/* $NetBSD: uvideoreg.h,v 1.2 2008/09/20 18:17:56 jmcneill Exp $ */ /* * Copyright (c) 2008 Patrick Mahoney * All rights reserved. * * This code was written by Patrick Mahoney (pat@polycrystal.org) as * part of Google Summer of Code 2008. * * Redistribution and use in source and binary forms, with or without * modification, are permitted provided that the following conditions * are met: * 1. Redistributions of source code must retain the above copyright * notice, this list of conditions and the following disclaimer. * 2. Redistributions in binary form must reproduce the above copyright * notice, this list of conditions and the following disclaimer in the * documentation and/or other materials provided with the distribution. * 3. All advertising materials mentioning features or use of this software * must display the following acknowledgement: * This product includes software developed by the NetBSD * Foundation, Inc. and its contributors. * 4. Neither the name of The NetBSD Foundation nor the names of its * contributors may be used to endorse or promote products derived * from this software without specific prior written permission. * * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE * POSSIBILITY OF SUCH DAMAGE. */ #define UVIDEO_VERSION 0x001 /* This is the standard GUID / UUID. In USB, it comes in the usual * little-endian packed format. */ typedef struct { uDWord data1; uWord data2; uWord data3; uByte data4[8]; } UPACKED usb_guid_t; typedef struct { uint32_t data1; uint16_t data2; uint16_t data3; uint8_t data4[8]; } guid_t; #define GUID_LEN 16 /* * Video Control descriptors */ #define UDESC_VC_HEADER 0x01 #define UDESC_INPUT_TERMINAL 0x02 #define UDESC_OUTPUT_TERMINAL 0x03 #define UDESC_SELECTOR_UNIT 0x04 #define UDESC_PROCESSING_UNIT 0x05 #define UDESC_EXTENSION_UNIT 0x06 #define UDESC_VC_INTERRUPT_ENDPOINT 0x03 /* Terminal Types */ #define UVDIEO_TT_VENDOR_SPECIFIC 0x0100 #define UVIDEO_TT_STREAMING 0x0101 /* Input Terminal Types */ #define UVIDEO_ITT_VENDOR_SPECIFIC 0x0200 #define UVIDEO_ITT_CAMERA 0x0201 #define UVIDEO_ITT_MEDIA_TRANSPORT_INPUT 0x0202 /* Output Terminal Types */ #define UVIDEO_OTT_VENDOR_SPECIFIC 0x0300 #define UVIDEO_OTT_DISPLAY 0x0301 #define UVIDEO_OTT_MEDIA_TRANSPORT_OUTPUT 0x0302 /* generic descriptor with Subtype */ typedef struct { uByte bLength; uByte bDescriptorType; uByte bDescriptorSubtype; } uvideo_descriptor_t; /* Class-specific Video Control Interface Header Descriptor */ typedef struct { uByte bLength; uByte bDescriptorType; uByte bDescriptorSubtype; uWord bcdUVC; uWord wTotalLength; uDWord dwClockFrequency; uByte bInCollection; /* followed by n bytes where n is equal to value of bInCollection */ uByte baInterfaceNr[]; } UPACKED uvideo_vc_header_descriptor_t; /* Input Terminal Descriptor */ typedef struct { uByte bLength; uByte bDescriptorType; uByte