default mp3, remove format selector, increase LM timeout to 900s

app.py

@@ -87,7 +87,7 @@ def _run_pipeline(caption, lyrics, bpm, duration, seed, steps, output_format,
     if adapter:
         req["adapter"] = adapter
 
-    fmt = output_format if output_format in ("wav", "mp3") else "wav"
+    fmt = output_format if output_format in ("wav", "mp3") else "mp3"
     synth_fmt = "wav16" if fmt == "wav" else "mp3"
     suffix = f".{fmt}"
 
@@ -101,7 +101,7 @@ def _run_pipeline(caption, lyrics, bpm, duration, seed, steps, output_format,
 
     if progress_cb:
         progress_cb("lm_poll", {"job_id": lm_job_id})
-    lm_status, lm_elapsed = _poll_job(lm_job_id, timeout=300)
+    lm_status, lm_elapsed = _poll_job(lm_job_id, timeout=900)
     if lm_status != "done":
         raise RuntimeError(f"LM {lm_status} after {lm_elapsed:.0f}s")
 
@@ -235,7 +235,7 @@ def gradio_main():
 
     # -- Generate tab handler --
     def generate_music(caption, lyrics, instrumental, bpm, duration, seed,
-                       steps, output_format, progress=gr.Progress(track_tqdm=True)):
+                       steps, progress=gr.Progress(track_tqdm=True)):
         if not _server_ok():
             return None, "ace-server not running. Check logs."
 
@@ -266,7 +266,7 @@ def gradio_main():
                 duration=duration,
                 seed=actual_seed,
                 steps=steps,
-                output_format=output_format,
+                output_format="mp3",
                 progress_cb=gr_progress,
             )
             return audio_path, status
@@ -502,10 +502,6 @@ finally:
                         value=8, step=1, scale=1,
                     )
                     seed = gr.Number(label="Seed (-1=random)", value=-1, scale=1)
-                    output_format = gr.Radio(
-                        label="Format", choices=["wav", "mp3"],
-                        value="wav", scale=1,
-                    )
 
                 with gr.Row(elem_classes="compact-row"):
                     gen_btn = gr.Button("Generate Music", variant="primary", scale=2)
@@ -514,7 +510,7 @@ finally:
                 gen_btn.click(
                     fn=generate_music,
                     inputs=[caption, lyrics, instrumental, bpm, duration,
-                            seed, steps, output_format],
+                            seed, steps],
                     outputs=[audio_out, status],
                     api_name="generate",
                 )