1 files changed, 89 insertions, 0 deletions
diff --git a/tools/init.php b/tools/init.php
new file mode 100644
index 0000000..65de424
--- /dev/null
+++ b/tools/init.php
@@ -0,0 +1,89 @@
+<?php
+
+function get($url) {
+    $ch = curl_init();
+    curl_setopt($ch, CURLOPT_URL, $url);
+    curl_setopt($ch, CURLOPT_RETURNTRANSFER, 1);
+    $data = curl_exec($ch);
+    curl_close($ch);
+    return $data;
+}
+
+function secToDuration($seconds){
+    $minutes  = intval($seconds/60);
+    $seconds = ($seconds - ($minutes * 60));
+    return $minutes . ' minutes ' . $seconds . ' seconds';
+}
+
+function parseStream($stream){
+    $available_formats = [];
+    foreach ($stream as $format) {
+        parse_str($format, $format_info);
+        if (isset($format_info['bitrate'])) $quality = isset($format_info['quality_label'])?$format_info['quality_label']:round($format_info['bitrate']/1000). 'k';
+        else $quality = isset($format_info['quality'])?$format_info['quality']:'';
+
+        switch ($quality){
+            case 'hd720':
+                $quality = "720p";
+                break;
+            case 'medium':
+                $quality = "360p";
+                break;
+            case 'small':
+                $quality = "240p"; // May Less
+                break;
+        }
+        $type = explode(";", $format_info['type']);
+        $type= $type[0];
+        switch ($type) {
+            case 'video/3gpp':
+                $type = "3GP";
+                break;
+            case 'video/mp4':
+                $type = "MP4";
+                break;
+            case 'video/webm':
+                $type = "WEBM";
+                break;
+        }
+        
+        $libretype = explode(";", $format_info['type']);
+        $libretype= $libretype[0];
+        switch ($libretype) {
+            case 'video/webm':
+                $libretype = "video/webm";
+                break;
+        }
+        
+        $available_formats[] = [
+            'itag' =>  $format_info['itag'],
+            'quality' => $quality,
+            'type' => $type,
+            'libretype' => $libretype,
+            'url' => $format_info['url'],
+            'size' => getSize($format_info['url']),
+
+        ];
+    }
+   
+    return $available_formats;
+}
+
+function getSize($url)
+{
+
+    $ch = curl_init($url);
+    curl_setopt($ch, CURLOPT_HEADER, true);
+    curl_setopt($ch, CURLOPT_NOBODY, true);
+    curl_setopt($ch, CURLOPT_RETURNTRANSFER, true);
+    curl_setopt($ch, CURLOPT_TIMEOUT, 10);
+    curl_setopt($ch, CURLOPT_FOLLOWLOCATION, 1);
+    curl_setopt($ch, CURLOPT_SSL_VERIFYPEER, 0);
+    $r = curl_exec($ch);
+
+    foreach (explode("\n", $r) as $header) {
+        if (strpos($header, 'Content-Length:') === 0) {
+            return intval(intval(trim(substr($header, 16)))/ (1024*1024)) . " MB";
+        }
+    }
+}