<?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();
    }
}