displayPlaylistClipAtOffest method added to GreenBox.
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tomas
parent
daef9b152e
commit
1f43527041
2 changed files with 143 additions and 7 deletions
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@ -23,7 +23,7 @@
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Author : $Author: tomas $
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Version : $Revision: 1.54 $
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Version : $Revision: 1.55 $
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Location : $Source: /home/paul/cvs2svn-livesupport/newcvsrepo/livesupport/modules/storageServer/var/GreenBox.php,v $
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------------------------------------------------------------------------------*/
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@ -35,7 +35,7 @@ require_once "BasicStor.php";
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* LiveSupport file storage module
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*
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* @author $Author: tomas $
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* @version $Revision: 1.54 $
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* @version $Revision: 1.55 $
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* @see BasicStor
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*/
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class GreenBox extends BasicStor{
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@ -557,10 +557,10 @@ class GreenBox extends BasicStor{
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}
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/**
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* <span style="color:green">Move audioClip to the new position in the playlist</span>
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* Move audioClip to the new position in the playlist.
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*
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* <span style="color:green">This method may change id attributes
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* of playlistElements and/or fadeInfo</span>
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* This method may change id attributes of playlistElements and/or
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* fadeInfo.
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*
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* @param token string, playlist access token
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* @param plElGunid string, global id of deleted playlistElement
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@ -618,6 +618,31 @@ class GreenBox extends BasicStor{
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return $lc->deletePlaylist($sessid, $gunid);
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}
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/**
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* <span style="color:red">Find info about clip at specified offset in playlist.</span>
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*
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* @param sessid string, session id
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* @param plid string, playlist global unique id
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* @param offset string, current playtime (hh:mm:ss.ssssss)
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* @param distance int, 0=current clip; 1=next clip ...
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* @return array of matching clip info:
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* <ul>
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* <li>gunid string, global unique id of clip</li>
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* <li>elapsed string, already played time of clip</li>
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* <li>remaining string, remaining time of clip</li>
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* <li>duration string, total playlength of clip </li>
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* </ul>
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*/
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function displayPlaylistClipAtOffset($sessid, $plid, $offset, $distance=0)
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{
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require_once"Playlist.php";
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$pl =& Playlist::recallByGunid($this, $plid);
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if(PEAR::isError($pl)) return $pl;
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$res = $pl->displayPlaylistClipAtOffset($offset, $distance);
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if(PEAR::isError($res)) return $res;
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return $res;
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}
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/**
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* Check whether a Playlist metafile with the given playlist ID exists.
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*
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@ -23,7 +23,7 @@
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Author : $Author: tomas $
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Version : $Revision: 1.10 $
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Version : $Revision: 1.11 $
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Location : $Source: /home/paul/cvs2svn-livesupport/newcvsrepo/livesupport/modules/storageServer/var/Playlist.php,v $
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------------------------------------------------------------------------------*/
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@ -35,6 +35,20 @@
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*/
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class Playlist extends StoredFile{
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/**
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* Create instace of Playlist object and recall existing file
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* by gunid.<br/>
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*
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* @param gb reference to GreenBox object
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* @param gunid string, global unique id
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* @param className string, optional classname to recall
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* @return instace of Playlist object
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*/
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function recallByGunid(&$gb, $gunid, $className='Playlist')
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{
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return parent::recallByGunid($gb, $gunid, $className);
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}
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/**
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* Create instace of Playlist object and recall existing file
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* by access token.<br/>
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@ -42,7 +56,7 @@ class Playlist extends StoredFile{
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* @param gb reference to GreenBox object
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* @param token string, access token
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* @param className string, optional classname to recall
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* @return instace of StoredFile object
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* @return instace of Playlist object
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*/
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function recallByToken(&$gb, $token, $className='Playlist')
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{
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@ -554,6 +568,103 @@ class Playlist extends StoredFile{
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return TRUE;
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}
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/**
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* Find info about clip at specified offset in playlist.
