From ffd5f09844f0a3ec05d27941a117f71cb2e80a8b Mon Sep 17 00:00:00 2001
From: Stefano Sabatini <stefano.sabatini-lala@poste.it>
Date: Wed, 2 Jun 2010 21:57:37 +0000
Subject: [PATCH] Make write_streamheader() return a meaningful error code if
 no codec tag is defined, rather than return -1.

Originally committed as revision 23433 to svn://svn.ffmpeg.org/ffmpeg/trunk
---
 libavformat/nutenc.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/libavformat/nutenc.c b/libavformat/nutenc.c
index 21a0085c68..31267d357c 100644
--- a/libavformat/nutenc.c
+++ b/libavformat/nutenc.c
@@ -405,7 +405,7 @@ static int write_streamheader(AVFormatContext *avctx, ByteIOContext *bc, AVStrea
     if (codec->codec_tag){
         put_le32(bc, codec->codec_tag);
     }else
-        return -1;
+        return AVERROR(EINVAL);
 
     put_v(bc, nut->stream[i].time_base - nut->time_base);
     put_v(bc, nut->stream[i].msb_pts_shift);