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vmafer
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#!/usr/bin/env bash
# trap ctrl-c and call ctrl_c()
trap ctrl_c INT
function ctrl_c() {
echo "Exiting."
exit 1
}
usage() {
cat - <<EOF
Usage: $NAME -e <ENCODED FILE> -s <SOURCE FILE>
-h|--help: show this help message
-e|--encoded: encoded file to test
-s|--source: original source file
--no-ssim: disable ssim calculation
--no-ms_ssim: disable ms_ssim calculation
--no-psnr: disable psnr calculation
--no-adm: disable adm calculation
--no-motion2: disable motion2 calculation
--no-ciede: disable ciede calculation
--subsample: set number of frames to subsample (default: equal to frame rate)
--log: override default vmaf logfile destination
--log-format: specify vmaf log format (csv, json, xml, or sub, default: csv)
--model: override default vmaf model (full path to model json)
--threads: specify number of threads (default: no limit)
--cropped: encoded file is cropped, so cropdetect the source and filter it
-d|--debug: enable debugging output
EOF
}
while [ $# -gt 0 ]; do
OPT="$1"
case "${OPT}" in
-e|--encoded)
shift
ENCODED="${1}"
if [ ! -s "$ENCODED" ]; then
echo "Error reading encoded file: $ENCODED"
exit 1
fi
shift;;
-s|--source)
shift
SOURCE="${1}"
if [ ! -s "$SOURCE" ]; then
echo "Error reading source file: $SOURCE"
exit 1
fi
shift;;
--subsample)
shift
SUBSAMPLE="${1}"
shift;;
--log)
shift
LOG="${1}"
shift;;
--log-format)
shift
if [[ "csv json xml sub" == *"${1}"* ]]; then
LOG_FORMAT="${1}"
else
echo "invalid log format"
exit 1
fi
shift;;
--model)
shift
MODEL="${1}"
shift;;
--threads)
shift
THREADS="${1}"
shift;;
-d|--debug)
DEBUG=1
shift;;
--no-ssim)
NOSSIM=1
shift;;
--no-ms_ssim)
NOMSSSIM=1
shift;;
--no-psnr)
NOPSNR=1
shift;;
--no-cambi)
NOCAMBI=1
shift;;
--no-vif)
NOVIF=1
shift;;
--no-adm)
NOADM=1
shift;;
--no-motion2)
NOMOTION2=1
shift;;
--no-ciede)
NOCIEDE=1
shift;;
--cropped)
CROPPED=1
shift;;
-h|--help)
usage
exit;;
*)
echo "$0: invalid option ${1}"
echo "$0 -h for usage options"
usage
exit 1;;
esac
done
# Check for tool dependencies
SELF_FULLPATH=`realpath $0`
SELF_DIR=`dirname $SELF_FULLPATH`
# Override default tool list, we only need these two
TOOLS=(ffmpeg ffprobe bc mediainfo jq base64 awk)
# Does not depend on any other scripts
SCRIPTS=(cropfinder)
if [ ! -r $SELF_DIR/toolchecker ]; then
echo "toolchecker not found."
exit 1
else
. $SELF_DIR/toolchecker
fi
if [ -z "$ENCODED" ]; then
echo "Must supply encoded (-e/--encoded) file"
usage
exit 1
fi
if [ -z "$SOURCE" ]; then
echo "Must supply source (-s/--source) file"
usage
exit 1
fi
## START BUILDING THE VMAF_PARAMS STRING
MI=$($MEDIAINFO --output=JSON "$SOURCE" | $BASE64)
if [ -z "$MODEL" ]; then
WIDTH=`echo "${MI}" | $BASE64 --decode | $JQ -r '.media.track[] | select (."@type"=="Video").Width'`
[ $DEBUG ] && echo "SOURCE WIDTH: $WIDTH"
[ $WIDTH -gt 1920 ] && MODELFILE="vmaf_4k_v0.6.1.json" || MODELFILE="vmaf_v0.6.1.json"
[ $DEBUG ] && echo "MODELFILE: $MODELFILE"
if [ ! -z "${VMAF_MODELPATH}" ] && [ -d ${VMAF_MODELPATH} ] && [ -f ${VMAF_MODELPATH}/${MODELFILE} ]; then
MODEL="${VMAF_MODELPATH}/${MODELFILE}"
elif [ ! -z "${FFMPEG_PREFIX}" ] && [ -d "${FFMPEG_PREFIX}" ] && [ -f ${FFMPEG_PREFIX}/share/vmaf/model/${MODELFILE} ]; then
MODEL="/opt/ffmpeg5/share/vmaf/model/${MODELFILE}"
else
fail "<> No model file provided, no model file located, we have no model, repeat: we have no model."
