$ livestreamer twitch.tv/riotgames high -O | /cygdrive/c/Users/Quinn\ Wood/Downloads/libav-11.3-win64/win64/usr/bin/avconv -i - -c copy -map 0:0 -map 0:1 -f segment -segment_time 60 -v verbose out%03d.mp4
[cli][info] Found matching plugin twitch for URL twitch.tv/riotgames
[cli][info] Available streams: audio, high, low, medium, mobile (worst), source (best)
[cli][info] Opening stream: high (hls)
avconv version 11.3, Copyright (c) 2000-2014 the Libav developers
  built on Mar  9 2015 02:12:20 with gcc 4.8.3 (Gentoo 4.8.3 p1.1, pie-0.5.9)
  configuration: --cross-prefix=x86_64-w64-mingw32- --arch=x86_64 --sysroot=/usr/x86_64-w64-mingw32/ --enable-runtime-cpudetect --enable-shared --enable-cross-compile --enable-w32threads --prefix=/usr --target-os=mingw32 --enable-memalign-hack --enable-gpl --enable-version3 --enable-libmp3lame --enable-libopus --enable-libvo-aacenc --enable-libvorbis --enable-libvpx --enable-libx264
  libavutil     54.  3. 0 / 54.  3. 0
  libavcodec    56.  1. 0 / 56.  1. 0
  libavformat   56.  1. 0 / 56.  1. 0
  libavdevice   55.  0. 0 / 55.  0. 0
  libavfilter    5.  0. 0 /  5.  0. 0
  libavresample  2.  1. 0 /  2.  1. 0
  libswscale     3.  0. 0 /  3.  0. 0
[mpegts @ 0000000000d9af00] max_analyze_duration 5000000 reached
[mpegts @ 0000000000d9af00] Estimating duration from bitrate, this may be inaccurate
Input #0, mpegts, from 'pipe:':
  Duration: N/A, start: 7122.766000, bitrate: 132 kb/s
  Program 1
    Stream #0.0[0x100]: Audio: aac, 44100 Hz, stereo, fltp, 132 kb/s
    Stream #0.1[0x101]: Video: h264 (Constrained Baseline), yuv420p, 1280x720, 30 fps, 90k tbn, 2k tbc
    Stream #0.2[0x102]: Data: [21][0][0][0] / 0x0015
[mp4 @ 0000000002c10320] Using AVStream.codec.time_base as a timebase hint to the muxer is deprecated. Set AVStream.time_base instead.
[mp4 @ 0000000002c10320] Tag [15][0][0][0]/0x0000000f incompatible with output codec id '86018'
Output #0, segment, to 'out%03d.mp4':
  Metadata:
    encoder         : Lavf56.1.0
    Stream #0.0: Audio: libvo_aacenc, 44100 Hz, stereo, 132 kb/s
    Stream #0.1: Video: libx264, yuv420p, 1280x720, q=2-31, 90k tbn, 90k tbc
Stream mapping:
  Stream #0:0 -> #0:0 (copy)
  Stream #0:1 -> #0:1 (copy)
Could not write header for output file #0 (incorrect codec parameters ?): Invalid data found when processing input
[cli][error] Error when writing to output: [Errno 32] Broken pipe
[cli][info] Stream ended
Exception ignored in: <_io.TextIOWrapper name='<stdout>' mode='w' encoding='UTF-8'>
BrokenPipeError: [Errno 32] Broken pipe