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import processing.video.*;
Capture c;
VideoBuffer vb;
void setup()
{
size(200, 200);
vb = new VideoBuffer(30, width, height);
c = new Capture(this, width, height, 30);
}
void captureEvent(Capture c)
{
c.read();
vb.addFrame(c);
}
void draw()
{
image(vb.getFrame(), 0, 0);
}
class VideoBuffer
{
PImage[] b;
int s;
int w;
int h;
int cur;
VideoBuffer(int s, int w, int h)
{
this.b = new PImage[s];
for (int i=0; i<s; i++) {
this.b[i] = new PImage(w, h);
}
this.s = s;
this.w = w;
this.h = h;
}
void addFrame(PImage f)
{
System.arraycopy(f.pixels, 0, b[cur].pixels, 0, w * h);
b[cur].updatePixels();
cur = (cur + 1) % s;
}
PImage getFrame()
{
int i = int(random(s));
return b[i];
}
}
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