Create app.py

app.py

@@ -0,0 +1,68 @@
+import gradio as gr
+import subprocess
+import os
+import shutil
+
+def separate_audio(input_file):
+    if input_file is None:
+        return None, None, "Please upload a file first."
+    
+    # 1. Setup paths
+    output_dir = "separated"
+    if os.path.exists(output_dir):
+        shutil.rmtree(output_dir) # Clean up previous run
+    os.makedirs(output_dir, exist_ok=True)
+    
+    print(f"Processing: {input_file}")
+    
+    # 2. Run Demucs (Command Line Interface inside Python)
+    # We use "htdemucs" (high quality) and 2 stems (vocals/accompaniment)
+    command = [
+        "demucs",
+        "--two-stems=vocals",
+        "-n", "htdemucs",
+        "--out", output_dir,
+        input_file
+    ]
+    
+    try:
+        subprocess.run(command, check=True)
+    except subprocess.CalledProcessError as e:
+        return None, None, f"Error during separation: {str(e)}"
+
+    # 3. Locate Output Files
+    # Demucs structure: separated/htdemucs/{filename}/vocals.wav
+    filename_no_ext = os.path.splitext(os.path.basename(input_file))[0]
+    target_folder = os.path.join(output_dir, "htdemucs", filename_no_ext)
+    
+    vocals_path = os.path.join(target_folder, "vocals.wav")
+    bg_path = os.path.join(target_folder, "no_vocals.wav")
+    
+    if os.path.exists(vocals_path) and os.path.exists(bg_path):
+        return vocals_path, bg_path, "✅ Separation Complete!"
+    else:
+        return None, None, "❌ Could not find output files."
+
+# --- The Interface ---
+with gr.Blocks(title="Indic Dubbing Studio") as demo:
+    gr.Markdown("# 🎙️ Indic Dubbing Studio - Phase 1")
+    gr.Markdown("Step 1: Separate your video into **Vocals** (for translation) and **Background** (for mixing).")
+    
+    with gr.Row():
+        with gr.Column():
+            input_file = gr.Audio(type="filepath", label="Upload Video or Audio", sources=["upload"])
+            process_btn = gr.Button("Split Audio (Demucs)", variant="primary")
+        
+        with gr.Column():
+            status_output = gr.Label(label="Status")
+            out_vocals = gr.Audio(label="Vocals (Clean Speech)")
+            out_bg = gr.Audio(label="Background (Music/SFX)")
+
+    process_btn.click(
+        fn=separate_audio,
+        inputs=[input_file],
+        outputs=[out_vocals, out_bg, status_output]
+    )
+
+if __name__ == "__main__":
+    demo.launch()