#!/bin/bash

INPUT=$1
OUTPUT_DIR=$2

if [ -z "$OUTPUT_DIR" ]; then
    OUTPUT_DIR="."
fi

FILENAME=`basename ${INPUT%%.*}`
OUTPUT="$OUTPUT_DIR/$FILENAME.avi"

echo "-> Converting $INPUT to 480p downscaled $OUTPUT file"

if [[ -e "$OUTPUT" ]]; then
  echo "-E- Output file $OUTPUT already exists. Aborting..."
  exit 1
fi

# scale=720:-2 
# profile=asp5

mencoder \
  -mc 0 \
  -noskip \
  -vf expand=:::::16/9,hqdn3d,harddup,scale=720:-2 \
  -ovc xvid -oac mp3lame \
  -xvidencopts fixed_quant=3.8:me_quality=6:noqpel:nogmc:trellis:chroma_me:chroma_opt:hq_ac:vhq=4:lumi_mask:max_key_interval=300:quant_type=mpeg:max_bframes=2:closed_gop:nopacked:autoaspect:bvhq=1:threads=4 \
  -lameopts vbr=2:q=1:aq=2 \
  -o $OUTPUT $INPUT

echo "-> DONE!!!"