bDescriptorSubtype; uByte bTerminalID; uWord wTerminalType; uByte bAssocTerminal; uByte iTerminal; /* possibly more, depending on Terminal type */ } UPACKED uvideo_input_terminal_descriptor_t; /* Output Terminal Descriptor */ typedef struct { uByte bLength; uByte bDescriptorType; uByte bDescriptorSubtype; uByte bTerminalID; uWord wTerminalType; uByte bAssocTerminal; uByte bSourceID; uByte iTerminal; } UPACKED uvideo_output_terminal_descriptor_t; /* Camera Terminal Descriptor */ typedef struct { uByte bLength; uByte bDescriptorType; uByte bDescriptorSubtype; /* UDESC_VC_INPUT_TERMINAL */ uByte bTerminalID; uWord wTerminalType; /* UVIDEO_ITT_CAMERA */ uByte bAssocTerminal; uByte iTerminal; uWord wObjectiveFocalLengthMin; uWord wObjectiveFocalLengthMax; uWord wOcularFocalLength; uByte bControlSize; uByte bmControls[]; } UPACKED uvideo_camera_terminal_descriptor_t; /* bmControls fields of uvideo_camera_terminal_descriptor_t */ #define UVIDEO_CAMERA_CONTROL_SCANNING_MODE (1<<0) #define UVIDEO_CAMERA_CONTROL_AUTO_EXPOSURE_MODE (1<<1) #define UVIDEO_CAMERA_CONTROL_AUTO_EXPOSURE_PRIO (1<<2) #define UVIDEO_CAMERA_CONTROL_EXPOSURE_TIME_ABSOLUTE (1<<3) #define UVIDEO_CAMERA_CONTROL_EXPOSURE_TIME_RELATIVE (1<<4) #define UVIDEO_CAMERA_CONTROL_FOCUS_ABSOLUTE (1<<5) #define UVIDEO_CAMERA_CONTROL_FOCUS_RELATIVE (1<<6) #define UVIDEO_CAMERA_CONTROL_IRIS_ABSOLUTE (1<<7) #define UVIDEO_CAMERA_CONTROL_IRIS_RELATIVE (1<<8) #define UVIDEO_CAMERA_CONTROL_ZOOM_ABSOLUTE (1<<9) #define UVIDEO_CAMERA_CONTROL_ZOOM_RELATIVE (1<<10) #define UVIDEO_CAMERA_CONTROL_PANTILT_ABSOLUTE (1<<11) #define UVIDEO_CAMERA_CONTROL_PANTILT_RELATIVE (1<<12) #define UVIDEO_CAMERA_CONTROL_ROLL_ABSOLUTE (1<<13) #define UVIDEO_CAMERA_CONTROL_ROLL_RELATIVE (1<<14) /* 15,16 reserved */ #define UVIDEO_CAMERA_CONTROL_FOCUS_AUTO (1<<17) #define UVIDEO_CAMERA_CONTROL_PRIVACY (1<<18) typedef struct { uByte bLength; uByte bDescriptorType; uByte bDescriptorSubtype; uByte bUnitID; uByte bNrInPins; uByte baSourceID[]; /* The position of the next field is baSourceID[0] + bNrInPins * and should be accessed via a function. */ /* uByte iSelector */ } UPACKED uvideo_selector_unit_descriptor_t; typedef struct { uByte bLength; uByte bDescriptorType; uByte bDescriptorSubtype; uByte bUnitID; uByte bSourceID; uWord wMaxMultiplier; uByte bControlSize; uByte bmControls[]; /* uByte iProcessing */ /* uByte bmVideoStandards */ #define PU_GET_VIDEO_STANDARDS(desc) \ (*((desc)->bmControls + (desc)->bControlSize)) #define UVIDEO_STANDARD_NONE (1<<0) #define UVIDEO_STANDARD_NTSC_525_60 (1<<1) #define UVIDEO_STANDARD_PAL_625_50 (1<<2) #define UVIDEO_STANDARD_SECAM_625_50 (1<<3) #define UVIDEO_STANDARD_NTSC_625_50 (1<<4) #define UVIDEO_STANDARD_PAL_525_60 (1<<5) } UPACKED uvideo_processing_unit_descriptor_t; typedef struct { uByte bLength; uByte bDescriptorType; uByte bDescriptorSubtype; uByte