[FFmpeg-cvslog] avfilter/vf_frei0r: fix out of array read

[Michael Niedermayer]

ffmpeg | branch: master | Michael Niedermayer <michaelni at gmx.at> | Fri Oct  4 11:16:35 2013 +0200| [02a6ee51685eb74f7a878dd49553ecc1f8da9fb2] | committer: Michael Niedermayer

avfilter/vf_frei0r: fix out of array read

Signed-off-by: Michael Niedermayer <michaelni at gmx.at>

> http://git.videolan.org/gitweb.cgi/ffmpeg.git/?a=commit;h=02a6ee51685eb74f7a878dd49553ecc1f8da9fb2
---

 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 8300176..67d25fb 100644
--- a/libavfilter/vf_frei0r.c
+++ b/libavfilter/vf_frei0r.c
@@ -151,7 +151,8 @@ 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)