From bf22a172e7846c0a8e45c13f270546d036f957ad Mon Sep 17 00:00:00 2001
From: eugeni <eugeni@b3059339-0415-0410-9bf9-f77b7e298cf2>
Date: Sun, 30 Dec 2007 01:03:05 +0000
Subject: Return from ass_start_frame immediately if the track is empty.

git-svn-id: svn://svn.mplayerhq.hu/mplayer/trunk@25541 b3059339-0415-0410-9bf9-f77b7e298cf2
---
 libass/ass_render.c | 3 +++
 1 file changed, 3 insertions(+)

(limited to 'libass')

diff --git a/libass/ass_render.c b/libass/ass_render.c
index 5b97b8a2d4..9789be2f08 100644
--- a/libass/ass_render.c
+++ b/libass/ass_render.c
@@ -2102,6 +2102,9 @@ static int ass_start_frame(ass_renderer_t *priv, ass_track_t* track, long long n
 
 	if (!priv->settings.frame_width && !priv->settings.frame_height)
 		return 1; // library not initialized
+
+	if (track->n_events == 0)
+		return 1; // nothing to do
 	
 	frame_context.ass_priv = priv;
 	frame_context.width = global_settings->frame_width;
-- 
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