| 1 | | <?php |
| 2 | | ///////////////////////////////////////////////////////////////// |
| 3 | | /// getID3() by James Heinrich <info@getid3.org> // |
| 4 | | // available at http://getid3.sourceforge.net // |
| 5 | | // or http://www.getid3.org // |
| 6 | | ///////////////////////////////////////////////////////////////// |
| 7 | | // // |
| 8 | | // Please see readme.txt for more information // |
| 9 | | // /// |
| 10 | | ///////////////////////////////////////////////////////////////// |
| 11 | | |
| 12 | | // define a constant rather than looking up every time it is needed |
| 13 | | if (!defined('GETID3_OS_ISWINDOWS')) { |
| 14 | | define('GETID3_OS_ISWINDOWS', (stripos(PHP_OS, 'WIN') === 0)); |
| 15 | | } |
| 16 | | // Get base path of getID3() - ONCE |
| 17 | | if (!defined('GETID3_INCLUDEPATH')) { |
| 18 | | define('GETID3_INCLUDEPATH', dirname(__FILE__).DIRECTORY_SEPARATOR); |
| 19 | | } |
| 20 | | |
| 21 | | // attempt to define temp dir as something flexible but reliable |
| 22 | | $temp_dir = ini_get('upload_tmp_dir'); |
| 23 | | if ($temp_dir && (!is_dir($temp_dir) || !is_readable($temp_dir))) { |
| 24 | | $temp_dir = ''; |
| 25 | | } |
| 26 | | if (!$temp_dir && function_exists('sys_get_temp_dir')) { |
| 27 | | // PHP v5.2.1+ |
| 28 | | // sys_get_temp_dir() may give inaccessible temp dir, e.g. with open_basedir on virtual hosts |
| 29 | | $temp_dir = sys_get_temp_dir(); |
| 30 | | } |
| 31 | | $temp_dir = realpath($temp_dir); |
| 32 | | $open_basedir = ini_get('open_basedir'); |
| 33 | | if ($open_basedir) { |
| 34 | | // e.g. "/var/www/vhosts/getid3.org/httpdocs/:/tmp/" |
| 35 | | $temp_dir = str_replace(array('/', '\\'), DIRECTORY_SEPARATOR, $temp_dir); |
| 36 | | $open_basedir = str_replace(array('/', '\\'), DIRECTORY_SEPARATOR, $open_basedir); |
| 37 | | if (substr($temp_dir, -1, 1) != DIRECTORY_SEPARATOR) { |
| 38 | | $temp_dir .= DIRECTORY_SEPARATOR; |
| 39 | | } |
| 40 | | $found_valid_tempdir = false; |
| 41 | | $open_basedirs = explode(PATH_SEPARATOR, $open_basedir); |
| 42 | | foreach ($open_basedirs as $basedir) { |
| 43 | | if (substr($basedir, -1, 1) != DIRECTORY_SEPARATOR) { |
| 44 | | $basedir .= DIRECTORY_SEPARATOR; |
| 45 | | } |
| 46 | | if (preg_match('#^'.preg_quote($basedir).'#', $temp_dir)) { |
| 47 | | $found_valid_tempdir = true; |
| 48 | | break; |
| 49 | | } |
| 50 | | } |
| 51 | | if (!$found_valid_tempdir) { |
| 52 | | $temp_dir = ''; |
| 53 | | } |
| 54 | | unset($open_basedirs, $found_valid_tempdir, $basedir); |
| 55 | | } |
| 56 | | if (!$temp_dir) { |
| 57 | | $temp_dir = '*'; // invalid directory name should force tempnam() to use system default temp dir |
| 58 | | } |
| 59 | | // $temp_dir = '/something/else/'; // feel free to override temp dir here if it works better for your system |
| 60 | | define('GETID3_TEMP_DIR', $temp_dir); |
| 61 | | unset($open_basedir, $temp_dir); |
| 62 | | |
| 63 | | // End: Defines |
| 64 | | |
| 65 | | |
| 66 | | class getID3 |
| 67 | | { |
| 68 | | // public: Settings |
| 69 | | public $encoding = 'UTF-8'; // CASE SENSITIVE! - i.e. (must be supported by iconv()). Examples: ISO-8859-1 UTF-8 UTF-16 UTF-16BE |
| 70 | | public $encoding_id3v1 = 'ISO-8859-1'; // Should always be 'ISO-8859-1', but some tags may be written in other encodings such as 'EUC-CN' or 'CP1252' |
| 71 | | |
| 72 | | // public: Optional tag checks - disable for speed. |
| 73 | | public $option_tag_id3v1 = true; // Read and process ID3v1 tags |
| 74 | | public $option_tag_id3v2 = true; // Read and process ID3v2 tags |
| 75 | | public $option_tag_lyrics3 = true; // Read and process Lyrics3 tags |
| 76 | | public $option_tag_apetag = true; // Read and process APE tags |
| 77 | | public $option_tags_process = true; // Copy tags to root key 'tags' and encode to $this->encoding |
| 78 | | public $option_tags_html = true; // Copy tags to root key 'tags_html' properly translated from various encodings to HTML entities |
| 79 | | |
| 80 | | // public: Optional tag/comment calucations |
| 81 | | public $option_extra_info = true; // Calculate additional info such as bitrate, channelmode etc |
| 82 | | |
| 83 | | // public: Optional handling of embedded attachments (e.g. images) |
| 84 | | public $option_save_attachments = true; // defaults to true (ATTACHMENTS_INLINE) for backward compatibility |
| 85 | | |
| 86 | | // public: Optional calculations |
| 87 | | public $option_md5_data = false; // Get MD5 sum of data part - slow |
| 88 | | public $option_md5_data_source = false; // Use MD5 of source file if availble - only FLAC and OptimFROG |
| 89 | | public $option_sha1_data = false; // Get SHA1 sum of data part - slow |
| 90 | | public $option_max_2gb_check = null; // Check whether file is larger than 2GB and thus not supported by 32-bit PHP (null: auto-detect based on PHP_INT_MAX) |
| 91 | | |
| 92 | | // public: Read buffer size in bytes |
| 93 | | public $option_fread_buffer_size = 32768; |
| 94 | | |
| 95 | | // Public variables |
| 96 | | public $filename; // Filename of file being analysed. |
| 97 | | public $fp; // Filepointer to file being analysed. |
| 98 | | public $info; // Result array. |
| 99 | | public $tempdir = GETID3_TEMP_DIR; |
| 100 | | |
| 101 | | // Protected variables |
| 102 | | protected $startup_error = ''; |
| 103 | | protected $startup_warning = ''; |
| 104 | | protected $memory_limit = 0; |
| 105 | | |
| 106 | | const VERSION = '1.9.5-20130220'; |
| 107 | | const FREAD_BUFFER_SIZE = 32768; |
| 108 | | |
| 109 | | const ATTACHMENTS_NONE = false; |
| 110 | | const ATTACHMENTS_INLINE = true; |
| 111 | | |
| 112 | | // public: constructor |
| 113 | | public function __construct() { |
| 114 | | |
| 115 | | // Check for PHP version |
| 116 | | $required_php_version = '5.0.5'; |
| 117 | | if (version_compare(PHP_VERSION, $required_php_version, '<')) { |
| 118 | | $this->startup_error .= 'getID3() requires PHP v'.$required_php_version.' or higher - you are running v'.PHP_VERSION; |
| 119 | | return false; |
| 120 | | } |
| 121 | | |
| 122 | | // Check memory |
| 123 | | $this->memory_limit = ini_get('memory_limit'); |
| 124 | | if (preg_match('#([0-9]+)M#i', $this->memory_limit, $matches)) { |
| 125 | | // could be stored as "16M" rather than 16777216 for example |
| 126 | | $this->memory_limit = $matches[1] * 1048576; |
| 127 | | } elseif (preg_match('#([0-9]+)G#i', $this->memory_limit, $matches)) { // The 'G' modifier is available since PHP 5.1.0 |
| 128 | | // could be stored as "2G" rather than 2147483648 for example |
| 129 | | $this->memory_limit = $matches[1] * 1073741824; |
| 130 | | } |
| 131 | | if ($this->memory_limit <= 0) { |
| 132 | | // memory limits probably disabled |
| 133 | | } elseif ($this->memory_limit <= 4194304) { |
| 134 | | $this->startup_error .= 'PHP has less than 4MB available memory and will very likely run out. Increase memory_limit in php.ini'; |
| 135 | | } elseif ($this->memory_limit <= 12582912) { |
| 136 | | $this->startup_warning .= 'PHP has less than 12MB available memory and might run out if all modules are loaded. Increase memory_limit in php.ini'; |
| 137 | | } |
| 138 | | |
| 139 | | // Check safe_mode off |
| 140 | | if (preg_match('#(1|ON)#i', ini_get('safe_mode'))) { |
| 141 | | $this->warning('WARNING: Safe mode is on, shorten support disabled, md5data/sha1data for ogg vorbis disabled, ogg vorbos/flac tag writing disabled.'); |
| 142 | | } |
| 143 | | |
| 144 | | if (intval(ini_get('mbstring.func_overload')) > 0) { |
| 145 | | $this->warning('WARNING: php.ini contains "mbstring.func_overload = '.ini_get('mbstring.func_overload').'", this may break things.'); |
| 146 | | } |
| 147 | | |
| 148 | | // Check for magic_quotes_runtime |
| 149 | | if (function_exists('get_magic_quotes_runtime')) { |
| 150 | | if (get_magic_quotes_runtime()) { |
| 151 | | return $this->startup_error('magic_quotes_runtime must be disabled before running getID3(). Surround getid3 block by set_magic_quotes_runtime(0) and set_magic_quotes_runtime(1).'); |
| 152 | | } |
| 153 | | } |
| 154 | | |
| 155 | | // Check for magic_quotes_gpc |
| 156 | | if (function_exists('magic_quotes_gpc')) { |
| 157 | | if (get_magic_quotes_gpc()) { |
| 158 | | return $this->startup_error('magic_quotes_gpc must be disabled before running getID3(). Surround getid3 block by set_magic_quotes_gpc(0) and set_magic_quotes_gpc(1).'); |
| 159 | | } |
| 160 | | } |
| 161 | | |
| 162 | | // Load support library |
| 163 | | if (!include_once(GETID3_INCLUDEPATH.'getid3.lib.php')) { |
| 164 | | $this->startup_error .= 'getid3.lib.php is missing or corrupt'; |
| 165 | | } |
| 166 | | |
| 167 | | if ($this->option_max_2gb_check === null) { |
| 168 | | $this->option_max_2gb_check = (PHP_INT_MAX <= 2147483647); |
| 169 | | } |
| 170 | | |
| 171 | | |
| 172 | | // Needed for Windows only: |
| 173 | | // Define locations of helper applications for Shorten, VorbisComment, MetaFLAC |
| 174 | | // as well as other helper functions such as head, tail, md5sum, etc |
| 175 | | // This path cannot contain spaces, but the below code will attempt to get the |
| 176 | | // 8.3-equivalent path automatically |
| 177 | | // IMPORTANT: This path must include the trailing slash |
| 178 | | if (GETID3_OS_ISWINDOWS && !defined('GETID3_HELPERAPPSDIR')) { |
| 179 | | |
| 180 | | $helperappsdir = GETID3_INCLUDEPATH.'..'.DIRECTORY_SEPARATOR.'helperapps'; // must not have any space in this path |
| 181 | | |
| 182 | | if (!is_dir($helperappsdir)) { |
| 183 | | $this->startup_warning .= '"'.$helperappsdir.'" cannot be defined as GETID3_HELPERAPPSDIR because it does not exist'; |
