diff options
Diffstat (limited to '')
-rw-r--r-- | public/sdk/inc/ntddsnd.h | 41 |
1 files changed, 41 insertions, 0 deletions
diff --git a/public/sdk/inc/ntddsnd.h b/public/sdk/inc/ntddsnd.h new file mode 100644 index 000000000..b3ad9884d --- /dev/null +++ b/public/sdk/inc/ntddsnd.h @@ -0,0 +1,41 @@ +/*++ 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_ + |