Playlist editing methods moved from GreenBox to separate class Playlist.

GreenBox have only wrapper now.
Offset calculations fixed, changeFadeInfo method added.
This commit is contained in:
tomas 2005-02-28 03:26:25 +00:00
parent 05ee72190a
commit a6d757f1dd
2 changed files with 488 additions and 218 deletions

View File

@ -23,7 +23,7 @@
Author : $Author: tomas $
Version : $Revision: 1.46 $
Version : $Revision: 1.47 $
Location : $Source: /home/paul/cvs2svn-livesupport/newcvsrepo/livesupport/modules/storageServer/var/GreenBox.php,v $
------------------------------------------------------------------------------*/
@ -35,7 +35,7 @@ require_once "BasicStor.php";
* LiveSupport file storage module
*
* @author $Author: tomas $
* @version $Revision: 1.46 $
* @version $Revision: 1.47 $
* @see BasicStor
*/
class GreenBox extends BasicStor{
@ -404,10 +404,13 @@ class GreenBox extends BasicStor{
$lc =& new LocStor($this->dbc, $this->config);
$gunid2 = $lc->createPlaylist($sessid, $gunid, $fname);
if(PEAR::isError($gunid2)) return $gunid2;
// get local id:
$id = $this->_idFromGunid($gunid2);
if(PEAR::isError($id)) return $id;
// get home dir id:
$hdid = $this->_getHomeDirId($sessid);
if(PEAR::isError($hdid)) return $hdid;
// optionally move it to the destination folder:
if($parid != $hdid && !is_null($parid)){
$r = $this->bsMoveFile($id, $parid);
if(PEAR::isError($r)){ return $r; }
@ -492,119 +495,25 @@ class GreenBox extends BasicStor{
function addAudioClipToPlaylist($token, $acId, $sessid,
$fadeIn=NULL, $fadeOut=NULL)
{
$acGunid = $this->_gunidFromId($acId);
if(PEAR::isError($acGunid)) return $acGunid;
$plGunid = $this->_gunidFromToken($token, 'download');
if(PEAR::isError($plGunid)) return $plGunid;
if(is_null($plGunid)){
require_once"Playlist.php";
$pl =& Playlist::recallByToken($this, $token);
if(PEAR::isError($pl)) return $pl;
if('playlist' == ($type = $this->getFileType($acId))){
return PEAR::raiseError(
"GreenBox::addClipToPlaylist: invalid token"
"GreenBox::addAudioClipToPlaylist: object type not supported".
" ($type)"
);
}
$pl =& StoredFile::recallByGunid($this, $plGunid);
if(PEAR::isError($pl)){ return $pl; }
$id = $pl->getId();
// get playlist length and record id:
$r = $pl->md->getMetadataEl('dcterms:extent');
if(PEAR::isError($r)){ return $r; }
if(isset($r[0])){
$plLen = $r[0]['value'];
$plLenMid = $r[0]['mid'];
}else{
$plLen = '00:00:00.000000';
$plLenMid = NULL;
}
// get audioClip legth and title
$ac =& StoredFile::recallByGunid($this, $acGunid);
if(PEAR::isError($ac)){ return $ac; }
$r = $ac->md->getMetadataEl('dcterms:extent');
if(PEAR::isError($r)){ return $r; }
$acLen = $r[0]['value'];
$r = $ac->md->getMetadataEl('dc:title');
if(PEAR::isError($r)){ return $r; }
$acTit = $r[0]['value'];
// get main playlist container
$r = $pl->md->getMetadataEl('playlist');
if(PEAR::isError($r)){ return $r; }
$parid = $r[0]['mid'];
if(is_null($parid)){
return PEAR::raiseError(
"GreenBox::addClipToPlaylist: can't find main container"
);
}
// get metadata container (optionally insert it)
$r = $pl->md->getMetadataEl('metadata');
if(PEAR::isError($r)){ return $r; }
$metaParid = $r[0]['mid'];
if(is_null($metaParid)){
$r = $pl->md->insertMetadataEl($parid, 'metadata');
if(PEAR::isError($r)){ return $r; }
$metaParid = $r;
}
// insert new playlist element
