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December 28, 2021 21:41
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Script to convert videos to web compatible formats.
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| #!/bin/bash | |
| printf "\e[1;36m\n\ | |
| _ _ ____ _ \n\ | |
| __ _(_) __| | ___ ___ ___|___ \__ _____| |__ \n\ | |
| \ \ / / |/ _\` |/ _ \/ _ \/ __| __) \ \ /\ / / _ \ '_ \ \n\ | |
| \ V /| | (_| | __/ (_) \__ \/ __/ \ V V / __/ |_) | \n\ | |
| \_/ |_|\__,_|\___|\___/|___/_____| \_/\_/ \___|_.__/ \n\ | |
| https://gist.github.com/joshua-barnett/0764f654ba992b663ee9\n\ | |
| Usage: \n\ | |
| $ ./videos2web.sh input_directory/ output_directory \e[m\\n" | |
| if [ -z $1 ] | |
| then | |
| printf "\e[1;31mMissing input directory argument.\e[m\\n" | |
| exit 0 | |
| fi | |
| if [ -z $2 ] | |
| then | |
| printf "\e[1;31mMissing output directory argument.\e[m\\n" | |
| exit 0 | |
| fi | |
| input_directory=$1 | |
| output_directory=$2 | |
| if ! [ -d ${input_directory} ] | |
| then | |
| printf "\e[1;31mInvalid input directory argument.\e[m\\n" | |
| exit 0 | |
| fi | |
| if ! [ -d ${output_directory} ] | |
| then | |
| printf "\e[1;31mInvalid output directory argument.\e[m\\n" | |
| exit 0 | |
| fi | |
| loglevel=info | |
| codecs=(libx264, libvpx, libtheora) | |
| function encodeMP4 { | |
| local filepath=$1 | |
| local resolution=$2 | |
| local output_directory=$3 | |
| if ! [ -r ${filepath} ] | |
| then | |
| printf "\e[1;33mInput file either does not exist or isn't readable.\e[m\\n" | |
| return | |
| fi | |
| if [ -z ${resolution} ] | |
| then | |
| printf "\e[1;33mNo resolution argument supplied.\e[m\\n" | |
| return | |
| fi | |
| if ! [ -d ${output_directory} ] | |
| then | |
| mkdir -p ${output_directory} | |
| printf "\e[1;33mCreated output directory.\e[m\\n" | |
| fi | |
| local file=${filepath##*/} | |
| local filename=${file%.*} | |
| case ${resolution} in | |
| '360p') | |
| local video_bitrate="500k" | |
| local video_buffer_size="1000k" | |
| local video_scale="640:360" | |
| local audio_bitrate="128k" | |
| ;; | |
| '480p') | |
| local video_bitrate="1250k" | |
| local video_buffer_size="2500k" | |
| local video_scale="854:480" | |
| local audio_bitrate="128k" | |
| ;; | |
| '720p') | |
| local video_bitrate="2500k" | |
| local video_buffer_size="5000k" | |
| local video_scale="1280:720" | |
| local audio_bitrate="128k" | |
| ;; | |
| *) | |
| printf "\e[1;33mInvalid resolution must be 360p, 480p, or 720p.\e[m\\n" | |
| return | |
| ;; | |
| esac | |
| local output_file="${output_directory}/${filename}_${resolution}.mp4" | |
| if [ -a ${output_file} ] | |
| then | |
| printf "\e[1;33mOutput file already exists, delete '${output_file}' to re-encode.\e[m\\n" | |
| return | |
| fi | |
| printf "\e[1;32mEncoding ${filepath} => ${output_file}:\n[vb: ${video_bitrate}, vbs: ${video_buffer_size}, vs: ${video_scale}, ab: ${audio_bitrate}]\e[m\\n" | |
| ffmpeg -y -i "${filepath}" -codec:v libx264 -profile:v high422 -preset slow -b:v "${video_bitrate}" -maxrate "${video_bitrate}" -bufsize "${video_buffer_size}" -vf scale="${video_scale}" -threads 4 -pass 1 -an -f mp4 -f mp4 /dev/null -nostdin && \ | |
| ffmpeg -i "${filepath}" -codec:v libx264 -profile:v high422 -preset slow -b:v "${video_bitrate}" -maxrate "${video_bitrate}" -bufsize "${video_buffer_size}" -vf scale="${video_scale}" -threads 4 -pass 2 -codec:a libfdk_aac -b:a "${audio_bitrate}" -movflags +faststart -f mp4 "${output_file}" -nostdin | |
| } | |
| function encodeOGV { | |
| local filepath=$1 | |
| local resolution=$2 | |
| local output_directory=$3 | |
| if ! [ -r ${filepath} ] | |
| then | |
| printf "\e[1;33mInput file either does not exist or isn't readable.\e[m\\n" | |
| return | |
| fi | |
| if [ -z ${resolution} ] | |
| then | |
| printf "\e[1;33mNo resolution argument supplied.\e[m\\n" | |
| return | |
| fi | |
| if ! [ -d ${output_directory} ] | |
| then | |
| mkdir -p ${output_directory} | |
| printf "\e[1;33mCreated output directory.\e[m\\n" | |
| fi | |
| local file=${filepath##*/} | |
| local filename=${file%.*} | |
| case ${resolution} in | |
| '360p') | |
| local video_bitrate="500k" | |
| local video_buffer_size="1000k" | |
| local video_scale="640:360" | |
| local audio_bitrate="128k" | |
| ;; | |
| '480p') | |
| local video_bitrate="1250k" | |
| local video_buffer_size="2500k" | |
| local video_scale="854:480" | |
