Wordpress 3.5
[autoinstalls/wordpress.git] / wp-includes / SimplePie / Enclosure.php
1 <?php
2 /**
3  * SimplePie
4  *
5  * A PHP-Based RSS and Atom Feed Framework.
6  * Takes the hard work out of managing a complete RSS/Atom solution.
7  *
8  * Copyright (c) 2004-2012, Ryan Parman, Geoffrey Sneddon, Ryan McCue, and contributors
9  * All rights reserved.
10  *
11  * Redistribution and use in source and binary forms, with or without modification, are
12  * permitted provided that the following conditions are met:
13  *
14  *      * Redistributions of source code must retain the above copyright notice, this list of
15  *        conditions and the following disclaimer.
16  *
17  *      * Redistributions in binary form must reproduce the above copyright notice, this list
18  *        of conditions and the following disclaimer in the documentation and/or other materials
19  *        provided with the distribution.
20  *
21  *      * Neither the name of the SimplePie Team nor the names of its contributors may be used
22  *        to endorse or promote products derived from this software without specific prior
23  *        written permission.
24  *
25  * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND ANY EXPRESS
26  * OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY
27  * AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDERS
28  * AND CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
29  * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
30  * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
31  * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
32  * OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
33  * POSSIBILITY OF SUCH DAMAGE.
34  *
35  * @package SimplePie
36  * @version 1.3.1
37  * @copyright 2004-2012 Ryan Parman, Geoffrey Sneddon, Ryan McCue
38  * @author Ryan Parman
39  * @author Geoffrey Sneddon
40  * @author Ryan McCue
41  * @link http://simplepie.org/ SimplePie
42  * @license http://www.opensource.org/licenses/bsd-license.php BSD License
43  */
44
45 /**
46  * Handles everything related to enclosures (including Media RSS and iTunes RSS)
47  *
48  * Used by {@see SimplePie_Item::get_enclosure()} and {@see SimplePie_Item::get_enclosures()}
49  *
50  * This class can be overloaded with {@see SimplePie::set_enclosure_class()}
51  *
52  * @package SimplePie
53  * @subpackage API
54  */
55 class SimplePie_Enclosure
56 {
57         /**
58          * @var string
59          * @see get_bitrate()
60          */
61         var $bitrate;
62
63         /**
64          * @var array
65          * @see get_captions()
66          */
67         var $captions;
68
69         /**
70          * @var array
71          * @see get_categories()
72          */
73         var $categories;
74
75         /**
76          * @var int
77          * @see get_channels()
78          */
79         var $channels;
80
81         /**
82          * @var SimplePie_Copyright
83          * @see get_copyright()
84          */
85         var $copyright;
86
87         /**
88          * @var array
89          * @see get_credits()
90          */
91         var $credits;
92
93         /**
94          * @var string
95          * @see get_description()
96          */
97         var $description;
98
99         /**
100          * @var int
101          * @see get_duration()
102          */
103         var $duration;
104
105         /**
106          * @var string
107          * @see get_expression()
108          */
109         var $expression;
110
111         /**
112          * @var string
113          * @see get_framerate()
114          */
115         var $framerate;
116
117         /**
118          * @var string
119          * @see get_handler()
120          */
121         var $handler;
122
123         /**
124          * @var array
125          * @see get_hashes()
126          */
127         var $hashes;
128
129         /**
130          * @var string
131          * @see get_height()
132          */
133         var $height;
134
135         /**
136          * @deprecated
137          * @var null
138          */
139         var $javascript;
140
141         /**
142          * @var array
143          * @see get_keywords()
144          */
145         var $keywords;
146
147         /**
148          * @var string
149          * @see get_language()
150          */
151         var $lang;
152
153         /**
154          * @var string
155          * @see get_length()
156          */
157         var $length;
158
159         /**
160          * @var string
161          * @see get_link()
162          */
163         var $link;
164
165         /**
166          * @var string
167          * @see get_medium()
168          */
169         var $medium;
170
171         /**
172          * @var string
173          * @see get_player()
174          */
175         var $player;
176
177         /**
178          * @var array
179          * @see get_ratings()
180          */
181         var $ratings;
182
183         /**
184          * @var array
185          * @see get_restrictions()
186          */
187         var $restrictions;
188
189         /**
190          * @var string
191          * @see get_sampling_rate()
192          */
193         var $samplingrate;
194
195         /**
196          * @var array
197          * @see get_thumbnails()
198          */
199         var $thumbnails;
200
201         /**
202          * @var string
203          * @see get_title()
204          */
205         var $title;
206
207         /**
208          * @var string
209          * @see get_type()
210          */
211         var $type;
212
213         /**
214          * @var string
215          * @see get_width()
216          */
217         var $width;
218
219         /**
220          * Constructor, used to input the data
221          *
222          * For documentation on all the parameters, see the corresponding
223          * properties and their accessors
224          *
225          * @uses idna_convert If available, this will convert an IDN
226          */
