVC_PU_POWER_LINE_FREQUENCY_CONTROL 0x05115#define UVC_PU_HUE_CONTROL 0x06116#define UVC_PU_SATURATION_CONTROL 0x07117#define UVC_PU_SHARPNESS_CONTROL 0x08118#define UVC_PU_GAMMA_CONTROL 0x09119#define UVC_PU_WHITE_BALANCE_TEMPERATURE_CONTROL 0x0a120#define UVC_PU_WHITE_BALANCE_TEMPERATURE_AUTO_CONTROL 0x0b121#define UVC_PU_WHITE_BALANCE_COMPONENT_CONTROL 0x0c122#define UVC_PU_WHITE_BALANCE_COMPONENT_AUTO_CONTROL 0x0d123#define UVC_PU_DIGITAL_MULTIPLIER_CONTROL 0x0e124#define UVC_PU_DIGITAL_MULTIPLIER_LIMIT_CONTROL 0x0f125#define UVC_PU_HUE_AUTO_CONTROL 0x10126#define UVC_PU_ANALOG_VIDEO_STANDARD_CONTROL 0x11127#define UVC_PU_ANALOG_LOCK_STATUS_CONTROL 0x12128 129/* A.9.7. VideoStreaming Interface Control Selectors */130#define UVC_VS_CONTROL_UNDEFINED 0x00131#define UVC_VS_PROBE_CONTROL 0x01132#define UVC_VS_COMMIT_CONTROL 0x02133#define UVC_VS_STILL_PROBE_CONTROL 0x03134#define UVC_VS_STILL_COMMIT_CONTROL 0x04135#define UVC_VS_STILL_IMAGE_TRIGGER_CONTROL 0x05136#define UVC_VS_STREAM_ERROR_CODE_CONTROL 0x06137#define UVC_VS_GENERATE_KEY_FRAME_CONTROL 0x07138#define UVC_VS_UPDATE_FRAME_SEGMENT_CONTROL 0x08139#define UVC_VS_SYNC_DELAY_CONTROL 0x09140 141/* B.1. USB Terminal Types */142#define UVC_TT_VENDOR_SPECIFIC 0x0100143#define UVC_TT_STREAMING 0x0101144 145/* B.2. Input Terminal Types */146#define UVC_ITT_VENDOR_SPECIFIC 0x0200147#define UVC_ITT_CAMERA 0x0201148#define UVC_ITT_MEDIA_TRANSPORT_INPUT 0x0202149 150/* B.3. Output Terminal Types */151#define UVC_OTT_VENDOR_SPECIFIC 0x0300152#define UVC_OTT_DISPLAY 0x0301153#define UVC_OTT_MEDIA_TRANSPORT_OUTPUT 0x0302154 155/* B.4. External Terminal Types */156#define UVC_EXTERNAL_VENDOR_SPECIFIC 0x0400157#define UVC_COMPOSITE_CONNECTOR 0x0401158#define UVC_SVIDEO_CONNECTOR 0x0402159#define UVC_COMPONENT_CONNECTOR 0x0403160 161/* 2.4.2.2. Status Packet Type */162#define UVC_STATUS_TYPE_CONTROL 1163#define UVC_STATUS_TYPE_STREAMING 2164 165/* 2.4.3.3. Payload Header Information */166#define UVC_STREAM_EOH (1 << 7)167#define UVC_STREAM_ERR (1 << 6)168#define UVC_STREAM_STI (1 << 5)169#define UVC_STREAM_RES (1 << 4)170#define UVC_STREAM_SCR (1 << 3)171#define UVC_STREAM_PTS (1 << 2)172#define UVC_STREAM_EOF (1 << 1)173#define UVC_STREAM_FID (1 << 0)174 175/* 4.1.2. Control Capabilities */176#define UVC_CONTROL_CAP_GET (1 << 0)177#define UVC_CONTROL_CAP_SET (1 << 1)178#define UVC_CONTROL_CAP_DISABLED (1 << 2)179#define UVC_CONTROL_CAP_AUTOUPDATE (1 << 3)180#define UVC_CONTROL_CAP_ASYNCHRONOUS (1 << 4)181 182/* 3.9.2.6 Color Matching Descriptor Values */183enum uvc_color_primaries_values {184 UVC_COLOR_PRIMARIES_UNSPECIFIED,185 UVC_COLOR_PRIMARIES_BT_709_SRGB,186 UVC_COLOR_PRIMARIES_BT_470_2_M,187 UVC_COLOR_PRIMARIES_BT_470_2_B_G,188 UVC_COLOR_PRIMARIES_SMPTE_170M,189 