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/*      MikMod sound library

        (c) 1998, 1999, 2000 Miodrag Vallat and others - see file AUTHORS

        for complete list.

        This library is free software; you can redistribute it and/or modify

        it under the terms of the GNU Library 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 Library General Public License for more details.

        You should have received a copy of the GNU Library General Public

        License along with this library; if not, write to the Free Software

        Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA

        02111-1307, USA.

*/

/*==============================================================================

  $Id: mikmod.h.in,v 1.2 2004/06/01 16:43:45 raph Exp $

  MikMod sound library include file

==============================================================================*/

#ifndef _MIKMOD_H_

#define _MIKMOD_H_

#include <stdio.h>

#include <stdlib.h>

#ifdef __cplusplus

extern "C" {

#endif

/*

 * ========== Compiler magic for shared libraries

 */

#if defined WIN32 && defined _DLL

#ifdef DLL_EXPORTS

#define MIKMODAPI __declspec(dllexport)

#else

#define MIKMODAPI __declspec(dllimport)

#endif

#else

#define MIKMODAPI

#endif

/*

 *      ========== Library version

 */

#define LIBMIKMOD_VERSION_MAJOR 3L

#define LIBMIKMOD_VERSION_MINOR 1L

#define LIBMIKMOD_REVISION      10L

#define LIBMIKMOD_VERSION \

        ((LIBMIKMOD_VERSION_MAJOR<<16)| \

         (LIBMIKMOD_VERSION_MINOR<< 8)| \

         (LIBMIKMOD_REVISION))

MIKMODAPI extern long MikMod_GetVersion(void);

/*

 *      ========== Platform independent-type definitions

 */

#ifdef WIN32

#define WIN32_LEAN_AND_MEAN

#include <windows.h>

#include <io.h>

#include <mmsystem.h>

#endif

#if defined(__OS2__)||defined(__EMX__)

#define INCL_DOSSEMAPHORES

#include <os2.h>

#else

typedef char CHAR;

#endif

#if defined(__arch64__) || defined(__alpha) || defined(__x86_64) || defined(_LP64)

/* 64 bit architectures */

typedef signed char     SBYTE;      /* 1 byte, signed */

typedef unsigned char   UBYTE;      /* 1 byte, unsigned */

typedef signed short    SWORD;      /* 2 bytes, signed */

typedef unsigned short  UWORD;      /* 2 bytes, unsigned */

typedef signed int      SLONG;      /* 4 bytes, signed */

typedef unsigned int    ULONG;      /* 4 bytes, unsigned */

typedef int             BOOL;       /* 0=false, <>0 true */

#else

/* 32 bit architectures */

typedef signed char     SBYTE;      /* 1 byte, signed */

typedef unsigned char   UBYTE;      /* 1 byte, unsigned */

typedef signed short    SWORD;      /* 2 bytes, signed */

typedef unsigned short  UWORD;      /* 2 bytes, unsigned */

typedef signed long     SLONG;      /* 4 bytes, signed */

#if !defined(__OS2__)&&!defined(__EMX__)&&!defined(WIN32)

