Craft\EmbeddedAssetsController::actionParseUrl PHP Method

    public function actionParseUrl()
    {
        $this->requireAjaxRequest();
        $url = craft()->request->getPost('url');
        $media = craft()->embeddedAssets->parseUrl($url);
        $json = array('url' => $url);
        if ($media) {
            $json['success'] = true;
            $json['media'] = $media;
        } else {
            $json['success'] = false;
            $json['errors'] = array(Craft::t('Could not find any embeddable media from this URL.'));
        }
        $this->returnJson($json);
    }