int main(int argc, char **argv) { buffer_size = 2048; examples_common_init(argc,argv); verbmsg ("using source: %s at %dHz\n", source_uri, samplerate); verbmsg ("pitch method: %s, ", pitch_method); verbmsg ("pitch unit: %s, ", pitch_unit); verbmsg ("buffer_size: %d, ", buffer_size); verbmsg ("hop_size: %d, ", hop_size); verbmsg ("tolerance: %f\n", pitch_tolerance); o = new_aubio_pitch (pitch_method, buffer_size, hop_size, samplerate); if (pitch_tolerance != 0.) aubio_pitch_set_tolerance (o, pitch_tolerance); if (pitch_unit != NULL) aubio_pitch_set_unit (o, pitch_unit); pitch = new_fvec (1); wavetable = new_aubio_wavetable (samplerate, hop_size); aubio_wavetable_play ( wavetable ); examples_common_process((aubio_process_func_t)process_block,process_print); del_aubio_pitch (o); del_aubio_wavetable (wavetable); del_fvec (pitch); examples_common_del(); return 0; }
void process_block(fvec_t * ibuf, fvec_t *obuf) { aubio_tempo_do (tempo, ibuf, tempo_out); is_beat = fvec_get_sample (tempo_out, 0); //smpl_t bpm = aubio_tempo_get_bpm(tempo); //uint_t last_beat = aubio_tempo_get_last(tempo); aubio_pitch_do (pitch, ibuf, pitch_out); smpl_t freq = fvec_get_sample(pitch_out, 0); if (silence_threshold != -90.) is_silence = aubio_silence_detection(ibuf, silence_threshold); fvec_zeros (obuf); if ( is_beat && !is_silence ) { samples_per_beat = total_frames - my_last_beat; my_last_beat = total_frames; aubio_wavetable_play ( wavetable ); } else { aubio_wavetable_stop ( wavetable ); } if (mix_input) aubio_wavetable_do (wavetable, ibuf, obuf); else aubio_wavetable_do (wavetable, obuf, obuf); rgb_music_iterate(my_last_beat, samples_per_beat, total_frames, freq); total_frames += hop_size; }
void process_block(fvec_t * ibuf, fvec_t *obuf) { aubio_tempo_do (tempo, ibuf, tempo_out); is_beat = fvec_get_sample (tempo_out, 0); if (silence_threshold != -90.) is_silence = aubio_silence_detection(ibuf, silence_threshold); fvec_zeros (obuf); if ( is_beat && !is_silence ) { aubio_wavetable_play ( wavetable ); } else { aubio_wavetable_stop ( wavetable ); } if (mix_input) aubio_wavetable_do (wavetable, ibuf, obuf); else aubio_wavetable_do (wavetable, obuf, obuf); }