ffmpeg -re -i pipe4 -vcodec copy -acodec libmp3lame -ab 192k -aspect 464:352 -f flv rtmp://live.justin.tv/app/live_xxxxxxxx_xxxxxxxxxxxxxxxxxxxxxxxxxxxxx

ffmpeg version 2.1.1 Copyright (c) 2000-2013 the FFmpeg developers
  built on Dec 10 2013 06:36:11 with gcc 4.8.2 (GCC)
  configuration: --prefix=/usr --disable-debug --disable-static --enable-avresample --enable-dxva2 --enable-fontconfig --enable-gnutls --enable-gpl --enable-libass --enable-libbluray --enable-libfreetype --enable-libgsm --enable-libmodplug --enable-libmp3lame --enable-libopencore_amrnb --enable-libopencore_amrwb --enable-libopenjpeg --enable-libopus --enable-libpulse --enable-librtmp --enable-libschroedinger --enable-libspeex --enable-libtheora --enable-libv4l2 --enable-libvorbis --enable-libvpx --enable-libx264 --enable-libxvid --enable-pic --enable-postproc --enable-runtime-cpudetect --enable-shared --enable-swresample --enable-vdpau --enable-version3 --enable-x11grab
  libavutil      52. 48.101 / 52. 48.101
  libavcodec     55. 39.101 / 55. 39.101
  libavformat    55. 19.104 / 55. 19.104
  libavdevice    55.  5.100 / 55.  5.100
  libavfilter     3. 90.100 /  3. 90.100
  libavresample   1.  1.  0 /  1.  1.  0
  libswscale      2.  5.101 /  2.  5.101
  libswresample   0. 17.104 /  0. 17.104
  libpostproc    52.  3.100 / 52.  3.100
Input #0, mpegts, from 'pipe4':
  Duration: N/A, start: 1.443633, bitrate: 133 kb/s
  Program 1
    Metadata:
      service_name    : Service01
      service_provider: FFmpeg
    Stream #0:0[0x100]: Video: h264 (High) ([27][0][0][0] / 0x001B), yuv420p, 464x352 [SAR 2629:2610 DAR 239:180], 29.92 fps, 29.92 tbr, 90k tbn, 59.83 tbc
    Stream #0:1[0x101]: Audio: aac ([15][0][0][0] / 0x000F), 44100 Hz, stereo, fltp, 133 kb/s
Overriding aspect ratio with stream copy may produce invalid files
Output #0, flv, to 'rtmp://live.justin.tv/app/live_53342935_8a0SSwJzKk94FQ3gHqImXtVE68i1fe':
  Metadata:
    encoder         : Lavf55.19.104
    Stream #0:0: Video: h264 ([7][0][0][0] / 0x0007), yuv420p, 464x352 [SAR 1:1 DAR 29:22], q=2-31, 29.92 fps, 1k tbn, 90k tbc
    Stream #0:1: Audio: mp3 (libmp3lame) ([2][0][0][0] / 0x0002), 44100 Hz, stereo, fltp, 192 kb/s
Stream mapping:
  Stream #0:0 -> #0:0 (copy)
  Stream #0:1 -> #0:1 (aac -> libmp3lame)
Press [q] to stop, [?] for help
[libmp3lame @ 0x1978820] Queue input is backward in time
[flv @ 0x1977f80] Non-monotonous DTS in output stream 0:1; previous: 511632, current: 255861; changing to 511632. This may result in incorrect timestamps in the output file.
[libmp3lame @ 0x1978820] Queue input is backward in time
[flv @ 0x1977f80] Non-monotonous DTS in output stream 0:1; previous: 511632, current: 255911; changing to 511632. This may result in incorrect timestamps in the output file.
[flv @ 0x1977f80] Non-monotonous DTS in output stream 0:1; previous: 511632, current: 255960; changing to 511632. This may result in incorrect timestamps in the output file.
[flv @ 0x1977f80] Non-monotonous DTS in output stream 0:1; previous: 511632, current: 256010; changing to 511632. This may result in incorrect timestamps in the output file.
[flv @ 0x1977f80] Non-monotonous DTS in output stream 0:1; previous: 511632, current: 255943; changing to 511632. This may result in incorrect timestamps in the output file.
[flv @ 0x1977f80] Non-monotonous DTS in output stream 0:1; previous: 511632, current: 255969; changing to 511632. This may result in incorrect timestamps in the output file.
[flv @ 0x1977f80] Non-monotonous DTS in output stream 0:1; previous: 511632, current: 255995; changing to 511632. This may result in incorrect timestamps in the output file.
[flv @ 0x1977f80] Non-monotonous DTS in output stream 0:1; previous: 511632, current: 256021; changing to 511632. This may result in incorrect timestamps in the output file.
[flv @ 0x1977f80] Non-monotonous DTS in output stream 0:1; previous: 511632, current: 256047; changing to 511632. This may result in incorrect timestamps in the output file.
[flv @ 0x1977f80] Non-monotonous DTS in output stream 0:1; previous: 511632, current: 256073; changing to 511632. This may result in incorrect timestamps in the output file.
[flv @ 0x1977f80] Non-monotonous DTS in output stream 0:1; previous: 511632, current: 256100; changing to 511632. This may result in incorrect timestamps in the output file.
[flv @ 0x1977f80] Non-monotonous DTS in output stream 0:1; previous: 511632, current: 256126; changing to 511632. This may result in incorrect timestamps in the output file.
[flv @ 0x1977f80] Non-monotonous DTS in output stream 0:1; previous: 511632, current: 256152; changing to 511632. This may result in incorrect timestamps in the output file.
[flv @ 0x1977f80] Non-monotonous DTS in output stream 0:1; previous: 511632, current: 256178; changing to 511632. This may result in incorrect timestamps in the output file.
[flv @ 0x1977f80] Non-monotonous DTS in output stream 0:1; previous: 511632, current: 256204; changing to 511632. This may result in incorrect timestamps in the output file.
[flv @ 0x1977f80] Non-monotonous DTS in output stream 0:1; previous: 511632, current: 256230; changing to 511632. This may result in incorrect timestamps in the output file.
[flv @ 0x1977f80] Non-monotonous DTS in output stream 0:1; previous: 511632, current: 256256; changing to 511632. This may result in incorrect timestamps in the output file.
[flv @ 0x1977f80] Non-monotonous DTS in output stream 0:1; previous: 511632, current: 256282; changing to 511632. This may result in incorrect timestamps in the output file.
[flv @ 0x1977f80] Non-monotonous DTS in output stream 0:1; previous: 511632, current: 256308; changing to 511632. This may result in incorrect timestamps in the output file.
[flv @ 0x1977f80] Non-monotonous DTS in output stream 0:1; previous: 511632, current: 256335; changing to 511632. This may result in incorrect timestamps in the output file.
[flv @ 0x1977f80] Non-monotonous DTS in output stream 0:1; previous: 511632, current: 256361; changing to 511632. This may result in incorrect timestamps in the output file.
[flv @ 0x1977f80] Non-monotonous DTS in output stream 0:1; previous: 511632, current: 256387; changing to 511632. This may result in incorrect timestamps in the output file.
[flv @ 0x1977f80] Non-monotonous DTS in output stream 0:1; previous: 511632, current: 256413; changing to 511632. This may result in incorrect timestamps in the output file.
[flv @ 0x1977f80] Non-monotonous DTS in output stream 0:1; previous: 511632, current: 256439; changing to 511632. This may result in incorrect timestamps in the output file.