rtmpdump in pipe, segmentation fault error.

im try a pipe to rtmbdump for mplayer, but rtmdump crash to segmentation fault error.
My rtmpdump version are 2.3 (Ubuntu 10.04 LTS)

im try make a this...
 mkfifo ff
 rtmpdump --rtmp "rtmp://streamh1.nelonen.fi/hot/mp4:263324.mp4" -o ff
 mplayer ff

Degub log:
rtmpdump --debug --rtmp "rtmp://streamh1.nelonen.fi/hot/mp4:263324.mp4" -o ff
RTMPDump v2.3
(c) 2010 Andrej Stepanchuk, Howard Chu, The Flvstreamer Team; license: GPL
DEBUG: Parsing...
DEBUG: Parsed protocol: 0
DEBUG: Parsed host : streamh1.nelonen.fi
DEBUG: Parsed app : hot
DEBUG: Protocol : RTMP
DEBUG: Hostname : streamh1.nelonen.fi
DEBUG: Port : 1935
DEBUG: Playpath : mp4:263324.mp4
DEBUG: tcUrl : rtmp://streamh1.nelonen.fi:1935/hot
DEBUG: app : hot
DEBUG: live : no
DEBUG: timeout : 30 sec
DEBUG: Setting buffer time to: 36000000ms
Connecting ...
DEBUG: RTMP_Connect1, ... connected, handshaking
DEBUG: HandShake: Type Answer : 03
DEBUG: HandShake: Server Uptime : 96850052
DEBUG: HandShake: FMS Version : 3.0.1.1
DEBUG: HandShake: Handshaking finished....
DEBUG: RTMP_Connect1, handshaked
DEBUG2: RTMP_SendPacket: fd=4, size=205
DEBUG2: 0000: 03 00 00 00 00 00 cd 14 00 00 00 00 ............
DEBUG2: 0000: 02 00 07 63 6f 6e 6e 65 63 74 00 3f f0 00 00 00 ...connect.?....
DEBUG2: 0010: 00 00 00 03 00 03 61 70 70 02 00 03 68 6f 74 00 ......app...hot.
DEBUG2: 0020: 08 66 6c 61 73 68 56 65 72 02 00 0e 4c 4e 58 20 .flashVer...LNX
DEBUG2: 0030: 31 30 2c 30 2c 33 32 2c 31 38 00 05 74 63 55 72 10,0,32,18..tcUr
DEBUG2: 0040: 6c 02 00 23 72 74 6d 70 3a 2f 2f 73 74 72 65 61 l..#rtmp://strea
DEBUG2: 0050: 6d 68 31 2e 6e 65 6c 6f 6e 65 6e 2e 66 69 3a 31 mh1.nelonen.fi:1
DEBUG2: 0060: 39 33 35 2f 68 6f 74 00 04 66 70 61 64 01 00 00 935/hot..fpad...
DEBUG2: 0070: 0c 63 61 70 61 62 69 6c 69 74 69 65 73 00 40 2e .capabilities.@.
DEBUG2: 0000: c3 .
DEBUG2: 0000: 00 00 00 00 00 00 00 0b 61 75 64 69 6f 43 6f 64 ........audioCod
DEBUG2: 0010: 65 63 73 00 40 a8 ee 00 00 00 00 00 00 0b 76 69 ecs.@.........vi
DEBUG2: 0020: 64 65 6f 43 6f 64 65 63 73 00 40 6f 80 00 00 00 deoCodecs.@o....
DEBUG2: 0030: 00 00 00 0d 76 69 64 65 6f 46 75 6e 63 74 69 6f ....videoFunctio
DEBUG2: 0040: 6e 00 3f f0 00 00 00 00 00 00 00 00 09 n.?..........
DEBUG: Invoking connect
INFO: Connected...
DEBUG2: RTMP_ReadPacket: fd=4
DEBUG2: 0000: 02 00 00 00 00 00 04 05 00 00 00 00 ............
DEBUG2: 0000: 00 26 25 a0 .&%.
DEBUG: HandleServerBW: server BW = 2500000
DEBUG2: RTMP_ReadPacket: fd=4
DEBUG2: 0000: 02 00 00 00 00 00 05 06 00 00 00 00 ............
DEBUG2: 0000: 00 26 25 a0 02 .&%..
DEBUG: HandleClientBW: client BW = 2500000 2
DEBUG2: RTMP_ReadPacket: fd=4
DEBUG2: 0000: 02 00 00 00 00 00 06 04 00 00 00 00 ............
