#!/bin/sh
VBR=96
#VBR=104
ABR=12
INPUT="$1"
OUTPUT="$2"
shift 2
#VOL=+4
VOL=0
#VOL=-5
#VOL=-10
#VOL=-20
mencoder "$INPUT" -nosound -ovc lavc -lavcopts vcodec=mpeg4 -vop expand=176:144,scale=176:-2 -o movie.avi -ofps 12 "$@"
mplayer "$@" -vo null -ao pcm -af resample=8000,volume=${VOL}db:sc "$INPUT"
ffmpeg -y -i movie.avi -i audiodump.wav -b $VBR -ac 1 -ab $ABR -map 0.0 -map 1.0 -pass 1 "$OUTPUT"
ffmpeg -y -i movie.avi -i audiodump.wav -b $VBR -ac 1 -ab $ABR -map 0.0 -map 1.0 -pass 2 "$OUTPUT"