From 22a06b0e81ab1edeaaececea1acda92cba26e33c Mon Sep 17 00:00:00 2001
From: wm4 <wm4@nowhere>
Date: Mon, 12 Jan 2015 01:33:35 +0100
Subject: demux_mkv: avoid endless loop with broken files

Fixes #1457.
---
 demux/demux_mkv.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/demux/demux_mkv.c b/demux/demux_mkv.c
index 49aa4ee94b..4732dac204 100644
--- a/demux/demux_mkv.c
+++ b/demux/demux_mkv.c
@@ -307,7 +307,7 @@ static bstr demux_mkv_decode(struct mp_log *log, mkv_track_t *track,
                     dest = NULL;
                     goto error;
                 }
-                dstlen *= 2;
+                dstlen = MPMAX(1, 2 * dstlen);
             }
             size = dstlen - out_avail;
         } else if (enc->comp_algo == 3) {
-- 
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