From 33bc794738224930f8ac07865861d07cbb959e3b Mon Sep 17 00:00:00 2001
From: Stefano Sabatini <stefano.sabatini-lala@poste.it>
Date: Mon, 22 Feb 2010 12:28:51 +0000
Subject: [PATCH] Make opt_default() print an error message and exit if the
 option supplied is not recognized.

Originally committed as revision 21960 to svn://svn.ffmpeg.org/ffmpeg/trunk
---
 cmdutils.c | 6 ++++--
 1 file changed, 4 insertions(+), 2 deletions(-)

diff --git a/cmdutils.c b/cmdutils.c
index b21380eef1..90c165e42e 100644
--- a/cmdutils.c
+++ b/cmdutils.c
@@ -214,8 +214,10 @@ int opt_default(const char *opt, const char *arg){
         fprintf(stderr, "Invalid value '%s' for option '%s'\n", arg, opt);
         exit(1);
     }
-    if(!o)
-        return -1;
+    if (!o) {
+        fprintf(stderr, "Unrecognized option '%s'\n", opt);
+        exit(1);
+    }
 
 //    av_log(NULL, AV_LOG_ERROR, "%s:%s: %f 0x%0X\n", opt, arg, av_get_double(avcodec_opts, opt, NULL), (int)av_get_int(avcodec_opts, opt, NULL));