227         public function __construct($link = null, $type = null, $length = null, $javascript = null, $bitrate = null, $captions = null, $categories = null, $channels = null, $copyright = null, $credits = null, $description = null, $duration = null, $expression = null, $framerate = null, $hashes = null, $height = null, $keywords = null, $lang = null, $medium = null, $player = null, $ratings = null, $restrictions = null, $samplingrate = null, $thumbnails = null, $title = null, $width = null)
228         {
229                 $this->bitrate = $bitrate;
230                 $this->captions = $captions;
231                 $this->categories = $categories;
232                 $this->channels = $channels;
233                 $this->copyright = $copyright;
234                 $this->credits = $credits;
235                 $this->description = $description;
236                 $this->duration = $duration;
237                 $this->expression = $expression;
238                 $this->framerate = $framerate;
239                 $this->hashes = $hashes;
240                 $this->height = $height;
241                 $this->keywords = $keywords;
242                 $this->lang = $lang;
243                 $this->length = $length;
244                 $this->link = $link;
245                 $this->medium = $medium;
246                 $this->player = $player;
247                 $this->ratings = $ratings;
248                 $this->restrictions = $restrictions;
249                 $this->samplingrate = $samplingrate;
250                 $this->thumbnails = $thumbnails;
251                 $this->title = $title;
252                 $this->type = $type;
253                 $this->width = $width;
254
255                 if (class_exists('idna_convert'))
256                 {
257                         $idn = new idna_convert();
258                         $parsed = SimplePie_Misc::parse_url($link);
259                         $this->link = SimplePie_Misc::compress_parse_url($parsed['scheme'], $idn->encode($parsed['authority']), $parsed['path'], $parsed['query'], $parsed['fragment']);
260                 }
261                 $this->handler = $this->get_handler(); // Needs to load last
262         }
263
264         /**
265          * String-ified version
266          *
267          * @return string
268          */
269         public function __toString()
270         {
271                 // There is no $this->data here
272                 return md5(serialize($this));
273         }
274
275         /**
276          * Get the bitrate
277          *
278          * @return string|null
279          */
280         public function get_bitrate()
281         {
282                 if ($this->bitrate !== null)
283                 {
284                         return $this->bitrate;
285                 }
286                 else
287                 {
288                         return null;
289                 }
290         }
291
292         /**
293          * Get a single caption
294          *
295          * @param int $key
296          * @return SimplePie_Caption|null
297          */
298         public function get_caption($key = 0)
299         {
300                 $captions = $this->get_captions();
301                 if (isset($captions[$key]))
302                 {
303                         return $captions[$key];
304                 }
305                 else
306                 {
307                         return null;
308                 }
309         }
310
311         /**
312          * Get all captions
313          *
314          * @return array|null Array of {@see SimplePie_Caption} objects
315          */
316         public function get_captions()
317         {
318                 if ($this->captions !== null)
319                 {
320                         return $this->captions;
321                 }
322                 else
323                 {
324                         return null;
325                 }
326         }
327
328         /**
329          * Get a single category
330          *
331          * @param int $key
332          * @return SimplePie_Category|null
333          */
334         public function get_category($key = 0)
335         {
336                 $categories = $this->get_categories();
337                 if (isset($categories[$key]))
338                 {
339                         return $categories[$key];
340                 }
341                 else
342                 {
343                         return null;
344                 }
345         }
346
347         /**
348          * Get all categories
349          *
350          * @return array|null Array of {@see SimplePie_Category} objects
351          */
352         public function get_categories()
353         {
354                 if ($this->categories !== null)
355                 {
356                         return $this->categories;
357                 }
358                 else
359                 {
360                         return null;
361                 }
362         }
363
364         /**
365          * Get the number of audio channels
366          *
367          * @return int|null
368          */
369         public function get_channels()
370         {
371                 if ($this->channels !== null)
372                 {
373                         return $this->channels;
374                 }
375                 else
376                 {
377                         return null;
378                 }
379         }
380
381         /**
382          * Get the copyright information
383          *
384          * @return SimplePie_Copyright|null
385          */
386         public function get_copyright()
387         {
388                 if ($this->copyright !== null)
389                 {
390                         return $this->copyright;
391                 }
392                 else
393                 {
394                         return null;
395                 }
396         }
397
398         /**
399          * Get a single credit
400          *
401          * @param int $key
