[FFmpeg-cvslog] vf_frei0r: do not increment string if it reached the end

[Vittorio Giovara]

ffmpeg | branch: master | Vittorio Giovara <vittorio.giov...@gmail.com> | Fri 
Dec  5 02:15:09 2014 +0000| [d0b224054f13bf57244694a3ff092cfef68d66f9] | 
committer: Vittorio Giovara

vf_frei0r: do not increment string if it reached the end

Bug-Id: 778
CC: libav-sta...@libav.org

> http://git.videolan.org/gitweb.cgi/ffmpeg.git/?a=commit;h=d0b224054f13bf57244694a3ff092cfef68d66f9
---

 libavfilter/vf_frei0r.c |    3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/libavfilter/vf_frei0r.c b/libavfilter/vf_frei0r.c
index 771443d..0122b8d 100644
--- a/libavfilter/vf_frei0r.c
+++ b/libavfilter/vf_frei0r.c
@@ -149,7 +149,8 @@ static int set_params(AVFilterContext *ctx, const char 
*params)
         if (*params) {
             if (!(param = av_get_token(&params, "|")))
                 return AVERROR(ENOMEM);
-            params++;               /* skip ':' */
+            if (*params)
+                params++;               /* skip ':' */
             ret = set_param(ctx, info, i, param);
             av_free(param);
             if (ret < 0)

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