public function updateFormatOptions(&$save_path) { parent::updateFormatOptions($save_path); // assign a post process so that qt-faststart (https://ffmpeg.org/trac/ffmpeg/wiki/UbuntuCompilationGuide#qt-faststart) changes the qt atom to allow fast streaming. if ($this->_post_process_qt_faststart === true) { $this->_media_object->registerOutputPostProcess(array($this, 'postProcessFastStart')); } return $this; }