The C and C++ Include Header Files

/usr/include/linux/usb/video.h


$ cat -n /usr/include/linux/usb/video.h

     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 Device
     8	 * Class Definition for Video Devices. Unless otherwise stated, comments
     9	 * below reference relevant sections of the USB Video Class 1.1 specification
    10	 * available at
    11	 *
    12	 * http://www.usb.org/developers/devclass_docs/USB_Video_Class_1_1.zip
    13	 */
    14	
    15	#ifndef __LINUX_USB_VIDEO_H
    16	#define __LINUX_USB_VIDEO_H
    17	
    18	#include <linux/types.h>
    19	
    20	/* --------------------------------------------------------------------------
    21	 * UVC constants
    22	 */
    23	
    24	/* A.2. Video Interface Subclass Codes */
    25	#define UVC_SC_UNDEFINED				0x00
    26	#define UVC_SC_VIDEOCONTROL				0x01
    27	#define UVC_SC_VIDEOSTREAMING				0x02
    28	#define UVC_SC_VIDEO_INTERFACE_COLLECTION		0x03
    29	
    30	/* A.3. Video Interface Protocol Codes */
    31	#define UVC_PC_PROTOCOL_UNDEFINED			0x00
    32	#define UVC_PC_PROTOCOL_15				0x01
    33	
    34	/* A.5. Video Class-Specific VC Interface Descriptor Subtypes */
    35	#define UVC_VC_DESCRIPTOR_UNDEFINED			0x00
    36	#define UVC_VC_HEADER					0x01
    37	#define UVC_VC_INPUT_TERMINAL				0x02
    38	#define UVC_VC_OUTPUT_TERMINAL				0x03
    39	#define UVC_VC_SELECTOR_UNIT				0x04
    40	#define UVC_VC_PROCESSING_UNIT				0x05
    41	#define UVC_VC_EXTENSION_UNIT				0x06
    42	
    43	/* A.6. Video Class-Specific VS Interface Descriptor Subtypes */
    44	#define UVC_VS_UNDEFINED				0x00
    45	#define UVC_VS_INPUT_HEADER				0x01
    46	#define UVC_VS_OUTPUT_HEADER				0x02
    47	#define UVC_VS_STILL_IMAGE_FRAME			0x03
    48	#define UVC_VS_FORMAT_UNCOMPRESSED			0x04
    49	#define UVC_VS_FRAME_UNCOMPRESSED			0x05
    50	#define UVC_VS_FORMAT_MJPEG				0x06
    51	#define UVC_VS_FRAME_MJPEG				0x07
    52	#define UVC_VS_FORMAT_MPEG2TS				0x0a
    53	#define UVC_VS_FORMAT_DV				0x0c
    54	#define UVC_VS_COLORFORMAT				0x0d
    55	#define UVC_VS_FORMAT_FRAME_BASED			0x10
    56	#define UVC_VS_FRAME_FRAME_BASED			0x11
    57	#define UVC_VS_FORMAT_STREAM_BASED			0x12
    58	
    59	/* A.7. Video Class-Specific Endpoint Descriptor Subtypes */
    60	#define UVC_EP_UNDEFINED				0x00
    61	#define UVC_EP_GENERAL					0x01
    62	#define UVC_EP_ENDPOINT					0x02
    63	#define UVC_EP_INTERRUPT				0x03
    64	
    65	/* A.8. Video Class-Specific Request Codes */
    66	#define UVC_RC_UNDEFINED				0x00
    67	#define UVC_SET_CUR					0x01
    68	#define UVC_GET_CUR					0x81
    69	#define UVC_GET_MIN					0x82
    70	#define UVC_GET_MAX					0x83
    71	#define UVC_GET_RES					0x84
    72	#define UVC_GET_LEN					0x85
    73	#define UVC_GET_INFO					0x86
    74	#define UVC_GET_DEF					0x87
    75	
    76	/* A.9.1. VideoControl Interface Control Selectors */
    77	#define UVC_VC_CONTROL_UNDEFINED			0x00
    78	#define UVC_VC_VIDEO_POWER_MODE_CONTROL			0x01
    79	#define UVC_VC_REQUEST_ERROR_CODE_CONTROL		0x02
    80	
    81	/* A.9.2. Terminal Control Selectors */
    82	#define UVC_TE_CONTROL_UNDEFINED			0x00
    83	
    84	/* A.9.3. Selector Unit Control Selectors */
    85	#define UVC_SU_CONTROL_UNDEFINED			0x00
