#!/bin/sh

# mpv wrapper for video surveillance integration
# $Id: mpp,v 1.39 2024/01/13 20:41:41 pdc Exp $

resample1="--video-sync=display-resample"
resample0="--video-sync=display-resample-desync"
   desync="--video-sync=desync"
cam_arg="--framedrop=decoder+vo --vd-lavc-skiploopfilter=nonkey --stop-screensaver=no --cache-pause=no --sid=no --osd-bar=no --osd-level=3 --force-window --input-ar-delay=250 --input-ar-rate="

# Property list
# --title='${path} - ${media-title} - mpv'
arg2='--title=\${path} - \${media-title} - mpv'
#arg3='--script-opts=osc-title=${path} / ${media-title}'
arg3='--script-opts=osc-title=\${path} : \${media-title}'
cam_view=
zm=

case "$1" in
	DEL|DELS|ADD|ADDS|SEEN|SEENS) mpp-input "$@"; exit $? ;;
esac

playlist=`mktemp -t mpp.playlist`
echo '#EXTM3U' > "$playlist"

case "$1" in
	zm|zm2) 	zm=1 
		arg="$resample0"
		#arg="$desync"
		arg="$arg --screenshot-template=%f.%p.%n"
		#arg="$arg --demuxer=lavf --demuxer-lavf-probe-info=yes --demuxer-lavf-analyzeduration=2"
		arg="$arg --demuxer=lavf --demuxer-lavf-probe-info=no --demuxer-lavf-buffersize=10485760 --demuxer-lavf-analyzeduration=12"
		#arg="$arg --vo=gpu --hwdec=h264-vdpau"
		#arg="$arg --vo=gpu --hwdec=auto --hwdec-codecs=all"
		arg3="${arg3},osc-visibility=always"
		rate=
		speed=
		case `pwd` in
		*/xm2/*) rate=15; speed=6 ;;
		*/boa?/*) rate=5 ;;
		esac
		case "$1" in
		zm2)	[ -z "$rate" ] && rate=30
			[ -z "$speed" ] && speed=12
			arg="$arg --window-scale=1 ${cam_arg}$rate --speed=$speed" 
			arg="$arg --demuxer-max-back-bytes=40971520 --demuxer-max-bytes=50971520 --demuxer-readahead-secs=8"
			#arg="$arg --demuxer-max-back-bytes=409715200 --demuxer-max-bytes=509715200 --demuxer-readahead-secs=8"
			;;
		*)   	[ -z "$rate" ] && rate=15
			[ -z "$speed" ] && speed=6
			arg="$arg --window-scale=1 ${cam_arg}$rate --speed=$speed"
		esac
		cam_view=1
		shift ;;
		#;&
	cam|cam1) 
		arg="$resample0"
		arg="$arg --window-scale=1 ${cam_arg}15 --speed=4"
		cam_view=1
		shift ;;
	cam4) 
		arg="$resample0"
		arg="$arg --window-scale=1 ${cam_arg}7 --speed=4 --volume=60"
		cam_view=1
		shift ;;
	cam2) 
		arg="$resample0"
		arg="$arg --window-scale=2 ${cam_arg}15 --speed=5"
		cam_view=1
		shift ;;
	cam5) 
		arg="$desync"
		arg="$arg --window-scale=2 ${cam_arg}10 --speed=4"
		cam_view=1
		shift ;;
	input)
		arg="--input-test --force-window "
		fn="--idle"
		shift ;;
	test)
		arg="--force-window "
		fn="--idle"
		shift ;;

	jpg|mf:*)
		case "$1" in
		jpg) fn="mf://*.jp*g" ;;
		*) fn="$1" ;;
		esac
		arg3="${arg3},osc-visibility=always"
		arg="$arg --mf-fps=20"
		#arg="$arg --mf-fps=20 mf://*.jp*g"
		arg="$arg --screenshot-template=jpg.%p.%n"
		nowait=1
		shift ;;
	rm)
		rm `cat /tmp/far2l.list `
		exit $! ;;
esac