typedef unsigned long   ULONG;      /* 4 bytes, unsigned */

typedef int             BOOL;       /* 0=false, <>0 true */

#endif

#endif

/*

 *      ========== Error codes

 */

enum {

        MMERR_OPENING_FILE = 1,

        MMERR_OUT_OF_MEMORY,

        MMERR_DYNAMIC_LINKING,

        MMERR_SAMPLE_TOO_BIG,

        MMERR_OUT_OF_HANDLES,

        MMERR_UNKNOWN_WAVE_TYPE,

        MMERR_LOADING_PATTERN,

        MMERR_LOADING_TRACK,

        MMERR_LOADING_HEADER,

        MMERR_LOADING_SAMPLEINFO,

        MMERR_NOT_A_MODULE,

        MMERR_NOT_A_STREAM,

        MMERR_MED_SYNTHSAMPLES,

        MMERR_ITPACK_INVALID_DATA,

        MMERR_DETECTING_DEVICE,

        MMERR_INVALID_DEVICE,

        MMERR_INITIALIZING_MIXER,

        MMERR_OPENING_AUDIO,

        MMERR_8BIT_ONLY,

        MMERR_16BIT_ONLY,

        MMERR_STEREO_ONLY,

        MMERR_ULAW,

        MMERR_NON_BLOCK,

        MMERR_AF_AUDIO_PORT,

        MMERR_AIX_CONFIG_INIT,

        MMERR_AIX_CONFIG_CONTROL,

        MMERR_AIX_CONFIG_START,

        MMERR_GUS_SETTINGS,

        MMERR_GUS_RESET,

        MMERR_GUS_TIMER,

        MMERR_HP_SETSAMPLESIZE,

        MMERR_HP_SETSPEED,

        MMERR_HP_CHANNELS,

        MMERR_HP_AUDIO_OUTPUT,

        MMERR_HP_AUDIO_DESC,

        MMERR_HP_BUFFERSIZE,

        MMERR_OSS_SETFRAGMENT,

        MMERR_OSS_SETSAMPLESIZE,

        MMERR_OSS_SETSTEREO,

        MMERR_OSS_SETSPEED,

        MMERR_SGI_SPEED,

        MMERR_SGI_16BIT,

        MMERR_SGI_8BIT,

        MMERR_SGI_STEREO,

        MMERR_SGI_MONO,

        MMERR_SUN_INIT,

        MMERR_OS2_MIXSETUP,

        MMERR_OS2_SEMAPHORE,

        MMERR_OS2_TIMER,

        MMERR_OS2_THREAD,

        MMERR_DS_PRIORITY,

        MMERR_DS_BUFFER,

        MMERR_DS_FORMAT,

        MMERR_DS_NOTIFY,

        MMERR_DS_EVENT,

        MMERR_DS_THREAD,

        MMERR_DS_UPDATE,

        MMERR_WINMM_HANDLE,

        MMERR_WINMM_ALLOCATED,

        MMERR_WINMM_DEVICEID,

        MMERR_WINMM_FORMAT,

        MMERR_WINMM_UNKNOWN,

        MMERR_MAC_SPEED,

        MMERR_MAC_START,

        MMERR_MAX

};

/*

 *      ========== Error handling

 */

typedef void (MikMod_handler)(void);

typedef MikMod_handler *MikMod_handler_t;

MIKMODAPI extern int  MikMod_errno;

MIKMODAPI extern BOOL MikMod_critical;

MIKMODAPI extern char *MikMod_strerror(int);

MIKMODAPI extern MikMod_handler_t MikMod_RegisterErrorHandler(MikMod_handler_t);

/*

 *      ========== Library initialization and core functions

 */

struct MDRIVER;

MIKMODAPI extern void   MikMod_RegisterAllDrivers(void);

MIKMODAPI extern CHAR*  MikMod_InfoDriver(void);

MIKMODAPI extern void   MikMod_RegisterDriver(struct MDRIVER*);

MIKMODAPI extern int    MikMod_DriverFromAlias(CHAR*);

MIKMODAPI extern BOOL   MikMod_Init(CHAR*);

MIKMODAPI extern void   MikMod_Exit(void);

MIKMODAPI extern BOOL   MikMod_Reset(CHAR*);

MIKMODAPI extern BOOL   MikMod_SetNumVoices(int,int);

MIKMODAPI extern BOOL   MikMod_Active(void);

MIKMODAPI extern BOOL   MikMod_EnableOutput(void);

MIKMODAPI extern void   MikMod_DisableOutput(void);

MIKMODAPI extern void   MikMod_Update(void);

MIKMODAPI extern BOOL   MikMod_InitThreads(void);

MIKMODAPI extern void   MikMod_Lock(void);

MIKMODAPI extern void   MikMod_Unlock(void);

