leporel/Transcode_HDR_subfolders_auto.sh

## tools
#!/bin/bash

if ! command -v mediainfo --version &> /dev/null
 then
  echo 'Additions tools is not installed.' >&2
  wget https://mediaarea.net/repo/deb/repo-mediaarea_1.0-24_all.deb \
  && dpkg -i repo-mediaarea_1.0-24_all.deb \
  && apt-get update \
  && apt-get -y install mediainfo
  rm repo-mediaarea_1.0-24_all.deb
fi

if ! command -v mkvmerge --version &> /dev/null
 then
wget -O /usr/share/keyrings/gpg-pub-moritzbunkus.gpg https://mkvtoolnix.download/gpg-pub-moritzbunkus.gpg \
	&& echo "deb [arch=amd64 signed-by=/usr/share/keyrings/gpg-pub-moritzbunkus.gpg] https://mkvtoolnix.download/ubuntu/ jammy main" >> /etc/apt/sources.list.d/mkvtoolnix.list \
	&& echo "deb-src [arch=amd64 signed-by=/usr/share/keyrings/gpg-pub-moritzbunkus.gpg] https://mkvtoolnix.download/ubuntu/ jammy main" >> /etc/apt/sources.list.d/mkvtoolnix.list \
	&& apt-get update \
	&& apt-get -y install mkvtoolnix
fi

if [ ! -f "hdr10plus_tool" ]; then
  curl -LO "https://github.com/quietvoid/hdr10plus_tool/releases/download/1.6.0/hdr10plus_tool-1.6.0-x86_64-unknown-linux-musl.tar.gz"
  tar -xzvf "./hdr10plus_tool-1.6.0-x86_64-unknown-linux-musl.tar.gz"
  rm  ./hdr10plus_tool-1.6.0-x86_64-unknown-linux-musl.tar.gz
fi

## Transcode_HDR_subfolders_auto.sh
#!/bin/bash

Help()
{
   # Display Help
   echo "Encodes to the specified CRF while preserving HDR metadata, can downscale to 1080."
   echo "Requires ffprobe, mkvpropedit, mediainfo, hdr10plus_tool."
   echo
   echo "Syntax: $0 [-q <15-40>] [-p <h265 preset>] [-s]"
   echo "$0 -q 21 -p medium -s"
   echo "options:"
   echo "q     CRF betwin 15 and 40"
   echo "s     scale to 1080p"
   echo "p     preset, default slow"
   echo
   exit
}

crf=0
SCALE=""
preset="slow"

[ $# -eq 0 ] && Help

while getopts "q:sp:" o; do
	case "${o}" in
		q)
			 if [ ${OPTARG} -gt 14 ]; then
				crf=${OPTARG}
			 else
				echo "CRF too small"
				exit 0
			 fi
			;;
		s)
			SCALE=("-vf" "scale=-1:1080") # дальше костыль еще по коду
			;;
		p)
			preset=${OPTARG}
			;;
		\?) # incorrect option
			echo "Error: Invalid option"
			Help
			;;
	esac
done

shift $((OPTIND-1))

 if [ "$crf" -lt 14 ]; then
  echo "CRF not selected"
  exit 0
 fi

echo "CRF = $crf"
echo "Scale = ${SCALE[@]}"
echo "Preset = $preset"

log_file=`date +"%Y%m%dT%H%M"`
touch ./$log_file.log
exec &> >(tee -a "./$log_file.log")


# Pre-defined RGB & WP values for BT.2020
BT2020_xW=0.3127
BT2020_yW=0.3290
BT2020_xR=0.708
BT2020_yR=0.292
BT2020_xG=0.17
BT2020_yG=0.797
BT2020_xB=0.131
BT2020_yB=0.046

# Pre-defined RGB & WP values for P3-D65
P3D65_xW=0.3127
P3D65_yW=0.3290
P3D65_xR=0.680
P3D65_yR=0.320
P3D65_xG=0.265
P3D65_yG=0.690
P3D65_xB=0.150
P3D65_yB=0.060


shopt -s globstar
for i in ./**/*.*; do
  echo "ITER = $i"
  ext=${i##*.}

  if [ "$ext" == "ts" -o "$ext" == "MP4" -o "$ext" == "mp4" -o "$ext" == "avi" -o "$ext" == "mkv" ]; then
		if [[ "$i" == *"_k."* ]] || [ -f "${i%.*}_k.mkv" ]; then
			echo "File found! Skip";
			continue
		fi