bUnitID; usb_guid_t guidExtensionCode; uByte bNumControls; uByte bNrInPins; uByte baSourceID[]; /* uByte bControlSize */ /* uByte bmControls */ #define XU_GET_CONTROL_SIZE(desc) \ (*((desc)->baSourceID + (desc)->bNrInPins)) #define XU_GET_CONTROLS(desc) \ ((desc)->baSourceID + (desc)->bNrInPins + 1) /* uByte iExtension */ } UPACKED uvideo_extension_unit_descriptor_t; typedef struct { uByte bLength; uByte bDescriptorType; /* UDESC_ENDPOINT */ uByte bDescriptorSubtype; uWord wMaxTransferSize; } UPACKED uvideo_vc_interrupt_endpoint_descriptor_t; /* * Video Streaming descriptors */ #define UDESC_VS_INPUT_HEADER 0x01 #define UDESC_VS_OUTPUT_HEADER 0x02 #define UDESC_VS_STILL_IMAGE_FRAME 0x03 #define UDESC_VS_FORMAT_UNCOMPRESSED 0x04 #define UDESC_VS_FRAME_UNCOMPRESSED 0x05 #define UDESC_VS_FORMAT_MJPEG 0x06 #define UDESC_VS_FRAME_MJPEG 0x07 /* reserved in spec v1.1 0x08 */ /* reserved in spec v1.1 0x09 */ #define UDESC_VS_FORMAT_MPEG2TS 0x0A /* reserved in spec v 1.1 0x0B */ #define UDESC_VS_FORMAT_DV 0x0C #define UDESC_VS_COLORFORMAT 0x0D /* reserved in spec v1.1 0x0E */ /* reserved in spec v1.1 0x0F */ #define UDESC_VS_FORMAT_FRAME_BASED 0x10 #define UDESC_VS_FRAME_FRAME_BASED 0x11 #define UDESC_VS_FORMAT_STREAM_BASED 0x12 /* Copy protection state */ #define UVIDEO_NO_RESTRICTIONS 0 #define UVIDEO_RESTRICT_DUP 1 typedef struct { uByte bLength; uByte bDescriptorType; uByte bDescriptorSubtype; uByte bNumFormats; uWord wTotalLength; uByte bEndpointAddress; uByte bmInfo; uByte bTerminalLink; uByte bStillCaptureMethod; uByte bTriggerSupport; uByte bTriggerUsage; uByte bControlSize; uByte bmaControls[]; #define UVIDEO_VS_KEYFRAME_RATE (1<<0) #define UVIDEO_VS_PFRAME_RATE (1<<1) #define UVIDEO_VS_COMP_QUALITY (1<<2) #define UVIDEO_VS_COMP_WINDOW_SIZE (1<<3) #define UVIDEO_VS_GENERATE_KEYFRAME (1<<4) #define UVIDEO_VS_UPDATE_FRAME_SEGMENT (1<<5) } UPACKED uvideo_vs_input_header_descriptor_t; typedef struct { uByte bLength; uByte bDescriptorType; uByte bDescriptorSubtype; uByte bNumFormats; uWord wTotalLength; uByte bEndpointAddress; uByte bTerminalLink; uByte bControlSize; uByte bmaControls[]; } UPACKED uvideo_vs_output_header_descriptor_t; typedef struct { uWord wWidth; uWord wHeight; } UPACKED uvideo_still_image_frame_dimensions_t; typedef struct { uByte bLength; uByte bDescriptorType; uByte bDescriptorSubtype; uByte bEndpointAddress; uByte bNumImageSizePatterns; uvideo_still_image_frame_dimensions_t wwaDimensions[]; /* position dependent on size of previous item */ /* uByte bNumCompressionPattern */ /* uByte bCompression[] */ } UPACKED uvideo_still_image_frame_descriptor_t; /* Color matching information */ /* bColroPrimaries */ #define UVIDEO_COLOR_PRIMARIES_UNSPECIFIED 0 #define UVIDEO_COLOR_PRIMARIES_sRGB 1 /* same as BT709 */ #define UVIDEO_COLOR_PRIMARIES_BT709 1 /* default */ #define