--- /dev/null
+<?php
+/////////////////////////////////////////////////////////////////
+/// getID3() by James Heinrich <info@getid3.org> //
+// available at http://getid3.sourceforge.net //
+// or http://www.getid3.org //
+// also https://github.com/JamesHeinrich/getID3 //
+/////////////////////////////////////////////////////////////////
+// See readme.txt for more details //
+/////////////////////////////////////////////////////////////////
+// //
+// module.graphic.jpg.php //
+// module for analyzing JPEG Image files //
+// dependencies: PHP compiled with --enable-exif (optional) //
+// module.tag.xmp.php (optional) //
+// ///
+/////////////////////////////////////////////////////////////////
+
+
+class getid3_jpg extends getid3_handler
+{
+
+
+ public function Analyze() {
+ $info = &$this->getid3->info;
+
+ $info['fileformat'] = 'jpg';
+ $info['video']['dataformat'] = 'jpg';
+ $info['video']['lossless'] = false;
+ $info['video']['bits_per_sample'] = 24;
+ $info['video']['pixel_aspect_ratio'] = (float) 1;
+
+ $this->fseek($info['avdataoffset']);
+
+ $imageinfo = array();
+ //list($width, $height, $type) = getid3_lib::GetDataImageSize($this->fread($info['filesize']), $imageinfo);
+ list($width, $height, $type) = getimagesize($info['filenamepath'], $imageinfo); // http://www.getid3.org/phpBB3/viewtopic.php?t=1474
+
+
+ if (isset($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) {
+ $IPTCrecordName = $this->IPTCrecordName($iptc_record);
+ $IPTCrecordTagName = $this->IPTCrecordTagName($iptc_record, $iptc_tagkey);
+ if (isset($info['iptc']['comments'][$IPTCrecordName][$IPTCrecordTagName])) {
+ $info['iptc']['comments'][$IPTCrecordName][$IPTCrecordTagName][] = $value;
+ } else {
+ $info['iptc']['comments'][$IPTCrecordName][$IPTCrecordTagName] = array($value);
+ }
+ }
+ }
+ }
+ }
+
+ $returnOK = false;
+ switch ($type) {
+ case IMG_JPG:
+ $info['video']['resolution_x'] = $width;
+ $info['video']['resolution_y'] = $height;
+
+ if (isset($imageinfo['APP1'])) {
+ if (function_exists('exif_read_data')) {
+ if (substr($imageinfo['APP1'], 0, 4) == 'Exif') {
+//$this->warning('known issue: https://bugs.php.net/bug.php?id=62523');
+//return false;
+ set_error_handler(function($errno, $errstr, $errfile, $errline, array $errcontext) {
+ if (!(error_reporting() & $errno)) {
+ // error is not specified in the error_reporting setting, so we ignore it
+ return false;
+ }
+
+ $errcontext['info']['warning'][] = 'Error parsing EXIF data ('.$errstr.')';
+ });
+
+ $info['jpg']['exif'] = exif_read_data($info['filenamepath'], null, true, false);
+
+ restore_error_handler();
+ } else {
+ $this->warning('exif_read_data() cannot parse non-EXIF data in APP1 (expected "Exif", found "'.substr($imageinfo['APP1'], 0, 4).'")');
+ }
+ } else {
+ $this->warning('EXIF parsing only available when '.(GETID3_OS_ISWINDOWS ? 'php_exif.dll enabled' : 'compiled with --enable-exif'));
+ }
+ }
+ $returnOK = true;
+ break;
+
+ default:
+ break;
+ }
+
+
+ $cast_as_appropriate_keys = array('EXIF', 'IFD0', 'THUMBNAIL');
+ foreach ($cast_as_appropriate_keys as $exif_key) {
+ if (isset($info['jpg']['exif'][$exif_key])) {
+ foreach ($info['jpg']['exif'][$exif_key] as $key => $value) {
+ $info['jpg']['exif'][$exif_key][$key] = $this->CastAsAppropriate($value);
+ }
+ }
+ }
+
+
+ if (isset($info['jpg']['exif']['GPS'])) {
+
+ if (isset($info['jpg']['exif']['GPS']['GPSVersion'])) {
+ for ($i = 0; $i < 4; $i++) {
+ $version_subparts[$i] = ord(substr($info['jpg']['exif']['GPS']['GPSVersion'], $i, 1));
+ }
+ $info['jpg']['exif']['GPS']['computed']['version'] = 'v'.implode('.', $version_subparts);
+ }
+
+ if (isset($info['jpg']['exif']['GPS']['GPSDateStamp'])) {
+ $explodedGPSDateStamp = explode(':', $info['jpg']['exif']['GPS']['GPSDateStamp']);