/*

 *      ========== Reader, Writer

 */

typedef struct MREADER {

        BOOL (*Seek)(struct MREADER*,long,int);

        long (*Tell)(struct MREADER*);

        BOOL (*Read)(struct MREADER*,void*,size_t);

        int  (*Get)(struct MREADER*);

        BOOL (*Eof)(struct MREADER*);

} MREADER;

typedef struct MWRITER {

        BOOL (*Seek)(struct MWRITER*,long,int);

        long (*Tell)(struct MWRITER*);

        BOOL (*Write)(struct MWRITER*,void*,size_t);

        BOOL (*Put)(struct MWRITER*,int);

} MWRITER;

/*

 *      ========== Samples

 */

/* Sample playback should not be interrupted */

#define SFX_CRITICAL 1

/* Sample format [loading and in-memory] flags: */

#define SF_16BITS       0x0001

#define SF_STEREO       0x0002

#define SF_SIGNED       0x0004

#define SF_BIG_ENDIAN   0x0008

#define SF_DELTA        0x0010

#define SF_ITPACKED             0x0020

#define SF_FORMATMASK   0x003F

/* General Playback flags */

#define SF_LOOP         0x0100

#define SF_BIDI         0x0200

#define SF_REVERSE      0x0400

#define SF_SUSTAIN      0x0800

#define SF_PLAYBACKMASK 0x0C00

/* Module-only Playback Flags */

#define SF_OWNPAN               0x1000

#define SF_UST_LOOP     0x2000

#define SF_EXTRAPLAYBACKMASK    0x3000

/* Panning constants */

#define PAN_LEFT                0

#define PAN_HALFLEFT    64

#define PAN_CENTER              128

#define PAN_HALFRIGHT   192

#define PAN_RIGHT               255

#define PAN_SURROUND    512 /* panning value for Dolby Surround */

typedef struct SAMPLE {

        SWORD  panning;     /* panning (0-255 or PAN_SURROUND) */

        ULONG  speed;       /* Base playing speed/frequency of note */

        UBYTE  volume;      /* volume 0-64 */

        UWORD  inflags;         /* sample format on disk */

        UWORD  flags;       /* sample format in memory */

        ULONG  length;      /* length of sample (in samples!) */

        ULONG  loopstart;   /* repeat position (relative to start, in samples) */

        ULONG  loopend;     /* repeat end */

        ULONG  susbegin;    /* sustain loop begin (in samples) \  Not Supported */

        ULONG  susend;      /* sustain loop end                /      Yet! */

        /* Variables used by the module player only! (ignored for sound effects) */

        UBYTE  globvol;     /* global volume */

        UBYTE  vibflags;    /* autovibrato flag stuffs */

        UBYTE  vibtype;     /* Vibratos moved from INSTRUMENT to SAMPLE */

        UBYTE  vibsweep;

        UBYTE  vibdepth;

        UBYTE  vibrate;

        CHAR*  samplename;  /* name of the sample */

        /* Values used internally only */

        UWORD  avibpos;     /* autovibrato pos [player use] */

        UBYTE  divfactor;   /* for sample scaling, maintains proper period slides */

        ULONG  seekpos;     /* seek position in file */

        SWORD  handle;      /* sample handle used by individual drivers */

} SAMPLE;

/* Sample functions */

MIKMODAPI extern SAMPLE *Sample_Load(CHAR*);

MIKMODAPI extern SAMPLE *Sample_LoadFP(FILE*);

MIKMODAPI extern SAMPLE *Sample_LoadGeneric(MREADER*);

MIKMODAPI extern void   Sample_Free(SAMPLE*);

MIKMODAPI extern SBYTE  Sample_Play(SAMPLE*,ULONG,UBYTE);

MIKMODAPI extern void   Voice_SetVolume(SBYTE,UWORD);

MIKMODAPI extern UWORD  Voice_GetVolume(SBYTE);