UVIDEO_COLOR_PRIMARIES_BT470_2_M 2 #define UVIDEO_COLOR_PRIMARIES_BT470_2_BG 3 #define UVIDEO_COLOR_PRIMARIES_SMPTE_170M 4 #define UVIDEO_COLOR_PRIMARIES_SMPTE_240M 5 /* bTransferCharacteristics */ #define UVIDEO_GAMMA_FUNCTION_UNSPECIFIED 0 #define UVIDEO_GAMMA_FUNCTION_BT709 1 /* default */ #define UVIDEO_GAMMA_FUNCTION_BT470_2_M 2 #define UVIDEO_GAMMA_FUNCTION_BT470_2_BG 3 #define UVIDEO_GAMMA_FUNCTION_SMPTE_170M 4 #define UVIDEO_GAMMA_FUNCTION_SMPTE_240M 5 #define UVIDEO_GAMMA_FUNCTION_LINEAR 6 #define UVIDEO_GAMMA_FUNCTION_sRGB 7 /* similar to BT709 */ /* bMatrixCoefficients */ #define UVIDEO_LUMA_CHROMA_MATRIX_UNSPECIFIED 0 #define UVIDEO_LUMA_CHROMA_MATRIX_BT709 1 #define UVIDEO_LUMA_CHROMA_MATRIX_FCC 2 #define UVIDEO_LUMA_CHROMA_MATRIX_BT470_2_BG 3 #define UVIDEO_LUMA_CHROMA_MATRIX_SMPTE_170M 4 /* default */ #define UVIDEO_LUMA_CHROMA_MATRIX_SMPTE_240M 5 typedef struct { uByte bLength; uByte bDescriptorType; uByte bDescriptorSubtype; uByte bColorPrimaries; uByte bTransferCharacteristics; uByte bMatrixCoefficients; } UPACKED uvideo_color_matching_descriptor_t; /* * Format and Frame descriptors */ #define UVIDEO_FRAME_CAP_STILL_IMAGE 1<<0 #define UVIDEO_FRAME_CAP_FIXED_RATE 1<<1 #define UVIDEO_FRAME_INTERVAL_CONTINUOUS 0 /* TODO: interlace flags */ typedef struct { uDWord dwMinFrameInterval; uDWord dwMaxFrameInterval; uDWord dwFrameIntervalStep; } UPACKED uvideo_frame_interval_continuous_t; typedef struct { uDWord dwFrameInterval[1]; /* length depends on bFrameIntervalType */ } UPACKED uvideo_frame_interval_discrete_t; typedef union { uvideo_frame_interval_continuous_t continuous; uvideo_frame_interval_discrete_t discrete; } uvideo_frame_interval_t; /* generic format descriptor header */ typedef struct { uByte bLength; uByte bDescriptorType; uByte bDescriptorSubtype; uByte bFormatIndex; } UPACKED uvideo_vs_format_descriptor_t; /* generic frame descriptor header */ typedef struct { uByte bLength; uByte bDescriptorType; uByte bDescriptorSubtype; uByte bFrameIndex; } UPACKED uvideo_vs_frame_descriptor_t; /* uncompressed format and frame descriptors */ static const guid_t uvideo_guid_format_yuy2 = { 0x32595559, 0x0000, 0x0010, {0x80, 0x00, 0x00, 0xAA, 0x00, 0x38, 0x9B, 0x71} }; static const guid_t uvideo_guid_format_nv12 = { 0x3231564E, 0x0000, 0x0010, {0x80, 0x00, 0x00, 0xAA, 0x00, 0x38, 0x9B, 0x71} }; static const guid_t uvideo_guid_format_uyvy = { 0x59565955, 0x0000, 0x0010, {0x80, 0x00, 0x00, 0xAA, 0x00, 0x38, 0x9B, 0x71} }; typedef struct { uByte bLength; uByte bDescriptorType; uByte bDescriptorSubtype; uByte bFormatIndex; uByte bNumFrameDescriptors; usb_guid_t guidFormat; uByte bBitsPerPixel; uByte bDefaultFrameIndex; uByte bAspectRatioX; uByte bAspectRatioY; uByte bmInterlaceFlags; uByte bCopyProtect; } UPACKED uvideo_vs_format_uncompressed_descriptor_t; typedef struct { uByte bLength; uByte bDescriptorType; uByte