$r = $pl->md->insertMetadataEl($parid, 'playlistElement');
if(PEAR::isError($r)){ return $r; }
$plElId = $r;
$plElGunid = StoredFile::_createGunid();
$r = $pl->md->insertMetadataEl($plElId, 'id', $plElGunid, 'A');
if(PEAR::isError($r)){ return $r; }
$r = $pl->md->insertMetadataEl(
$plElId, 'relativeOffset', $plLen, 'A');
if(PEAR::isError($r)){ return $r; }
// insert audioClip element into playlistElement
$r = $pl->md->insertMetadataEl($plElId, 'audioClip');
if(PEAR::isError($r)){ return $r; }
$acId = $r;
$r = $pl->md->insertMetadataEl($acId, 'id', $acGunid, 'A');
if(PEAR::isError($r)){ return $r; }
$r = $pl->md->insertMetadataEl($acId, 'playlength', $acLen, 'A');
if(PEAR::isError($r)){ return $r; }
$r = $pl->md->insertMetadataEl($acId, 'title', $acTit, 'A');
if(PEAR::isError($r)){ return $r; }
if(!is_null($fadeIn) || !is_null($fadeOut)){
// insert fadeInfo element into playlistElement
$r = $pl->md->insertMetadataEl($plElId, 'fadeInfo');
if(PEAR::isError($r)){ return $r; }
$fiId = $r;
$fiGunid = StoredFile::_createGunid();
$r = $pl->md->insertMetadataEl($fiId, 'id', $fiGunid, 'A');
if(PEAR::isError($r)){ return $r; }
$r = $pl->md->insertMetadataEl($fiId, 'fadeIn', $fadeIn, 'A');
if(PEAR::isError($r)){ return $r; }
$r = $pl->md->insertMetadataEl($fiId, 'fadeOut', $fadeOut, 'A');
if(PEAR::isError($r)){ return $r; }
}
// calculate and insert total length:
$newPlLen = $this->_secsToPlTime(
$this->_plTimeToSecs($plLen) + $this->_plTimeToSecs($acLen)
);
if(is_null($plLenMid)){
$r = $pl->md->insertMetadataEl(
$metaParid, 'dcterms:extent', $newPlLen);
}else{
$r = $pl->md->setMetadataEl($plLenMid, $newPlLen);
}
if(PEAR::isError($r)){ return $r; }
/* commented - maybe useless (C++ part doesn't do it)
// set access to audio clip:
$r = $this->bsAccess(NULL, '', $acGunid, 'access');
if(PEAR::isError($r)){ return $r; }
$acToken = $r['token'];
// insert token attribute:
$r = $pl->md->insertMetadataEl($acId, 'accessToken', $acToken, 'A');
if(PEAR::isError($r)){ return $r; }
*/
return $plElGunid;
$res = $pl->addAudioClip($acId, $fadeIn, $fadeOut);
if(PEAR::isError($res)) return $res;
return $res;
}
/**
* Remove audioclip from playlist
*
* @param token string, playlist access token
* <span style="color:red">
* <span style="color:green">
* @param plElGunid string, global id of deleted playlistElement
* </span>
* @param sessid string, session ID
@ -612,90 +521,34 @@ class GreenBox extends BasicStor{
*/
function delAudioClipFromPlaylist($token, $plElGunid, $sessid)
{
// $acGunid = $this->_gunidFromId($acId);
// if(PEAR::isError($acGunid)) return $acGunid;
$plGunid = $this->_gunidFromToken($token, 'download');
if(PEAR::isError($plGunid)) return $plGunid;
if(is_null($plGunid)){
return PEAR::raiseError(
"GreenBox::addClipToPlaylist: invalid token"
);
}
$pl =& StoredFile::recallByGunid($this, $plGunid);
if(PEAR::isError($pl)){ return $pl; }
$id = $pl->getId();
require_once"Playlist.php";
$pl =& Playlist::recallByToken($this, $token);
if(PEAR::isError($pl)) return $pl;
$res = $pl->delAudioClip($plElGunid);
if(PEAR::isError($res)) return $res;
return $res;
}
// get main playlist container:
$r = $pl->md->getMetadataEl('playlist');
if(PEAR::isError($r)){ return $r; }
$parid = $r[0]['mid'];
if(is_null($parid)){
return PEAR::raiseError(
"GreenBox::addClipToPlaylist: can't find main container"
);
}
