[FFmpeg-cvslog] wavpack: check that all the channels were coded.

[Anton Khirnov]

ffmpeg | branch: master | Anton Khirnov <anton at khirnov.net> | Mon May 27 19:13:14 2013 +0200| [89806691b1c39181c63d95e0fddc30f11e2a7b04] | committer: Anton Khirnov

wavpack: check that all the channels were coded.

> http://git.videolan.org/gitweb.cgi/ffmpeg.git/?a=commit;h=89806691b1c39181c63d95e0fddc30f11e2a7b04
---

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

diff --git a/libavcodec/wavpack.c b/libavcodec/wavpack.c
index 7a14519..0847238 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;