bDescriptorSubtype; uByte bFrameIndex; uByte bmCapabilities; uWord wWidth; uWord wHeight; uDWord dwMinBitRate; uDWord dwMaxBitRate; uDWord dwMaxVideoFrameBufferSize; uDWord dwDefaultFrameInterval; uByte bFrameIntervalType; uvideo_frame_interval_t uFrameInterval; } UPACKED uvideo_vs_frame_uncompressed_descriptor_t; /* Frame based Format and Frame descriptors. This is for generic * frame based payloads not covered by other types (e.g, uncompressed * or MJPEG). */ typedef struct { uByte bLength; uByte bDescriptorType; uByte bDescriptorSubtype; uByte bFormatIndex; uByte bNumFrameDescriptors; usb_guid_t guidFormat; uByte bBitsPerPixel; uByte bDefaultFrameIndex; uByte bAspectRatioX; uByte bAspectRatioY; uByte bmInterlaceFlags; uByte bCopyProtect; } UPACKED uvideo_format_frame_based_descriptor_t; typedef struct { uByte bLength; uByte bDescriptorType; uByte bDescriptorSubtype; uByte bFrameIndex; uByte bmCapabilities; uWord wWidth; uWord wHeight; uDWord dwMinBitRate; uDWord dwMaxBitRate; uDWord dwDefaultFrameInterval; uByte bFrameIntervalType; uDWord dwBytesPerLine; uvideo_frame_interval_t uFrameInterval; } UPACKED uvideo_frame_frame_based_descriptor_t; /* MJPEG format and frame descriptors */ typedef struct { uByte bLength; uByte bDescriptorType; uByte bDescriptorSubtype; uByte bFormatIndex; uByte bNumFrameDescriptors; uByte bmFlags; #define UVIDEO_NO_FIXED_SIZE_SAMPLES 0 #define UVIDEO_FIXED_SIZE_SAMPLES 1 uByte bDefaultFrameIndex; uByte bAspectRatioX; uByte bAspectRatioY; uByte bmInterlaceFlags; uByte bCopyProtect; } UPACKED uvideo_vs_format_mjpeg_descriptor_t; typedef struct { uByte bLength; uByte bDescriptorType; uByte bDescriptorSubtype; uByte bFrameIndex; uByte bmCapabilities; uWord wWidth; uWord wHeight; uDWord dwMinBitRate; uDWord dwMaxBitRate; uDWord dwMaxVideoFrameBufferSize; uDWord dwDefaultFrameInterval; uByte bFrameIntervalType; uvideo_frame_interval_t uFrameInterval; } UPACKED uvideo_vs_frame_mjpeg_descriptor_t; typedef struct { uByte bLength; uByte bDescriptorType; uByte bDescriptorSubtype; uByte bFormatIndex; uDWord dwMaxVideoFrameBufferSize; uByte bFormatType; #define UVIDEO_GET_DV_FREQ(ubyte) (((ubyte)>>7) & 1) #define UVIDEO_DV_FORMAT_FREQ_50HZ 0 #define UVIDEO_DV_FORMAT_FREQ_60HZ 1 #define UVIDEO_GET_DV_FORMAT(ubyte) ((ubyte) & 0x3f) #define UVIDEO_DV_FORMAT_SD_DV 0 #define UVIDEO_DV_FORMAT_SDL_DV 1 #define UVIDEO_DV_FORMAT_HD_DV 2 } UPACKED uvideo_vs_format_dv_descriptor_t; /* * Video Control requests */ /* Pseudo bitmasks that only work when bitwise OR onto a zeroed value */ #define UVIDEO_REQUEST_TYPE_INTERFACE (0x0001) #define UVIDEO_REQUEST_TYPE_ENDPOINT (0x0010) #define UVIDEO_REQUEST_TYPE_CLASS_SPECIFIC (0x01 << 5) #define UVIDEO_REQUEST_TYPE_SET (0x0 << 7) #define UVIDEO_REQUEST_TYPE_GET (0x1 << 7) typedef enum { UVIDEO_REQUEST_DESC_INTERFACE, UVIDEO_REQUEST_DESC_ENDPOINT } uvideo_request_descriptor; typedef enum { UR_RC_UNDEFINED = 0x00, UR_SET_CUR = 0x01, UR_GET_CUR = 0x81, UR_GET_MIN = 0x82, UR_GET_MAX = 0x83, UR_GET_RES = 0x84, UR_GET_LEN = 0x85, UR_GET_INFO = 0x86, UR_GET_DEF = 0x87, } uvideo_request; /* camera terminal control selectors */ #define UVIDEO_CT_CONTROL_UNDEFINED 0x00 #define UVIDEO_CT_SCANNING_MODE_CONTROL 0x01 #define UVIDEO_CT_AE_MODE_CONTROL 0x02 #define UVIDEO_CT_EXPOSURE_TIME_ABSOLUTE_CONTROL 0x04 #define UVIDEO_CT_EXPOSURE_TIME_RELATIVE_CONTROL 0x05 #define UVIDEO_CT_FOCUS_ABSOLUTE_CONTROL 0x06 #define UVIDEO_CT_FOCUS_RELATIVE_CONTROL 0x07 #define UVIDEO_CT_IRIS_ABSOLUTE_CONTROL 0x09 #define UVIDEO_CT_IRIS_RELATIVE_CONTROL 0x0A #define UVIDEO_CT_ZOOM_ABSOLUTE_CONTROL 0x0B #define UVIDEO_CT_ZOOM_RELATIVE_CONTROL 0x0C #define UVIDEO_CT_PANTILT_ABSOLUTE_CONTROL 0x0D #define UVIDEO_CT_PANTILT_RELATIVE_CONTROL 0x0E #define UVIDEO_CT_ROLL_ABSOLUTE_CONTROL 0x0F #define UVIDEO_CT_ROLL_RELATIVE_CONTROL 0x10 #define UVIDEO_CT_PRIVACY_CONTROL 0x11 /* processing unit control selectors */ #define UVIDEO_PU_CONTROL_UNDEFINED 0x00 #define UVIDEO_PU_BACKLIGHT_COMPENSATION_CONTROL 0x01 #define UVIDEO_PU_BRIGHTNESS_CONTROL 0x02 #define UVIDEO_PU_CONTRAST_CONTROL 0x03 #define UVIDEO_PU_GAIN_CONTROL 0x04 #define UVIDEO_PU_POWER_LINE_FREQUENCY_CONTROL 0x05 #define UVIDEO_PU_HUE_CONTROL 0x06 #define UVIDEO_PU_SATURATION_CONTROL 0x07 #define UVIDEO_PU_SHARPNESS_CONTROL 0x08 #define UVIDEO_PU_GAMMA_CONTROL 0x09 #define UVIDEO_PU_WHITE_BALANCE_TEMPERATURE_CONTROL 0x0A #define UVIDEO_PU_WHITE_BALANCE_TEMPERATURE_AUTO_CONTROL 0x0B #define UVIDEO_PU_WHITE_BALANCE_COMPONENT_CONTROL 0x0C #define UVIDEO_PU_WHITE_BALANCE_COMPONENT_AUTO_CONTROL 0x0D #define UVIDEO_PU_DIGITAL_MULTIPLIER_CONTROL 0x0E #define UVIDEO_PU_DIGITAL_MULTIPLIER_LIMIT_CONTROL 0x0F #define UVIDEO_PU_HUE_AUTO_CONTROL 0x10 #define UVIDEO_PU_ANALOG_VIDEO_STANDARD_CONTROL 0x11 #define UVIDEO_PU_ANALOG_LOCK_STATUS_CONTROL 0x12 /* extension unit control selectors */ #define UVIDEO_XU_CONTROL_UNDEFINED 0x00 /* VideoStreaming Interface control selectors */ #define UVIDEO_VS_CONTROL_UNDEFINED 0x00 #define UVIDEO_VS_PROBE_CONTROL 0x01 #define UVIDEO_VS_COMMIT_CONTROL 0x02 #define UVIDEO_VS_STILL_PROBE_CONTROL 0x03 #define UVIDEO_VS_STILL_COMMIT_CONTROL 0x04 #define UVIDEO_VS_STILL_IMAGE_TRIGGER_CONTROL 0x05 #define UVIDEO_VS_STREAM_ERROR_CODE_CONTROL 0x06 #define UVIDEO_VS_GENERATE_KEY_FRAME_CONTROL 0x07 #define UVIDEO_VS_UPDATE_FRAME_SEGMENT_CONTROL 0x08 #define UVIDEO_VS_SYNCH_DELAY_CONTROL 0x09 /* bitmask result of GET_INFO on a control */ #define UVIDEO_CONTROL_INFO_SUPPORTS_GET (1<<0) #define UVIDEO_CONTROL_INFO_SUPPORTS_SET (1<<1) #define UVIDEO_CONTROL_INFO_DISABLED (1<<2) #define UVIDEO_CONTROL_INFO_AUTOUPDATE (1<<3) #define UVIDEO_CONTROL_INFO_ASYNC (1<<4) /* Video Probe and Commit Controls request data */ typedef struct { uWord bmHint; #define UVIDEO_HINT_FRAME_INTERVAL (1<<0) #define UVIDEO_HINT_KEYFRAME_RATE (1<<1) #define UVIDEO_HINT_PFRAME_RATE (1<<2) #define UVIDEO_HINT_COMP_QUALITY (1<<3) #define UVIDEO_HINT_COMP_WINDOW_SIZE (1<<4) uByte bFormatIndex; uByte bFrameIndex; uDWord dwFrameInterval; #define UVIDEO_100NS_PER_MS 10000 #define UVIDEO_FRAME_INTERVAL_UNITS_PER_USB_FRAME UVIDEO_100NS_PER_MS uWord wKeyFrameRate; uWord wPFrameRate; uWord wCompQuality; uWord wCompWindowSize; uWord wDelay; uDWord dwMaxVideoFrameSize; uDWord dwMaxPayloadTransferSize; /* Following fields are not in v1.0 of UVC. Will have to do * UR_GET_LEN to discover the length of this descriptor. */ uDWord dwClockFrequency; uByte bmFramingInfo; #define UVIDEO_FRAMING_INFO_FID (1<<0) #define UVIDEO_FRAMING_INFO_EOF (1<<1) uByte bPreferedVersion; uByte bMinVersion; uByte bMaxVersion; } UPACKED uvideo_probe_and_commit_data_t; /* Video Still Probe and Still Commit Controls request data */ typedef struct { uByte bFormatIndex; uByte bFrameIndex; uByte bCompressionIndex; uDWord dwMaxVideoFrameSize; uDWord dwMaxPayloadTransferSize; } UPACKED uvideo_still_probe_and_still_commit_data_t; #define UVIDEO_STILL_PROBE_AND_STILL_COMMIT_DATA_SIZE 11; /* common header for Video Control and Video Stream status */ typedef struct { uByte bStatusType; #define UV_STATUS_TYPE_CONTROL 0x02 #define UV_STATUS_TYPE_STREAM 0x04 uByte bOriginator; } UPACKED uvideo_status_t; typedef struct { uByte bStatusType; uByte bOriginator; uByte bEvent; #define UV_CONTROL_CHANGE 0x00 /* any other value is Reserved */ uByte bSelector; uByte bAttribute; #define UV_CONTROL_VALUE_CHANGE 0x00 #define UV_CONTROL_INFO_CHANGE 0x01 #define UV_CONTROL_FAILURE_CHANGE 0x02 uByte bValue; } UPACKED uvideo_control_status_t; typedef struct { uByte bStatusType; uByte bOriginator; uByte bEvent; #define UV_BUTTON_PRESS 0x00 /* any other value is Stream Error */ uByte bValue; #define UV_BUTTON_RELEASED 0x00 #define UV_BUTTON_PRESSED 0x01 } UPACKED uvideo_streaming_status_t; typedef struct { uByte bHeaderLength; uByte bmHeaderInfo; #define UV_FRAME_ID 1<<0 #define UV_END_OF_FRAME 1<<1 #define UV_PRES_TIME 1<<2 #define UV_SRC_CLOCK 1<<3 /* D4: Reserved */ #define UV_STILL_IMAGE 1<<5 #define UV_ERROR 1<<6 #define UV_END_OF_HDR 1<<7 /* other fields depend on which bits are set above and have no fixed offset */ /* uDWord dwPresentationTime; */ #define UVIDEO_PTS_SIZE 4 /* uByte scrSourceClock[UVIDEO_SOURCE_CLOCK_SIZE]; */ #define UVIDEO_SOURCE_CLOCK_SIZE 6 #define UV_GET_SOURCE_TIME_CLOCK(sc) (UGETDW(sc)) /* bits 42..32 */ #define UV_GET_SOF_COUNTER(sc) (((sc)[4] | ((sc)[5] << 8)) &0x7ff) } UPACKED uvideo_payload_header_t; /* Note: this might be larger depending on presence of source clock, SOF counter, or other things... bHeaderLength is actual length. */ #define UVIDEO_PAYLOAD_HEADER_SIZE 12