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root@uk:~# livestreamer   "http://www.itv.com/hub/itv4" best --yes-run-as-root 2>NUL | ffmpeg -vcodec h264 -re -analyzeduration 5000000 -probesize 5047480 -i - -f mpegts  -c:v copy  -c:a copy -f mpegts "udp://127.0.0.1@239.4.4.4:44004"
ffmpeg version N-76659-gebf5264 Copyright (c) 2000-2015 the FFmpeg developers
  built with gcc 4.8 (Ubuntu 4.8.4-2ubuntu1~14.04)
  configuration: --prefix=/root/ffmpeg_build --pkg-config-flags=--static --extra-cflags=-I/root/ffmpeg_build/include --extra-ldflags=-L/root/ffmpeg_build/lib --bindir=/root/bin --enable-gpl --enable-libass --enable-libfdk-aac --enable-libfreetype --enable-libmp3lame --enable-libopus --enable-libtheora --enable-libvorbis --enable-libvpx --enable-libx264 --enable-libx265 --enable-nonfree
  libavutil      55.  6.100 / 55.  6.100
  libavcodec     57. 15.100 / 57. 15.100
  libavformat    57. 14.100 / 57. 14.100
  libavdevice    57.  0.100 / 57.  0.100
  libavfilter     6. 15.100 /  6. 15.100
  libswscale      4.  0.100 /  4.  0.100
  libswresample   2.  0.101 /  2.  0.101
  libpostproc    54.  0.100 / 54.  0.100
[lrc @ 0x3319580] Format lrc detected only with low score of 5, misdetection possible!
Input #0, lrc, from 'pipe:':
  Metadata:
    cli             :  1800k (rtmp)
                    :
  Duration: N/A, bitrate: N/A
    Stream #0:0: Subtitle: text
Output #0, mpegts, to 'udp://127.0.0.1@239.4.4.4:44004':
Output file #0 does not contain any stream