		if [ -f "$i" ]; then
			COLORS=$(ffprobe -show_streams -v error "$i" |egrep "^color_transfer|^color_space=|^color_primaries=" |head -3)
			for C in $COLORS; do
				if [[ "$C" = "color_space="* ]]; then
						COLORSPACE=${C##*=}
				elif [[ "$C" = "color_transfer="* ]]; then
						COLORTRANSFER=${C##*=}
				elif [[ "$C" = "color_primaries="* ]]; then
						COLORPRIMARIES=${C##*=}
				fi
			done

			colourSpace=$(mediainfo --Inform="Video;%MasteringDisplay_ColorPrimaries%" "$i")
			height=`ffprobe -v error -select_streams v:0 -show_entries stream=height -of csv=s=x:p=0 "$i" | cut -d 'x' -f 1`

			SCALEF=${SCALE[@]}
			if [[ $height -gt 1700 ]] && [[ ! -z "$SCALE" ]]; then
				 SCALEF=("-vf" "zscale=-1:$(($height / 2)):filter=spline36")
			fi

			echo "		COLORSPACE = $COLORSPACE ($colourSpace)
		COLORTRANSFER = $COLORTRANSFER
		COLORPRIMARIES = $COLORPRIMARIES"

			if [ "${COLORSPACE}" = "bt2020nc" ] && [ "${COLORTRANSFER}" = "smpte2084" ] && [ "${COLORPRIMARIES}" = "bt2020" ]; then
					enc_opts="aq-mode=2:colorprim=bt2020:transfer=smpte2084:colormatrix=bt2020nc"

					hdr10plus=$(ffmpeg -loglevel panic -i "$i" -c:v copy -vbsf hevc_mp4toannexb -f hevc - | ./hdr10plus_tool --verify extract - 2>&1)

					if [[ $hdr10plus == *"File doesn't contain dynamic metadata"* ]]; then
						echo "File doesn't contain HDR10+ dynamic metadata"
					elif [[ $hdr10plus == *"Dynamic HDR10+ metadata detected"* ]]; then
						hdr10plus_file="${i%.*}_metadata.json"
						ffmpeg -i "$i" -c:v copy -vbsf hevc_mp4toannexb -f hevc - | ./hdr10plus_tool extract -o "$hdr10plus_file" -
						echo "Dynamic HDR10+ metadata detected. Metadata saved to $hdr10plus_file"
						enc_opts="aq-mode=2:colorprim=bt2020:transfer=smpte2084:colormatrix=bt2020nc:hdr10=1:dhdr10-info=$hdr10plus_file"
					else
						echo "Unknown hdr10plus_tool output: $hdr10plus"
					fi

					ffmpeg -stats_period 3 -i "$i" ${SCALEF[@]} -max_muxing_queue_size 2064 -map 0 -c:a copy -c:s copy -c:v libx265 -preset "$preset" -crf "$crf" -profile:v main10 -pix_fmt yuv420p10le \
					-x265-params "$enc_opts" "${i%.*}_k.mkv" || exit 1;

					# Extract values from source video
					colourSpace=$(mediainfo --Inform="Video;%MasteringDisplay_ColorPrimaries%" "$i")
					luminance=$(mediainfo --Inform="Video;%MasteringDisplay_Luminance%" "$i")
					maxCLL=$(mediainfo --Inform="Video;%MaxCLL%" "$i")
					maxFALL=$(mediainfo --Inform="Video;%MaxFALL%" "$i")

					# Print results from MediaInfo
					echo "Colour Space: $colourSpace"
					echo "Luminance: $luminance"
					echo "MaxCLL: $maxCLL"
					echo "MaxFALL: $maxFALL"

					# Change IFS to split strings on spaces
					IFS_old="$IFS"
					IFS=' '

					# Extract max and min lumanances
					read -ra luminances <<< "$luminance"
					minLuminance=${luminances[1]}
					maxLuminance=${luminances[4]}

					# Extract MaxCLL
					read -ra maxcll <<< "$maxCLL"
					maxCLL_noUnit=${maxcll[0]}

					# Extract MaxFALL
					read -ra maxfall <<< "$maxFALL"
					maxFALL_noUnit=${maxfall[0]}

					# Reset IFS
					IFS=$IFS_old

					# Print extracted values
					echo "Minimum luminance: $minLuminance"
					echo "Maximum luminance: $maxLuminance"
					echo "MaxCLL: $maxCLL_noUnit"
					echo "MaxFALL: $maxFALL_noUnit"

