void PeakODF::reset()
{
reset_mq(mq_params);
destroy_mq(mq_params);
mq_params->frame_size = frame_size;
mq_params->num_bins = (frame_size/2) + 1;
mq_params->fundamental = 44100.0 / frame_size; /* TODO: change to params->sampling_rate */
init_mq(mq_params);
}
int init_mq(MQParameters* params)
{
/* TODO: check memory allocation */
/* allocate memory for window */
params->window = (sample*) malloc(sizeof(sample) * params->frame_size);
int i;
for(i = 0; i < params->frame_size; i++)
{
params->window[i] = 1.0;
}
hann_window(params->frame_size, params->window);
/* allocate memory for FFT */
params->fft_in = (sample*) fftw_malloc(sizeof(sample) * params->frame_size);
params->fft_out = (fftw_complex*) fftw_malloc(sizeof(fftw_complex) * params->num_bins);
params->fft_plan = fftw_plan_dft_r2c_1d(params->frame_size, params->fft_in,
params->fft_out, FFTW_ESTIMATE);
/* set other variables to defaults */
reset_mq(params);
return 0;
}
int init_mq(MQParameters* params) {
// allocate memory for window
params->window = (sample*) malloc(sizeof(sample) * params->frame_size);
int i;
for(i = 0; i < params->frame_size; i++) {
params->window[i] = 1.0;
}
hann_window(params->frame_size, params->window);
// allocate memory for FFT
params->fft_in = (sample*) fftw_malloc(sizeof(sample) *
params->frame_size);
params->fft_out = (fftw_complex*) fftw_malloc(sizeof(fftw_complex) *
params->num_bins);
params->fft_plan = fftw_plan_dft_r2c_1d(params->frame_size, params->fft_in,
params->fft_out, FFTW_ESTIMATE);
// set other variables to defaults
params->prev_peaks = NULL;
params->prev_peaks2 = NULL;
reset_mq(params);
return 0;
}
