Input:
ffmpeg -i "Alvin.avi" -r 65535/2733 -vcodec mpeg4 -vtag XVID -q:v 8 -vf "scale=480:-1" -an -y "video_out.mp4"



Output:
cha0s@cha0s-HP-G62-Notebook-PC:~/Desktop/Conversion$ ffmpeg -i "Alvin.avi" -r 65535/2733 -vcodec mpeg4 -vtag XVID -q:v 8 -vf "scale=480:-1" -an -y "video_out.mp4"
ffmpeg version 0.8.4-4:0.8.4-0ubuntu0.12.04.1, Copyright (c) 2000-2012 the Libav developers
  built on Nov  6 2012 16:51:33 with gcc 4.6.3
*** THIS PROGRAM IS DEPRECATED ***
This program is only provided for compatibility and will be removed in a future release. Please use avconv instead.
[mpeg4 @ 0xba99a0] Invalid and inefficient vfw-avi packed B frames detected
Input #0, avi, from 'Alvin.avi':
  Metadata:
    encoder         : Nandub v1.0rc2
  Duration: 01:24:57.64, start: 0.000000, bitrate: 1151 kb/s
    Stream #0.0: Video: mpeg4 (Simple Profile), yuv420p, 624x336 [PAR 1:1 DAR 13:7], 25 tbr, 25 tbn, 25 tbc
    Stream #0.1: Audio: mp3, 48000 Hz, stereo, s16, 130 kb/s
Unrecognized option 'q:v'
Failed to set value '8' for option 'q:v'