我想在VLC上播放MPEG-4 Part 2组播流，但不能。
MPEG-2和H.264多播流能够播放。
我该怎么玩？
操作系统：Windows 8.1 Pro 64位
VLC版本：2.2.4
命令：vlc -I dummy -vvv udp：// @ {MulticastAddress}：{Port}
日志：
[007fb7e4] core stream debug: received first data after 5699 ms
[007fb7e4] core stream debug: prebuffering done 1164 bytes in 5s - 0 KiB/s
[007fb884] core stream debug: looking for stream_filter module matching "any": 6 candidates
[007fb884] core stream debug: no stream_filter modules matched
[007fbec4] core stream debug: looking for stream_filter module matching "record": 6 candidates
[007fbec4] core stream debug: using stream_filter module "record"
[00824bec] core input debug: creating demux: access='udp' demux='any' location='@{MulticastAddress}:{Port}' file='\\@{MulticastAddress}:{Port}'
[0080bb0c] core demux debug: looking for demux module matching "any": 66 candidates
[0080bb0c] ts demux debug: Force Seek Per Percent: PCR's not found,
[0080bb0c] ts demux warning: lost synchro
[0080bb0c] ts demux debug: skipping 16 bytes of garbage
[0080bb0c] ts demux debug: pid[4113] unknown
[0080bb0c] ts demux warning: lost synchro
[0080bb0c] ts demux debug: skipping 12 bytes of garbage
[0080bb0c] ts demux warning: lost synchro
[0080bb0c] ts demux debug: skipping 12 bytes of garbage
[0080bb0c] ts demux warning: lost synchro
[0080bb0c] ts demux debug: skipping 12 bytes of garbage
[0080bb0c] ts demux warning: lost synchro
[0080bb0c] ts demux debug: skipping 12 bytes of garbage
[0080bb0c] ts demux debug: pid[256] unknown
[0080bb0c] ts demux debug: pid[4097] unknown
[0080bb0c] ts demux warning: lost synchro
[0080bb0c] ts demux debug: skipping 12 bytes of garbage
[0080bb0c] ts demux warning: lost synchro
...
谢谢。