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Support geo located images & videos

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Franzz
2023-08-12 23:35:40 +02:00
parent 199e3a1269
commit 5f597647b4
4 changed files with 140 additions and 24 deletions
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56
inc/Media.php
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@@ -76,7 +76,7 @@ class Media extends PhpObject {
if($bOwnMedia && empty($this->asMedia) || !$bOwnMedia && empty($this->asMedias) || $bConstraintArray) {
if($this->oProject->getProjectId()) {
$asParams = array(
'select' => array(Db::getId(self::MEDIA_TABLE), 'filename', 'taken_on', 'posted_on', 'timezone', 'width', 'height', 'rotate', 'type AS subtype', 'comment'),
'select' => array(Db::getId(self::MEDIA_TABLE), 'filename', 'taken_on', 'posted_on', 'timezone', 'latitude', 'longitude', 'width', 'height', 'rotate', 'type AS subtype', 'comment'),
'from' => self::MEDIA_TABLE,
'constraint'=> array(Db::getId(Project::PROJ_TABLE) => $this->oProject->getProjectId())
);
@@ -128,6 +128,9 @@ class Media extends PhpObject {
'taken_on' => date(Db::TIMESTAMP_FORMAT, ($asMediaInfo['taken_ts'] > 0)?$asMediaInfo['taken_ts']:$asMediaInfo['file_ts']),
'posted_on' => date(Db::TIMESTAMP_FORMAT, $asMediaInfo['file_ts']),
'timezone' => $asMediaInfo['timezone'],
'latitude' => $asMediaInfo['latitude'],
'longitude' => $asMediaInfo['longitude'],
'altitude' => $asMediaInfo['altitude'],
'width' => $asMediaInfo['width'],
'height' => $asMediaInfo['height'],
'rotate' => $asMediaInfo['rotate'],
@@ -151,21 +154,23 @@ class Media extends PhpObject {
{
$sMediaPath = self::getMediaPath($sMediaName);
$sType = self::getMediaType($sMediaName);
$iPostedOn = filemtime($sMediaPath);
$sTimeZone = date_default_timezone_get();
$iWidth = 0;
$iHeight = 0;
$sRotate = '0';
$sTakenOn = '';
$fLat = 0;
$fLng = 0;
$iAlt = 0;
switch($sType) {
case 'video':
$asResult = array();
$sParams = implode(' ', array(
'-loglevel error', //Remove comments
'-select_streams v:0', //First video channel
'-show_entries '. //filter tags : Width, Height, Creation Time & Rotation
'format_tags=creation_time,com.apple.quicktime.creationdate:'.
'-show_entries '. //filter tags : Width, Height, Creation Time, Location & Rotation
'format_tags=creation_time,com.apple.quicktime.creationdate,com.apple.quicktime.location.ISO6709:'.
'stream_tags=rotate,creation_time:'.
'stream=width,height',
'-print_format json', //output format: json
@@ -181,6 +186,11 @@ class Media extends PhpObject {
}
else $sTakenOn = $asExif['format']['tags']['creation_time'] ?? $asExif['streams'][0]['tags']['creation_time'];
//Location
if(isset($asExif['format']['tags']['com.apple.quicktime.location.ISO6709'])) {
list($fLat, $fLng, $iAlt) = self::getLatLngAltFromISO6709($asExif['format']['tags']['com.apple.quicktime.location.ISO6709']);
}
//Width & Height
$iWidth = $asExif['streams'][0]['width'];
$iHeight = $asExif['streams'][0]['height'];
@@ -209,6 +219,14 @@ class Media extends PhpObject {
$sTimeZone = $asExif['EXIF']['OffsetTimeOriginal'] ?? $asExif['EXIF']['UndefinedTag:0x9011'] ?? Spot::getTimeZoneFromDate($sTakenOn) ?? $sTimeZone;
}
//Location
if(array_key_exists('GPS', $asExif)) {
$asGps = $asExif['GPS'];
$fLat = self::getLatLngFromExif($asGps['GPSLatitudeRef'] ?? $asGps['UndefinedTag:0x0001'], $asGps['GPSLatitude'] ?? $asGps['UndefinedTag:0x0002']);
$fLng = self::getLatLngFromExif($asGps['GPSLongitudeRef'] ?? $asGps['UndefinedTag:0x0003'], $asGps['GPSLongitude'] ?? $$asGps['UndefinedTag:0x0004']);
$iAlt = (($asGps['GPSAltitudeRef'] ?? $asGps['UndefinedTag:0x0005'] ?? '0') == '1'?-1:1) * ($asGps['GPSAltitude'] ?? $asGps['UndefinedTag:0x0006'] ?? 0);
}
//Orientation
if(array_key_exists('IFD0', $asExif) && array_key_exists('Orientation', $asExif['IFD0'])) {
switch($asExif['IFD0']['Orientation'])
@@ -232,6 +250,9 @@ class Media extends PhpObject {
return array(
'timezone' => $sTimeZone,
'latitude' => $fLat,
'longitude' => $fLng,
'altitude' => $iAlt,
'taken_ts' => $iTakenOn,
'file_ts' => $iPostedOn,
'width' => $iWidth,
@@ -290,4 +311,29 @@ class Media extends PhpObject {
return $sType;
}
}
private static function getLatLngFromExif($sDirection, $asCoords) {
$fCoord = 0;
foreach($asCoords as $iIndex=>$sCoord) {
$fValue = 0;
$asCoordParts = explode('/', $sCoord);
switch(count($asCoordParts)) {
case 1:
$fValue = $asCoordParts[0];
break;
case 2:
$fValue = floatval($asCoordParts[0]) / floatval($asCoordParts[1]);
break;
}
$fCoord += $fValue / pow(60, $iIndex);
}
return $fCoord * (($sDirection == 'W' || $sDirection == 'S')?-1:1);
}
private static function getLatLngAltFromISO6709($sIso6709) {
preg_match('/^(?P<lat>[\+\-][0,1]?\d{2}\.\d+)(?P<lng>[\+\-][0,1]?\d{2}\.\d+)(?P<alt>[\+\-]\d+)?/', $sIso6709, $asMatches);
return array(floatval($asMatches['lat']), floatval($asMatches['lng']), floatval($asMatches['alt'] ?? 0));
}
}