| 184 | | } elseif (strpos(realpath($helperappsdir), ' ') !== false) { |
| 185 | | $DirPieces = explode(DIRECTORY_SEPARATOR, realpath($helperappsdir)); |
| 186 | | $path_so_far = array(); |
| 187 | | foreach ($DirPieces as $key => $value) { |
| 188 | | if (strpos($value, ' ') !== false) { |
| 189 | | if (!empty($path_so_far)) { |
| 190 | | $commandline = 'dir /x '.escapeshellarg(implode(DIRECTORY_SEPARATOR, $path_so_far)); |
| 191 | | $dir_listing = `$commandline`; |
| 192 | | $lines = explode("\n", $dir_listing); |
| 193 | | foreach ($lines as $line) { |
| 194 | | $line = trim($line); |
| 195 | | if (preg_match('#^([0-9/]{10}) +([0-9:]{4,5}( [AP]M)?) +(<DIR>|[0-9,]+) +([^ ]{0,11}) +(.+)$#', $line, $matches)) { |
| 196 | | list($dummy, $date, $time, $ampm, $filesize, $shortname, $filename) = $matches; |
| 197 | | if ((strtoupper($filesize) == '<DIR>') && (strtolower($filename) == strtolower($value))) { |
| 198 | | $value = $shortname; |
| 199 | | } |
| 200 | | } |
| 201 | | } |
| 202 | | } else { |
| 203 | | $this->startup_warning .= 'GETID3_HELPERAPPSDIR must not have any spaces in it - use 8dot3 naming convention if neccesary. You can run "dir /x" from the commandline to see the correct 8.3-style names.'; |
| 204 | | } |
| 205 | | } |
| 206 | | $path_so_far[] = $value; |
| 207 | | } |
| 208 | | $helperappsdir = implode(DIRECTORY_SEPARATOR, $path_so_far); |
| 209 | | } |
| 210 | | define('GETID3_HELPERAPPSDIR', $helperappsdir.DIRECTORY_SEPARATOR); |
| 211 | | } |
| 212 | | |
| 213 | | return true; |
| 214 | | } |
| 215 | | |
| 216 | | public function version() { |
| 217 | | return self::VERSION; |
| 218 | | } |
| 219 | | |
| 220 | | public function fread_buffer_size() { |
| 221 | | return $this->option_fread_buffer_size; |
| 222 | | } |
| 223 | | |
| 224 | | // public: setOption |
| 225 | | public function setOption($optArray) { |
| 226 | | if (!is_array($optArray) || empty($optArray)) { |
| 227 | | return false; |
| 228 | | } |
| 229 | | foreach ($optArray as $opt => $val) { |
| 230 | | if (isset($this->$opt) === false) { |
| 231 | | continue; |
| 232 | | } |
| 233 | | $this->$opt = $val; |
| 234 | | } |
| 235 | | return true; |
| 236 | | } |
| 237 | | |
| 238 | | public function openfile($filename) { |
| 239 | | try { |
| 240 | | if (!empty($this->startup_error)) { |
| 241 | | throw new getid3_exception($this->startup_error); |
| 242 | | } |
| 243 | | if (!empty($this->startup_warning)) { |
| 244 | | $this->warning($this->startup_warning); |
| 245 | | } |
| 246 | | |
| 247 | | // init result array and set parameters |
| 248 | | $this->filename = $filename; |
| 249 | | $this->info = array(); |
| 250 | | $this->info['GETID3_VERSION'] = $this->version(); |
| 251 | | $this->info['php_memory_limit'] = $this->memory_limit; |
| 252 | | |
| 253 | | // remote files not supported |
| 254 | | if (preg_match('/^(ht|f)tp:\/\//', $filename)) { |
| 255 | | throw new getid3_exception('Remote files are not supported - please copy the file locally first'); |
| 256 | | } |
| 257 | | |
| 258 | | $filename = str_replace('/', DIRECTORY_SEPARATOR, $filename); |
| 259 | | $filename = preg_replace('#(.+)'.preg_quote(DIRECTORY_SEPARATOR).'{2,}#U', '\1'.DIRECTORY_SEPARATOR, $filename); |
| 260 | | |
| 261 | | // open local file |
| 262 | | if (is_readable($filename) && is_file($filename) && ($this->fp = fopen($filename, 'rb'))) { |
| 263 | | // great |
| 264 | | } else { |
| 265 | | throw new getid3_exception('Could not open "'.$filename.'" (does not exist, or is not a file)'); |
| 266 | | } |
| 267 | | |
| 268 | | $this->info['filesize'] = filesize($filename); |
| 269 | | // set redundant parameters - might be needed in some include file |
| 270 | | $this->info['filename'] = basename($filename); |
| 271 | | $this->info['filepath'] = str_replace('\\', '/', realpath(dirname($filename))); |
| 272 | | $this->info['filenamepath'] = $this->info['filepath'].'/'.$this->info['filename']; |
| 273 | | |
| 274 | | |
| 275 | | // option_max_2gb_check |
| 276 | | if ($this->option_max_2gb_check) { |
| 277 | | // PHP (32-bit all, and 64-bit Windows) doesn't support integers larger than 2^31 (~2GB) |
| 278 | | // filesize() simply returns (filesize % (pow(2, 32)), no matter the actual filesize |
| 279 | | // ftell() returns 0 if seeking to the end is beyond the range of unsigned integer |
| 280 | | $fseek = fseek($this->fp, 0, SEEK_END); |
| 281 | | if (($fseek < 0) || (($this->info['filesize'] != 0) && (ftell($this->fp) == 0)) || |
| 282 | | ($this->info['filesize'] < 0) || |
| 283 | | (ftell($this->fp) < 0)) { |
| 284 | | $real_filesize = getid3_lib::getFileSizeSyscall($this->info['filenamepath']); |
| 285 | | |
| 286 | | if ($real_filesize === false) { |
| 287 | | unset($this->info['filesize']); |
| 288 | | fclose($this->fp); |
| 289 | | throw new getid3_exception('Unable to determine actual filesize. File is most likely larger than '.round(PHP_INT_MAX / 1073741824).'GB and is not supported by PHP.'); |
| 290 | | } elseif (getid3_lib::intValueSupported($real_filesize)) { |
| 291 | | unset($this->info['filesize']); |
| 292 | | fclose($this->fp); |
| 293 | | throw new getid3_exception('PHP seems to think the file is larger than '.round(PHP_INT_MAX / 1073741824).'GB, but filesystem reports it as '.number_format($real_filesize, 3).'GB, please report to info@getid3.org'); |
| 294 | | } |
| 295 | | $this->info['filesize'] = $real_filesize; |
| 296 | | $this->error('File is larger than '.round(PHP_INT_MAX / 1073741824).'GB (filesystem reports it as '.number_format($real_filesize, 3).'GB) and is not properly supported by PHP.'); |
| 297 | | } |
| 298 | | } |
| 299 | | |
| 300 | | // set more parameters |
| 301 | | $this->info['avdataoffset'] = 0; |
| 302 | | $this->info['avdataend'] = $this->info['filesize']; |
| 303 | | $this->info['fileformat'] = ''; // filled in later |
| 304 | | $this->info['audio']['dataformat'] = ''; // filled in later, unset if not used |
| 305 | | $this->info['video']['dataformat'] = ''; // filled in later, unset if not used |
| 306 | | $this->info['tags'] = array(); // filled in later, unset if not used |
| 307 | | $this->info['error'] = array(); // filled in later, unset if not used |
| 308 | | $this->info['warning'] = array(); // filled in later, unset if not used |
| 309 | | $this->info['comments'] = array(); // filled in later, unset if not used |
| 310 | | $this->info['encoding'] = $this->encoding; // required by id3v2 and iso modules - can be unset at the end if desired |
| 311 | | |
| 312 | | return true; |
| 313 | | |
| 314 | | } catch (Exception $e) { |
| 315 | | $this->error($e->getMessage()); |
| 316 | | } |
| 317 | | return false; |
| 318 | | } |
| 319 | | |
| 320 | | // public: analyze file |
| 321 | | public function analyze($filename) { |
| 322 | | try { |
| 323 | | if (!$this->openfile($filename)) { |
| 324 | | return $this->info; |
| 325 | | } |
| 326 | | |
| 327 | | // Handle tags |
| 328 | | foreach (array('id3v2'=>'id3v2', 'id3v1'=>'id3v1', 'apetag'=>'ape', 'lyrics3'=>'lyrics3') as $tag_name => $tag_key) { |
| 329 | | $option_tag = 'option_tag_'.$tag_name; |
| 330 | | if ($this->$option_tag) { |
| 331 | | $this->include_module('tag.'.$tag_name); |
| 332 | | try { |
| 333 | | $tag_class = 'getid3_'.$tag_name; |
| 334 | | $tag = new $tag_class($this); |
| 335 | | $tag->Analyze(); |
| 336 | | } |
| 337 | | catch (getid3_exception $e) { |
| 338 | | throw $e; |
| 339 | | } |
| 340 | | } |
| 341 | | } |
| 342 | | if (isset($this->info['id3v2']['tag_offset_start'])) { |
| 343 | | $this->info['avdataoffset'] = max($this->info['avdataoffset'], $this->info['id3v2']['tag_offset_end']); |
| 344 | | } |
| 345 | | foreach (array('id3v1'=>'id3v1', 'apetag'=>'ape', 'lyrics3'=>'lyrics3') as $tag_name => $tag_key) { |
| 346 | | if (isset($this->info[$tag_key]['tag_offset_start'])) { |
| 347 | | $this->info['avdataend'] = min($this->info['avdataend'], $this->info[$tag_key]['tag_offset_start']); |
| 348 | | } |
| 349 | | } |
| 350 | | |
| 351 | | // ID3v2 detection (NOT parsing), even if ($this->option_tag_id3v2 == false) done to make fileformat easier |
| 352 | | if (!$this->option_tag_id3v2) { |
| 353 | | fseek($this->fp, 0, SEEK_SET); |
| 354 | | $header = fread($this->fp, 10); |
| 355 | | if ((substr($header, 0, 3) == 'ID3') && (strlen($header) == 10)) { |
| 356 | | $this->info['id3v2']['header'] = true; |
| 357 | | $this->info['id3v2']['majorversion'] = ord($header{3}); |
| 358 | | $this->info['id3v2']['minorversion'] = ord($header{4}); |
| 359 | | $this->info['avdataoffset'] += getid3_lib::BigEndian2Int(substr($header, 6, 4), 1) + 10; // length of ID3v2 tag in 10-byte header doesn't include 10-byte header length |
| 360 | | } |
| 361 | | } |
| 362 | | |
| 363 | | // read 32 kb file data |
| 364 | | fseek($this->fp, $this->info['avdataoffset'], SEEK_SET); |
| 365 | | $formattest = fread($this->fp, 32774); |
| 366 | | |
| 367 | | // determine format |
| 368 | | $determined_format = $this->GetFileFormat($formattest, $filename); |
| 369 | | |
| 370 | | // unable to determine file format |
| 371 | | if (!$determined_format) { |
| 372 | | fclose($this->fp); |
| 373 | | return $this->error('unable to determine file format'); |
| 374 | | } |
| 375 | | |
| 376 | | // check for illegal ID3 tags |
| 377 | | if (isset($determined_format['fail_id3']) && (in_array('id3v1', $this->info['tags']) || in_array('id3v2', $this->info['tags']))) { |
| 378 | | if ($determined_format['fail_id3'] === 'ERROR') { |
| 379 | | fclose($this->fp); |
| 380 | | return $this->error('ID3 tags not allowed on this file type.'); |
