shithub: aubio

Info  •  Files  •  Log  •  Branches

beattracking.{h,c}: add function aubio_beattracking_get_bpm to return the observed tempo at any moment

--- a/src/beattracking.c

+++ b/src/beattracking.c

@@ -452,3 +452,11 @@

         bt->rp2 = rp2;

 }

+

+smpl_t aubio_beattracking_get_bpm(aubio_beattracking_t * bt) {

+        if (bt->timesig != 0 && bt->counter == 0 && bt->flagstep == 0) {

+          return 5168. / (smpl_t)bt->gp;

+        } else {

+          return 0.;

+        }

+}

--- a/src/beattracking.h

+++ b/src/beattracking.h

@@ -59,6 +59,15 @@

 */

 void aubio_beattracking_do(aubio_beattracking_t * bt, fvec_t * dfframes, fvec_t * out);

+/** get current tempo in bpm

+

+  \param bt beat tracking object

+

+  Returns the currently observed tempo, in beats per minutes, or 0 if no

+  consistent value is found.

+

+*/

+smpl_t aubio_beattracking_get_bpm(aubio_beattracking_t * bt);

 /** delete beat tracking object

   \param p beat tracking object