#!/bin/bash
# Install videos of ZIP file to /userdata/OGST/
# Install scripts to /userdata/system/custom.sh and /userdata/system/scripts/OGST_screen.sh to use this script.

logo_folder='/userdata/OGST'
default_logo='start.mp4'
logo_file=""
loop=false
default_logo_loop=false
cache_file='/userdata/system/.cache/ffmpeg_PID'

clean_cache () {
	if [ -f $cache_file ]; then
		rm -f $cache_file
	fi
}

case "$1" in

    start)  
        # init TFT screen
        [ `/sbin/lsmod | grep -c spi_s3c64xx` -ge 1 ] && rmmod spi_s3c64xx
        modprobe spi_s3c64xx force32b=1
        modprobe fbtft_device name=hktft9340 busnum=1 rotate=270 force32b=1

        # wait fb1 loaded
        N=0
        while ! test -e /dev/fb1 -o $N -gt 15; do
                sleep 1
                let N++
        done

		# rename fb1 to fb_ (trick to ovoid conflics with some emulators like reicast...)
		mv /dev/fb1 /dev/fb_

		clean_cache
        logo_file=$default_logo && loop=default_logo_loop
    ;;

    stop)
		clean_cache
		logo_file='stop.mp4' && loop=false
	;;

	gameStop)
		logo_file=$default_logo && loop=default_logo_loop
	;;

	gameStart)
		logo_file=$default_logo && loop=default_logo_loop
		case "$2" in
			3do)				logo_file='3do/video.mp4' && loop=true ;;
			amiga)				logo_file='amiga/video.mp4' && loop=true ;;
			amigacd32)			logo_file='amigacd32/video.mp4' && loop=true ;;
			amstradcpc)			logo_file='amstradcpc/video.mp4' && loop=true ;;
			apple2)				logo_file='apple2/video.mp4' && loop=true ;;
			atari800)			logo_file='atari800/video.mp4' && loop=true ;;
			atari2600)			logo_file='atari2600/video.mp4' && loop=true ;;
			atari5200)			logo_file='atari5200/video.mp4' && loop=true ;;
			atari7800)			logo_file='atari7800/video.mp4' && loop=true ;;
			atarist)			logo_file='atarist/video.mp4' && loop=true ;;
			atomiswave)			logo_file='atomiswave/video.mp4' && loop=true ;;
			c64)				logo_file='c64/video.mp4' && loop=true ;;
			cavestory)			logo_file='cavestory/video.mp4' && loop=true ;;
			colecovision)		logo_file='colecovision/video.mp4' && loop=true ;;
			dreamcast)			logo_file='dreamcast/video.mp4' && loop=true ;;
			fba)				logo_file='fba/video.mp4' && loop=true ;;
			fds)				logo_file='fds/video.mp4' && loop=true ;;
			gameandwatch)		logo_file='gameandwatch/video.mp4' && loop=true ;;
			gamegear)			logo_file='gamegear/video.mp4' && loop=true ;;
			gb)					logo_file='gb/video.mp4' && loop=true ;;
			gba)				logo_file='gba/video.mp4' && loop=true ;;
			gbc)				logo_file='gbc/video.mp4' && loop=true ;;
			gx4000)				logo_file='gx4000/video.mp4' && loop=true ;;
			intellivision)		logo_file='intellivision/video.mp4' && loop=true ;;
			jaguar)				logo_file='jaguar/video.mp4' && loop=true ;;
			lynx)				logo_file='lynx/video.mp4' && loop=true ;;
			mame)				logo_file='mame/video.mp4' && loop=true ;;
			mastersystem)		logo_file='mastersystem/video.mp4' && loop=true ;;
			megadrive)			logo_file='megadrive/video.mp4' && loop=true ;;
			msx)				logo_file='msx/video.mp4' && loop=true ;;
			n64)				logo_file='n64/video.mp4' && loop=true ;;
			naomi)				logo_file='naomi/video.mp4' && loop=true ;;
			neogeo)				logo_file='neogeo/video.mp4' && loop=true ;;
			neogeocd)			logo_file='neogeocd/video.mp4' && loop=true ;;
			nes)				logo_file='nes/video.mp4' && loop=true ;;
			ngp)				logo_file='ngp/video.mp4' && loop=true ;;
			ngpc)				logo_file='ngpc/video.mp4' && loop=true ;;
			o2em)				logo_file='o2em/video.mp4' && loop=true ;;
			pcenginecd)			logo_file='pcenginecd/video.mp4' && loop=true ;;
			pcengine)			logo_file='pcengine/video.mp4' && loop=true ;;
			pcfx)				logo_file='pcfx/video.mp4' && loop=true ;;
			pokemini)			logo_file='pokemini/video.mp4' && loop=true ;;
			prboom)				logo_file='prboom/video.mp4' && loop=true ;;
			psp)				logo_file='psp/video.mp4' && loop=true ;;
			psx)				logo_file='psx/video.mp4' && loop=true ;;
			satellaview)		logo_file='satellaview/video.mp4' && loop=true ;;
			saturn)				logo_file='saturn/video.mp4' && loop=true ;;
			scummvm)			logo_file='scummvm/video.mp4' && loop=true ;;
			sega32x)			logo_file='sega32x/video.mp4' && loop=true ;;
			segacd)				logo_file='segacd/video.mp4' && loop=true ;;
			sg1000)				logo_file='sg1000/video.mp4' && loop=true ;;
			snes)				logo_file='snes/video.mp4' && loop=true ;;
			sufami)				logo_file='sufami/video.mp4' && loop=true ;;
			supergrafx)			logo_file='supergrafx/video.mp4' && loop=true ;;
			thomson)			logo_file='thomson/video.mp4' && loop=true ;;
			vectrex)			logo_file='vectrex/video.mp4' && loop=true ;;
			virtualboy)			logo_file='virtualboy/video.mp4' && loop=true ;;
			wswan)				logo_file='wswan/video.mp4' && loop=true ;;
			wswanc)				logo_file='atari800/video.mp4' && loop=true ;;
			x68000)				logo_file='x68000/video.mp4' && loop=true ;;
			zx81)				logo_file='zx81/video.mp4' && loop=true ;;
			zxspectrum)			logo_file='zxspectrum/video.mp4' && loop=true ;;
			*)
		esac
	;;
esac

draw_logo () {
	loop=0
	if [ $3 = true ]; then loop=-1; fi
    dd if=/dev/zero of=/dev/fb_ 2>/dev/null >/dev/null   #clear before draw
    ffmpeg -hide_banner -re -stream_loop $loop -i $1/$2 -c:v rawvideo -pix_fmt rgb565le -f fbdev /dev/fb_ 2>/dev/null >/dev/null &
	echo $! > $cache_file
}

# draw logo
if [ "$logo_file" != "" ]; then
	# kill last played video if running
	if [ -s $cache_file ] ; then
	    kill -9 $(cat $cache_file)
	fi
	# draw
	draw_logo $logo_folder $logo_file $loop
fi

exit 1