+ $computed_time[5] = (isset($explodedGPSDateStamp[0]) ? $explodedGPSDateStamp[0] : '');
+ $computed_time[3] = (isset($explodedGPSDateStamp[1]) ? $explodedGPSDateStamp[1] : '');
+ $computed_time[4] = (isset($explodedGPSDateStamp[2]) ? $explodedGPSDateStamp[2] : '');
+
+ $computed_time = array(0=>0, 1=>0, 2=>0, 3=>0, 4=>0, 5=>0);
+ if (isset($info['jpg']['exif']['GPS']['GPSTimeStamp']) && is_array($info['jpg']['exif']['GPS']['GPSTimeStamp'])) {
+ foreach ($info['jpg']['exif']['GPS']['GPSTimeStamp'] as $key => $value) {
+ $computed_time[$key] = getid3_lib::DecimalizeFraction($value);
+ }
+ }
+ $info['jpg']['exif']['GPS']['computed']['timestamp'] = gmmktime($computed_time[0], $computed_time[1], $computed_time[2], $computed_time[3], $computed_time[4], $computed_time[5]);
+ }
+
+ if (isset($info['jpg']['exif']['GPS']['GPSLatitude']) && is_array($info['jpg']['exif']['GPS']['GPSLatitude'])) {
+ $direction_multiplier = ((isset($info['jpg']['exif']['GPS']['GPSLatitudeRef']) && ($info['jpg']['exif']['GPS']['GPSLatitudeRef'] == 'S')) ? -1 : 1);
+ foreach ($info['jpg']['exif']['GPS']['GPSLatitude'] as $key => $value) {
+ $computed_latitude[$key] = getid3_lib::DecimalizeFraction($value);
+ }
+ $info['jpg']['exif']['GPS']['computed']['latitude'] = $direction_multiplier * ($computed_latitude[0] + ($computed_latitude[1] / 60) + ($computed_latitude[2] / 3600));
+ }
+
+ if (isset($info['jpg']['exif']['GPS']['GPSLongitude']) && is_array($info['jpg']['exif']['GPS']['GPSLongitude'])) {
+ $direction_multiplier = ((isset($info['jpg']['exif']['GPS']['GPSLongitudeRef']) && ($info['jpg']['exif']['GPS']['GPSLongitudeRef'] == 'W')) ? -1 : 1);
+ foreach ($info['jpg']['exif']['GPS']['GPSLongitude'] as $key => $value) {
+ $computed_longitude[$key] = getid3_lib::DecimalizeFraction($value);
+ }
+ $info['jpg']['exif']['GPS']['computed']['longitude'] = $direction_multiplier * ($computed_longitude[0] + ($computed_longitude[1] / 60) + ($computed_longitude[2] / 3600));
+ }
+ if (isset($info['jpg']['exif']['GPS']['GPSAltitudeRef'])) {
+ $info['jpg']['exif']['GPS']['GPSAltitudeRef'] = ord($info['jpg']['exif']['GPS']['GPSAltitudeRef']); // 0 = above sea level; 1 = below sea level
+ }
+ if (isset($info['jpg']['exif']['GPS']['GPSAltitude'])) {
+ $direction_multiplier = (!empty($info['jpg']['exif']['GPS']['GPSAltitudeRef']) ? -1 : 1); // 0 = above sea level; 1 = below sea level
+ $info['jpg']['exif']['GPS']['computed']['altitude'] = $direction_multiplier * getid3_lib::DecimalizeFraction($info['jpg']['exif']['GPS']['GPSAltitude']);
+ }
+
+ }
+
+
+ getid3_lib::IncludeDependency(GETID3_INCLUDEPATH.'module.tag.xmp.php', __FILE__, true);
+ if (isset($info['filenamepath'])) {
+ $image_xmp = new Image_XMP($info['filenamepath']);
+ $xmp_raw = $image_xmp->getAllTags();
+ foreach ($xmp_raw as $key => $value) {
+ if (strpos($key, ':')) {
+ list($subsection, $tagname) = explode(':', $key);
+ $info['xmp'][$subsection][$tagname] = $this->CastAsAppropriate($value);
+ } else {
+ $this->warning('XMP: expecting "<subsection>:<tagname>", found "'.$key.'"');
+ }
+ }
+ }
+
+ if (!$returnOK) {
+ unset($info['fileformat']);
+ return false;
+ }
+ return true;
+ }
+
+
+ public function CastAsAppropriate($value) {
+ if (is_array($value)) {
+ return $value;
+ } elseif (preg_match('#^[0-9]+/[0-9]+$#', $value)) {
+ return getid3_lib::DecimalizeFraction($value);
+ } elseif (preg_match('#^[0-9]+$#', $value)) {
+ return getid3_lib::CastAsInt($value);
+ } elseif (preg_match('#^[0-9\.]+$#', $value)) {
+ return (float) $value;
+ }
+ return $value;
+ }
+
+
+ public function IPTCrecordName($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] : '');
+ }
+
+
+ public 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);
+ }
+
+}
scripts.mit.edu / autoinstallsdev / mediawiki.git / blobdiff
