47 lines
1.2 KiB
PHP
47 lines
1.2 KiB
PHP
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<?php
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namespace App\Media\QuickTime\Atoms\moov;
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use Illuminate\Support\Arr;
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use App\Media\QuickTime\Atoms\moov\meta\{ilst,keys};
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use App\Media\QuickTime\Atoms\{SubAtom,Unknown};
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class meta extends SubAtom
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{
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private const subatom_classes = 'App\\Media\\QuickTime\\Atoms\\moov\\meta\\';
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public function __construct(int $offset,int $size,string $filename,?string $data)
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{
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parent::__construct($offset,$size,$filename);
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$this->atoms = $this->get_atoms(self::subatom_classes,Unknown::class,$offset,$size,$data);
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$keys = $this->find_atoms(keys::class,1);
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$values = $this->find_atoms(ilst::class,1);
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$this->cache = $keys->cache->combine($values->cache);
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}
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public function __get(string $key): mixed
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{
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switch ($key) {
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case 'gps':
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$m = [];
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$gps = Arr::get($this->cache,'mdta.com.apple.quicktime.location.ISO6709');
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preg_match('/^([+-][0-9]{2,6}(?:\.[0-9]+)?)([+-][0-9]{3,7}(?:\.[0-9]+)?)([+-][0-9]+(?:\.[0-9]+)?)?/',$gps,$m);
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return ['lat'=>(float)$m[1],'lon'=>(float)$m[2],'alt'=>(float)$m[3]];
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case 'gps_altitude':
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return Arr::get($this->gps,'alt');
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case 'gps_lat':
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return Arr::get($this->gps,'lat');
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case 'gps_lon':
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return Arr::get($this->gps,'lon');
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default:
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return parent::__get($key);
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}
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}
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}
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