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Diffstat (limited to 'public/sdk/inc/ntddmidi.h')
| -rw-r--r-- | public/sdk/inc/ntddmidi.h | 136 |
1 files changed, 136 insertions, 0 deletions
diff --git a/public/sdk/inc/ntddmidi.h b/public/sdk/inc/ntddmidi.h new file mode 100644 index 000000000..44549eb4b --- /dev/null +++ b/public/sdk/inc/ntddmidi.h @@ -0,0 +1,136 @@ +/*++ BUILD Version: 0001 // Increment this if a change has global effects + +Copyright (c) 1990-1993 Microsoft Corporation + +Module Name: + + ntddmidi.h + +Abstract: + + This include file defines all constants and types for + accessing an NT wave device. + +Author: + + Robin Speed (RobinSp) 12-Dec-91 + +Revision History: + +--*/ + +#ifndef _NTDDMIDI_ +#define _NTDDMIDI_ + +#include <ntddsnd.h> // general sound stuff + +// +// Device Name - this string is the name of the device. It is the name +// that when added to the name of the root of the device tree and with +// the device number appended, gives the name of the device required for +// a call to NtOpenFile. +// So for example, if the root is \Device and the Device type is +// MidiIn and the device number is 2, the full name is \Device\MidiIn2 +// + +#define DD_MIDI_IN_DEVICE_NAME "\\Device\\MidiIn" +#define DD_MIDI_IN_DEVICE_NAME_U L"\\Device\\MidiIn" +#define DD_MIDI_OUT_DEVICE_NAME "\\Device\\MidiOut" +#define DD_MIDI_OUT_DEVICE_NAME_U L"\\Device\\MidiOut" + +// +// MIDI device driver IOCTL set +// + +#define IOCTL_MIDI_GET_CAPABILITIES CTL_CODE(IOCTL_SOUND_BASE, IOCTL_MIDI_BASE + 0x0001, METHOD_BUFFERED, FILE_READ_ACCESS) +#define IOCTL_MIDI_SET_STATE CTL_CODE(IOCTL_SOUND_BASE, IOCTL_MIDI_BASE + 0x0002, METHOD_BUFFERED, FILE_WRITE_ACCESS) +#define IOCTL_MIDI_GET_STATE CTL_CODE(IOCTL_SOUND_BASE, IOCTL_MIDI_BASE + 0x0003, METHOD_BUFFERED, FILE_WRITE_ACCESS) +#define IOCTL_MIDI_SET_VOLUME CTL_CODE(IOCTL_SOUND_BASE, IOCTL_MIDI_BASE + 0x0004, METHOD_BUFFERED, FILE_READ_ACCESS) +#define IOCTL_MIDI_GET_VOLUME CTL_CODE(IOCTL_SOUND_BASE, IOCTL_MIDI_BASE + 0x0005, METHOD_BUFFERED, FILE_READ_ACCESS) +#define IOCTL_MIDI_PLAY CTL_CODE(IOCTL_SOUND_BASE, IOCTL_MIDI_BASE + 0x0006, METHOD_NEITHER, FILE_WRITE_ACCESS) +#define IOCTL_MIDI_RECORD CTL_CODE(IOCTL_SOUND_BASE, IOCTL_MIDI_BASE + 0x0007, METHOD_BUFFERED, FILE_WRITE_ACCESS) +#define IOCTL_MIDI_CACHE_PATCHES CTL_CODE(IOCTL_SOUND_BASE, IOCTL_MIDI_BASE + 0x0008, METHOD_BUFFERED, FILE_WRITE_ACCESS) +#define IOCTL_MIDI_CACHE_DRUM_PATCHES CTL_CODE(IOCTL_SOUND_BASE, IOCTL_MIDI_BASE + 0x0009, METHOD_BUFFERED, FILE_WRITE_ACCESS) + + +// +// IOCTL used in the debug build only +// + +#if DBG + +#define IOCTL_MIDI_SET_DEBUG_LEVEL CTL_CODE(IOCTL_SOUND_BASE, IOCTL_MIDI_BASE + 0x0040, METHOD_BUFFERED, FILE_READ_ACCESS) + +#endif // DBG + + +// +// Product Ids - see winmm.h +// + + +// +// Midi input output buffer format +// + +typedef struct { + LARGE_INTEGER Time; // Time when data received + // (in units of 100ns from when + // midi input was started) + UCHAR Data[sizeof(ULONG)]; // Data (at least 4 byts for + // alignment). +} MIDI_DD_INPUT_DATA, *PMIDI_DD_INPUT_DATA; + + +// +// Midi volume structure +// + +typedef struct _MIDI_DD_VOLUME { + ULONG Left; + ULONG Right; +} MIDI_DD_VOLUME, *PMIDI_DD_VOLUME; + +// +// Patch array structure +// + +// +// Midi cache patches structures +// + +typedef struct _MIDI_DD_CACHE_PATCHES { + ULONG Bank; + ULONG Flags; + USHORT Patches[128]; +} MIDI_DD_CACHE_PATCHES, *PMIDI_DD_CACHE_PATCHES; + +// +// Midi cache drum patches structures +// + +typedef struct _MIDI_DD_CACHE_DRUM_PATCHES { + ULONG Patch; + ULONG Flags; + USHORT DrumPatches[128]; +} MIDI_DD_CACHE_DRUM_PATCHES, *PMIDI_DD_CACHE_DRUM_PATCHES; + +// +// State flags used to set the state of a driver +// + +#define MIDI_DD_STOP 0x0001 +#define MIDI_DD_PLAY 0x0002 // output devices only +#define MIDI_DD_RECORD 0x0003 // input devices only +#define MIDI_DD_RESET 0x0004 + +// +// States returned by the get state ioctl +// + +#define MIDI_DD_IDLE 0x0000 +#define MIDI_DD_STOPPED 0x0001 // stopped +#define MIDI_DD_PLAYING 0x0002 // output devices only +#define MIDI_DD_RECORDING 0x0003 // input devices only + +#endif // _NTDDMIDI_ |