UVC_COLOR_PRIMARIES_SMPTE_240M,190};191 192enum uvc_transfer_characteristics_values {193 UVC_TRANSFER_CHARACTERISTICS_UNSPECIFIED,194 UVC_TRANSFER_CHARACTERISTICS_BT_709,195 UVC_TRANSFER_CHARACTERISTICS_BT_470_2_M,196 UVC_TRANSFER_CHARACTERISTICS_BT_470_2_B_G,197 UVC_TRANSFER_CHARACTERISTICS_SMPTE_170M,198 UVC_TRANSFER_CHARACTERISTICS_SMPTE_240M,199 UVC_TRANSFER_CHARACTERISTICS_LINEAR,200 UVC_TRANSFER_CHARACTERISTICS_SRGB,201};202 203enum uvc_matrix_coefficients {204 UVC_MATRIX_COEFFICIENTS_UNSPECIFIED,205 UVC_MATRIX_COEFFICIENTS_BT_709,206 UVC_MATRIX_COEFFICIENTS_FCC,207 UVC_MATRIX_COEFFICIENTS_BT_470_2_B_G,208 UVC_MATRIX_COEFFICIENTS_SMPTE_170M,209 UVC_MATRIX_COEFFICIENTS_SMPTE_240M,210};211 212/* ------------------------------------------------------------------------213 * UVC structures214 */215 216/* All UVC descriptors have these 3 fields at the beginning */217struct uvc_descriptor_header {218 __u8 bLength;219 __u8 bDescriptorType;220 __u8 bDescriptorSubType;221} __attribute__((packed));222 223/* 3.7.2. Video Control Interface Header Descriptor */224struct uvc_header_descriptor {225 __u8 bLength;226 __u8 bDescriptorType;227 __u8 bDescriptorSubType;228 __le16 bcdUVC;229 __le16 wTotalLength;230 __le32 dwClockFrequency;231 __u8 bInCollection;232 __u8 baInterfaceNr[];233} __attribute__((__packed__));234 235#define UVC_DT_HEADER_SIZE(n) (12+(n))236 237#define UVC_HEADER_DESCRIPTOR(n) \238 uvc_header_descriptor_##n239 240#define DECLARE_UVC_HEADER_DESCRIPTOR(n) \241struct UVC_HEADER_DESCRIPTOR(n) { \242 __u8 bLength; \243 __u8 bDescriptorType; \244 __u8 bDescriptorSubType; \245 __le16 bcdUVC; \246 __le16 wTotalLength; \247 __le32 dwClockFrequency; \248 __u8 bInCollection; \249 __u8 baInterfaceNr[n]; \250} __attribute__ ((packed))251 252/* 3.7.2.1. Input Terminal Descriptor */253struct uvc_input_terminal_descriptor {254 __u8 bLength;255 __u8 bDescriptorType;256 __u8 bDescriptorSubType;257 __u8 bTerminalID;258 __le16 wTerminalType;259 __u8 bAssocTerminal;260 __u8 iTerminal;261} __attribute__((__packed__));262 263#define UVC_DT_INPUT_TERMINAL_SIZE 8264 265/* 3.7.2.2. Output Terminal Descriptor */266struct uvc_output_terminal_descriptor {267 __u8 bLength;268 __u8 bDescriptorType;269 __u8 bDescriptorSubType;270 __u8 bTerminalID;271 __le16 wTerminalType;272 __u8 bAssocTerminal;273 __u8 bSourceID;274 __u8 iTerminal;275} __attribute__((__packed__));276 277#define UVC_DT_OUTPUT_TERMINAL_SIZE 9278 279/* 3.7.2.3. Camera Terminal Descriptor */280struct uvc_camera_terminal_descriptor {281 __u8 bLength;282 __u8 bDescriptorType;283 __u8 bDescriptorSubType;284 __u8 bTerminalID;285 __le16 wTerminalType;286 __u8 bAssocTerminal;287 __u8 iTerminal;288 __le16 wObjectiveFocalLengthMin;289 __le16 