Update app.py

app.py

@@ -5,6 +5,7 @@ import numpy as np
 import gradio as gr
 import soundfile as sf
 from fastapi import FastAPI, Request, HTTPException
+from fastapi.responses import StreamingResponse
 from tts_arabic import tts as arabic_tts
 
 # --------------------------
@@ -152,8 +153,8 @@ app = FastAPI()
 @app.post("/tts")
 async def tts_api(request: Request):
     """
-    Endpoint JSON صريح:
     POST /tts
+
     Headers:
       - x-api-key: ...
       - Content-Type: application/json
@@ -171,11 +172,7 @@ async def tts_api(request: Request):
     }
 
     Response:
-    {
-      "wav_base64": "...",
-      "sample_rate": 22050,
-      "status": "..."
-    }
+      - Binary audio/wav (StreamingResponse)
     """
     key = request.headers.get("x-api-key")
     if key != API_KEY:
@@ -200,18 +197,18 @@ async def tts_api(request: Request):
 
     sr, data = audio
 
-    # -------- تحويل الـnumpy إلى WAV Base64 --------
+    # ----- تحويل الـ numpy إلى ملف WAV في الذاكرة -----
     buffer = BytesIO()
     sf.write(buffer, data, sr, format="WAV")
-    wav_bytes = buffer.getvalue()
-    wav_base64 = base64.b64encode(wav_bytes).decode("utf-8")
+    buffer.seek(0)
 
-    return {
-        "wav_base64": wav_base64,
-        "sample_rate": sr,
-        "status": status,
+    headers = {
+        "Content-Disposition": 'attachment; filename="tts.wav"'
     }
 
+    # StreamingResponse يرجّع ملف صوتي حقيقي
+    return StreamingResponse(buffer, media_type="audio/wav", headers=headers)
+
 
 # نركّب Gradio على الجذر "/"
 app = gr.mount_gradio_app(app, demo, path="/")