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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,v 1.4 2006/11/02 10:48:02 ah Exp $
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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 ?> |
