1 | <?php |
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2 | // +----------------------------------------------------------------------+ |
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3 | // | PHP version 5 | |
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4 | // +----------------------------------------------------------------------+ |
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5 | // | Copyright (c) 2002-2006 James Heinrich, Allan Hansen | |
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6 | // +----------------------------------------------------------------------+ |
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7 | // | This source file is subject to version 2 of the GPL license, | |
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8 | // | that is bundled with this package in the file license.txt and is | |
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9 | // | available through the world-wide-web at the following url: | |
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10 | // | http://www.gnu.org/copyleft/gpl.html | |
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11 | // +----------------------------------------------------------------------+ |
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12 | // | getID3() - http://getid3.sourceforge.net or http://www.getid3.org | |
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13 | // +----------------------------------------------------------------------+ |
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14 | // | Authors: James Heinrich <infoØgetid3*org> | |
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15 | // | Allan Hansen <ahØartemis*dk> | |
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16 | // +----------------------------------------------------------------------+ |
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17 | // | module.graphic.jpeg.php | |
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18 | // | Module for analyzing JPEG graphic files. | |
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19 | // | dependencies: exif support in PHP (optional) | |
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20 | // +----------------------------------------------------------------------+ |
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21 | // |
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22 | // $Id: module.graphic.jpeg.php 3318 2009-05-20 21:54:10Z vdigital $ |
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23 | |
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24 | |
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25 | |
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26 | class getid3_jpeg extends getid3_handler |
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27 | { |
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28 | |
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29 | public function Analyze() { |
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30 | |
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31 | $getid3 = $this->getid3; |
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32 | |
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33 | $getid3->info['fileformat'] = 'jpg'; |
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34 | $getid3->info['video']['dataformat'] = 'jpg'; |
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35 | $getid3->info['video']['lossless'] = false; |
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36 | $getid3->info['video']['bits_per_sample'] = 24; |
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37 | $getid3->info['video']['pixel_aspect_ratio'] = (float)1; |
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38 | |
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39 | fseek($getid3->fp, $getid3->info['avdataoffset'], SEEK_SET); |
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40 | |
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41 | list($getid3->info['video']['resolution_x'], $getid3->info['video']['resolution_y'], $type) = getimagesize($getid3->filename); |
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42 | |
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43 | if ($type != 2) { |
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44 | throw new getid3_exception('File detected as JPEG, but is currupt.'); |
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45 | } |
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46 | |
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47 | if (function_exists('exif_read_data')) { |
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48 | |
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49 | $getid3->info['jpg']['exif'] = exif_read_data($getid3->filename, '', true, false); |
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50 | |
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51 | } else { |
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52 | |
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53 | $getid3->warning('EXIF parsing only available when compiled with --enable-exif (or php_exif.dll enabled for Windows).'); |
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54 | } |
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55 | |
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56 | return true; |
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57 | } |
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58 | |
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59 | } |
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60 | |
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61 | |
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62 | ?> |
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