adding zend project folders into old campcaster.
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naomiaro
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56abfaf28e
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290
application/models/Renderer.php
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290
application/models/Renderer.php
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<?php
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define('RENDER_EXT', 'ogg');
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require_once("Playlist.php");
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/**
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* Renderer caller class
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*
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* Playlist to file rendering - PHP layer, caller to the renderer executable
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*
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* @package Campcaster
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* @subpackage StorageServer
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* @copyright 2010 Sourcefabric O.P.S.
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* @license http://www.gnu.org/licenses/gpl.txt
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* @see LocStor
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*/
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class Renderer
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{
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/**
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* Render playlist to ogg file (open handle)
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*
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* @param GreenBox $gb
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* greenbox object reference
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* @param string $plid
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* playlist gunid
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* @param int $owner
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* local subject id, owner of token
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* @return array
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* token: string - render token
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*/
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function rnRender2FileOpen(&$gb, $plid, $owner=NULL)
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{
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global $CC_CONFIG;
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// recall playlist:
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$pl = StoredFile::RecallByGunid($plid);
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if (is_null($pl) || PEAR::isError($pl)) {
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return $pl;
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}
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// smil export:
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$smil = $pl->outputToSmil();
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if (PEAR::isError($smil)) {
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return $smil;
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}
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// temporary file for smil:
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$tmpn = tempnam($CC_CONFIG['bufferDir'], 'plRender_');
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$smilf = "$tmpn.smil";
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file_put_contents($smilf, $smil);
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$url = "file://$smilf";
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// output file:
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$outf = "$tmpn.".RENDER_EXT;
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touch($outf);
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// logging:
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$logf = $CC_CONFIG['bufferDir']."/renderer.log";
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file_put_contents($logf, "--- ".date("Ymd-H:i:s")."\n", FILE_APPEND);
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// open access to output file: /*gunid*/ /*parent*/
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$acc = BasicStor::bsAccess($outf, RENDER_EXT, $plid, 'render', 0, $owner);
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if (PEAR::isError($acc)) {
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return $acc;
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}
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extract($acc);
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$statf = Renderer::getStatusFile($gb, $token);
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file_put_contents($statf, "working");
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// command:
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$stServDir = dirname(__FILE__)."/..";
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$renderExe = "$stServDir/bin/renderer.sh";
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$command = "$renderExe -p $url -o $outf -s $statf >> $logf &";
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file_put_contents($logf, "$command\n", FILE_APPEND);
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$res = system($command);
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if ($res === FALSE) {
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return PEAR::raiseError(
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'Renderer::rnRender2File: Error running renderer'
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);
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}
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return array('token'=>$token);
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}
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/**
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* Render playlist to ogg file (check results)
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*
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* @param GreenBox $gb
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* GreenBox object reference
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* @param string $token
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* render token
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* @return array
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* status : string - success | working | fault
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* url : string - readable url
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*/
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function rnRender2FileCheck(&$gb, $token)
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{
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$statf = Renderer::getStatusFile($gb, $token);
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if (!file_exists($statf)) {
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return PEAR::raiseError(
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'Renderer::rnRender2FileCheck: Invalid token'
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);
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}
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$status = trim(file_get_contents($statf));
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$url = Renderer::getUrl($gb, $token);
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$tmpfile= Renderer::getLocalFile($gb, $token);
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return array('status'=>$status, 'url'=>$url, 'tmpfile'=>$tmpfile);
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}
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/**
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* Render playlist to ogg file (list results)
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*
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* @param GreenBox $gb
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* greenbox object reference
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* @param string $stat
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* status (optional) if this parameter is not set, then return with all unclosed backups
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* @return array
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* array of hasharray:
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* status : string - success | working | fault
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* url : string - readable url
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*/
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function rnRender2FileList(&$gb,$stat='') {
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// open temporary dir
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$tokens = BasicStor::GetTokensByType('render');
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foreach ($tokens as $token) {
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$st = Renderer::rnRender2FileCheck($gb, $token);
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if ( ($stat=='') || ($st['status']==$stat) ) {
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$r[] = $st;
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}
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}
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return $r;
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}
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/**
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* Render playlist to ogg file (close handle)
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*
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* @param GreenBox $gb
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* greenbox object reference
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* @param string $token
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* render token
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* @return mixed
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* TRUE or PEAR_Error
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*/
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function rnRender2FileClose(&$gb, $token)
