do not assign ports to empty tracks

spessasus · Nov 11, 2024 · ba93b33 · ba93b33
1 parent ebd9159
commit ba93b33
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Showing 5 changed files with 58 additions and 67 deletions.
diff --git a/src/spessasynth_lib/sequencer/worklet_sequencer/song_control.js b/src/spessasynth_lib/sequencer/worklet_sequencer/song_control.js
@@ -18,6 +18,12 @@ import { MIDIticksToSeconds } from "../../midi_parser/basic_midi.js";
  */
 export function assignMIDIPort(trackNum, port)
 {
+    // do not assign ports to empty tracks
+    if (this.midiData.usedChannelsOnTrack[trackNum].size === 0)
+    {
+        return;
+    }
+
     // assign new 16 channels if the port is not occupied yet
     if (this.midiPortChannelOffset === 0)
     {