402          * @return SimplePie_Credit|null
403          */
404         public function get_credit($key = 0)
405         {
406                 $credits = $this->get_credits();
407                 if (isset($credits[$key]))
408                 {
409                         return $credits[$key];
410                 }
411                 else
412                 {
413                         return null;
414                 }
415         }
416
417         /**
418          * Get all credits
419          *
420          * @return array|null Array of {@see SimplePie_Credit} objects
421          */
422         public function get_credits()
423         {
424                 if ($this->credits !== null)
425                 {
426                         return $this->credits;
427                 }
428                 else
429                 {
430                         return null;
431                 }
432         }
433
434         /**
435          * Get the description of the enclosure
436          *
437          * @return string|null
438          */
439         public function get_description()
440         {
441                 if ($this->description !== null)
442                 {
443                         return $this->description;
444                 }
445                 else
446                 {
447                         return null;
448                 }
449         }
450
451         /**
452          * Get the duration of the enclosure
453          *
454          * @param string $convert Convert seconds into hh:mm:ss
455          * @return string|int|null 'hh:mm:ss' string if `$convert` was specified, otherwise integer (or null if none found)
456          */
457         public function get_duration($convert = false)
458         {
459                 if ($this->duration !== null)
460                 {
461                         if ($convert)
462                         {
463                                 $time = SimplePie_Misc::time_hms($this->duration);
464                                 return $time;
465                         }
466                         else
467                         {
468                                 return $this->duration;
469                         }
470                 }
471                 else
472                 {
473                         return null;
474                 }
475         }
476
477         /**
478          * Get the expression
479          *
480          * @return string Probably one of 'sample', 'full', 'nonstop', 'clip'. Defaults to 'full'
481          */
482         public function get_expression()
483         {
484                 if ($this->expression !== null)
485                 {
486                         return $this->expression;
487                 }
488                 else
489                 {
490                         return 'full';
491                 }
492         }
493
494         /**
495          * Get the file extension
496          *
497          * @return string|null
498          */
499         public function get_extension()
500         {
501                 if ($this->link !== null)
502                 {
503                         $url = SimplePie_Misc::parse_url($this->link);
504                         if ($url['path'] !== '')
505                         {
506                                 return pathinfo($url['path'], PATHINFO_EXTENSION);
507                         }
508                 }
509                 return null;
510         }
511
512         /**
513          * Get the framerate (in frames-per-second)
514          *
515          * @return string|null
516          */
517         public function get_framerate()
518         {
519                 if ($this->framerate !== null)
520                 {
521                         return $this->framerate;
522                 }
523                 else
524                 {
525                         return null;
526                 }
527         }
528
529         /**
530          * Get the preferred handler
531          *
532          * @return string|null One of 'flash', 'fmedia', 'quicktime', 'wmedia', 'mp3'
533          */
534         public function get_handler()
535         {
536                 return $this->get_real_type(true);
537         }
538
539         /**
540          * Get a single hash
541          *
542          * @link http://www.rssboard.org/media-rss#media-hash
543          * @param int $key
544          * @return string|null Hash as per `media:hash`, prefixed with "$algo:"
545          */
546         public function get_hash($key = 0)
547         {
548                 $hashes = $this->get_hashes();
549                 if (isset($hashes[$key]))
550                 {
551                         return $hashes[$key];
552                 }
553                 else
554                 {
555                         return null;
556                 }
557         }
558
559         /**
560          * Get all credits
561          *
562          * @return array|null Array of strings, see {@see get_hash()}
563          */
564         public function get_hashes()
565         {
566                 if ($this->hashes !== null)
567                 {
568                         return $this->hashes;
569                 }
570                 else
571                 {
572                         return null;
573                 }
574         }
575
576         /**
577          * Get the height
578          *
579          * @return string|null
580          */
581         public function get_height()
582         {
583                 if ($this->height !== null)
584                 {
585                         return $this->height;
586                 }
587                 else
588                 {
589                         return null;
590                 }
591         }
592
593         /**
594          * Get the language
595          *
596          * @link http://tools.ietf.org/html/rfc3066
597          * @return string|null Language code as per RFC 3066
598          */
599         public function get_language()