fi
VMAF_PARAMS="model='path=${MODEL}'"
[ $DEBUG ] && echo "VMAF_PARAMS MODEL PATH: $VMAF_PARAMS"
else
VMAF_PARAMS="model='path=${MODEL}'"
fi
if [ -z "$SUBSAMPLE" ]; then
FRAME_RATE=`$FFPROBE -v error -select_streams v -of default=noprint_wrappers=1:nokey=1 -show_entries stream=r_frame_rate "$SOURCE" | $BC -l`
SUBSAMPLE=`printf "%.0f\n" "$FRAME_RATE"`
fi
VMAF_PARAMS="${VMAF_PARAMS}:n_subsample=${SUBSAMPLE}"
F_DURATION=$($FFPROBE -v error -select_streams v -of default=noprint_wrappers=1:nokey=1 -show_entries format=duration "$SOURCE")
I_DURATION=$(echo ${F_DURATION} | awk -F. '{print $1}')
DURATION=$(echo "${I_DURATION} * ${FRAME_RATE} / ${SUBSAMPLE}" | bc)
[ -z "$LOG_FORMAT" ] && LOG_FORMAT="csv"
VMAF_PARAMS="${VMAF_PARAMS}:log_fmt=${LOG_FORMAT}"
[ -z "$LOG" ] && LOG="$(basename "${ENCODED}" .mkv).vmaf"
VMAF_PARAMS="${VMAF_PARAMS}:log_path=${LOG}"
VMAF_FEATURES=""
## EXAMPLE FROM https://ffmpeg.org/ffmpeg-all.html#libvmaf
#feature=name=psnr|name=ciede
#SSIM="feature='name=float_ssim':feature='name=ssim':ssim=1'"
SSIM="name=float_ssim"
[ ! $NOSSIM ] && VMAF_FEATURES="${VMAF_FEATURES}|$SSIM"
#MSSSIM="feature='name=float_ms_ssim':feature='name=ms_ssim':ms_ssim=1"
MSSSIM="name=float_ms_ssim"
[ ! $NOMSSSIM ] && VMAF_FEATURES="${VMAF_FEATURES}|$MSSSIM"
#PSNR="feature='name=psnr':feature='name=psnr_hvs'"
PSNR="name=psnr"
[ ! $NOPSNR ] && VMAF_FEATURES="${VMAF_FEATURES}|$PSNR"
VIF="name=vif"
[ ! $NOVIF ] && VMAF_FEATURES="${VMAF_FEATURES}|$VIF"
CAMBI="name=cambi"
[ ! $NOCAMBI ] && VMAF_FEATURES="${VMAF_FEATURES}|$CAMBI"
ADM="name=adm"
[ ! $NOADM ] && VMAF_FEATURES="${VMAF_FEATURES}|$ADM"
MOTION2="name=motion"
[ ! $NOMOTION2 ] && VMAF_FEATURES="${VMAF_FEATURES}|$MOTION2"
CIEDE="name=ciede"
[ ! $NOCIEDE ] && VMAF_FEATURES="${VMAF_FEATURES}|$CIEDE"
VMAF_PARAMS="${VMAF_PARAMS}:feature=${VMAF_FEATURES#"|"}"
[ -n "$THREADS" ] && VMAF_PARAMS="threads=${THREADS}:${VMAF_PARAMS}"
if [ $CROPPED ]; then
echo "The encoded file is cropped, detecting crop for make-a the magic"
INPUT="${SOURCE}"
INPUT_WIDTH=`$MEDIAINFO --Output=JSON "${INPUT}" | $JQ -r '.media.track[] | select(."@type" == "Video" ).Width'`
INPUT_HEIGHT=`$MEDIAINFO --Output=JSON "${INPUT}" | $JQ -r '.media.track[] | select(."@type" == "Video" ).Height'`
CFOUTPUT=$($CROPFINDER -i "$INPUT" -s 10 -d)
[ $DEBUG ] && echo "$CFOUTPUT"
CROP=$(echo "$CFOUTPUT" | tail -n1)
IFS=':' read width height left top <<< "$(echo "$CROP" | ${AWK} -F= '{print $2}')"
if [ $INPUT_WIDTH -eq $width ] && [ $INPUT_HEIGHT -eq $height ]; then