| 381 | | } elseif ($determined_format['fail_id3'] === 'WARNING') { |
| 382 | | $this->warning('ID3 tags not allowed on this file type.'); |
| 383 | | } |
| 384 | | } |
| 385 | | |
| 386 | | // check for illegal APE tags |
| 387 | | if (isset($determined_format['fail_ape']) && in_array('ape', $this->info['tags'])) { |
| 388 | | if ($determined_format['fail_ape'] === 'ERROR') { |
| 389 | | fclose($this->fp); |
| 390 | | return $this->error('APE tags not allowed on this file type.'); |
| 391 | | } elseif ($determined_format['fail_ape'] === 'WARNING') { |
| 392 | | $this->warning('APE tags not allowed on this file type.'); |
| 393 | | } |
| 394 | | } |
| 395 | | |
| 396 | | // set mime type |
| 397 | | $this->info['mime_type'] = $determined_format['mime_type']; |
| 398 | | |
| 399 | | // supported format signature pattern detected, but module deleted |
| 400 | | if (!file_exists(GETID3_INCLUDEPATH.$determined_format['include'])) { |
| 401 | | fclose($this->fp); |
| 402 | | return $this->error('Format not supported, module "'.$determined_format['include'].'" was removed.'); |
| 403 | | } |
| 404 | | |
| 405 | | // module requires iconv support |
| 406 | | // Check encoding/iconv support |
| 407 | | if (!empty($determined_format['iconv_req']) && !function_exists('iconv') && !in_array($this->encoding, array('ISO-8859-1', 'UTF-8', 'UTF-16LE', 'UTF-16BE', 'UTF-16'))) { |
| 408 | | $errormessage = 'iconv() support is required for this module ('.$determined_format['include'].') for encodings other than ISO-8859-1, UTF-8, UTF-16LE, UTF16-BE, UTF-16. '; |
| 409 | | if (GETID3_OS_ISWINDOWS) { |
| 410 | | $errormessage .= 'PHP does not have iconv() support. Please enable php_iconv.dll in php.ini, and copy iconv.dll from c:/php/dlls to c:/windows/system32'; |
| 411 | | } else { |
| 412 | | $errormessage .= 'PHP is not compiled with iconv() support. Please recompile with the --with-iconv switch'; |
| 413 | | } |
| 414 | | return $this->error($errormessage); |
| 415 | | } |
| 416 | | |
| 417 | | // include module |
| 418 | | include_once(GETID3_INCLUDEPATH.$determined_format['include']); |
| 419 | | |
| 420 | | // instantiate module class |
| 421 | | $class_name = 'getid3_'.$determined_format['module']; |
| 422 | | if (!class_exists($class_name)) { |
| 423 | | return $this->error('Format not supported, module "'.$determined_format['include'].'" is corrupt.'); |
| 424 | | } |
| 425 | | $class = new $class_name($this); |
| 426 | | $class->Analyze(); |
| 427 | | unset($class); |
| 428 | | |
| 429 | | // close file |
| 430 | | fclose($this->fp); |
| 431 | | |
| 432 | | // process all tags - copy to 'tags' and convert charsets |
| 433 | | if ($this->option_tags_process) { |
| 434 | | $this->HandleAllTags(); |
| 435 | | } |
| 436 | | |
| 437 | | // perform more calculations |
| 438 | | if ($this->option_extra_info) { |
| 439 | | $this->ChannelsBitratePlaytimeCalculations(); |
| 440 | | $this->CalculateCompressionRatioVideo(); |
| 441 | | $this->CalculateCompressionRatioAudio(); |
| 442 | | $this->CalculateReplayGain(); |
| 443 | | $this->ProcessAudioStreams(); |
| 444 | | } |
| 445 | | |
| 446 | | // get the MD5 sum of the audio/video portion of the file - without ID3/APE/Lyrics3/etc header/footer tags |
| 447 | | if ($this->option_md5_data) { |
| 448 | | // do not calc md5_data if md5_data_source is present - set by flac only - future MPC/SV8 too |
| 449 | | if (!$this->option_md5_data_source || empty($this->info['md5_data_source'])) { |
| 450 | | $this->getHashdata('md5'); |
| 451 | | } |
| 452 | | } |
| 453 | | |
| 454 | | // get the SHA1 sum of the audio/video portion of the file - without ID3/APE/Lyrics3/etc header/footer tags |
| 455 | | if ($this->option_sha1_data) { |
| 456 | | $this->getHashdata('sha1'); |
| 457 | | } |
| 458 | | |
| 459 | | // remove undesired keys |
| 460 | | $this->CleanUp(); |
| 461 | | |
| 462 | | } catch (Exception $e) { |
| 463 | | $this->error('Caught exception: '.$e->getMessage()); |
| 464 | | } |
| 465 | | |
| 466 | | // return info array |
| 467 | | return $this->info; |
| 468 | | } |
| 469 | | |
| 470 | | |
| 471 | | // private: error handling |
| 472 | | public function error($message) { |
| 473 | | $this->CleanUp(); |
| 474 | | if (!isset($this->info['error'])) { |
| 475 | | $this->info['error'] = array(); |
| 476 | | } |
| 477 | | $this->info['error'][] = $message; |
| 478 | | return $this->info; |
| 479 | | } |
| 480 | | |
| 481 | | |
| 482 | | // private: warning handling |
| 483 | | public function warning($message) { |
| 484 | | $this->info['warning'][] = $message; |
| 485 | | return true; |
| 486 | | } |
| 487 | | |
| 488 | | |
| 489 | | // private: CleanUp |
| 490 | | private function CleanUp() { |
| 491 | | |
| 492 | | // remove possible empty keys |
| 493 | | $AVpossibleEmptyKeys = array('dataformat', 'bits_per_sample', 'encoder_options', 'streams', 'bitrate'); |
| 494 | | foreach ($AVpossibleEmptyKeys as $dummy => $key) { |
| 495 | | if (empty($this->info['audio'][$key]) && isset($this->info['audio'][$key])) { |
| 496 | | unset($this->info['audio'][$key]); |
| 497 | | } |
| 498 | | if (empty($this->info['video'][$key]) && isset($this->info['video'][$key])) { |
| 499 | | unset($this->info['video'][$key]); |
| 500 | | } |
| 501 | | } |
| 502 | | |
| 503 | | // remove empty root keys |
| 504 | | if (!empty($this->info)) { |
| 505 | | foreach ($this->info as $key => $value) { |
| 506 | | if (empty($this->info[$key]) && ($this->info[$key] !== 0) && ($this->info[$key] !== '0')) { |
| 507 | | unset($this->info[$key]); |
| 508 | | } |
| 509 | | } |
| 510 | | } |
| 511 | | |
| 512 | | // remove meaningless entries from unknown-format files |
| 513 | | if (empty($this->info['fileformat'])) { |
| 514 | | if (isset($this->info['avdataoffset'])) { |
| 515 | | unset($this->info['avdataoffset']); |
| 516 | | } |
| 517 | | if (isset($this->info['avdataend'])) { |
| 518 | | unset($this->info['avdataend']); |
| 519 | | } |
| 520 | | } |
| 521 | | |
| 522 | | // remove possible duplicated identical entries |
| 523 | | if (!empty($this->info['error'])) { |
| 524 | | $this->info['error'] = array_values(array_unique($this->info['error'])); |
| 525 | | } |
| 526 | | if (!empty($this->info['warning'])) { |
| 527 | | $this->info['warning'] = array_values(array_unique($this->info['warning'])); |
| 528 | | } |
| 529 | | |
| 530 | | // remove "global variable" type keys |
| 531 | | unset($this->info['php_memory_limit']); |
| 532 | | |
| 533 | | return true; |
| 534 | | } |
| 535 | | |
| 536 | | |
| 537 | | // return array containing information about all supported formats |
| 538 | | public function GetFileFormatArray() { |
| 539 | | static $format_info = array(); |
| 540 | | if (empty($format_info)) { |
| 541 | | $format_info = array( |
| 542 | | |
| 543 | | // Audio formats |
| 544 | | |
| 545 | | // AC-3 - audio - Dolby AC-3 / Dolby Digital |
| 546 | | 'ac3' => array( |
| 547 | | 'pattern' => '^\x0B\x77', |
| 548 | | 'group' => 'audio', |
| 549 | | 'module' => 'ac3', |
| 550 | | 'mime_type' => 'audio/ac3', |
| 551 | | ), |
| 552 | | |
| 553 | | // AAC - audio - Advanced Audio Coding (AAC) - ADIF format |
| 554 | | 'adif' => array( |
| 555 | | 'pattern' => '^ADIF', |
| 556 | | 'group' => 'audio', |
| 557 | | 'module' => 'aac', |
| 558 | | 'mime_type' => 'application/octet-stream', |
| 559 | | 'fail_ape' => 'WARNING', |
| 560 | | ), |
| 561 | | |
| 562 | | /* |
| 563 | | // AA - audio - Audible Audiobook |
| 564 | | 'aa' => array( |
| 565 | | 'pattern' => '^.{4}\x57\x90\x75\x36', |
| 566 | | 'group' => 'audio', |
| 567 | | 'module' => 'aa', |
| 568 | | 'mime_type' => 'audio/audible', |
| 569 | | ), |
| 570 | | */ |
| 571 | | // AAC - audio - Advanced Audio Coding (AAC) - ADTS format (very similar to MP3) |
| 572 | | 'adts' => array( |
| 573 | | 'pattern' => '^\xFF[\xF0-\xF1\xF8-\xF9]', |
| 574 | | 'group' => 'audio', |
| 575 | | 'module' => 'aac', |
| 576 | | 'mime_type' => 'application/octet-stream', |
| 577 | | 'fail_ape' => 'WARNING', |
| 578 | | ), |
| 579 | | |
| 580 | | |
| 581 | | // AU - audio - NeXT/Sun AUdio (AU) |
| 582 | | 'au' => array( |
| 583 | | 'pattern' => '^\.snd', |
| 584 | | 'group' => 'audio', |
| 585 | | 'module' => 'au', |
| 586 | | 'mime_type' => 'audio/basic', |
| 587 | | ), |
| 588 | | |
| 589 | | // AVR - audio - Audio Visual Research |
| 590 | | 'avr' => array( |
| 591 | | 'pattern' => '^2BIT', |
| 592 | | 'group' => 'audio', |
| 593 | | 'module' => 'avr', |
| 594 | | 'mime_type' => 'application/octet-stream', |
| 595 | | ), |
| 596 | | |
| 597 | | // BONK - audio - Bonk v0.9+ |
| 598 | | 'bonk' => array( |
| 599 | | 'pattern' => '^\x00(BONK|INFO|META| ID3)', |
| 600 | | 'group' => 'audio', |
| 601 | | 'module' => 'bonk', |
| 602 | | 'mime_type' => 'audio/xmms-bonk', |
| 603 | | ), |
| 604 | | |
| 605 | | // DSS - audio - Digital Speech Standard |
| 606 | | 'dss' => array( |
| 607 | | 'pattern' => '^[\x02-\x03]ds[s2]', |
| 608 | | 'group' => 'audio', |
| 609 | | 'module' => 'dss', |
| 610 | | 'mime_type' => 'application/octet-stream', |
| 611 | | ), |
| 612 | | |
| 613 | | // DTS - audio - Dolby Theatre System |
| 614 | | 'dts' => array( |
| 615 | | 'pattern' => '^\x7F\xFE\x80\x01', |
| 616 | | 'group' => 'audio', |
| 617 | | 'module' => 'dts', |
| 618 | | 'mime_type' => 'audio/dts', |
| 619 | | ), |
| 620 | | |
| 621 | | // FLAC - audio - Free Lossless Audio Codec |
| 622 | | 'flac' => array( |
| 623 | | 'pattern' => '^fLaC', |
| 624 | | 'group' => 'audio', |
| 625 | | 'module' => 'flac', |
| 626 | | 'mime_type' => 'audio/x-flac', |
| 627 | | ), |
| 628 | | |
