gistfile1.txt

./ffmpeg -ss 00:00:36.18 -i 194084902998742.webm -c:a copy -c:v copy -y tmp-1-194084902998742.webm

ffmpeg version N-81655-g415f907 Copyright (c) 2000-2016 the FFmpeg developers
  built with gcc 6.1.1 (GCC) 20160602
  configuration: --prefix=/home/roxlu/programming/tests/003_janus/installed
  libavutil      55. 29.100 / 55. 29.100
  libavcodec     57. 55.101 / 57. 55.101
  libavformat    57. 49.100 / 57. 49.100
  libavdevice    57.  0.102 / 57.  0.102
  libavfilter     6. 62.100 /  6. 62.100
  libswscale      4.  1.100 /  4.  1.100
  libswresample   2.  1.100 /  2.  1.100
Input #0, matroska,webm, from '194084902998742.webm':
  Metadata:
    encoder         : Lavf57.49.100
  Duration: 00:00:55.93, start: 0.000000, bitrate: 1041 kb/s
    Stream #0:0: Video: vp8, yuv420p, 640x480, SAR 1:1 DAR 4:3, 1k fps, 30 tbr, 1k tbn, 1k tbc (default)
    Stream #0:1: Audio: opus, 48000 Hz, stereo, fltp
[webm @ 0x37573e0] Using AVStream.codec to pass codec parameters to muxers is deprecated, use AVStream.codecpar instead.
    Last message repeated 1 times
Output #0, webm, to 'tmp-1-194084902998742.webm':
  Metadata:
    encoder         : Lavf57.49.100
    Stream #0:0: Video: vp8, yuv420p, 640x480 [SAR 1:1 DAR 4:3], q=2-31, 1k fps, 30 tbr, 1k tbn, 1k tbc (default)
    Stream #0:1: Audio: opus, 48000 Hz, stereo
Stream mapping:
  Stream #0:0 -> #0:0 (copy)
  Stream #0:1 -> #0:1 (copy)
Press [q] to stop, [?] for help
frame=  772 fps=0.0 q=-1.0 Lsize=    3363kB time=00:00:19.75 bitrate=1394.5kbits/s speed= 673x
video:3252kB audio:97kB subtitle:0kB other streams:0kB global headers:0kB muxing overhead: 0.398896%


./ffprobe tmp-1-194084902998742.webm
ffprobe version N-81655-g415f907 Copyright (c) 2007-2016 the FFmpeg developers
  built with gcc 6.1.1 (GCC) 20160602
  configuration: --prefix=/home/roxlu/programming/tests/003_janus/installed
  libavutil      55. 29.100 / 55. 29.100
  libavcodec     57. 55.101 / 57. 55.101
  libavformat    57. 49.100 / 57. 49.100
  libavdevice    57.  0.102 / 57.  0.102
  libavfilter     6. 62.100 /  6. 62.100
  libswscale      4.  1.100 /  4.  1.100
  libswresample   2.  1.100 /  2.  1.100
Input #0, matroska,webm, from 'tmp-1-194084902998742.webm':
  Metadata:
    encoder         : Lavf57.49.100
  Duration: 00:00:25.87, start: 0.000000, bitrate: 1064 kb/s
    Stream #0:0: Video: vp8, yuv420p, 640x480, SAR 1:1 DAR 4:3, 1k fps, 30 tbr, 1k tbn, 1k tbc (default)
    Stream #0:1: Audio: opus, 48000 Hz, stereo, fltp