ffmpeg roll of source to mar 9 version...

patched-ffmpeg-mt/libavformat/wav.c

 /*
  * WAV muxer and demuxer
  * Copyright (c) 2001, 2002 Fabrice Bellard
  *
  * Sony Wave64 demuxer
  * RF64 demuxer
  * Copyright (c) 2009 Daniel Verkamp
  *
  * This file is part of FFmpeg.
  *
@@ skipping 209 matching lines @@
     ff_get_wav_header(pb, st->codec, size);
     st->need_parsing = AVSTREAM_PARSE_FULL;
 
     av_set_pts_info(st, 64, 1, st->codec->sample_rate);
 
     size = find_tag(pb, MKTAG('d', 'a', 't', 'a'));
     if (rf64)
         size = data_size;
     if (size < 0)
         return -1;
-    wav->data_end= url_ftell(pb) + size;
+    if (!size) {
+        wav->data_end = INT64_MAX;
+    } else
+        wav->data_end= url_ftell(pb) + size;
     return 0;
 }
 
 /** Find chunk with w64 GUID by skipping over other chunks
  * @return the size of the found chunk
  */
 static int64_t find_guid(ByteIOContext *pb, const uint8_t guid1[16])
 {
     uint8_t guid[16];
     int64_t size;
@@ skipping 162 matching lines @@
     sizeof(WAVContext),
     w64_probe,
     w64_read_header,
     wav_read_packet,
     NULL,
     wav_read_seek,
     .flags = AVFMT_GENERIC_INDEX,
     .codec_tag = (const AVCodecTag* const []){ff_codec_wav_tags, 0},
 };
 #endif /* CONFIG_W64_DEMUXER */