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-rw-r--r--demux/demux_mkv.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/demux/demux_mkv.c b/demux/demux_mkv.c
index 2b93148747..ace19e1e1f 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) {