#!/bin/sh

INPUT="$1.vob"
OUTPUT="$1.mp4"
shift
BITRATE="2000k"

ABITRATE="128k"
BITRATE1="$BITRATE"
BITRATE2="$BITRATE"
MINRATE="0k"
MAXRATE="8000k"

PASSLOG="/tmp/ffmpeg.log"

ARGS=$@

rm x264_2pass.log
rm ffmpeg2pass-0.log

ffmpeg -i "$INPUT" -an -pass 1 -vcodec h264 -b "$BITRATE1" -flags +loop -cmp   \
       +chroma -partitions +parti4x4+partp8x8+partb8x8 -me hex -subq 1 \
       -trellis 0 -refs 1 -bf 16 -b_strategy 1 -coder 1 -me_range 16 -g 250    \
       -keyint_min 25 -sc_threshold 40 -i_qfactor 0.71 \
       -maxrate "$MAXRATE" -minrate "$MINRATE" -bufsize "$BITRATE2" \
       -rc_eq 'blurCplx^(1-qComp)' -qcomp 0.6 -qmin 10 -qmax 51 -qdiff 4 \
       "$OUTPUT"

rm "$OUTPUT"

ffmpeg -i "$INPUT" -acodec aac -ab "$ABITRATE" -alang ENG -async 1 -pass 2 -vcodec h264 -b "$BITRATE1"  \
        -flags +loop -cmp +chroma -partitions +parti8x8+parti4x4+partp8x8+partp4x4+partb8x8 \
        -flags2 brdo+8x8dct+wpred+bpyramid+mixed_refs -me umh -subq 7 -trellis 1 -refs 6 \
        -bf 16 -directpred 3 -b_strategy 1 -bidir_refine 1 -coder 1 -me_range 16 -g 250 \
        -keyint_min 25 -sc_threshold 40 -i_qfactor 0.71 \
        -maxrate "$MAXRATE" -minrate "$MINRATE" -bufsize "$BITRATE2" \
        -rc_eq 'blurCplx^(1-qComp)' -qcomp 0.6 -qmin 10 -qmax 51 -qdiff 4 \
        $ARGS "$OUTPUT"