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30 |
1 | <?php |
2 | |
3 | namespace MediaWiki\TimedMediaHandler; |
4 | |
5 | use LogicException; |
6 | use MediaTransformOutput; |
7 | use MediaWiki\Html\Html; |
8 | use MediaWiki\MainConfigNames; |
9 | use MediaWiki\MediaWikiServices; |
10 | use MediaWiki\TimedMediaHandler\Handlers\TextHandler\TextHandler; |
11 | use MediaWiki\TimedMediaHandler\WebVideoTranscode\WebVideoTranscode; |
12 | |
13 | class TimedMediaTransformOutput extends MediaTransformOutput { |
14 | /** @var int */ |
15 | protected static $serial = 0; |
16 | |
17 | // Video file sources object lazy init in getSources() |
18 | // TODO these vars should probably be private |
19 | /** @var array[]|false|null */ |
20 | public $sources; |
21 | |
22 | /** @var string|false|null */ |
23 | public $hashTime; |
24 | |
25 | /** @var TextHandler|null */ |
26 | public $textHandler; |
27 | |
28 | /** @var string|false|null */ |
29 | public $disablecontrols; |
30 | |
31 | /** @var mixed */ |
32 | public $dstPath; |
33 | |
34 | /** @var string|false */ |
35 | public $thumbUrl; |
36 | |
37 | /** @var string|false */ |
38 | public $start; |
39 | |
40 | /** @var string|false */ |
41 | public $end; |
42 | |
43 | /** @var float|false */ |
44 | public $length; |
45 | |
46 | /** @var float|false */ |
47 | public $offset; |
48 | |
49 | /** @var bool */ |
50 | public $isVideo; |
51 | |
52 | /** @var bool */ |
53 | public $fillwindow; |
54 | |
55 | /** @var string|false */ |
56 | protected $playerClass; |
57 | |
58 | /** @var bool */ |
59 | protected $inline; |
60 | |
61 | /** @var bool */ |
62 | protected $muted; |
63 | |
64 | /** @var bool */ |
65 | protected $loop; |
66 | |
67 | // The prefix for player ids |
68 | private const PLAYER_ID_PREFIX = 'mwe_player_'; |
69 | |
70 | /** |
71 | * @param array $conf |
72 | */ |
73 | public function __construct( $conf ) { |
74 | $this->file = $conf['file'] ?? false; |
75 | $this->dstPath = $conf['dstPath'] ?? false; |
76 | $this->sources = $conf['sources'] ?? false; |
77 | $this->thumbUrl = $conf['thumbUrl'] ?? false; |
78 | $this->start = $conf['start'] ?? false; |
79 | $this->end = $conf['end'] ?? false; |
80 | $this->width = $conf['width'] ?? 0; |
81 | $this->height = $conf['height'] ?? 0; |
82 | $this->length = $conf['length'] ?? false; |
83 | $this->offset = $conf['offset'] ?? false; |
84 | $this->isVideo = $conf['isVideo'] ?? false; |
85 | $this->path = $conf['path'] ?? false; |
86 | $this->fillwindow = $conf['fillwindow'] ?? false; |
87 | $this->disablecontrols = $conf['disablecontrols'] ?? false; |
88 | $this->playerClass = $conf['playerClass'] ?? false; |
89 | $this->inline = $conf['inline'] ?? false; |
90 | $this->muted = $conf['muted'] ?? false; |
91 | $this->loop = $conf['loop'] ?? false; |
92 | } |
93 | |
94 | /** |
95 | * @return TextHandler |
96 | */ |
97 | private function getTextHandler() { |
98 | if ( !$this->textHandler ) { |
99 | // Init an associated textHandler |
100 | $this->textHandler = new TextHandler( $this->file, [ TimedTextPage::VTT_SUBTITLE_FORMAT ] ); |
101 | } |
102 | return $this->textHandler; |
103 | } |
104 | |
105 | /** |
106 | * Get the media transform thumbnail |
107 | * @param false|array $sizeOverride |
108 | * @return string |
109 | */ |
110 | public function getUrl( $sizeOverride = false ) { |
