ref: e029357a195263d878999872a558ff40b02c469b
dir: /src/audiolib/midi.h/
/*
Copyright (C) 1994-1995 Apogee Software, Ltd.
This program is free software; you can redistribute it and/or
modify it under the terms of the GNU General Public License
as published by the Free Software Foundation; either version 2
of the License, or (at your option) any later version.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
See the GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program; if not, write to the Free Software
Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
*/
/**********************************************************************
module: MIDI.H
author: James R. Dose
date: May 25, 1994
Public header for MIDI.C. Midi song file playback routines.
(c) Copyright 1994 James R. Dose. All Rights Reserved.
**********************************************************************/
#ifndef __MIDI_H
#define __MIDI_H
enum MIDI_Errors
{
MIDI_Warning = -2,
MIDI_Error = -1,
MIDI_Ok = 0,
MIDI_NullMidiModule,
MIDI_InvalidMidiFile,
MIDI_UnknownMidiFormat,
MIDI_NoTracks,
MIDI_InvalidTrack,
MIDI_NoMemory,
MIDI_DPMI_Error
};
#define MIDI_PASS_THROUGH 1
#define MIDI_DONT_PLAY 0
#define MIDI_MaxVolume 255
extern char MIDI_PatchMap[ 128 ];
typedef struct
{
void ( *NoteOff )( int channel, int key, int velocity );
void ( *NoteOn )( int channel, int key, int velocity );
void ( *PolyAftertouch )( int channel, int key, int pressure );
void ( *ControlChange )( int channel, int number, int value );
void ( *ProgramChange )( int channel, int program );
void ( *ChannelAftertouch )( int channel, int pressure );
void ( *PitchBend )( int channel, int lsb, int msb );
void ( *ReleasePatches )( void );
void ( *LoadPatch )( int number );
void ( *SetVolume )( int volume );
int ( *GetVolume )( void );
} midifuncs;
void MIDI_RerouteMidiChannel( int channel, int cdecl ( *function )( int event, int c1, int c2 ) );
int MIDI_AllNotesOff( void );
void MIDI_SetUserChannelVolume( int channel, int volume );
void MIDI_ResetUserChannelVolume( void );
int MIDI_Reset( void );
int MIDI_SetVolume( int volume );
int MIDI_GetVolume( void );
void MIDI_SetMidiFuncs( midifuncs *funcs );
void MIDI_SetContext( int context );
int MIDI_GetContext( void );
void MIDI_SetLoopFlag( int loopflag );
void MIDI_ContinueSong( void );
void MIDI_PauseSong( void );
int MIDI_SongPlaying( void );
void MIDI_StopSong( void );
int MIDI_PlaySong( unsigned char *song, int loopflag );
void MIDI_SetTempo( int tempo );
int MIDI_GetTempo( void );
void MIDI_SetSongTick( unsigned long PositionInTicks );
void MIDI_SetSongTime( unsigned long milliseconds );
void MIDI_SetSongPosition( int measure, int beat, int tick );
void MIDI_GetSongPosition( songposition *pos );
void MIDI_GetSongLength( songposition *pos );
void MIDI_LoadTimbres( void );
void MIDI_UnlockMemory( void );
int MIDI_LockMemory( void );
#endif