Fisheye: fix video thumbnail regeneration and gateway timeout

- FisheyeImage::renderThumbnails: route video/* mime types through
  mime_video_create_thumbnail() instead of liberty_generate_thumbnails()
  which only handles images — fixes regeneration of existing stored videos
- edit.php: send redirect before generateGalleryThumbnails() using
  fastcgi_finish_request() so the browser is released immediately and
  bulk thumbnail generation runs in background without nginx timeout

Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>

1 files changed, 4 insertions, 1 deletions

diff --git a/edit.php b/edit.php
index eec9898..c8749cc 100755
--- a/edit.php
+++ b/edit.php
@@ -54,10 +54,13 @@ if( !empty( $_REQUEST['savegallery'] ) ) {
 		// set the mappings, or if nothing checked, nuke them all
 		$gContent->addToGalleries( !empty( $_REQUEST['gallery_additions'] ) ? $_REQUEST['gallery_additions'] : null );
 
+		header("location: ".$gContent->getDisplayUrl() );
 		if( !empty( $_REQUEST['generate_thumbnails'] ) ) {
+			if( function_exists( 'fastcgi_finish_request' ) ) {
+				fastcgi_finish_request();
+			}
 			$gContent->generateGalleryThumbnails();
 		}
-		header("location: ".$gContent->getDisplayUrl() );
 		die();
 	}
 } elseif( !empty( $_REQUEST['delete'] ) ) {