600         {
601                 if ($this->lang !== null)
602                 {
603                         return $this->lang;
604                 }
605                 else
606                 {
607                         return null;
608                 }
609         }
610
611         /**
612          * Get a single keyword
613          *
614          * @param int $key
615          * @return string|null
616          */
617         public function get_keyword($key = 0)
618         {
619                 $keywords = $this->get_keywords();
620                 if (isset($keywords[$key]))
621                 {
622                         return $keywords[$key];
623                 }
624                 else
625                 {
626                         return null;
627                 }
628         }
629
630         /**
631          * Get all keywords
632          *
633          * @return array|null Array of strings
634          */
635         public function get_keywords()
636         {
637                 if ($this->keywords !== null)
638                 {
639                         return $this->keywords;
640                 }
641                 else
642                 {
643                         return null;
644                 }
645         }
646
647         /**
648          * Get length
649          *
650          * @return float Length in bytes
651          */
652         public function get_length()
653         {
654                 if ($this->length !== null)
655                 {
656                         return $this->length;
657                 }
658                 else
659                 {
660                         return null;
661                 }
662         }
663
664         /**
665          * Get the URL
666          *
667          * @return string|null
668          */
669         public function get_link()
670         {
671                 if ($this->link !== null)
672                 {
673                         return urldecode($this->link);
674                 }
675                 else
676                 {
677                         return null;
678                 }
679         }
680
681         /**
682          * Get the medium
683          *
684          * @link http://www.rssboard.org/media-rss#media-content
685          * @return string|null Should be one of 'image', 'audio', 'video', 'document', 'executable'
686          */
687         public function get_medium()
688         {
689                 if ($this->medium !== null)
690                 {
691                         return $this->medium;
692                 }
693                 else
694                 {
695                         return null;
696                 }
697         }
698
699         /**
700          * Get the player URL
701          *
702          * Typically the same as {@see get_permalink()}
703          * @return string|null Player URL
704          */
705         public function get_player()
706         {
707                 if ($this->player !== null)
708                 {
709                         return $this->player;
710                 }
711                 else
712                 {
713                         return null;
714                 }
715         }
716
717         /**
718          * Get a single rating
719          *
720          * @param int $key
721          * @return SimplePie_Rating|null
722          */
723         public function get_rating($key = 0)
724         {
725                 $ratings = $this->get_ratings();
726                 if (isset($ratings[$key]))
727                 {
728                         return $ratings[$key];
729                 }
730                 else
731                 {
732                         return null;
733                 }
734         }
735
736         /**
737          * Get all ratings
738          *
739          * @return array|null Array of {@see SimplePie_Rating} objects
740          */
741         public function get_ratings()
742         {
743                 if ($this->ratings !== null)
744                 {
745                         return $this->ratings;
746                 }
747                 else
748                 {
749                         return null;
750                 }
751         }
752
753         /**
754          * Get a single restriction
755          *
756          * @param int $key
757          * @return SimplePie_Restriction|null
758          */
759         public function get_restriction($key = 0)
760         {
761                 $restrictions = $this->get_restrictions();
762                 if (isset($restrictions[$key]))
763                 {
764                         return $restrictions[$key];
765                 }
766                 else
767                 {
768                         return null;
769                 }
770         }
771
772         /**
773          * Get all restrictions
774          *
775          * @return array|null Array of {@see SimplePie_Restriction} objects
776          */
777         public function get_restrictions()
778         {
779                 if ($this->restrictions !== null)
780                 {
781                         return $this->restrictions;
782                 }
783                 else
784                 {
785                         return null;
786                 }
787         }
788
789         /**
790          * Get the sampling rate (in kHz)
791          *
792          * @return string|null
793          */
794         public function get_sampling_rate()
795         {
796                 if ($this->samplingrate !== null)
797                 {
798                         return $this->samplingrate;
799                 }
800                 else
801                 {
802                         return null;
803                 }
804         }
805
806         /**
807          * Get the file size (in MiB)
808          *
809          * @return float|null File size in mebibytes (1048 bytes)
810          */
811         public function get_size()
