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Annotation of ntddk/src/mmedia/inc/ntddaux.h, revision 1.1

1.1     ! root        1: /*++ BUILD Version: 0001    // Increment this if a change has global effects
        !             2: 
        !             3: Copyright (c) 1992-1993  Microsoft Corporation
        !             4: 
        !             5: Module Name:
        !             6: 
        !             7:     ntddaux.h
        !             8: 
        !             9: Abstract:
        !            10: 
        !            11:     This include file defines all constants and types for
        !            12:     accessing an NT auxiliary sound devices.
        !            13: 
        !            14: Author:
        !            15: 
        !            16:     Robin Speed (RobinSp) - 24-Aug-1992
        !            17: 
        !            18: Revision History:
        !            19: 
        !            20: --*/
        !            21: 
        !            22: #ifndef _NTDDAUX_
        !            23: #define _NTDDAUX_
        !            24: 
        !            25: #include <ntddsnd.h>    // general sound stuff
        !            26: 
        !            27: #define IOCTL_AUX_BASE 0x0100
        !            28: 
        !            29: //
        !            30: // Device Name - this string is the name of the device.  It is the name
        !            31: // that when added to the name of the root of the device tree and with
        !            32: // the device number appended, gives the name of the device required for
        !            33: // a call to NtOpenFile.
        !            34: // So for example, if the root is \Device and the Device type is
        !            35: // MMAux and the device number is 2, the full name is \Device\MMAux2
        !            36: //
        !            37: 
        !            38: #define DD_AUX_DEVICE_NAME     "\\Device\\MMAux"
        !            39: #define DD_AUX_DEVICE_NAME_U  L"\\Device\\MMAux"
        !            40: 
        !            41: //
        !            42: // WAVE device driver IOCTL set
        !            43: //
        !            44: 
        !            45: #define IOCTL_AUX_GET_CAPABILITIES     CTL_CODE(IOCTL_SOUND_BASE, IOCTL_AUX_BASE + 0x0001, METHOD_BUFFERED, FILE_READ_ACCESS)
        !            46: #define IOCTL_AUX_SET_VOLUME           CTL_CODE(IOCTL_SOUND_BASE, IOCTL_AUX_BASE + 0x0002, METHOD_BUFFERED, FILE_READ_ACCESS)
        !            47: #define IOCTL_AUX_GET_VOLUME           CTL_CODE(IOCTL_SOUND_BASE, IOCTL_AUX_BASE + 0x0003, METHOD_BUFFERED, FILE_READ_ACCESS)
        !            48: 
        !            49: //
        !            50: // Input and output are AUX_DD_VOLUME structure.
        !            51: // Completes when real device volume != volume passed in.
        !            52: // Returns new volume
        !            53: //
        !            54: #define IOCTL_SOUND_GET_CHANGED_VOLUME   CTL_CODE(IOCTL_SOUND_BASE, IOCTL_AUX_BASE + 0x0004, METHOD_BUFFERED, FILE_READ_ACCESS)
        !            55: 
        !            56: //
        !            57: // Aux volume structure
        !            58: //
        !            59: 
        !            60: typedef struct _AUX_DD_VOLUME {
        !            61:     ULONG   Left;
        !            62:     ULONG   Right;
        !            63: } AUX_DD_VOLUME, *PAUX_DD_VOLUME;
        !            64: 
        !            65: #define AUX_DD_MAX_VOLUME 0xFFFFFFFF // Maximum volume
        !            66: 
        !            67: //
        !            68: // Data returned by IOCTL_AUX_GET_CAPABILITIES is AUXCAPSW structure
        !            69: // defined in mmsystem.h
        !            70: //
        !            71: 
        !            72: #endif // _NTDDAUX_
        !            73: 

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