transcodeVideos.sh

#!/bin/bash

downloadDirectory="$DOWNLOAD_FOLDER"
contentDirectory="$CONTENT_FOLDER"
preset="$PRESET"
crf="$CRF"

if [ ! -n "$downloadDirectory" ]; then
    downloadDirectory="/content"
fi

if [ ! -n "$contentDirectory" ]; then
    contentDirectory="/content"
fi

if [ ! -n "$preset" ]; then
    preset=veryfast
fi

if [ ! -n "$crf" ]; then
    preset="23"
fi

mkdir -p "$downloadDirectory"
mkdir -p "$contentDirectory"

for file in "$downloadDirectory"/*.transcode; do
    if [[ -f "$file" ]]; then
        exit 0
    fi
done

for file in "$downloadDirectory"/*.transcode.queue; do
    if [[ -f "$file" ]]; then
        videoId=$(basename "$file" | cut -d '.' -f 1)

        mv "$file" "$downloadDirectory/$videoId.transcode"

        echo -e "\n--------------------------------\n"
        echo "Starting Transcode ($videoId)"
        echo -e "\n--------------------------------\n"
        
        videoCodec=$(ffprobe \
            -v error \
            -select_streams v:0 \
            -show_entries stream=codec_name \
            -of default=noprint_wrappers=1:nokey=1 \
            "$downloadDirectory/$videoId.video" \
            | head -n 1)

        if [ "$videoCodec" = "h264" ]; then
            ffmpeg \
                -hide_banner \
                -i "$downloadDirectory/$videoId.video" \
                -i "$downloadDirectory/$videoId.audio" \
                -c:v copy \
                -c:a copy \
                -f hls \
                -hls_playlist_type vod \
                -hls_flags single_file \
                "$downloadDirectory/$videoId.m3u8"
        else
            ffmpeg \
                -hide_banner \
                -i "$downloadDirectory/$videoId.video" \
                -i "$downloadDirectory/$videoId.audio" \
                -c:v libx264 \
                -c:a copy \
                -preset $preset \
                -crf $crf \
                -r 30 \
                -f hls \
                -hls_playlist_type vod \
                -hls_flags single_file \
                "$downloadDirectory/$videoId.m3u8"
        fi

        mv "$downloadDirectory/$videoId.ts" "$downloadDirectory/$videoId.ts.temp"
        mv "$downloadDirectory/$videoId.m3u8" "$downloadDirectory/$videoId.m3u8.temp"

        rsync -avh "$downloadDirectory/$videoId.ts.temp" "$contentDirectory/$videoId.ts"
        rsync -avh "$downloadDirectory/$videoId.m3u8.temp" "$contentDirectory/$videoId.m3u8"

        rm "$downloadDirectory/$videoId.ts.temp" "$downloadDirectory/$videoId.m3u8.temp"
        rm "$downloadDirectory/$videoId.video" "$downloadDirectory/$videoId.audio"
        rm "$downloadDirectory/$videoId.transcode"

        echo -e "\n--------------------------------\n"
        echo "Finished Transcode ($videoId)"
        echo -e "\n--------------------------------\n"
    fi
done