void gui_fft_filled ()
{
pthread_mutex_lock(&spectrogram_lock);
for (int i = 0; i < FFT_SIZE/2+1; ++i)
{
spectrogram_buffer[spectrogram_buffer_loc][i] = db_normalize(fft_mag[i], 1, 96);
pitch_lp_buffer[spectrogram_buffer_loc] = dominant_frequency_lp;
}
spectrogram_buffer_loc = (spectrogram_buffer_loc+1)%SPECTROGRAM_LENGTH;
pthread_mutex_unlock(&spectrogram_lock);
}
int
face_run (int argc, char **argv)
{
printf("%d %s\n", argc, *argv);
if (db_normalize () == GEMS_FALSE)
{
printf (_("Failed to normalize the db"));
return GEMS_FALSE;
}
printf ("\n");
return GEMS_TRUE;
}
static void graph_fft_mag (int dbRange)
{
//fft_mag graph (db, log)
glBegin(GL_LINE_STRIP);
glColor3f(1.0f,0.0f,1.0f);
double logMax = log10(SAMPLE_RATE/2);
for (int i = 0; i < FFT_SIZE/2+1; ++i)
{
double logI = x_log_normalize(i*BIN_SIZE, logMax);
double scaledMag = db_normalize(fft_mag[i], 1, dbRange); //max amplitude is FFT_SIZE/2)^2
glVertex3f(2*aspectRatio*logI-aspectRatio, 2*scaledMag-1, 0.f);
}
glEnd();
}
int
face_run (int argc, char **argv)
{
printf("%d %s\n", argc, *argv);
printf ("culling\n");
db_purge_empty ();
printf ("Normalizing\n");
if (db_normalize () == GEMS_FALSE)
printf (_("Failed to normalize the db"));
printf ("\n");
return GEMS_TRUE;
}
