videplayer: fix a crash during laggy playback

diff --git a/videoplayer/src/main.rs b/videoplayer/src/main.rs
index 82fb56ffeca8c8aafcdcf4489d019a2ef069625a..bd603106395db23ab852a4af1fb49a8d95754715 100644 (file)
--- a/videoplayer/src/main.rs
+++ b/videoplayer/src/main.rs
@@ -320,7 +320,7 @@ fn try_display(disp_queue: &mut DispQueue, canvas: &mut Canvas<Window>, osd: &mu
 
             disp_queue.move_start();
             if !disp_queue.is_empty() {
-                return Some((disp_queue.first_ts - ctime).saturating_sub(2));
+                return Some(disp_queue.first_ts.saturating_sub(ctime).saturating_sub(2));
             } else {
                 return None;
             }