function process_mpd()
{
global $Adapt_arr, $Period_arr, $repno, $repnolist, $period_url, $locate, $string_info, $count1, $count2, $perioddepth, $adaptsetdepth, $period_baseurl, $foldername, $type, $minBufferTime, $profiles, $MPD, $session_id, $progressXML;
//Global variables to be used within the main function
// $path_parts = pathinfo($mpdurl);
$Baseurl = false;
//define if Baseurl is used or no
$setsegflag = false;
// $mpdfilename = $path_parts['filename']; // determine name of actual MPD file
if (isset($_FILES['afile']['tmp_name'])) {
$_SESSION['fileContent'] = file_get_contents($_FILES['afile']['tmp_name']);
}
// if (isset($_POST['urlcode'])) { // in case of client send first connection attempt
$sessname = 'sess' . rand();
// get a random session name
session_name($sessname);
// set session name
$directories = array_diff(scandir(dirname(__FILE__) . '/' . 'temp'), array('..', '.'));
foreach ($directories as $file) {
// Clean temp folder from old sessions in order to save diskspace
if (file_exists(dirname(__FILE__) . '/' . 'temp' . '/' . $file)) {
// temp is folder contains all sessions folders
$tempXML = simplexml_load_file(dirname(__FILE__) . '/' . 'temp' . '/' . $file . '/progress.xml');
$change1 = 0;
//duration after conformance test is done
$change2 = time() - filemtime(dirname(__FILE__) . '/' . 'temp' . '/' . $file);
// duration of file implementation
if ((string) $tempXML->completed === "true") {
$change1 = time() - (int) $tempXML->completed->attributes();
}
if ($change1 > 1800 || $change2 > 1800) {
//clean folder after 30 mins after test completed or 30 mins after test started
rrmdir(dirname(__FILE__) . '/' . 'temp' . '/' . $file);
}
// if last time folder was modified exceed 300 second it should be removed
}
}
// Work out which validator binary to use
$validatemp4 = strtoupper(substr(PHP_OS, 0, 3)) === 'WIN' ? "validatemp4-vs2010.exe" : "ValidateMP4.exe";
//var_dump( $path_parts );
if (isset($_POST['foldername'])) {
$foldername = $_POST['foldername'];
$paths = explode("/", $foldername);
if (count($paths) > 1) {
$foldername = end($paths);
}
} else {
$foldername = 'id' . rand();
}
// get random name for session folder
//get a name for session folder from client.
$_SESSION['foldername'] = $foldername;
// rrmdir($locate);
$locate = dirname(__FILE__) . '/' . 'temp' . '/' . $foldername;
//session folder location
$_SESSION['locate'] = $locate;
// save session folder location
$oldmask = umask(0);
mkdir($locate, 0777, true);
// create session folder
umask($oldmask);
// $totarr = array(); // array contains all data to be sent to client.
copy(dirname(__FILE__) . "/" . $validatemp4, $locate . '/' . $validatemp4);
// copy conformance tool to session folder to allow multi-session operation
chmod($locate . '/' . $validatemp4, 0777);
$url_array = json_decode($_POST['urlcode']);
if (isset($_SESSION['fileContent'])) {
// If file is uploaded
file_put_contents($locate . '/uploaded.mpd', $_SESSION['fileContent']);
$url_array[0] = $locate . '/uploaded.mpd';
$GLOBALS["url"] = $locate . '/uploaded.mpd';
$MPD_abs = simplexml_load_file($GLOBALS["url"]);
// load mpd from url
$dom_abs = dom_import_simplexml($MPD_abs);
$abs = new DOMDocument('1.0');
$dom_abs = $abs->importNode($dom_abs, true);
//create dom element to contain mpd
$dom_abs = $abs->appendChild($dom_abs);
$MPD_abs = $abs->getElementsByTagName('MPD')->item(0);
// access the parent "MPD" in mpd file
$Baseurl_abs = $MPD_abs->getElementsByTagName('BaseURL');
if ($Baseurl_abs->length > 0) {
$Baseurl_abs = $Baseurl_abs->item(0);
$absolute = $Baseurl_abs->nodeValue;
if ($absolute === './' || strpos($absolute, 'http') === false) {
$url_array[2] = 1;
}
} else {
$url_array[2] = 1;
}
}
$url_array[3] = $locate;
//Used for e.g. placing intermediate files etc.
copy(dirname(__FILE__) . "/" . "featuretable.html", $locate . '/' . "featuretable.html");
// copy features list html file to session folder
//Create log file so that it is available if accessed
$progressXML = simplexml_load_string('<root><Profile></Profile><Progress><percent>0</percent><dataProcessed>0</dataProcessed><dataDownloaded>0</dataDownloaded><CurrentAdapt>1</CurrentAdapt><CurrentRep>1</CurrentRep></Progress><completed>false</completed></root>');
// get progress bar update
$progressXML->asXml($locate . '/progress.xml');
//progress xml location
//libxml_use_internal_logors(true);
$MPD_O = simplexml_load_file($GLOBALS["url"]);
// load mpd from url
if (!$MPD_O) {
$progressXML->MPDError = "1";
//MPD error is updated in the progress.xml file.
$progressXML->asXml(trim($locate . '/progress.xml'));
echo $progressXML->asXML();
die("Error: Failed loading XML file");
} else {
$progressXML->MPDError = "0";
$progressXML->asXml(trim($locate . '/progress.xml'));
}
$dom_sxe = dom_import_simplexml($MPD_O);
if (!$dom_sxe) {
echo $progressXML->asXML();
exit;
}
$validate_result = mpdvalidator($url_array, $locate, $foldername);
$exit = $validate_result[0];
$totarr = $validate_result[1];
$schematronIssuesReport = $validate_result[2];
//MPD Conformance results are written into the progress.xml file.
