Mercurial > judyates
diff e2gallerypro/e2upload/Backend/Assets/getid3/module.audio.bonk.php @ 3:3f6b44aa6b35 judyates
[svn r4] added ability to buy stuff, from a Prints page, but it doesn't work well with the css, and it also has not been fitted into the perl make system.
| author | rlm |
|---|---|
| date | Mon, 22 Feb 2010 08:02:39 -0500 |
| parents | |
| children |
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1.1 --- /dev/null Thu Jan 01 00:00:00 1970 +0000 1.2 +++ b/e2gallerypro/e2upload/Backend/Assets/getid3/module.audio.bonk.php Mon Feb 22 08:02:39 2010 -0500 1.3 @@ -0,0 +1,235 @@ 1.4 +<?php 1.5 +// +----------------------------------------------------------------------+ 1.6 +// | PHP version 5 | 1.7 +// +----------------------------------------------------------------------+ 1.8 +// | Copyright (c) 2002-2006 James Heinrich, Allan Hansen | 1.9 +// +----------------------------------------------------------------------+ 1.10 +// | This source file is subject to version 2 of the GPL license, | 1.11 +// | that is bundled with this package in the file license.txt and is | 1.12 +// | available through the world-wide-web at the following url: | 1.13 +// | http://www.gnu.org/copyleft/gpl.html | 1.14 +// +----------------------------------------------------------------------+ 1.15 +// | getID3() - http://getid3.sourceforge.net or http://www.getid3.org | 1.16 +// +----------------------------------------------------------------------+ 1.17 +// | Authors: James Heinrich <infoØgetid3*org> | 1.18 +// | Allan Hansen <ahØartemis*dk> | 1.19 +// +----------------------------------------------------------------------+ 1.20 +// | module.audio.bonk.php | 1.21 +// | Module for analyzing BONK audio files | 1.22 +// | dependencies: module.tag.id3v2.php (optional) | 1.23 +// +----------------------------------------------------------------------+ 1.24 +// 1.25 +// $Id: module.audio.bonk.php,v 1.3 2006/11/02 10:48:01 ah Exp $ 1.26 + 1.27 + 1.28 + 1.29 +class getid3_bonk extends getid3_handler 1.30 +{ 1.31 + 1.32 + public function Analyze() { 1.33 + 1.34 + $getid3 = $this->getid3; 1.35 + 1.36 + $getid3->info['bonk'] = array (); 1.37 + $info_bonk = &$getid3->info['bonk']; 1.38 + 1.39 + $info_bonk['dataoffset'] = $getid3->info['avdataoffset']; 1.40 + $info_bonk['dataend'] = $getid3->info['avdataend']; 1.41 + 1.42 + 1.43 + // Scan-from-end method, for v0.6 and higher 1.44 + fseek($getid3->fp, $info_bonk['dataend'] - 8, SEEK_SET); 1.45 + $possible_bonk_tag = fread($getid3->fp, 8); 1.46 + while (getid3_bonk::BonkIsValidTagName(substr($possible_bonk_tag, 4, 4), true)) { 1.47 + $bonk_tag_size = getid3_lib::LittleEndian2Int(substr($possible_bonk_tag, 0, 4)); 1.48 + fseek($getid3->fp, 0 - $bonk_tag_size, SEEK_CUR); 1.49 + $bonk_tag_offset = ftell($getid3->fp); 1.50 + $tag_header_test = fread($getid3->fp, 5); 1.51 + if (($tag_header_test{0} != "\x00") || (substr($possible_bonk_tag, 4, 4) != strtolower(substr($possible_bonk_tag, 4, 4)))) { 1.52 + throw new getid3_exception('Expecting "Ø'.strtoupper(substr($possible_bonk_tag, 4, 4)).'" at offset '.$bonk_tag_offset.', found "'.