mirror of https://github.com/lianthony/NT4.0
You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
41 lines
788 B
41 lines
788 B
/*++ BUILD Version: 0001 // Increment this if a change has global effects
|
|
|
|
Copyright (c) 1990-1993 Microsoft Corporation
|
|
|
|
Module Name:
|
|
|
|
ntddsnd.h
|
|
|
|
Abstract:
|
|
|
|
This is the include file that defines all the common
|
|
constants and types for sound devices.
|
|
|
|
Author:
|
|
|
|
Nigel Thompson (NigelT) 17-May-91
|
|
|
|
Revision History:
|
|
|
|
--*/
|
|
|
|
#ifndef _NTDDSND_
|
|
#define _NTDDSND_
|
|
|
|
//
|
|
// Define the IOCTL base values for sound devices and each class
|
|
// of sound device
|
|
//
|
|
|
|
#define IOCTL_SOUND_BASE FILE_DEVICE_SOUND
|
|
#define IOCTL_WAVE_BASE 0x0000
|
|
#define IOCTL_MIDI_BASE 0x0080
|
|
|
|
//
|
|
// Define some useful limits
|
|
//
|
|
|
|
#define SOUND_MAX_DEVICE_NAME 80 // BUGBUG this is a wild guess
|
|
#define SOUND_MAX_DEVICES 100 // Max no of devices of a given type
|
|
#endif // _NTDDSND_
|
|
|