$temp_mpdres = "";
for ($totindex = 0; $totindex < 3; $totindex++) {
if ($totarr[$totindex] == "true") {
$temp_mpdres = $temp_mpdres . "true ";
} else {
$temp_mpdres = $temp_mpdres . "false ";
}
}
$progressXML->MPDConformance = $temp_mpdres;
$progressXML->MPDConformance->addAttribute('url', str_replace($_SERVER['DOCUMENT_ROOT'], 'http://' . $_SERVER['SERVER_NAME'], $locate . '/mpdreport.txt'));
$progressXML->asXml(trim($locate . '/progress.xml'));
///////////////////////////////////////Processing mpd attributes in order to get value//////////////////////////////////////////////////////////
$dom = new DOMDocument('1.0');
$dom_sxe = $dom->importNode($dom_sxe, true);
//create dom element to contain mpd
//$dom_sxe = $dom->appendChild($dom_sxe);
$dom->appendChild($dom_sxe);
$MPD = $dom->getElementsByTagName('MPD')->item(0);
// access the parent "MPD" in mpd file
$mediaPresentationDuration = $MPD->getAttribute('mediaPresentationDuration');
// get mediapersentation duration from mpd level
$AST = $MPD->getAttribute('availabilityStartTime');
$bufferdepth = $MPD->getAttribute('timeShiftBufferDepth');
$bufferdepth = timeparsing($bufferdepth);
$presentationduration = timeparsing($mediaPresentationDuration);
createMpdFeatureList($dom, $schematronIssuesReport);
$type = $MPD->getAttribute('type');
// get mpd type
if ($type === 'dynamic' && $dom->getElementsByTagName('SegmentTemplate')->length == 0) {
$totarr[] = $foldername;
//This is messed up right now: dynamic conformance
//$totarr[]='dynamic'; // Incase of dynamic only mpd conformance.
//$exit =true; //Session destroy flag is true
}
if ($exit === true) {
//If session should be destroyed
if ($type !== 'dynamic') {
$totarr[] = $foldername;
}
$stri = json_encode($totarr);
//Send results to client
// echo $stri;
session_destroy();
//Destroy session
$progressXML->completed = "true";
$progressXML->completed->addAttribute('time', time());
$progressXML->asXml(trim($locate . '/progress.xml'));
echo $progressXML->asXML();
exit;
//Exit
}
$minBufferTime = $MPD->getAttribute('minBufferTime');
//get min buffer time
$profiles = $MPD->getAttribute('profiles');
// get profiles
$progressXML->Profile = $profiles;
$progressXML->asXml(trim($locate . '/progress.xml'));
$periodCount = 0;
foreach ($dom->documentElement->childNodes as $node) {
// search for all nodes within mpd
if ($node->nodeName === 'Period') {
if ($periodCount === 0) {
//only process the first Period
$periodNode = $node;
}
$periodCount++;
}
}
$val = $dom->getElementsByTagName('BaseURL');
// get BaseUrl node
$segflag = $dom->getElementsByTagName('SegmentTemplate');
//check if segment template exists or not
if ($segflag->length > 0) {
$setsegflag = true;
}
// Segment template is supported
if ($val->length > 0) {
// if baseurl is used
$Baseurl = true;
// set Baseurl flag = true
for ($i = 0; $i < sizeof($val); $i++) {
//check if Baseurl node exist in MPD level or lower level
$base = $val->item($i);
$par = $base->parentNode;
$name = $par->tagName;
if ($name == 'MPD') {
// if exist in mpd level
$dir = $base->nodeValue;
if (!isAbsoluteURL($dir)) {
// if baseurl is relative URl
$dir = dirname($GLOBALS["url"]) . '/' . $dir;
}
// use location of Baseurl as location of mpd location
}
}
if (!isset($dir)) {
// if there is no Baseurl in mpd level
$dir = dirname($GLOBALS["url"]) . '/';
}
// set location of segments dir as mpd location
} else {
$dir = dirname($GLOBALS["url"]) . '/';
}
// if there is no Baseurl in mpd level,set location of segments dir as mpd location
$start = processPeriod($periodNode, $dir);
// start getting information from period level
$start = timeparsing($start);
//Get start time in seconds
$segm_url = array();
// contains segments url within one
$adapt_url = array();
// contains all segments urls within adapatations set
if ($setsegflag) {
// Segment template is used
for ($k = 0; $k < sizeof($Period_arr); $k++) {
// loop on period array
$Adapt_initialization_setflag = 0;
if (!empty($Period_arr[$k]['SegmentTemplate'])) {
//print_r2($Period_arr[$k]['SegmentTemplate']);
if (!empty($Period_arr[$k]['SegmentTemplate']['duration'])) {
// get duration of segment template
$duration = $Period_arr[$k]['SegmentTemplate']['duration'];
} else {
$duration = 0;
}
// if duration doesn't exist set duration to 0
if (!empty($Period_arr[$k]['SegmentTemplate']['timescale'])) {
// check time scale for given segment template
$timescale = $Period_arr[$k]['SegmentTemplate']['timescale'];
} else {
$timescale = 1;
}
// if doesn't exist set default to 1
if ($duration != 0) {
$duration = $duration / $timescale;
// get duration
$segmentno = ceil(($presentationduration - $start) / $duration);
//get segment number
}
$startnumber = $Period_arr[$k]['SegmentTemplate']['startNumber'];
// get first number in segment
$initialization = $Period_arr[$k]['SegmentTemplate']['initialization'];
// get initialization degment
if ($initialization != "") {
$Adapt_initialization_setflag = 1;
}
$media = $Period_arr[$k]['SegmentTemplate']['media'];
// get media template
// $timehash = null; // used only in segment timeline
$timehash = array();
// contains all segmenttimelines for all segments
if (!empty($Period_arr[$k]['SegmentTemplate']['SegmentTimeline'])) {
// in case of using Segment timeline
$timeseg = $Period_arr[$k]['SegmentTemplate']['SegmentTimeline'][0][0];
// get time segment
for ($lok = 0; $lok < sizeof($Period_arr[$k]['SegmentTemplate']['SegmentTimeline']); $lok++) {