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{
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global $CC_CONFIG;
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$r = BasicStor::bsRelease($token, 'render');
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if (PEAR::isError($r)) {
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return $r;
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}
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$realOgg = $r['realFname'];
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$tmpn = $CC_CONFIG['bufferDir']."/".basename($realOgg, '.'.RENDER_EXT);
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$smilf = "$tmpn.smil";
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$statf = Renderer::getStatusFile($gb, $token);
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@unlink($statf);
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@unlink($realOgg);
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@unlink($smilf);
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@unlink($tmpn);
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return TRUE;
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}
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/**
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* Render playlist to storage as audioClip (check results)
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*
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* @param GreenBox $gb
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* greenbox object reference
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* @param string $token
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* render token
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* @return array
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* status : string - success | working | fault
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* gunid: string - global unique id of result file
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*/
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function rnRender2StorageCheck(&$gb, $token)
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{
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$r = Renderer::rnRender2FileCheck($gb, $token);
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if (PEAR::isError($r)) {
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return $r;
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}
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$status = $r['status'];
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$res = array('status' => $status, 'gunid'=>'NULL');
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switch ($status) {
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case "fault":
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$res['faultString'] = "Error runing renderer";
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break;
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case "success":
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$r = Renderer::rnRender2StorageCore($gb, $token);
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if (PEAR::isError($r)) {
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return $r;
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}
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$res['gunid'] = $r['gunid'];
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break;
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default:
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break;
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}
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return $res;
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}
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/**
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* Render playlist to storage as audioClip (core method)
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*
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* @param GreenBox $gb
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* greenbox object reference
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* @param string $token
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* render token
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* @return array:
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* gunid: string - global unique id of result file
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*/
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function rnRender2StorageCore(&$gb, $token)
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{
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// $r = BasicStor::bsRelease($token, 'render');
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// if (PEAR::isError($r)) {
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// return $r;
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// }
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// $realOgg = $r['realFname'];
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// $owner = $r['owner'];
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// $gunid = $r['gunid'];
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// $fileName = 'rendered_playlist';
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// $id = BasicStor::IdFromGunid($gunid);
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// if (PEAR::isError($id)) {
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// return $id;
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// }
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// $mdata = '';
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// foreach (array('dc:title', 'dcterms:extent', 'dc:creator', 'dc:description') as $item) {
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// $val = $gb->bsGetMetadataValue($id, $item);
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// $mdata .= " <$item>$val</$item>\n";
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// }
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// $mdata = "<audioClip>\n <metadata>\n$mdata </metadata>\n</audioClip>\n";
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// //$mdata = "<audioClip>\n <metadata>\n$mdata<dcterms:extent>0</dcterms:extent>\n</metadata>\n</audioClip>\n";
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// $values = array(
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// "filename" => $fileName,
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// "filepath" => $realOgg,
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// "metadata" => $mdata,
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// "filetype" => "audioclip"
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// );
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// $storedFile = $gb->bsPutFile($values);
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// if (PEAR::isError($storedFile)) {
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// return $storedFile;
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// }
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// return array('gunid' => $storedFile->getGunid());
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}
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/**
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* Return local filepath of rendered file
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*
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* @param Greenbox $gb
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* greenbox object reference
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* @param string $token
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* render token
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* @return array
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*/
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function getLocalFile(&$gb, $token)
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{
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global $CC_CONFIG;
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$token = StoredFile::NormalizeGunid($token);
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return $CC_CONFIG['accessDir']."/$token.".RENDER_EXT;
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}
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/**
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* Return filepath of render status file
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*
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* @param GreenBox $gb
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* greenbox object reference
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* @param string $token
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* render token
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* @return array
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*/
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function getStatusFile(&$gb, $token)
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{
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return Renderer::getLocalFile($gb, $token).".status";
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}
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/**
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* Return remote accessible URL for rendered file
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*
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* @param GreenBox $gb
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* greenbox object reference
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* @param string $token
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* render token
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* @return array
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*/
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function getUrl(&$gb, $token)
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{
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$token = StoredFile::NormalizeGunid($token);
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return BasicStor::GetUrlPart()."access/$token.".RENDER_EXT;
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}
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} // class Renderer
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?>
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