111 | $config = MediaWikiServices::getInstance()->getMainConfig(); |
112 | $resourceBasePath = $config->get( MainConfigNames::ResourceBasePath ); |
113 | $url = "$resourceBasePath/resources/assets/file-type-icons/fileicon-ogg.png"; |
114 | |
115 | if ( $this->isVideo ) { |
116 | if ( $this->thumbUrl ) { |
117 | $url = $this->thumbUrl; |
118 | } |
119 | |
120 | // Update the $posterUrl to $sizeOverride ( if not an old file ) |
121 | if ( !$this->file->isOld() && $sizeOverride && |
122 | $sizeOverride[0] && (int)$sizeOverride[0] !== (int)$this->width ) { |
123 | $apiUrl = $this->getPoster( $sizeOverride[0] ); |
124 | if ( $apiUrl ) { |
125 | $url = $apiUrl; |
126 | } |
127 | } |
128 | } |
129 | return $url; |
130 | } |
131 | |
132 | /** |
133 | * TODO get the local path |
134 | * @return mixed |
135 | */ |
136 | public function getPath() { |
137 | return $this->dstPath; |
138 | } |
139 | |
140 | /** |
141 | * @return int |
142 | */ |
143 | public function getPlayerHeight() { |
144 | // Check if "video" tag output: |
145 | if ( $this->isVideo ) { |
146 | return (int)$this->height; |
147 | } |
148 | // Give sound files a height of 23px |
149 | return 23; |
150 | } |
151 | |
152 | /** |
153 | * @return int |
154 | */ |
155 | public function getPlayerWidth() { |
156 | // Check if "video" tag output: |
157 | if ( $this->isVideo ) { |
158 | return (int)$this->width; |
159 | } |
160 | |
161 | // Give sound files a width of 300px ( if unsized ) |
162 | if ( !$this->width ) { |
163 | return 300; |
164 | } |
165 | // else give the target size, but at least 35px |
166 | return max( 35, (int)$this->width ); |
167 | } |
168 | |
169 | /** |
170 | * @return string |
171 | */ |
172 | public function getTagName() { |
173 | return ( $this->isVideo ) ? 'video' : 'audio'; |
174 | } |
175 | |
176 | /** |
177 | * @param array $options |
178 | * @return string |
179 | */ |
180 | public function toHtml( $options = [] ) { |
181 | $classes = $options['img-class'] ?? ''; |
182 | |
183 | $oldHeight = $this->height; |
184 | $oldWidth = $this->width; |
185 | if ( isset( $options['override-height'] ) ) { |
186 | $this->height = $options['override-height']; |
187 | } |
188 | if ( isset( $options['override-width'] ) ) { |
189 | $this->width = $options['override-width']; |
190 | } |
191 | |
192 | $mediaAttr = $this->getMediaAttr( false, false, $classes ); |
193 | |
194 | // XXX: This might be redundant with data-mwtitle |
195 | $services = MediaWikiServices::getInstance(); |
196 | $enableLegacyMediaDOM = $services->getMainConfig()->get( MainConfigNames::ParserEnableLegacyMediaDOM ); |
197 | if ( !$enableLegacyMediaDOM && isset( $options['magnify-resource'] ) ) { |
198 | $mediaAttr['resource'] = $options['magnify-resource']; |
199 | } |
200 | |
201 | $res = $this->getHtmlMediaTagOutput( $mediaAttr ); |
202 | $this->width = $oldWidth; |
203 | $this->height = $oldHeight; |
204 | return $this->linkWrap( [], $res ); |
205 | } |
206 | |
207 | /** |
208 | * Helper to determine if to use pop up dialog for videos |
209 | * |
210 | * @return bool |
211 | */ |
212 | private function useImagePopUp() { |
213 | $config = MediaWikiServices::getInstance()->getMainConfig(); |
214 | // Check if the video is too small to play inline ( instead do a pop-up dialog ) |
215 | // If we're filling the window (e.g. during an iframe embed) one probably doesn't want the pop-up. |