// loop on segment time line
$d = $Period_arr[$k]['SegmentTemplate']['SegmentTimeline'][$lok][1];
// get d
$r = $Period_arr[$k]['SegmentTemplate']['SegmentTimeline'][$lok][2];
// get r
$te = $Period_arr[$k]['SegmentTemplate']['SegmentTimeline'][$lok][0];
// get t
if ($r == 0) {
$timehash[] = $timeseg;
$timeseg = $timeseg + $d;
}
if ($r < 0) {
//Repeat untill the last segment within presentation
if (!isset($Period_arr[$k]['SegmentTemplate']['SegmentTimeline'][$lok + 1])) {
$ende = $presentationduration * $timescale;
} else {
$ende = $Period_arr[$k]['SegmentTemplate']['SegmentTimeline'][$lok + 1];
}
$ende = $ende;
while ($timeseg < $ende) {
// calculate time segment until the end of duration
$timehash[] = $timeseg;
//contain duration of all segments cumulatively
$timeseg = $timeseg + $d;
}
}
if ($r > 0) {
for ($cn = 0; $cn <= $r; $cn++) {
// repeat untill the amount of repeat is finished
$timehash[] = $timeseg;
$timeseg = $timeseg + $d;
}
}
}
}
}
for ($j = 0; $j < sizeof($Period_arr[$k]['Representation']['bandwidth']); $j++) {
// loop on adaptationset level
$direct = $dir;
if ($Baseurl === true) {
// incase of using Base url
if (!isset($perioddepth[0])) {
// period doesn't contain any baseurl infromation
$perioddepth[0] = "";
}
if (!isset($adaptsetdepth[$k])) {
// adaptation set doesn't contain any baseurl information
$adaptsetdepth[$k] = "";
}
$direct = $dir . $perioddepth[0] . $adaptsetdepth[$k];
// combine baseURLs in both period level and adaptationset level
}
if (!empty($Period_arr[$k]['Representation']['SegmentTemplate'][$j])) {
// in case of using segmenttemplate
$duration = $Period_arr[$k]['Representation']['SegmentTemplate'][$j]['duration'];
// get segment duration attribute
if (!empty($Period_arr[$k]['Representation']['SegmentTemplate'][$j]['timescale'])) {
//get time scale
$timescale = $Period_arr[$k]['Representation']['SegmentTemplate'][$j]['timescale'];
} else {
$timescale = 1;
}
// set to 1 if not avaliable
if ($duration != 0) {
$duration = $duration / $timescale;
// get duration scaled
$segmentno = ceil(($presentationduration - $start) / $duration);
// get number of segments
//print_r2($startnumber);
}
$startnumber = $Period_arr[$k]['Representation']['SegmentTemplate'][$j]['startNumber'];
// get start number
if ($Adapt_initialization_setflag == 0) {
$initialization = $Period_arr[$k]['Representation']['SegmentTemplate'][$j]['initialization'];
// get initialization
}
$media = $Period_arr[$k]['Representation']['SegmentTemplate'][$j]['media'];
// get media template
if (!empty($Period_arr[$k]['Representation']['SegmentTemplate'][$j]['SegmentTimeline'])) {
// check timeline
$timeseg = $Period_arr[$k]['Representation']['SegmentTemplate'][$j]['SegmentTimeline'][0][0];
// segment start time
for ($lok = 0; $lok < sizeof($Period_arr[$k]['Representation']['SegmentTemplate'][$j]['SegmentTimeline']); $lok++) {
//loop on timeline
$timehash = array();
//contains time tag for each segment
$d = $Period_arr[$k]['Representation']['SegmentTemplate'][$j]['SegmentTimeline'][$lok][1];
//get d
$r = $Period_arr[$k]['Representation']['SegmentTemplate'][$j]['SegmentTimeline'][$lok][2];
//get r
$te = $Period_arr[$k]['Representation']['SegmentTemplate'][$j]['SegmentTimeline'][$lok][0];
//get te
if ($r == 0) {
// no duration repeat
$timehash[] = $timeseg;
//segment time stamp is same as segment time
$timeseg = $timeseg + $d;
}
if ($r < 0) {
// segments untill the end of presentation duration
if (!isset($Period_arr[$k]['Representation']['SegmentTemplate'][$j]['SegmentTimeline'][$lok + 1])) {
$ende = $presentationduration * $timescale;
} else {
$ende = $Period_arr[$k]['Representation']['SegmentTemplate'][$j]['SegmentTimeline'][$lok + 1];
}
$ende = $ende;
while ($timeseg < $ende) {
$timehash[] = $timeseg;
$timeseg = $timeseg + $d;
//get time stamp for each segment by adding segment duration to previous time stamp
}
} else {
for ($cn = 0; $cn <= $r; $cn++) {
//if r is positive number
$timehash[] = $timeseg;
$timeseg = $timeseg + $d;
// add duration to time segment to get time stamp for each segment
}
}
}
}
}
$bandwidth = $Period_arr[$k]['Representation']['bandwidth'][$j];
// get bandwidth of given representation
$id = $Period_arr[$k]['Representation']['id'][$j];
// get id of given representation
$init = str_replace(array('$Bandwidth$', '$RepresentationID$'), array($bandwidth, $id), $initialization);
//get initialization segment template is replaced by bandwidth and id
//test is $direct contains "/" in the end
if (substr($direct, -1) == '/') {
$initurl = $direct . $init;
} else {
$initurl = $direct . "/" . $init;
}
//full initialization URL
$segm_url[] = $initurl;
//add segment to URL
$timehashmask = 0;
// default value if timeline doesnt exist
if (!empty($timehash)) {
// if time line exist
$segmentno = sizeof($timehash);
// number of segments
$startnumber = 1;
// start number set to 1
$timehashmask = $timehash;
}
$signlocation = strpos($media, '%');
// clean media attribute from non existing values
if ($signlocation !== false) {
if ($signlocation - strpos($media, 'Number') === 6) {
$media = str_replace('$Number', '', $media);
}
}
if ($type === "dynamic") {
// if ($dom->getElementsByTagName('SegmentTimeline')->length !== 0) {
//TODO currently $duration and timing is not properly set
//get $duration from "d" attribute
//set proper timing from "t" attribute
//check "r" etc.
