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#include <string>
#include <iostream>
#include <cmath>
#include <cstdlib>
#include "jack.h"
#include "load.h"
#include "cli.h"
#include "parser.h"
#include "channel.h"
#include "fixed.h"
#include "programs.h"
#include "defines.h"
#include "globals.h"
#include "note_loader.h"
using namespace std;
void cleanup();
void dump_options();
int main(int argc, char** argv)
{
for (int i=0;i<N_LFOS;i++)
lfo_freq_hz[i]=0;
try
{
parse_args(argc, argv);
add_dir("~/.flosynth", false);
add_dir("/etc/flosynth", false);
if (cleanup_interval_sec<=0) cleanup_interval_sec=CLEANUP_INTERVAL_SEC;
for (int i=0;i<N_LFOS;i++)
if (lfo_freq_hz[i]<=0) lfo_freq_hz[i]=LFO_FREQ_HZ[i];
if (snh_freq_hz<=0) snh_freq_hz=SNH_FREQ_HZ;
if (frameskip<=-1) frameskip=0;
if (max_port_time_sec<=0) max_port_time_sec=MAX_PORTAMENTO_TIME;
if (filter_update_freq_hz<=0) filter_update_freq_hz=FILTER_UPDATE_FREQ_HZ;
if (lfo_update_freq_hz<=0) lfo_update_freq_hz=LFO_UPDATE_FREQ_HZ;
if (envelope_update_freq_hz<=0) envelope_update_freq_hz=ENVELOPE_UPDATE_FREQ_HZ;
if (xrun_n<=0) xrun_n=XRUN_N;
if (xrun_time<=0) xrun_time=XRUN_TIME;
dump_options();
frameskip++; //because a value of 0 means using each frame,
//a value of 1 means using each 2nd frame and so on
init_jack();
//this calculation needs the real sampling rate. others don't
cleanup_interval=cleanup_interval_sec*samp_rate;
#ifdef FRAMESKIP
samp_rate/=frameskip;
#endif
filter_update_frames=samp_rate/filter_update_freq_hz;
lfo_update_frames=samp_rate/lfo_update_freq_hz;
envelope_update_frames=samp_rate/envelope_update_freq_hz;
if (filter_update_frames<1) filter_update_frames=1;
if (lfo_update_frames<1) lfo_update_frames=1;
if (envelope_update_frames<1) envelope_update_frames=1;
int i,j;
program_t default_program;
init_default_program(default_program);
//two possible divisions by zero are avoided, because
//values <= 0 will make the program use the default
//(nonzero) values.
for (i=0;i<N_LFOS;i++)
lfo_res[i]=samp_rate/lfo_freq_hz[i]/lfo_update_frames;
sample_and_hold_frames=samp_rate/snh_freq_hz;
for (i=0;i<N_LFOS;i++)
{
lfo[i]=new fixed_t* [lfo_res[i]];
for (j=0;j<lfo_res[i];j++)
lfo[i][j]=new fixed_t [N_LFO_LEVELS];
}
for (i=0;i<N_LFOS;i++)
for (j=0;j<lfo_res[i];j++)
{
float temp=sin(j*2.0*3.141592654/lfo_res[i]);
for (int k=0;k<N_LFO_LEVELS;k++)
lfo[i][j][k]= (1.0 + temp*(float(LFO_MAX)*k/N_LFO_LEVELS)) * ONE;
}
program_settings=new program_t[128];
for (i=0;i<128;i++)
{
if (programfile[i]!="")
{
try
{
program_settings[i]=parse(programfile[i]);
// try to load the appropriate .so file
if (access( (programfile[i]+".so").c_str(), R_OK ) == 0)
{
try
{
cout << "trying to load..."<<endl;
load_note_from_so(programfile[i]+".so", program_settings[i]);
}
catch (string err)
{
output_note("NOTE: could not load shared object '"+programfile[i]+".so"+"':\n"
" "+err+"\n"
" this is not fatal, the note has been loaded properly, but generic\n"
" unoptimized (slow) code will be used.");
}
}
}
catch (string err)
{
output_warning("WARNING: error parsing '"+programfile[i]+"': "+err+"\n"
" this is not fatal, but the program has NOT been loaded! defaulting to a\n"
" simple program and going on...");
program_settings[i]=default_program;
}
}
else
{
program_settings[i]=default_program;
}
}
for (i=0;i<N_WAVEFORMS;i++)
wave[i]=new fixed_t[WAVE_RES];
for (i=0;i<WAVE_RES;i++)
{
wave[0][i]=sin(i*2.0*3.141592654/WAVE_RES)*ONE;
wave[1][i]=abs(wave[0][i]);
wave[2][i]=(wave[0][i]>=0) ? wave[0][i] : 0;
wave[3][i]=(i<=WAVE_RES/4) ? wave[0][i] : 0;
wave[4][i]=(i<WAVE_RES/2) ? ONE : -ONE;
}
for (int i=0;i<N_CHANNELS;i++)
channel[i]=new Channel;
srand (time(NULL));
start_jack(connect_audio, connect_midi);
char tmp[10];
gets(tmp);
cout << "end."<< endl;
cleanup();
}
catch(string err)
{
cout << endl<<endl<< "FATAL: caught an exception: "<<endl<<err<<endl<<"exiting..." << endl;
}
/* catch(...)
{
cout << "FATAL: caught an unknown exception... exiting..." << endl;
}*/
return 0;
}
void cleanup()
{
exit_jack();
for (int i=0;i<N_CHANNELS;i++)
{
delete channel[i];
channel[i]=NULL;
}
delete [] program_settings;
}
void dump_options()
{
for (int i=0;i<128;i++)
if (programfile[i]!="")
cout << "program #"<<i<<":\t'"<<programfile[i]<<"'"<<endl;
cout << endl;
cout << "frameskip:\t\t"<<frameskip<<endl;
cout << "cleanup-interval:\t"<<cleanup_interval_sec<<endl;
for (int i=0;i<N_LFOS;i++)
cout << "lfo"<<i<<" freq:\t\t"<<lfo_freq_hz[i]<<endl;
cout << "sample and hold freq:\t"<<snh_freq_hz<<endl;
cout << "max portamento time:\t"<<max_port_time_sec<<endl;
cout << "xrun n/time:\t\t"<<xrun_n<<"/"<<xrun_time<<"s"<<endl;
cout << "lfo update freq:\t"<<lfo_update_freq_hz<<endl;
cout << "filter update freq:\t"<<filter_update_freq_hz<<endl;
cout << "envelope update freq:\t"<<envelope_update_freq_hz<<endl;
}
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