216 | // Also, the pop-up is broken in that case. |
217 | return $this->isVideo |
218 | && !$this->fillwindow |
219 | && $this->getPlayerWidth() < $config->get( 'MinimumVideoPlayerSize' ) |
220 | // Do not do pop-up if it's going to be the same size as inline player anyways |
221 | && $this->getPlayerWidth() < $this->getPopupPlayerWidth(); |
222 | } |
223 | |
224 | /** |
225 | * XXX migrate this to the mediawiki Html class as 'tagSet' helper function |
226 | * @param string $tagName |
227 | * @param array $tagSet |
228 | * @return string |
229 | */ |
230 | private static function htmlTagSet( $tagName, $tagSet ) { |
231 | if ( !$tagSet ) { |
232 | return ''; |
233 | } |
234 | $s = ''; |
235 | foreach ( $tagSet as $attr ) { |
236 | $s .= Html::element( $tagName, $attr ); |
237 | } |
238 | return $s; |
239 | } |
240 | |
241 | /** |
242 | * Get target popup player size |
243 | * @return int[] |
244 | */ |
245 | private function getPopupPlayerSize() { |
246 | // Get the max width from the enabled transcode settings: |
247 | $maxImageSize = WebVideoTranscode::getMaxSizeWebStream(); |
248 | return WebVideoTranscode::getMaxSizeTransform( $this->file, (string)$maxImageSize ); |
249 | } |
250 | |
251 | /** |
252 | * Helper function to get pop up width |
253 | * |
254 | * Silly function because array index operations aren't allowed |
255 | * on function calls before php 5.4 |
256 | * @return int |
257 | */ |
258 | private function getPopupPlayerWidth() { |
259 | [ $popUpWidth ] = $this->getPopupPlayerSize(); |
260 | return $popUpWidth; |
261 | } |
262 | |
263 | /** |
264 | * Sort media by bandwidth, but with things not wide enough at end |
265 | * |
266 | * The list should be in preferred source order, so we want the file |
267 | * with the lowest bitrate (to save bandwidth) first, but we also want |
268 | * appropriate resolution files before the 160p transcodes. |
269 | * @param array $a |
270 | * @param array $b |
271 | * @return int |
272 | */ |
273 | private function sortMediaByBandwidth( $a, $b ) { |
274 | $width = $this->getPlayerWidth(); |
275 | $maxWidth = $this->getPopupPlayerWidth(); |
276 | if ( $this->useImagePopUp() || $width > $maxWidth ) { |
277 | // If it's a pop-up player than we should use the pop-up player size. |
278 | // If it's a normal player, but has a bigger width than the pop-up |
279 | // player, then we use the pop-up players width as the target width |
280 | // as that is equivalent to the max transcode size. Otherwise, this |
281 | // will suggest the original file as the best source, which seems like |
282 | // a potentially bad idea, as it could be anything size wise. |
283 | $width = $maxWidth; |
284 | } |
285 | |
286 | if ( $a['width'] < $width && $b['width'] >= $width ) { |
287 | // $a is not wide enough but $b is, so we |
288 | // consider $a > $b as we want $b before $a |
289 | return 1; |
290 | } |
291 | if ( $a['width'] >= $width && $b['width'] < $width ) { |
292 | // $b not wide enough, so $a must be preferred. |
293 | return -1; |
294 | } |
295 | if ( $a['width'] < $width && $b['width'] < $width && $a['width'] != $b['width'] ) { |
296 | // both are too small. Go with the one closer to the target width |
297 | return ( $a['width'] < $b['width'] ) ? -1 : 1; |
298 | } |
299 | // Both are big enough, or both equally too small. Go with the one |
300 | // that has a lower bit-rate (as it will be faster to download). |