// }
$segmentinfo = dynamicnumber($bufferdepth, $duration, $AST, $start, $Period_arr);
$segmentno = $segmentinfo[1];
//Latest available segment number
$i = $segmentinfo[0];
// first segment in buffer
} else {
$i = 0;
}
while ($i < $segmentno) {
$segmenturl = str_replace(array('$Bandwidth$', '$Number$', '$RepresentationID$', '$Time$'), array($bandwidth, $i + $startnumber, $id, $timehashmask[$i]), $media);
//replace all media template values by actuall values
$segmenturl = sprintf($segmenturl, $startnumber + $i);
$segmenturl = str_replace('$', '', $segmenturl);
//clean segment url from any extra signs
$segmenturl = $direct . "/" . $segmenturl;
// get full segment url
$segm_url[] = removeabunchofslashes($segmenturl);
//add URL to segments URL array
$i++;
}
$adapt_url[] = $segm_url;
// contains all representations within certain adaptation set
$segm_url = array();
// delete segment url array and process the next representation
}
$period_url[] = $adapt_url;
// add all adaptationset urls to period array
$adapt_url = array();
// delete adaptationset array and process the next adaptation set
}
}
if ($Baseurl) {
// in case of using Base url node
for ($i = 0; $i < sizeof($period_baseurl); $i++) {
// loop on base url
if (!isset($perioddepth[0])) {
// if period doesn't contain baseurl
$perioddepth[0] = "";
}
for ($j = 0; $j < sizeof($period_baseurl[$i]); $j++) {
//loop on baseurl in adaptationset
if (!isset($adaptsetdepth[$i])) {
// if adaptationset doesn't contain baseurl
$adaptsetdepth[$i] = "";
}
for ($lo = 0; $lo < sizeof($period_baseurl[$i][$j]); $lo++) {
// loop on baseurl in period level
if (!isAbsoluteURL($period_baseurl[$i][$j][$lo])) {
$period_baseurl[$i][$j][$lo] = removeabunchofslashes($dir . $perioddepth[0] . '/' . $adaptsetdepth[$i] . '/' . $period_baseurl[$i][$j][$lo]);
}
//combine all baseurls
}
}
}
if ($setsegflag === false) {
$period_url = $period_baseurl;
}
// if segment template is not used, use baseurl
}
$_SESSION['period_url'] = $period_url;
// save all period urls in session variable
$_SESSION['Period_arr'] = $Period_arr;
//save all period parameters in session variable
$totarr[] = sizeof($period_url);
// get number of adaptation sets
for ($i = 0; $i < sizeof($period_url); $i++) {
// loop on periods
$totarr[] = sizeof($period_url[$i]);
//get number of represenations per adaptation set
}
$totarr[] = $periodCount;
$totarr[] = $foldername;
// add session name
$stri = json_encode($totarr);
// encode array to send to client
//print_r2($period_url);
if (isset($_SESSION['count1'])) {
// reset adaptationset counter before download start
unset($_SESSION['count1']);
}
if (isset($_SESSION['count2'])) {
//reset representation counter before download start
unset($_SESSION['count2']);
}
$_SESSION['type'] = $type;
$_SESSION['minBufferTime'] = $minBufferTime;
if ($setsegflag) {
// Segment template is used
if ($type === "dynamic") {
if ($dom->getElementsByTagName('SegmentTimeline')->length !== 0) {
$totarr[] = "dynamic";
$progressXML->dynamic = "true";
// Update progress.xml file with info on dynamic MPD.
$progressXML->asXml(trim($locate . '/progress.xml'));
$stri = json_encode($totarr);
//Send results to client
// echo $stri;
session_destroy();
//Destroy session
$progressXML->completed = "true";
$progressXML->completed->addAttribute('time', time());
$progressXML->asXml(trim($locate . '/progress.xml'));
echo $progressXML->asXML();
exit;
}
} else {
$progressXML->dynamic = "false";
$progressXML->asXml(trim($locate . '/progress.xml'));
}
}
//check if SegmentList exist
if ($dom->getElementsByTagName('SegmentList')->length !== 0) {
$progressXML->segmentList = "true";
$progressXML->asXml(trim($locate . '/progress.xml'));
$stri = json_encode($totarr);
//Send results to client
// echo $stri;
session_destroy();
//Destroy session
$progressXML->completed = "true";
$progressXML->completed->addAttribute('time', time());
$progressXML->asXml(trim($locate . '/progress.xml'));
echo $progressXML->asXML();
exit;
}
$ResultXML = $progressXML->addChild('Results');
// Create Results tree in progress.xml and updates tree later.
for ($i1 = 0; $i1 < $periodCount; $i1++) {
$PeriodXML = $ResultXML->addChild('Period');
for ($j1 = 0; $j1 < sizeof($period_url); $j1++) {
$AdaptationXML = $PeriodXML->addChild('Adaptation');
for ($k1 = 0; $k1 < sizeof($period_url[$j1]); $k1++) {
$RepXML = $AdaptationXML->addChild('Representation');
$RepXML->addAttribute('id', $k1 + 1);
}
}
}
$progressXML->asXml(trim($locate . '/progress.xml'));
// echo $stri; // send no. of periods,adaptationsets, representation, mpd file to client
// }
////////////////////////////////////////////////////////////////////////////////////
//if (isset($_POST['download'])) { // get request from client to download segments
//Segments are downloaded in a sequence and conformance results are written into progress.xml.
while ($count1 <= sizeof($period_url)) {
$root = dirname(__FILE__);
$destiny = array();
if ($count2 >= sizeof($period_url[$count1])) {
//check if all representations within a segment is downloaded
$count2 = 0;
// reset representation counter when new adaptation set is proccesed
$count1 = $count1 + 1;
// increase adapatationset counter
if ($count1 < sizeof($period_url)) {
//$AdaptationXML = $ResultXML->addChild('Adaptation');
//$AdaptationXML->addAttribute('id',$count1+1);
$progressXML->Progress->CurrentAdapt = $count1 + 1;
// Update currently running AdaptationSet, used in display status message.