812         {
813                 $length = $this->get_length();
814                 if ($length !== null)
815                 {
816                         return round($length/1048576, 2);
817                 }
818                 else
819                 {
820                         return null;
821                 }
822         }
823
824         /**
825          * Get a single thumbnail
826          *
827          * @param int $key
828          * @return string|null Thumbnail URL
829          */
830         public function get_thumbnail($key = 0)
831         {
832                 $thumbnails = $this->get_thumbnails();
833                 if (isset($thumbnails[$key]))
834                 {
835                         return $thumbnails[$key];
836                 }
837                 else
838                 {
839                         return null;
840                 }
841         }
842
843         /**
844          * Get all thumbnails
845          *
846          * @return array|null Array of thumbnail URLs
847          */
848         public function get_thumbnails()
849         {
850                 if ($this->thumbnails !== null)
851                 {
852                         return $this->thumbnails;
853                 }
854                 else
855                 {
856                         return null;
857                 }
858         }
859
860         /**
861          * Get the title
862          *
863          * @return string|null
864          */
865         public function get_title()
866         {
867                 if ($this->title !== null)
868                 {
869                         return $this->title;
870                 }
871                 else
872                 {
873                         return null;
874                 }
875         }
876
877         /**
878          * Get mimetype of the enclosure
879          *
880          * @see get_real_type()
881          * @return string|null MIME type
882          */
883         public function get_type()
884         {
885                 if ($this->type !== null)
886                 {
887                         return $this->type;
888                 }
889                 else
890                 {
891                         return null;
892                 }
893         }
894
895         /**
896          * Get the width
897          *
898          * @return string|null
899          */
900         public function get_width()
901         {
902                 if ($this->width !== null)
903                 {
904                         return $this->width;
905                 }
906                 else
907                 {
908                         return null;
909                 }
910         }
911
912         /**
913          * Embed the enclosure using `<embed>`
914          *
915          * @deprecated Use the second parameter to {@see embed} instead
916          *
917          * @param array|string $options See first paramter to {@see embed}
918          * @return string HTML string to output
919          */
920         public function native_embed($options='')
921         {
922                 return $this->embed($options, true);
923         }
924
925         /**
926          * Embed the enclosure using Javascript
927          *
928          * `$options` is an array or comma-separated key:value string, with the
929          * following properties:
930          *
931          * - `alt` (string): Alternate content for when an end-user does not have
932          *    the appropriate handler installed or when a file type is
933          *    unsupported. Can be any text or HTML. Defaults to blank.
934          * - `altclass` (string): If a file type is unsupported, the end-user will
935          *    see the alt text (above) linked directly to the content. That link
936          *    will have this value as its class name. Defaults to blank.
937          * - `audio` (string): This is an image that should be used as a
938          *    placeholder for audio files before they're loaded (QuickTime-only).
939          *    Can be any relative or absolute URL. Defaults to blank.
940          * - `bgcolor` (string): The background color for the media, if not
941          *    already transparent. Defaults to `#ffffff`.
942          * - `height` (integer): The height of the embedded media. Accepts any
943          *    numeric pixel value (such as `360`) or `auto`. Defaults to `auto`,
944          *    and it is recommended that you use this default.
945          * - `loop` (boolean): Do you want the media to loop when its done?
946          *    Defaults to `false`.
947          * - `mediaplayer` (string): The location of the included
948          *    `mediaplayer.swf` file. This allows for the playback of Flash Video
949          *    (`.flv`) files, and is the default handler for non-Odeo MP3's.
950          *    Defaults to blank.
951          * - `video` (string): This is an image that should be used as a
952          *    placeholder for video files before they're loaded (QuickTime-only).
953          *    Can be any relative or absolute URL. Defaults to blank.
954          * - `width` (integer): The width of the embedded media. Accepts any
955          *    numeric pixel value (such as `480`) or `auto`. Defaults to `auto`,
956          *    and it is recommended that you use this default.
957          * - `widescreen` (boolean): Is the enclosure widescreen or standard?
958          *    This applies only to video enclosures, and will automatically resize
959          *    the content appropriately.  Defaults to `false`, implying 4:3 mode.
960          *
961          * Note: Non-widescreen (4:3) mode with `width` and `height` set to `auto`
962          * will default to 480x360 video resolution.  Widescreen (16:9) mode with
963          * `width` and `height` set to `auto` will default to 480x270 video resolution.
964          *
965          * @todo If the dimensions for media:content are defined, use them when width/height are set to 'auto'.
