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/**************************************************************************
fmplayer.h - all the FMPlayer-API
-------------------
begin : September 20th 2002
copyright : (C) 2002 by Daniel Gruen
email : daniel_gruen@web.de
***************************************************************************/
/***************************************************************************
* *
* 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 is a slim and special fms version for qliss3d
// please use the original version from http://sourceforge.net/projects/fmsynth
// if you want to do anything on it
#ifndef _FMVALUE_
#define _FMVALUE_
#include "../config.h"
float ggt(float a, float b);
float kgv(float a, float b);
#ifdef HAVE_SYS_SOUNDCARD_H
#ifdef HAVE_FCNTL_H
#ifdef HAVE_SYS_IOCTL_H
#ifdef HAVE_UNISTD_H
#define FMS_WORKS
#endif
#endif
#endif
#endif
#ifdef FMS_WORKS
#include "fmifstream.h"
#define D_SAMPRATE 22050
// error messages
#define DSP_OPEN_ERR 0
#define DSP_CHAN_ERR 1
#define DSP_SFMT_ERR 2
#define DSP_RATE_ERR 3
#define DSP_SYNC_ERR 4
#define WAV_OPEN_ERR 100
#define WAV_WRIT_ERR 101
#define PLY_MODE_ERR 200
#define MID_NDEF_ERR 300
#define FIF_NFNM_ERR 400
// internal signals
#define ATIME_RETURN -1
// default values
#define DEFAULT_FREQ 440
/* forward declarations */
class FMChannel;
class FMPackage;
class FMSoundfile;
enum PlayMode {
DSP,
WAV,
NONE
};
class FMPlayer {
public:
FMPlayer();
~FMPlayer();
FMChannel *first;
FMChannel *channel;
FMPackage *package;
FMSoundfile *sound;
void nextSound();
void setRate(int drate);
int getRate() const;
void openFiles();
void compute();
void play();
void playInit();
void playVal();
void playCleanup();
private:
void syncPointer();
int rate;
PlayMode mode;
};
class FMChannel {
public:
FMChannel(FMPlayer *parentPlayer);
~FMChannel();
FMPlayer *player;
FMPackage *package;
FMPackage *first;
FMSoundfile *sound;
float *ptr;
void nextSound();
void openFiles();
void compute();
void ptrInc();
void pointerReset();
private:
void syncPointer();
int i;
int dr;
int repeat;
};
class FMPackage {
public:
FMPackage(FMChannel *parentChannel);
~FMPackage();
FMChannel *channel;
FMSoundfile * sound;
float *values;
void nextSound();
float getTime() const;
void setTime(float dtime);
float getVolume() const;
void setVolume(float dvol);
float getTVol() const;
void setTVol(float dtvol);
float getRepeat() const;
void setRepeat(float drepeat);
int getRval() const;
void volumeChanged(float oldv, float newv);
void openFiles();
void compute();
void compLockAll();
private:
FMSoundfile *first;
float time;
float vol;
float tvol;
int rval;
float repeat;
float *ptr;
bool comp_lock;
};
class FMFile : public FMData {
public:
FMFile(FMPackage *parentPackage);
~FMFile();
FMPackage *package;
bool openLock();
bool compLock();
void compute();
void setFreq(float dfreq);
void setVolume(float dvolume, bool setptvol=1);
float getVolume() const;
void setAtime(float datime);
void incAtime();
void openFile();
int rval();
protected:
float value(bool count_on=1);
float freq;
float volume;
float atime;
bool open_lock;
};
class FMSoundfile : public FMFile {
public:
FMSoundfile(FMPackage *parentPackage);
~FMSoundfile();
FMSoundfile * next;
float value(bool count_on=1);
};
#endif
#endif
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