					# Edit second input based on values extracted from MediaInfo
					if [ "$colourSpace" == "BT.2020" ]; then
						mkvpropedit "${i%.*}_k.mkv" --edit track:v1 --set chromaticity-coordinates-red-x="$BT2020_xR" \
						--set chromaticity-coordinates-red-y="$BT2020_yR" \
						--set chromaticity-coordinates-green-x="$BT2020_xG" \
						--set chromaticity-coordinates-green-y="$BT2020_yG" \
						--set chromaticity-coordinates-blue-x="$BT2020_xB" \
						--set chromaticity-coordinates-blue-y="$BT2020_yB" \
						--set white-coordinates-x="$BT2020_xW" \
						--set white-coordinates-y="$BT2020_yW" \
						--set max-luminance="$maxLuminance" \
						--set min-luminance="$minLuminance" \
						--set max-content-light="$maxCLL_noUnit" \
						--set max-frame-light="$maxFALL_noUnit"
					elif [ "$colourSpace" == "Display P3" ]; then
						mkvpropedit "${i%.*}_k.mkv" --edit track:v1 --set chromaticity-coordinates-red-x="$P3D65_xR" \
						--set chromaticity-coordinates-red-y="$P3D65_yR" \
						--set chromaticity-coordinates-green-x="$P3D65_xG" \
						--set chromaticity-coordinates-green-y="$P3D65_yG" \
						--set chromaticity-coordinates-blue-x="$P3D65_xB" \
						--set chromaticity-coordinates-blue-y="$P3D65_yB" \
						--set white-coordinates-x="$P3D65_xW" \
						--set white-coordinates-y="$P3D65_yW" \
						--set max-luminance="$maxLuminance" \
						--set min-luminance="$minLuminance" \
						--set max-content-light="$maxCLL_noUnit" \
						--set max-frame-light="$maxFALL_noUnit"
					else
						echo "Unknown colour space: $colourSpace"
					fi


			else
					echo  '"$i" SDR file, no need to convert!'
			fi

		fi
  fi
 done
	#!/bin/bash

	if ! command -v mediainfo --version &> /dev/null
	then
	echo 'Additions tools is not installed.' >&2
	wget https://mediaarea.net/repo/deb/repo-mediaarea_1.0-24_all.deb \
	&& dpkg -i repo-mediaarea_1.0-24_all.deb \
	&& apt-get update \
	&& apt-get -y install mediainfo
	rm repo-mediaarea_1.0-24_all.deb
	fi

	if ! command -v mkvmerge --version &> /dev/null
	then
	wget -O /usr/share/keyrings/gpg-pub-moritzbunkus.gpg https://mkvtoolnix.download/gpg-pub-moritzbunkus.gpg \
	&& echo "deb [arch=amd64 signed-by=/usr/share/keyrings/gpg-pub-moritzbunkus.gpg] https://mkvtoolnix.download/ubuntu/ jammy main" >> /etc/apt/sources.list.d/mkvtoolnix.list \
	&& echo "deb-src [arch=amd64 signed-by=/usr/share/keyrings/gpg-pub-moritzbunkus.gpg] https://mkvtoolnix.download/ubuntu/ jammy main" >> /etc/apt/sources.list.d/mkvtoolnix.list \
	&& apt-get update \
	&& apt-get -y install mkvtoolnix
	fi

	if [ ! -f "hdr10plus_tool" ]; then
	curl -LO "https://github.com/quietvoid/hdr10plus_tool/releases/download/1.6.0/hdr10plus_tool-1.6.0-x86_64-unknown-linux-musl.tar.gz"
	tar -xzvf "./hdr10plus_tool-1.6.0-x86_64-unknown-linux-musl.tar.gz"
	rm ./hdr10plus_tool-1.6.0-x86_64-unknown-linux-musl.tar.gz
	fi
	#!/bin/bash

	Help()
	{
	# Display Help
	echo "Encodes to the specified CRF while preserving HDR metadata, can downscale to 1080."
	echo "Requires ffprobe, mkvpropedit, mediainfo, hdr10plus_tool."
	echo
	echo "Syntax: $0 [-q <15-40>] [-p <h265 preset>] [-s]"
	echo "$0 -q 21 -p medium -s"
	echo "options:"
	echo "q CRF betwin 15 and 40"
	echo "s scale to 1080p"
	echo "p preset, default slow"
	echo
	exit
	}

	crf=0
	SCALE=""
	preset="slow"

