shithub: aubio

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ref: 2293d6a285c02b1fc13c49420cf38f229478157f
parent: 1b7f3692323a1b5356d9a8977e7efb0fc96ed3a1
author: Paul Brossier <piem@piem.org>
date: Fri Jul 22 17:28:15 EDT 2016 

examples/: also emit midi note from aubioonset, thanks to topas-rec (closes #62)


--- a/examples/aubioonset.c
+++ b/examples/aubioonset.c
@@ -37,6 +37,8 @@
   fvec_zeros(obuf);
   if ( is_onset ) {
     aubio_wavetable_play ( wavetable );
+    /* send a midi tap (default to C0) out to the midi output */
+    if (usejack) send_noteon(miditap_note, miditap_velo);
   } else {
     aubio_wavetable_stop ( wavetable );
   }
@@ -77,6 +79,9 @@
   //aubio_sampler_load (sampler, "/archives/sounds/woodblock.aiff");
 
   examples_common_process((aubio_process_func_t)process_block, process_print);
+
+  // send a last note off
+  send_noteon (miditap_note, 0);
 
   del_aubio_onset (o);
   del_aubio_wavetable (wavetable);
--- a/examples/aubiotrack.c
+++ b/examples/aubiotrack.c
@@ -40,18 +40,8 @@
   fvec_zeros (obuf);
   if ( is_beat && !is_silence ) {
     aubio_wavetable_play ( wavetable );
-    /* Send tap over midi output */
-    /* Is called without jack use so ask for jack use */
-    if (usejack)
-    {
-       /* Note on midi clock: Midi clock looks like it is more suitable here,
-       * but it is send 24 times between the detected bpm which is impossible
-       * to do since we get here only once per peat.
-       * Therefore midinote is used as a good workaround.
-       * Reference:
-       * http://www.blitter.com/~russtopia/MIDI/~jglatt/tech/midispec/clock.htm */
-      send_noteon(0, 0);
-    }
+    /* send a midi tap (default to C0) out to the midi output */
+    if (usejack) send_noteon(miditap_note, miditap_velo);
   } else {
     aubio_wavetable_stop ( wavetable );
   }
@@ -93,6 +83,9 @@
   //aubio_sampler_load (sampler, "/archives/sounds/woodblock.aiff");
 
   examples_common_process((aubio_process_func_t)process_block,process_print);
+
+  // send a last note off
+  send_noteon (miditap_note, 0);
 
   del_aubio_tempo(tempo);
   del_aubio_wavetable (wavetable);
--- a/examples/parse_args.h
+++ b/examples/parse_args.h
@@ -47,6 +47,9 @@
 // more general stuff
 extern smpl_t silence_threshold;
 extern uint_t mix_input;
+// midi tap
+extern smpl_t miditap_note;
+extern smpl_t miditap_velo;
 
 extern uint_t force_overwrite;
 
--- a/examples/utils.c
+++ b/examples/utils.c
@@ -64,6 +64,9 @@
 fvec_t *ibuf;
 fvec_t *obuf;
 
+smpl_t miditap_note = 69.;
+smpl_t miditap_velo = 65.;
+
 /* settings */
 int blocks = 0;
 
-- 
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