[SCM] libav/experimental: vf_frei0r: prevent a segfault when filter parameters are not set

[siretart at users.alioth.debian.org]

The following commit has been merged in the experimental branch:
commit 4e0be9c86f2003dd3ba2eb8fad01e8d0e538075e
Author: Vittorio Giovara <vittorio.giovara at gmail.com>
Date:   Thu Feb 27 12:06:15 2014 +0100

    vf_frei0r: prevent a segfault when filter parameters are not set

diff --git a/libavfilter/vf_frei0r.c b/libavfilter/vf_frei0r.c
index b3ac61e..fde6e1a 100644
--- a/libavfilter/vf_frei0r.c
+++ b/libavfilter/vf_frei0r.c
@@ -459,6 +459,10 @@ static int source_config_props(AVFilterLink *outlink)
         av_log(ctx, AV_LOG_ERROR, "Impossible to load frei0r instance.\n");
         return AVERROR(EINVAL);
     }
+    if (!s->params) {
+        av_log(ctx, AV_LOG_ERROR, "frei0r filter parameters not set.\n");
+        return AVERROR(EINVAL);
+    }
 
     return set_params(ctx, s->params);
 }

-- 
Libav/FFmpeg packaging