V_BIT_RATE=768kb
A_BIT_RATE=128kb
LOG="timings/$2-flv.log"
TIC=`date +%s`
ffmpeg -i "$1" -v -1 -y \
-f flv -b "$V_BIT_RATE" \
-ac 1 -ab "$A_BIT_RATE" -ar 22050 \
"encodes/$2.flv" 2> /dev/null
TOC=`date +%s`
echo "`expr $TOC - $TIC`" >> $LOG