| local audio_bitrate="128k" | |
| ;; | |
| '720p') | |
| local video_bitrate="2500k" | |
| local video_buffer_size="5000k" | |
| local video_scale="1280:720" | |
| local audio_bitrate="128k" | |
| ;; | |
| *) | |
| printf "\e[1;33mInvalid resolution must be 360p, 480p, or 720p.\e[m\\n" | |
| return | |
| ;; | |
| esac | |
| local output_file="${output_directory}/${filename}_${resolution}.ogv" | |
| if [ -a ${output_file} ] | |
| then | |
| printf "\e[1;33mOutput file already exists, delete '${output_file}' to re-encode.\e[m\\n" | |
| return | |
| fi | |
| printf "\e[1;32mEncoding ${filepath} => ${output_file}:\n[vb: ${video_bitrate}, vbs: ${video_buffer_size}, vs: ${video_scale}, ab: ${audio_bitrate}]\e[m\\n" | |
| ffmpeg -y -i "${filepath}" -codec:v libtheora -b:v "${video_bitrate}" -maxrate "${video_bitrate}" -bufsize "${video_buffer_size}" -vf scale="${video_scale}" -threads 4 -an -pass 1 -f ogg /dev/null -nostdin && \ | |
| ffmpeg -i "${filepath}" -codec:v libtheora -b:v "${video_bitrate}" -maxrate "${video_bitrate}" -bufsize "${video_buffer_size}" -vf scale="${video_scale}" -threads 4 -codec:a libvorbis -b:a "${audio_bitrate}" -movflags +faststart -pass 2 -f ogg "${output_file}" -nostdin | |
| } | |
| function encodeWEBM { | |
| local filepath=$1 | |
| local resolution=$2 | |
| local output_directory=$3 | |
| if ! [ -r ${filepath} ] | |
| then | |
| printf "\e[1;33mInput file either does not exist or isn't readable.\e[m\\n" | |
| return | |
| fi | |
| if [ -z ${resolution} ] | |
| then | |
| printf "\e[1;33mNo resolution argument supplied.\e[m\\n" | |
| return | |
| fi | |
| if ! [ -d ${output_directory} ] | |
| then | |
| mkdir -p $output_directory | |
| printf "\e[1;33mCreated output directory.\e[m\\n" | |
| fi | |
| local file=${filepath##*/} | |
| local filename=${file%.*} | |
| case ${resolution} in | |
| '360p') | |
| local video_bitrate="500k" | |
| local video_buffer_size="1000k" | |
| local video_scale="640:360" | |
| local audio_bitrate="128k" | |
| ;; | |
| '480p') | |
| local video_bitrate="1250k" | |
| local video_buffer_size="2500k" | |
| local video_scale="854:480" | |
| local audio_bitrate="128k" | |
| ;; | |
| '720p') | |
| local video_bitrate="2500k" | |
| local video_buffer_size="5000k" | |
| local video_scale="1280:720" | |
| local audio_bitrate="128k" | |
| ;; | |
| *) | |
| printf "\e[1;33mInvalid resolution must be 360p, 480p, or 720p.\e[m\\n" | |
| return | |
| ;; | |
| esac | |
| local output_file="${output_directory}/${filename}_${resolution}.webm" | |
| if [ -a ${output_file} ] | |
| then | |
| printf "\e[1;33mOutput file already exists, delete '${output_file}' to re-encode.\e[m\\n" | |
| return | |
| fi | |
| printf "\e[1;32mEncoding ${filepath} => ${output_file}:\n[vb: ${video_bitrate}, vbs: ${video_buffer_size}, vs: ${video_scale}, ab: ${audio_bitrate}]\e[m\\n" | |
| ffmpeg -y -i "${filepath}" -codec:v libvpx -quality good -cpu-used 0 -b:v "${video_bitrate}" -qmin 10 -qmax 42 -maxrate "${video_bitrate}" -bufsize "${video_buffer_size}" -threads 4 -vf scale="${video_scale}" -an -pass 1 -f webm /dev/null -nostdin && \ | |
| ffmpeg -i "${filepath}" -codec:v libvpx -quality good -cpu-used 0 -b:v "${video_bitrate}" -qmin 10 -qmax 42 -maxrate "${video_bitrate}" -bufsize "${video_buffer_size}" -threads 4 -vf scale="${video_scale}" -codec:a libvorbis -b:a "${audio_bitrate}" -pass 2 -f webm "${output_file}" -nostdin | |
| } | |
| find ${input_directory}/ -type f \( -name "*.mts" -o -name "*.mov" -o -name "*.mp4" \) | while read filepath; do | |
| file=${filepath##*/} | |
| filename=${file%.*} | |
| # 360p | |
| encodeOGV $filepath "360p" "${output_directory}/${filename}" | |
| encodeMP4 $filepath "360p" "${output_directory}/${filename}" | |
| encodeWEBM $filepath "360p" "${output_directory}/${filename}" | |
| # 480p | |
| encodeOGV $filepath "480p" "${output_directory}/${filename}" | |
| encodeMP4 $filepath "480p" "${output_directory}/${filename}" | |
| encodeWEBM $filepath "480p" "${output_directory}/${filename}" | |
| # 720p | |
| encodeOGV $filepath "720p" "${output_directory}/${filename}" | |
| encodeMP4 $filepath "720p" "${output_directory}/${filename}" | |
| encodeWEBM $filepath "720p" "${output_directory}/${filename}" | |
| done | |
| # Removing logs generated from 2 pass encoding. | |
| find ${output_directory} -maxdepth 1 -type f -name "*.log*" -delete |
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