MIKMODAPI extern void   Voice_SetFrequency(SBYTE,ULONG);

MIKMODAPI extern ULONG  Voice_GetFrequency(SBYTE);

MIKMODAPI extern void   Voice_SetPanning(SBYTE,ULONG);

MIKMODAPI extern ULONG  Voice_GetPanning(SBYTE);

MIKMODAPI extern void   Voice_Play(SBYTE,SAMPLE*,ULONG);

MIKMODAPI extern void   Voice_Stop(SBYTE);

MIKMODAPI extern BOOL   Voice_Stopped(SBYTE);

MIKMODAPI extern SLONG  Voice_GetPosition(SBYTE);

MIKMODAPI extern ULONG  Voice_RealVolume(SBYTE);

/*

 *      ========== Internal module representation (UniMod)

 */

/*

        Instrument definition - for information only, the only field which may be

        of use in user programs is the name field

*/

/* Instrument note count */

#define INSTNOTES 120

/* Envelope point */

typedef struct ENVPT {

        SWORD pos;

        SWORD val;

} ENVPT;

/* Envelope point count */

#define ENVPOINTS 32

/* Instrument structure */

typedef struct INSTRUMENT {

        CHAR* insname;

        UBYTE flags;

        UWORD samplenumber[INSTNOTES];

        UBYTE samplenote[INSTNOTES];

        UBYTE nnatype;

        UBYTE dca;              /* duplicate check action */

        UBYTE dct;              /* duplicate check type */

        UBYTE globvol;

        UWORD volfade;

        SWORD panning;          /* instrument-based panning var */

        UBYTE pitpansep;        /* pitch pan separation (0 to 255) */

        UBYTE pitpancenter;     /* pitch pan center (0 to 119) */

        UBYTE rvolvar;          /* random volume varations (0 - 100%) */

        UBYTE rpanvar;          /* random panning varations (0 - 100%) */

        /* volume envelope */

        UBYTE volflg;           /* bit 0: on 1: sustain 2: loop */

        UBYTE volpts;

        UBYTE volsusbeg;

        UBYTE volsusend;

        UBYTE volbeg;

        UBYTE volend;

        ENVPT volenv[ENVPOINTS];

        /* panning envelope */

        UBYTE panflg;           /* bit 0: on 1: sustain 2: loop */

        UBYTE panpts;

        UBYTE pansusbeg;

        UBYTE pansusend;

        UBYTE panbeg;

        UBYTE panend;

        ENVPT panenv[ENVPOINTS];

        /* pitch envelope */

        UBYTE pitflg;           /* bit 0: on 1: sustain 2: loop */

        UBYTE pitpts;

        UBYTE pitsusbeg;

        UBYTE pitsusend;

        UBYTE pitbeg;

        UBYTE pitend;

        ENVPT pitenv[ENVPOINTS];

} INSTRUMENT;

struct MP_CONTROL;

struct MP_VOICE;

/*

        Module definition

*/

/* maximum master channels supported */

#define UF_MAXCHAN      64

/* Module flags */

#define UF_XMPERIODS    0x0001 /* XM periods / finetuning */

#define UF_LINEAR               0x0002 /* LINEAR periods (UF_XMPERIODS must be set) */

#define UF_INST                 0x0004 /* Instruments are used */

#define UF_NNA                  0x0008 /* IT: NNA used, set numvoices rather

                                                                  than numchn */

#define UF_S3MSLIDES    0x0010 /* uses old S3M volume slides */

#define UF_BGSLIDES             0x0020 /* continue volume slides in the background */

