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| 1 | <?php |
| 2 | |
| 3 | namespace MediaWiki\TimedMediaHandler\Handlers\MPEGHandler; |
| 4 | |
| 5 | use File; |
| 6 | use MediaWiki\TimedMediaHandler\Handlers\ID3Handler\ID3Handler; |
| 7 | |
| 8 | /** |
| 9 | * MPEG 1/2 video handler |
| 10 | */ |
| 11 | class MPEGHandler extends ID3Handler { |
| 12 | |
| 13 | /** |
| 14 | * @param File $image |
| 15 | * @return string |
| 16 | */ |
| 17 | public function getMetadataType( $image ) { |
| 18 | return 'mpeg'; |
| 19 | } |
| 20 | |
| 21 | /** |
| 22 | * @param File $file |
| 23 | * @return string |
| 24 | */ |
| 25 | public function getWebType( $file ) { |
| 26 | return 'video/mpeg'; |
| 27 | } |
| 28 | |
| 29 | /** |
| 30 | * @param File $file |
| 31 | * @return string[]|false |
| 32 | */ |
| 33 | public function getStreamTypes( $file ) { |
| 34 | $streamTypes = []; |
| 35 | $metadata = $this->unpackMetadata( $file->getMetadata() ); |
| 36 | if ( !$metadata || isset( $metadata['error'] ) ) { |
| 37 | return false; |
| 38 | } |
| 39 | if ( isset( $metadata['audio']['dataformat'] ) ) { |
| 40 | if ( $metadata['audio']['dataformat'] === 'mp2' ) { |
| 41 | $streamTypes[] = 'MPEG-2'; |
| 42 | } else { |
| 43 | $streamTypes[] = $metadata['audio']['dataformat']; |
| 44 | } |
| 45 | } |
| 46 | if ( isset( $metadata['video']['codec'] ) ) { |
| 47 | $streamTypes[] = $metadata['video']['codec']; |
| 48 | } |
| 49 | |
| 50 | return $streamTypes; |
| 51 | } |
| 52 | |
| 53 | /** |
| 54 | * Get the "media size" |
| 55 | * @param File $file |
| 56 | * @param string $path |
| 57 | * @param string|false $metadata |
| 58 | * @return array|false |
| 59 | */ |
| 60 | public function getImageSize( $file, $path, $metadata = false ) { |
| 61 | // Just return the size of the first video stream |
| 62 | if ( $metadata === false ) { |
| 63 | $metadata = $file->getMetadata(); |
| 64 | } |
| 65 | $metadata = $this->unpackMetadata( $metadata ); |
| 66 | if ( isset( $metadata['error'] ) ) { |
| 67 | return false; |
| 68 | } |
| 69 | if ( |
| 70 | isset( $metadata['video']['resolution_x'] ) && |
| 71 | isset( $metadata['video']['resolution_y'] ) && |
| 72 | isset( $metadata['video']['pixel_aspect_ratio'] ) |
| 73 | ) { |
| 74 | $width = $metadata['video']['resolution_x']; |
| 75 | $height = $metadata['video']['resolution_y']; |
| 76 | $aspect = $metadata['video']['pixel_aspect_ratio']; |
| 77 | $width = (int)( $width * $aspect ); |
| 78 | return [ |
| 79 | $width, |
| 80 | $height |
| 81 | ]; |
| 82 | } |
| 83 | return [ false, false ]; |
| 84 | } |
| 85 | |
| 86 | /** |
| 87 | * @param File $file |
| 88 | * @return string |
| 89 | */ |
| 90 | public function getShortDesc( $file ) { |
| 91 | $streamTypes = $this->getStreamTypes( $file ); |
| 92 | if ( !$streamTypes ) { |
| 93 | return parent::getShortDesc( $file ); |
| 94 | } |
| 95 | return wfMessage( 'timedmedia-mpeg-short-video', implode( '/', $streamTypes ) |
| 96 | )->timeperiodParams( |
| 97 | $this->getLength( $file ) |
| 98 | )->text(); |
| 99 | } |
| 100 | |
| 101 | /** |
| 102 | * @param File $file |
| 103 | * @return string |
| 104 | */ |
| 105 | public function getLongDesc( $file ) { |
| 106 | $streamTypes = $this->getStreamTypes( $file ); |
| 107 | if ( !$streamTypes ) { |
| 108 | return parent::getLongDesc( $file ); |
| 109 | } |
| 110 | return wfMessage( |
| 111 | 'timedmedia-mpeg-long-video', |
| 112 | implode( '/', $streamTypes ) |
| 113 | )->timeperiodParams( |
| 114 | $this->getLength( $file ) |
| 115 | )->bitrateParams( |
| 116 | $this->getBitRate( $file ) |
| 117 | )->numParams( |
| 118 | $file->getWidth(), |
| 119 | $file->getHeight() |
| 120 | )->sizeParams( |
| 121 | $file->getSize() |
| 122 | )->text(); |
| 123 | } |
| 124 | |
| 125 | } |