    86	#define UVC_SU_INPUT_SELECT_CONTROL			0x01
    87	
    88	/* A.9.4. Camera Terminal Control Selectors */
    89	#define UVC_CT_CONTROL_UNDEFINED			0x00
    90	#define UVC_CT_SCANNING_MODE_CONTROL			0x01
    91	#define UVC_CT_AE_MODE_CONTROL				0x02
    92	#define UVC_CT_AE_PRIORITY_CONTROL			0x03
    93	#define UVC_CT_EXPOSURE_TIME_ABSOLUTE_CONTROL		0x04
    94	#define UVC_CT_EXPOSURE_TIME_RELATIVE_CONTROL		0x05
    95	#define UVC_CT_FOCUS_ABSOLUTE_CONTROL			0x06
    96	#define UVC_CT_FOCUS_RELATIVE_CONTROL			0x07
    97	#define UVC_CT_FOCUS_AUTO_CONTROL			0x08
    98	#define UVC_CT_IRIS_ABSOLUTE_CONTROL			0x09
    99	#define UVC_CT_IRIS_RELATIVE_CONTROL			0x0a
   100	#define UVC_CT_ZOOM_ABSOLUTE_CONTROL			0x0b
   101	#define UVC_CT_ZOOM_RELATIVE_CONTROL			0x0c
   102	#define UVC_CT_PANTILT_ABSOLUTE_CONTROL			0x0d
   103	#define UVC_CT_PANTILT_RELATIVE_CONTROL			0x0e
   104	#define UVC_CT_ROLL_ABSOLUTE_CONTROL			0x0f
   105	#define UVC_CT_ROLL_RELATIVE_CONTROL			0x10
   106	#define UVC_CT_PRIVACY_CONTROL				0x11
   107	
   108	/* A.9.5. Processing Unit Control Selectors */
   109	#define UVC_PU_CONTROL_UNDEFINED			0x00
   110	#define UVC_PU_BACKLIGHT_COMPENSATION_CONTROL		0x01
   111	#define UVC_PU_BRIGHTNESS_CONTROL			0x02
   112	#define UVC_PU_CONTRAST_CONTROL				0x03
   113	#define UVC_PU_GAIN_CONTROL				0x04
   114	#define UVC_PU_POWER_LINE_FREQUENCY_CONTROL		0x05
   115	#define UVC_PU_HUE_CONTROL				0x06
   116	#define UVC_PU_SATURATION_CONTROL			0x07
   117	#define UVC_PU_SHARPNESS_CONTROL			0x08
   118	#define UVC_PU_GAMMA_CONTROL				0x09
   119	#define UVC_PU_WHITE_BALANCE_TEMPERATURE_CONTROL	0x0a
   120	#define UVC_PU_WHITE_BALANCE_TEMPERATURE_AUTO_CONTROL	0x0b
   121	#define UVC_PU_WHITE_BALANCE_COMPONENT_CONTROL		0x0c
   122	#define UVC_PU_WHITE_BALANCE_COMPONENT_AUTO_CONTROL	0x0d
   123	#define UVC_PU_DIGITAL_MULTIPLIER_CONTROL		0x0e
   124	#define UVC_PU_DIGITAL_MULTIPLIER_LIMIT_CONTROL		0x0f
   125	#define UVC_PU_HUE_AUTO_CONTROL				0x10
   126	#define UVC_PU_ANALOG_VIDEO_STANDARD_CONTROL		0x11
   127	#define UVC_PU_ANALOG_LOCK_STATUS_CONTROL		0x12
   128	
   129	/* A.9.7. VideoStreaming Interface Control Selectors */
   130	#define UVC_VS_CONTROL_UNDEFINED			0x00
   131	#define UVC_VS_PROBE_CONTROL				0x01
   132	#define UVC_VS_COMMIT_CONTROL				0x02
   133	#define UVC_VS_STILL_PROBE_CONTROL			0x03
   134	#define UVC_VS_STILL_COMMIT_CONTROL			0x04
   135	#define UVC_VS_STILL_IMAGE_TRIGGER_CONTROL		0x05
   136	#define UVC_VS_STREAM_ERROR_CODE_CONTROL		0x06
   137	#define UVC_VS_GENERATE_KEY_FRAME_CONTROL		0x07
   138	#define UVC_VS_UPDATE_FRAME_SEGMENT_CONTROL		0x08
   139	#define UVC_VS_SYNC_DELAY_CONTROL			0x09
   140	
   141	/* B.1. USB Terminal Types */
   142	#define UVC_TT_VENDOR_SPECIFIC				0x0100
   143	#define UVC_TT_STREAMING				0x0101
   144	
   145	/* B.2. Input Terminal Types */
   146	#define UVC_ITT_VENDOR_SPECIFIC				0x0200
   147	#define UVC_ITT_CAMERA					0x0201
   148	#define UVC_ITT_MEDIA_TRANSPORT_INPUT			0x0202
   149	
   150	/* B.3. Output Terminal Types */
   151	#define UVC_OTT_VENDOR_SPECIFIC				0x0300
   152	#define UVC_OTT_DISPLAY					0x0301
   153	#define UVC_OTT_MEDIA_TRANSPORT_OUTPUT			0x0302
   154	
   155	/* B.4. External Terminal Types */
