From aa0cb16c15a5b30f78542f18e3fa65de005cf084 Mon Sep 17 00:00:00 2001
From: Marton Balint <cus@passwd.hu>
Date: Thu, 19 Jul 2012 01:23:20 +0200
Subject: mxf: Fix off by one error in d10 aes3 decoding

Without this fix the last sample was missing from the packet.
---
 libavformat/mxfdec.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

(limited to 'libavformat/mxfdec.c')

diff --git a/libavformat/mxfdec.c b/libavformat/mxfdec.c
index 37e1cfa446..3299e16528 100644
--- a/libavformat/mxfdec.c
+++ b/libavformat/mxfdec.c
@@ -312,7 +312,7 @@ static int mxf_get_d10_aes3_packet(AVIOContext *pb, AVStream *st, AVPacket *pkt,
     data_ptr = pkt->data;
     end_ptr = pkt->data + length;
     buf_ptr = pkt->data + 4; /* skip SMPTE 331M header */
-    for (; buf_ptr + st->codec->channels*4 < end_ptr; ) {
+    for (; end_ptr - buf_ptr >= st->codec->channels * 4; ) {
         for (i = 0; i < st->codec->channels; i++) {
             uint32_t sample = bytestream_get_le32(&buf_ptr);
             if (st->codec->bits_per_coded_sample == 24)
-- 
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