ffmbc .7 rc4 oddity

/bin/ffmbc -i /mnt/sport_nas/HDJ002783_hdcam_hdbcast.mxf -t 15  -timecode 19:04:02:13 -f mov -y -vcodec copy \
-acodec copy -acodec copy /mnt/sport_nas/HDJ002783_hdcam_xxxx.mov -newaudio \
-acodec copy \
-acodec copy
FFmbc version 0.7-rc4-by_Tim
Copyright (c) 2008-2011 Baptiste Coudurier and the FFmpeg developers
Input #0, mxf, from '/mnt/sport_nas/HDJ002783_hdcam_hdbcast.mxf':
  Metadata:
    system_timecode: 23:15:23:00
    timecode: 19:04:02:13
  Duration: 01:13:57.48, start: 0.000000, bitrate: 117145 kb/s
    Stream #0.0(und): Video: h264 (High 4:2:2 Intra), yuv422p10le, 1920x1080i bff [PAR 1:1 DAR 16:9], 25.00 fps
    Stream #0.1(und): Audio: pcm_s16le, 48000 Hz, 1 channels, s16, 768 kb/s
    Stream #0.2(und): Audio: pcm_s16le, 48000 Hz, 1 channels, s16, 768 kb/s
    Stream #0.3(und): Audio: pcm_s16le, 48000 Hz, 1 channels, s16, 768 kb/s
    Stream #0.4(und): Audio: pcm_s16le, 48000 Hz, 1 channels, s16, 768 kb/s
Output #0, mov, to '/mnt/sport_nas/HDJ002783_hdcam_xxxx.mov':
  Metadata:
    encoder: FFmbc 0.7
    Stream #0.0(und): Video: h264, yuv422p10le, 1920x1080i bff [PAR 1:1 DAR 16:9], stream copy, 25.00 fps
    Stream #0.1(und): Audio: pcm_s16le, 48000 Hz, 1 channels, s16, stream copy
    Stream #0.2(und): Audio: libfaac, 48000 Hz, 1 channels, s16, 64 kb/s
Stream mapping:
  Stream #0.0 -> #0.0
  Stream #0.1 -> #0.1
  Stream #0.2 -> #0.2
Press [q] to stop, [?] for help
    Last message repeated 1 timesze=  122330kB time=00:00:09.32 bitrate=107493.7kbits/s eta=00:00:10.40
frame=  375 fps= 14 Lsize=  196775kB time=00:00:15.00 bitrate=107465.2kbits/s
video:208125kB audio:1523kB global headers:0kB muxing overhead -6.140640%