80 lines
1.8 KiB
Julia
80 lines
1.8 KiB
Julia
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using CondaPkg
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using PythonCall
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using Images
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using ImageView
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import VideoIO
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using GLMakie
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##
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VideoIO.TestVideos.available()
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videoFile = VideoIO.TestVideos.testvideo("black_hole")
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VideoIO.playvideo(videoFile)
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close(videoFile)
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##
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cam = VideoIO.opencamera("/dev/video0")
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img = read(cam)
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# @show VideoIO.framerate(cam)
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# cam |> close
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try
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img = read(cam)
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obs_img = GLMakie.Observable(GLMakie.rotr90(img))
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scene = GLMakie.Scene(camera=GLMakie.campixel!, resolution=reverse(size(img)))
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GLMakie.image!(scene, obs_img)
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display(scene)
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fps = VideoIO.framerate(cam)
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while GLMakie.isopen(scene)
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img = read(cam)
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obs_img[] = GLMakie.rotr90(img)
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sleep(1 / fps)
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end
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finally
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close(cam)
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end
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##
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cam = VideoIO.opencamera("/dev/video0")
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imgstack = []
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secrec = 1
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frames = 30*secrec
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framecounter = 0
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fps = VideoIO.framerate(cam)
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try
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# read the first image in start
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img = read(cam)
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obs_img = GLMakie.Observable(GLMakie.rotr90(img))
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scene = GLMakie.Scene(camera=GLMakie.campixel!, size=reverse(size(img)))
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# set the first image on screen of Makie window
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GLMakie.image!(scene, obs_img)
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# display the GLMakie scene
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display(scene)
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# until the window is open
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i = 0
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while GLMakie.isopen(scene)
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# read from camera
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img = read(cam)
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# we can process our image here
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# you should comment below 4 lines if don't wanna save
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# img = process(img)
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# push!(imgstack, img)
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# framecounter = framecounter + 1
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# if(framecounter == frames) break end
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# update image in the window
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# obs_img[] = GLMakie.rotr90(img)
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# delay to achieve right framerate
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# also when you don't delay, it ends up hanging everything as
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# it's a while loop with no control and huge number of reads.
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sleep(1e-6)
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end
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finally
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close(cam)
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end
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