#!/bin/sh
test "$#" -eq 2 || exit 1
infile="$1"
outfile="$2"
avifile="$(mktemp --suffix=.avi)"
ppmfile="$(mktemp --suffix=.ppm)"
vktools="tools/Vulkan-Tools"
magick "$infile" -strip "$ppmfile"
"$vktools/build/cube/vkcube" --texture "$ppmfile" --width 100 --height 100 &
vkcube_pid=$!
sleep 3
wf-recorder -c huffyuv -y -f "$avifile" -g "$(swaymsg -t get_tree | jq -r 'recurse(.nodes[], .floating_nodes[]) | select(.name == "vkcube") | .rect| [.x+4,",",.y+4," ",.width-8,"x",.height-8] | join("")')" &
recorder_pid=$!
sleep 2
kill "$recorder_pid"
kill "$vkcube_pid"
ffmpeg -y -t 1.33 -i "$avifile" -filter_complex "[0:v]fps=20[v0],[v0]colorkey=0x00ff00,split[v1][v2];[v1]palettegen[p];[v2][p]paletteuse" "$outfile"
rm "$avifile" "$ppmfile"