#!/bin/bash
if [ "$1" = "" ]
then
	echo "usage: iPhone-EncDir input_directory"
	exit 0
fi
MAXRATE="1450k"
VBITR=512
ABITR=96
VWIDTH=480
HASPR=480
VASPR=320
VHIGHT=$(echo "$VWIDTH/$HASPR*$VASPR" | bc)
CROPT=6
CROPB=6
CROPL=8
CROPR=8
THREADS=1
echo video bitrate: $VBITR
echo audio bitrate: $ABITR
echo video size: "$VWIDTH"x"$VHIGHT"
echo aspect ratio: $HASPR:$VASPR
echo unscaled crop "(top)": $CROPT
echo unscaled crop "(bottom)": $CROPB
echo unscaled crop "(left)": $CROPL
echo unscaled crop "(right)": $CROPR

for i in $( ls "$1" ); do
        IFILE="$1""$i"
        OFILE="$i".mp4

ffmpeg -an -pass 1 -i "$IFILE" -croptop "$CROPT" -cropbottom "$CROPB" -cropleft "$CROPL" -cropright "$CROPR" -s "$VWIDTH"x"$VHIGHT" -aspect "$HASPR":"$VASPR" -vcodec libx264 -flags +loop -cmp +chroma -partitions +parti4x4+partp4x4+partp8x8+partb8x8 -subq 1 -trellis 0 -refs 2 -coder 0 -me_range 24 -g 250 -keyint_min 30 -sc_threshold 40 -i_qfactor 0.71 -flags2 -bpyramid-wpred-mixed_refs-dct8x8+fastpskip -b "$VBITR"k -minrate 75k -maxrate $MAXRATE -bufsize 10M -rc_eq 'blurCplx^(1-qComp)' -qcomp 0.75 -qmin 10 -qmax 51 -qdiff 9 -level 30 "$OFILE" && rm "$OFILE"

ffmpeg -i "$IFILE" -acodec libfaac -ab "$ABITR"k -ar 44100 -pass 2 -deinterlace -croptop "$CROPT" -cropbottom "$CROPB" -cropleft "$CROPL" -cropright "$CROPR" -s "$VWIDTH"x"$VHIGHT" -aspect "$HASPR":"$VASPR" -vcodec libx264 -flags +loop -cmp +chroma -partitions +parti4x4+partp4x4+partp8x8+partb8x8 -subq 1 -trellis 2 -refs 4 -coder 0 -me_range 24 -g 250 -keyint_min 30 -sc_threshold 40 -i_qfactor 0.71 -b "$VBITR"k -minrate 75k -maxrate $MAXRATE -bufsize 10M -rc_eq 'blurCplx^(1-qComp)' -qcomp 0.75 -qmin 10 -qmax 51 -qdiff 9 -level 30 "$OFILE" && mv "$IFILE" /home/oem/e/encoding/encoded/"IFILE" && rm ffmpeg2pass-0.log x264_2pass.log

done