T16: autosample VST2 via native bridge + SF2/SF3 export hoàn chỉnh, UI chip size/note_count, re-sample on preset change, tests

2026-08-11 18:04:34 +07:00
parent 0af834a8fa
commit 371b1ca665
8 changed files with 184 additions and 50 deletions
@@ -445,8 +445,10 @@ class NativeAudioService:

    def render_vst2_offline(self, plugin_path, notes, bpm=120.0, sr=44100,
                            gain_db=0.0, pan=0.0, lim_active=False,
-                            threshold_db=-1.0, master_gain_db=0.0):
-        """Offline VST2: SF_VST2_Process (raw) + mixer_math (Python mirror)."""
+                            threshold_db=-1.0, master_gain_db=0.0, tail_sec=0.5):
+        """Offline VST2: SF_VST2_Process (raw) + mixer_math (Python mirror).
+
+        tail_sec: duoi im lang sau note cuoi (autosample muon release tail)."""
        with _LOCK:
            dll = self._load_vst2_dll()
            ctx = _Vst2Ctx(dll)
@@ -466,7 +468,7 @@ class NativeAudioService:
                    events.append((int((start_s + dur_s) * sr), "off", pitch, 0))
                    total = max(total, start_s + dur_s)
                events.sort(key=lambda e: e[0])
-                n = int((max(total, 0.25) + 0.5) * sr)
+                n = int((max(total, 0.25) + float(tail_sec)) * sr)
                out = np.zeros((2, n), dtype=np.float32)
                block = 256
                pos = 0