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[autoinstallsdev/mediawiki.git] / vendor / james-heinrich / getid3 / getid3 / module.audio.mod.php

diff --git a/vendor/james-heinrich/getid3/getid3/module.audio.mod.php b/vendor/james-heinrich/getid3/getid3/module.audio.mod.php
new file mode 100644 (file)
index 0000000..4b888ec
--- /dev/null
+++ b/vendor/james-heinrich/getid3/getid3/module.audio.mod.php
@@ -0,0 +1,99 @@
+<?php
+/////////////////////////////////////////////////////////////////
+/// getID3() by James Heinrich <info@getid3.org>               //
+//  available at http://getid3.sourceforge.net                 //
+//            or http://www.getid3.org                         //
+//          also https://github.com/JamesHeinrich/getID3       //
+/////////////////////////////////////////////////////////////////
+// See readme.txt for more details                             //
+/////////////////////////////////////////////////////////////////
+//                                                             //
+// module.audio.mod.php                                        //
+// module for analyzing MOD Audio files                        //
+// dependencies: NONE                                          //
+//                                                            ///
+/////////////////////////////////////////////////////////////////
+
+
+class getid3_mod extends getid3_handler
+{
+
+       public function Analyze() {
+               $info = &$this->getid3->info;
+               $this->fseek($info['avdataoffset']);
+               $fileheader = $this->fread(1088);
+               if (preg_match('#^IMPM#', $fileheader)) {
+                       return $this->getITheaderFilepointer();
+               } elseif (preg_match('#^Extended Module#', $fileheader)) {
+                       return $this->getXMheaderFilepointer();
+               } elseif (preg_match('#^.{44}SCRM#', $fileheader)) {
+                       return $this->getS3MheaderFilepointer();
+               } elseif (preg_match('#^.{1080}(M\\.K\\.|M!K!|FLT4|FLT8|[5-9]CHN|[1-3][0-9]CH)#', $fileheader)) {
+                       return $this->getMODheaderFilepointer();
+               }
+               $this->error('This is not a known type of MOD file');
+               return false;
+       }
+
+
+       public function getMODheaderFilepointer() {
+               $info = &$this->getid3->info;
+               $this->fseek($info['avdataoffset'] + 1080);
+               $FormatID = $this->fread(4);
+               if (!preg_match('#^(M.K.|[5-9]CHN|[1-3][0-9]CH)$#', $FormatID)) {
+                       $this->error('This is not a known type of MOD file');
+                       return false;
+               }
+
+               $info['fileformat'] = 'mod';
+
+               $this->error('MOD parsing not enabled in this version of getID3() ['.$this->getid3->version().']');
+               return false;
+       }
+
+       public function getXMheaderFilepointer() {
+               $info = &$this->getid3->info;
+               $this->fseek($info['avdataoffset']);
+               $FormatID = $this->fread(15);
+               if (!preg_match('#^Extended Module$#', $FormatID)) {
+                       $this->error('This is not a known type of XM-MOD file');
+                       return false;
+               }
+
+               $info['fileformat'] = 'xm';
+
+               $this->error('XM-MOD parsing not enabled in this version of getID3() ['.$this->getid3->version().']');
+               return false;
+       }
+
+       public function getS3MheaderFilepointer() {
+               $info = &$this->getid3->info;
+               $this->fseek($info['avdataoffset'] + 44);
+               $FormatID = $this->fread(4);
+               if (!preg_match('#^SCRM$#', $FormatID)) {
+                       $this->error('This is not a ScreamTracker MOD file');
+                       return false;
+               }
+
+               $info['fileformat'] = 's3m';
+
+               $this->error('ScreamTracker parsing not enabled in this version of getID3() ['.$this->getid3->version().']');
+               return false;
+       }
+
+       public function getITheaderFilepointer() {
+               $info = &$this->getid3->info;
+               $this->fseek($info['avdataoffset']);
+               $FormatID = $this->fread(4);
+               if (!preg_match('#^IMPM$#', $FormatID)) {
+                       $this->error('This is not an ImpulseTracker MOD file');
+                       return false;
+               }
+
+               $info['fileformat'] = 'it';
+
+               $this->error('ImpulseTracker parsing not enabled in this version of getID3() ['.$this->getid3->version().']');
+               return false;
+       }
+
+}