Index: src/wp-admin/includes/media.php
===================================================================
--- src/wp-admin/includes/media.php	(revision 27425)
+++ src/wp-admin/includes/media.php	(working copy)
@@ -2634,13 +2634,13 @@
 	<?php
 	elseif ( $attachment_id && 0 === strpos( $post->post_mime_type, 'audio/' ) ):
 
-		maybe_regenerate_attachment_metadata( $post );
+		wp_maybe_generate_attachment_metadata( $post );
 
 		echo wp_audio_shortcode( array( 'src' => $att_url ) );
 
 	elseif ( $attachment_id && 0 === strpos( $post->post_mime_type, 'video/' ) ):
 
-		maybe_regenerate_attachment_metadata( $post );
+		wp_maybe_generate_attachment_metadata( $post );
 
 		$meta = wp_get_attachment_metadata( $attachment_id );
 		$w = ! empty( $meta['width'] ) ? min( $meta['width'], 640 ) : 0;