	[ $# -eq 0 ] && Help

	while getopts "q:sp:" o; do
	case "${o}" in
	q)
	if [ ${OPTARG} -gt 14 ]; then
	crf=${OPTARG}
	else
	echo "CRF too small"
	exit 0
	fi
	;;
	s)
	SCALE=("-vf" "scale=-1:1080") # дальше костыль еще по коду
	;;
	p)
	preset=${OPTARG}
	;;
	\?) # incorrect option
	echo "Error: Invalid option"
	Help
	;;
	esac
	done

	shift $((OPTIND-1))

	if [ "$crf" -lt 14 ]; then
	echo "CRF not selected"
	exit 0
	fi

	echo "CRF = $crf"
	echo "Scale = ${SCALE[@]}"
	echo "Preset = $preset"

	log_file=`date +"%Y%m%dT%H%M"`
	touch ./$log_file.log
	exec &> >(tee -a "./$log_file.log")


	# Pre-defined RGB & WP values for BT.2020
	BT2020_xW=0.3127
	BT2020_yW=0.3290
	BT2020_xR=0.708
	BT2020_yR=0.292
	BT2020_xG=0.17
	BT2020_yG=0.797
	BT2020_xB=0.131
	BT2020_yB=0.046

	# Pre-defined RGB & WP values for P3-D65
	P3D65_xW=0.3127
	P3D65_yW=0.3290
	P3D65_xR=0.680
	P3D65_yR=0.320
	P3D65_xG=0.265
	P3D65_yG=0.690
	P3D65_xB=0.150
	P3D65_yB=0.060


	shopt -s globstar
	for i in ./*/.*; do
	echo "ITER = $i"
	ext=${i##*.}

	if [ "$ext" == "ts" -o "$ext" == "MP4" -o "$ext" == "mp4" -o "$ext" == "avi" -o "$ext" == "mkv" ]; then
	if [[ "$i" == "_k." ]] \|\| [ -f "${i%.*}_k.mkv" ]; then
	echo "File found! Skip";
	continue
	fi

	if [ -f "$i" ]; then
	COLORS=$(ffprobe -show_streams -v error "$i" \|egrep "^color_transfer\|^color_space=\|^color_primaries=" \|head -3)
	for C in $COLORS; do
	if [[ "$C" = "color_space="* ]]; then
	COLORSPACE=${C##*=}
	elif [[ "$C" = "color_transfer="* ]]; then
	COLORTRANSFER=${C##*=}
	elif [[ "$C" = "color_primaries="* ]]; then
	COLORPRIMARIES=${C##*=}
	fi
	done

	colourSpace=$(mediainfo --Inform="Video;%MasteringDisplay_ColorPrimaries%" "$i")
	height=`ffprobe -v error -select_streams v:0 -show_entries stream=height -of csv=s=x:p=0 "$i" \| cut -d 'x' -f 1`

	SCALEF=${SCALE[@]}
	if [[ $height -gt 1700 ]] && [[ ! -z "$SCALE" ]]; then
	SCALEF=("-vf" "zscale=-1:$(($height / 2)):filter=spline36")
	fi

	echo " COLORSPACE = $COLORSPACE ($colourSpace)
	COLORTRANSFER = $COLORTRANSFER
	COLORPRIMARIES = $COLORPRIMARIES"

	if [ "${COLORSPACE}" = "bt2020nc" ] && [ "${COLORTRANSFER}" = "smpte2084" ] && [ "${COLORPRIMARIES}" = "bt2020" ]; then
	enc_opts="aq-mode=2:colorprim=bt2020:transfer=smpte2084:colormatrix=bt2020nc"

	hdr10plus=$(ffmpeg -loglevel panic -i "$i" -c:v copy -vbsf hevc_mp4toannexb -f hevc - \| ./hdr10plus_tool --verify extract - 2>&1)

