From d8ffb077e1fc29ed385ccc15e5e09a5b1054efe9 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Jes=C3=BAs?= <heckyel@hyperbola.info>
Date: Fri, 11 Dec 2020 22:32:47 -0500
Subject: Fix Undefined variable

---
 tools/extract.php   | 121 +++++++++++++++++++++++++++++-----------------------
 tools/processor.php |   1 +
 2 files changed, 68 insertions(+), 54 deletions(-)

diff --git a/tools/extract.php b/tools/extract.php
index 2f82387..97cad90 100644
--- a/tools/extract.php
+++ b/tools/extract.php
@@ -425,38 +425,84 @@ if ( isset($streamin_data_json["videoDetails"]["keywords"]) ) {
 // streams
 if (isset($streamin_data_json["streamingData"])) {
 
-    $strF=$streamin_data_json["streamingData"]["formats"];
-    $strA=$streamin_data_json["streamingData"]["adaptiveFormats"];
+    if (isset($streamin_data_json["streamingData"]["formats"])) {
+        $strF=$streamin_data_json["streamingData"]["formats"];
+    }
+
+    if (isset($streamin_data_json["streamingData"]["adaptiveFormats"])) {
+        $strA=$streamin_data_json["streamingData"]["adaptiveFormats"];
+    }
 
     $vdef = array();
-    foreach ($strF as $stream) {
-        if (isset($stream["signatureCipher"])) {
-            parse_str($stream["signatureCipher"],$dturl);
-            $values = array(
-                'url' => $dturl['url'].'&sig='.sig($dturl['s']),
-                'itag' => $stream['itag'],
-                'type' => $stream['mimeType'],
-                'quality' => $stream['quality'],
-                'fps' => $stream['fps'],
-                'resolution' => $stream['qualityLabel'],
-                'qualityLabel' => $stream['qualityLabel'],
-                'format' => exformat($stream['itag'])
-            );
-            array_push($vdef, $values);
-        } else {
-            if (!empty($strF['url'])) {
+    if (isset($strF)) {
+        foreach ($strF as $stream) {
+            if (isset($stream["signatureCipher"])) {
+                parse_str($stream["signatureCipher"],$dturl);
                 $values = array(
-                    'url' => $strF['url'],
+                    'url' => $dturl['url'].'&sig='.sig($dturl['s']),
+                    'itag' => $stream['itag'],
+                    'type' => $stream['mimeType'],
+                    'quality' => $stream['quality'],
+                    'fps' => $stream['fps'],
+                    'resolution' => $stream['qualityLabel'],
+                    'qualityLabel' => $stream['qualityLabel'],
+                    'format' => exformat($stream['itag'])
                 );
                 array_push($vdef, $values);
+            } else {
+                if (!empty($strF['url'])) {
+                    $values = array(
+                        'url' => $strF['url'],
+                    );
+                    array_push($vdef, $values);
+                }
             }
         }
     }
 
+
     $aud = array();
     $vid = array();
-    foreach ($strF as $stream) {
-        if (isset( $stream['url'] )) {
+    if (isset($strF)) {
+        foreach ($strF as $stream) {
+            if (isset( $stream['url'] )) {
+                if (preg_match('/video/', $stream['mimeType'])) {
+                    $url = $stream['url'];
+                    $values = array(
+                        'url' => $url,
+                        'itag' => $stream['itag'],
+                        'type' => $stream['mimeType'],
+                        'quality' => $stream['quality'],
+                        'fps' => $stream['fps'],
+                        'resolution' => $stream['qualityLabel'],
+                        'qualityLabel' => $stream['qualityLabel'],
+                        'format' => exformat($stream['itag']),
+                    );
+                    array_push($vid, $values);
+                }
+            }
+        }
+    }
+
+    if (isset($strA)) {
+        foreach ($strA as $stream) {
+            if (isset($stream["signatureCipher"])) {
+                parse_str($stream["signatureCipher"],$dturl);
+                $stream['url']=$dturl['url'].'&sig='.sig($dturl['s']);
+            }
+
+            if (preg_match('/audio/', $stream['mimeType'])) {
+                $url = $stream['url'];
+                $values = array(
+                    'url' => $url,
+                    'itag' => $stream['itag'],
+                    'type' => $stream['mimeType'],
+                    'quality' => $stream['quality'],
+                    'format' => exformat($stream['itag']),
+                );
+                array_push($aud, $values);
+            }
+
             if (preg_match('/video/', $stream['mimeType'])) {
                 $url = $stream['url'];
                 $values = array(
@@ -473,39 +519,6 @@ if (isset($streamin_data_json["streamingData"])) {
             }
         }
     }
-    foreach ($strA as $stream) {
-        if (isset($stream["signatureCipher"])) {
-            parse_str($stream["signatureCipher"],$dturl);
-            $stream['url']=$dturl['url'].'&sig='.sig($dturl['s']);
-        }
-
-        if (preg_match('/audio/', $stream['mimeType'])) {
-            $url = $stream['url'];
-            $values = array(
-                'url' => $url,
-                'itag' => $stream['itag'],
-                'type' => $stream['mimeType'],
-                'quality' => $stream['quality'],
-                'format' => exformat($stream['itag']),
-            );
-            array_push($aud, $values);
-        }
-
-        if (preg_match('/video/', $stream['mimeType'])) {
-            $url = $stream['url'];
-            $values = array(
-                'url' => $url,
-                'itag' => $stream['itag'],
-                'type' => $stream['mimeType'],
-                'quality' => $stream['quality'],
-                'fps' => $stream['fps'],
-                'resolution' => $stream['qualityLabel'],
-                'qualityLabel' => $stream['qualityLabel'],
-                'format' => exformat($stream['itag']),
-            );
-            array_push($vid, $values);
-        }
-    }
 
 } else {
     $vdef = array();
diff --git a/tools/processor.php b/tools/processor.php
index 5918873..d442234 100644
--- a/tools/processor.php
+++ b/tools/processor.php
@@ -52,6 +52,7 @@ if (!empty($vdef)) {
 } else {
     $streamFormats = $vid;
     $streamExtra = FALSE;
+    $streamFormatsExtra = NULL;
 }
 
 $videoAuthor = $vidauthor;
-- 
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