ffmpeg roll of source to mar 9 version...

patched-ffmpeg-mt/libavformat/xa.c

 /*
  * Maxis XA (.xa) File Demuxer
  * Copyright (c) 2008 Robert Marston
  *
  * This file is part of FFmpeg.
  *
  * FFmpeg is free software; you can redistribute it and/or
  * modify it under the terms of the GNU Lesser General Public
  * License as published by the Free Software Foundation; either
  * version 2.1 of the License, or (at your option) any later version.
@@ skipping 88 matching lines @@
     ByteIOContext *pb = s->pb;
     unsigned int packet_size;
     int ret;
 
     if(xa->sent_bytes > xa->out_size)
         return AVERROR(EIO);
     /* 1 byte header and 14 bytes worth of samples * number channels per block */
     packet_size = 15*st->codec->channels;
 
     ret = av_get_packet(pb, pkt, packet_size);
-    if(ret != packet_size)
-        return AVERROR(EIO);
+    if(ret < 0)
+        return ret;
 
     pkt->stream_index = st->index;
     xa->sent_bytes += packet_size;
     pkt->pts = xa->audio_frame_counter;
     /* 14 bytes Samples per channel with 2 samples per byte */
     xa->audio_frame_counter += 28 * st->codec->channels;
 
     return ret;
 }
 
 AVInputFormat xa_demuxer = {
     "xa",
     NULL_IF_CONFIG_SMALL("Maxis XA File Format"),
     sizeof(MaxisXADemuxContext),
     xa_probe,
     xa_read_header,
     xa_read_packet,
 };