Changeset 3a8f0bf for examples/utils.c

Timestamp:

Sep 17, 2018, 3:14:02 PM (6 years ago)

Author:

Paul Brossier <piem@piem.org>

Branches:

feature/autosink, feature/cnn, feature/cnn_org, feature/constantq, feature/crepe, feature/crepe_org, feature/pitchshift, feature/pydocstrings, feature/timestretch, fix/ffmpeg5, master

Children:

e561ca7

Parents:

8c4918a (diff), 8ba682a (diff)
Note: this is a merge changeset, the changes displayed below correspond to the merge itself.
Use the (diff) links above to see all the changes relative to each parent.

Message:

Merge branch 'fix/jack-midi-buffer'

Fixes #183, thanks to cyclopsian

File:

• examples/utils.c (modified) (4 diffs)

examples/utils.c

@@ -76 +76 @@
 
 #if HAVE_JACK
+#define MAX_MIDI_EVENTS 128
+#define MAX_MIDI_EVENT_SIZE 3
 aubio_jack_t *jack_setup;
 jack_midi_event_t ev;
+jack_midi_data_t midi_data[MAX_MIDI_EVENTS * MAX_MIDI_EVENT_SIZE];
+size_t midi_event_count = 0;
 #endif /* HAVE_JACK */
 
@@ -129 +133 @@
 void examples_common_del (void)
 {
-#ifdef HAVE_JACK
-  if (ev.buffer) free(ev.buffer);
-#endif
   del_fvec (ibuf);
   del_fvec (obuf);
@@ -147 +148 @@
 
 #ifdef HAVE_JACK
-    ev.size = 3;
-    ev.buffer = malloc (3 * sizeof (jack_midi_data_t));
+    ev.size = MAX_MIDI_EVENT_SIZE;
     ev.time = 0; // send it now
     debug ("Jack activation ...\n");
@@ -194 +194 @@
 #ifdef HAVE_JACK
   if (usejack) {
+    ev.buffer = midi_data + midi_event_count++ * MAX_MIDI_EVENT_SIZE;
+    if (midi_event_count >= MAX_MIDI_EVENTS) {
+      midi_event_count = 0;
+    }
     ev.buffer[2] = velo;
     ev.buffer[1] = pitch;