| 629 | | // LA - audio - Lossless Audio (LA) |
| 630 | | 'la' => array( |
| 631 | | 'pattern' => '^LA0[2-4]', |
| 632 | | 'group' => 'audio', |
| 633 | | 'module' => 'la', |
| 634 | | 'mime_type' => 'application/octet-stream', |
| 635 | | ), |
| 636 | | |
| 637 | | // LPAC - audio - Lossless Predictive Audio Compression (LPAC) |
| 638 | | 'lpac' => array( |
| 639 | | 'pattern' => '^LPAC', |
| 640 | | 'group' => 'audio', |
| 641 | | 'module' => 'lpac', |
| 642 | | 'mime_type' => 'application/octet-stream', |
| 643 | | ), |
| 644 | | |
| 645 | | // MIDI - audio - MIDI (Musical Instrument Digital Interface) |
| 646 | | 'midi' => array( |
| 647 | | 'pattern' => '^MThd', |
| 648 | | 'group' => 'audio', |
| 649 | | 'module' => 'midi', |
| 650 | | 'mime_type' => 'audio/midi', |
| 651 | | ), |
| 652 | | |
| 653 | | // MAC - audio - Monkey's Audio Compressor |
| 654 | | 'mac' => array( |
| 655 | | 'pattern' => '^MAC ', |
| 656 | | 'group' => 'audio', |
| 657 | | 'module' => 'monkey', |
| 658 | | 'mime_type' => 'application/octet-stream', |
| 659 | | ), |
| 660 | | |
| 661 | | // has been known to produce false matches in random files (e.g. JPEGs), leave out until more precise matching available |
| 662 | | // // MOD - audio - MODule (assorted sub-formats) |
| 663 | | // 'mod' => array( |
| 664 | | // 'pattern' => '^.{1080}(M\\.K\\.|M!K!|FLT4|FLT8|[5-9]CHN|[1-3][0-9]CH)', |
| 665 | | // 'group' => 'audio', |
| 666 | | // 'module' => 'mod', |
| 667 | | // 'option' => 'mod', |
| 668 | | // 'mime_type' => 'audio/mod', |
| 669 | | // ), |
| 670 | | |
| 671 | | // MOD - audio - MODule (Impulse Tracker) |
| 672 | | 'it' => array( |
| 673 | | 'pattern' => '^IMPM', |
| 674 | | 'group' => 'audio', |
| 675 | | 'module' => 'mod', |
| 676 | | //'option' => 'it', |
| 677 | | 'mime_type' => 'audio/it', |
| 678 | | ), |
| 679 | | |
| 680 | | // MOD - audio - MODule (eXtended Module, various sub-formats) |
| 681 | | 'xm' => array( |
| 682 | | 'pattern' => '^Extended Module', |
| 683 | | 'group' => 'audio', |
| 684 | | 'module' => 'mod', |
| 685 | | //'option' => 'xm', |
| 686 | | 'mime_type' => 'audio/xm', |
| 687 | | ), |
| 688 | | |
| 689 | | // MOD - audio - MODule (ScreamTracker) |
| 690 | | 's3m' => array( |
| 691 | | 'pattern' => '^.{44}SCRM', |
| 692 | | 'group' => 'audio', |
| 693 | | 'module' => 'mod', |
| 694 | | //'option' => 's3m', |
| 695 | | 'mime_type' => 'audio/s3m', |
| 696 | | ), |
| 697 | | |
| 698 | | // MPC - audio - Musepack / MPEGplus |
| 699 | | 'mpc' => array( |
| 700 | | 'pattern' => '^(MPCK|MP\+|[\x00\x01\x10\x11\x40\x41\x50\x51\x80\x81\x90\x91\xC0\xC1\xD0\xD1][\x20-37][\x00\x20\x40\x60\x80\xA0\xC0\xE0])', |
| 701 | | 'group' => 'audio', |
| 702 | | 'module' => 'mpc', |
| 703 | | 'mime_type' => 'audio/x-musepack', |
| 704 | | ), |
| 705 | | |
| 706 | | // MP3 - audio - MPEG-audio Layer 3 (very similar to AAC-ADTS) |
| 707 | | 'mp3' => array( |
| 708 | | 'pattern' => '^\xFF[\xE2-\xE7\xF2-\xF7\xFA-\xFF][\x00-\x0B\x10-\x1B\x20-\x2B\x30-\x3B\x40-\x4B\x50-\x5B\x60-\x6B\x70-\x7B\x80-\x8B\x90-\x9B\xA0-\xAB\xB0-\xBB\xC0-\xCB\xD0-\xDB\xE0-\xEB\xF0-\xFB]', |
| 709 | | 'group' => 'audio', |
| 710 | | 'module' => 'mp3', |
| 711 | | 'mime_type' => 'audio/mpeg', |
| 712 | | ), |
| 713 | | |
| 714 | | // OFR - audio - OptimFROG |
| 715 | | 'ofr' => array( |
| 716 | | 'pattern' => '^(\*RIFF|OFR)', |
| 717 | | 'group' => 'audio', |
| 718 | | 'module' => 'optimfrog', |
| 719 | | 'mime_type' => 'application/octet-stream', |
| 720 | | ), |
| 721 | | |
| 722 | | // RKAU - audio - RKive AUdio compressor |
| 723 | | 'rkau' => array( |
| 724 | | 'pattern' => '^RKA', |
| 725 | | 'group' => 'audio', |
| 726 | | 'module' => 'rkau', |
| 727 | | 'mime_type' => 'application/octet-stream', |
| 728 | | ), |
| 729 | | |
| 730 | | // SHN - audio - Shorten |
| 731 | | 'shn' => array( |
| 732 | | 'pattern' => '^ajkg', |
| 733 | | 'group' => 'audio', |
| 734 | | 'module' => 'shorten', |
| 735 | | 'mime_type' => 'audio/xmms-shn', |
| 736 | | 'fail_id3' => 'ERROR', |
| 737 | | 'fail_ape' => 'ERROR', |
| 738 | | ), |
| 739 | | |
| 740 | | // TTA - audio - TTA Lossless Audio Compressor (http://tta.corecodec.org) |
| 741 | | 'tta' => array( |
| 742 | | 'pattern' => '^TTA', // could also be '^TTA(\x01|\x02|\x03|2|1)' |
| 743 | | 'group' => 'audio', |
| 744 | | 'module' => 'tta', |
| 745 | | 'mime_type' => 'application/octet-stream', |
| 746 | | ), |
| 747 | | |
| 748 | | // VOC - audio - Creative Voice (VOC) |
| 749 | | 'voc' => array( |
| 750 | | 'pattern' => '^Creative Voice File', |
| 751 | | 'group' => 'audio', |
| 752 | | 'module' => 'voc', |
| 753 | | 'mime_type' => 'audio/voc', |
| 754 | | ), |
| 755 | | |
| 756 | | // VQF - audio - transform-domain weighted interleave Vector Quantization Format (VQF) |
| 757 | | 'vqf' => array( |
| 758 | | 'pattern' => '^TWIN', |
| 759 | | 'group' => 'audio', |
| 760 | | 'module' => 'vqf', |
| 761 | | 'mime_type' => 'application/octet-stream', |
| 762 | | ), |
| 763 | | |
| 764 | | // WV - audio - WavPack (v4.0+) |
| 765 | | 'wv' => array( |
| 766 | | 'pattern' => '^wvpk', |
| 767 | | 'group' => 'audio', |
| 768 | | 'module' => 'wavpack', |
| 769 | | 'mime_type' => 'application/octet-stream', |
| 770 | | ), |
| 771 | | |
| 772 | | |
| 773 | | // Audio-Video formats |
| 774 | | |
| 775 | | // ASF - audio/video - Advanced Streaming Format, Windows Media Video, Windows Media Audio |
| 776 | | 'asf' => array( |
| 777 | | 'pattern' => '^\x30\x26\xB2\x75\x8E\x66\xCF\x11\xA6\xD9\x00\xAA\x00\x62\xCE\x6C', |
| 778 | | 'group' => 'audio-video', |
| 779 | | 'module' => 'asf', |
| 780 | | 'mime_type' => 'video/x-ms-asf', |
| 781 | | 'iconv_req' => false, |
| 782 | | ), |
| 783 | | |
| 784 | | // BINK - audio/video - Bink / Smacker |
| 785 | | 'bink' => array( |
| 786 | | 'pattern' => '^(BIK|SMK)', |
| 787 | | 'group' => 'audio-video', |
| 788 | | 'module' => 'bink', |
| 789 | | 'mime_type' => 'application/octet-stream', |
| 790 | | ), |
| 791 | | |
| 792 | | // FLV - audio/video - FLash Video |
| 793 | | 'flv' => array( |
| 794 | | 'pattern' => '^FLV\x01', |
| 795 | | 'group' => 'audio-video', |
| 796 | | 'module' => 'flv', |
| 797 | | 'mime_type' => 'video/x-flv', |
| 798 | | ), |
| 799 | | |
| 800 | | // MKAV - audio/video - Mastroka |
| 801 | | 'matroska' => array( |
| 802 | | 'pattern' => '^\x1A\x45\xDF\xA3', |
| 803 | | 'group' => 'audio-video', |
| 804 | | 'module' => 'matroska', |
| 805 | | 'mime_type' => 'video/x-matroska', // may also be audio/x-matroska |
| 806 | | ), |
| 807 | | |
| 808 | | // MPEG - audio/video - MPEG (Moving Pictures Experts Group) |
| 809 | | 'mpeg' => array( |
| 810 | | 'pattern' => '^\x00\x00\x01(\xBA|\xB3)', |
| 811 | | 'group' => 'audio-video', |
| 812 | | 'module' => 'mpeg', |
| 813 | | 'mime_type' => 'video/mpeg', |
| 814 | | ), |
| 815 | | |
| 816 | | // NSV - audio/video - Nullsoft Streaming Video (NSV) |
| 817 | | 'nsv' => array( |
| 818 | | 'pattern' => '^NSV[sf]', |
| 819 | | 'group' => 'audio-video', |
| 820 | | 'module' => 'nsv', |
| 821 | | 'mime_type' => 'application/octet-stream', |
| 822 | | ), |
| 823 | | |
| 824 | | // Ogg - audio/video - Ogg (Ogg-Vorbis, Ogg-FLAC, Speex, Ogg-Theora(*), Ogg-Tarkin(*)) |
| 825 | | 'ogg' => array( |
| 826 | | 'pattern' => '^OggS', |
| 827 | | 'group' => 'audio', |
| 828 | | 'module' => 'ogg', |
| 829 | | 'mime_type' => 'application/ogg', |
| 830 | | 'fail_id3' => 'WARNING', |
| 831 | | 'fail_ape' => 'WARNING', |
| 832 | | ), |
| 833 | | |
| 834 | | // QT - audio/video - Quicktime |
| 835 | | 'quicktime' => array( |
| 836 | | 'pattern' => '^.{4}(cmov|free|ftyp|mdat|moov|pnot|skip|wide)', |
| 837 | | 'group' => 'audio-video', |
| 838 | | 'module' => 'quicktime', |
| 839 | | 'mime_type' => 'video/quicktime', |
| 840 | | ), |
| 841 | | |
| 842 | | // RIFF - audio/video - Resource Interchange File Format (RIFF) / WAV / AVI / CD-audio / SDSS = renamed variant used by SmartSound QuickTracks (www.smartsound.com) / FORM = Audio Interchange File Format (AIFF) |
| 843 | | 'riff' => array( |
| 844 | | 'pattern' => '^(RIFF|SDSS|FORM)', |
| 845 | | 'group' => 'audio-video', |
| 846 | | 'module' => 'riff', |
| 847 | | 'mime_type' => 'audio/x-wave', |
| 848 | | 'fail_ape' => 'WARNING', |
| 849 | | ), |
| 850 | | |
| 851 | | // Real - audio/video - RealAudio, RealVideo |
| 852 | | 'real' => array( |
| 853 | | 'pattern' => '^(\\.RMF|\\.ra)', |
| 854 | | 'group' => 'audio-video', |
| 855 | | 'module' => 'real', |
| 856 | | 'mime_type' => 'audio/x-realaudio', |
| 857 | | ), |
| 858 | | |
| 859 | | // SWF - audio/video - ShockWave Flash |
| 860 | | 'swf' => array( |
| 861 | | 'pattern' => '^(F|C)WS', |
| 862 | | 'group' => 'audio-video', |
| 863 | | 'module' => 'swf', |
| 864 | | 'mime_type' => 'application/x-shockwave-flash', |
| 865 | | ), |
| 866 | | |
| 867 | | // TS - audio/video - MPEG-2 Transport Stream |
| 868 | | 'ts' => array( |
| 869 | | 'pattern' => '^(\x47.{187}){10,}', // packets are 188 bytes long and start with 0x47 "G". Check for at least 10 packets matching this pattern |
| 870 | | 'group' => 'audio-video', |
| 871 | | 'module' => 'ts', |
| 872 | | 'mime_type' => 'video/MP2T', |
| 873 | | ), |
| 874 | | |
| 875 | | |
| 876 | | // Still-Image formats |
| 877 | | |
| 878 | | // BMP - still image - Bitmap (Windows, OS/2; uncompressed, RLE8, RLE4) |
| 879 | | 'bmp' => array( |
| 880 | | 'pattern' => '^BM', |
| 881 | | 'group' => 'graphic', |
| 882 | | 'module' => 'bmp', |
| 883 | | 'mime_type' => 'image/bmp', |
| 884 | | 'fail_id3' => 'ERROR', |
| 885 | | 'fail_ape' => 'ERROR', |
| 886 | | ), |
| 887 | | |
| 888 | | // GIF - still image - Graphics Interchange Format |