$progressXML->asXml(trim($locate . '/progress.xml'));
}
}
if ($count1 >= sizeof($period_url)) {
//check if all adapatationsets is processed
error_log("AllAdaptDownloaded");
crossRepresentationProcess();
$missingexist = file_exists($locate . '/missinglink.txt');
//check if any broken urls is detected
if ($missingexist) {
$temp_string = str_replace(array('$Template$'), array("missinglink"), $string_info);
file_put_contents($locate . '/missinglink.html', $temp_string);
//create html file contains report for all missing segments
}
$file_error[] = "done";
for ($i = 0; $i < sizeof($Period_arr); $i++) {
// check all info files if they contain Error
if (file_exists($locate . '/Adapt' . $i . '_infofile.txt')) {
$searchadapt = file_get_contents($locate . '/Adapt' . $i . '_infofile.txt');
if (strpos($searchadapt, "Error") == false) {
$ResultXML->Period[0]->Adaptation[$i]->addChild('CrossRepresentation', 'noerror');
$file_error[] = "noerror";
// no error found in text file
} else {
$ResultXML->Period[0]->Adaptation[$i]->addChild('CrossRepresentation', 'error');
$file_error[] = "temp" . '/' . $foldername . '/' . 'Adapt' . $i . '_infofile.html';
// add error file location to array
}
} else {
$ResultXML->Period[0]->Adaptation[$i]->addChild('CrossRepresentation', 'noerror');
$file_error[] = "noerror";
}
$ResultXML->Period[0]->Adaptation[$i]->CrossRepresentation->addAttribute('url', str_replace($_SERVER['DOCUMENT_ROOT'], 'http://' . $_SERVER['SERVER_NAME'], $locate . '/Adapt' . $i . '_infofile.txt'));
$progressXML->asXml(trim($locate . '/progress.xml'));
}
session_destroy();
if ($missingexist) {
$ResultXML->addChild('BrokenURL', "error");
$ResultXML->BrokenURL->addAttribute('url', str_replace($_SERVER['DOCUMENT_ROOT'], 'http://' . $_SERVER['SERVER_NAME'], $locate . '/missinglink.txt'));
$file_error[] = "temp" . '/' . $foldername . '/missinglink.html';
} else {
$ResultXML->addChild('BrokenURL', "noerror");
$file_error[] = "noerror";
}
$send_string = json_encode($file_error);
//encode array to string and send it
error_log("ReturnFinish:" . $send_string);
// echo $send_string; // send string with location of all error logs to client
$progressXML->completed = "true";
$progressXML->completed->addAttribute('time', time());
$progressXML->asXml(trim($locate . '/progress.xml'));
echo $progressXML->asXML();
exit;
} else {
$repno = "Adapt" . $count1 . "rep" . $count2;
// presentation unique name
$pathdir = $locate . "/" . $repno . "/";
$progressXML->Progress->CurrentRep = $count2 + 1;
// Update currently running Representation, used in display status message.
$progressXML->asXml(trim($locate . '/progress.xml'));
error_log("Download_pathdir:" . $pathdir);
if (!file_exists($pathdir)) {
$oldmask = umask(0);
mkdir($pathdir, 0777, true);
// create folder for each presentation
umask($oldmask);
}
$tempcount1 = $count1;
//don't know why we need a buffer, but it only works this way with php 7
$sizearray = downloaddata($pathdir, $period_url[$count1][$count2]);
// download data
if ($sizearray !== 0) {
Assemble($pathdir, $period_url[$count1][$count2], $sizearray);
// Assemble all presentation in to one presentation
chmod($locate . '/' . "mdatoffset.txt", 0777);
rename($locate . '/' . "mdatoffset.txt", $locate . '/' . $repno . "mdatoffset.txt");
//rename txt file contains mdatoffset
$file_location = array();
$exeloc = dirname(__FILE__);
chdir($locate);
$timeSeconds = str_replace("PT", "", $minBufferTime);
$timeSeconds = str_replace("S", "", $timeSeconds);
$processArguments = " -minbuffertime " . $timeSeconds . " -bandwidth ";
$processArguments = $processArguments . $Period_arr[$count1]['Representation']['bandwidth'][$count2] . " ";
$processArguments = $processArguments . "-width ";
if ($Period_arr[$count1]['width'] === 0) {
$processArguments = $processArguments . $Period_arr[$count1]['Representation']['width'][$count2] . " -height ";
} else {
$processArguments = $processArguments . $Period_arr[$count1]['width'] . " -height ";
}
if ($Period_arr[$count1]['height'] === 0) {
$processArguments = $processArguments . $Period_arr[$count1]['Representation']['height'][$count2] . " ";
} else {
$processArguments = $processArguments . $Period_arr[$count1]['height'] . " ";
}
if ($type === "dynamic") {
$processArguments = $processArguments . "-dynamic ";
}
if ($Period_arr[$count1]['Representation']['startWithSAP'][$count2] != "") {
$processArguments = $processArguments . "-startwithsap " . $Period_arr[$count1]['Representation']['startWithSAP'][$count2] . " ";
}
if (strpos($Period_arr[$count1]['Representation']['profiles'][$count2], "urn:mpeg:dash:profile:isoff-on-demand:2011") !== false) {
$processArguments = $processArguments . "-isoondemand ";
}
if (strpos($Period_arr[$count1]['Representation']['profiles'][$count2], "urn:mpeg:dash:profile:isoff-live:2011") !== false) {
$processArguments = $processArguments . "-isolive ";
}
if (strpos($Period_arr[$count1]['Representation']['profiles'][$count2], "urn:mpeg:dash:profile:isoff-main:2011") !== false) {
$processArguments = $processArguments . "-isomain ";
}
$dash264 = false;
if (strpos($Period_arr[$count1]['Representation']['profiles'][$count2], "http://dashif.org/guidelines/dash264") !== false) {
$processArguments = $processArguments . "-dash264base ";
$dash264 = true;
}
if ($Period_arr[$count1]['Representation']['ContentProtectionElementCount'][$count2] > 0 && $dash264 == true) {
$processArguments = $processArguments . "-dash264enc ";
}
$processArguments = $processArguments . "-codecs ";
if ($Period_arr[$count1]['codecs'] === 0) {
