From 89806691b1c39181c63d95e0fddc30f11e2a7b04 Mon Sep 17 00:00:00 2001
From: Anton Khirnov <anton@khirnov.net>
Date: Mon, 27 May 2013 19:13:14 +0200
Subject: wavpack: check that all the channels were coded.

---
 libavcodec/wavpack.c | 5 +++++
 1 file changed, 5 insertions(+)

(limited to 'libavcodec/wavpack.c')

diff --git a/libavcodec/wavpack.c b/libavcodec/wavpack.c
index 7a14519bf9..0847238595 100644
--- a/libavcodec/wavpack.c
+++ b/libavcodec/wavpack.c
@@ -1212,6 +1212,11 @@ static int wavpack_decode_frame(AVCodecContext *avctx, void *data,
         buf_size -= frame_size;
     }
 
+    if (s->ch_offset != avctx->channels) {
+        av_log(avctx, AV_LOG_ERROR, "Not enough channels coded in a packet.\n");
+        return AVERROR_INVALIDDATA;
+    }
+
     *got_frame_ptr = 1;
 
     return avpkt->size;
-- 
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