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