SBWO/cam_test_python.jl

60 lines
1.2 KiB
Julia

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()