duration min 30 to 15

app.py

@@ -169,7 +169,7 @@ def generate(style, lyrics, cot, seed, cfg_scale, duration, ending):
         duration = int(duration) if duration else 120
     except Exception:
         duration = 120
-    duration = max(30, min(duration, 360))
+    duration = max(15, min(duration, 360))
     exact = str(ending or "Exact").lower().startswith("exact")
     if not exact:
         # Natural: let the model finish on its own; close with a real [Outro]
@@ -249,7 +249,7 @@ with gr.Blocks(title="YuE2-3B Music") as demo:
                 seed = gr.Number(label="Seed", value=0, precision=0)
                 cfg = gr.Number(label="CFG scale (1.0 = default)", value=1.0, precision=2)
             with gr.Row():
-                duration = gr.Slider(30, 360, value=60, step=10, label="Duration (seconds)", scale=3)
+                duration = gr.Slider(15, 360, value=60, step=10, label="Duration (seconds)", scale=3)
                 ending = gr.Radio(["Exact", "Natural"], value="Exact", label="Ending", scale=2)
                 duration_txt = gr.Textbox(value="1:00 min", label="≈ time", scale=1, interactive=False)
             btn = gr.Button("Generate song", variant="primary")