$tag_header_test.'"'); 1.53 + } 1.54 + $bonk_tag_name = substr($tag_header_test, 1, 4); 1.55 + 1.56 + $info_bonk[$bonk_tag_name]['size'] = $bonk_tag_size; 1.57 + $info_bonk[$bonk_tag_name]['offset'] = $bonk_tag_offset; 1.58 + $this->HandleBonkTags($bonk_tag_name); 1.59 + 1.60 + $next_tag_end_offset = $bonk_tag_offset - 8; 1.61 + if ($next_tag_end_offset < $info_bonk['dataoffset']) { 1.62 + if (empty($getid3->info['audio']['encoder'])) { 1.63 + $getid3->info['audio']['encoder'] = 'Extended BONK v0.9+'; 1.64 + } 1.65 + return true; 1.66 + } 1.67 + fseek($getid3->fp, $next_tag_end_offset, SEEK_SET); 1.68 + $possible_bonk_tag = fread($getid3->fp, 8); 1.69 + } 1.70 + 1.71 + // Seek-from-beginning method for v0.4 and v0.5 1.72 + if (empty($info_bonk['BONK'])) { 1.73 + fseek($getid3->fp, $info_bonk['dataoffset'], SEEK_SET); 1.74 + do { 1.75 + $tag_header_test = fread($getid3->fp, 5); 1.76 + switch ($tag_header_test) { 1.77 + case "\x00".'BONK': 1.78 + if (empty($getid3->info['audio']['encoder'])) { 1.79 + $getid3->info['audio']['encoder'] = 'BONK v0.4'; 1.80 + } 1.81 + break; 1.82 + 1.83 + case "\x00".'INFO': 1.84 + $getid3->info['audio']['encoder'] = 'Extended BONK v0.5'; 1.85 + break; 1.86 + 1.87 + default: 1.88 + break 2; 1.89 + } 1.90 + $bonk_tag_name = substr($tag_header_test, 1, 4); 1.91 + $info_bonk[$bonk_tag_name]['size'] = $info_bonk['dataend'] - $info_bonk['dataoffset']; 1.92 + $info_bonk[$bonk_tag_name]['offset'] = $info_bonk['dataoffset']; 1.93 + $this->HandleBonkTags($bonk_tag_name); 1.94 + 1.95 + } while (true); 1.96 + } 1.97 + 1.98 + 1.99 + // Parse META block for v0.6 - v0.8 1.100 + if (!@$info_bonk['INFO'] && isset($info_bonk['META']['tags']['info'])) { 1.101 + fseek($getid3->fp, $info_bonk['META']['tags']['info'], SEEK_SET); 1.102 + $tag_header_test = fread($getid3->fp, 5); 1.103 + if ($tag_header_test == "\x00".'INFO') { 1.104 + $getid3->info['audio']['encoder'] = 'Extended BONK v0.6 - v0.8'; 1.105 + 1.106 + $bonk_tag_name = substr($tag_header_test, 1, 4); 1.107 + $info_bonk[$bonk_tag_name]['size'] = $info_bonk['dataend'] - $info_bonk['dataoffset']; 1.108 + $info_bonk[$bonk_tag_name]['offset'] = $info_bonk['dataoffset']; 1.109 + $this->HandleBonkTags($bonk_tag_name); 1.110 + } 1.111 + } 1.112 + 1.113 + if (empty($getid3->info['audio']['encoder'])) { 1.114 + $getid3->info['audio']['encoder'] = 'Extended BONK v0.9+'; 1.115 + } 1.116 + if (empty($info_bonk['BONK'])) { 1.117 + unset($getid3->info['bonk']); 1.118 + } 1.119 + return true; 1.120 + 1.121 + } 1.122 + 1.123 + 1.124 + 1.125 + private function HandleBonkTags(&$bonk_tag_name) { 1.126 + 1.127 + // Shortcut to getid3 pointer 1.128 + $getid3 = $this->getid3; 1.129 + $info_audio = &$getid3->info['audio']; 1.130 + 1.131 + switch ($bonk_tag_name) { 1.132 + 1.133 + case 'BONK': 1.134 + // shortcut 1.135 + $info_bonk_BONK = &$getid3->info['bonk']['BONK']; 1.136 + 1.137 + $bonk_data = "\x00".'BONK'.fread($getid3->fp, 17); 1.138 + 1.139 + getid3_lib::ReadSequence('LittleEndian2Int', $info_bonk_BONK, $bonk_data, 5, 1.140 + array ( 1.141 + 'version' => 1, 1.142 + 'number_samples' => 4, 1.143 + 'sample_rate' => 4, 1.144 + 'channels' => 1, 1.145 + 'lossless' => 1, 1.146 + 'joint_stereo' => 1, 1.147 + 'number_taps' => 2, 1.148 + 'downsampling_ratio' => 1, 1.149 + 'samples_per_packet' => 2 1.150 + ) 1.151 + ); 1.152 + 1.153 + $info_bonk_BONK['lossless'] = (bool)$info_bonk_BONK['lossless']; 1.154 + $info_bonk_BONK['joint_stereo'] = (bool)$info_bonk_BONK['joint_stereo']; 1.155 + 1.156 + $getid3->info['avdataoffset'] = $info_bonk_BONK['offset'] + 5 + 17; 1.157 + $getid3->info['avdataend'] = $info_bonk_BONK['offset'] + $info_bonk_BONK['size']; 1.158 + 1.159 + $getid3->info['fileformat'] = 'bonk'; 1.160 + $info_audio['dataformat'] = 'bonk'; 1.161 + $info_audio['bitrate_mode'] = 'vbr'; // assumed 1.162 + $info_audio['channels'] = $info_bonk_BONK['channels']; 1.163 + $info_audio['sample_rate'] = $info_bonk_BONK['sample_rate']; 1.164 + $info_audio['channelmode'] = $info_bonk_BONK['joint_stereo'] ? 