Thrown away excess data. Camera re-stream

controllers/CameraController.php

@@ -0,0 +1,36 @@
+<?php
+
+namespace app\controllers;
+
+use Yii;
+use yii\web\Controller;
+
+class CameraController extends Controller
+{
+
+    public function actionStream($id)
+    {
+		$cms = Yii::$app->params['cameras'];
+		if (!isset($cms[$id]))
+		{
+			throw new NotFoundHttpException();
+		}
+		$zm_id = $cms[$id];
+		$source_url = Yii::$app->params['zmUrl'].'/cgi-bin/nph-zms?scale=50&mode=jpeg&maxfps=30&buffer=1000&monitor='.$zm_id.'&connkey='.rand(0, 65536);
+		$fp = fopen($source_url, 'r', false);
+		if ($fp)
+		{
+			Yii::$app->response->format = \yii\web\Response::FORMAT_RAW;
+			// send mjpeg header:
+			header("Cache-Control: no-cache");
+			header("Cache-Control: private");
+			header("Pragma: no-cache");
+			header("Content-type: multipart/x-mixed-replace; boundary=boundarydonotcross");
+
+			// pass data
+			fpassthru($fp);
+			fclose($fp);
+		}
+		else throw new NotFoundHttpException();
+    }
+}