ffmpeg -i Madagaskar\ 3\ \ Dubbing\ PL.flv -codec:v mpeg4 -q:v 2 -codec:a libmp3lame -q:a 3 output.avi

ffmpeg version 0.8.6-6:0.8.6-0ubuntu0.12.10.1, Copyright (c) 2000-2013 the Libav developers
  built on Apr  2 2013 17:07:34 with gcc 4.7.2
*** THIS PROGRAM IS DEPRECATED ***
This program is only provided for compatibility and will be removed in a future release. Please use avconv instead.
[flv @ 0x9334720] Estimating duration from bitrate, this may be inaccurate
Input #0, flv, from 'Madagaskar 3  Dubbing PL.flv':
  Metadata:
    metadatacreator : Yet Another Metadata Injector for FLV - Version 1.8
    hasKeyframes    : true
    hasVideo        : true
    hasAudio        : true
    hasMetadata     : true
    canSeekToEnd    : true
    datasize        : 752574199
    videosize       : 612943142
    audiosize       : 138042801
    lasttimestamp   : 5604
    lastkeyframetimestamp: 5604
    lastkeyframelocation: 752602656
  Duration: 01:33:24.09, start: 0.042000, bitrate: 1065 kb/s
    Stream #0.0: Video: h264 (High), yuv420p, 852x480 [PAR 640:639 DAR 16:9], 872 kb/s, 23.98 tbr, 1k tbn, 47.95 tbc
    Stream #0.1: Audio: aac, 48000 Hz, 5.1, s16, 192 kb/s
Unrecognized option 'codec:v'
Failed to set value 'mpeg4' for option 'codec:v'