fix: synth để gắn soundfont cho midi

app/core/vst_engine.py

@@ -86,9 +86,10 @@ if HAS_PYFLUIDSYNTH:
 
 
 class PluginManager:
-    def __init__(self, vst_dir="/opt/daw_engine/vst3", sf_dir="/opt/daw_engine/soundfonts"):
+    def __init__(self, vst_dir="/opt/daw_engine/vst3", sf_dir="/opt/daw_engine/soundfonts", upload_sf_dir=None):
         self.vst_dir = vst_dir
         self.sf_dir = sf_dir
+        self.upload_sf_dir = upload_sf_dir
 
     def _scan_plugins(self) -> dict:
         plugins = {}
@@ -104,11 +105,15 @@ class PluginManager:
 
     def _scan_soundfonts(self) -> list:
         sfonts = []
-        if not os.path.isdir(self.sf_dir):
-            return sfonts
-        for f in os.listdir(self.sf_dir):
-            if f.endswith(".sf2") or f.endswith(".sf3"):
-                sfonts.append({"id": os.path.splitext(f)[0], "name": f, "file": f})
+        dirs = [self.sf_dir]
+        if self.upload_sf_dir and self.upload_sf_dir != self.sf_dir:
+            dirs.append(self.upload_sf_dir)
+        for d in dirs:
+            if not os.path.isdir(d):
+                continue
+            for f in os.listdir(d):
+                if f.endswith(".sf2") or f.endswith(".sf3"):
+                    sfonts.append({"id": os.path.splitext(f)[0], "name": f, "file": f})
         return sfonts
 
     def load_vst(self, plugin_name: str, preset_data: dict = None):