vo_opengl: improve queue size heuristic

The default scaling was a slight bit too low, which could cause buffer
underruns in some cases.

This should improve the result when using tscale filters other than
oversample. The oversample case should be unaffected.

1 files changed, 1 insertions, 1 deletions

diff --git a/video/out/gl_video.c b/video/out/gl_video.c
index ffe1aaaab9..c3b542d358 100644
--- a/video/out/gl_video.c
+++ b/video/out/gl_video.c
@@ -2442,7 +2442,7 @@ void gl_video_set_options(struct gl_video *p, struct gl_video_opts *opts,
         if (kernel) {
             double radius = kernel->radius;
             radius = radius > 0 ? radius : p->opts.scaler_radius[2];
-           *queue_size = 50e3 * (ceil(radius) - 1);
+           *queue_size = 50e3 * ceil(radius);
         }
     }