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161 lines
5.6 KiB
161 lines
5.6 KiB
/*
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* Copyright (c) Microsoft Corporation, 1993. All Rights Reserved.
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*/
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/*
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* ntddvidc.h
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*
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* 32-bit Video Capture driver
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*
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* defines interface to kernel driver to be used by user-level dll.
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*
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* include vcstruct.h before this.
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*/
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#ifndef _NTDDVIDC_
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#define _NTDDVIDC_
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// Device Naming:
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//
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// a device name will be created in \Device and a symbolic link
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// in \DosDevices: the name will be the string DD_VIDCAP_DEVICE_NAME_U
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// followed by a number 0, 1.. to ensure uniqueness. There is no guarantee
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// that names will have consecutive numbers: if device 1 is deleted out of 3,
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// it would leave two names, \Device\VidCap0 and \Device\VidCap2
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//
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// In addition, each device records the name used (eg VidCap0) in the
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// REG_DEVNAME value of its PARMS_SUBKEY entry in the registry.
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#define DD_VIDCAP_DEVICE_NAME_U L"VidCap"
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//
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// name of subkey in which device parameters are stored
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//
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#define PARMS_SUBKEY L"Parameters"
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//
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// value name within PARMS_SUBKEY where the device name created is stored.
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// This is the DD_VIDCAP_DEVICE_NAME_U string together with the
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// unique number.
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#define REG_DEVNAME L"DeviceName"
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// maximum number of vidcap devices we allow
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#define MAX_VIDCAP_DEVICES 32
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// maximum length (in characters) of the device name including \device and the
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// number (or \dosdevices and the number) and a null
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#define MAX_VIDCAP_NAME_LENGTH 12+6+3+1
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// device type - we are a multimedia device, so for now we will be a sound device
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#define DD_TYPE_VIDC FILE_DEVICE_SOUND
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// base for IOCTL requests - just above the sound requests
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#define IOCTL_VIDC_BASE 0x200
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// Ioctl set
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//--- configuration ------
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// Sets size, format of captured data. <IN CONFIG_INFO>
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#define IOCTL_VIDC_CONFIG_FORMAT CTL_CODE(DD_TYPE_VIDC, IOCTL_VIDC_BASE+0x1, METHOD_BUFFERED, FILE_ANY_ACCESS)
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// Set up source video (NTSC/PAL, source...) <IN CONFIG_INFO>
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#define IOCTL_VIDC_CONFIG_SOURCE CTL_CODE(DD_TYPE_VIDC, IOCTL_VIDC_BASE+0x2, METHOD_BUFFERED, FILE_ANY_ACCESS)
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// Set up live display config. <IN CONFIG_INFO>
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#define IOCTL_VIDC_CONFIG_DISPLAY CTL_CODE(DD_TYPE_VIDC, IOCTL_VIDC_BASE+0x3, METHOD_BUFFERED, FILE_ANY_ACCESS)
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//-- set/get overlay keying/rectangles
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// Get overlay mode. <OUT OVERLAY_MODE>
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#define IOCTL_VIDC_OVERLAY_MODE CTL_CODE(DD_TYPE_VIDC, IOCTL_VIDC_BASE+0x4, METHOD_BUFFERED, FILE_ANY_ACCESS)
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//set key colour rgb <IN RGBQUAD>
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#define IOCTL_VIDC_SET_KEY_RGB CTL_CODE(DD_TYPE_VIDC, IOCTL_VIDC_BASE+0x5, METHOD_BUFFERED, FILE_ANY_ACCESS)
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//set key colour palindx <IN ULONG palindex>
