Create main.py

main.py

@@ -0,0 +1,38 @@
+from fastapi import FastAPI, File, UploadFile, Form
+from fastapi.responses import FileResponse
+import tempfile
+import shutil
+import os
+
+app = FastAPI()
+
+@app.post("/merge")
+async def merge_endpoint(
+    files: list[UploadFile] = File(...),
+    orig_vol: float = Form(1.0),
+    music_vol: float = Form(0.5),
+):
+    temp_dir = tempfile.mkdtemp()
+    try:
+        saved_files = []
+        # Save uploaded files to disk
+        for upload_file in files:
+            file_path = os.path.join(temp_dir, upload_file.filename)
+            with open(file_path, "wb") as out_file:
+                content = await upload_file.read()
+                out_file.write(content)
+            saved_files.append(file_path)
+
+        # Your merge logic here
+        # For demo: just return first uploaded file as "merged" output
+        if not saved_files:
+            return {"error": "No files uploaded"}
+
+        output_path = saved_files[0]
+
+        # Return the merged file (video or audio)
+        return FileResponse(output_path, media_type="application/octet-stream", filename="merged_output")
+
+    finally:
+        # Cleanup temp_dir after response is sent
+        shutil.rmtree(temp_dir)