#!/bin/bash

# Specify the size of the viewport in the video player.
# For BlackBerry Pearl, use 240 x 180.
SCREEN_WIDTH=240
SCREEN_HEIGHT=180

# Specify the video and audio bitrates (kilobits per second).
VIDEO_BITRATE=230
AUDIO_BITRATE=64

mencoder -vf expand=:::::4/3,scale=$SCREEN_WIDTH:$SCREEN_HEIGHT "$1" -o "$2" \
   -of avi -ovc lavc -oac mp3lame \
   -lavcopts vcodec=mpeg4:vbitrate=$VIDEO_BITRATE:acodec=mp3:abitrate=$AUDIO_BITRATE

# if "-oac mp3lame" doesn't work, try "-oac lavc"