| 889 | | 'gif' => array( |
| 890 | | 'pattern' => '^GIF', |
| 891 | | 'group' => 'graphic', |
| 892 | | 'module' => 'gif', |
| 893 | | 'mime_type' => 'image/gif', |
| 894 | | 'fail_id3' => 'ERROR', |
| 895 | | 'fail_ape' => 'ERROR', |
| 896 | | ), |
| 897 | | |
| 898 | | // JPEG - still image - Joint Photographic Experts Group (JPEG) |
| 899 | | 'jpg' => array( |
| 900 | | 'pattern' => '^\xFF\xD8\xFF', |
| 901 | | 'group' => 'graphic', |
| 902 | | 'module' => 'jpg', |
| 903 | | 'mime_type' => 'image/jpeg', |
| 904 | | 'fail_id3' => 'ERROR', |
| 905 | | 'fail_ape' => 'ERROR', |
| 906 | | ), |
| 907 | | |
| 908 | | // PCD - still image - Kodak Photo CD |
| 909 | | 'pcd' => array( |
| 910 | | 'pattern' => '^.{2048}PCD_IPI\x00', |
| 911 | | 'group' => 'graphic', |
| 912 | | 'module' => 'pcd', |
| 913 | | 'mime_type' => 'image/x-photo-cd', |
| 914 | | 'fail_id3' => 'ERROR', |
| 915 | | 'fail_ape' => 'ERROR', |
| 916 | | ), |
| 917 | | |
| 918 | | |
| 919 | | // PNG - still image - Portable Network Graphics (PNG) |
| 920 | | 'png' => array( |
| 921 | | 'pattern' => '^\x89\x50\x4E\x47\x0D\x0A\x1A\x0A', |
| 922 | | 'group' => 'graphic', |
| 923 | | 'module' => 'png', |
| 924 | | 'mime_type' => 'image/png', |
| 925 | | 'fail_id3' => 'ERROR', |
| 926 | | 'fail_ape' => 'ERROR', |
| 927 | | ), |
| 928 | | |
| 929 | | |
| 930 | | // SVG - still image - Scalable Vector Graphics (SVG) |
| 931 | | 'svg' => array( |
| 932 | | 'pattern' => '(<!DOCTYPE svg PUBLIC |xmlns="http:\/\/www\.w3\.org\/2000\/svg")', |
| 933 | | 'group' => 'graphic', |
| 934 | | 'module' => 'svg', |
| 935 | | 'mime_type' => 'image/svg+xml', |
| 936 | | 'fail_id3' => 'ERROR', |
| 937 | | 'fail_ape' => 'ERROR', |
| 938 | | ), |
| 939 | | |
| 940 | | |
| 941 | | // TIFF - still image - Tagged Information File Format (TIFF) |
| 942 | | 'tiff' => array( |
| 943 | | 'pattern' => '^(II\x2A\x00|MM\x00\x2A)', |
| 944 | | 'group' => 'graphic', |
| 945 | | 'module' => 'tiff', |
| 946 | | 'mime_type' => 'image/tiff', |
| 947 | | 'fail_id3' => 'ERROR', |
| 948 | | 'fail_ape' => 'ERROR', |
| 949 | | ), |
| 950 | | |
| 951 | | |
| 952 | | // EFAX - still image - eFax (TIFF derivative) |
| 953 | | 'efax' => array( |
| 954 | | 'pattern' => '^\xDC\xFE', |
| 955 | | 'group' => 'graphic', |
| 956 | | 'module' => 'efax', |
| 957 | | 'mime_type' => 'image/efax', |
| 958 | | 'fail_id3' => 'ERROR', |
| 959 | | 'fail_ape' => 'ERROR', |
| 960 | | ), |
| 961 | | |
| 962 | | |
| 963 | | // Data formats |
| 964 | | |
| 965 | | // ISO - data - International Standards Organization (ISO) CD-ROM Image |
| 966 | | 'iso' => array( |
| 967 | | 'pattern' => '^.{32769}CD001', |
| 968 | | 'group' => 'misc', |
| 969 | | 'module' => 'iso', |
| 970 | | 'mime_type' => 'application/octet-stream', |
| 971 | | 'fail_id3' => 'ERROR', |
| 972 | | 'fail_ape' => 'ERROR', |
| 973 | | 'iconv_req' => false, |
| 974 | | ), |
| 975 | | |
| 976 | | // RAR - data - RAR compressed data |
| 977 | | 'rar' => array( |
| 978 | | 'pattern' => '^Rar\!', |
| 979 | | 'group' => 'archive', |
| 980 | | 'module' => 'rar', |
| 981 | | 'mime_type' => 'application/octet-stream', |
| 982 | | 'fail_id3' => 'ERROR', |
| 983 | | 'fail_ape' => 'ERROR', |
| 984 | | ), |
| 985 | | |
| 986 | | // SZIP - audio/data - SZIP compressed data |
| 987 | | 'szip' => array( |
| 988 | | 'pattern' => '^SZ\x0A\x04', |
| 989 | | 'group' => 'archive', |
| 990 | | 'module' => 'szip', |
| 991 | | 'mime_type' => 'application/octet-stream', |
| 992 | | 'fail_id3' => 'ERROR', |
| 993 | | 'fail_ape' => 'ERROR', |
| 994 | | ), |
| 995 | | |
| 996 | | // TAR - data - TAR compressed data |
| 997 | | 'tar' => array( |
| 998 | | 'pattern' => '^.{100}[0-9\x20]{7}\x00[0-9\x20]{7}\x00[0-9\x20]{7}\x00[0-9\x20\x00]{12}[0-9\x20\x00]{12}', |
| 999 | | 'group' => 'archive', |
| 1000 | | 'module' => 'tar', |
| 1001 | | 'mime_type' => 'application/x-tar', |
| 1002 | | 'fail_id3' => 'ERROR', |
| 1003 | | 'fail_ape' => 'ERROR', |
| 1004 | | ), |
| 1005 | | |
| 1006 | | // GZIP - data - GZIP compressed data |
| 1007 | | 'gz' => array( |
| 1008 | | 'pattern' => '^\x1F\x8B\x08', |
| 1009 | | 'group' => 'archive', |
| 1010 | | 'module' => 'gzip', |
| 1011 | | 'mime_type' => 'application/x-gzip', |
| 1012 | | 'fail_id3' => 'ERROR', |
| 1013 | | 'fail_ape' => 'ERROR', |
| 1014 | | ), |
| 1015 | | |
| 1016 | | // ZIP - data - ZIP compressed data |
| 1017 | | 'zip' => array( |
| 1018 | | 'pattern' => '^PK\x03\x04', |
| 1019 | | 'group' => 'archive', |
| 1020 | | 'module' => 'zip', |
| 1021 | | 'mime_type' => 'application/zip', |
| 1022 | | 'fail_id3' => 'ERROR', |
| 1023 | | 'fail_ape' => 'ERROR', |
| 1024 | | ), |
| 1025 | | |
| 1026 | | |
| 1027 | | // Misc other formats |
| 1028 | | |
| 1029 | | // PAR2 - data - Parity Volume Set Specification 2.0 |
| 1030 | | 'par2' => array ( |
| 1031 | | 'pattern' => '^PAR2\x00PKT', |
| 1032 | | 'group' => 'misc', |
| 1033 | | 'module' => 'par2', |
| 1034 | | 'mime_type' => 'application/octet-stream', |
| 1035 | | 'fail_id3' => 'ERROR', |
| 1036 | | 'fail_ape' => 'ERROR', |
| 1037 | | ), |
| 1038 | | |
| 1039 | | // PDF - data - Portable Document Format |
| 1040 | | 'pdf' => array( |
| 1041 | | 'pattern' => '^\x25PDF', |
| 1042 | | 'group' => 'misc', |
| 1043 | | 'module' => 'pdf', |
| 1044 | | 'mime_type' => 'application/pdf', |
| 1045 | | 'fail_id3' => 'ERROR', |
| 1046 | | 'fail_ape' => 'ERROR', |
| 1047 | | ), |
| 1048 | | |
| 1049 | | // MSOFFICE - data - ZIP compressed data |
| 1050 | | 'msoffice' => array( |
| 1051 | | 'pattern' => '^\xD0\xCF\x11\xE0\xA1\xB1\x1A\xE1', // D0CF11E == DOCFILE == Microsoft Office Document |
| 1052 | | 'group' => 'misc', |
| 1053 | | 'module' => 'msoffice', |
| 1054 | | 'mime_type' => 'application/octet-stream', |
| 1055 | | 'fail_id3' => 'ERROR', |
| 1056 | | 'fail_ape' => 'ERROR', |
| 1057 | | ), |
| 1058 | | |
| 1059 | | // CUE - data - CUEsheet (index to single-file disc images) |
| 1060 | | 'cue' => array( |
| 1061 | | 'pattern' => '', // empty pattern means cannot be automatically detected, will fall through all other formats and match based on filename and very basic file contents |
| 1062 | | 'group' => 'misc', |
| 1063 | | 'module' => 'cue', |
| 1064 | | 'mime_type' => 'application/octet-stream', |
| 1065 | | ), |
| 1066 | | |
| 1067 | | ); |
| 1068 | | } |
| 1069 | | |
| 1070 | | return $format_info; |
| 1071 | | } |
| 1072 | | |
| 1073 | | |
| 1074 | | |
| 1075 | | public function GetFileFormat(&$filedata, $filename='') { |
| 1076 | | // this function will determine the format of a file based on usually |
| 1077 | | // the first 2-4 bytes of the file (8 bytes for PNG, 16 bytes for JPG, |
| 1078 | | // and in the case of ISO CD image, 6 bytes offset 32kb from the start |
| 1079 | | // of the file). |
| 1080 | | |
| 1081 | | // Identify file format - loop through $format_info and detect with reg expr |
| 1082 | | foreach ($this->GetFileFormatArray() as $format_name => $info) { |
| 1083 | | // The /s switch on preg_match() forces preg_match() NOT to treat |
| 1084 | | // newline (0x0A) characters as special chars but do a binary match |
| 1085 | | if (!empty($info['pattern']) && preg_match('#'.$info['pattern'].'#s', $filedata)) { |
| 1086 | | $info['include'] = 'module.'.$info['group'].'.'.$info['module'].'.php'; |
| 1087 | | return $info; |
| 1088 | | } |
| 1089 | | } |
| 1090 | | |
| 1091 | | |
| 1092 | | if (preg_match('#\.mp[123a]$#i', $filename)) { |
| 1093 | | // Too many mp3 encoders on the market put gabage in front of mpeg files |
| 1094 | | // use assume format on these if format detection failed |
| 1095 | | $GetFileFormatArray = $this->GetFileFormatArray(); |
| 1096 | | $info = $GetFileFormatArray['mp3']; |
| 1097 | | $info['include'] = 'module.'.$info['group'].'.'.$info['module'].'.php'; |
| 1098 | | return $info; |
| 1099 | | } elseif (preg_match('/\.cue$/i', $filename) && preg_match('#FILE "[^"]+" (BINARY|MOTOROLA|AIFF|WAVE|MP3)#', $filedata)) { |
| 1100 | | // there's not really a useful consistent "magic" at the beginning of .cue files to identify them |
| 1101 | | // so until I think of something better, just go by filename if all other format checks fail |
| 1102 | | // and verify there's at least one instance of "TRACK xx AUDIO" in the file |
| 1103 | | $GetFileFormatArray = $this->GetFileFormatArray(); |
| 1104 | | $info = $GetFileFormatArray['cue']; |
| 1105 | | $info['include'] = 'module.'.$info['group'].'.'.$info['module'].'.php'; |
| 1106 | | return $info; |
| 1107 | | } |
| 1108 | | |
| 1109 | | return false; |
| 1110 | | } |
| 1111 | | |
| 1112 | | |
| 1113 | | // converts array to $encoding charset from $this->encoding |
| 1114 | | public function CharConvert(&$array, $encoding) { |
| 1115 | | |
| 1116 | | // identical encoding - end here |
| 1117 | | if ($encoding == $this->encoding) { |
| 1118 | | return; |
| 1119 | | } |
| 1120 | | |
| 1121 | | // loop thru array |
| 1122 | | foreach ($array as $key => $value) { |
| 1123 | | |
| 1124 | | // go recursive |
| 1125 | | if (is_array($value)) { |
| 1126 | | $this->CharConvert($array[$key], $encoding); |
| 1127 | | } |
| 1128 | | |
| 1129 | | // convert string |
| 1130 | | elseif (is_string($value)) { |
| 1131 | | $array[$key] = trim(getid3_lib::iconv_fallback($encoding, $this->encoding, $value)); |
| 1132 | | } |
| 1133 | | } |
| 1134 | | } |
| 1135 | | |
| 1136 | | |
| 1137 | | public function HandleAllTags() { |
| 1138 | | |
| 1139 | | // key name => array (tag name, character encoding) |
| 1140 | | static $tags; |
| 1141 | | if (empty($tags)) { |
| 1142 | | $tags = array( |
