52 lines
2.0 KiB
PHP
52 lines
2.0 KiB
PHP
<?php
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/////////////////////////////////////////////////////////////////
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/// getID3() by James Heinrich <info@getid3.org> //
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// available at http://getid3.sourceforge.net //
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// or http://www.getid3.org //
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/////////////////////////////////////////////////////////////////
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// See readme.txt for more details //
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/////////////////////////////////////////////////////////////////
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// //
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// module.graphic.svg.php //
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// module for analyzing SVG Image files //
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// dependencies: NONE //
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// author: Bryce Harrington <bryceØbryceharrington*org> //
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// ///
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/////////////////////////////////////////////////////////////////
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class getid3_svg
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{
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function getid3_svg(&$fd, &$ThisFileInfo) {
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fseek($fd, $ThisFileInfo['avdataoffset'], SEEK_SET);
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// I'm making this up, please modify as appropriate
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$SVGheader = fread($fd, 32);
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$ThisFileInfo['svg']['magic'] = substr($SVGheader, 0, 4);
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if ($ThisFileInfo['svg']['magic'] == 'aBcD') {
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$ThisFileInfo['fileformat'] = 'svg';
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$ThisFileInfo['video']['dataformat'] = 'svg';
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$ThisFileInfo['video']['lossless'] = true;
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$ThisFileInfo['video']['bits_per_sample'] = 24;
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$ThisFileInfo['video']['pixel_aspect_ratio'] = (float) 1;
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$ThisFileInfo['svg']['width'] = getid3_lib::LittleEndian2Int(substr($fileData, 4, 4));
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$ThisFileInfo['svg']['height'] = getid3_lib::LittleEndian2Int(substr($fileData, 8, 4));
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$ThisFileInfo['video']['resolution_x'] = $ThisFileInfo['svg']['width'];
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$ThisFileInfo['video']['resolution_y'] = $ThisFileInfo['svg']['height'];
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return true;
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}
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$ThisFileInfo['error'][] = 'Did not find SVG magic bytes "aBcD" at '.$ThisFileInfo['avdataoffset'];
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unset($ThisFileInfo['fileformat']);
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return false;
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}
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}
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?>
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