Added Tagging, Update to Laravel 5.5, Enabled Video

2018-01-10 08:10:14 +11:00
parent 3012004901
commit 96fadc5080
18 changed files with 1759 additions and 3344 deletions
--- a/app/Helpers/VideoStream.php
+++ b/app/Helpers/VideoStream.php
@@ -0,0 +1,128 @@
+<?php
+
+namespace App\Helpers;
+
+/**
+ * Description of VideoStream
+ *
+ * @author Rana
+ * @link http://codesamplez.com/programming/php-html5-video-streaming-tutorial
+ **/
+class VideoStream
+{
+	private $path = '';
+	private $stream = '';
+	private $buffer = 102400;
+	private $start = -1;
+	private $end = -1;
+	private $size = 0;
+
+	function __construct($filePath)
+	{
+		$this->path = $filePath;
+	}
+
+	/**
+	 * Open stream
+	 **/
+	private function open()
+	{
+		if (! ($this->stream = fopen($this->path,'rb')) ) {
+			die('Could not open stream for reading');
+		}
+	}
+
+	/**
+	 * Set proper header to serve the video content
+	 **/
+	private function setHeader()
+	{
+		ob_get_clean();
+		header('Content-Type: video/mp4');
+		header('Cache-Control: max-age=2592000, public');
+		header('Expires: '.gmdate('D, d M Y H:i:s',time()+2592000) . ' GMT');
+		header('Last-Modified: '.gmdate('D, d M Y H:i:s',@filemtime($this->path)) . ' GMT' );
+		$this->start = 0;
+		$this->size = filesize($this->path);
+		$this->end = $this->size - 1;
+		header('Accept-Ranges: 0-'.$this->end);
+
+		if (isset($_SERVER['HTTP_RANGE'])) {
+
+			$c_start = $this->start;
+			$c_end = $this->end;
+
+			list(,$range) = explode('=',$_SERVER['HTTP_RANGE'],2);
+			if (strpos($range,',') !== false) {
+				header('HTTP/1.1 416 Requested Range Not Satisfiable');
+				header("Content-Range: bytes $this->start-$this->end/$this->size");
+				exit;
+			}
+			if ($range == '-') {
+				$c_start = $this->size - substr($range,1);
+			}else{
+				$range = explode('-',$range);
+				$c_start = $range[0];
+
+				$c_end = (isset($range[1]) && is_numeric($range[1])) ? $range[1] : $c_end;
+			}
+			$c_end = ($c_end > $this->end) ? $this->end : $c_end;
+			if ($c_start > $c_end || $c_start > $this->size - 1 || $c_end >= $this->size) {
+				header('HTTP/1.1 416 Requested Range Not Satisfiable');
+				header("Content-Range: bytes $this->start-$this->end/$this->size");
+				exit;
+			}
+			$this->start = $c_start;
+			$this->end = $c_end;
+			$length = $this->end - $this->start + 1;
+			fseek($this->stream,$this->start);
+			header('HTTP/1.1 206 Partial Content');
+			header("Content-Length: ".$length);
+			header("Content-Range: bytes $this->start-$this->end/".$this->size);
+		}
+		else
+		{
+			header("Content-Length: ".$this->size);
+		}
+
+	}
+
+	/**
+	 * close curretly opened stream
+	 **/
+	private function end()
+	{
+		fclose($this->stream);
+		exit;
+	}
+
+	/**
+	 * perform the streaming of calculated range
+	 **/
+	private function stream()
+	{
+		$i = $this->start;
+		set_time_limit(0);
+		while(!feof($this->stream) && $i <= $this->end) {
+			$bytesToRead = $this->buffer;
+			if (($i+$bytesToRead) > $this->end) {
+				$bytesToRead = $this->end - $i + 1;
+			}
+			$data = fread($this->stream,$bytesToRead);
+			echo $data;
+			flush();
+			$i += $bytesToRead;
+		}
+	}
+
+	/**
+	 * Start streaming video content
+	 **/
+	function start()
+	{
+		$this->open();
+		$this->setHeader();
+		$this->stream();
+		$this->end();
+	}
+}