ffprobe output.avi
ffprobe version 1.2.6-7:1.2.6-1~trusty1 Copyright (c) 2007-2014 the FFmpeg developers
  built on Apr 26 2014 18:52:58 with gcc 4.8 (Ubuntu 4.8.2-19ubuntu1)
  configuration: --arch=amd64 --disable-stripping --enable-avresample --enable-pthreads --enable-runtime-cpudetect --extra-version='7:1.2.6-1~trusty1' --libdir=/usr/lib/x86_64-linux-gnu --prefix=/usr --enable-bzlib --enable-libdc1394 --enable-libfreetype --enable-frei0r --enable-gnutls --enable-libgsm --enable-libmp3lame --enable-librtmp --enable-libopencv --enable-libopenjpeg --enable-libopus --enable-libpulse --enable-libschroedinger --enable-libspeex --enable-libtheora --enable-vaapi --enable-vdpau --enable-libvorbis --enable-libvpx --enable-zlib --enable-gpl --enable-postproc --enable-libcdio --enable-x11grab --enable-libx264 --shlibdir=/usr/lib/x86_64-linux-gnu --enable-shared --disable-static
  libavutil      52. 18.100 / 52. 18.100
  libavcodec     54. 92.100 / 54. 92.100
  libavformat    54. 63.104 / 54. 63.104
  libavdevice    53.  5.103 / 53.  5.103
  libavfilter     3. 42.103 /  3. 42.103
  libswscale      2.  2.100 /  2.  2.100
  libswresample   0. 17.102 /  0. 17.102
  libpostproc    52.  2.100 / 52.  2.100
[avi @ 0x21b4500] non-interleaved AVI
Input #0, avi, from 'output.avi':
  Metadata:
    encoder         : Lavf54.63.104
  Duration: 00:01:12.04, start: 0.000000, bitrate: 748 kb/s
    Stream #0:0: Video: mjpeg (MJPG / 0x47504A4D), yuvj420p, 320x240, 21.68 tbr, 21.68 tbn, 21.68 tbc
    Stream #0:1: Audio: adpcm_ima_wav ([17][0][0][0] / 0x0011), 22050 Hz, 1 channels, s16p, 88 kb/s