From 62096b99b13744a43ac54453f077997ac1265203 Mon Sep 17 00:00:00 2001
From: Stefano Sabatini <stefano.sabatini-lala@poste.it>
Date: Tue, 8 Dec 2009 22:01:25 +0000
Subject: [PATCH] Make parse_key_value_pair() print an error message if a key
 is not found in the context.

Originally committed as revision 20779 to svn://svn.ffmpeg.org/ffmpeg/trunk
---
 libavfilter/parseutils.c | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/libavfilter/parseutils.c b/libavfilter/parseutils.c
index 0b67d3ddac..79fa8b7470 100644
--- a/libavfilter/parseutils.c
+++ b/libavfilter/parseutils.c
@@ -292,6 +292,8 @@ static int parse_key_value_pair(void *ctx, const char **buf,
     av_log(ctx, AV_LOG_DEBUG, "Setting value '%s' for key '%s'\n", val, key);
 
     ret = av_set_string3(ctx, key, val, 1, NULL);
+    if (ret == AVERROR(ENOENT))
+        av_log(ctx, AV_LOG_ERROR, "Key '%s' not found.\n", key);
 
     av_free(key);
     av_free(val);