| 1143 | | 'asf' => array('asf' , 'UTF-16LE'), |
| 1144 | | 'midi' => array('midi' , 'ISO-8859-1'), |
| 1145 | | 'nsv' => array('nsv' , 'ISO-8859-1'), |
| 1146 | | 'ogg' => array('vorbiscomment' , 'UTF-8'), |
| 1147 | | 'png' => array('png' , 'UTF-8'), |
| 1148 | | 'tiff' => array('tiff' , 'ISO-8859-1'), |
| 1149 | | 'quicktime' => array('quicktime' , 'UTF-8'), |
| 1150 | | 'real' => array('real' , 'ISO-8859-1'), |
| 1151 | | 'vqf' => array('vqf' , 'ISO-8859-1'), |
| 1152 | | 'zip' => array('zip' , 'ISO-8859-1'), |
| 1153 | | 'riff' => array('riff' , 'ISO-8859-1'), |
| 1154 | | 'lyrics3' => array('lyrics3' , 'ISO-8859-1'), |
| 1155 | | 'id3v1' => array('id3v1' , $this->encoding_id3v1), |
| 1156 | | 'id3v2' => array('id3v2' , 'UTF-8'), // not according to the specs (every frame can have a different encoding), but getID3() force-converts all encodings to UTF-8 |
| 1157 | | 'ape' => array('ape' , 'UTF-8'), |
| 1158 | | 'cue' => array('cue' , 'ISO-8859-1'), |
| 1159 | | 'matroska' => array('matroska' , 'UTF-8'), |
| 1160 | | 'flac' => array('vorbiscomment' , 'UTF-8'), |
| 1161 | | 'divxtag' => array('divx' , 'ISO-8859-1'), |
| 1162 | | ); |
| 1163 | | } |
| 1164 | | |
| 1165 | | // loop through comments array |
| 1166 | | foreach ($tags as $comment_name => $tagname_encoding_array) { |
| 1167 | | list($tag_name, $encoding) = $tagname_encoding_array; |
| 1168 | | |
| 1169 | | // fill in default encoding type if not already present |
| 1170 | | if (isset($this->info[$comment_name]) && !isset($this->info[$comment_name]['encoding'])) { |
| 1171 | | $this->info[$comment_name]['encoding'] = $encoding; |
| 1172 | | } |
| 1173 | | |
| 1174 | | // copy comments if key name set |
| 1175 | | if (!empty($this->info[$comment_name]['comments'])) { |
| 1176 | | foreach ($this->info[$comment_name]['comments'] as $tag_key => $valuearray) { |
| 1177 | | foreach ($valuearray as $key => $value) { |
| 1178 | | if (is_string($value)) { |
| 1179 | | $value = trim($value, " \r\n\t"); // do not trim nulls from $value!! Unicode characters will get mangled if trailing nulls are removed! |
| 1180 | | } |
| 1181 | | if ($value) { |
| 1182 | | $this->info['tags'][trim($tag_name)][trim($tag_key)][] = $value; |
| 1183 | | } |
| 1184 | | } |
| 1185 | | if ($tag_key == 'picture') { |
| 1186 | | unset($this->info[$comment_name]['comments'][$tag_key]); |
| 1187 | | } |
| 1188 | | } |
| 1189 | | |
| 1190 | | if (!isset($this->info['tags'][$tag_name])) { |
| 1191 | | // comments are set but contain nothing but empty strings, so skip |
| 1192 | | continue; |
| 1193 | | } |
| 1194 | | |
| 1195 | | if ($this->option_tags_html) { |
| 1196 | | foreach ($this->info['tags'][$tag_name] as $tag_key => $valuearray) { |
| 1197 | | foreach ($valuearray as $key => $value) { |
| 1198 | | if (is_string($value)) { |
| 1199 | | //$this->info['tags_html'][$tag_name][$tag_key][$key] = getid3_lib::MultiByteCharString2HTML($value, $encoding); |
| 1200 | | $this->info['tags_html'][$tag_name][$tag_key][$key] = str_replace('�', '', trim(getid3_lib::MultiByteCharString2HTML($value, $encoding))); |
| 1201 | | } else { |
| 1202 | | $this->info['tags_html'][$tag_name][$tag_key][$key] = $value; |
| 1203 | | } |
| 1204 | | } |
| 1205 | | } |
| 1206 | | } |
| 1207 | | |
| 1208 | | $this->CharConvert($this->info['tags'][$tag_name], $encoding); // only copy gets converted! |
| 1209 | | } |
| 1210 | | |
| 1211 | | } |
| 1212 | | |
| 1213 | | // pictures can take up a lot of space, and we don't need multiple copies of them |
| 1214 | | // let there be a single copy in [comments][picture], and not elsewhere |
| 1215 | | if (!empty($this->info['tags'])) { |
| 1216 | | $unset_keys = array('tags', 'tags_html'); |
| 1217 | | foreach ($this->info['tags'] as $tagtype => $tagarray) { |
| 1218 | | foreach ($tagarray as $tagname => $tagdata) { |
| 1219 | | if ($tagname == 'picture') { |
| 1220 | | foreach ($tagdata as $key => $tagarray) { |
| 1221 | | $this->info['comments']['picture'][] = $tagarray; |
| 1222 | | if (isset($tagarray['data']) && isset($tagarray['image_mime'])) { |
| 1223 | | if (isset($this->info['tags'][$tagtype][$tagname][$key])) { |
| 1224 | | unset($this->info['tags'][$tagtype][$tagname][$key]); |
| 1225 | | } |
| 1226 | | if (isset($this->info['tags_html'][$tagtype][$tagname][$key])) { |
| 1227 | | unset($this->info['tags_html'][$tagtype][$tagname][$key]); |
| 1228 | | } |
| 1229 | | } |
| 1230 | | } |
| 1231 | | } |
| 1232 | | } |
| 1233 | | foreach ($unset_keys as $unset_key) { |
| 1234 | | // remove possible empty keys from (e.g. [tags][id3v2][picture]) |
| 1235 | | if (empty($this->info[$unset_key][$tagtype]['picture'])) { |
| 1236 | | unset($this->info[$unset_key][$tagtype]['picture']); |
| 1237 | | } |
| 1238 | | if (empty($this->info[$unset_key][$tagtype])) { |
| 1239 | | unset($this->info[$unset_key][$tagtype]); |
| 1240 | | } |
| 1241 | | if (empty($this->info[$unset_key])) { |
| 1242 | | unset($this->info[$unset_key]); |
| 1243 | | } |
| 1244 | | } |
| 1245 | | // remove duplicate copy of picture data from (e.g. [id3v2][comments][picture]) |
| 1246 | | if (isset($this->info[$tagtype]['comments']['picture'])) { |
| 1247 | | unset($this->info[$tagtype]['comments']['picture']); |
| 1248 | | } |
| 1249 | | if (empty($this->info[$tagtype]['comments'])) { |
| 1250 | | unset($this->info[$tagtype]['comments']); |
| 1251 | | } |
| 1252 | | if (empty($this->info[$tagtype])) { |
| 1253 | | unset($this->info[$tagtype]); |
| 1254 | | } |
| 1255 | | } |
| 1256 | | } |
| 1257 | | return true; |
| 1258 | | } |
| 1259 | | |
| 1260 | | |
| 1261 | | public function getHashdata($algorithm) { |
| 1262 | | switch ($algorithm) { |
| 1263 | | case 'md5': |
| 1264 | | case 'sha1': |
| 1265 | | break; |
| 1266 | | |
| 1267 | | default: |
| 1268 | | return $this->error('bad algorithm "'.$algorithm.'" in getHashdata()'); |
| 1269 | | break; |
| 1270 | | } |
| 1271 | | |
| 1272 | | if (!empty($this->info['fileformat']) && !empty($this->info['dataformat']) && ($this->info['fileformat'] == 'ogg') && ($this->info['audio']['dataformat'] == 'vorbis')) { |
| 1273 | | |
| 1274 | | // We cannot get an identical md5_data value for Ogg files where the comments |
| 1275 | | // span more than 1 Ogg page (compared to the same audio data with smaller |
| 1276 | | // comments) using the normal getID3() method of MD5'ing the data between the |
| 1277 | | // end of the comments and the end of the file (minus any trailing tags), |
| 1278 | | // because the page sequence numbers of the pages that the audio data is on |
| 1279 | | // do not match. Under normal circumstances, where comments are smaller than |
| 1280 | | // the nominal 4-8kB page size, then this is not a problem, but if there are |
| 1281 | | // very large comments, the only way around it is to strip off the comment |
| 1282 | | // tags with vorbiscomment and MD5 that file. |
| 1283 | | // This procedure must be applied to ALL Ogg files, not just the ones with |
| 1284 | | // comments larger than 1 page, because the below method simply MD5's the |
| 1285 | | // whole file with the comments stripped, not just the portion after the |
| 1286 | | // comments block (which is the standard getID3() method. |
| 1287 | | |
| 1288 | | // The above-mentioned problem of comments spanning multiple pages and changing |
| 1289 | | // page sequence numbers likely happens for OggSpeex and OggFLAC as well, but |
| 1290 | | // currently vorbiscomment only works on OggVorbis files. |
| 1291 | | |
| 1292 | | if (preg_match('#(1|ON)#i', ini_get('safe_mode'))) { |
| 1293 | | |
| 1294 | | $this->warning('Failed making system call to vorbiscomment.exe - '.$algorithm.'_data is incorrect - error returned: PHP running in Safe Mode (backtick operator not available)'); |
| 1295 | | $this->info[$algorithm.'_data'] = false; |
| 1296 | | |
| 1297 | | } else { |
| 1298 | | |
| 1299 | | // Prevent user from aborting script |
| 1300 | | $old_abort = ignore_user_abort(true); |
| 1301 | | |
| 1302 | | // Create empty file |
| 1303 | | $empty = tempnam(GETID3_TEMP_DIR, 'getID3'); |
| 1304 | | touch($empty); |
| 1305 | | |
| 1306 | | // Use vorbiscomment to make temp file without comments |
| 1307 | | $temp = tempnam(GETID3_TEMP_DIR, 'getID3'); |
| 1308 | | $file = $this->info['filenamepath']; |
| 1309 | | |
| 1310 | | if (GETID3_OS_ISWINDOWS) { |
| 1311 | | |
| 1312 | | if (file_exists(GETID3_HELPERAPPSDIR.'vorbiscomment.exe')) { |
| 1313 | | |
| 1314 | | $commandline = '"'.GETID3_HELPERAPPSDIR.'vorbiscomment.exe" -w -c "'.$empty.'" "'.$file.'" "'.$temp.'"'; |
| 1315 | | $VorbisCommentError = `$commandline`; |
| 1316 | | |
| 1317 | | } else { |
| 1318 | | |
| 1319 | | $VorbisCommentError = 'vorbiscomment.exe not found in '.GETID3_HELPERAPPSDIR; |
| 1320 | | |
| 1321 | | } |
| 1322 | | |
| 1323 | | } else { |
| 1324 | | |
| 1325 | | $commandline = 'vorbiscomment -w -c "'.$empty.'" "'.$file.'" "'.$temp.'" 2>&1'; |
| 1326 | | $commandline = 'vorbiscomment -w -c '.escapeshellarg($empty).' '.escapeshellarg($file).' '.escapeshellarg($temp).' 2>&1'; |
| 1327 | | $VorbisCommentError = `$commandline`; |
| 1328 | | |
| 1329 | | } |
| 1330 | | |
| 1331 | | if (!empty($VorbisCommentError)) { |
| 1332 | | |
| 1333 | | $this->info['warning'][] = 'Failed making system call to vorbiscomment(.exe) - '.$algorithm.'_data will be incorrect. If vorbiscomment is unavailable, please download from http://www.vorbis.com/download.psp and put in the getID3() directory. Error returned: '.$VorbisCommentError; |
| 1334 | | $this->info[$algorithm.'_data'] = false; |
| 1335 | | |
| 1336 | | } else { |
| 1337 | | |