$codecs = $Period_arr[$count1]['Representation']['codecs'][$count2];
} else {
$codecs = $Period_arr[$count1]['codecs'];
}
$processArguments = $processArguments . $codecs;
// add indexRange to process arguments to give it to MPD validator
if ($Period_arr[$count1]['Representation']['indexRange'][$count2] !== null) {
$indexRange = $Period_arr[$count1]['Representation']['indexRange'][$count2];
$processArguments = $processArguments . " -indexrange ";
$processArguments = $processArguments . $indexRange;
} elseif ($Period_arr[$count1]['indexRange'] !== null) {
$indexRange = $Period_arr[$count1]['indexRange'];
$processArguments = $processArguments . " -indexrange ";
$processArguments = $processArguments . $indexRange;
}
$processArguments = $processArguments . " -audiochvalue ";
if ($Period_arr[$count1]['AudioChannelValue'] === 0) {
$audioChValue = $Period_arr[$count1]['Representation']['AudioChannelValue'][$count2];
} else {
$audioChValue = $Period_arr[$count1]['AudioChannelValue'];
}
$processArguments = $processArguments . $audioChValue;
// $test= $Period_arr[$count1];
// $test1= $Period_arr[$count1]['Representation']['SegmentBase'];
// $test2= $Period_arr[$count1]['Representation']['SegmentBase']['RepresentationIndex'];
if ($Period_arr[$count1]['Representation']['SegmentTemplate']['RepresentationIndex'] !== null || $Period_arr[$count1]['Representation']['SegmentBase']['RepresentationIndex'] !== null || $Period_arr[$count1]['SegmentTemplate']['RepresentationIndex'] !== null || $Period_arr[$count1]['SegmentBase']['RepresentationIndex'] !== null) {
$processArguments = $processArguments . "-repIndex ";
}
error_log("validatemp4");
// Work out which validator binary to use
$validatemp4 = strtoupper(substr(PHP_OS, 0, 3)) === 'WIN' ? "validatemp4-vs2010.exe" : "ValidateMP4.exe";
$file_loc = $locate . "/config_file.txt";
$config_file = fopen($file_loc, "w");
fwrite($config_file, $locate . '/' . $repno . ".mp4 " . "\n");
fwrite($config_file, "-infofile" . "\n");
fwrite($config_file, $locate . '/' . $repno . ".txt" . "\n");
fwrite($config_file, "-offsetinfo" . "\n");
fwrite($config_file, $locate . '/' . $repno . "mdatoffset.txt" . "\n");
//fwrite($config_file, "-logconsole"."\n");
$piece = explode(" ", $processArguments);
foreach ($piece as $pie) {
if ($pie !== "") {
fwrite($config_file, $pie . "\n");
}
}
fclose($config_file);
$command = $locate . '/' . $validatemp4 . " -logconsole -configfile " . $file_loc;
file_put_contents("command.txt", $command);
exec($command);
//Excute conformance software
rename($locate . '/' . "leafinfo.txt", $locate . '/' . $repno . "_infofile.txt");
//Rename infor file to contain representation number (to avoid over writing
$file_location[] = "temp" . '/' . $foldername . '/' . $repno . "_infofile.html";
$destiny[] = $locate . '/' . $repno . "_infofile.txt";
rename($locate . '/' . "stderr.txt", $locate . '/' . $repno . "log.txt");
//Rename conformance software output file to representation number file
$temp_string = str_replace(array('$Template$'), array($repno . "log"), $string_info);
// this string shows a text file on HTML
file_put_contents($locate . '/' . $repno . "log.html", $temp_string);
// Create html file containing log file result
$file_location[] = "temp" . '/' . $foldername . '/' . $repno . "log.html";
// add it to file location which is sent to client to get URL of log file on server
$destiny[] = $locate . '/' . $repno . "log.txt";
$file_location[] = "temp" . '/' . $repno . "myfile.html";
$destiny[] = $locate . '/' . $repno . "myfile.txt";
$period_url[$count1][$count2] = null;
ob_flush();
$count2 = $count2 + 1;
$search = file_get_contents($locate . '/' . $repno . "log.txt");
//Search for errors within log file
if (strpos($search, "error") === false) {
//if no error , notify client with no error
$ResultXML->Period[0]->Adaptation[$tempcount1]->Representation[$count2 - 1] = "noerror";
$file_location[] = "noerror";
} else {
$ResultXML->Period[0]->Adaptation[$tempcount1]->Representation[$count2 - 1] = "error";
$file_location[] = "error";
//else notify client with error
}
$ResultXML->Period[0]->Adaptation[$tempcount1]->Representation[$count2 - 1]->addAttribute('url', str_replace($_SERVER['DOCUMENT_ROOT'], 'http://' . $_SERVER['SERVER_NAME'], $locate . '/' . $repno . "log.txt"));
$progressXML->asXml(trim($locate . '/progress.xml'));
$_SESSION['count2'] = $count2;
//Save the counters to session variables in order to use it the next time the client request download of next presentation
$_SESSION['count1'] = $count1;
$send_string = json_encode($file_location);
error_log("RepresentationDownloaded_Return:" . $send_string);
// echo $send_string;
} else {
$count2 = $count2 + 1;
$_SESSION['count2'] = $count2;
$_SESSION['count1'] = $count1;
$file_location[] = 'notexist';
$ResultXML->Period[0]->Adaptation[$tempcount1]->Representation[$count2 - 1] = "notexist";
$send_string = json_encode($file_location);
error_log("DownloadError_Return:" . $send_string);
// echo $send_string;
}
}
}
}
function processAdaptationset($Adapt, $periodProfiles, $periodBitstreamSwitching)
{
global $Adapt_arr, $Period_arr, $Adapt_urlbase, $adaptsetdepth, $Timeoffset, $perioddepth;
//var_dump($Adapt);
$dom = new DOMDocument('1.0');
$Adapt = $dom->importNode($Adapt, true);
$Adapt = $dom->appendChild($Adapt);
if ($Adapt->hasAttributes()) {
//Get some attributes from Adaptationset
$startWithSAP = $Adapt->getAttribute('startWithSAP');
$segmentAlignment = $Adapt->getAttribute('segmentAlignment');
$subsegmentAlignment = $Adapt->getAttribute('subsegmentAlignment');
$idadapt = $Adapt->getAttribute('id');
