From be1fb76fa11b0897d326782ddfb06624105a64bf Mon Sep 17 00:00:00 2001
From: Stefano Sabatini <stefano.sabatini-lala@poste.it>
Date: Thu, 14 May 2009 18:50:58 +0000
Subject: [PATCH] Make av_set_string3() print a message in case of unknown
 option.

Originally committed as revision 18826 to svn://svn.ffmpeg.org/ffmpeg/trunk
---
 libavcodec/opt.c | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/libavcodec/opt.c b/libavcodec/opt.c
index a6abcfc2e7d..c7218296f6b 100644
--- a/libavcodec/opt.c
+++ b/libavcodec/opt.c
@@ -112,8 +112,10 @@ int av_set_string3(void *obj, const char *name, const char *val, int alloc, cons
     const AVOption *o= av_find_opt(obj, name, NULL, 0, 0);
     if (o_out)
         *o_out = o;
-    if(!o)
+    if(!o) {
+        av_log(obj, AV_LOG_ERROR, "Unknown option '%s'\n", name);
         return AVERROR(ENOENT);
+    }
     if(!val || o->offset<=0)
         return AVERROR(EINVAL);
 
-- 
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