#!/usr/bin/env bash

if which tput >/dev/null 2>&1; then
    ncolors=$(tput colors)
fi
if [ -t 1 ] && [ -n "$ncolors" ] && [ "$ncolors" -ge 8 ]; then
    RED="$(tput setaf 1)"
    GREEN="$(tput setaf 2)"
    YELLOW="$(tput setaf 3)"
    BLUE="$(tput setaf 4)"
    MAGENTA="$(tput setaf 5)"
    CYAN="$(tput setaf 6)"
    BOLD="$(tput bold)"
    NORMAL="$(tput sgr0)"
else
    RED=""
    GREEN=""
    YELLOW=""
    BLUE=""
    MAGENTA=""
    CYAN=""
    BOLD=""
    NORMAL=""
fi

use_gpu=0

if [[ $# < 2 || $# > 3 ]]; then
    printf "${BOLD}${RED}Usage: $0 <filename> <output name> <optional: use-gpu (1|0), defaults to $use_gpu> ${NORMAL}\n"
    exit 1
fi

filename=$(basename -- "$1")
output_name="$2"

if [[ $# > 2 ]]; then
    use_gpu=$3
fi

# Found the following to work best with vids containing text (e.g. programming vid): 25 for CPU encoding and 27 for GPU.
use_crf=21
if [[ $use_gpu -eq 1 ]]; then
    use_crf=25
fi

compress-video-with-crf $use_crf "$filename" "$output_name" $use_gpu