// get playlist length and record id:
$r = $pl->md->getMetadataEl('dcterms:extent');
if(PEAR::isError($r)){ return $r; }
$plLen = $r[0]['value'];
$plLenMid = $r[0]['mid'];
// get array of playlist elements:
$plElArr = $pl->md->getMetadataEl('playlistElement', $parid);
if(PEAR::isError($plElArr)){ return $plElArr; }
$found = FALSE;
foreach($plElArr as $el){
$plElGunidArr = $pl->md->getMetadataEl('id', $el['mid']);
if(PEAR::isError($plElGunidArr)){ return $plElGunidArr; }
// select playlist element to remove
if($plElGunidArr[0]['value'] == $plElGunid){
$acArr = $pl->md->getMetadataEl('audioClip', $el['mid']);
if(PEAR::isError($acArr)){ return $acArr; }
$storedAcMid = $acArr[0]['mid'];
$acLenArr = $pl->md->getMetadataEl('playlength', $storedAcMid);
if(PEAR::isError($acLenArr)){ return $acLenArr; }
$acLen = $acLenArr[0]['value'];
/*
$acTokArr = $pl->md->getMetadataEl('accessToken', $storedAcMid);
if(PEAR::isError($acTokArr)){ return $acTokArr; }
$acToken = $acTokArr[0]['value'];
*/
// remove playlist element:
$r = $pl->md->setMetadataEl($el['mid'], NULL);
if(PEAR::isError($r)){ return $r; }
/*
// release audioClip:
$r = $this->bsRelease($acToken, 'access');
if(PEAR::isError($r)){ return $r; }
*/
$found = TRUE;
continue;
}
if($found){
// corect relative offsets in remaining elements:
$acOffArr = $pl->md->getMetadataEl('relativeOffset', $el['mid']);
if(PEAR::isError($acOffArr)){ return $acOffArr; }
$newOff = $this->_secsToPlTime(
$this->_plTimeToSecs($acOffArr[0]['value'])
-
$this->_plTimeToSecs($acLen)
);
$r = $pl->md->setMetadataEl($acOffArr[0]['mid'], $newOff);
if(PEAR::isError($r)){ return $r; }
}
}
if(!$found){
return PEAR::raiseError(
"GreenBox::delAudioClipFromPlaylist: playlistElement not found".
" ($plElGunid)"
);
}
// correct total length:
$newPlLen = $this->_secsToPlTime(
$this->_plTimeToSecs($plLen) - $this->_plTimeToSecs($acLen)
);
$r = $pl->md->setMetadataEl($plLenMid, $newPlLen);
if(PEAR::isError($r)){ return $r; }
return TRUE;
/**
* <span style="color:red">
* Change fadInfo values
*
* @param token string, playlist access token
* @param plElGunid string, global id of deleted playlistElement
* @param fadeIn string, optional, in time format hh:mm:ss.ssssss
* @param fadeOut string, dtto
* @param sessid string, session ID
* @return boolean
* </span>
*/
function changeFadeInfo($token, $plElGunid, $fadeIn, $fadeOut, $sessid)
{
require_once"Playlist.php";
$pl =& Playlist::recallByToken($this, $token);
if(PEAR::isError($pl)) return $pl;
$res = $pl->changeFadeInfo($plElGunid, $fadeIn, $fadeOut);
if(PEAR::isError($res)) return $res;
return $res;
}
/**
@ -720,35 +573,6 @@ class GreenBox extends BasicStor{
return $gunid;
}
/**
* Convert playlist time value to float seconds
*
* @param plt string, playlist time value (HH:mm:ss.dddddd)
* @return int, seconds
*/
function _plTimeToSecs($plt)
{
$arr = split(':', $plt);
if(isset($arr[2])){ return ($arr[0]*60 + $arr[1])*60 + $arr[2]; }
if(isset($arr[1])){ return $arr[0]*60 + $arr[1]; }
return $arr[0];
}
/**
* Convert float seconds value to playlist time format
*
* @param s0 int, seconds
* @return string, time in playlist time format (HH:mm:ss.dddddd)
*/
function _secsToPlTime($s0)
{
$m = intval($s0 / 60);
$r = $s0 - $m*60;
$h = $m / 60;
$m = $m % 60;
return sprintf("%02d:%02d:%09.6f", $h, $m, $r);
}
/**
* Delete a Playlist metafile.
