Method: WebRTC::Vad#process

Defined in:
ext/webrtcvad/webrtcvad.c

#process(rb_sample_rate, rb_audio_frame, rb_offset, rb_frame_len) ⇒ Object 



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# File 'ext/webrtcvad/webrtcvad.c', line 77

static VALUE rb_vad_process(VALUE self, VALUE rb_sample_rate, VALUE rb_audio_frame, VALUE rb_offset, VALUE rb_frame_len) {
  int sr = NUM2INT(rb_sample_rate);
  int offset = NUM2INT(rb_offset);
  int frame_length = NUM2INT(rb_frame_len);
  int result;
  int16_t *buf = (int16_t*)(StringValuePtr(rb_audio_frame) + offset);
  
  struct vad_instance* ptr;
  Data_Get_Struct(self, struct vad_instance, ptr);
  
  result = WebRtcVad_Process(ptr->inst, sr, buf, frame_length);
  switch (result) {
  case 1:
    return INT2NUM(1);
  case 0:
    return INT2NUM(0);
  case -1:
    break;
  default:
    rb_raise(rb_eRuntimeError, "Error while processing frame");
  }
  return Qnil;
}