From 1b65668acfc7bec3d961d54a99db8950f8d8115e Mon Sep 17 00:00:00 2001
From: Horus3
Date: Mon, 15 Sep 2014 02:02:19 +0200
Subject: 'check back later' message for audio extraction added.

---
 dl.php | 7 +++++--
 1 file changed, 5 insertions(+), 2 deletions(-)

diff --git a/dl.php b/dl.php
index 3fd0753..3ae986c 100644
--- a/dl.php
+++ b/dl.php
@@ -85,6 +85,9 @@ switch($_GET["task"]){
 
 	case("xtau"): /* extracting audio */
 		ignore_user_abort(true);
+		if(file_exists($CACHEDIR."/".$info[2].".audio.txt"))
+			failure('<h3>Already processing the request. Check back later.</h3><br><img src="/static/ajax-loader.gif" alt="ajax-loader"/>', false);
+
 		# get file information
 		exec("youtube-dl -x --get-filename --output ".escapeshellarg($CACHEDIR."/".$info[2].".%(ext)s") . " ".escapeshellarg($info[0]), $output, $ret);
 		if($ret != 0)
@@ -92,8 +95,8 @@ switch($_GET["task"]){
 
 		# file name with correct extension, but cache dir at first
 		$file = $output[0];
-
-		if(!file_exists($file) || !file_exists($CACHEDIR."/".$info[2].".audio.txt")){
+		
+		if(!file_exists($file)){
 			$ret = video_xt_audio($info[0], $CACHEDIR, $info[2]);
 			if(!$ret)
 				failure("Fetching the video failed.", true);
-- 
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