nextcloud/apps/media/getID3/getid3/module.graphic.jpg.php

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2011-07-22 08:30:52 +04:00
<?php
/////////////////////////////////////////////////////////////////
/// getID3() by James Heinrich <info@getid3.org> //
// available at http://getid3.sourceforge.net //
// or http://www.getid3.org //
/////////////////////////////////////////////////////////////////
// See readme.txt for more details //
/////////////////////////////////////////////////////////////////
// //
// module.graphic.jpg.php //
// module for analyzing JPEG Image files //
// dependencies: NONE //
// ///
/////////////////////////////////////////////////////////////////
class getid3_jpg
{
function getid3_jpg(&$fd, &$ThisFileInfo) {
$ThisFileInfo['fileformat'] = 'jpg';
$ThisFileInfo['video']['dataformat'] = 'jpg';
$ThisFileInfo['video']['lossless'] = false;
$ThisFileInfo['video']['bits_per_sample'] = 24;
$ThisFileInfo['video']['pixel_aspect_ratio'] = (float) 1;
fseek($fd, $ThisFileInfo['avdataoffset'], SEEK_SET);
$imageinfo = array();
list($width, $height, $type) = getid3_lib::GetDataImageSize(fread($fd, $ThisFileInfo['filesize']), $imageinfo);
if (isset($imageinfo['APP13'])) {
// http://php.net/iptcparse
// http://www.sno.phy.queensu.ca/~phil/exiftool/TagNames/IPTC.html
$iptc_parsed = iptcparse($imageinfo['APP13']);
if (is_array($iptc_parsed)) {
foreach ($iptc_parsed as $iptc_key_raw => $iptc_values) {
list($iptc_record, $iptc_tagkey) = explode('#', $iptc_key_raw);
$iptc_tagkey = intval(ltrim($iptc_tagkey, '0'));
foreach ($iptc_values as $key => $value) {
@$ThisFileInfo['iptc'][$this->IPTCrecordName($iptc_record)][$this->IPTCrecordTagName($iptc_record, $iptc_tagkey)][] = $value;
}
}
}
//echo '<pre>'.htmlentities(print_r($iptc_parsed, true)).'</pre>';
}
switch ($type) {
case 2: // JPEG
$ThisFileInfo['video']['resolution_x'] = $width;
$ThisFileInfo['video']['resolution_y'] = $height;
if (version_compare(phpversion(), '4.2.0', '>=')) {
if (function_exists('exif_read_data')) {
ob_start();
$ThisFileInfo['jpg']['exif'] = exif_read_data($ThisFileInfo['filenamepath'], '', true, false);
$errors = ob_get_contents();
if ($errors) {
$ThisFileInfo['warning'][] = strip_tags($errors);
unset($ThisFileInfo['jpg']['exif']);
}
@ob_end_clean();
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} else {
$ThisFileInfo['warning'][] = 'EXIF parsing only available when '.(GETID3_OS_ISWINDOWS ? 'php_exif.dll enabled' : 'compiled with --enable-exif');
}
} else {
$ThisFileInfo['warning'][] = 'EXIF parsing only available in PHP v4.2.0 and higher compiled with --enable-exif (or php_exif.dll enabled for Windows). You are using PHP v'.phpversion();
}
return true;
break;
default:
break;
}
unset($ThisFileInfo['fileformat']);
return false;
}
function IPTCrecordName($iptc_record) {
// http://www.sno.phy.queensu.ca/~phil/exiftool/TagNames/IPTC.html
static $IPTCrecordName = array();
if (empty($IPTCrecordName)) {
$IPTCrecordName = array(
1 => 'IPTCEnvelope',
2 => 'IPTCApplication',
3 => 'IPTCNewsPhoto',
7 => 'IPTCPreObjectData',
8 => 'IPTCObjectData',
9 => 'IPTCPostObjectData',
);
}
return (isset($IPTCrecordName[$iptc_record]) ? $IPTCrecordName[$iptc_record] : '');
}
function IPTCrecordTagName($iptc_record, $iptc_tagkey) {
// http://www.sno.phy.queensu.ca/~phil/exiftool/TagNames/IPTC.html