301 | if ( isset( $a['bandwidth'] ) && isset( $b['bandwidth'] ) ) { |
302 | return ( $a['bandwidth'] < $b['bandwidth'] ) ? -1 : 1; |
303 | } |
304 | |
305 | // We have no firm basis for a comparison, so consider them equal. |
306 | return 0; |
307 | } |
308 | |
309 | /** |
310 | * Call mediaWiki xml helper class to build media tag output from |
311 | * supplied arrays. |
312 | * |
313 | * This function is also called by the Score extension, in which case |
314 | * there is no connection to a file object. |
315 | * |
316 | * @param array $mediaAttr The result of calling getMediaAttr() |
317 | * @return string HTML |
318 | */ |
319 | private function getHtmlMediaTagOutput( array $mediaAttr ) { |
320 | // Try to get the first source src attribute ( usually this should be the source file ) |
321 | $mediaSources = $this->getMediaSources(); |
322 | // do not rely on auto-resetting of arrays under HHVM |
323 | reset( $mediaSources ); |
324 | $firstSource = current( $mediaSources ); |
325 | |
326 | if ( $firstSource === false || !$firstSource['src'] ) { |
327 | // XXX media handlers don't seem to work with exceptions.. |
328 | return 'Error missing media source'; |
329 | } |
330 | |
331 | // Sort sources by bandwidth least to greatest (so that the default selection on resource |
332 | // constrained browsers (without js?) go with minimal source.) |
333 | usort( $mediaSources, [ $this, 'sortMediaByBandwidth' ] ); |
334 | |
335 | // We prefix some source attributes with data- to pass along to the javascript player |
336 | $prefixedSourceAttr = [ |
337 | 'width', |
338 | 'height', |
339 | 'transcodekey', |
340 | ]; |
341 | $removeSourceAttr = [ |
342 | 'bandwidth', |
343 | 'framerate', |
344 | 'disablecontrols', |
345 | 'title', |
346 | 'shorttitle', |
347 | 'label', |
348 | 'res', |
349 | ]; |
350 | foreach ( $mediaSources as &$source ) { |
351 | foreach ( $source as $attr => $val ) { |
352 | if ( in_array( $attr, $removeSourceAttr, true ) ) { |
353 | unset( $source[ $attr ] ); |
354 | } |
355 | if ( in_array( $attr, $prefixedSourceAttr, true ) ) { |
356 | $source[ 'data-' . $attr ] = $val; |
357 | unset( $source[ $attr ] ); |
358 | } |
359 | } |
360 | } |
361 | unset( $source ); |
362 | $mediaTracks = $this->file ? $this->getTextHandler()->getTracks() : []; |
363 | foreach ( $mediaTracks as &$track ) { |
364 | foreach ( $track as $attr => $val ) { |
365 | if ( $attr === 'title' || $attr === 'provider' ) { |
366 | $track[ 'data-mw' . $attr ] = $val; |
367 | unset( $track[ $attr ] ); |
368 | } elseif ( $attr === 'dir' ) { |
369 | $track[ 'data-' . $attr ] = $val; |
370 | unset( $track[ $attr ] ); |
371 | } |
372 | } |
373 | } |
374 | unset( $track ); |
375 | |
376 | // Build the video tag output: |
377 | return Html::rawElement( $this->getTagName(), $mediaAttr, |
378 | // The set of media sources: |
379 | self::htmlTagSet( 'source', $mediaSources ) . |
380 | |
381 | // Timed text: |
382 | self::htmlTagSet( 'track', $mediaTracks ) |
383 | ); |
384 | } |
385 | |
386 | /** |
387 | * Get poster. |
388 | * @param int $width width of poster. Should not equal $this->width. |
389 | * @return string|false url for poster or false |
390 | */ |
391 | private function getPoster( $width ) { |
392 | if ( (int)$width === (int)$this->width ) { |
393 | // Prevent potential loop |
