sound-visualizer/lib/chunk-ATKRKRC6.mjs

## Description

import {
  startAnalysis
} from "./chunk-XPCAL55N.mjs";
import {
  clearCanvas
} from "./chunk-GVWDEUAU.mjs";
import {
  frequencyValue
} from "./chunk-OLMUZMP2.mjs";
import {
  drawContinuousWave
} from "./chunk-COBSMVXT.mjs";

// src/continuous/main.ts
function continuousVisualizer(audio, canvas, drawOptions) {
  var _a;
  let animationFrameId = null;
  const audioHistory = new Array((_a = drawOptions == null ? void 0 : drawOptions.slices) != null ? _a : 100);
  const { analyse, disconnect } = startAnalysis(audio);
  function start() {
    if (animationFrameId !== null)
      cancelAnimationFrame(animationFrameId);
    function tick() {
      audioHistory.push(frequencyValue(analyse()));
      drawContinuousWave(canvas, audioHistory, drawOptions);
      animationFrameId = requestAnimationFrame(tick);
    }
    animationFrameId = requestAnimationFrame(tick);
  }
  function stop() {
    if (animationFrameId !== null)
      cancelAnimationFrame(animationFrameId);
    disconnect();
  }
  function reset() {
    stop();
    clearCanvas(canvas);
  }
  return { start, stop, reset };
}

export {
  continuousVisualizer
};