swig/aubio.i: add aubio_zero_crossing_rate to interface

diff --git a/swig/aubio.i b/swig/aubio.i
index b628a08ed26cfebc26425c243000dd1131f859d7..c06c2b9f91730d8fd50300693b3e603b155d37bc 100644 (file)
--- a/swig/aubio.i
+++ b/swig/aubio.i
@@ -145,6 +145,7 @@ smpl_t aubio_miditofreq(smpl_t midi);
 uint_t aubio_silence_detection(fvec_t * ibuf, smpl_t threshold);
 smpl_t aubio_level_detection(fvec_t * ibuf, smpl_t threshold);
 void aubio_autocorr(fvec_t * in, fvec_t * acf);
+smpl_t aubio_zero_crossing_rate(fvec_t * input);
 
 /* scale */
 extern aubio_scale_t * new_aubio_scale(smpl_t flow, smpl_t fhig, smpl_t ilow, smpl_t ihig      );