void sine_1(int sec)
{
int i,size;
size = 44100*sec;
Sint16 buffer [size]; //buffer array
s1.setFreq(110);
s2.setFreq(440);
s3.setFreq(1760);
printf("Generate sine 1\n");
for(i = 0; i < size; i++)
{
s1.setAmplitude(127);
s2.setAmplitude(127);
s3.setAmplitude(64);
buffer[i]=s1.tick()-s2.tick()-s3.tick();
buffer[i]=s1.tick()+s2.tick();
// buffer[i]=s1.tick();
}
FILE* fd=fopen("sine2","w+");
for (int i=0; i< size ; i++)
{
Sint16 d=buffer[i];
fwrite(&d,sizeof(unsigned Sint16),1,fd);
}
fclose(fd);
printf("closing sine 1\n");
}
void
runSineOscillator_FreqCtrl_AmpAudio(LADSPA_Handle Instance,
unsigned long SampleCount) {
SineOscillator * poSineOscillator = (SineOscillator *)Instance;
poSineOscillator->setPhaseStepFromFrequency
(*(poSineOscillator->m_pfFrequency));
for (unsigned long lIndex = 0; lIndex < SampleCount; lIndex++) {
poSineOscillator->m_pfOutput[lIndex]
= (g_pfSineTable[poSineOscillator->m_lPhase >> SINE_TABLE_SHIFT]
* poSineOscillator->m_pfAmplitude[lIndex]);
poSineOscillator->m_lPhase
+= poSineOscillator->m_lPhaseStep;
}
}
void
runSineOscillator_FreqAudio_AmpAudio(LADSPA_Handle Instance,
unsigned long SampleCount) {
SineOscillator * poSineOscillator = (SineOscillator *)Instance;
for (unsigned long lIndex = 0; lIndex < SampleCount; lIndex++) {
/* Extract frequency at this point to guarantee inplace
support. */
LADSPA_Data fFrequency
= (poSineOscillator->m_pfFrequency[lIndex]);
poSineOscillator->m_pfOutput[lIndex]
= (g_pfSineTable[poSineOscillator->m_lPhase >> SINE_TABLE_SHIFT]
* poSineOscillator->m_pfAmplitude[lIndex]);
poSineOscillator->setPhaseStepFromFrequency(fFrequency);
poSineOscillator->m_lPhase
+= poSineOscillator->m_lPhaseStep;
}
}
void trigger(){
sine->setFrequency(freq);
chirp->setFrequency(freq*2);
env1->setDecay(decay);
env2->setDecay(decay*snare*0.5);
chirp->setDecay(decay);
env1->trigger();
env2->trigger();
chirp->trigger();
impulse->trigger();
}
float getNextSample(){
float vca1 = sine->getNextSample();
vca1 += chirp->getNextSample();
vca1 *= env1->getNextSample();
float vca2 = 0.0f;
vca2 += impulse->getNextSample();
// vca2 += filter->process(noise->getNextSample());
// vca2 *= env2->getNextSample();
vca2 += noise->getNextSample();
vca2 = filter->process(vca2);
vca2 *= env2->getNextSample();
float sample = vca1*(1.0-balance) + vca2*balance;
return sample;
}
float getNextSample(float fm){
return env.getNextSample()*index*osc.getNextSample(fm);
}
void setFrequency(float freq){
osc.setFrequency(freq*ratio+offset);
// osc.setFrequency(freq);
}