	if [[ $hdr10plus == "File doesn't contain dynamic metadata" ]]; then
	echo "File doesn't contain HDR10+ dynamic metadata"
	elif [[ $hdr10plus == "Dynamic HDR10+ metadata detected" ]]; then
	hdr10plus_file="${i%.*}_metadata.json"
	ffmpeg -i "$i" -c:v copy -vbsf hevc_mp4toannexb -f hevc - \| ./hdr10plus_tool extract -o "$hdr10plus_file" -
	echo "Dynamic HDR10+ metadata detected. Metadata saved to $hdr10plus_file"
	enc_opts="aq-mode=2:colorprim=bt2020:transfer=smpte2084:colormatrix=bt2020nc:hdr10=1:dhdr10-info=$hdr10plus_file"
	else
	echo "Unknown hdr10plus_tool output: $hdr10plus"
	fi

	ffmpeg -stats_period 3 -i "$i" ${SCALEF[@]} -max_muxing_queue_size 2064 -map 0 -c:a copy -c:s copy -c:v libx265 -preset "$preset" -crf "$crf" -profile:v main10 -pix_fmt yuv420p10le \
	-x265-params "$enc_opts" "${i%.*}_k.mkv" \|\| exit 1;

	# Extract values from source video
	colourSpace=$(mediainfo --Inform="Video;%MasteringDisplay_ColorPrimaries%" "$i")
	luminance=$(mediainfo --Inform="Video;%MasteringDisplay_Luminance%" "$i")
	maxCLL=$(mediainfo --Inform="Video;%MaxCLL%" "$i")
	maxFALL=$(mediainfo --Inform="Video;%MaxFALL%" "$i")

	# Print results from MediaInfo
	echo "Colour Space: $colourSpace"
	echo "Luminance: $luminance"
	echo "MaxCLL: $maxCLL"
	echo "MaxFALL: $maxFALL"

	# Change IFS to split strings on spaces
	IFS_old="$IFS"
	IFS=' '

	# Extract max and min lumanances
	read -ra luminances <<< "$luminance"
	minLuminance=${luminances[1]}
	maxLuminance=${luminances[4]}

	# Extract MaxCLL
	read -ra maxcll <<< "$maxCLL"
	maxCLL_noUnit=${maxcll[0]}

	# Extract MaxFALL
	read -ra maxfall <<< "$maxFALL"
	maxFALL_noUnit=${maxfall[0]}

	# Reset IFS
	IFS=$IFS_old

	# Print extracted values
	echo "Minimum luminance: $minLuminance"
	echo "Maximum luminance: $maxLuminance"
	echo "MaxCLL: $maxCLL_noUnit"
	echo "MaxFALL: $maxFALL_noUnit"

	# Edit second input based on values extracted from MediaInfo
	if [ "$colourSpace" == "BT.2020" ]; then
	mkvpropedit "${i%.*}_k.mkv" --edit track:v1 --set chromaticity-coordinates-red-x="$BT2020_xR" \
	--set chromaticity-coordinates-red-y="$BT2020_yR" \
	--set chromaticity-coordinates-green-x="$BT2020_xG" \
	--set chromaticity-coordinates-green-y="$BT2020_yG" \
	--set chromaticity-coordinates-blue-x="$BT2020_xB" \
	--set chromaticity-coordinates-blue-y="$BT2020_yB" \
	--set white-coordinates-x="$BT2020_xW" \
	--set white-coordinates-y="$BT2020_yW" \
	--set max-luminance="$maxLuminance" \
	--set min-luminance="$minLuminance" \
	--set max-content-light="$maxCLL_noUnit" \
	--set max-frame-light="$maxFALL_noUnit"
	elif [ "$colourSpace" == "Display P3" ]; then
	mkvpropedit "${i%.*}_k.mkv" --edit track:v1 --set chromaticity-coordinates-red-x="$P3D65_xR" \
	--set chromaticity-coordinates-red-y="$P3D65_yR" \
	--set chromaticity-coordinates-green-x="$P3D65_xG" \
	--set chromaticity-coordinates-green-y="$P3D65_yG" \
	--set chromaticity-coordinates-blue-x="$P3D65_xB" \
	--set chromaticity-coordinates-blue-y="$P3D65_yB" \
	--set white-coordinates-x="$P3D65_xW" \
	--set white-coordinates-y="$P3D65_yW" \
	--set max-luminance="$maxLuminance" \
	--set min-luminance="$minLuminance" \
	--set max-content-light="$maxCLL_noUnit" \
	--set max-frame-light="$maxFALL_noUnit"
	else
	echo "Unknown colour space: $colourSpace"
	fi



	else
	echo '"$i" SDR file, no need to convert!'
	fi

	fi
	fi
	done