added default volume

sync_audio_test.py

@@ -79,11 +79,12 @@ def decimate_with_peak(arr: np.ndarray, peak_idx: int, max_pts: int = 200_000) -
     return out, idx_out
 
 
-def find_wavs_from_config(cfg: dict) -> tuple[str, str, int, float, float]:
+def find_wavs_from_config(cfg: dict) -> tuple[str, str, int, float, float, int]:
     audio_cfg = cfg.get("audio", {})
     extract_cfg = cfg.get("extract", {})
     sync_cfg = cfg.get("sync", {})
     sr = int(audio_cfg.get("sample_rate", 48000))
+    volume = int(audio_cfg.get("volume"))
     # priority: explicit wav paths else derived from extracted dir
     a_wav = audio_cfg.get("file_a_wav")
     b_wav = audio_cfg.get("file_b_wav")
@@ -109,12 +110,12 @@ def find_wavs_from_config(cfg: dict) -> tuple[str, str, int, float, float]:
     duration = extract_cfg.get("duration", 90)
     start = float(extract_cfg.get("start", 0.0))
     # duration_sec comment: only duration needed is off the extract — we respect that
-    return a_wav, b_wav, sr, float(start), float(duration)
+    return a_wav, b_wav, sr, float(start), float(duration), volume
 
 
 class SyncWindow(QtWidgets.QMainWindow):
     def __init__(self, a_path: str, b_path: str, sr: int = 48000, method: str = "phat", device: str = "auto",
-                 video_a: str = "", video_b: str = "", out_dir: str = "output"):
+                 video_a: str = "", video_b: str = "", out_dir: str = "output", volume: int = 30):
         super().__init__()
         self.setWindowTitle(f"movie_sync — audio sync test — {device_info()}")
         self.resize(1400, 900)
@@ -253,10 +254,10 @@ class SyncWindow(QtWidgets.QMainWindow):
         ctr2.addWidget(QtWidgets.QLabel("Volume:"))
         self.vol = QtWidgets.QSlider(QtCore.Qt.Orientation.Horizontal)
         self.vol.setRange(0, 100)
-        self.vol.setValue(70)
+        self.vol.setValue(volume)
         self.vol.setMaximumWidth(200)
         ctr2.addWidget(self.vol)
-        self.vol_label = QtWidgets.QLabel("70%")
+        self.vol_label = QtWidgets.QLabel(f"{volume}%")
         ctr2.addWidget(self.vol_label)
 
         self.btn_play_a = QtWidgets.QPushButton("Play A")
@@ -507,7 +508,7 @@ def main():
     args = ap.parse_args()
 
     cfg = load_config(args.config)
-    cfg_a, cfg_b, sr, _, _ = find_wavs_from_config(cfg)
+    cfg_a, cfg_b, sr, _, _, volume = find_wavs_from_config(cfg)
     a_path = args.a or cfg_a
     b_path = args.b or cfg_b
     method = args.method or cfg.get("sync", {}).get("method", "phat")
@@ -554,7 +555,7 @@ def main():
     app.setPalette(dark)
     pg.setConfigOptions(antialias=True, background="#1e1e1e", foreground="#ddd")
     w = SyncWindow(a_path, b_path, sr=sr, method=method, device=device,
-                   video_a=video_a, video_b=video_b, out_dir=out_dir)
+                   video_a=video_a, video_b=video_b, out_dir=out_dir, volume=volume)
     w.show()
     sys.exit(app.exec())