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 |