*

View File

@ -0,0 +1,446 @@
<?php
/*------------------------------------------------------------------------------
Copyright (c) 2004 Media Development Loan Fund
This file is part of the LiveSupport project.
http://livesupport.campware.org/
To report bugs, send an e-mail to bugs@campware.org
LiveSupport is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation; either version 2 of the License, or
(at your option) any later version.
LiveSupport is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with LiveSupport; if not, write to the Free Software
Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
Author : $Author: tomas $
Version : $Revision: 1.1 $
Location : $Source: /home/paul/cvs2svn-livesupport/newcvsrepo/livesupport/modules/storageServer/var/Playlist.php,v $
------------------------------------------------------------------------------*/
/**
*
*/
class Playlist extends StoredFile{
/**
*
*/
function recallByToken(&$gb, $token, $className='Playlist')
{
return parent::recallByToken($gb, $token, $className);
}
/**
* Get audioClip legth and title
*/
function getAcInfo($acId)
{
$ac =& StoredFile::recall($this->gb, $acId);
if(PEAR::isError($ac)){ return $ac; }
$acGunid = $ac->gunid;
$r = $ac->md->getMetadataEl('dcterms:extent');
if(PEAR::isError($r)){ return $r; }
if(isset($r[0]['value'])) $acLen = $r[0]['value'];
else $acLen = '00:00:00.000000';
$r = $ac->md->getMetadataEl('dc:title');
if(PEAR::isError($r)){ return $r; }
if(isset($r[0]['value'])) $acTit = $r[0]['value'];
else $acTit = $acGunid;
return compact('acGunid', 'acLen', 'acTit');
}
/**
* Get
*/
function getPlInfo()
{
// get playlist length and record id:
$r = $this->md->getMetadataEl('dcterms:extent');
if(PEAR::isError($r)){ return $r; }
if(isset($r[0])){
$plLen = $r[0]['value'];
$plLenMid = $r[0]['mid'];
}else{
$plLen = '00:00:00.000000';
$plLenMid = NULL;
}
// get main playlist container
$parid = $this->getContainer('playlist');
if(PEAR::isError($parid)){ return $parid; }
// get metadata container (optionally insert it)
$metaParid = $this->getContainer('metadata', $parid, TRUE);
if(PEAR::isError($metaParid)){ return $metaParid; }
return compact('plLen', 'plLenMid', 'parid', 'metaParid');
}
/**
* Get
*/
function getContainer($containerName, $parid=NULL, $insertIfNone=FALSE)
{
$r = $this->md->getMetadataEl($containerName, $parid);
if(PEAR::isError($r)){ return $r; }
$id = $r[0]['mid'];
if(!is_null($id)) return $id;
if(!$insertIfNone || is_null($parid)){
return PEAR::raiseError(
"Playlist::getContainer: can't find container ($containerName)"
);
}
$id = $this->md->insertMetadataEl($parid, $containerName);
if(PEAR::isError($id)){ return $id; }
return $id;
}
/**
* Get
*/
function insertPlaylistElement($parid, $offset,
$acGunid, $acLen, $acTit, $fadeIn=NULL, $fadeOut=NULL)
{
// insert playlistElement
$r = $this->md->insertMetadataEl($parid, 'playlistElement');
if(PEAR::isError($r)){ return $r; }
$plElId = $r;
// create and insert gunid (id attribute)
$plElGunid = StoredFile::_createGunid();
$r = $this->md->insertMetadataEl($plElId, 'id', $plElGunid, 'A');
if(PEAR::isError($r)){ return $r; }
// insert relativeOffset
$r = $this->md->insertMetadataEl(
$plElId, 'relativeOffset', $offset, 'A');