DEBUG2: 0000: 00 00 00 00 00 00 ......
DEBUG: HandleCtrl, received ctrl. type: 0, len: 6
DEBUG: HandleCtrl, Stream Begin 0
DEBUG2: RTMP_ReadPacket: fd=4
DEBUG2: 0000: 02 00 00 00 00 00 04 01 00 00 00 00 ............
DEBUG2: 0000: 00 00 10 00 ....
DEBUG: HandleChangeChunkSize, received: chunk size change to 4096
DEBUG2: RTMP_ReadPacket: fd=4
DEBUG2: 0000: 03 00 00 00 00 01 03 14 00 00 00 00 ............
DEBUG2: 0000: 02 00 07 5f 72 65 73 75 6c 74 00 3f f0 00 00 00 ..._result.?....
DEBUG2: 0010: 00 00 00 03 00 06 66 6d 73 56 65 72 02 00 0d 46 ......fmsVer...F
DEBUG2: 0020: 4d 53 2f 33 2c 35 2c 32 2c 36 35 34 00 0c 63 61 MS/3,5,2,654..ca
DEBUG2: 0030: 70 61 62 69 6c 69 74 69 65 73 00 40 3f 00 00 00 pabilities.@?...
DEBUG2: 0040: 00 00 00 00 04 6d 6f 64 65 00 3f f0 00 00 00 00 .....mode.?.....
DEBUG2: 0050: 00 00 00 00 09 03 00 05 6c 65 76 65 6c 02 00 06 ........level...
DEBUG2: 0060: 73 74 61 74 75 73 00 04 63 6f 64 65 02 00 1d 4e status..code...N
DEBUG2: 0070: 65 74 43 6f 6e 6e 65 63 74 69 6f 6e 2e 43 6f 6e etConnection.Con
DEBUG2: 0080: 6e 65 63 74 2e 53 75 63 63 65 73 73 00 0b 64 65 nect.Success..de
DEBUG2: 0090: 73 63 72 69 70 74 69 6f 6e 02 00 15 43 6f 6e 6e scription...Conn
DEBUG2: 00a0: 65 63 74 69 6f 6e 20 73 75 63 63 65 65 64 65 64 ection succeeded
DEBUG2: 00b0: 2e 00 04 64 61 74 61 08 00 00 00 00 00 07 76 65 ...data.......ve
DEBUG2: 00c0: 72 73 69 6f 6e 02 00 09 33 2c 35 2c 32 2c 36 35 rsion...3,5,2,65
DEBUG2: 00d0: 34 00 00 09 00 08 63 6c 69 65 6e 74 69 64 00 41 4.....clientid.A
DEBUG2: 00e0: ac 46 ef d6 00 00 00 00 0e 6f 62 6a 65 63 74 45 .F.......objectE
DEBUG2: 00f0: 6e 63 6f 64 69 6e 67 00 00 00 00 00 00 00 00 00 ncoding.........
DEBUG2: 0100: 00 00 09 ...
DEBUG: RTMP_ClientPacket, received: invoke 259 bytes
DEBUG: (object begin)
DEBUG: Property: <Name: no-name., STRING: _result>
DEBUG: Property: <Name: no-name., NUMBER: 1.00>
DEBUG: Property: <Name: no-name., OBJECT>
DEBUG: (object begin)
DEBUG: Property: <Name: fmsVer, STRING: FMS/3,5,2,654>
DEBUG: Property: <Name: capabilities, NUMBER: 31.00>
DEBUG: Property: <Name: mode, NUMBER: 1.00>
DEBUG: (object end)
DEBUG: Property: <Name: no-name., OBJECT>
DEBUG: (object begin)
DEBUG: Property: <Name: level, STRING: status>
DEBUG: Property: <Name: code, STRING: NetConnection.Connect.Success>
DEBUG: Property: <Name: description, STRING: Connection succeeded.>
DEBUG: Property: <Name: data, OBJECT>
DEBUG: (object begin)
DEBUG: Property: <Name: version, STRING: 3,5,2,654>
DEBUG: (object end)
DEBUG: Property: <Name: clientid, NUMBER: 237205483.00>
DEBUG: Property: <Name: objectEncoding, NUMBER: 0.00>
DEBUG: (object end)
DEBUG: (object end)
DEBUG: HandleInvoke, server invoking <_result>
segmentation fault