raze-gles/polymer/eduke32/source/midi.h

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//-------------------------------------------------------------------------
/*
Copyright (C) 2016 EDuke32 developers and contributors
This file is part of EDuke32.
EDuke32 is free software; you can redistribute it and/or
modify it under the terms of the GNU General Public License version 2
as published by the Free Software Foundation.
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., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
*/
//-------------------------------------------------------------------------
#ifndef __MIDI_H
#define __MIDI_H
enum MIDI_Errors
{
MIDI_Error = -1,
MIDI_Ok = 0,
MIDI_NullMidiModule,
MIDI_InvalidMidiFile,
MIDI_UnknownMidiFormat,
MIDI_NoTracks,
MIDI_InvalidTrack,
};
#define MIDI_PASS_THROUGH 1
#define MIDI_DONT_PLAY 0
#define MIDI_MaxVolume 255
extern char MIDI_PatchMap[ 128 ];
typedef struct
{
void(*NoteOff)(char channel, char key, char velocity);
void(*NoteOn)(char channel, char key, char velocity);
void(*PolyAftertouch)(char channel, char key, char pressure);
void(*ControlChange)(char channel, char number, char value);
void(*ProgramChange)(char channel, char program);
void(*ChannelAftertouch)(char channel, char pressure);
void(*PitchBend)(char channel, char lsb, char msb);
} midifuncs;
int32_t MIDI_AllNotesOff(void);
int32_t MIDI_Reset(void);
int32_t MIDI_SetVolume(int32_t volume);
void MIDI_SetMidiFuncs(midifuncs *funcs);
void MIDI_ContinueSong(void);
void MIDI_PauseSong(void);
void MIDI_StopSong(void);
int32_t MIDI_PlaySong(char *song, int32_t loopflag);
void MIDI_SetTempo(int32_t tempo);
void MIDI_UpdateMusic(void);
void MIDI_SetDivision(int32_t division);
#endif