format('Ymd-His'); $output = array(); $responded = false; exec('ping 10.0.0.254 -n 1', $output, $return); foreach($output as $line){ if(strstr($line, 'Reply from') !== false){ $responded = true; break; } } if($responded == false){ } $cmd = "U:/secvid/ffmpeg-20190225-2e67f75-win64-static/bin/ffmpeg.exe -y -i rtsp://10.0.0.244:554/11 -c copy -an U:/secvid/".$datetime.".mkv 2>&1"; $logFile = "U:/secvid/".$datetime."_log.txt"; $fp = fopen($logFile, 'a'); fwrite($fp, $cmd . PHP_EOL); $descriptorspec = array( 0 => array("pipe", "r"), // stdin is a pipe that the child will read from 1 => array("pipe", "w"), // stdout is a pipe that the child will write to 2 => array("pipe", "w") // stderr is a pipe that the child will write to ); $process = proc_open($cmd, $descriptorspec, $pipes); echo "

";
if (is_resource($process)) {
    while (!feof($pipes[1])) {
        if(time() > $startTime + $recordTime - 2){
            fwrite($pipes[0], 'q');
            //exec('taskkill /IM ffmpeg.exe', $output, $return);
            //proc_terminate($process, SIGTERM);
            break;
        }
        $s = fread($pipes[1],1);
        print $s;
        fputs($fp, $s);
        flush();
    }
}
fclose($fp);
echo "Ended".PHP_EOL;
echo "

"; ?>