   156	#define UVC_EXTERNAL_VENDOR_SPECIFIC			0x0400
   157	#define UVC_COMPOSITE_CONNECTOR				0x0401
   158	#define UVC_SVIDEO_CONNECTOR				0x0402
   159	#define UVC_COMPONENT_CONNECTOR				0x0403
   160	
   161	/* 2.4.2.2. Status Packet Type */
   162	#define UVC_STATUS_TYPE_CONTROL				1
   163	#define UVC_STATUS_TYPE_STREAMING			2
   164	
   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 */
   183	enum 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	
   192	enum 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	
   203	enum 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 structures
   214	 */
   215	
   216	/* All UVC descriptors have these 3 fields at the beginning */
   217	struct 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 */
   224	struct 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_##n
   239	
   240	#define DECLARE_UVC_HEADER_DESCRIPTOR(n)		\
   241	struct 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 */
   253	struct 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			8
   264	
   265	/* 3.7.2.2. Output Terminal Descriptor */
   266	struct 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			9
   278	
   279	/* 3.7.2.3. Camera Terminal Descriptor */
   280	struct 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 */
   298	struct 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_##n
   312	
   313	#define DECLARE_UVC_SELECTOR_UNIT_DESCRIPTOR(n)	\
   314	struct 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 */
   325	struct 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 */
   341	struct 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_##n
   359	
   360	#define DECLARE_UVC_EXTENSION_UNIT_DESCRIPTOR(p, n)	\
   361	struct 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 */
   376	struct 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			5
   384	
   385	/* 3.9.2.1. Input Header Descriptor */
   386	struct 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_##p
   406	
   407	#define DECLARE_UVC_INPUT_HEADER_DESCRIPTOR(n, p)	\
   408	struct 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 */
   425	struct 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_##p
   441	
   442	#define DECLARE_UVC_OUTPUT_HEADER_DESCRIPTOR(n, p)	\
   443	struct 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 */
   456	struct 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			6
   466	
   467	/* 4.3.1.1. Video Probe and Commit Controls */
   468	struct 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 */
   488	struct 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			27
   504	
   505	/* Uncompressed Payload - 3.1.2. Uncompressed Video Frame Descriptor */
   506	struct 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_##n
   526	
   527	#define DECLARE_UVC_FRAME_UNCOMPRESSED(n)		\
   528	struct 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 */
   545	struct 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			11
   560	
   561	/* MJPEG Payload - 3.1.2. MJPEG Video Frame Descriptor */
   562	struct 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_##n
   582	
   583	#define DECLARE_UVC_FRAME_MJPEG(n)			\
   584	struct 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