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Annotation of ntddk/src/mmedia/inc/ntddaux.h, revision 1.1.1.1

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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