#!/bin/bash

INPUT=$1
FILENAME=${INPUT%%.*}
OUTPUT="$FILENAME.mp4"

echo "-> Converting $INPUT to $OUTPUT file"

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

ffmpeg -i $INPUT \
  -b:v 3000k \
  -vcodec libx264 \
  -acodec copy \
  -coder 1 \
  -flags +loop -cmp +chroma -partitions +parti4x4+partp8x8+partb8x8 \
  -subq 5 \
  -me_range 16 \
  -g 250 \
  -keyint_min 25 \
  -sc_threshold 40 \
  -i_qfactor 0.71 \
  -threads 2 \
  $OUTPUT