Update app.py

app.py

@@ -804,8 +804,8 @@ async def genvideo_airforce(request: Request, prompt: str = None):
         "prompt": prompt,
         "n": 1,
         "size": "1024x1024",
-        "response_format": "url",
-        "sse": True,
+        "response_format": "b64_json",
+        "sse": False,
         "mode": "normal",
         "aspectRatio": "3:2"
     }
@@ -819,15 +819,31 @@ async def genvideo_airforce(request: Request, prompt: str = None):
 
     if resp.status_code != 200:
         return JSONResponse(status_code=resp.status_code, content=resp.json())
+    if not resp.content:
+        raise HTTPException(
+            status_code=502,
+            detail="api.airforce returned empty response"
+        )
+
+    try:
+        result = resp.json()
+        b64_video = result["data"][0]["b64_json"]
+    except Exception:
+        raise HTTPException(
+            502,
+            f"Invalid api.airforce response: {resp.text[:500]}"
+        )
+
+    if not b64_video:
+        raise HTTPException(502, "Airforce returned empty b64_json")
 
-    result = resp.json()
-    video_url = result.get("data", [{}])[0].get("url")
-    if not video_url:
-        raise HTTPException(500, "No video URL returned from Airforce")
+    video_bytes = base64.b64decode(b64_video)
 
-    video_resp = await client.get(video_url)
     return Response(
-        content=video_resp.content,
+        content=video_bytes,
         media_type="video/mp4",
-        headers={"Content-Length": str(len(video_resp.content))}
+        headers={
+            "Content-Length": str(len(video_bytes)),
+            "Accept-Ranges": "bytes",
+        },
     )