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<?php
/////////////////////////////////////////////////////////////////
/// getID3() by James Heinrich <info@getid3.org> //
// available at https://github.com/JamesHeinrich/getID3 //
// or https://www.getid3.org //
// or http://getid3.sourceforge.net //
// see readme.txt for more details //
/////////////////////////////////////////////////////////////////
// //
// module.audio.bink.php //
// module for analyzing Bink or Smacker audio-video files //
// dependencies: NONE //
// ///
/////////////////////////////////////////////////////////////////
if (!defined('GETID3_INCLUDEPATH')) { // prevent path-exposing attacks that access modules directly on public webservers
exit;
}
class getid3_bink extends getid3_handler
{
/**
* @return bool
*/
public function Analyze() {
$info = &$this->getid3->info;
$this->error('Bink / Smacker files not properly processed by this version of getID3() ['.$this->getid3->version().']');
$this->fseek($info['avdataoffset']);
$fileTypeID = $this->fread(3);
switch ($fileTypeID) {
case 'BIK':
return $this->ParseBink();
case 'SMK':
return $this->ParseSmacker();
default:
$this->error('Expecting "BIK" or "SMK" at offset '.$info['avdataoffset'].', found "'.getid3_lib::PrintHexBytes($fileTypeID).'"');
return false;
}
}
/**
* @return bool
*/
public function ParseBink() {
$info = &$this->getid3->info;
$info['fileformat'] = 'bink';
$info['video']['dataformat'] = 'bink';
$fileData = 'BIK'.$this->fread(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)) {
$this->error('Probably truncated file: expecting '.$info['bink']['data_size'].' bytes, found '.($info['avdataend'] - $info['avdataoffset']));
}
return true;
}
/**
* @return bool
*/
public function ParseSmacker() {
$info = &$this->getid3->info;
$info['fileformat'] = 'smacker';
$info['video']['dataformat'] = 'smacker';
return true;
}
}