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

65 lines
1.6 KiB
Bash

#!/usr/bin/env bash
# This is for reencoding an FLV video to mp4 using an mpeg4 encoder.
# Can optionally compress the video.
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: $0 <compress 1|0> <filename> <optional output name>${NORMAL}\n"
exit 1
fi
compress="$1"
filename=$(basename -- "$2")
extension="${filename##*.}"
filename="${filename%.*}"
output="$3"
if [[ $output == "" ]]; then
output="${filename}_CONVERTED"
fi
printf "\n${YELLOW}${BOLD}Encoding '$filename.$extension' | compress: $compress | output: $output.mp4${NORMAL}\n"
if [[ $compress -eq 1 ]]; then
temp_output="temp_$output.mp4"
else
temp_output="$output.mp4"
fi
# convert first.
# we convert then compress instead of compressing on first pass because this results in a slightly higher bitrate.
ffmpeg -y -stats -loglevel level+error -vsync 0 -hwaccel cuvid -c:v h264_cuvid -i "$filename.$extension" -c:a aac -c:v h264_nvenc -b:v 5M "$temp_output"
if [[ $compress -eq 1 ]]; then
compress-video 1 "$temp_output" "$output"
rm "$temp_output"
else
printf "\n"
fi
printf "${GREEN}${BOLD}Done encoding '$filename.$extension' to '$output.mp4'${NORMAL}\n\n"