SimpleCapture

import gohai.glvideo.*;
GLCapture video;

void setup() {
  size(320, 240, P2D); // Important to note the renderer

  // Get the list of cameras connected to the Pi
  String[] devices = GLCapture.list();
  println("Devices:");
  printArray(devices);

  // Get the resolutions and framerates supported by the first camera
  if (0 < devices.length) {
    String[] configs = GLCapture.configs(devices[0]);
    println("Configs:");
    printArray(configs);
  }

  // this will use the first recognized camera by default
  video = new GLCapture(this);

  // you could be more specific also, e.g.
  //video = new GLCapture(this, devices[0]);
  //video = new GLCapture(this, devices[0], 640, 480, 25);
  //video = new GLCapture(this, devices[0], configs[0]);

  video.start();
}

void draw() {
  background(0);
  // If the camera is sending new data, capture that data
  if (video.available()) {
    video.read();
  }
  // Copy pixels into a PImage object and show on the screen
  image(video, 0, 0, width, height);
}