echo "## No crop detected"
else
if [ $height -eq 1072 ]; then
[ $DEBUG ] && echo "The dumb eight pixel height crop, ignoring"
height=1080
top=0
CROP="crop=$width:1080:$left:0"
fi
if [ $width -eq 1904 ] && [ $INPUT_WIDTH -ne 1904 ]; then
[ $DEBUG ] && echo "The dumb sixteen pixel width crop, ignoring"
width=1920
left=0
CROP="crop=$width:$height:$left:$top"
fi
if [ $width -ne $INPUT_WIDTH ] && [ $height -ne $INPUT_HEIGHT ]; then
[ $DEBUG ] && echo "Crop detected in both dimensions, that's not great"
if [ $left -gt $top ]; then
[ $DEBUG ] && echo "Maintaining input height ($INPUT_HEIGHT)"
if [ $(( $height + 2 * $top )) -ne $INPUT_HEIGHT ]; then
GUTTERS=$(( ($INPUT_HEIGHT - $height) / 2 ))
PAD="pad=$width:$INPUT_HEIGHT:0:$GUTTERS"
CROP="$CROP,$PAD"
[ $DEBUG ] && echo "Evenly padding crop height ($height) back to input height ($INPUT_HEIGHT) with gutters ($GUTTERS)"
else
width=$INPUT_WIDTH
CROP="crop=$width:$INPUT_HEIGHT:$left:0"
[ $DEBUG ] && echo "Using original input height ($INPUT_HEIGHT)"
fi
elif [ $top -gt $left ]; then
[ $DEBUG ] && echo "Maintaining input width ($INPUT_WIDTH)"
if [ $(( $width + 2 * $left )) -ne $INPUT_WIDTH ]; then
GUTTERS=$(( ($INPUT_WIDTH - $width) / 2 ))
PAD="pad=$INPUT_WIDTH:$height:$GUTTERS:$top"
CROP="$CROP,$PAD"
[ $DEBUG ] && echo "Evenly padding crop width ($width) back to input width ($INPUT_WIDTH) with gutters ($GUTTERS)"
else
width=$INPUT_WIDTH
CROP="crop=$INPUT_WIDTH:$height:0:$top"
[ $DEBUG ] && echo "Using original input width ($INPUT_WIDTH)"
fi
else
echo "## Ran out of cropping ideas. Look at this crop with your eyes, type it in with your hands."
echo "## This is what cropfinder delivered: ${CROP}"
exit 1
fi
fi
if [ $INPUT_WIDTH -eq $width ] && [ $INPUT_HEIGHT -eq $height ]; then
echo "## After much consideration, no crop required"
else
echo "## ${CROP}"
fi
fi
fi
[ -n "$CROP" ] && LAVFI="[1:v]$CROP[source];[0:v][source]libvmaf=${VMAF_PARAMS}" || LAVFI="[0:v][1:v]libvmaf=${VMAF_PARAMS}"
if [ $DEBUG ]; then
echo ">> COMMAND"
echo nice -n 5 ${FFMPEG} -analyzeduration 100 -probesize 100M -loglevel quiet -stats -t ${DURATION} -i "${ENCODED}" -i "${SOURCE}" -map 0:v -map 1:v -map_chapters -1 -lavfi ${LAVFI} -f null -
read -p "Press y to continue, any other key to exit..." confirm
case $confirm in
[Yy] ) true;;
* ) exit;;
esac
fi
set -x
nice -n 5 ${FFMPEG} -analyzeduration 100 -probesize 100M -loglevel quiet -stats -t ${DURATION} -i "${ENCODED}" -i "${SOURCE}" -map 0:v -map 1:v -map_chapters -1 -lavfi ${LAVFI} -f null -
{ set +x; } 2>/dev/null