wObjectiveFocalLengthMax;290 __le16 wOcularFocalLength;291 __u8 bControlSize;292 __u8 bmControls[3];293} __attribute__((__packed__));294 295#define UVC_DT_CAMERA_TERMINAL_SIZE(n) (15+(n))296 297/* 3.7.2.4. Selector Unit Descriptor */298struct uvc_selector_unit_descriptor {299 __u8 bLength;300 __u8 bDescriptorType;301 __u8 bDescriptorSubType;302 __u8 bUnitID;303 __u8 bNrInPins;304 __u8 baSourceID[0];305 __u8 iSelector;306} __attribute__((__packed__));307 308#define UVC_DT_SELECTOR_UNIT_SIZE(n) (6+(n))309 310#define UVC_SELECTOR_UNIT_DESCRIPTOR(n) \311 uvc_selector_unit_descriptor_##n312 313#define DECLARE_UVC_SELECTOR_UNIT_DESCRIPTOR(n) \314struct UVC_SELECTOR_UNIT_DESCRIPTOR(n) { \315 __u8 bLength; \316 __u8 bDescriptorType; \317 __u8 bDescriptorSubType; \318 __u8 bUnitID; \319 __u8 bNrInPins; \320 __u8 baSourceID[n]; \321 __u8 iSelector; \322} __attribute__ ((packed))323 324/* 3.7.2.5. Processing Unit Descriptor */325struct uvc_processing_unit_descriptor {326 __u8 bLength;327 __u8 bDescriptorType;328 __u8 bDescriptorSubType;329 __u8 bUnitID;330 __u8 bSourceID;331 __le16 wMaxMultiplier;332 __u8 bControlSize;333 __u8 bmControls[2];334 __u8 iProcessing;335 __u8 bmVideoStandards;336} __attribute__((__packed__));337 338#define UVC_DT_PROCESSING_UNIT_SIZE(n) (10+(n))339 340/* 3.7.2.6. Extension Unit Descriptor */341struct uvc_extension_unit_descriptor {342 __u8 bLength;343 __u8 bDescriptorType;344 __u8 bDescriptorSubType;345 __u8 bUnitID;346 __u8 guidExtensionCode[16];347 __u8 bNumControls;348 __u8 bNrInPins;349 __u8 baSourceID[0];350 __u8 bControlSize;351 __u8 bmControls[0];352 __u8 iExtension;353} __attribute__((__packed__));354 355#define UVC_DT_EXTENSION_UNIT_SIZE(p, n) (24+(p)+(n))356 357#define UVC_EXTENSION_UNIT_DESCRIPTOR(p, n) \358 uvc_extension_unit_descriptor_##p_##n359 360#define DECLARE_UVC_EXTENSION_UNIT_DESCRIPTOR(p, n) \361struct UVC_EXTENSION_UNIT_DESCRIPTOR(p, n) { \362 __u8 bLength; \363 __u8 bDescriptorType; \364 __u8 bDescriptorSubType; \365 __u8 bUnitID; \366 __u8 guidExtensionCode[16]; \367 __u8 bNumControls; \368 __u8 bNrInPins; \369 __u8 baSourceID[p]; \370 __u8 bControlSize; \371 __u8 bmControls[n]; \372 __u8 iExtension; \373} __attribute__ ((packed))374 375/* 3.8.2.2. Video Control Interrupt Endpoint Descriptor */376struct uvc_control_endpoint_descriptor {377 __u8 bLength;378 __u8 bDescriptorType;379 __u8 bDescriptorSubType;380 __le16 wMaxTransferSize;381} __attribute__((__packed__));382 383#define UVC_DT_CONTROL_ENDPOINT_SIZE 5384 385/* 3.9.2.1. Input Header Descriptor */386struct uvc_input_header_descriptor {387 __u8 bLength;388 __u8 bDescriptorType;389 __u8 bDescriptorSubType;390 __u8 bNumFormats;391 __le16 wTotalLength;392 __u8 bEndpointAddress;393 __u8 bmInfo;394 __u8 bTerminalLink;395 __u8 bStillCaptureMethod;396 __u8 bTriggerSupport;397 __u8 bTriggerUsage;398 __u8 bControlSize;399 __u8 bmaControls[];400} __attribute__((__packed__));401 402#define UVC_DT_INPUT_HEADER_SIZE(n, p) (13+(n*p))403 404#define UVC_INPUT_HEADER_DESCRIPTOR(n, p) \405 uvc_input_header_descriptor_##n_##p406 407#define DECLARE_UVC_INPUT_HEADER_DESCRIPTOR(n, p) \408struct UVC_INPUT_HEADER_DESCRIPTOR(n, p) { \409 __u8 bLength; \410 __u8 bDescriptorType; \411 __u8 bDescriptorSubType; \412 __u8 bNumFormats; \413 __le16 wTotalLength; \414 __u8 bEndpointAddress; \415 __u8 bmInfo; \416 __u8 bTerminalLink; \417 __u8 bStillCaptureMethod; \418 __u8 bTriggerSupport; \419 __u8 bTriggerUsage; \420 __u8 bControlSize; \421 __u8 bmaControls[p][n]; \422} __attribute__ ((packed))423 424/* 3.9.2.2. Output Header Descriptor */425struct uvc_output_header_descriptor {426 __u8 bLength;427 __u8 bDescriptorType;428 __u8 bDescriptorSubType;429 __u8 bNumFormats;430 __le16 wTotalLength;431 __u8 bEndpointAddress;432 __u8 bTerminalLink;433 __u8 bControlSize;434 __u8 bmaControls[];435} __attribute__((__packed__));436 437#define UVC_DT_OUTPUT_HEADER_SIZE(n, p) (9+(n*p))438 439#define UVC_OUTPUT_HEADER_DESCRIPTOR(n, p) \440 uvc_output_header_descriptor_##n_##p441 442#define DECLARE_UVC_OUTPUT_HEADER_DESCRIPTOR(n, p) \443struct UVC_OUTPUT_HEADER_DESCRIPTOR(n, p) { \444 __u8 bLength; \445 __u8 bDescriptorType; \446 __u8 bDescriptorSubType; \447 __u8 bNumFormats; \448 __le16 wTotalLength; \449 __u8 bEndpointAddress; \450 __u8 bTerminalLink; \451 __u8 bControlSize; \452 __u8 bmaControls[p][n]; \453} __attribute__ ((packed))454 455/* 3.9.2.6. Color matching descriptor */456struct uvc_color_matching_descriptor {457 __u8 bLength;458 __u8 bDescriptorType;459 __u8 bDescriptorSubType;460 __u8 bColorPrimaries;461 __u8 bTransferCharacteristics;462 __u8 bMatrixCoefficients;463} __attribute__((__packed__));464 465#define UVC_DT_COLOR_MATCHING_SIZE 6466 467/* 4.3.1.1. Video Probe and Commit Controls */468struct uvc_streaming_control {469 __u16 bmHint;470 __u8 bFormatIndex;471 __u8 bFrameIndex;472 __u32 dwFrameInterval;473 __u16 wKeyFrameRate;474 __u16 wPFrameRate;475 __u16 wCompQuality;476 __u16 wCompWindowSize;477 __u16 wDelay;478 __u32 dwMaxVideoFrameSize;479 __u32 dwMaxPayloadTransferSize;480 __u32 dwClockFrequency;481 __u8 bmFramingInfo;482 __u8 bPreferedVersion;483 __u8 bMinVersion;484 __u8 bMaxVersion;485} __attribute__((__packed__));486 487/* Uncompressed Payload - 3.1.1. Uncompressed Video Format Descriptor */488struct uvc_format_uncompressed {489 __u8 bLength;490 __u8 bDescriptorType;491 __u8 bDescriptorSubType;492 __u8 bFormatIndex;493 __u8 bNumFrameDescriptors;494 __u8 guidFormat[16];495 __u8 bBitsPerPixel;496 __u8 bDefaultFrameIndex;497 __u8 bAspectRatioX;498 __u8 bAspectRatioY;499 __u8 bmInterlaceFlags;500 __u8 bCopyProtect;501} __attribute__((__packed__));502 503#define UVC_DT_FORMAT_UNCOMPRESSED_SIZE 27504 505/* Uncompressed Payload - 3.1.2. Uncompressed Video Frame Descriptor */506struct uvc_frame_uncompressed {507 __u8 bLength;508 __u8 bDescriptorType;509 __u8 bDescriptorSubType;510 __u8 bFrameIndex;511 __u8 bmCapabilities;512 __le16 wWidth;513 __le16 wHeight;514 __le32 dwMinBitRate;515 __le32 dwMaxBitRate;516 __le32 dwMaxVideoFrameBufferSize;517 __le32 dwDefaultFrameInterval;518 __u8 bFrameIntervalType;519 __le32 dwFrameInterval[];520} __attribute__((__packed__));521 522#define UVC_DT_FRAME_UNCOMPRESSED_SIZE(n) (26+4*(n))523 524#define UVC_FRAME_UNCOMPRESSED(n) \525 uvc_frame_uncompressed_##n526 527#define DECLARE_UVC_FRAME_UNCOMPRESSED(n) \528struct UVC_FRAME_UNCOMPRESSED(n) { \529 __u8 bLength; \530 __u8 bDescriptorType; \531 __u8 bDescriptorSubType; \532 __u8 bFrameIndex; \533 __u8 bmCapabilities; \534 __le16 wWidth; \535 __le16 wHeight; \536 __le32 dwMinBitRate; \537 __le32 dwMaxBitRate; \538 __le32 dwMaxVideoFrameBufferSize; \539 __le32 dwDefaultFrameInterval; \540 __u8 bFrameIntervalType; \541 __le32 dwFrameInterval[n]; \542} __attribute__ ((packed))543 544/* MJPEG Payload - 3.1.1. MJPEG Video Format Descriptor */545struct uvc_format_mjpeg {546 __u8 bLength;547 __u8 bDescriptorType;548 __u8 bDescriptorSubType;549 __u8 bFormatIndex;550 __u8 bNumFrameDescriptors;551 __u8 bmFlags;552 __u8 bDefaultFrameIndex;553 __u8 bAspectRatioX;554 __u8 bAspectRatioY;555 __u8 bmInterlaceFlags;556 __u8 bCopyProtect;557} __attribute__((__packed__));558 559#define UVC_DT_FORMAT_MJPEG_SIZE 11560 561/* MJPEG Payload - 3.1.2. MJPEG Video Frame Descriptor */562struct uvc_frame_mjpeg {563 __u8 bLength;564 __u8 bDescriptorType;565 __u8 bDescriptorSubType;566 __u8 bFrameIndex;567 __u8 bmCapabilities;568 __le16 wWidth;569 __le16 wHeight;570 __le32 dwMinBitRate;571 __le32 dwMaxBitRate;572 __le32 dwMaxVideoFrameBufferSize;573 __le32 dwDefaultFrameInterval;574 __u8 bFrameIntervalType;575 __le32 dwFrameInterval[];576} __attribute__((__packed__));577 578#define UVC_DT_FRAME_MJPEG_SIZE(n) (26+4*(n))579 580#define UVC_FRAME_MJPEG(n) \581 uvc_frame_mjpeg_##n582 583#define DECLARE_UVC_FRAME_MJPEG(n) \584struct UVC_FRAME_MJPEG(n) { \585 __u8 bLength; \586 __u8 bDescriptorType; \587 __u8 bDescriptorSubType; \588 __u8 bFrameIndex; \589 __u8 bmCapabilities; \590 __le16 wWidth; \591 __le16 wHeight; \592 __le32 dwMinBitRate; \593 __le32 dwMaxBitRate; \594 __le32 dwMaxVideoFrameBufferSize; \595 __le32 dwDefaultFrameInterval; \596 __u8 bFrameIntervalType; \597 __le32 dwFrameInterval[n]; \598} __attribute__ ((packed))599 600#endif /* __LINUX_USB_VIDEO_H */601 602