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libraries/FastLED/dev/test_video_fx.hpp

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+/// @file    VideoTest.ino
+/// @brief   Demonstrates a video test using NoisePalette to generate content
+/// @example VideoTest.ino
+
+#include <FastLED.h>
+#include "fx/2d/video.hpp"
+#include "fx/2d/noisepalette.hpp"
+#include "fx/fx_engine.h"
+#include "ref.h"
+
+#define LED_PIN 2
+#define BRIGHTNESS 96
+#define LED_TYPE WS2811
+#define COLOR_ORDER GRB
+
+#define MATRIX_WIDTH 16
+#define MATRIX_HEIGHT 16
+#define NUM_LEDS (MATRIX_WIDTH * MATRIX_HEIGHT)
+
+#define SCALE 20
+#define SPEED 30
+
+CRGB leds[NUM_LEDS];
+
+VideoFxRef videoFx;
+NoisePaletteRef noisePalette;
+FxEngine fxEngine(NUM_LEDS);
+
+void setup() {
+    delay(1000); // sanity delay
+    FastLED.addLeds<LED_TYPE, LED_PIN, COLOR_ORDER>(leds, NUM_LEDS)
+        .setCorrection(TypicalLEDStrip);
+    FastLED.setBrightness(BRIGHTNESS);
+
+    // Create and initialize XYMap
+    XYMap xymap(MATRIX_WIDTH, MATRIX_HEIGHT);
+
+    // Create and initialize NoisePalette object
+    noisePalette = NoisePaletteRef::New(xymap);
+    noisePalette->lazyInit();
+    noisePalette->setSpeed(SPEED);
+    noisePalette->setScale(SCALE);
+
+    // Create and initialize VideoFx object
+    videoFx = VideoFxRef::New(xymap, noisePalette);
+    
+    // Add the video effect to the FxEngine
+    fxEngine.addFx(videoFx);
+}
+
+void loop() {
+    EVERY_N_MILLISECONDS(5000) { noisePalette->changeToRandomPalette(); }
+
+    // Draw the frame
+    fxEngine.draw(millis(), leds);
+
+    // Show the LEDs
+    FastLED.show();
+
+    FastLED.delay(1000 / 60); // 60 fps
+}