int main(int argc,char** argv)
{
Audio_IO audiostream;
float samplebuffer[FRAMESPERBUFFER * NROFCHANNELS];
unsigned long x=0; // sample index
unsigned long bufptr=0; // pointer into sample buffer
double l_freq=500.0; // base frequency of left channel
double r_freq=850.0; // base frequency of right channel
double l_amp=0.4; // base amplitude of left channel
double r_amp=0.4; // base amplitude of right channel
int output_device=0;
audiostream.set_samplerate(SAMPLERATE);
audiostream.set_nrofchannels(NROFCHANNELS);
audiostream.set_framesperbuffer(FRAMESPERBUFFER);
audiostream.initialise();
audiostream.list_devices();
cout << "Give output device number: ";
cin >> output_device;
audiostream.set_output_device(output_device);
audiostream.start_server();
double l_phase = 0;
double r_phase = 0;
do{
for(bufptr=0; bufptr < FRAMESPERBUFFER*NROFCHANNELS; bufptr+=2)
{
// Fill a new buffer with samples
samplebuffer[bufptr] = (float)(l_amp * sin(2.0*M_PI*l_phase) );
l_phase += l_freq/SAMPLERATE;
samplebuffer[bufptr+1] = (float)(r_amp * sin(2.0*M_PI*r_phase) );
r_phase += r_freq/SAMPLERATE;
x++;
} // for
// send buffer to Portaudio
audiostream.write(samplebuffer);
} while(x < (SAMPLERATE * NUM_SECONDS) );
audiostream.finalise();
return 0;
} // main()
int main()
{
Audio_IO audiostream;
audiostream.set_mode(AUDIO_IO_READWRITE);
audiostream.set_samplerate(SAMPLERATE); // constante aanmaken
audiostream.set_nrofchannels(NOC); // constante aanmaken
audiostream.set_framesperbuffer(FPB); // constante aanmaken
audiostream.initialise();
audiostream.list_devices();
int device;
cout << "\nGive input device number: ";
cin >> device;
audiostream.set_input_device(device);
cout << "Give output device number: ";
cin >> device;
audiostream.set_output_device(device);
audiostream.start_server();
Amplifier* amp;
switch(MODE)
{
default: amp = new Amplifier();
case 0: amp = new Amplifier();
case 1: amp = new Tremolo();
case 2: amp = new Bitcrusher();
}
while(true)
{
audiostream.read(amp->get_buffer());
amp->process_samples();
audiostream.write(amp->get_buffer());
}
audiostream.finalise();
return 0;
} // main()