966          * @param array|string $options Comma-separated key:value list, or array
967          * @param bool $native Use `<embed>`
968          * @return string HTML string to output
969          */
970         public function embed($options = '', $native = false)
971         {
972                 // Set up defaults
973                 $audio = '';
974                 $video = '';
975                 $alt = '';
976                 $altclass = '';
977                 $loop = 'false';
978                 $width = 'auto';
979                 $height = 'auto';
980                 $bgcolor = '#ffffff';
981                 $mediaplayer = '';
982                 $widescreen = false;
983                 $handler = $this->get_handler();
984                 $type = $this->get_real_type();
985
986                 // Process options and reassign values as necessary
987                 if (is_array($options))
988                 {
989                         extract($options);
990                 }
991                 else
992                 {
993                         $options = explode(',', $options);
994                         foreach($options as $option)
995                         {
996                                 $opt = explode(':', $option, 2);
997                                 if (isset($opt[0], $opt[1]))
998                                 {
999                                         $opt[0] = trim($opt[0]);
1000                                         $opt[1] = trim($opt[1]);
1001                                         switch ($opt[0])
1002                                         {
1003                                                 case 'audio':
1004                                                         $audio = $opt[1];
1005                                                         break;
1006
1007                                                 case 'video':
1008                                                         $video = $opt[1];
1009                                                         break;
1010
1011                                                 case 'alt':
1012                                                         $alt = $opt[1];
1013                                                         break;
1014
1015                                                 case 'altclass':
1016                                                         $altclass = $opt[1];
1017                                                         break;
1018
1019                                                 case 'loop':
1020                                                         $loop = $opt[1];
1021                                                         break;
1022
1023                                                 case 'width':
1024                                                         $width = $opt[1];
1025                                                         break;
1026
1027                                                 case 'height':
1028                                                         $height = $opt[1];
1029                                                         break;
1030
1031                                                 case 'bgcolor':
1032                                                         $bgcolor = $opt[1];
1033                                                         break;
1034
1035                                                 case 'mediaplayer':
1036                                                         $mediaplayer = $opt[1];
1037                                                         break;
1038
1039                                                 case 'widescreen':
1040                                                         $widescreen = $opt[1];
1041                                                         break;
1042                                         }
1043                                 }
1044                         }
1045                 }
1046
1047                 $mime = explode('/', $type, 2);
1048                 $mime = $mime[0];
1049
1050                 // Process values for 'auto'
1051                 if ($width === 'auto')
1052                 {
1053                         if ($mime === 'video')
1054                         {
1055                                 if ($height === 'auto')
1056                                 {
1057                                         $width = 480;
1058                                 }
1059                                 elseif ($widescreen)
1060                                 {
1061                                         $width = round((intval($height)/9)*16);
1062                                 }
1063                                 else
1064                                 {
1065                                         $width = round((intval($height)/3)*4);
1066                                 }
1067                         }
1068                         else
1069                         {
1070                                 $width = '100%';
1071                         }
1072                 }
1073
1074                 if ($height === 'auto')
1075                 {
1076                         if ($mime === 'audio')
1077                         {
1078                                 $height = 0;
1079                         }
1080                         elseif ($mime === 'video')
1081                         {
1082                                 if ($width === 'auto')
1083                                 {
1084                                         if ($widescreen)
1085                                         {
1086                                                 $height = 270;
1087                                         }
1088                                         else
1089                                         {
1090                                                 $height = 360;
1091                                         }
1092                                 }
1093                                 elseif ($widescreen)
1094                                 {
1095                                         $height = round((intval($width)/16)*9);
1096                                 }
1097                                 else
1098                                 {
1099                                         $height = round((intval($width)/4)*3);
1100                                 }
1101                         }
1102                         else
1103                         {
1104                                 $height = 376;
1105                         }
1106                 }
1107                 elseif ($mime === 'audio')
1108                 {
1109                         $height = 0;
1110                 }
1111
1112                 // Set proper placeholder value
1113                 if ($mime === 'audio')
1114                 {
1115                         $placeholder = $audio;
1116                 }
1117                 elseif ($mime === 'video')
1118                 {
1119                         $placeholder = $video;
1120                 }
1121
1122                 $embed = '';
1123
1124                 // Flash
1125                 if ($handler === 'flash')
1126                 {
1127                         if ($native)
1128                         {
1129                                 $embed .= "<embed src=\"" . $this->get_link() . "\" pluginspage=\"http://adobe.com/go/getflashplayer\" type=\"$type\" quality=\"high\" width=\"$width\" height=\"$height\" bgcolor=\"$bgcolor\" loop=\"$loop\"></embed>";
1130                         }
1131                         else
1132                         {
1133                                 $embed .= "<script type='text/javascript'>embed_flash('$bgcolor', '$width', '$height', '" . $this->get_link() . "', '$loop', '$type');</script>";
1134                         }
1135                 }
1136
1137                 // Flash Media Player file types.
1138                 // Preferred handler for MP3 file types.
1139                 elseif ($handler === 'fmedia' || ($handler === 'mp3' && $mediaplayer !== ''))
1140                 {
1141                         $height += 20;
1142                         if ($native)
1143                         {
1144                                 $embed .= "<embed src=\"$mediaplayer\" pluginspage=\"http://adobe.com/go/getflashplayer\" type=\"application/x-shockwave-flash\" quality=\"high\" width=\"$width\" height=\"$height\" wmode=\"transparent\" flashvars=\"file=" . rawurlencode($this->get_link().'?file_extension=.'.$this->get_extension()) . "&autostart=false&repeat=$loop&showdigits=true&showfsbutton=false\"></embed>";
1145                         }
1146                         else
1147                         {
1148                                 $embed .= "<script type='text/javascript'>embed_flv('$width', '$height', '" . rawurlencode($this->get_link().'?file_extension=.'.$this->get_extension()) . "', '$placeholder', '$loop', '$mediaplayer');</script>";
1149                         }
1150                 }
1151
1152                 // QuickTime 7 file types.  Need to test with QuickTime 6.
