dotfiles/bin/convert-video-avi-to-mp4

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#!/usr/bin/env bash
# This is for reencoding an AVI video. I wasn't able to play the encoded videos
# on my phone when using libx264 and libx265 encoders, but mpeg4 works. Also
# I'm using the aac codec because some old avi's were using a codec that's not
# supported in the mp4 container.
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
if [[ $1 == "" || $2 == "" ]]; then
printf "${BOLD}${RED}Usage: $0 <filename> <bitrate, e.g. \"4000k\"> <optional output name>${NORMAL}\n"
exit 1
fi
filename=$(basename -- "$1")
extension="${filename##*.}"
filename="${filename%.*}"
bitrate="$2"
output_name="$3"
if [[ $output_name == "" ]]; then
output="${filename}_CONVERTED-${bitrate}.mp4"
else
output="${output_name}.mp4"
fi
printf "\n${YELLOW}${BOLD}Encoding '$filename.$extension' with target bitrate $bitrate | output: $output${NORMAL}\n"
ffmpeg -i "$filename.$extension" -c:a aac -c:v mpeg4 -b:v $bitrate "$output"
printf "\n${GREEN}${BOLD}Done encoding '$filename.$extension' to '$output'${NORMAL}\n\n"