Miscellany

#!/bin/bash

N_PASSES=1     # number of passes
V_BITRATE=384  # video bitrate: 384 is default for simple profile level 3
A_BITRATE=128  # audio bitrate

file=${!#}
resultName=C2.${V_BITRATE}.${N_PASSES}pass-`echo "$file" | sed 's/\.\w*$//'`
#resultName=C2-`echo "$file" | sed 's/\.\w*$//'`

# get the framerate of the input file
# some code taken from http://www.houghi.org/script/idvid - thanks!
cmd="mplayer -vo null -ao null -frames 1 -channels 6 -identify $file"
eval `$cmd | grep "^ID_VIDEO_FPS"`

echo ID_VIDEO_FPS = $ID_VIDEO_FPS
# Set some frequently-used variables
# Frames per second
VFR=5 #default to 30fps
case "$ID_VIDEO_FPS" in
    "23.976" )
        VFR=1
        ;;
    "24.000" | "24.00" | "24.0" | "24" )
        VFR=2
        ;;
    "25.000" | "25.00" | "25.0" | "25" )
        VFR=3
        ;;
    "29.970" | "29.97" )
        VFR=4
        ;;
    "30.000" | "30.00" | "30.0" | "30" )
        VFR=5
        ;;
esac

encode2mpeg -o $resultName -avionly -vfr $VFR -encode 2:2:$N_PASSES -acustom "cbr:br=$A_BITRATE" -vf harddup -vbitrate $V_BITRATE -setaspect 320 $file