static $IPTCrecordTagName = array();
if (empty($IPTCrecordTagName)) {
$IPTCrecordTagName = array(
1 => array( // IPTC EnvelopeRecord Tags
0 => 'EnvelopeRecordVersion',
5 => 'Destination',
20 => 'FileFormat',
22 => 'FileVersion',
30 => 'ServiceIdentifier',
40 => 'EnvelopeNumber',
50 => 'ProductID',
60 => 'EnvelopePriority',
70 => 'DateSent',
80 => 'TimeSent',
90 => 'CodedCharacterSet',
100 => 'UniqueObjectName',
120 => 'ARMIdentifier',
122 => 'ARMVersion',
),
2 => array( // IPTC ApplicationRecord Tags
0 => 'ApplicationRecordVersion',
3 => 'ObjectTypeReference',
4 => 'ObjectAttributeReference',
5 => 'ObjectName',
7 => 'EditStatus',
8 => 'EditorialUpdate',
10 => 'Urgency',
12 => 'SubjectReference',
15 => 'Category',
20 => 'SupplementalCategories',
22 => 'FixtureIdentifier',
25 => 'Keywords',
26 => 'ContentLocationCode',
27 => 'ContentLocationName',
30 => 'ReleaseDate',
35 => 'ReleaseTime',
37 => 'ExpirationDate',
38 => 'ExpirationTime',
40 => 'SpecialInstructions',
42 => 'ActionAdvised',
45 => 'ReferenceService',
47 => 'ReferenceDate',
50 => 'ReferenceNumber',
55 => 'DateCreated',
60 => 'TimeCreated',
62 => 'DigitalCreationDate',
63 => 'DigitalCreationTime',
65 => 'OriginatingProgram',
70 => 'ProgramVersion',
75 => 'ObjectCycle',
80 => 'By-line',
85 => 'By-lineTitle',
90 => 'City',
92 => 'Sub-location',
95 => 'Province-State',
100 => 'Country-PrimaryLocationCode',
101 => 'Country-PrimaryLocationName',
103 => 'OriginalTransmissionReference',
105 => 'Headline',
110 => 'Credit',
115 => 'Source',
116 => 'CopyrightNotice',
118 => 'Contact',
120 => 'Caption-Abstract',
121 => 'LocalCaption',
122 => 'Writer-Editor',
125 => 'RasterizedCaption',
130 => 'ImageType',
131 => 'ImageOrientation',
135 => 'LanguageIdentifier',
150 => 'AudioType',
151 => 'AudioSamplingRate',
152 => 'AudioSamplingResolution',
153 => 'AudioDuration',
154 => 'AudioOutcue',
184 => 'JobID',
185 => 'MasterDocumentID',
186 => 'ShortDocumentID',
187 => 'UniqueDocumentID',
188 => 'OwnerID',
200 => 'ObjectPreviewFileFormat',
201 => 'ObjectPreviewFileVersion',
202 => 'ObjectPreviewData',
221 => 'Prefs',
225 => 'ClassifyState',
228 => 'SimilarityIndex',
230 => 'DocumentNotes',
231 => 'DocumentHistory',
232 => 'ExifCameraInfo',
),
3 => array( // IPTC NewsPhoto Tags
0 => 'NewsPhotoVersion',
10 => 'IPTCPictureNumber',
20 => 'IPTCImageWidth',
30 => 'IPTCImageHeight',
40 => 'IPTCPixelWidth',
50 => 'IPTCPixelHeight',
55 => 'SupplementalType',
60 => 'ColorRepresentation',
64 => 'InterchangeColorSpace',
65 => 'ColorSequence',
66 => 'ICC_Profile',
70 => 'ColorCalibrationMatrix',
80 => 'LookupTable',
84 => 'NumIndexEntries',
85 => 'ColorPalette',
86 => 'IPTCBitsPerSample',
90 => 'SampleStructure',
100 => 'ScanningDirection',
102 => 'IPTCImageRotation',
110 => 'DataCompressionMethod',
120 => 'QuantizationMethod',
125 => 'EndPoints',
130 => 'ExcursionTolerance',
135 => 'BitsPerComponent',
140 => 'MaximumDensityRange',
145 => 'GammaCompensatedValue',
),
7 => array( // IPTC PreObjectData Tags
10 => 'SizeMode',
20 => 'MaxSubfileSize',
90 => 'ObjectSizeAnnounced',
95 => 'MaximumObjectSize',
),
8 => array( // IPTC ObjectData Tags
10 => 'SubFile',
),
9 => array( // IPTC PostObjectData Tags
10 => 'ConfirmedObjectSize',
),
);
}
return (isset($IPTCrecordTagName[$iptc_record][$iptc_tagkey]) ? $IPTCrecordTagName[$iptc_record][$iptc_tagkey] : $iptc_tagkey);
}
}
?>