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CC-2301 : testing default crossfade settings

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This commit is contained in:
Naomi 2013-05-02 16:15:21 -04:00
parent 2b5a8b0d4b
commit 517bb7557a
6 changed files with 137 additions and 24 deletions
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109
airtime_mvc/application/models/Scheduler.php
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@ -17,6 +17,8 @@ class Application_Model_Scheduler
private $epochNow;
private $nowDT;
private $user;
private $crossfadeDuration;
private $checkUserPermissions = true;
@ -38,6 +40,8 @@ class Application_Model_Scheduler
}
$this->user = Application_Model_User::getCurrentUser();
$this->crossfadeDuration = Application_Model_Preference::GetDefaultCrossfadeDuration();
}
public function setCheckUserPermissions($value)
@ -201,12 +205,9 @@ class Application_Model_Scheduler
$data["cuein"] = $file->getDbCuein();
$data["cueout"] = $file->getDbCueout();
$defaultFade = Application_Model_Preference::GetDefaultFade();
if (isset($defaultFade)) {
//fade is in format SS.uuuuuu
$data["fadein"] = $defaultFade;
$data["fadeout"] = $defaultFade;
}
//fade is in format SS.uuuuuu
$data["fadein"] = Application_Model_Preference::GetDefaultFadeIn();
$data["fadeout"] = Application_Model_Preference::GetDefaultFadeOut();
$files[] = $data;
}
@ -260,12 +261,11 @@ class Application_Model_Scheduler
$cuein = Application_Common_DateHelper::calculateLengthInSeconds($data["cuein"]);
$cueout = Application_Common_DateHelper::calculateLengthInSeconds($data["cueout"]);
$data["cliplength"] = Application_Common_DateHelper::secondsToPlaylistTime($cueout - $cuein);
$defaultFade = Application_Model_Preference::GetDefaultFade();
if (isset($defaultFade)) {
//fade is in format SS.uuuuuu
$data["fadein"] = $defaultFade;
$data["fadeout"] = $defaultFade;
}
//fade is in format SS.uuuuuu
$data["fadein"] = Application_Model_Preference::GetDefaultFadeIn();
$data["fadeout"] = Application_Model_Preference::GetDefaultFadeOut();
$data["type"] = 0;
$files[] = $data;
}
@ -286,12 +286,9 @@ class Application_Model_Scheduler
$data["cueout"] = $stream->getDbLength();
$data["type"] = 1;
$defaultFade = Application_Model_Preference::GetDefaultFade();
if (isset($defaultFade)) {
//fade is in format SS.uuuuuu
$data["fadein"] = $defaultFade;
$data["fadeout"] = $defaultFade;
}
//fade is in format SS.uuuuuu
$data["fadein"] = Application_Model_Preference::GetDefaultFadeIn();
$data["fadeout"] = Application_Model_Preference::GetDefaultFadeOut();
$files[] = $data;
}
@ -321,12 +318,11 @@ class Application_Model_Scheduler
$cuein = Application_Common_DateHelper::calculateLengthInSeconds($data["cuein"]);
$cueout = Application_Common_DateHelper::calculateLengthInSeconds($data["cueout"]);
$data["cliplength"] = Application_Common_DateHelper::secondsToPlaylistTime($cueout - $cuein);
$defaultFade = Application_Model_Preference::GetDefaultFade();
if (isset($defaultFade)) {
//fade is in format SS.uuuuuu
$data["fadein"] = $defaultFade;
$data["fadeout"] = $defaultFade;
}
//fade is in format SS.uuuuuu
$data["fadein"] = Application_Model_Preference::GetDefaultFadeIn();
$data["fadeout"] = Application_Model_Preference::GetDefaultFadeOut();
$data["type"] = 0;
$files[] = $data;
}
@ -336,6 +332,31 @@ class Application_Model_Scheduler
return $files;
}
/*
* @param DateTime startDT in UTC
* @param string duration
* in format H:i:s.u (could be more that 24 hours)
*
* @return DateTime endDT in UTC
*/
private function findTimeDifference($p_startDT, $p_seconds)
{
$startEpoch = $p_startDT->format("U.u");
//add two float numbers to 6 subsecond precision
//DateTime::createFromFormat("U.u") will have a problem if there is no decimal in the resulting number.
$newEpoch = bcsub($startEpoch , (string) $p_seconds, 6);
$dt = DateTime::createFromFormat("U.u", $newEpoch, new DateTimeZone("UTC"));
if ($dt === false) {
//PHP 5.3.2 problem
$dt = DateTime::createFromFormat("U", intval($newEpoch), new DateTimeZone("UTC"));
}
return $dt;
}
/*
* @param DateTime startDT in UTC
@ -393,6 +414,43 @@ class Application_Model_Scheduler
return $nextDT;
}
/*
* @param int $showInstance
* This function recalculates the start/end times of items in a gapless show to
* account for crossfade durations.
*/
private function calculateCrossfades($showInstance)
{
Logging::info("adjusting start, end times of scheduled items to account for crossfades show instance #".$showInstance);
$instance = CcShowInstancesQuery::create()->findPK($showInstance, $this->con);
if (is_null($instance)) {
throw new OutDatedScheduleException(_("The schedule you're viewing is out of date!"));
}
$itemStartDT = $instance->getDbStarts(null);
$itemEndDT = null;
$schedule = CcScheduleQuery::create()
->filterByDbInstanceId($showInstance)
->orderByDbStarts()
->find($this->con);
foreach ($schedule as $item) {
$itemEndDT = $item->getDbEnds(null);
$item
->setDbStarts($itemStartDT)
->setDbEnds($itemEndDT);
$itemStartDT = $this->findTimeDifference($itemEndDT, $this->crossfadeDuration);
$itemEndDT = $this->findEndTime($itemStartDT, $item->getDbClipLength());
}
$schedule->save($this->con);
}
/*
* @param int $showInstance
@ -648,6 +706,8 @@ class Application_Model_Scheduler
$pend = microtime(true);
Logging::debug("adjusting all following items.");
Logging::debug(floatval($pend) - floatval($pstart));
$this->calculateCrossfades($instance->getDbId());
}
}//for each instance
@ -929,6 +989,7 @@ class Application_Model_Scheduler
foreach ($showInstances as $instance) {
$this->removeGaps($instance);
$this->calculateCrossfades($instance);
}
}