ecommun / owncloud_ynh

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sources/3rdparty/getid3/module.audio-video.bink.php 2.31 KB
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  <?php
  /////////////////////////////////////////////////////////////////
  /// getID3() by James Heinrich <info@getid3.org>               //
  //  available at http://getid3.sourceforge.net                 //
  //            or http://www.getid3.org                         //
  /////////////////////////////////////////////////////////////////
  // See readme.txt for more details                             //
  /////////////////////////////////////////////////////////////////
  //                                                             //
  // module.audio.bink.php                                       //
  // module for analyzing Bink or Smacker audio-video files      //
  // dependencies: NONE                                          //
  //                                                            ///
  /////////////////////////////////////////////////////////////////
  
  
  class getid3_bink extends getid3_handler
  {
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  	public function Analyze() {
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  		$info = &$this->getid3->info;
  
  $info['error'][] = 'Bink / Smacker files not properly processed by this version of getID3() ['.$this->getid3->version().']';
  
  		fseek($this->getid3->fp, $info['avdataoffset'], SEEK_SET);
  		$fileTypeID = fread($this->getid3->fp, 3);
  		switch ($fileTypeID) {
  			case 'BIK':
  				return $this->ParseBink();
  				break;
  
  			case 'SMK':
  				return $this->ParseSmacker();
  				break;
  
  			default:
  				$info['error'][] = 'Expecting "BIK" or "SMK" at offset '.$info['avdataoffset'].', found "'.getid3_lib::PrintHexBytes($fileTypeID).'"';
  				return false;
  				break;
  		}
  
  		return true;
  
  	}
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  	public function ParseBink() {
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  		$info = &$this->getid3->info;
  		$info['fileformat']          = 'bink';
  		$info['video']['dataformat'] = 'bink';
  
  		$fileData = 'BIK'.fread($this->getid3->fp, 13);
  
  		$info['bink']['data_size']   = getid3_lib::LittleEndian2Int(substr($fileData, 4, 4));
  		$info['bink']['frame_count'] = getid3_lib::LittleEndian2Int(substr($fileData, 8, 2));
  
  		if (($info['avdataend'] - $info['avdataoffset']) != ($info['bink']['data_size'] + 8)) {
  			$info['error'][] = 'Probably truncated file: expecting '.$info['bink']['data_size'].' bytes, found '.($info['avdataend'] - $info['avdataoffset']);
  		}
  
  		return true;
  	}
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  	public function ParseSmacker() {
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  		$info = &$this->getid3->info;
  		$info['fileformat']          = 'smacker';
  		$info['video']['dataformat'] = 'smacker';
  
  		return true;
  	}
  
  }