#define UF_HIGHBPM              0x0040 /* MED: can use >255 bpm */

#define UF_NOWRAP               0x0080 /* XM-type (i.e. illogical) pattern break

                                                                  semantics */

#define UF_ARPMEM               0x0100 /* IT: need arpeggio memory */

#define UF_FT2QUIRKS    0x0200 /* emulate some FT2 replay quirks */

#define UF_PANNING              0x0400 /* module uses panning effects or have

                                                                  non-tracker default initial panning */

typedef struct MODULE {

        /* general module information */

                CHAR*       songname;    /* name of the song */

                CHAR*       modtype;     /* string type of module loaded */

                CHAR*       comment;     /* module comments */

                UWORD       flags;       /* See module flags above */

                UBYTE       numchn;      /* number of module channels */

                UBYTE       numvoices;   /* max # voices used for full NNA playback */

                UWORD       numpos;      /* number of positions in this song */

                UWORD       numpat;      /* number of patterns in this song */

                UWORD       numins;      /* number of instruments */

                UWORD       numsmp;      /* number of samples */

struct  INSTRUMENT* instruments; /* all instruments */

struct  SAMPLE*     samples;     /* all samples */

                UBYTE       realchn;     /* real number of channels used */

                UBYTE       totalchn;    /* total number of channels used (incl NNAs) */

        /* playback settings */

                UWORD       reppos;      /* restart position */

                UBYTE       initspeed;   /* initial song speed */

                UWORD       inittempo;   /* initial song tempo */

                UBYTE       initvolume;  /* initial global volume (0 - 128) */

                UWORD       panning[UF_MAXCHAN]; /* panning positions */

                UBYTE       chanvol[UF_MAXCHAN]; /* channel positions */

                UWORD       bpm;         /* current beats-per-minute speed */

                UWORD       sngspd;      /* current song speed */

                SWORD       volume;      /* song volume (0-128) (or user volume) */

                BOOL        extspd;      /* extended speed flag (default enabled) */

                BOOL        panflag;     /* panning flag (default enabled) */

                BOOL        wrap;        /* wrap module ? (default disabled) */

                BOOL        loop;                /* allow module to loop ? (default enabled) */

                BOOL        fadeout;     /* volume fade out during last pattern */

                UWORD       patpos;      /* current row number */

                SWORD       sngpos;      /* current song position */

                ULONG       sngtime;     /* current song time in 2^-10 seconds */

                SWORD       relspd;      /* relative speed factor */

        /* internal module representation */

                UWORD       numtrk;      /* number of tracks */

                UBYTE**     tracks;      /* array of numtrk pointers to tracks */

                UWORD*      patterns;    /* array of Patterns */

                UWORD*      pattrows;    /* array of number of rows for each pattern */

                UWORD*      positions;   /* all positions */

                BOOL        forbid;      /* if true, no player update! */

                UWORD       numrow;      /* number of rows on current pattern */

                UWORD       vbtick;      /* tick counter (counts from 0 to sngspd) */

                UWORD       sngremainder;/* used for song time computation */

struct MP_CONTROL*  control;     /* Effects Channel info (size pf->numchn) */

struct MP_VOICE*    voice;       /* Audio Voice information (size md_numchn) */

                UBYTE       globalslide; /* global volume slide rate */

                UBYTE       pat_repcrazy;/* module has just looped to position -1 */

                UWORD       patbrk;      /* position where to start a new pattern */

                UBYTE       patdly;      /* patterndelay counter (command memory) */

                UBYTE       patdly2;     /* patterndelay counter (real one) */

                SWORD       posjmp;      /* flag to indicate a jump is needed... */

                UWORD           bpmlimit;        /* threshold to detect bpm or speed values */

} MODULE;

/*

 *      ========== Module loaders

 */

struct MLOADER;

MIKMODAPI extern CHAR*   MikMod_InfoLoader(void);

MIKMODAPI extern void    MikMod_RegisterAllLoaders(void);

MIKMODAPI extern void    MikMod_RegisterLoader(struct MLOADER*);

MIKMODAPI extern struct MLOADER load_669; /* 669 and Extended-669 (by Tran/Renaissance) */

MIKMODAPI extern struct MLOADER load_amf; /* DMP Advanced Module Format (by Otto Chrons) */

