using CondaPkg
using PythonCall
using Images
using ImageView
import VideoIO
using GLMakie

cv2 = pyimport("cv2")

###

py2a(frame) = pyconvert(Array{Float32, 3}, frame) / 255;
py2a(frame) = PyArray(frame)
a2rgb(frame) = RGB{N0f8}.((@view frame[:, :, 3])/255 .* 1, (@view frame[:, :, 2])/255 .* 1, (@view frame[:, :, 1])/255 .* 1)
py2rgb(frame) = frame |> py2a |> a2rgb

blueth(pixel, th) = pixel.b > th ? 1.0f0 : 0.0f0
##


vid = cv2.VideoCapture(0) 
vid.set(3,1920)
vid.set(4,1080)
_, img = vid.read()
a = img |> PyArray;
frame = img |> py2rgb |> GLMakie.rotr90;
image(frame)
vid.release()

##

vid = cv2.VideoCapture(0) 
vid.set(3,1920)
vid.set(4,1080)
try
    _, frame = vid.read()
    frame = py2rgb(frame)
    obs_img = GLMakie.Observable(GLMakie.rotr90(frame))
    scene = GLMakie.Scene(camera=GLMakie.campixel!, size=reverse(size(frame)))
    GLMakie.image!(scene, obs_img)
    display(scene)
    while GLMakie.isopen(scene)
        _, img = vid.read()
        frame = img |> py2rgb |> GLMakie.rotr90
        obs_img[] = frame #blueth.(frame, 0.97)
        sleep(1/9000)
    end
finally
    vid.release()
end

##

vid = cv2.VideoCapture(0) 
for i = 1:100
    ret, frame = vid.read()
    cv2.imshow("frame", frame) 
    sleep(1/60)
end
vid.release()