fix: piano roll và main session play

2026-07-23 21:05:26 +07:00
parent f0210dd019
commit 1a28ebabee
6 changed files with 78 additions and 19 deletions
@@ -164,6 +164,35 @@ class PluginManager:
        except Exception:
            return None

+    def list_soundfont_instruments(self, sf_id: str):
+        if not HAS_PYFLUIDSYNTH:
+            return []
+        dirs = [self.sf_dir]
+        if self.upload_sf_dir:
+            dirs.append(self.upload_sf_dir)
+        for d in dirs:
+            for f in os.listdir(d):
+                base = os.path.splitext(f)[0]
+                if base == sf_id or base == sf_id.replace("sf_", ""):
+                    path = os.path.join(d, f)
+                    try:
+                        fl = fluidsynth.FluidSynth(sample_rate=44100, gain=0.2)
+                        fid = fl.sfload(path)
+                        count = fl.sfont_get_preset_count(fid)
+                        presets = []
+                        for pi in range(count):
+                            try:
+                                name = fl.sfont_get_preset_name(fid, pi)
+                                bank, prog = fl.sfont_get_preset_bank_num(fid, pi), fl.sfont_get_preset_prog_num(fid, pi)
+                                presets.append({"bank": bank, "program": prog, "name": name})
+                            except Exception:
+                                pass
+                        fl.delete()
+                        return presets
+                    except Exception:
+                        pass
+        return []
+
    def list_available(self) -> dict:
        return {
            "vst_instruments": [