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app.py

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+import gradio as gr
+from transformers import pipeline
+import scipy.io.wavfile
+import numpy as np
+
+# 1. LOAD MODEL MUSICGEN
+# Kita menggunakan versi 'small' agar cepat & ringan di Free Tier Hugging Face
+print("Sedang memuat model MusicGen...")
+synthesiser = pipeline("text-to-audio", model="facebook/musicgen-small")
+
+def generate_music(text, duration):
+    if not text:
+        return None
+    
+    print(f"🎵 Membuat musik: '{text}' selama {duration} detik...")
+    
+    # Generate audio
+    # forward_params max_new_tokens mengatur durasi (kurang lebih 1 token ≈ 0.02 detik)
+    # 256 token ≈ 5 detik, 512 ≈ 10 detik
+    # Kita buat dinamis berdasarkan input user
+    max_tokens = int(duration * 50) 
+    
+    music = synthesiser(text, forward_params={"max_new_tokens": max_tokens})
+    
+    # Konversi output ke format yang bisa diputar Gradio
+    audio_data = music["audio"]
+    sampling_rate = music["sampling_rate"]
+    
+    # Normalisasi audio agar suaranya jelas
+    audio_data = audio_data / np.max(np.abs(audio_data))
+    
+    return (sampling_rate, audio_data.T)
+
+# 2. ANTARMUKA GRADIO
+with gr.Blocks(theme=gr.themes.Soft()) as demo:
+    gr.Markdown("""
+    <h1 style='text-align: center;'>🎵 SonicGen: AI Music Creator</h1>
+    <p style='text-align: center;'>Jadilah komposer musik instan! Ketik deskripsi musik yang Anda inginkan, dan AI akan menciptakannya untuk Anda.</p>
+    """)
+    
+    with gr.Row():
+        with gr.Column():
+            inp_text = gr.Textbox(
+                label="🎹 Deskripsi Musik (Prompt)", 
+                placeholder="Contoh: 80s pop track with synth drums and nostalgic melody",
+                lines=2
+            )
+            inp_duration = gr.Slider(minimum=5, maximum=15, value=10, step=1, label="⏱️ Durasi (Detik)")
+            btn = gr.Button("✨ Ciptakan Musik", variant="primary")
+            
+        with gr.Column():
+            out_audio = gr.Audio(label="🎧 Hasil Generasi AI", type="numpy")
+            
+    # Contoh prompt agar user bisa langsung mencoba
+    gr.Examples(
+        examples=[
+            ["A dynamic soundtrack for an epic space battle", 10],
+            ["Lo-fi hip hop beat perfect for studying and relaxing", 10],
+            ["Acoustic guitar melody with birds chirping in background", 10]
+        ],
+        inputs=[inp_text, inp_duration]
+    )
+
+    btn.click(fn=generate_music, inputs=[inp_text, inp_duration], outputs=out_audio)
+
+if __name__ == "__main__":
+    demo.launch()

requirements.txt

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+transformers
+torch
+scipy
+numpy