duke3d/audiolib/music.h

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/*
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: MUSIC.H
author: James R. Dose
date: March 25, 1994
Public header for MUSIC.C
(c) Copyright 1994 James R. Dose. All Rights Reserved.
**********************************************************************/
#ifndef __MUSIC_H
#define __MUSIC_H
#include "sndcards.h"
#ifndef PLAT_DOS
#define cdecl
#endif
extern int MUSIC_ErrorCode;
enum MUSIC_ERRORS
{
MUSIC_Warning = -2,
MUSIC_Error = -1,
MUSIC_Ok = 0,
MUSIC_ASSVersion,
MUSIC_SoundCardError,
MUSIC_MPU401Error,
MUSIC_InvalidCard,
MUSIC_MidiError,
MUSIC_TaskManError,
MUSIC_FMNotDetected,
MUSIC_DPMI_Error
};
typedef struct
{
unsigned long tickposition;
unsigned long milliseconds;
unsigned int measure;
unsigned int beat;
unsigned int tick;
} songposition;
#define MUSIC_LoopSong ( 1 == 1 )
#define MUSIC_PlayOnce ( !MUSIC_LoopSong )
char *MUSIC_ErrorString( int ErrorNumber );
int MUSIC_Init( int SoundCard, int Address );
int MUSIC_Shutdown( void );
void MUSIC_SetMaxFMMidiChannel( int channel );
void MUSIC_SetVolume( int volume );
void MUSIC_SetMidiChannelVolume( int channel, int volume );
void MUSIC_ResetMidiChannelVolumes( void );
int MUSIC_GetVolume( void );
void MUSIC_SetLoopFlag( int loopflag );
int MUSIC_SongPlaying( void );
void MUSIC_Continue( void );
void MUSIC_Pause( void );
int MUSIC_StopSong( void );
int MUSIC_PlaySong( unsigned char *song, int loopflag );
void MUSIC_SetContext( int context );
int MUSIC_GetContext( void );
void MUSIC_SetSongTick( unsigned long PositionInTicks );
void MUSIC_SetSongTime( unsigned long milliseconds );
void MUSIC_SetSongPosition( int measure, int beat, int tick );
void MUSIC_GetSongPosition( songposition *pos );
void MUSIC_GetSongLength( songposition *pos );
int MUSIC_FadeVolume( int tovolume, int milliseconds );
int MUSIC_FadeActive( void );
void MUSIC_StopFade( void );
void MUSIC_RerouteMidiChannel( int channel, int cdecl ( *function )( int event, int c1, int c2 ) );
void MUSIC_RegisterTimbreBank( unsigned char *timbres );
#endif