$scanType = $Adapt->getAttribute('scanType');
$mimeType = $Adapt->getAttribute('mimeType');
$codecs_AdaptSet = $Adapt->getAttribute('codecs');
// Get codecs, if present in Adaptation Set level
if (empty($codecs_AdaptSet)) {
$codecs_AdaptSet = 0;
}
$height_AdaptSet = $Adapt->getAttribute('height');
// Get height, if present in Adaptation Set level
if (empty($height_AdaptSet)) {
$height_AdaptSet = 0;
}
$width_AdaptSet = $Adapt->getAttribute('width');
// Get width, if present in Adaptation Set level
if (empty($width_AdaptSet)) {
$width_AdaptSet = 0;
}
$adapsetProfiles = $Adapt->getAttribute('profiles');
if ($adapsetProfiles === "") {
$adapsetProfiles = $periodProfiles;
}
$bitstreamSwitching = $Adapt->getAttribute('bitstreamSwitching');
if ($bitstreamSwitching === "") {
$bitstreamSwitching = $periodBitstreamSwitching;
}
$ContentProtection = $dom->getElementsByTagName("ContentProtection");
// Search for Content Protection element
$Contentcomponent = $dom->getElementsByTagName("ContentComponent");
//Search for content component attribute
$tr = $dom->childNodes->item(0)->nodeName;
if ($Contentcomponent->length > 0) {
//Check if content component exist
$tempContentcomponent = $Contentcomponent->item(0);
$contentType = $tempContentcomponent->getAttribute('contentType');
//Get content type
}
$Adapt_segmentbase = $Adapt->getElementsByTagName('SegmentBase');
//If segment base exist
$Adapt_Timeoffset = 0;
for ($i = 0; $i < $Adapt_segmentbase->length; $i++) {
$base = $Adapt_segmentbase->item(0);
$par = $base->parentNode;
$name = $par->tagName;
if ($name === 'AdaptationSet') {
// Check if segment base is direct child of Adapatationset
$basearray = processSegmentBase($base);
//Process segmentbase
if (!empty($basearray[0])) {
$Adapt_Timeoffset = $basearray[0];
}
//Get timeoffset
if (!empty($basearray[1])) {
$timescale = $basearray[1];
}
//get timescale
if (!empty($basearray[2])) {
$indexRange_AdaptSet = $basearray[2];
//return array contains indexRange
}
}
}
if ($Adapt_Timeoffset === 0) {
// if timeoffset exist then It has to replace the one existed on higher nodes
$Adapt_Timeoffset = $Timeoffset;
}
$baseurl = $Adapt->getElementsByTagName("BaseURL");
// check and process baseurl node if it exist in adapationset level
// $adaptsetdepth = array();
for ($i = 0; $i < $baseurl->length; $i++) {
$base = $baseurl->item($i);
$par = $base->parentNode;
$name = $par->tagName;
if ($name == 'AdaptationSet') {
//Confirm Baseurl is direct child of adapationset
$Adaptbase = $base->nodeValue;
$adaptsetdepth[] = $Adaptbase;
// Cumulative baseURL
if (isAbsoluteURL($Adaptbase)) {
// if baseurl is absolute URL, do not use the location of MPD as base URL:
$dir = "";
$perioddepth[0] = "";
}
}
}
$rep_seg_temp = array();
$segmenttemplate = $dom->getElementsByTagName("SegmentTemplate");
//Check if segment template exist in adaptationSet level
if ($segmenttemplate->length > 0) {
$Adapt_seg_temp_setflag = 0;
for ($i = 0; $i < $segmenttemplate->length; $i++) {
$seg_arr = array();
$seg = $segmenttemplate->item($i);
$par = $seg->parentNode;
$name = $par->tagName;
if ($name == "AdaptationSet") {
$Adapt_seg_temp = processTemplate($seg);
$Adapt_seg_temp_setflag = 1;
} else {
if (!$Adapt_seg_temp_setflag) {
$Adapt_seg_temp = null;
}
}
}
} else {
$Adapt_seg_temp = 0;
}
//Check if AudioChannelConfiguration exists at AdapatationSet level.
$audioChannelConfig_Adapt = $Adapt->getElementsByTagName("AudioChannelConfiguration");
if ($audioChannelConfig_Adapt->length > 0) {
$audioCh_Adapt_item = $audioChannelConfig_Adapt->item(0);
$parNode = $audioCh_Adapt_item->parentNode;
$parName = $parNode->tagName;
if ($parName == "AdaptationSet") {
$audioCh_Adapt_value = $audioCh_Adapt_item->getAttribute('value');
} else {
$audioCh_Adapt_value = 0;
}
} else {
$audioCh_Adapt_value = 0;
}
$Representation = $dom->getElementsByTagName("Representation");
//Get representations node within Adapatationset
if ($Representation->length > 0) {
$rep_url = array();
$rep_seg_temp = array();
//Iterate on all representations within the given Adapatationset
for ($i = 0; $i < $Representation->length; $i++) {
$lastbase = array();
// Contains the latest BaseURL if exist
$temprep = $Representation->item($i);
$repbaseurl = $temprep->getElementsByTagName('BaseURL');
//check if representation contains BaseURL
$Rep_segmentbase = $temprep->getElementsByTagName('SegmentBase');
//Check if segment Base exist
if ($Rep_segmentbase->length > 0) {
$base = $Rep_segmentbase->item(0);
$segarray[] = processSegmentBase($base);
// Process segment base
if (!empty($segarray[$i][0])) {
$Rep_Timeoffset[] = $segarray[$i][0];
} else {
$Rep_Timeoffset[] = $Adapt_Timeoffset;
}
// if not exist get the upper timeoffset
if (!empty($segarray[$i][1])) {
$timescale = $segarray[$i][1];
}
// get timescale if exist
if (!empty($segarray[$i][2])) {
$indexRange_RepSet[] = $segarray[$i][2];
}
//get index range if it exists
} else {
$Rep_Timeoffset[] = $Adapt_Timeoffset;
}
// if not exist get the upper timeoffset
for ($j = 0; $j < $repbaseurl->length; $j++) {
// Get baseurl and Iterate it
$base = $repbaseurl->item($j);
// baseURL
$lastbase[] = $base->nodeValue;
// the last compnent in BaseURL
}
$rep_url[] = $lastbase;
// add them in baseURL
$repsegment = $temprep->getElementsByTagName("SegmentTemplate");
//In case presentation use SegmentTemplate
$pass_seg = $repsegment->item(0);
if ($repsegment->length > 0) {
$rep_seg_temp[$i] = processTemplate($pass_seg);
}
//Process segmentTemplate
$idvar = $temprep->getAttribute('id');
// Get presentation ID
