public function Analyze()
{
$info =& $this->getid3->info;
$info['fileformat'] = 'jpg';
$info['video']['dataformat'] = 'jpg';
$info['video']['lossless'] = false;
$info['video']['bits_per_sample'] = 24;
$info['video']['pixel_aspect_ratio'] = (double) 1;
fseek($this->getid3->fp, $info['avdataoffset'], SEEK_SET);
$imageinfo = array();
//list($width, $height, $type) = getid3_lib::GetDataImageSize(fread($this->getid3->fp, $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'][$IPTCrecordName][$IPTCrecordTagName])) {
$info['iptc'][$IPTCrecordName][$IPTCrecordTagName][] = $value;
} else {
$info['iptc'][$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($imageinfo['APP1'], 0, 4) == 'Exif') {
//$info['warning'][] = 'known issue: https://bugs.php.net/bug.php?id=62523';
//return false;
$info['jpg']['exif'] = @exif_read_data($info['filenamepath'], null, true, false);
} else {
$info['warning'][] = 'exif_read_data() cannot parse non-EXIF data in APP1 (expected "Exif", found "' . substr($imageinfo['APP1'], 0, 4) . '")';
}
} else {
$info['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] : '';
if (function_exists('date_default_timezone_set')) {
date_default_timezone_set('UTC');
} else {
ini_set('date.timezone', 'UTC');
}
$computed_time = array(0 => 0, 1 => 0, 2 => 0, 3 => 0, 4 => 0, 5 => 0);
if (isset($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);
}
}
$info['jpg']['exif']['GPS']['computed']['timestamp'] = mktime($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']);
}
}
if (getid3_lib::IncludeDependency(GETID3_INCLUDEPATH . 'module.tag.xmp.php', __FILE__, false)) {
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 {
$info['warning'][] = 'XMP: expecting "<subsection>:<tagname>", found "' . $key . '"';
}
}
}
}
if (!$returnOK) {
unset($info['fileformat']);
return false;
}
return true;
}
function getid3_jpg(&$fd, &$ThisFileInfo)
{
$ThisFileInfo['fileformat'] = 'jpg';
$ThisFileInfo['video']['dataformat'] = 'jpg';
$ThisFileInfo['video']['lossless'] = false;
$ThisFileInfo['video']['bits_per_sample'] = 24;
$ThisFileInfo['video']['pixel_aspect_ratio'] = (double) 1;
fseek($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) {
$IPTCrecordName = $this->IPTCrecordName($iptc_record);
$IPTCrecordTagName = $this->IPTCrecordTagName($iptc_record, $iptc_tagkey);
if (isset($ThisFileInfo['iptc'][$IPTCrecordName][$IPTCrecordTagName])) {
$ThisFileInfo['iptc'][$IPTCrecordName][$IPTCrecordTagName][] = $value;
} else {
$ThisFileInfo['iptc'][$IPTCrecordName][$IPTCrecordTagName] = array($value);
}
}
}
}
}
$returnOK = false;
switch ($type) {
case IMG_JPG:
$ThisFileInfo['video']['resolution_x'] = $width;
$ThisFileInfo['video']['resolution_y'] = $height;
if (isset($imageinfo['APP1'])) {
if (version_compare(phpversion(), '4.2.0', '>=')) {
if (function_exists('exif_read_data')) {
if (substr($imageinfo['APP1'], 0, 4) == 'Exif') {
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();
} else {
$ThisFileInfo['warning'][] = 'exif_read_data() cannot parse non-EXIF data in APP1 (expected "Exif", found "' . substr($imageinfo['APP1'], 0, 4) . '")';
}
} 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();
}
}
$returnOK = true;
break;
default:
break;
}
$cast_as_appropriate_keys = array('EXIF', 'IFD0', 'THUMBNAIL');
foreach ($cast_as_appropriate_keys as $exif_key) {
if (isset($ThisFileInfo['jpg']['exif'][$exif_key])) {
foreach ($ThisFileInfo['jpg']['exif'][$exif_key] as $key => $value) {
