Fix crash in gradfun:end_frame() when inpic == outpic, so it has to be

freed just once. Originally committed as revision 26058 to svn://svn.ffmpeg.org/ffmpeg/trunk
14 years ago · 69b8d83ecf
parent ba68d9d3e1
commit 69b8d83ecf
1 changed files with 2 additions and 1 deletions
--- a/libavfilter/vf_gradfun.c
+++ b/libavfilter/vf_gradfun.c
@ -228,7 +228,8 @@ static void end_frame(AVFilterLink *inlink)
    avfilter_draw_slice(outlink, 0, inlink->h, 1);
    avfilter_end_frame(outlink);
    avfilter_unref_buffer(inpic);
-    avfilter_unref_buffer(outpic);
+    if (outpic != inpic)
+        avfilter_unref_buffer(outpic);
 }

 AVFilter avfilter_vf_gradfun = {