if (empty($idvar)) {
$idvar = 0;
}
$id[$i] = $idvar;
// save id within array of ID
//Get some Attributes from Presentation
$repStartWithSAP[$i] = $temprep->getAttribute('startWithSAP');
if ($repStartWithSAP[$i] === "") {
$repStartWithSAP[$i] = $startWithSAP;
}
$repProfiles[$i] = $temprep->getAttribute('profiles');
if ($repProfiles[$i] === "") {
$repProfiles[$i] = $adapsetProfiles;
}
$codecsvar = $temprep->getAttribute('codecs');
if (empty($codecsvar)) {
$codecsvar = 0;
}
$codecs[$i] = $codecsvar;
$widthvar = $temprep->getAttribute('width');
if (empty($widthvar)) {
$widthvar = 0;
}
$width[$i] = $widthvar;
$heightvar = $temprep->getAttribute('height');
if (empty($heightvar)) {
$heightvar = 0;
}
$height[$i] = $heightvar;
if (empty($scantypevar)) {
$scantypevar = $temprep->getAttribute('scanType');
}
if (empty($scantypevar)) {
$scantypevar = 0;
}
$scanType = $scantypevar;
$frameRatevar = $temprep->getAttribute('frameRate');
if (empty($frameRatevar)) {
$frameRatevar = 0;
}
$frameRate[$i] = $frameRatevar;
$sarvar = $temprep->getAttribute('sar');
if (empty($sarvar)) {
$sarvar = 0;
}
$sar[$i] = $sarvar;
$bandwidthvar = $temprep->getAttribute('bandwidth');
if (empty($bandwidthvar)) {
$bandwidthvar = 0;
}
$bandwidth[$i] = $bandwidthvar;
if ($temprep->hasAttribute('timescale')) {
$timescale = $temprep->getAttribute('timescale');
}
$ContentProtectionElementCountRep[$i] = $temprep->getElementsByTagName("ContentProtection")->length;
//Process ContentProtection
if ($ContentProtectionElementCountRep[$i] == 0) {
$ContentProtectionElementCountRep[$i] = $ContentProtection->length;
}
$audioChannelConfig_Rep = $temprep->getElementsByTagName('AudioChannelConfiguration');
//Check if AudioChannelConfiguration exists
if ($audioChannelConfig_Rep->length > 0) {
$audioCh_Rep_item = $audioChannelConfig_Rep->item(0);
$audioCh_Rep_value = $audioCh_Rep_item->getAttribute('value');
$audioCh_value[$i] = $audioCh_Rep_value;
} else {
$audioCh_value[$i] = 0;
}
}
}
}
$Adapt_urlbase = $rep_url;
//Incase of using BaseURL just add all BaseURLs within array containint all presentations
//Array of each presentation containing all attributes and nodes within Presentations
$Rep_arr = array('id' => $id, 'codecs' => $codecs, 'width' => $width, 'height' => $height, 'scanType' => $scanType, 'frameRate' => $frameRate, 'sar' => $sar, 'bandwidth' => $bandwidth, 'SegmentTemplate' => $rep_seg_temp, 'SegmentBase' => $segarray, 'startWithSAP' => $repStartWithSAP, 'profiles' => $repProfiles, 'ContentProtectionElementCount' => $ContentProtectionElementCountRep, 'presentationTimeOffset' => $Rep_Timeoffset, 'timescale' => $timescale, 'AudioChannelValue' => $audioCh_value, 'indexRange' => $indexRange_RepSet);
// Array of all adapationsets containing all attributes and nodes including Presentations
$Adapt_arr = array('startWithSAP' => $startWithSAP, 'segmentAlignment' => $segmentAlignment, 'subsegmentAlignment' => $subsegmentAlignment, 'bitstreamSwitching' => $bitstreamSwitching, 'id' => $idadapt, 'scanType' => $scanType, 'mimeType' => $mimeType, 'SegmentTemplate' => $Adapt_seg_temp, 'SegmentBase' => $basearray, 'codecs' => $codecs_AdaptSet, 'width' => $width_AdaptSet, 'height' => $height_AdaptSet, 'Representation' => $Rep_arr, 'AudioChannelValue' => $audioCh_Adapt_value, 'indexRange' => $indexRange_AdaptSet);
/* $Rep_arr=array('id'=>$id,'codecs'=>$codecs,'width'=>$width,'height'=>$height,'scanType'=>$scanType,'frameRate'=>$frameRate,
'sar'=>$sar,'bandwidth'=>$bandwidth,'SegmentTemplate'=>$rep_seg_temp, 'startWithSAP'=>$repStartWithSAP, 'profiles'=>$repProfiles,
'ContentProtectionElementCount'=>$ContentProtectionElementCountRep,'presentationTimeOffset'=>$Rep_Timeoffset,'timescale'=>$timescale,'AudioChannelValue'=>$audioCh_value);
// Array of all adapationsets containing all attributes and nodes including Presentations
$Adapt_arr=array('startWithSAP'=>$startWithSAP,'segmentAlignment'=>$segmentAlignment,'subsegmentAlignment'=>$subsegmentAlignment,'bitstreamSwitching'=>$bitstreamSwitching, 'id'=>$idadapt,'scanType'=>$scanType,'mimeType'=>$mimeType,'SegmentTemplate'=>$Adapt_seg_temp,'codecs'=>$codecs_AdaptSet,'width'=>$width_AdaptSet,'height'=>$height_AdaptSet,'Representation'=>$Rep_arr,'AudioChannelValue'=>$audioCh_Adapt_value);
*/
}
/**
* Takes in a url, determines whether that url is foreign or not
* and returns a boolean
*
* @param string $url
*
* @author Andrew Darwin <*****@*****.**>
*/
function is_link_external($url)
{
global $domainName;
global $DEBUG;
$header = "is_link_external(): ";
logMessage("{$header} Input link = '{$url}'");
$is_external = false;
$relativeTeamPathUnderWWW = getAdjustedCurrentDirectory();
logMessage("{$header} relativeTeamPathUnderWWW = " . "'{$relativeTeamPathUnderWWW}'");
$strippedURL = getLocalPathFromURL($url);
$strippedURL = stripLeadingSlash($strippedURL);
$relativeTeamPathUnderWWW = stripLeadingSlash($relativeTeamPathUnderWWW);
if ($DEBUG && isAbsoluteURL($url)) {
$prototypeName = getDirectoryNameFromPath($relativeTeamPathUnderWWW);
$relativeTeamPathUnderWWW = getSubstringOfABeforeOccuranceOfB($relativeTeamPathUnderWWW, $prototypeName);
}
logMessage("{$header} Stripped url = '{$strippedURL}'");
if (directoryAIsChildOfDirectoryB($strippedURL, $relativeTeamPathUnderWWW)) {
logMessage("{$header} '{$strippedURL}' is a child of " . "'{$relativeTeamPathUnderWWW}'. Set external to false.");
$is_external = false;
} else {
$is_external = true;
logMessage("{$header} '{$strippedURL}' is not a child of " . "'{$relativeTeamPathUnderWWW}'. Set external to true.");
}
return $is_external;
}
