| 1 | <?php |
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| 2 | ///////////////////////////////////////////////////////////////// |
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| 3 | /// getID3() by James Heinrich <info@getid3.org> // |
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| 4 | // available at http://getid3.sourceforge.net // |
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| 5 | // or http://www.getid3.org // |
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| 6 | ///////////////////////////////////////////////////////////////// |
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| 7 | // See readme.txt for more details // |
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| 8 | ///////////////////////////////////////////////////////////////// |
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| 9 | // // |
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| 10 | // module.graphic.svg.php // |
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| 11 | // module for analyzing SVG Image files // |
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| 12 | // dependencies: NONE // |
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| 13 | // author: Bryce Harrington <bryceØbryceharrington*org> // |
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| 14 | // /// |
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| 15 | ///////////////////////////////////////////////////////////////// |
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| 16 | |
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| 17 | |
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| 18 | class getid3_svg |
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| 19 | { |
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| 20 | |
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| 21 | |
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| 22 | function getid3_svg(&$fd, &$ThisFileInfo) { |
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| 23 | fseek($fd, $ThisFileInfo['avdataoffset'], SEEK_SET); |
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| 24 | |
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| 25 | // I'm making this up, please modify as appropriate |
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| 26 | $SVGheader = fread($fd, 32); |
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| 27 | $ThisFileInfo['svg']['magic'] = substr($SVGheader, 0, 4); |
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| 28 | if ($ThisFileInfo['svg']['magic'] == 'aBcD') { |
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| 29 | |
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| 30 | $ThisFileInfo['fileformat'] = 'svg'; |
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| 31 | $ThisFileInfo['video']['dataformat'] = 'svg'; |
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| 32 | $ThisFileInfo['video']['lossless'] = true; |
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| 33 | $ThisFileInfo['video']['bits_per_sample'] = 24; |
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| 34 | $ThisFileInfo['video']['pixel_aspect_ratio'] = (float) 1; |
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| 35 | |
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| 36 | $ThisFileInfo['svg']['width'] = getid3_lib::LittleEndian2Int(substr($fileData, 4, 4)); |
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| 37 | $ThisFileInfo['svg']['height'] = getid3_lib::LittleEndian2Int(substr($fileData, 8, 4)); |
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| 38 | |
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| 39 | $ThisFileInfo['video']['resolution_x'] = $ThisFileInfo['svg']['width']; |
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| 40 | $ThisFileInfo['video']['resolution_y'] = $ThisFileInfo['svg']['height']; |
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| 41 | |
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| 42 | return true; |
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| 43 | } |
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| 44 | $ThisFileInfo['error'][] = 'Did not find SVG magic bytes "aBcD" at '.$ThisFileInfo['avdataoffset']; |
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| 45 | unset($ThisFileInfo['fileformat']); |
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| 46 | return false; |
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| 47 | } |
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| 48 | |
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| 49 | } |
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| 50 | |
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| 51 | |
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| 52 | ?> |
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