MIKMODAPI extern struct MLOADER load_dsm; /* DSIK internal module format */

MIKMODAPI extern struct MLOADER load_far; /* Farandole Composer (by Daniel Potter) */

MIKMODAPI extern struct MLOADER load_gdm; /* General DigiMusic (by Edward Schlunder) */

MIKMODAPI extern struct MLOADER load_it;  /* Impulse Tracker (by Jeffrey Lim) */

MIKMODAPI extern struct MLOADER load_imf; /* Imago Orpheus (by Lutz Roeder) */

MIKMODAPI extern struct MLOADER load_med; /* Amiga MED modules (by Teijo Kinnunen) */

MIKMODAPI extern struct MLOADER load_m15; /* Soundtracker 15-instrument */

MIKMODAPI extern struct MLOADER load_mod; /* Standard 31-instrument Module loader */

MIKMODAPI extern struct MLOADER load_mtm; /* Multi-Tracker Module (by Renaissance) */

MIKMODAPI extern struct MLOADER load_okt; /* Amiga Oktalyzer */

MIKMODAPI extern struct MLOADER load_stm; /* ScreamTracker 2 (by Future Crew) */

MIKMODAPI extern struct MLOADER load_stx; /* STMIK 0.2 (by Future Crew) */

MIKMODAPI extern struct MLOADER load_s3m; /* ScreamTracker 3 (by Future Crew) */

MIKMODAPI extern struct MLOADER load_ult; /* UltraTracker (by MAS) */

MIKMODAPI extern struct MLOADER load_uni; /* MikMod and APlayer internal module format */

MIKMODAPI extern struct MLOADER load_xm;  /* FastTracker 2 (by Triton) */

/*

 *      ========== Module player

 */

MIKMODAPI extern MODULE* Player_Load(CHAR*,int,BOOL);

MIKMODAPI extern MODULE* Player_LoadFP(FILE*,int,BOOL);

MIKMODAPI extern MODULE* Player_LoadGeneric(MREADER*,int,BOOL);

MIKMODAPI extern CHAR*   Player_LoadTitle(CHAR*);

MIKMODAPI extern CHAR*   Player_LoadTitleFP(FILE*);

MIKMODAPI extern void    Player_Free(MODULE*);

MIKMODAPI extern void    Player_Start(MODULE*);

MIKMODAPI extern BOOL    Player_Active(void);

MIKMODAPI extern void    Player_Stop(void);

MIKMODAPI extern void    Player_TogglePause(void);

MIKMODAPI extern BOOL    Player_Paused(void);

MIKMODAPI extern void    Player_NextPosition(void);

MIKMODAPI extern void    Player_PrevPosition(void);

MIKMODAPI extern void    Player_SetPosition(UWORD);

MIKMODAPI extern BOOL    Player_Muted(UBYTE);

MIKMODAPI extern void    Player_SetVolume(SWORD);

MIKMODAPI extern MODULE* Player_GetModule(void);

MIKMODAPI extern void    Player_SetSpeed(UWORD);

MIKMODAPI extern void    Player_SetTempo(UWORD);

MIKMODAPI extern void    Player_Unmute(SLONG,...);

MIKMODAPI extern void    Player_Mute(SLONG,...);

MIKMODAPI extern void    Player_ToggleMute(SLONG,...);

MIKMODAPI extern int     Player_GetChannelVoice(UBYTE);

MIKMODAPI extern UWORD   Player_GetChannelPeriod(UBYTE);

typedef void (MikMod_player)(void);

typedef MikMod_player *MikMod_player_t;

MIKMODAPI extern MikMod_player_t MikMod_RegisterPlayer(MikMod_player_t);

#define MUTE_EXCLUSIVE  32000

#define MUTE_INCLUSIVE  32001

/*

 *      ========== Drivers

 */

enum {

        MD_MUSIC = 0,

        MD_SNDFX

};

enum {

        MD_HARDWARE = 0,

        MD_SOFTWARE

};

