From 3a8085d8981c6521cdf5dd3b5ed3412b2aac011e Mon Sep 17 00:00:00 2001
From: Horus3
Date: Sun, 14 Sep 2014 23:43:51 +0200
Subject: added support for webm videos

---
 dl.php     | 43 ++++++++++++++++++++++++++++++++++---------
 func.php   | 22 +++++++++++++++++++++-
 stream.php | 17 +++++++++++++++++
 3 files changed, 72 insertions(+), 10 deletions(-)

diff --git a/dl.php b/dl.php
index 88d597e..4e6efe6 100644
--- a/dl.php
+++ b/dl.php
@@ -10,7 +10,7 @@ require_once("class/redis.php");
 @ini_set("memory_limit",'150M');
 set_time_limit(0);
 
-$db = new  database($REDIS_DBNAME, $REDIS_CONNECT);
+$db = new database($REDIS_DBNAME, $REDIS_CONNECT);
 $db->open();
 if(!$db->listExists($_GET["vid"])){
 	failure("No video information found.", true);
@@ -119,16 +119,19 @@ switch($_GET["task"]){
 
 	case("stream"):
 		ignore_user_abort(true);
+		if(file_exists($CACHEDIR."/".$info[2].".txt"))
+			failure('Already doing the request.', false);
 		# send 'cached' response in case we already have the video on disk
 		if(file_exists($CACHEDIR."/".$info[2]) && !file_exists($CACHEDIR."/".$info[2].".txt")){
 			echo "cached";
-		} else {
-			# but in most cases we don't, so let's download it
-			$ret = video_dl($info[0], $CACHEDIR, $info[2]);
-			if(!$ret)
-				failure("Fetching the video failed.", false);
-			else
-				unlink($CACHEDIR."/".$info[2].".txt");
+			exit;
+		} 
+		# but in most cases we don't, so let's download it
+		$ret = video_dl($info[0], $CACHEDIR, $info[2]);
+		if(!$ret)
+			failure("Fetching the video failed.", false);
+		else
+			unlink($CACHEDIR."/".$info[2].".txt");
 		}
 		break;
 
@@ -140,8 +143,30 @@ switch($_GET["task"]){
 		pr_player(htmlentities($CACHEDIR . "/" . $info[2]), htmlentities($info[4]), htmlentities($mime), htmlentities($info[1]), htmlentities($info[2]));
 		break;
 
+	case("convert"):
+		$dir = array_diff(scandir($CACHEDIR), array('.', '..'));
+		if(!in_array($_GET['vid'], $dir)){
+			failure('Video not found.' false);
+		}
+		if(file_exists($CACHEDIR."/".$info[2].".webm.txt"))
+			exit;
+		if(file_exists($CACHEDIR."/".$info[2]."webm")){
+			echo "cached";
+			exit;
+		}
+		if(!convert_video($info[2]))
+			failure("Converting video failed.", false);
+		else
+			unlink($CACHEDIR."/".$info[2].".webm.txt");
+
+		$finfo = new finfo(FILEINFO_MIME_TYPE);
+		$mime = $finfo->file($CACHEDIR . "/" . $info[2]);
+
+		pr_player(htmlentities($CACHEDIR . "/" . $info[2]), htmlentities($info[4]), htmlentities($mime), htmlentities($info[1]), htmlentities($info[2]), true);
+
+		break;
+
 	default:
 		failure("I don't understand your question.", true);
 		break;
-		
 }
diff --git a/func.php b/func.php
index 3c6adb7..e1bf9bb 100644
--- a/func.php
+++ b/func.php
@@ -68,7 +68,26 @@ function video_xt_audio($VIDEO, $CACHEDIR, $FILENAME){
 	return true;
 }
 
-function pr_player($file, $thumb, $mime, $title, $vid){
+function convert_video($FILENAME){
+	$fp=fopen($CACHEDIR."/".$FILENAME.".webm.txt", "w");
+	$content="extracting audio: ".$FILENAME."\n";
+	fputs($fp, $content);
+	fclose($fp);
+	if(file_exists($FILENAME.".mp4") || file_exists($FILENAME.".webm"))
+		return;
+	rename($CACHEDIR . "/" . $FILENAME, $CACHEDIR . "/" . $FILENAME. ".mp4");
+	exec("ffmpeg -i " . $CACHEDIR . "/" . $VID . ".mp4 " .  $CACHEDIR . "/" . $VID . ".webm", $pid, $ret);
+	rename($CACHEDIR . "/" . $FILENAME . ".mp4", $CACHEDIR . "/" . $FILENAME);
+	if($ret != 0){
+		return false;
+	} 
+
+	return true;
+}
+
+function pr_player($file, $thumb, $mime, $title, $vid, $html5 = false){
+if($html5)
+	$WEBMVIDEO = "<source src=\"/".htmlentities($file.".webm")."\" type='video/webm' />";
 echo "
 <h1>".htmlentities($title)."</h1>
 <br>
@@ -78,6 +97,7 @@ echo "
 	poster=\"".htmlentities($thumb)."\"
 	data-setup='{\"techOrder\":[\"html5\",\"flash\"]}'>
 		<source src=\"/".htmlentities($file)."\" type='".htmlentities($mime)."' />
+		".$WEBMVIDEO."
 	  <p class=\"vjs-no-js\">To view this video please enable JavaScript, and consider upgrading to a web browser that <a href=\"http://videojs.com/html5-video-support/\" target=\"_blank\">supports HTML5 video</a></p>
 
 <object id=\"flash_fallback_1\" class=\"vjs-flash-fallback\" width=\"640\" height=\"264\" type=\"application/x-shockwave-flash\" 
diff --git a/stream.php b/stream.php
index bbcc9a7..e304d9c 100644
--- a/stream.php
+++ b/stream.php
@@ -53,6 +53,23 @@ unset($db);
 						}
 						else if(task == "player"){
 							document.getElementById('middle').innerHTML=r.responseText;
+							var canPlay = false;
+							var v = document.createElement('video');
+							if(v.canPlayType && v.canPlayType('video/mp4').replace(/no/, '')) {
+								canPlay = true;
+							}
+							if(canPlay != true){
+								var canWebm = false;
+								if(v.canPlayType && v.canPlayType('video/webm').replace(/no/, '')){
+									if(window.confirm("It seems your browser doesn't support mp4 videos. Do you want to convert it to webm?")){
+										doVideo("convert");
+									}
+								} else {
+									alert("Sorry, it seems your browser doesn't support our video formats.");
+								}
+							}
+						} else if(task == "convert"){
+							document.getElementById('middle').innerHTML=r.responseText;
 						} else {
 							doVideo("player");
 						}
-- 
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