[FFmpeg-cvslog] vf_gradfun: make config_props work properly when called multiple times.

[Anton Khirnov]

ffmpeg | branch: master | Anton Khirnov <anton at khirnov.net> | Mon Mar 18 21:31:54 2013 +0100| [87c31cfd7a2cd7893c589b4f25d6d45b196e20c1] | committer: Anton Khirnov

vf_gradfun: make config_props work properly when called multiple times.

> http://git.videolan.org/gitweb.cgi/ffmpeg.git/?a=commit;h=87c31cfd7a2cd7893c589b4f25d6d45b196e20c1
---

 libavfilter/vf_gradfun.c |    1 +
 1 file changed, 1 insertion(+)

diff --git a/libavfilter/vf_gradfun.c b/libavfilter/vf_gradfun.c
index 402e3b5..8ed706d 100644
--- a/libavfilter/vf_gradfun.c
+++ b/libavfilter/vf_gradfun.c
@@ -166,6 +166,7 @@ static int config_input(AVFilterLink *inlink)
     int hsub = desc->log2_chroma_w;
     int vsub = desc->log2_chroma_h;
 
+    av_freep(&s->buf);
     s->buf = av_mallocz((FFALIGN(inlink->w, 16) * (s->radius + 1) / 2 + 32) * sizeof(uint16_t));
     if (!s->buf)
         return AVERROR(ENOMEM);