ffmpeg roll of source to mar 9 version...

patched-ffmpeg-mt/libavformat/iv8.c

 /*
  * Copyright (c) 2009 Michael Niedermayer
  *
  * 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 37 matching lines @@
     st->codec->codec_id = CODEC_ID_MPEG4;
     st->need_parsing = AVSTREAM_PARSE_FULL;
     av_set_pts_info(st, 64, 1, 90000);
 
     return 0;
 
 }
 
 static int read_packet(AVFormatContext *s, AVPacket *pkt)
 {
-    int ret, size, pts;
-
-    get_be16(s->pb); // 257
+    int ret, size, pts, type;
+retry:
+    type= get_be16(s->pb); // 257 or 258
     size= get_be16(s->pb);
 
     get_be16(s->pb); //some flags, 0x80 indicates end of frame
     get_be16(s->pb); //packet number
     pts=get_be32(s->pb);
     get_be32(s->pb); //6A 13 E3 88
 
     size -= 12;
     if(size<1)
         return -1;
 
+    if(type==258){
+        url_fskip(s->pb, size);
+        goto retry;
+    }
+
     ret= av_get_packet(s->pb, pkt, size);
 
-    pkt->pts= pkt->dts= pts;
+    pkt->pts= pts;
     pkt->pos-=16;
 
     pkt->stream_index = 0;
 
     return ret;
 }
 
 AVInputFormat iv8_demuxer = {
     "iv8",
     NULL_IF_CONFIG_SMALL("A format generated by IndigoVision 8000 video server"),
     0,
     probe,
     read_header,
     read_packet,
     .flags= AVFMT_GENERIC_INDEX,
     .value = CODEC_ID_MPEG4,
 };