Update Ableton MIDI clip building logic to handle OutMarker and improve velocity calculation

src/lib/exporters/ableton/builders.ts

@@ -187,6 +187,8 @@ async function buildMidiClip(
   color: number,
   clipForLauncher: boolean = false,
   abletonVersion: AbletonVersion = '11',
+  automationTargets: AbletonAutomationTargets = {},
+  koTrack?: AblTrack,
 ): Promise<ALSMidiClipContent> {
   const midiClipTemplate = await loadTemplate<ALSMidiClip>('midiClip', abletonVersion);
   const midiClip = structuredClone(midiClipTemplate.MidiClip);
@@ -206,6 +208,9 @@ async function buildMidiClip(
   midiClip.Loop.LoopOn['@Value'] = 'true';
   midiClip.Loop.LoopStart['@Value'] = 0;
   midiClip.Loop.LoopEnd['@Value'] = koClip.bars * beats;
+  if (midiClip.Loop.OutMarker) {
+    midiClip.Loop.OutMarker['@Value'] = koClip.bars * beats;
+  }
   midiClip.Loop.HiddenLoopStart['@Value'] = 0;
   midiClip.Loop.HiddenLoopEnd['@Value'] = koClip.bars * beats;
   setColorValue(midiClip, color);
@@ -251,11 +256,15 @@ async function buildMidiClip(
             dur = nextNote.position / 96 - noteData.position / 96;
           }
 
-          let velocity = noteData.velocity;
-
-          if (koClip.faderParams[FaderParam.VEL] !== -1) {
-            velocity = koClip.faderParams[FaderParam.VEL] * 127;
-          }
+          const velocity = Math.max(
+            1,
+            Math.min(
+              127,
+              koClip.groupPattern
+                ? getFaderValueAt(koClip.groupPattern, FaderParam.VEL, noteData.position) * 127
+                : noteData.velocity,
+            ),
+          );
 
           return {
             '@Time': noteData.position / 96,
@@ -263,6 +272,7 @@ async function buildMidiClip(
             '@Velocity': velocity,
             '@OffVelocity': 64,
             '@NoteId': _noteId++,
+            '@IsEnabled': 'true',
           };
         }),
       },
@@ -272,6 +282,20 @@ async function buildMidiClip(
     });
   });
 
+  midiClip.Notes.NoteIdGenerator.NextId['@Value'] = _noteId;
+
+  if (clipForLauncher && koTrack) {
+    const clipEnvelopes = buildClipEnvelopes(
+      koClip.groupPattern,
+      automationTargets,
+      koTrack,
+      false,
+    );
+    midiClip.Envelopes.Envelopes = clipEnvelopes.length
+      ? ({ ClipEnvelope: clipEnvelopes } as any)
+      : {};
+  }
+
   return midiClip;
 }