86 lines
2 KiB
OpenEdge ABL
86 lines
2 KiB
OpenEdge ABL
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/*++ BUILD Version: 0001 // Increment this if a change has global effects
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Copyright (c) Microsoft Corporation. All rights reserved.
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Module Name:
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ntddaux.h
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Abstract:
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This include file defines all constants and types for
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accessing an NT auxiliary sound devices.
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Author:
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Robin Speed (RobinSp) - 24-Aug-1992
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Revision History:
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--*/
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#ifndef _NTDDAUX_
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#define _NTDDAUX_
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#if _MSC_VER > 1000
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#pragma once
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#endif
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#include <ntddsnd.h> // general sound stuff
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#ifdef __cplusplus
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extern "C" {
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#endif
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#define IOCTL_AUX_BASE 0x0100
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//
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// Device Name - this string is the name of the device. It is the name
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// that when added to the name of the root of the device tree and with
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// the device number appended, gives the name of the device required for
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// a call to NtOpenFile.
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// So for example, if the root is \Device and the Device type is
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// MMAux and the device number is 2, the full name is \Device\MMAux2
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//
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#define DD_AUX_DEVICE_NAME "\\Device\\MMAux"
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#define DD_AUX_DEVICE_NAME_U L"\\Device\\MMAux"
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//
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// WAVE device driver IOCTL set
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//
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#define IOCTL_AUX_GET_CAPABILITIES CTL_CODE(IOCTL_SOUND_BASE, IOCTL_AUX_BASE + 0x0001, METHOD_BUFFERED, FILE_READ_ACCESS)
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#define IOCTL_AUX_SET_VOLUME CTL_CODE(IOCTL_SOUND_BASE, IOCTL_AUX_BASE + 0x0002, METHOD_BUFFERED, FILE_READ_ACCESS)
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#define IOCTL_AUX_GET_VOLUME CTL_CODE(IOCTL_SOUND_BASE, IOCTL_AUX_BASE + 0x0003, METHOD_BUFFERED, FILE_READ_ACCESS)
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//
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// Input and output are AUX_DD_VOLUME structure.
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// Completes when real device volume != volume passed in.
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// Returns new volume
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//
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#define IOCTL_SOUND_GET_CHANGED_VOLUME CTL_CODE(IOCTL_SOUND_BASE, IOCTL_AUX_BASE + 0x0004, METHOD_BUFFERED, FILE_READ_ACCESS)
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//
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// Aux volume structure
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//
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typedef struct _AUX_DD_VOLUME {
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ULONG Left;
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ULONG Right;
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} AUX_DD_VOLUME, *PAUX_DD_VOLUME;
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#define AUX_DD_MAX_VOLUME 0xFFFFFFFF // Maximum volume
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//
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// Data returned by IOCTL_AUX_GET_CAPABILITIES is AUXCAPSW structure
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// defined in mmsystem.h
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//
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#ifdef __cplusplus
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}
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#endif
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#endif // _NTDDAUX_
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