Converts Dolby Vision Profile 5 encoded video files into format acceptable to Plex

dvplexfix.sh

#!/usr/bin/env bash

origfile="$(realpath "${1}")"
basefile="$(basename "${origfile}")"
basedir="$(dirname "${origfile}")"
ext="${basefile##*.}"
newfile="$(basename -s "${ext}" "${origfile}")nodv.${ext}"

echo "Transcoding File ${basefile} in ${basedir}..."

# Yanked from jellyfin Dolby Vision Profile 5 transcode example
# https://github.com/jellyfin/jellyfin/commit/3beda02d925c74c7a7083eaee733537f3396ec92
# https://github.com/jellyfin/jellyfin-ffmpeg/pull/151/files

docker run -v "${basedir}":/data:rw --runtime=nvidia --entrypoint /usr/lib/jellyfin-ffmpeg/ffmpeg jellyfin/jellyfin \
  -init_hw_device cuda=cu:0 \
  -filter_hw_device cu \
  -hwaccel cuda \
  -hwaccel_output_format cuda \
  -threads 1 \
  -autorotate 0 \
  -i "/data/${basefile}" \
  -movflags use_metadata_tags \
  -map 0 \
  -autoscale 0 \
  -threads 0 \
  -codec:v:0 h264_nvenc \
  -preset p1 \
  -b:v 21000000 \
  -maxrate 21000000 \
  -bufsize 81398350 \
  -profile:v:0 high \
  -g:v:0 72 \
  -keyint_min:v:0 72 \
  -vf setparams=color_primaries=bt2020:color_trc=smpte2084:colorspace=bt2020nc,tonemap_cuda=format=yuv420p:p=bt709:t=bt709:m=bt709:tonemap=bt2390:peak=100:desat=0 \
  -c:a copy \
  -c:s copy \
  "/data/${newfile}"