bpmprocess/sample_to_freq.c

Go to the documentation of this file.

#include <bpm/bpm_messages.h>
#include <bpm/bpm_process.h>

int sample_to_freq( double fs, int ns, int iS, double *f ) {

  if ( iS < 0. ) {
    *f = 0.;
    return BPM_SUCCESS;
  }
  
  if ( iS >= ns ) {
    *f = fs; // return sampling freq
    return BPM_SUCCESS;
  }

  *f = ( (double) iS + 0.5 ) / ((double)ns) * fs;
  
  return BPM_SUCCESS;
}

---