mxf: Fix off by one error in d10 aes3 decoding

Without this fix the last sample was missing from the packet.
id3as · Jan 14, 2014 · aa0cb16 · aa0cb16
1 parent 42f9132
commit aa0cb16
Showing 1 changed file with 1 addition and 1 deletion.
diff --git 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)