ffprobe 00002.m2ts
ffprobe version N-36863-g811de35 Copyright (c) 2007-2012 the FFmpeg developers
  built on Jan 25 2012 00:17:41 with gcc 4.5.3
  configuration: --enable-static --enable-shared --enable-gpl --enable-version3 --enable-nonfree --enable-doc --enable-ffmpeg --enable-ffplay --enable-ffprobe --enable-ffserver --enable-avdevice --enable-avcodec --enable-avformat --enable-swscale --enable-postproc --enable-avfilter --enable-pthreads --disable-w32threads --enable-x11grab --enable-network --disable-gray --enable-swscale-alpha --enable-fastdiv --disable-small --enable-vdpau --disable-runtime-cpudetect --enable-hardcoded-tables --enable-bzlib --disable-libcelt --enable-frei0r --enable-libaacplus --enable-libass --enable-libopencore-amrnb --enable-libopencore-amrwb --disable-libopencv --enable-libdc1394 --enable-libdirac --enable-libfaac --enable-libfreetype --enable-libgsm --enable-libmp3lame --enable-libnut --disable-libopenjpeg --disable-librtmp --enable-libschroedinger --enable-libspeex --enable-libtheora --enable-libvorbis --enable-libv4l2 --enable-libvpx --enable-libx264 --enable-libxvid --enable-zlib --arch=x86_64 --cpu=amdfam10 --enable-a  libavutil      51. 34.100 / 51. 34.100
  libavcodec     53. 55.105 / 53. 55.105
  libavformat    53. 29.100 / 53. 29.100
  libavdevice    53.  4.100 / 53.  4.100
  libavfilter     2. 59.100 /  2. 59.100
  libswscale      2.  1.100 /  2.  1.100
  libswresample   0.  6.100 /  0.  6.100
  libpostproc    51.  2.100 / 51.  2.100
Input #0, mpegts, from '00002.m2ts':
  Duration: 00:47:23.88, start: 4198.958300, bitrate: 38383 kb/s
  Program 1
    Stream #0:0[0x1011]: Video: h264 (High) (HDMV / 0x564D4448), yuv420p, 1920x1080 [SAR 1:1 DAR 16:9], 23.98 fps, 23.98 tbr, 90k tbn, 47.95 tbc
    Stream #0:1[0x1100]: Audio: pcm_bluray (HDMV / 0x564D4448), 48000 Hz, stereo, s16, 1536 kb/s

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ffmpeg -i 00002.m2ts -vcodec copy -acodec copy -ss 00:00:00 -t 00:23:41 test01.m2ts