/* Mixing flags */

/* These ones take effect only after MikMod_Init or MikMod_Reset */

#define DMODE_16BITS     0x0001 /* enable 16 bit output */

#define DMODE_STEREO     0x0002 /* enable stereo output */

#define DMODE_SOFT_SNDFX 0x0004 /* Process sound effects via software mixer */

#define DMODE_SOFT_MUSIC 0x0008 /* Process music via software mixer */

#define DMODE_HQMIXER    0x0010 /* Use high-quality (slower) software mixer */

/* These take effect immediately. */

#define DMODE_SURROUND   0x0100 /* enable surround sound */

#define DMODE_INTERP     0x0200 /* enable interpolation */

#define DMODE_REVERSE    0x0400 /* reverse stereo */

struct SAMPLOAD;

typedef struct MDRIVER {

struct MDRIVER* next;

        CHAR*       Name;

        CHAR*       Version;

        UBYTE       HardVoiceLimit; /* Limit of hardware mixer voices */

        UBYTE       SoftVoiceLimit; /* Limit of software mixer voices */

        CHAR*       Alias;

        void        (*CommandLine)      (CHAR*);

        BOOL        (*IsPresent)        (void);

        SWORD       (*SampleLoad)       (struct SAMPLOAD*,int);

        void        (*SampleUnload)     (SWORD);

        ULONG       (*FreeSampleSpace)  (int);

        ULONG       (*RealSampleLength) (int,struct SAMPLE*);

        BOOL        (*Init)             (void);

        void        (*Exit)             (void);

        BOOL        (*Reset)            (void);

        BOOL        (*SetNumVoices)     (void);

        BOOL        (*PlayStart)        (void);

        void        (*PlayStop)         (void);

        void        (*Update)           (void);

        void            (*Pause)                        (void);

        void        (*VoiceSetVolume)   (UBYTE,UWORD);

        UWORD       (*VoiceGetVolume)   (UBYTE);

        void        (*VoiceSetFrequency)(UBYTE,ULONG);

        ULONG       (*VoiceGetFrequency)(UBYTE);

        void        (*VoiceSetPanning)  (UBYTE,ULONG);

        ULONG       (*VoiceGetPanning)  (UBYTE);

        void        (*VoicePlay)        (UBYTE,SWORD,ULONG,ULONG,ULONG,ULONG,UWORD);

        void        (*VoiceStop)        (UBYTE);

        BOOL        (*VoiceStopped)     (UBYTE);

        SLONG       (*VoiceGetPosition) (UBYTE);

        ULONG       (*VoiceRealVolume)  (UBYTE);

} MDRIVER;

/* These variables can be changed at ANY time and results will be immediate */

MIKMODAPI extern UBYTE md_volume;      /* global sound volume (0-128) */

MIKMODAPI extern UBYTE md_musicvolume; /* volume of song */

MIKMODAPI extern UBYTE md_sndfxvolume; /* volume of sound effects */

MIKMODAPI extern UBYTE md_reverb;      /* 0 = none;  15 = chaos */

MIKMODAPI extern UBYTE md_pansep;      /* 0 = mono;  128 == 100% (full left/right) */

/* The variables below can be changed at any time, but changes will not be

   implemented until MikMod_Reset is called. A call to MikMod_Reset may result

   in a skip or pop in audio (depending on the soundcard driver and the settings

   changed). */

MIKMODAPI extern UWORD md_device;      /* device */

MIKMODAPI extern UWORD md_mixfreq;     /* mixing frequency */

MIKMODAPI extern UWORD md_mode;        /* mode. See DMODE_? flags above */

/* The following variable should not be changed! */

MIKMODAPI extern MDRIVER* md_driver;   /* Current driver in use. */

/* Known drivers list */

MIKMODAPI extern struct MDRIVER drv_nos;    /* no sound */

MIKMODAPI extern struct MDRIVER drv_pipe;   /* piped output */

MIKMODAPI extern struct MDRIVER drv_raw;    /* raw file disk writer [music.raw] */