| 1338 | | // Get hash of newly created file |
| 1339 | | switch ($algorithm) { |
| 1340 | | case 'md5': |
| 1341 | | $this->info[$algorithm.'_data'] = md5_file($temp); |
| 1342 | | break; |
| 1343 | | |
| 1344 | | case 'sha1': |
| 1345 | | $this->info[$algorithm.'_data'] = sha1_file($temp); |
| 1346 | | break; |
| 1347 | | } |
| 1348 | | } |
| 1349 | | |
| 1350 | | // Clean up |
| 1351 | | unlink($empty); |
| 1352 | | unlink($temp); |
| 1353 | | |
| 1354 | | // Reset abort setting |
| 1355 | | ignore_user_abort($old_abort); |
| 1356 | | |
| 1357 | | } |
| 1358 | | |
| 1359 | | } else { |
| 1360 | | |
| 1361 | | if (!empty($this->info['avdataoffset']) || (isset($this->info['avdataend']) && ($this->info['avdataend'] < $this->info['filesize']))) { |
| 1362 | | |
| 1363 | | // get hash from part of file |
| 1364 | | $this->info[$algorithm.'_data'] = getid3_lib::hash_data($this->info['filenamepath'], $this->info['avdataoffset'], $this->info['avdataend'], $algorithm); |
| 1365 | | |
| 1366 | | } else { |
| 1367 | | |
| 1368 | | // get hash from whole file |
| 1369 | | switch ($algorithm) { |
| 1370 | | case 'md5': |
| 1371 | | $this->info[$algorithm.'_data'] = md5_file($this->info['filenamepath']); |
| 1372 | | break; |
| 1373 | | |
| 1374 | | case 'sha1': |
| 1375 | | $this->info[$algorithm.'_data'] = sha1_file($this->info['filenamepath']); |
| 1376 | | break; |
| 1377 | | } |
| 1378 | | } |
| 1379 | | |
| 1380 | | } |
| 1381 | | return true; |
| 1382 | | } |
| 1383 | | |
| 1384 | | |
| 1385 | | public function ChannelsBitratePlaytimeCalculations() { |
| 1386 | | |
| 1387 | | // set channelmode on audio |
| 1388 | | if (!empty($this->info['audio']['channelmode']) || !isset($this->info['audio']['channels'])) { |
| 1389 | | // ignore |
| 1390 | | } elseif ($this->info['audio']['channels'] == 1) { |
| 1391 | | $this->info['audio']['channelmode'] = 'mono'; |
| 1392 | | } elseif ($this->info['audio']['channels'] == 2) { |
| 1393 | | $this->info['audio']['channelmode'] = 'stereo'; |
| 1394 | | } |
| 1395 | | |
| 1396 | | // Calculate combined bitrate - audio + video |
| 1397 | | $CombinedBitrate = 0; |
| 1398 | | $CombinedBitrate += (isset($this->info['audio']['bitrate']) ? $this->info['audio']['bitrate'] : 0); |
| 1399 | | $CombinedBitrate += (isset($this->info['video']['bitrate']) ? $this->info['video']['bitrate'] : 0); |
| 1400 | | if (($CombinedBitrate > 0) && empty($this->info['bitrate'])) { |
| 1401 | | $this->info['bitrate'] = $CombinedBitrate; |
| 1402 | | } |
| 1403 | | //if ((isset($this->info['video']) && !isset($this->info['video']['bitrate'])) || (isset($this->info['audio']) && !isset($this->info['audio']['bitrate']))) { |
| 1404 | | // // for example, VBR MPEG video files cannot determine video bitrate: |
| 1405 | | // // should not set overall bitrate and playtime from audio bitrate only |
| 1406 | | // unset($this->info['bitrate']); |
| 1407 | | //} |
| 1408 | | |
| 1409 | | // video bitrate undetermined, but calculable |
| 1410 | | if (isset($this->info['video']['dataformat']) && $this->info['video']['dataformat'] && (!isset($this->info['video']['bitrate']) || ($this->info['video']['bitrate'] == 0))) { |
| 1411 | | // if video bitrate not set |
| 1412 | | if (isset($this->info['audio']['bitrate']) && ($this->info['audio']['bitrate'] > 0) && ($this->info['audio']['bitrate'] == $this->info['bitrate'])) { |
| 1413 | | // AND if audio bitrate is set to same as overall bitrate |
| 1414 | | if (isset($this->info['playtime_seconds']) && ($this->info['playtime_seconds'] > 0)) { |
| 1415 | | // AND if playtime is set |
| 1416 | | if (isset($this->info['avdataend']) && isset($this->info['avdataoffset'])) { |
| 1417 | | // AND if AV data offset start/end is known |
| 1418 | | // THEN we can calculate the video bitrate |
| 1419 | | $this->info['bitrate'] = round((($this->info['avdataend'] - $this->info['avdataoffset']) * 8) / $this->info['playtime_seconds']); |
| 1420 | | $this->info['video']['bitrate'] = $this->info['bitrate'] - $this->info['audio']['bitrate']; |
| 1421 | | } |
| 1422 | | } |
| 1423 | | } |
| 1424 | | } |
| 1425 | | |
| 1426 | | if ((!isset($this->info['playtime_seconds']) || ($this->info['playtime_seconds'] <= 0)) && !empty($this->info['bitrate'])) { |
| 1427 | | $this->info['playtime_seconds'] = (($this->info['avdataend'] - $this->info['avdataoffset']) * 8) / $this->info['bitrate']; |
| 1428 | | } |
| 1429 | | |
| 1430 | | if (!isset($this->info['bitrate']) && !empty($this->info['playtime_seconds'])) { |
| 1431 | | $this->info['bitrate'] = (($this->info['avdataend'] - $this->info['avdataoffset']) * 8) / $this->info['playtime_seconds']; |
| 1432 | | } |
| 1433 | | if (isset($this->info['bitrate']) && empty($this->info['audio']['bitrate']) && empty($this->info['video']['bitrate'])) { |
| 1434 | | if (isset($this->info['audio']['dataformat']) && empty($this->info['video']['resolution_x'])) { |
| 1435 | | // audio only |
| 1436 | | $this->info['audio']['bitrate'] = $this->info['bitrate']; |
| 1437 | | } elseif (isset($this->info['video']['resolution_x']) && empty($this->info['audio']['dataformat'])) { |
| 1438 | | // video only |
| 1439 | | $this->info['video']['bitrate'] = $this->info['bitrate']; |
| 1440 | | } |
| 1441 | | } |
| 1442 | | |
| 1443 | | // Set playtime string |
| 1444 | | if (!empty($this->info['playtime_seconds']) && empty($this->info['playtime_string'])) { |
| 1445 | | $this->info['playtime_string'] = getid3_lib::PlaytimeString($this->info['playtime_seconds']); |
| 1446 | | } |
| 1447 | | } |
| 1448 | | |
| 1449 | | |
| 1450 | | public function CalculateCompressionRatioVideo() { |
| 1451 | | if (empty($this->info['video'])) { |
| 1452 | | return false; |
| 1453 | | } |
| 1454 | | if (empty($this->info['video']['resolution_x']) || empty($this->info['video']['resolution_y'])) { |
| 1455 | | return false; |
| 1456 | | } |
| 1457 | | if (empty($this->info['video']['bits_per_sample'])) { |
| 1458 | | return false; |
| 1459 | | } |
| 1460 | | |
| 1461 | | switch ($this->info['video']['dataformat']) { |
| 1462 | | case 'bmp': |
| 1463 | | case 'gif': |
| 1464 | | case 'jpeg': |
| 1465 | | case 'jpg': |
| 1466 | | case 'png': |
| 1467 | | case 'tiff': |
| 1468 | | $FrameRate = 1; |
| 1469 | | $PlaytimeSeconds = 1; |
| 1470 | | $BitrateCompressed = $this->info['filesize'] * 8; |
| 1471 | | break; |
| 1472 | | |
| 1473 | | default: |
| 1474 | | if (!empty($this->info['video']['frame_rate'])) { |
| 1475 | | $FrameRate = $this->info['video']['frame_rate']; |
| 1476 | | } else { |
| 1477 | | return false; |
| 1478 | | } |
| 1479 | | if (!empty($this->info['playtime_seconds'])) { |
| 1480 | | $PlaytimeSeconds = $this->info['playtime_seconds']; |
| 1481 | | } else { |
| 1482 | | return false; |
| 1483 | | } |
| 1484 | | if (!empty($this->info['video']['bitrate'])) { |
| 1485 | | $BitrateCompressed = $this->info['video']['bitrate']; |
| 1486 | | } else { |
| 1487 | | return false; |
| 1488 | | } |
| 1489 | | break; |
| 1490 | | } |
| 1491 | | $BitrateUncompressed = $this->info['video']['resolution_x'] * $this->info['video']['resolution_y'] * $this->info['video']['bits_per_sample'] * $FrameRate; |
| 1492 | | |
| 1493 | | $this->info['video']['compression_ratio'] = $BitrateCompressed / $BitrateUncompressed; |
| 1494 | | return true; |
| 1495 | | } |
| 1496 | | |
| 1497 | | |
| 1498 | | public function CalculateCompressionRatioAudio() { |
| 1499 | | if (empty($this->info['audio']['bitrate']) || empty($this->info['audio']['channels']) || empty($this->info['audio']['sample_rate']) || !is_numeric($this->info['audio']['sample_rate'])) { |
| 1500 | | return false; |
| 1501 | | } |
| 1502 | | $this->info['audio']['compression_ratio'] = $this->info['audio']['bitrate'] / ($this->info['audio']['channels'] * $this->info['audio']['sample_rate'] * (!empty($this->info['audio']['bits_per_sample']) ? $this->info['audio']['bits_per_sample'] : 16)); |
| 1503 | | |
| 1504 | | if (!empty($this->info['audio']['streams'])) { |
| 1505 | | foreach ($this->info['audio']['streams'] as $streamnumber => $streamdata) { |
| 1506 | | if (!empty($streamdata['bitrate']) && !empty($streamdata['channels']) && !empty($streamdata['sample_rate'])) { |
| 1507 | | $this->info['audio']['streams'][$streamnumber]['compression_ratio'] = $streamdata['bitrate'] / ($streamdata['channels'] * $streamdata['sample_rate'] * (!empty($streamdata['bits_per_sample']) ? $streamdata['bits_per_sample'] : 16)); |
| 1508 | | } |
| 1509 | | } |
| 1510 | | } |
| 1511 | | return true; |
| 1512 | | } |
| 1513 | | |
| 1514 | | |
| 1515 | | public function CalculateReplayGain() { |
| 1516 | | if (isset($this->info['replay_gain'])) { |
| 1517 | | if (!isset($this->info['replay_gain']['reference_volume'])) { |
| 1518 | | $this->info['replay_gain']['reference_volume'] = (double) 89.0; |
| 1519 | | } |
| 1520 | | if (isset($this->info['replay_gain']['track']['adjustment'])) { |
| 1521 | | $this->info['replay_gain']['track']['volume'] = $this->info['replay_gain']['reference_volume'] - $this->info['replay_gain']['track']['adjustment']; |
| 1522 | | } |
| 1523 | | if (isset($this->info['replay_gain']['album']['adjustment'])) { |
| 1524 | | $this->info['replay_gain']['album']['volume'] = $this->info['replay_gain']['reference_volume'] - $this->info['replay_gain']['album']['adjustment']; |
| 1525 | | } |
| 1526 | | |
| 1527 | | if (isset($this->info['replay_gain']['track']['peak'])) { |
| 1528 | | $this->info['replay_gain']['track']['max_noclip_gain'] = 0 - getid3_lib::RGADamplitude2dB($this->info['replay_gain']['track']['peak']); |
| 1529 | | } |
