From f261e508459e28beca59868a878e1519a44bb678 Mon Sep 17 00:00:00 2001
From: Luca Barbato <lu_zero@gentoo.org>
Date: Wed, 10 Jul 2013 18:07:45 +0200
Subject: [PATCH] dca: Error out on missing DSYNC

Reported-by: Mateusz "j00ru" Jurczyk and Gynvael Coldwind
CC: libav-stable@libav.org
---
 libavcodec/dcadec.c | 1 +
 1 file changed, 1 insertion(+)

diff --git a/libavcodec/dcadec.c b/libavcodec/dcadec.c
index 0f7337574f..de24e4e62b 100644
--- a/libavcodec/dcadec.c
+++ b/libavcodec/dcadec.c
@@ -1256,6 +1256,7 @@ static int dca_subsubframe(DCAContext *s, int base_channel, int block_index)
 #endif
         } else {
             av_log(s->avctx, AV_LOG_ERROR, "Didn't get subframe DSYNC\n");
+            return AVERROR_INVALIDDATA;
         }
     }