avconv -i input.mp4 -vcodec mpeg4 -filter:v `scale=w=trunc(in_w/2)*2:h=trunc(in_h/2)*2` -vtag XVID -qscale 3 -acodec libmp3lame -ab 160k  -threads auto -t 4106 -ss 112 /tmp/output.avi
avconv version 0.8.9-6:0.8.9-1, Copyright (c) 2000-2013 the Libav developers
  built on Nov  3 2013 00:54:50 with gcc 4.7.2
Input #0, mov,mp4,m4a,3gp,3g2,mj2, from 'input.mp4':
  Metadata:
    major_brand     : mp42
    minor_version   : 0
    compatible_brands: isommp42
    creation_time   : 2013-12-16 02:00:18
  Duration: 01:20:07.76, start: 0.000000, bitrate: 1461 kb/s
    Stream #0.0(eng): Video: h264 (Main), yuv420p, 1280x720 [PAR 1:1 DAR 16:9], 1298 kb/s, 29.97 fps, 29.97 tbr, 30k tbn, 59.94 tbc
    Metadata:
      creation_time   : 2013-12-16 02:00:18
    Stream #0.1(eng): Audio: aac, 48000 Hz, stereo, s16, 160 kb/s
    Metadata:
      creation_time   : 2013-12-16 02:00:18
Unable to find a suitable output format for 'XVID'