| 1530 | | if (isset($this->info['replay_gain']['album']['peak'])) { |
| 1531 | | $this->info['replay_gain']['album']['max_noclip_gain'] = 0 - getid3_lib::RGADamplitude2dB($this->info['replay_gain']['album']['peak']); |
| 1532 | | } |
| 1533 | | } |
| 1534 | | return true; |
| 1535 | | } |
| 1536 | | |
| 1537 | | public function ProcessAudioStreams() { |
| 1538 | | if (!empty($this->info['audio']['bitrate']) || !empty($this->info['audio']['channels']) || !empty($this->info['audio']['sample_rate'])) { |
| 1539 | | if (!isset($this->info['audio']['streams'])) { |
| 1540 | | foreach ($this->info['audio'] as $key => $value) { |
| 1541 | | if ($key != 'streams') { |
| 1542 | | $this->info['audio']['streams'][0][$key] = $value; |
| 1543 | | } |
| 1544 | | } |
| 1545 | | } |
| 1546 | | } |
| 1547 | | return true; |
| 1548 | | } |
| 1549 | | |
| 1550 | | public function getid3_tempnam() { |
| 1551 | | return tempnam($this->tempdir, 'gI3'); |
| 1552 | | } |
| 1553 | | |
| 1554 | | public function include_module($name) { |
| 1555 | | //if (!file_exists($this->include_path.'module.'.$name.'.php')) { |
| 1556 | | if (!file_exists(GETID3_INCLUDEPATH.'module.'.$name.'.php')) { |
| 1557 | | throw new getid3_exception('Required module.'.$name.'.php is missing.'); |
| 1558 | | } |
| 1559 | | include_once(GETID3_INCLUDEPATH.'module.'.$name.'.php'); |
| 1560 | | return true; |
| 1561 | | } |
| 1562 | | |
| 1563 | | } |
| 1564 | | |
| 1565 | | |
| 1566 | | abstract class getid3_handler |
| 1567 | | { |
| 1568 | | protected $getid3; // pointer |
| 1569 | | |
| 1570 | | protected $data_string_flag = false; // analyzing filepointer or string |
| 1571 | | protected $data_string = ''; // string to analyze |
| 1572 | | protected $data_string_position = 0; // seek position in string |
| 1573 | | protected $data_string_length = 0; // string length |
| 1574 | | |
| 1575 | | private $dependency_to = null; |
| 1576 | | |
| 1577 | | |
| 1578 | | public function __construct(getID3 $getid3, $call_module=null) { |
| 1579 | | $this->getid3 = $getid3; |
| 1580 | | |
| 1581 | | if ($call_module) { |
| 1582 | | $this->dependency_to = str_replace('getid3_', '', $call_module); |
| 1583 | | } |
| 1584 | | } |
| 1585 | | |
| 1586 | | |
| 1587 | | // Analyze from file pointer |
| 1588 | | abstract public function Analyze(); |
| 1589 | | |
| 1590 | | |
| 1591 | | // Analyze from string instead |
| 1592 | | public function AnalyzeString($string) { |
| 1593 | | // Enter string mode |
| 1594 | | $this->setStringMode($string); |
| 1595 | | |
| 1596 | | // Save info |
| 1597 | | $saved_avdataoffset = $this->getid3->info['avdataoffset']; |
| 1598 | | $saved_avdataend = $this->getid3->info['avdataend']; |
| 1599 | | $saved_filesize = (isset($this->getid3->info['filesize']) ? $this->getid3->info['filesize'] : null); // may be not set if called as dependency without openfile() call |
| 1600 | | |
| 1601 | | // Reset some info |
| 1602 | | $this->getid3->info['avdataoffset'] = 0; |
| 1603 | | $this->getid3->info['avdataend'] = $this->getid3->info['filesize'] = $this->data_string_length; |
| 1604 | | |
| 1605 | | // Analyze |
| 1606 | | $this->Analyze(); |
| 1607 | | |
| 1608 | | // Restore some info |
| 1609 | | $this->getid3->info['avdataoffset'] = $saved_avdataoffset; |
| 1610 | | $this->getid3->info['avdataend'] = $saved_avdataend; |
| 1611 | | $this->getid3->info['filesize'] = $saved_filesize; |
| 1612 | | |
| 1613 | | // Exit string mode |
| 1614 | | $this->data_string_flag = false; |
| 1615 | | } |
| 1616 | | |
| 1617 | | public function setStringMode($string) { |
| 1618 | | $this->data_string_flag = true; |
| 1619 | | $this->data_string = $string; |
| 1620 | | $this->data_string_length = strlen($string); |
| 1621 | | } |
| 1622 | | |
| 1623 | | protected function ftell() { |
| 1624 | | if ($this->data_string_flag) { |
| 1625 | | return $this->data_string_position; |
| 1626 | | } |
| 1627 | | return ftell($this->getid3->fp); |
| 1628 | | } |
| 1629 | | |
| 1630 | | protected function fread($bytes) { |
| 1631 | | if ($this->data_string_flag) { |
| 1632 | | $this->data_string_position += $bytes; |
| 1633 | | return substr($this->data_string, $this->data_string_position - $bytes, $bytes); |
| 1634 | | } |
| 1635 | | $pos = $this->ftell() + $bytes; |
| 1636 | | if (!getid3_lib::intValueSupported($pos)) { |
| 1637 | | throw new getid3_exception('cannot fread('.$bytes.' from '.$this->ftell().') because beyond PHP filesystem limit', 10); |
| 1638 | | } |
| 1639 | | return fread($this->getid3->fp, $bytes); |
| 1640 | | } |
| 1641 | | |
| 1642 | | protected function fseek($bytes, $whence=SEEK_SET) { |
| 1643 | | if ($this->data_string_flag) { |
| 1644 | | switch ($whence) { |
| 1645 | | case SEEK_SET: |
| 1646 | | $this->data_string_position = $bytes; |
| 1647 | | break; |
| 1648 | | |
| 1649 | | case SEEK_CUR: |
| 1650 | | $this->data_string_position += $bytes; |
| 1651 | | break; |
| 1652 | | |
| 1653 | | case SEEK_END: |
| 1654 | | $this->data_string_position = $this->data_string_length + $bytes; |
| 1655 | | break; |
| 1656 | | } |
| 1657 | | return 0; |
| 1658 | | } else { |
| 1659 | | $pos = $bytes; |
| 1660 | | if ($whence == SEEK_CUR) { |
| 1661 | | $pos = $this->ftell() + $bytes; |
| 1662 | | } elseif ($whence == SEEK_END) { |
| 1663 | | $pos = $this->info['filesize'] + $bytes; |
| 1664 | | } |
| 1665 | | if (!getid3_lib::intValueSupported($pos)) { |
| 1666 | | throw new getid3_exception('cannot fseek('.$pos.') because beyond PHP filesystem limit', 10); |
| 1667 | | } |
| 1668 | | } |
| 1669 | | return fseek($this->getid3->fp, $bytes, $whence); |
| 1670 | | } |
| 1671 | | |
| 1672 | | protected function feof() { |
| 1673 | | if ($this->data_string_flag) { |
| 1674 | | return $this->data_string_position >= $this->data_string_length; |
| 1675 | | } |
| 1676 | | return feof($this->getid3->fp); |
| 1677 | | } |
| 1678 | | |
| 1679 | | final protected function isDependencyFor($module) { |
| 1680 | | return $this->dependency_to == $module; |
| 1681 | | } |
| 1682 | | |
| 1683 | | protected function error($text) |
| 1684 | | { |
| 1685 | | $this->getid3->info['error'][] = $text; |
| 1686 | | |
| 1687 | | return false; |
| 1688 | | } |
| 1689 | | |
| 1690 | | protected function warning($text) |
| 1691 | | { |
| 1692 | | return $this->getid3->warning($text); |
| 1693 | | } |
| 1694 | | |
| 1695 | | protected function notice($text) |
| 1696 | | { |
| 1697 | | // does nothing for now |
| 1698 | | } |
| 1699 | | |
| 1700 | | public function saveAttachment($name, $offset, $length, $image_mime=null) { |
| 1701 | | try { |
| 1702 | | |
| 1703 | | // do not extract at all |
| 1704 | | if ($this->getid3->option_save_attachments === getID3::ATTACHMENTS_NONE) { |
| 1705 | | |
| 1706 | | $attachment = null; // do not set any |
| 1707 | | |
| 1708 | | // extract to return array |
| 1709 | | } elseif ($this->getid3->option_save_attachments === getID3::ATTACHMENTS_INLINE) { |
| 1710 | | |
| 1711 | | $this->fseek($offset); |
| 1712 | | $attachment = $this->fread($length); // get whole data in one pass, till it is anyway stored in memory |
| 1713 | | if ($attachment === false || strlen($attachment) != $length) { |
| 1714 | | throw new Exception('failed to read attachment data'); |
| 1715 | | } |
| 1716 | | |
| 1717 | | // assume directory path is given |
| 1718 | | } else { |
| 1719 | | |
| 1720 | | // set up destination path |
| 1721 | | $dir = rtrim(str_replace(array('/', '\\'), DIRECTORY_SEPARATOR, $this->getid3->option_save_attachments), DIRECTORY_SEPARATOR); |
| 1722 | | if (!is_dir($dir) || !is_writable($dir)) { // check supplied directory |
| 1723 | | throw new Exception('supplied path ('.$dir.') does not exist, or is not writable'); |
| 1724 | | } |
| 1725 | | $dest = $dir.DIRECTORY_SEPARATOR.$name.($image_mime ? '.'.getid3_lib::ImageExtFromMime($image_mime) : ''); |
| 1726 | | |
| 1727 | | // create dest file |
| 1728 | | if (($fp_dest = fopen($dest, 'wb')) == false) { |
| 1729 | | throw new Exception('failed to create file '.$dest); |
| 1730 | | } |
| 1731 | | |
| 1732 | | // copy data |
| 1733 | | $this->fseek($offset); |
| 1734 | | $buffersize = ($this->data_string_flag ? $length : $this->getid3->fread_buffer_size()); |
| 1735 | | $bytesleft = $length; |
| 1736 | | while ($bytesleft > 0) { |
| 1737 | | if (($buffer = $this->fread(min($buffersize, $bytesleft))) === false || ($byteswritten = fwrite($fp_dest, $buffer)) === false || ($byteswritten === 0)) { |
| 1738 | | throw new Exception($buffer === false ? 'not enough data to read' : 'failed to write to destination file, may be not enough disk space'); |
| 1739 | | } |
| 1740 | | $bytesleft -= $byteswritten; |
| 1741 | | } |
| 1742 | | |
| 1743 | | fclose($fp_dest); |
| 1744 | | $attachment = $dest; |
| 1745 | | |
| 1746 | | } |
| 1747 | | |
| 1748 | | } catch (Exception $e) { |
| 1749 | | |
| 1750 | | // close and remove dest file if created |
| 1751 | | if (isset($fp_dest) && is_resource($fp_dest)) { |
| 1752 | | fclose($fp_dest); |
| 1753 | | unlink($dest); |
| 1754 | | } |
| 1755 | | |
| 1756 | | // do not set any is case of error |
| 1757 | | $attachment = null; |
| 1758 | | $this->warning('Failed to extract attachment '.$name.': '.$e->getMessage()); |
| 1759 | | |
| 1760 | | } |
| 1761 | | |
| 1762 | | // seek to the end of attachment |
| 1763 | | $this->fseek($offset + $length); |
| 1764 | | |
| 1765 | | return $attachment; |
| 1766 | | } |
| 1767 | | } |
| 1768 | | |
| 1769 | | class getid3_exception extends Exception { |
| 1770 | | public $message; |
| 1771 | | } |
| 1772 | | No newline at end of file |