$ThisFileInfo['jpg']['exif'][$exif_key][$key] = $this->CastAsAppropriate($value);
}
}
}
if (isset($ThisFileInfo['jpg']['exif']['GPS'])) {
if (isset($ThisFileInfo['jpg']['exif']['GPS']['GPSVersion'])) {
for ($i = 0; $i < 4; $i++) {
$version_subparts[$i] = ord(substr($ThisFileInfo['jpg']['exif']['GPS']['GPSVersion'], $i, 1));
}
$ThisFileInfo['jpg']['exif']['GPS']['computed']['version'] = 'v' . implode('.', $version_subparts);
}
if (isset($ThisFileInfo['jpg']['exif']['GPS']['GPSDateStamp'])) {
$explodedGPSDateStamp = explode(':', $ThisFileInfo['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] : '';
if (function_exists('date_default_timezone_set')) {
date_default_timezone_set('UTC');
} else {
ini_set('date.timezone', 'UTC');
}
$computed_time = array(0 => 0, 1 => 0, 2 => 0, 3 => 0, 4 => 0, 5 => 0);
if (isset($ThisFileInfo['jpg']['exif']['GPS']['GPSTimeStamp']) && is_array($ThisFileInfo['jpg']['exif']['GPS']['GPSTimeStamp'])) {
foreach ($ThisFileInfo['jpg']['exif']['GPS']['GPSTimeStamp'] as $key => $value) {
$computed_time[$key] = getid3_lib::DecimalizeFraction($value);
}
}
$ThisFileInfo['jpg']['exif']['GPS']['computed']['timestamp'] = mktime($computed_time[0], $computed_time[1], $computed_time[2], $computed_time[3], $computed_time[4], $computed_time[5]);
}
if (isset($ThisFileInfo['jpg']['exif']['GPS']['GPSLatitude']) && is_array($ThisFileInfo['jpg']['exif']['GPS']['GPSLatitude'])) {
$direction_multiplier = isset($ThisFileInfo['jpg']['exif']['GPS']['GPSLatitudeRef']) && $ThisFileInfo['jpg']['exif']['GPS']['GPSLatitudeRef'] == 'S' ? -1 : 1;
foreach ($ThisFileInfo['jpg']['exif']['GPS']['GPSLatitude'] as $key => $value) {
$computed_latitude[$key] = getid3_lib::DecimalizeFraction($value);
}
$ThisFileInfo['jpg']['exif']['GPS']['computed']['latitude'] = $direction_multiplier * ($computed_latitude[0] + $computed_latitude[1] / 60 + $computed_latitude[2] / 3600);
}
if (isset($ThisFileInfo['jpg']['exif']['GPS']['GPSLongitude']) && is_array($ThisFileInfo['jpg']['exif']['GPS']['GPSLongitude'])) {
$direction_multiplier = isset($ThisFileInfo['jpg']['exif']['GPS']['GPSLongitudeRef']) && $ThisFileInfo['jpg']['exif']['GPS']['GPSLongitudeRef'] == 'W' ? -1 : 1;
foreach ($ThisFileInfo['jpg']['exif']['GPS']['GPSLongitude'] as $key => $value) {
$computed_longitude[$key] = getid3_lib::DecimalizeFraction($value);
}
$ThisFileInfo['jpg']['exif']['GPS']['computed']['longitude'] = $direction_multiplier * ($computed_longitude[0] + $computed_longitude[1] / 60 + $computed_longitude[2] / 3600);
}
if (isset($ThisFileInfo['jpg']['exif']['GPS']['GPSAltitude'])) {
$direction_multiplier = isset($ThisFileInfo['jpg']['exif']['GPS']['GPSAltitudeRef']) && $ThisFileInfo['jpg']['exif']['GPS']['GPSAltitudeRef'] === chr(1) ? -1 : 1;
$ThisFileInfo['jpg']['exif']['GPS']['computed']['altitude'] = $direction_multiplier * getid3_lib::DecimalizeFraction($ThisFileInfo['jpg']['exif']['GPS']['GPSAltitude']);
}
}
if (getid3_lib::IncludeDependency(GETID3_INCLUDEPATH . 'module.tag.xmp.php', __FILE__, false)) {
if (isset($ThisFileInfo['filenamepath'])) {
$image_xmp = new Image_XMP($ThisFileInfo['filenamepath']);
$xmp_raw = $image_xmp->getAllTags();
foreach ($xmp_raw as $key => $value) {
list($subsection, $tagname) = explode(':', $key);
$ThisFileInfo['xmp'][$subsection][$tagname] = $this->CastAsAppropriate($value);
}
}
}
if (!$returnOK) {
unset($ThisFileInfo['fileformat']);
return false;
}
return true;
}
){kind=link}
){kind=link}