--- video_upload.module	2007-04-08 01:09:22.000000000 +0300
+++ video_upload1.module	2007-04-08 02:15:14.000000000 +0300
@@ -211,6 +211,14 @@
     $temppath = file_directory_temp() . '/video/';
     file_check_directory($temppath, TRUE);
     $node->video_upload_file = file_save_upload($file, $temppath .'/'. $file->filename, FILE_EXISTS_REPLACE);
+
+    //remove spaces and force to lowercase ------------------
+    $incoming_file = $node->video_upload_file->filepath;
+    $new_file_name = strtolower(str_replace(' ', '_', $incoming_file)); 
+    rename($incoming_file, $new_file_name);
+    $node->video_upload_file->filepath = $new_file_name;
+    $node->video_upload_file->filename = strtolower(str_replace(' ', '_', $node->video_upload_file->filename));
+
     $node->video_upload_file->newfile = TRUE;
     
     // set video size