add1() {
		local a="$1"
		echo "a: $a"
		if [ -d "$a" ]; then
			#echo "  " find "$a" -depth 1 -name '*.[mM][pP]4'
			for l in `find "$a" -depth 1 -name '*.[mM][pP]4'`; do
			echo "   $l"
			if [ -z "$fn" ]; then
				fn="$l"
			else
				list="$list \"$l\""
				echo "#EXTALB:$a/$l" >> "$playlist"
				echo "#EXTINF:9,$l" >> "$playlist"
				echo "$PWD/$l" >> "$playlist"
			fi
			done
		else
			if [ -z "$fn" -a -r "$a" ]; then
				fn="$a"
			else
				case "$a" in
				-proc*) 	do_processing=1 ;;
				-nowait) 	nowait=1 ;;
				-delseen) 	delseen="-delseen" ;;
				-*) 		tail="$tail \"$a\"" ;;	# args actually
				*) 
				list="$list \"$a\""
				echo "$PWD/$a" >> "$playlist"
				esac
			fi
		fi
}

if : || [ -n "$zm" ]; then	# process event dirs
	#local a e 
	list=
	echo "event dirs: $@"
	for a in "$@"; do
		case "$a" in
		*/far2l*.tmp|*/far2l.list|*/*.list) 
			echo far2l file list 
			cp -f "$a" /tmp/far2l.list
			while read e; do
				add1 "$e"
			done < "$a"
			;;
		*) 
			add1 "$a"
		esac
	done
	##echo "list: $list"
	#set -- $list
	set -- 
	#set -- "295615/295615-video.mp4"
	##echo -- list: "$@"
	#exit
	if [ -n "$list" ]; then
		#echo "--idle" >> "$playlist"
		#echo "pause" >> "$playlist"
		#list="--playlist=$playlist"
		list="--prefetch-playlist=yes --playlist=$playlist"
	fi

fi



fn=${fn:-"$1"}
shift

echo "fn=$fn"
case "$fn" in
*.[Aa][Vv][Ii]|*.[Mm][Pp]4|*.[Mm][Oo][Vv]|*.[Ww][Ee][Bb][Mm]|*.[Mm][Kk][Vv]) arg="$arg --screenshot-template=%f.%p.%n" ;;
esac

if [ -z "$fn" ]; then
	echo "Usage:
	$0 [cam|cam1|cam2|cam4|cam5|jpg|zm] <items>
far2l examples:
	(xterm -e mpp cam4 \"!@!\"& sleep 1)
	(xterm -e 'mpp zm \"!@!\" --no-cache -geometry=0x0+2700+0 --rebase-start-time=no|mpp-input' & sleep 2)
	(xterm -geom 120x30+1920+0 -e 'mpp zm \"!@!\" --no-cache -geometry=0x0+2700-1055 --volume=80 -proc' & sleep 2)
	(xterm -geom 120x30+1920+0 -e 'mpp zm2 \"!@!\" -geometry=0x0+2700-1055 --volume=80 -proc -delseen' & sleep 2)
	(xterm -geom 120x30+1920+0 -e 'mpp zm2 "!@!" -geometry=0x0+2700-1065 --volume=80 -proc -delseen' & sleep 2)

";
	exit 64
fi

#exit
if [ -n "$do_processing" ]; then
	processing="2>&1 | mpp-input $delseen"
fi
ao=
echo "arg: $arg"
echo mpv "$fn" -volume-max 400 --keep-open=yes --idle=yes $arg "$arg2" "$arg3" "$@" "$list" "$tail" "$processing"
eval mpv \""$fn"\" -volume-max 400 --keep-open=yes --idle=yes "$arg" \""$arg2"\" \""$arg3"\" "$@" "$list" "$tail" "$processing"

[ -z "$nowait" ] && sleep 5

rm "$playlist"

# https://en.wikipedia.org/wiki/M3U