MIKMODAPI extern struct MDRIVER drv_stdout; /* output to stdout */

MIKMODAPI extern struct MDRIVER drv_wav;    /* RIFF WAVE file disk writer [music.wav] */

MIKMODAPI extern struct MDRIVER drv_ultra;  /* Linux Ultrasound driver */

MIKMODAPI extern struct MDRIVER drv_sam9407;    /* Linux sam9407 driver */

MIKMODAPI extern struct MDRIVER drv_AF;     /* Dec Alpha AudioFile */

MIKMODAPI extern struct MDRIVER drv_aix;    /* AIX audio device */

MIKMODAPI extern struct MDRIVER drv_alsa;   /* Advanced Linux Sound Architecture (ALSA) */

MIKMODAPI extern struct MDRIVER drv_esd;    /* Enlightened sound daemon (EsounD) */

MIKMODAPI extern struct MDRIVER drv_hp;     /* HP-UX audio device */

MIKMODAPI extern struct MDRIVER drv_oss;    /* OpenSound System (Linux,FreeBSD...) */

MIKMODAPI extern struct MDRIVER drv_sgi;    /* SGI audio library */

MIKMODAPI extern struct MDRIVER drv_sun;    /* Sun/NetBSD/OpenBSD audio device */

MIKMODAPI extern struct MDRIVER drv_dart;   /* OS/2 Direct Audio RealTime */

MIKMODAPI extern struct MDRIVER drv_os2;    /* OS/2 MMPM/2 */

MIKMODAPI extern struct MDRIVER drv_ds;     /* Win32 DirectSound driver */

MIKMODAPI extern struct MDRIVER drv_win;    /* Win32 multimedia API driver */

MIKMODAPI extern struct MDRIVER drv_mac;    /* Macintosh Sound Manager driver */

/*========== Virtual channel mixer interface (for user-supplied drivers only) */

MIKMODAPI extern BOOL  VC_Init(void);

MIKMODAPI extern void  VC_Exit(void);

MIKMODAPI extern BOOL  VC_SetNumVoices(void);

MIKMODAPI extern ULONG VC_SampleSpace(int);

MIKMODAPI extern ULONG VC_SampleLength(int,SAMPLE*);

MIKMODAPI extern BOOL  VC_PlayStart(void);

MIKMODAPI extern void  VC_PlayStop(void);

MIKMODAPI extern SWORD VC_SampleLoad(struct SAMPLOAD*,int);

MIKMODAPI extern void  VC_SampleUnload(SWORD);

MIKMODAPI extern ULONG VC_WriteBytes(SBYTE*,ULONG);

MIKMODAPI extern ULONG VC_SilenceBytes(SBYTE*,ULONG);

MIKMODAPI extern void  VC_VoiceSetVolume(UBYTE,UWORD);

MIKMODAPI extern UWORD VC_VoiceGetVolume(UBYTE);

MIKMODAPI extern void  VC_VoiceSetFrequency(UBYTE,ULONG);

MIKMODAPI extern ULONG VC_VoiceGetFrequency(UBYTE);

MIKMODAPI extern void  VC_VoiceSetPanning(UBYTE,ULONG);

MIKMODAPI extern ULONG VC_VoiceGetPanning(UBYTE);

MIKMODAPI extern void  VC_VoicePlay(UBYTE,SWORD,ULONG,ULONG,ULONG,ULONG,UWORD);

MIKMODAPI extern void  VC_VoiceStop(UBYTE);

MIKMODAPI extern BOOL  VC_VoiceStopped(UBYTE);

MIKMODAPI extern SLONG VC_VoiceGetPosition(UBYTE);

MIKMODAPI extern ULONG VC_VoiceRealVolume(UBYTE);

#ifdef __cplusplus

}

#endif

#endif

/* ex:set ts=4: */