1153                 // Only handle MP3's if the Flash Media Player is not present.
1154                 elseif ($handler === 'quicktime' || ($handler === 'mp3' && $mediaplayer === ''))
1155                 {
1156                         $height += 16;
1157                         if ($native)
1158                         {
1159                                 if ($placeholder !== '')
1160                                 {
1161                                         $embed .= "<embed type=\"$type\" style=\"cursor:hand; cursor:pointer;\" href=\"" . $this->get_link() . "\" src=\"$placeholder\" width=\"$width\" height=\"$height\" autoplay=\"false\" target=\"myself\" controller=\"false\" loop=\"$loop\" scale=\"aspect\" bgcolor=\"$bgcolor\" pluginspage=\"http://apple.com/quicktime/download/\"></embed>";
1162                                 }
1163                                 else
1164                                 {
1165                                         $embed .= "<embed type=\"$type\" style=\"cursor:hand; cursor:pointer;\" src=\"" . $this->get_link() . "\" width=\"$width\" height=\"$height\" autoplay=\"false\" target=\"myself\" controller=\"true\" loop=\"$loop\" scale=\"aspect\" bgcolor=\"$bgcolor\" pluginspage=\"http://apple.com/quicktime/download/\"></embed>";
1166                                 }
1167                         }
1168                         else
1169                         {
1170                                 $embed .= "<script type='text/javascript'>embed_quicktime('$type', '$bgcolor', '$width', '$height', '" . $this->get_link() . "', '$placeholder', '$loop');</script>";
1171                         }
1172                 }
1173
1174                 // Windows Media
1175                 elseif ($handler === 'wmedia')
1176                 {
1177                         $height += 45;
1178                         if ($native)
1179                         {
1180                                 $embed .= "<embed type=\"application/x-mplayer2\" src=\"" . $this->get_link() . "\" autosize=\"1\" width=\"$width\" height=\"$height\" showcontrols=\"1\" showstatusbar=\"0\" showdisplay=\"0\" autostart=\"0\"></embed>";
1181                         }
1182                         else
1183                         {
1184                                 $embed .= "<script type='text/javascript'>embed_wmedia('$width', '$height', '" . $this->get_link() . "');</script>";
1185                         }
1186                 }
1187
1188                 // Everything else
1189                 else $embed .= '<a href="' . $this->get_link() . '" class="' . $altclass . '">' . $alt . '</a>';
1190
1191                 return $embed;
1192         }
1193
1194         /**
1195          * Get the real media type
1196          *
1197          * Often, feeds lie to us, necessitating a bit of deeper inspection. This
1198          * converts types to their canonical representations based on the file
1199          * extension
1200          *
1201          * @see get_type()
1202          * @param bool $find_handler Internal use only, use {@see get_handler()} instead
1203          * @return string MIME type
1204          */
1205         public function get_real_type($find_handler = false)
1206         {
1207                 // Mime-types by handler.
1208                 $types_flash = array('application/x-shockwave-flash', 'application/futuresplash'); // Flash
1209                 $types_fmedia = array('video/flv', 'video/x-flv','flv-application/octet-stream'); // Flash Media Player
1210                 $types_quicktime = array('audio/3gpp', 'audio/3gpp2', 'audio/aac', 'audio/x-aac', 'audio/aiff', 'audio/x-aiff', 'audio/mid', 'audio/midi', 'audio/x-midi', 'audio/mp4', 'audio/m4a', 'audio/x-m4a', 'audio/wav', 'audio/x-wav', 'video/3gpp', 'video/3gpp2', 'video/m4v', 'video/x-m4v', 'video/mp4', 'video/mpeg', 'video/x-mpeg', 'video/quicktime', 'video/sd-video'); // QuickTime
1211                 $types_wmedia = array('application/asx', 'application/x-mplayer2', 'audio/x-ms-wma', 'audio/x-ms-wax', 'video/x-ms-asf-plugin', 'video/x-ms-asf', 'video/x-ms-wm', 'video/x-ms-wmv', 'video/x-ms-wvx'); // Windows Media
1212                 $types_mp3 = array('audio/mp3', 'audio/x-mp3', 'audio/mpeg', 'audio/x-mpeg'); // MP3
1213
1214                 if ($this->get_type() !== null)
1215                 {
1216                         $type = strtolower($this->type);
1217                 }
1218                 else
1219                 {
1220                         $type = null;
1221                 }
1222
1223                 // If we encounter an unsupported mime-type, check the file extension and guess intelligently.
