-

agv_app/app.py

@@ -1132,6 +1132,38 @@ def api_arm_camera_refresh():
         return "", 404
 
 
+@app.route("/api/camera/arm_preview")
+def api_arm_camera_preview():
+    """代理机械臂 MJPEG 视频流，供页面连续预览。"""
+    import requests
+    try:
+        upstream = requests.get(
+            ARM_CAMERA_CONFIG["url"],
+            stream=True,
+            timeout=(3, 10),
+        )
+        if upstream.status_code != 200:
+            upstream.close()
+            return "", 404
+
+        def generate():
+            try:
+                for chunk in upstream.iter_content(chunk_size=8192):
+                    if chunk:
+                        yield chunk
+            finally:
+                upstream.close()
+
+        return Response(
+            generate(),
+            mimetype="multipart/x-mixed-replace; boundary=frame",
+            headers={"Cache-Control": "no-cache, no-store, must-revalidate, max-age=0"},
+        )
+    except Exception as ex:
+        logger.error(f"arm_preview 失败: {ex}")
+        return "", 404
+
+
 @app.route("/api/camera/qr_scan", methods=["GET"])
 def api_qr_scan():
     """扫描一次二维码"""