[FFmpeg-cvslog] lavfi/deshake: remove unecessary check before unref.

[Clément Bœsch]

ffmpeg | branch: master | Clément Bœsch <ubitux at gmail.com> | Thu Dec  6 16:14:38 2012 +0100| [0678641b7cffe63273683f589523ade98472687b] | committer: Clément Bœsch

lavfi/deshake: remove unecessary check before unref.

> http://git.videolan.org/gitweb.cgi/ffmpeg.git/?a=commit;h=0678641b7cffe63273683f589523ade98472687b
---

 libavfilter/vf_deshake.c |    3 +--
 1 file changed, 1 insertion(+), 2 deletions(-)

diff --git a/libavfilter/vf_deshake.c b/libavfilter/vf_deshake.c
index 5c562eb..68d7267 100644
--- a/libavfilter/vf_deshake.c
+++ b/libavfilter/vf_deshake.c
@@ -530,8 +530,7 @@ static int filter_frame(AVFilterLink *link, AVFilterBufferRef *in)
 
     // Store the current frame as the reference frame for calculating the
     // motion of the next frame
-    if (deshake->ref != NULL)
-        avfilter_unref_buffer(deshake->ref);
+    avfilter_unref_buffer(deshake->ref);
 
     // Cleanup the old reference frame
     deshake->ref = in;