394 | throw new LogicException( "Asked for poster in current size. Potential loop." ); |
395 | } |
396 | $params = [ "width" => (int)$width ]; |
397 | $mto = $this->file->transform( $params ); |
398 | if ( $mto ) { |
399 | return $mto->getUrl(); |
400 | } |
401 | |
402 | return false; |
403 | } |
404 | |
405 | /** |
406 | * Get the media attributes |
407 | * @param array|false $sizeOverride Array of width and height |
408 | * @param bool $autoPlay |
409 | * @param string $classes |
410 | * @return array |
411 | */ |
412 | private function getMediaAttr( |
413 | $sizeOverride = false, $autoPlay = false, string $classes = '' |
414 | ): array { |
415 | // Make sure we have pure floats values and round them up to whole seconds |
416 | $length = ceil( (float)$this->length ); |
417 | |
418 | $width = $sizeOverride ? $sizeOverride[0] : $this->getPlayerWidth(); |
419 | $height = $sizeOverride ? $sizeOverride[1] : $this->getPlayerHeight(); |
420 | |
421 | $id = self::$serial; |
422 | self::$serial++; |
423 | $mediaAttr = [ |
424 | 'id' => self::PLAYER_ID_PREFIX . $id, |
425 | // Get the correct size: |
426 | 'poster' => $this->getUrl( $sizeOverride ), |
427 | |
428 | // Note we set controls to true ( for no-js players ) |
429 | // When ext.tmh.player.element.js runs it replaces the native player controls |
430 | 'controls' => 'true', |
431 | |
432 | // Since we will reload the item with javascript, |
433 | // tell browser to not load the video before |
434 | 'preload' => 'none', |
435 | ]; |
436 | |
437 | if ( $autoPlay === true ) { |
438 | $mediaAttr['autoplay'] = 'true'; |
439 | } |
440 | |
441 | if ( !$this->isVideo ) { |
442 | // audio element doesn't have poster attribute |
443 | unset( $mediaAttr[ 'poster' ] ); |
444 | } |
445 | |
446 | if ( $this->muted ) { |
447 | $mediaAttr['muted'] = 'true'; |
448 | } |
449 | |
450 | if ( $this->loop ) { |
451 | $mediaAttr['loop'] = 'true'; |
452 | } |
453 | |
454 | // Note: do not add 'video-js' class before the runtime transform! |
455 | $mediaAttr['class'] = ''; |
456 | $mediaAttr['width'] = (int)$width; |
457 | if ( $this->isVideo ) { |
458 | $mediaAttr['height'] = (int)$height; |
459 | } else { |
460 | $mediaAttr['style'] = "width:{$width}px;"; |
461 | unset( $mediaAttr['height'] ); |
462 | } |
463 | if ( $this->fillwindow ) { |
464 | $mediaAttr[ 'data-player' ] = 'fillwindow'; |
465 | } |
466 | if ( $this->inline ) { |
467 | $mediaAttr['class'] .= ' mw-tmh-inline'; |
468 | $mediaAttr['playsinline'] = ''; |
469 | $mediaAttr['preload'] = 'auto'; |
470 | } |
471 | |
472 | // Used by Score extension and to disable specific controls from wikicode |
473 | if ( $this->disablecontrols ) { |
474 | $mediaAttr[ 'data-disablecontrols' ] = $this->disablecontrols; |
475 | } |
476 | |
477 | // Additional class-name provided by Transform caller |
478 | if ( $this->playerClass ) { |
479 | $mediaAttr[ 'class' ] .= ' ' . $this->playerClass; |
480 | } |
481 | |
482 | if ( $classes !== '' ) { |
483 | $mediaAttr[ 'class' ] .= ' ' . $classes; |
484 | } |
485 | |
486 | if ( $length ) { |
487 | $mediaAttr[ 'data-durationhint' ] = $length; |
488 | } |
489 | |
490 | if ( $this->file ) { |
491 | // Add api provider: |
492 | if ( $this->file->isLocal() ) { |
493 | $apiProviderName = 'local'; |
494 | } else { |
495 | // Set the api provider name to "wikimediacommons" for shared ( instant commons convention ) |