'joint stereo' : 'stereo'; 1.165 + $info_audio['lossless'] = $info_bonk_BONK['lossless']; 1.166 + $info_audio['codec'] = 'bonk'; 1.167 + 1.168 + $getid3->info['playtime_seconds'] = $info_bonk_BONK['number_samples'] / ($info_bonk_BONK['sample_rate'] * $info_bonk_BONK['channels']); 1.169 + if ($getid3->info['playtime_seconds'] > 0) { 1.170 + $info_audio['bitrate'] = (($getid3->info['bonk']['dataend'] - $getid3->info['bonk']['dataoffset']) * 8) / $getid3->info['playtime_seconds']; 1.171 + } 1.172 + break; 1.173 + 1.174 + case 'INFO': 1.175 + // shortcut 1.176 + $info_bonk_INFO = &$getid3->info['bonk']['INFO']; 1.177 + 1.178 + $info_bonk_INFO['version'] = getid3_lib::LittleEndian2Int(fread($getid3->fp, 1)); 1.179 + $info_bonk_INFO['entries_count'] = 0; 1.180 + $next_info_data_pair = fread($getid3->fp, 5); 1.181 + if (!getid3_bonk::BonkIsValidTagName(substr($next_info_data_pair, 1, 4))) { 1.182 + while (!feof($getid3->fp)) { 1.183 + $next_info_data_pair = fread($getid3->fp, 5); 1.184 + if (getid3_bonk::BonkIsValidTagName(substr($next_info_data_pair, 1, 4))) { 1.185 + fseek($getid3->fp, -5, SEEK_CUR); 1.186 + break; 1.187 + } 1.188 + $info_bonk_INFO['entries_count']++; 1.189 + } 1.190 + } 1.191 + break; 1.192 + 1.193 + case 'META': 1.194 + $bonk_data = "\x00".'META'.fread($getid3->fp, $getid3->info['bonk']['META']['size'] - 5); 1.195 + $getid3->info['bonk']['META']['version'] = getid3_lib::LittleEndian2Int(substr($bonk_data, 5, 1)); 1.196 + 1.197 + $meta_tag_entries = floor(((strlen($bonk_data) - 8) - 6) / 8); // BonkData - xxxxmeta - ØMETA 1.198 + $offset = 6; 1.199 + for ($i = 0; $i < $meta_tag_entries; $i++) { 1.200 + $meta_entry_tag_name = substr($bonk_data, $offset, 4); 1.201 + $offset += 4; 1.202 + $meta_entry_tag_offset = getid3_lib::LittleEndian2Int(substr($bonk_data, $offset, 4)); 1.203 + $offset += 4; 1.204 + $getid3->info['bonk']['META']['tags'][$meta_entry_tag_name] = $meta_entry_tag_offset; 1.205 + } 1.206 + break; 1.207 + 1.208 + case ' ID3': 1.209 + $info_audio['encoder'] = 'Extended BONK v0.9+'; 1.210 + 1.211 + // ID3v2 checking is optional 1.212 + if (class_exists('getid3_id3v2')) { 1.213 + 1.214 + $id3v2 = new getid3_id3v2($getid3); 1.215 + $id3v2->option_starting_offset = $getid3->info['bonk'][' ID3']['offset'] + 2; 1.216 + $getid3->info['bonk'][' ID3']['valid'] = $id3v2->Analyze(); 1.217 + } 1.218 + break; 1.219 + 1.220 + default: 1.221 + $getid3->warning('Unexpected Bonk tag "'.$bonk_tag_name.'" at offset '.$getid3->info['bonk'][$bonk_tag_name]['offset']); 1.222 + break; 1.223 + 1.224 + } 1.225 + } 1.226 + 1.227 + 1.228 + 1.229 + public static function BonkIsValidTagName($possible_bonk_tag, $ignore_case=false) { 1.230 + 1.231 + $ignore_case = $ignore_case ? 'i' : ''; 1.232 + return preg_match('/^(BONK|INFO| ID3|META)$/'.$ignore_case, $possible_bonk_tag); 1.233 + } 1.234 + 1.235 +} 1.236 + 1.237 + 1.238 +?> 1.239 \ No newline at end of file