if(PEAR::isError($r)){ return $r; }
// insert audioClip element into playlistElement
$r = $this->md->insertMetadataEl($plElId, 'audioClip');
if(PEAR::isError($r)){ return $r; }
$acId = $r;
$r = $this->md->insertMetadataEl($acId, 'id', $acGunid, 'A');
if(PEAR::isError($r)){ return $r; }
$r = $this->md->insertMetadataEl($acId, 'playlength', $acLen, 'A');
if(PEAR::isError($r)){ return $r; }
$r = $this->md->insertMetadataEl($acId, 'title', $acTit, 'A');
if(PEAR::isError($r)){ return $r; }
$fadeInId=NULL;
$fadeOutId=NULL;
if(!is_null($fadeIn) || !is_null($fadeOut)){
// insert fadeInfo element into playlistElement
$r = $this->md->insertMetadataEl($plElId, 'fadeInfo');
if(PEAR::isError($r)){ return $r; }
$fiId = $r;
$fiGunid = StoredFile::_createGunid();
$r = $this->md->insertMetadataEl($fiId, 'id', $fiGunid, 'A');
if(PEAR::isError($r)){ return $r; }
$r = $this->md->insertMetadataEl($fiId, 'fadeIn', $fadeIn, 'A');
if(PEAR::isError($r)){ return $r; }
$fadeInId = $r;
$r = $this->md->insertMetadataEl($fiId, 'fadeOut', $fadeOut, 'A');
if(PEAR::isError($r)){ return $r; }
$fadeOutId = $r;
}
return compact('plElId', 'plElGunid', 'fadeInId', 'fadeOutId');
}
/**
* Set
*/
function _getMidOrInsert($category, $parid, $value=NULL, $predxml='T')
{
$arr = $this->md->getMetadataEl($category, $parid);
if(PEAR::isError($arr)){ return $arr; }
$mid = NULL;
if(isset($arr[0]['mid'])) $mid = $arr[0]['mid'];
if(!is_null($mid)) return $mid;
$mid = $this->md->insertMetadataEl($parid, $category, $value, $predxml);
if(PEAR::isError($mid)){ return $mid; }
return $mid;
}
/**
* Set
*/
function _setValueOrInsert($mid, $value, $parid, $category)
{
if(is_null($mid)){
$r = $this->md->insertMetadataEl($parid, $category, $value);
}else{
$r = $this->md->setMetadataEl($mid, $value);
}
if(PEAR::isError($r)){ return $r; }
return $r;
}
/**
* Set
*/
function setPlaylistLength($newPlLen, $plLenMid, $metaParid)
{
$r = $this->_setValueOrInsert(
$plLenMid, $newPlLen, $metaParid, 'dcterms:extent');
if(PEAR::isError($r)){ return $r; }
return $r;
}
/**
* Add audioclip specified by gunid to the playlist
*
* @param acId string, local ID of added file
* @param fadeIn string, optional, in time format hh:mm:ss.ssssss
* @param fadeOut string, dtto
* @return string, generated playlistElement gunid
*/
function addAudioClip($acId, $fadeIn=NULL, $fadeOut=NULL)
{
$plGunid = $this->gunid;
// get information about audioClip
$acInfo = $this->getAcInfo($acId);
if(PEAR::isError($acInfo)){ return $acInfo; }
extract($acInfo); // 'acGunid', 'acLen', 'acTit'
// get information about playlist and containers
$plInfo = $this->getPlInfo();
if(PEAR::isError($plInfo)){ return $plInfo; }
extract($plInfo); // 'plLen', 'plLenMid', 'parid', 'metaParid'
// insert new playlist element
$offset = $plLen;
$plElInfo = $this->insertPlaylistElement($parid, $offset,
$acGunid, $acLen, $acTit, $fadeIn, $fadeOut);
if(PEAR::isError($plElInfo)){ return $plElnfo; }
extract($plElInfo); // 'plElId', 'plElGunid', 'fadeInId', 'fadeOutId'
/* commented - maybe useless (C++ part doesn't do it)
// set access to audio clip:
$r = $this->bsAccess(NULL, '', $acGunid, 'access');
if(PEAR::isError($r)){ return $r; }
$acToken = $r['token'];
// insert token attribute:
