ffmpeg version N-81301-gb2b659b Copyright (c) 2000-2016 the FFmpeg developers
  built with gcc 5.4.0 (Ubuntu 5.4.0-6ubuntu1~16.04.1) 20160609
  configuration: --prefix=/home/ubuntu/ffmpeg_build --pkg-config-flags=--static --extra-cflags=-I/home/ubuntu/ffmpeg_build/include --extra-ldflags=-L/home/ubuntu/ffmpeg_build/lib --bindir=/home/ubuntu/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. 28.100 / 55. 28.100
  libavcodec     57. 51.100 / 57. 51.100
  libavformat    57. 46.100 / 57. 46.100
  libavdevice    57.  0.102 / 57.  0.102
  libavfilter     6. 50.100 /  6. 50.100
  libswscale      4.  1.100 /  4.  1.100
  libswresample   2.  1.100 /  2.  1.100
  libpostproc    54.  0.100 / 54.  0.100
[flv @ 0x2701600] audio stream discovered after head already parsed
Input #0, flv, from 'rtmp://localhost/myapp/obs':
  Metadata:
    Server          : NGINX RTMP (github.com/sergey-dryabzhinsky/nginx-rtmp-module)
    displayWidth    : 1920
    displayHeight   : 1080
    fps             : 30
    profile         :
    level           :
  Duration: 00:00:00.00, start: 60.011000, bitrate: N/A
    Stream #0:0: Audio: aac (LC), 48000 Hz, stereo, fltp
[flv @ 0x2708560] Using AVStream.codec to pass codec parameters to muxers is deprecated, use AVStream.codecpar instead.
Output #0, flv, to 'rtmp://localhost/hls/obs_low':
  Metadata:
    Server          : NGINX RTMP (github.com/sergey-dryabzhinsky/nginx-rtmp-module)
    displayWidth    : 1920
    displayHeight   : 1080
    fps             : 30
    profile         :
    level           :
    encoder         : Lavf57.46.100
    Stream #0:0: Audio: aac (libfdk_aac) ([10][0][0][0] / 0x000A), 48000 Hz, stereo, s16, 32 kb/s
    Metadata:
      encoder         : Lavc57.51.100 libfdk_aac
Stream mapping:
  Stream #0:0 -> #0:0 (aac (native) -> aac (libfdk_aac))
Press [q] to stop, [?] for help
[flv @ 0x2701600] video stream discovered after head already parsed
[flv @ 0x2701600] New video stream 0:1 at pos:87263 and DTS:66.3s
[flv @ 0x2708560] Failed to update header with correct duration.6x
[flv @ 0x2708560] Failed to update header with correct filesize.
size=      81kB time=00:00:16.93 bitrate=  39.3kbits/s speed=1.46x
video:0kB audio:68kB subtitle:0kB other streams:0kB global headers:0kB muxing overhead: 20.064869%