1224                 if (!in_array($type, array_merge($types_flash, $types_fmedia, $types_quicktime, $types_wmedia, $types_mp3)))
1225                 {
1226                         switch (strtolower($this->get_extension()))
1227                         {
1228                                 // Audio mime-types
1229                                 case 'aac':
1230                                 case 'adts':
1231                                         $type = 'audio/acc';
1232                                         break;
1233
1234                                 case 'aif':
1235                                 case 'aifc':
1236                                 case 'aiff':
1237                                 case 'cdda':
1238                                         $type = 'audio/aiff';
1239                                         break;
1240
1241                                 case 'bwf':
1242                                         $type = 'audio/wav';
1243                                         break;
1244
1245                                 case 'kar':
1246                                 case 'mid':
1247                                 case 'midi':
1248                                 case 'smf':
1249                                         $type = 'audio/midi';
1250                                         break;
1251
1252                                 case 'm4a':
1253                                         $type = 'audio/x-m4a';
1254                                         break;
1255
1256                                 case 'mp3':
1257                                 case 'swa':
1258                                         $type = 'audio/mp3';
1259                                         break;
1260
1261                                 case 'wav':
1262                                         $type = 'audio/wav';
1263                                         break;
1264
1265                                 case 'wax':
1266                                         $type = 'audio/x-ms-wax';
1267                                         break;
1268
1269                                 case 'wma':
1270                                         $type = 'audio/x-ms-wma';
1271                                         break;
1272
1273                                 // Video mime-types
1274                                 case '3gp':
1275                                 case '3gpp':
1276                                         $type = 'video/3gpp';
1277                                         break;
1278
1279                                 case '3g2':
1280                                 case '3gp2':
1281                                         $type = 'video/3gpp2';
1282                                         break;
1283
1284                                 case 'asf':
1285                                         $type = 'video/x-ms-asf';
1286                                         break;
1287
1288                                 case 'flv':
1289                                         $type = 'video/x-flv';
1290                                         break;
1291
1292                                 case 'm1a':
1293                                 case 'm1s':
1294                                 case 'm1v':
1295                                 case 'm15':
1296                                 case 'm75':
1297                                 case 'mp2':
1298                                 case 'mpa':
1299                                 case 'mpeg':
1300                                 case 'mpg':
1301                                 case 'mpm':
1302                                 case 'mpv':
1303                                         $type = 'video/mpeg';
1304                                         break;
1305
1306                                 case 'm4v':
1307                                         $type = 'video/x-m4v';
1308                                         break;
1309
1310                                 case 'mov':
1311                                 case 'qt':
1312                                         $type = 'video/quicktime';
1313                                         break;
1314
1315                                 case 'mp4':
1316                                 case 'mpg4':
1317                                         $type = 'video/mp4';
1318                                         break;
1319
1320                                 case 'sdv':
1321                                         $type = 'video/sd-video';
1322                                         break;
1323
1324                                 case 'wm':
1325                                         $type = 'video/x-ms-wm';
1326                                         break;
1327
1328                                 case 'wmv':
1329                                         $type = 'video/x-ms-wmv';
1330                                         break;
1331
1332                                 case 'wvx':
1333                                         $type = 'video/x-ms-wvx';
1334                                         break;
1335
1336                                 // Flash mime-types
1337                                 case 'spl':
1338                                         $type = 'application/futuresplash';
1339                                         break;
1340
1341                                 case 'swf':
1342                                         $type = 'application/x-shockwave-flash';
1343                                         break;
1344                         }
1345                 }
1346
1347                 if ($find_handler)
1348                 {
1349                         if (in_array($type, $types_flash))
1350                         {
1351                                 return 'flash';
1352                         }
1353                         elseif (in_array($type, $types_fmedia))
1354                         {
1355                                 return 'fmedia';
1356                         }
1357                         elseif (in_array($type, $types_quicktime))
1358                         {
1359                                 return 'quicktime';
1360                         }
1361                         elseif (in_array($type, $types_wmedia))
1362                         {
1363                                 return 'wmedia';
1364                         }
1365                         elseif (in_array($type, $types_mp3))
1366                         {
1367                                 return 'mp3';
1368                         }
1369                         else
1370                         {
1371                                 return null;
1372                         }
1373                 }
1374                 else
1375                 {
1376                         return $type;
1377                 }
1378         }
1379 }
1380