$r = $this->md->insertMetadataEl($acId, 'accessToken', $acToken, 'A');
if(PEAR::isError($r)){ return $r; }
*/
// recalculate offsets and total length:
$r = $this->recalculateTimes();
if(PEAR::isError($r)){ return $r; }
return $plElGunid;
}
/**
* Remove audioclip from playlist
*
* @param token string, playlist access token
* @param plElGunid string, global id of deleted playlistElement
* @return boolean
*/
function delAudioClip($plElGunid)
{
$plGunid = $this->gunid;
// get information about playlist and containers
$plInfo = $this->getPlInfo();
if(PEAR::isError($plInfo)){ return $plInfo; }
extract($plInfo); // 'plLen', 'plLenMid', 'parid', 'metaParid'
// get array of playlist elements:
$plElArr = $this->md->getMetadataEl('playlistElement', $parid);
if(PEAR::isError($plElArr)){ return $plElArr; }
$found = FALSE;
foreach($plElArr as $el){
$plElGunidArr = $this->md->getMetadataEl('id', $el['mid']);
if(PEAR::isError($plElGunidArr)){ return $plElGunidArr; }
// select playlist element to remove
if($plElGunidArr[0]['value'] == $plElGunid){
$acArr = $this->md->getMetadataEl('audioClip', $el['mid']);
if(PEAR::isError($acArr)){ return $acArr; }
$storedAcMid = $acArr[0]['mid'];
$acLenArr = $this->md->getMetadataEl('playlength', $storedAcMid);
if(PEAR::isError($acLenArr)){ return $acLenArr; }
$acLen = $acLenArr[0]['value'];
/*
$acTokArr = $this->md->getMetadataEl('accessToken', $storedAcMid);
if(PEAR::isError($acTokArr)){ return $acTokArr; }
$acToken = $acTokArr[0]['value'];
*/
// remove playlist element:
$r = $this->md->setMetadataEl($el['mid'], NULL);
if(PEAR::isError($r)){ return $r; }
/*
// release audioClip:
$r = $this->bsRelease($acToken, 'access');
if(PEAR::isError($r)){ return $r; }
*/
$found = TRUE;
}
}
if(!$found){
return PEAR::raiseError(
"Playlist::delAudioClip: playlistElement not found".
" ($plElGunid)"
);
}
// recalculate offsets and total length:
$r = $this->recalculateTimes();
if(PEAR::isError($r)){ return $r; }
return TRUE;
}
/**
*
*
*/
function changeFadeInfo($plElGunid, $fadeIn, $fadeOut)
{
$plGunid = $this->gunid;
// get information about playlist and containers
$plInfo = $this->getPlInfo();
if(PEAR::isError($plInfo)){ return $plInfo; }
extract($plInfo); // 'plLen', 'plLenMid', 'parid', 'metaParid'
// get array of playlist elements:
$plElArr = $this->md->getMetadataEl('playlistElement', $parid);
if(PEAR::isError($plElArr)){ return $plElArr; }
$found = FALSE;
foreach($plElArr as $el){
$plElGunidArr = $this->md->getMetadataEl('id', $el['mid']);
if(PEAR::isError($plElGunidArr)){ return $plElGunidArr; }
// select playlist element:
if($plElGunidArr[0]['value'] != $plElGunid){ continue; }
// get fadeInfo:
$fiMid = $this->_getMidOrInsert('fadeInfo', $el['mid']);
if(PEAR::isError($fiMid)){ return $fiMid; }
$fiGunid = StoredFile::_createGunid();
$r = $this->_getMidOrInsert('id', $fiMid, $fiGunid, 'A');
if(PEAR::isError($r)){ return $r; }
$fadeInId = $this->_getMidOrInsert('fadeIn', $fiMid, NULL, 'A');
if(PEAR::isError($fadeInId)){ return $fadeInId; }
$fadeOutId = $this->_getMidOrInsert('fadeOut', $fiMid, NULL, 'A');
if(PEAR::isError($fadeOutId)){ return $fadeOutId; }
$r = $this->_setValueOrInsert(
$fadeInId, $fadeIn, $fiMid, 'fadeIn');
if(PEAR::isError($r)){ return $r; }
$r = $this->_setValueOrInsert(