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*
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* @param offset string, current playtime (hh:mm:ss.ssssss)
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* @param distance int, 0=current clip; 1=next clip ...
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* @return array of matching clip info:
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* <ul>
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* <li>gunid string, global unique id of clip</li>
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* <li>elapsed string, already played time of clip</li>
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* <li>remaining string, remaining time of clip</li>
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* <li>duration string, total playlength of clip </li>
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* </ul>
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*/
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function displayPlaylistClipAtOffset($offset, $distance=0)
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{
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$offsetS = $this->_plTimeToSecs($offset);
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# echo "\nOFFSET: $offset, SECS=$offsetS, DISTANCE=$distance\n";
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$plGunid = $this->gunid;
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$arr = $this->md->genPhpArray();
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# var_dump($arr); exit;
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if(PEAR::isError($arr)){ return $arr; }
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$plArr = array('els'=>array());
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foreach($arr[children] as $i=>$plEl){
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switch($plEl['elementname']){
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case"playlistelement":
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$plInfo = array(
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'acLen' => '00:00:00.000000', 'acLenS' => 0,
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'fadein' => '00:00:00.000000', 'fadeinS' => 0,
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'fadeout' => '00:00:00.000000', 'fadeoutS' => 0,
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);
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$plInfo['elOffset'] = $pom = $plEl['attrs']['relativeoffset'];
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$plInfo['elOffsetS'] = $this->_plTimeToSecs($pom);
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foreach($plEl[children] as $j=>$acFi){
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switch($acFi['elementname']){
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case"audioclip":
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$plInfo['acLen'] = $pom = $acFi['attrs']['playlength'];
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$plInfo['acLenS'] = $this->_plTimeToSecs($pom);
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$plInfo['acGunid'] = $pom = $acFi['attrs']['id'];
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break;
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case"fadeinfo":
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$plInfo['fadein'] = $pom = $acFi['attrs']['fadein'];
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$plInfo['fadeinS'] = $this->_plTimeToSecs($pom);
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$plInfo['fadeout'] = $pom = $acFi['attrs']['fadeout'];
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$plInfo['fadeoutS'] = $this->_plTimeToSecs($pom);
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break;
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}
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}
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$plArr['els'][] = $plInfo;
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break;
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case"metadata":
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foreach($plEl[children] as $j=>$ch){
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switch($ch['elementname']){
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case"dcterms:extent":
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$plArr['length'] = $pom = $ch['content'];
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$plArr['lengthS'] = $this->_plTimeToSecs($pom);
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break;
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}
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}
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break;
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}
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}
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if(isset($arr['attrs']['playlength'])){
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$plArr['length'] = $pom = $arr['attrs']['playlength'];
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$plArr['lengthS'] = $this->_plTimeToSecs($pom);
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}
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# var_dump($plArr); exit;
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$res = array('gunid'=>NULL, 'elapsed'=>NULL,
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'remaining'=>NULL, 'duration'=>NULL);
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$dd = -1;
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foreach($plArr['els'] as $el){
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# var_dump($el);
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extract($el);
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# echo " ### $offsetS, $elOffsetS, ".($elOffsetS+$acLenS)."\n";
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if($offsetS > $elOffsetS &&
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$offsetS < ($elOffsetS + $acLenS) &&
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$dd<0
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) $dd=0;
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if($dd == $distance){
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$playedS = $offsetS - $elOffsetS;
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if($playedS < 0) $playedS = 0;
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$remainS = $acLenS - $playedS;
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# echo " X $acGunid, $playedS, $remainS, $acLenS\n";
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$res = array('gunid'=>$acGunid,
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'elapsed' => $this->_secsToPlTime($playedS),
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'remaining' => $this->_secsToPlTime($remainS),
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'duration' => $this->_secsToPlTime($acLenS),
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);
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return $res;
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}
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# echo " * elOffset: $elOffset, secs=$elOffsetS, playLength:$acLen\n";
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if($dd >= 0) $dd++;
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}
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return $res;
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}
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/**
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* Convert playlist time value to float seconds
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*
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