496 | // (provider names should have identified the provider instead of the provider type "shared") |
497 | $apiProviderName = $this->file->getRepoName(); |
498 | if ( $apiProviderName === 'shared' ) { |
499 | $apiProviderName = 'wikimediacommons'; |
500 | } |
501 | } |
502 | // Custom data-attributes |
503 | $mediaAttr += [ |
504 | 'data-mwtitle' => $this->file->getTitle()->getDBkey(), |
505 | // XXX Note: will probably migrate mwprovider to an escaped api url. |
506 | 'data-mwprovider' => $apiProviderName, |
507 | ]; |
508 | } |
509 | |
510 | return $mediaAttr; |
511 | } |
512 | |
513 | /** |
514 | * @return array |
515 | */ |
516 | private function getMediaSources() { |
517 | if ( !$this->sources ) { |
518 | // Generate transcode jobs ( and get sources that are already transcoded) |
519 | // At a minimum this should return the source video file. |
520 | $this->sources = WebVideoTranscode::getSources( $this->file ); |
521 | // Check if we have "start or end" times and append the temporal url fragment hash |
522 | foreach ( $this->sources as &$source ) { |
523 | $source['src'] .= $this->getTemporalUrlHash(); |
524 | } |
525 | } |
526 | return $this->sources; |
527 | } |
528 | |
529 | /** |
530 | * @return string |
531 | */ |
532 | private function getTemporalUrlHash() { |
533 | if ( $this->hashTime ) { |
534 | return $this->hashTime; |
535 | } |
536 | $hash = ''; |
537 | if ( $this->start ) { |
538 | $startSec = TimedMediaHandler::parseTimeString( $this->start ); |
539 | if ( $startSec !== false ) { |
540 | $hash .= '#t=' . TimedMediaHandler::seconds2npt( $startSec ); |
541 | } |
542 | } |
543 | if ( $this->end ) { |
544 | if ( $hash === '' ) { |
545 | $hash .= '#t=0'; |
546 | } |
547 | $endSec = TimedMediaHandler::parseTimeString( $this->end ); |
548 | if ( $endSec !== false ) { |
549 | $hash .= ',' . TimedMediaHandler::seconds2npt( $endSec ); |
550 | } |
551 | } |
552 | $this->hashTime = $hash; |
553 | return $this->hashTime; |
554 | } |
555 | |
556 | public static function resetSerialForTest() { |
557 | self::$serial = 1; |
558 | } |
559 | |
560 | /** |
561 | * @param array|null $options An optional array of strings to tweak |
562 | * the values returned. Currently valid keys are `"fullurl"`, which |
563 | * calls `wfExpandUrl(..., PROTO_CURRENT)` on all URLs returned, and |
564 | * `"withhash"`, which ensures that returned URLs have the temporal |
565 | * url hash appended (as `getMediaSources()` does). |
566 | * @return array |
567 | */ |
568 | public function getAPIData( ?array $options = null ) { |
569 | $options ??= [ 'fullurl' ]; |
570 | |
571 | $timedtext = $this->getTextHandler()->getTracks(); |
572 | if ( in_array( 'fullurl', $options, true ) ) { |
573 | foreach ( $timedtext as &$track ) { |
574 | $track['src'] = wfExpandUrl( $track['src'], PROTO_CURRENT ); |
575 | } |
576 | unset( $track ); |
577 | } |
578 | |
579 | $derivatives = WebVideoTranscode::getSources( $this->file, $options ); |
580 | if ( in_array( 'withhash', $options, true ) ) { |
581 | // Check if we have "start or end" times and append the temporal url fragment hash |
582 | foreach ( $derivatives as &$source ) { |
583 | $source['src'] .= $this->getTemporalUrlHash(); |
584 | } |
585 | unset( $source ); |
586 | } |
587 | |
588 | return [ |
589 | 'derivatives' => $derivatives, |
590 | 'timedtext' => $timedtext, |
591 | ]; |
592 | } |
593 | } |