$fadeOutId, $fadeOut, $fiMid, 'fadeOut');
if(PEAR::isError($r)){ return $r; }
}
$r = $this->recalculateTimes();
if(PEAR::isError($r)){ return $r; }
return TRUE;
}
/**
*
*/
function recalculateTimes()
{
$plGunid = $this->gunid;
// get information about playlist and containers
$plInfo = $this->getPlInfo();
if(PEAR::isError($plInfo)){ return $plInfo; }
extract($plInfo); // 'plLen', 'plLenMid', 'parid', 'metaParid'
// get array of playlist elements:
$plElArr = $this->md->getMetadataEl('playlistElement', $parid);
if(PEAR::isError($plElArr)){ return $plElArr; }
$peArr = array();
$len = 0; $nextOffset = $len;
foreach($plElArr as $el){
$elId = $el['mid'];
// get playlistElement gunid:
$plElGunidArr = $this->md->getMetadataEl('id', $elId);
if(PEAR::isError($plElGunidArr)){ return $plElGunidArr; }
$plElGunid = $plElGunidArr[0]['value'];
// get relativeoffset:
$offArr = $this->md->getMetadataEl('relativeoffset', $elId);
if(PEAR::isError($offArr)){ return $offArr; }
$offsetId = $offArr[0]['mid'];
$offset = $offArr[0]['value'];
// get audioClip:
$acArr = $this->md->getMetadataEl('audioClip', $elId);
if(PEAR::isError($acArr)){ return $acArr; }
$storedAcMid = $acArr[0]['mid'];
// get playlength:
$acLenArr = $this->md->getMetadataEl('playlength', $storedAcMid);
if(PEAR::isError($acLenArr)){ return $acLenArr; }
$acLen = $acLenArr[0]['value'];
// get fadeInfo:
$fiArr = $this->md->getMetadataEl('fadeInfo', $elId);
if(PEAR::isError($fiArr)){ return $fiArr; }
if(isset($fiArr[0]['mid'])){
$fiMid = $fiArr[0]['mid'];
$fadeInArr = $this->md->getMetadataEl('fadeIn', $fiMid);
if(PEAR::isError($fadeInArr)){ return $fadeInArr; }
$fadeIn = $fadeInArr[0]['value'];
$fadeOutArr = $this->md->getMetadataEl('fadeOut', $fiMid);
if(PEAR::isError($fadeOutArr)){ return $fadeOutArr; }
$fadeOut = $fadeOutArr[0]['value'];
}else{
$fadeIn = '00:00:00.000000';
$fadeOut = '00:00:00.000000';
}
// $peArr[] = array('id'=>$elId, 'gunid'=>$plElGunid, 'len'=>$acLen,
// 'offset'=>$offset, 'offsetId'=>$offsetId,
// 'fadeIn'=>$fadeIn, 'fadeOut'=>$fadeOut);
// set relativeOffset:
$fadeInS = $this->_plTimeToSecs($fadeIn);
if($len>0) $len = $len - $fadeInS;
$newOffset = $this->_secsToPlTime($len);
$r = $this->_setValueOrInsert(
$offsetId, $newOffset, $elId, 'relativeOffset');
if(PEAR::isError($r)){ return $r; }
// $fadeInS = $this->_plTimeToSecs($fadeIn);
$acLenS = $this->_plTimeToSecs($acLen);
$len = $len + $acLenS;
}
$newPlLen = $this->_secsToPlTime($len);
$r = $this->setPlaylistLength($newPlLen, $plLenMid, $metaParid);
if(PEAR::isError($r)){ return $r; }
return TRUE;
}
/**
* Convert playlist time value to float seconds
*
* @param plt string, playlist time value (HH:mm:ss.dddddd)
* @return int, seconds
*/
function _plTimeToSecs($plt)
{
$arr = split(':', $plt);
if(isset($arr[2])){ return ($arr[0]*60 + $arr[1])*60 + $arr[2]; }
if(isset($arr[1])){ return $arr[0]*60 + $arr[1]; }
return $arr[0];
}
/**
* Convert float seconds value to playlist time format
*
* @param s0 int, seconds
* @return string, time in playlist time format (HH:mm:ss.dddddd)
*/
function _secsToPlTime($s0)
{
$m = intval($s0 / 60);
$r = $s0 - $m*60;
$h = $m / 60;
$m = $m % 60;
return sprintf("%02d:%02d:%09.6f", $h, $m, $r);
}
/**
*
* /
function ()
{
}
*/
}
?>