protected function shiftMetaSize()
{
/*
* Injecting calculated keyframes
*/
$keyframes = new stdClass();
$keyframes->filepositions = $this->filepositions;
$keyframes->times = $this->times;
$this->metadata->keyframes = $keyframes;
$shift = parent::shiftMetaSize();
/*
* Shifting filepositions
*/
foreach ($this->filepositions as $key => $value) {
$this->filepositions[$key] = $value + $shift;
}
/*
* Updating keyframes with shifted filepositions
*/
$keyframes->filepositions = $this->filepositions;
$this->metadata->keyframes = $keyframes;
return $shift;
}
