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Completed
Push — master ( de1ea3...c23e92 )
by Sebastian
17s queued 15s
created

AudioVideoMD::extractMetadata()   A

↳ Parent: AudioVideoMD

Complexity

Conditions 5
Paths 4

Size

Total Lines 14
Code Lines 7

Duplication

Lines 0
Ratio 0 %

Importance

Changes 1
Bugs 0 Features 0
Metric Value
cc 5
eloc 7
c 1
b 0
f 0
nc 4
nop 2
dl 0
loc 14
rs 9.6111
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<?php
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/**

            


            
                                                                                                            
                            
            
                                    
            
            

                
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 * (c) Kitodo. Key to digital objects e.V. <[email protected]>

            


            
                                                                                                            
                            
            
                                    
            
            

                
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 *

            


            
                                                                                                            
                            
            
                                    
            
            

                
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 * This file is part of the Kitodo and TYPO3 projects.

            


            
                                                                                                            
                            
            
                                    
            
            

                
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 *

            


            
                                                                                                            
                            
            
                                    
            
            

                
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 * @license GNU General Public License version 3 or later.

            


            
                                                                                                            
                            
            
                                    
            
            

                
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 * For the full copyright and license information, please read the

            


            
                                                                                                            
                            
            
                                    
            
            

                
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 * LICENSE.txt file that was distributed with this source code.

            


            
                                                                                                            
                            
            
                                    
            
            

                
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 */

            


            
                                                                                                            
                            
            
                                    
            
            

                
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namespace Kitodo\Dlf\Format;

            


            
                                                                                                            
                            
            
                                    
            
            

                
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/**

            


            
                                                                                                            
                            
            
                                    
            
            

                
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 * Process AudioMD and VideoMD metadata.

            


            
                                                                                                            
                            
            
                                    
            
            

                
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 *

            


            
                                                                                                            
                            
            
                                    
            
            

                
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 * The technical reason for handling both formats here is that this makes it slightly more

            


            
                                                                                                            
                            
            
                                    
            
            

                
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 * straightforward to extract `duration` as either video duration or audio duration.

            


            
                                                                                                            
                            
            
                                    
            
            

                
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 *

            


            
                                                                                                            
                            
            
                                    
            
            

                
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 * @author Kajetan Dvoracek <[email protected]>

            


            
                                                                                                            
                            
            
                                    
            
            

                
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 * @package TYPO3

            


            
                                                                                                            
                            
            
                                    
            
            

                
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 * @subpackage dlf

            


            
                                                                                                            
                            
            
                                    
            
            

                
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 * @access public

            


            
                                                                                                            
                            
            
                                    
            
            

                
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 */

            


            
                                                                                                            
                            
            
                                    
            
            

                
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class AudioVideoMD implements \Kitodo\Dlf\Common\MetadataInterface

            


            
                                                                                                            
                            
            
                                    
            
            

                
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{

            


            
                                                                                                            
                            
            
                                    
            
            

                
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    /**

            


            
                                                                                                            
                            
            
                                    
            
            

                
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     * Extract some essential AudioMD/VideoMD metadata.

            


            
                                                                                                            
                            
            
                                    
            
            

                
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     *

            


            
                                                                                                            
                            
            
                                    
            
            

                
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     * @access public

            


            
                                                                                                            
                            
            
                                    
            
            

                
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     *

            


            
                                                                                                            
                            
            
                                    
            
            

                
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     * @param \SimpleXMLElement $xml: The XML to extract the metadata from

            


            
                                                                                                            
                            
            
                                    
            
            

                
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     * @param array &$metadata: The metadata array to fill

            


            
                                                                                                            
                            
            
                                    
            
            

                
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     *

            


            
                                                                                                            
                            
            
                                    
            
            

                
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     * @return void

            


            
                                                                                                            
                                                                
            
                                    
            
            

                
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     */

            


            
                                                                        
                            
            
                                    
            
            

                
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    public function extractMetadata(\SimpleXMLElement $xml, array &$metadata)

            


            
                                                                        
                            
            
                                    
            
            

                
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    {

            


            
                                                                        
                            
            
                                    
            
            

                
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        $xml->registerXPathNamespace('audiomd', 'http://www.loc.gov/audioMD/');

            


            
                                                                        
                            
            
                                    
            
            

                
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        $xml->registerXPathNamespace('videomd', 'http://www.loc.gov/videoMD/');

            


            
                                                                        
                            
            
                                    
            
            

                
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        if (!empty($audioDuration = (string) $xml->xpath('./audiomd:audioInfo/audiomd:duration')[0])) {

            


            
                                                                        
                            
            
                                    
            
            

                
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            $metadata['audio_duration'] = [$audioDuration];

            


            
                                                                        
                            
            
                                    
            
            

                
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        }

            


            
                                                                        
                            
            
                                    
            
            

                
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        if (!empty($videoDuration = (string) $xml->xpath('./videomd:videoInfo/videomd:duration')[0])) {

            


            
                                                                        
                            
            
                                    
            
            

                
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            $metadata['video_duration'] = [$videoDuration];

            


            
                                                                        
                            
            
                                    
            
            

                
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        }

            


            
                                                                        
                            
            
                                    
            
            

                
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        $metadata['duration'] = $metadata['video_duration'] ?: $metadata['audio_duration'] ?: [];

            


            
                                                                                                            
                            
            
                                    
            
            

                
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    }

            


            
                                                                                                            
                                                                
            
                                    
            
            

                
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}

            


            
                                                        
            
                                    
            
            

                
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