function dozent_get_video( $post_ID = 0, $key = null ) {
		$post_ID = dozent_get_post_id( $post_ID );

		$video = (array) maybe_unserialize( get_post_meta( $post_ID, '_video', true ) );
		$video_source = dozent_array_get( 'source', $video );

		if ( $video_source === 'html5' ) {
			$video_id   = dozent_array_get( 'html5_video_id', $video );
			$video_info = (array) maybe_unserialize( get_post_meta( $video_id, '_wp_attachment_metadata', true ) );

			if ( $video_info ) {
				$path                      = get_attached_file( $video_id );
				$video['filesize']         = dozent_array_get( 'length', $video_info );
				$video['mime_type']        = dozent_array_get( 'mime_type', $video_info );
				$video['length']           = dozent_array_get( 'length', $video_info );
				$video['length_formatted'] = dozent_array_get( 'length_formatted', $video_info );
				$video['path']             = $path;
				$video['url']              = wp_get_attachment_url( $video_id );
				$video['ext']              = strtolower( pathinfo( $path, PATHINFO_EXTENSION ) );
			}
		}

		if ( $key ) {
			return dozent_array_get( $key, $video );
		}

		return $video;
	}