Ticket #26825: 26825-prepare.diff

src/wp-includes/media.php

@@ -1783 +1783 @@
         else
                 list( $type, $subtype ) = array( $attachment->post_mime_type, '' );
 
+        // For audio/video, check for existence of meta_key when $meta is empty
+        if ( in_array( $type, array( 'audio', 'video' ) ) && empty( $meta ) ) {
+                $_meta = get_post_meta( $attachment->ID );
+                if ( ! array_key_exists( '_wp_attachment_metadata', $_meta ) ) {
+                        // Regenerate the metadata if the file exists
+                        $file = get_attached_file( $attachment->ID );
+                        $meta = wp_generate_attachment_metadata( $attachment->ID, $file );
+                        if ( file_exists( $file ) ) {
+                                wp_update_attachment_metadata( $attachment->ID, $meta );
+                        }
+                }
+        }
+
         $attachment_url = wp_get_attachment_url( $attachment->ID );
 
         $response = array(