WP_Widget_Media_Video::__construct

	public function __construct() {
		parent::__construct(
			'media_video',
			__( 'Video' ),
			array(
				'description' => __( 'Displays a video from the media library or from YouTube, Vimeo, or another provider.' ),
				'mime_type'   => 'video',
			)
		);

		$this->l10n = array_merge(
			$this->l10n,
			array(
				'no_media_selected'          => __( 'No video selected' ),
				'add_media'                  => _x( 'Add Video', 'label for button in the video widget' ),
				'replace_media'              => _x( 'Replace Video', 'label for button in the video widget; should preferably not be longer than ~13 characters long' ),
				'edit_media'                 => _x( 'Edit Video', 'label for button in the video widget; should preferably not be longer than ~13 characters long' ),
				'missing_attachment'         => sprintf(
					/* translators: %s: URL to media library. */
					__( 'We can&#8217;t find that video. Check your <a href="%s">media library</a> and make sure it wasn&#8217;t deleted.' ),
					esc_url( admin_url( 'upload.php' ) )
				),
				/* translators: %d: Widget count. */
				'media_library_state_multi'  => _n_noop( 'Video Widget (%d)', 'Video Widget (%d)' ),
				'media_library_state_single' => __( 'Video Widget' ),
				/* translators: %s: A list of valid video file extensions. */
				'unsupported_file_type'      => sprintf( __( 'Sorry, we can&#8217;t load the video at the supplied URL. Please check that the URL is for a supported video file (%s) or stream (e.g. YouTube and Vimeo).' ), '<code>.' . implode( '</code>, <code>.', wp_get_video_extensions() ) . '</code>' ),
			)
		);
	}