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#define IOCTL_VIDC_SET_KEY_PALIDX CTL_CODE(DD_TYPE_VIDC, IOCTL_VIDC_BASE+0x6, METHOD_BUFFERED, FILE_ANY_ACCESS)
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//get the key colour <OUT ULONG colour>
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#define IOCTL_VIDC_GET_KEY_COLOUR CTL_CODE(DD_TYPE_VIDC, IOCTL_VIDC_BASE+0x7, METHOD_BUFFERED, FILE_ANY_ACCESS)
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//set key rect(s) <IN OVERLAY_RECTS>
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#define IOCTL_VIDC_OVERLAY_RECTS CTL_CODE(DD_TYPE_VIDC, IOCTL_VIDC_BASE+0x8, METHOD_BUFFERED, FILE_ANY_ACCESS)
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//set overlay offset (pan) <IN RECT>
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#define IOCTL_VIDC_OVERLAY_OFFSET CTL_CODE(DD_TYPE_VIDC, IOCTL_VIDC_BASE+0x9, METHOD_BUFFERED, FILE_ANY_ACCESS)
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// capture and overlay enable
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//enable video capture no args
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#define IOCTL_VIDC_CAPTURE_ON CTL_CODE(DD_TYPE_VIDC, IOCTL_VIDC_BASE+0xa, METHOD_BUFFERED, FILE_ANY_ACCESS)
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//disable video capture no args
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#define IOCTL_VIDC_CAPTURE_OFF CTL_CODE(DD_TYPE_VIDC, IOCTL_VIDC_BASE+0xb, METHOD_BUFFERED, FILE_ANY_ACCESS)
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//overlay on no args
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#define IOCTL_VIDC_OVERLAY_ON CTL_CODE(DD_TYPE_VIDC, IOCTL_VIDC_BASE+0xc, METHOD_BUFFERED, FILE_ANY_ACCESS)
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//overlay off no args
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#define IOCTL_VIDC_OVERLAY_OFF CTL_CODE(DD_TYPE_VIDC, IOCTL_VIDC_BASE+0xd, METHOD_BUFFERED, FILE_ANY_ACCESS)
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// capture stream functions
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//stream init <IN ULONG microsec-per-frame>
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#define IOCTL_VIDC_STREAM_INIT CTL_CODE(DD_TYPE_VIDC, IOCTL_VIDC_BASE+0xe, METHOD_BUFFERED, FILE_ANY_ACCESS)
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//stream fini no args
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#define IOCTL_VIDC_STREAM_FINI CTL_CODE(DD_TYPE_VIDC, IOCTL_VIDC_BASE+0xf, METHOD_BUFFERED, FILE_ANY_ACCESS)
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//stream start no args
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#define IOCTL_VIDC_STREAM_START CTL_CODE(DD_TYPE_VIDC, IOCTL_VIDC_BASE+0x10, METHOD_BUFFERED, FILE_ANY_ACCESS)
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//stream stop no args
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#define IOCTL_VIDC_STREAM_STOP CTL_CODE(DD_TYPE_VIDC, IOCTL_VIDC_BASE+0x11, METHOD_BUFFERED, FILE_ANY_ACCESS)
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//stream reset no args
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#define IOCTL_VIDC_STREAM_RESET CTL_CODE(DD_TYPE_VIDC, IOCTL_VIDC_BASE+0x12, METHOD_BUFFERED, FILE_ANY_ACCESS)
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//wait error (completes on overrun) <OUT ULONG count>
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#define IOCTL_VIDC_WAIT_ERROR CTL_CODE(DD_TYPE_VIDC, IOCTL_VIDC_BASE+0x13, METHOD_BUFFERED, FILE_ANY_ACCESS)
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//addbuffer (completes when filled) <IN OUT CAPTUREBUFFER>
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#define IOCTL_VIDC_ADD_BUFFER CTL_CODE(DD_TYPE_VIDC, IOCTL_VIDC_BASE+0x14, METHOD_BUFFERED, FILE_ANY_ACCESS)
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//get position <OUT ULONG millisecs>
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#define IOCTL_VIDC_GET_POSITION CTL_CODE(DD_TYPE_VIDC, IOCTL_VIDC_BASE+0x15, METHOD_BUFFERED, FILE_ANY_ACCESS)
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// partial-frame capture
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// capture to system buffer (no data returned) <no args>
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#define IOCTL_VIDC_CAP_TO_SYSBUF CTL_CODE(DD_TYPE_VIDC, IOCTL_VIDC_BASE+0x16, METHOD_BUFFERED, FILE_ANY_ACCESS)
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// copy part of the system buffer <IN OUT CAPTUREBUFFER>
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#define IOCTL_VIDC_PARTIAL_CAPTURE CTL_CODE(DD_TYPE_VIDC, IOCTL_VIDC_BASE+0x17, METHOD_BUFFERED, FILE_ANY_ACCESS)
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// release system buffer <no args>
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#define IOCTL_VIDC_FREE_SYSBUF CTL_CODE(DD_TYPE_VIDC, IOCTL_VIDC_BASE+0x18, METHOD_BUFFERED, FILE_ANY_ACCESS)
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// draw-frame: used for playback direct to overlay buffer (optional!)
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// place this frame data on screen <IN DRAWBUFFER>
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#define IOCTL_VIDC_DRAW_FRAME CTL_CODE(DD_TYPE_VIDC, IOCTL_VIDC_BASE+0x19, METHOD_BUFFERED, FILE_ANY_ACCESS)
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#endif // _NTDDVIDC_
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