Added module tags and removed unecessary helper functions.

This commit is contained in:
Harrison Deng 2022-04-18 07:22:22 -05:00
parent 8300bbe00c
commit c87a4d9c49
18 changed files with 105 additions and 158 deletions

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@ -1,27 +0,0 @@
{
"source": "./src",
"destination": "./docs",
"plugins": [
{
"name": "esdoc-standard-plugin",
"option": {
"test": {
"source": "./tests/",
"interfaces": [
"describe",
"it",
"context",
"suite",
"test"
],
"includes": [
"(spec|Spec|test|Test)\\.js$"
],
"excludes": [
"\\.config\\.js$"
]
}
}
}
]
}

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@ -1,6 +1,7 @@
import VisualizerUpdateManager from "../visualization/VisualizerUpdateManager.js"; import VisualizerUpdateManager from "../visualization/VisualizerUpdateManager.js";
import { mapBinNumerical, mapRangedAvgNumerical } from "./numeric.js"; import { mapBinNumerical, mapRangedAvgNumerical } from "./numeric.js";
/** /**
* Maps the width of an element to frequency bin(s). * Maps the width of an element to frequency bin(s).
* *
@ -16,7 +17,7 @@ import { mapBinNumerical, mapRangedAvgNumerical } from "./numeric.js";
* @param {boolean} [conf.reversed=false] If true, then high amplitudes are mapped to lower values and vice versa. * @param {boolean} [conf.reversed=false] If true, then high amplitudes are mapped to lower values and vice versa.
* @returns {{bin: number, listener: VisualizerUpdateManager.visualizerBinUpdateListener}|{lower: number, upper: number, listener: VisualizerUpdateManager.visualizerRangedUpdateListener}} The listener that was added (ranged if an upper bound was provided, binned otherwise). * @returns {{bin: number, listener: VisualizerUpdateManager.visualizerBinUpdateListener}|{lower: number, upper: number, listener: VisualizerUpdateManager.visualizerRangedUpdateListener}} The listener that was added (ranged if an upper bound was provided, binned otherwise).
*/ */
export function mapWidth({ element, growLower, growUpper, unit, lowerBin, visUpdateManager, interpolator, upperBin = undefined, reversed = false }) { function mapWidth({ element, growLower, growUpper, unit, lowerBin, visUpdateManager, interpolator, upperBin = undefined, reversed = false }) {
const getter = () => element.style.width; const getter = () => element.style.width;
const setter = (value) => element.style.width = value + unit; const setter = (value) => element.style.width = value + unit;
const conf = { const conf = {
@ -54,7 +55,7 @@ export function mapWidth({ element, growLower, growUpper, unit, lowerBin, visUpd
* @param {boolean} [conf.reversed=false] If true, then high amplitudes are mapped to lower values and vice versa. * @param {boolean} [conf.reversed=false] If true, then high amplitudes are mapped to lower values and vice versa.
* @returns {{bin: number, listener: VisualizerUpdateManager.visualizerBinUpdateListener}|{lower: number, upper: number, listener: VisualizerUpdateManager.visualizerRangedUpdateListener}} The listener that was added (ranged if an upper bound was provided, binned otherwise). * @returns {{bin: number, listener: VisualizerUpdateManager.visualizerBinUpdateListener}|{lower: number, upper: number, listener: VisualizerUpdateManager.visualizerRangedUpdateListener}} The listener that was added (ranged if an upper bound was provided, binned otherwise).
*/ */
export function mapHeight({ element, growLower, growUpper, unit, lowerBin, visUpdateManager, interpolator, upperBin = undefined, reversed = false }) { function mapHeight({ element, growLower, growUpper, unit, lowerBin, visUpdateManager, interpolator, upperBin = undefined, reversed = false }) {
const getter = () => element.style.height; const getter = () => element.style.height;
const setter = (value) => element.style.height = value + unit; const setter = (value) => element.style.height = value + unit;
const conf = { const conf = {
@ -76,3 +77,6 @@ export function mapHeight({ element, growLower, growUpper, unit, lowerBin, visUp
} }
return mapBinNumerical(conf); return mapBinNumerical(conf);
} }
/**@module */
export { mapWidth, mapHeight };

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@ -1,4 +1,5 @@
import * as dimensions from "./dimensions.js"; import * as dimensions from "./dimensions.js";
import * as numeric from "./numeric.js"; import * as numeric from "./numeric.js";
/**@module */
export { dimensions, numeric }; export { dimensions, numeric };

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@ -28,7 +28,7 @@
* @param {boolean} [conf.reversed = false] If true, then high amplitudes will be mapped to low values and vice versa. * @param {boolean} [conf.reversed = false] If true, then high amplitudes will be mapped to low values and vice versa.
* @returns {{lower: number, upper: number, listener: VisualizerUpdateManager.visualizerRangedUpdateListener}} An object containing the lower and upper bounds for the range of a listener, which is also in the object. * @returns {{lower: number, upper: number, listener: VisualizerUpdateManager.visualizerRangedUpdateListener}} An object containing the lower and upper bounds for the range of a listener, which is also in the object.
*/ */
export function mapRangedAvgNumerical({ minVal, maxVal, lowerBin = undefined, upperBin, getter, setter, interpolator, visUpdateManager, reversed = false }) { function mapRangedAvgNumerical({ minVal, maxVal, lowerBin = undefined, upperBin, getter, setter, interpolator, visUpdateManager, reversed = false }) {
const rangedListener = { const rangedListener = {
lower: lowerBin, lower: lowerBin,
upper: upperBin, upper: upperBin,
@ -67,7 +67,7 @@ export function mapRangedAvgNumerical({ minVal, maxVal, lowerBin = undefined, up
* @param {boolean} [conf.reversed] If true, then high amplitudes will be mapped to lower values and vice versa. * @param {boolean} [conf.reversed] If true, then high amplitudes will be mapped to lower values and vice versa.
* @returns {{bin: number, listener: VisualizerUpdateManager.visualizerBinUpdateListener}} The bin listener that was added. * @returns {{bin: number, listener: VisualizerUpdateManager.visualizerBinUpdateListener}} The bin listener that was added.
*/ */
export function mapBinNumerical({ minVal, maxVal, bin, getter, setter, interpolator, visUpdateManager, reversed = false }) { function mapBinNumerical({ minVal, maxVal, bin, getter, setter, interpolator, visUpdateManager, reversed = false }) {
const listener = { const listener = {
bin: bin, bin: bin,
listener: (timeDelta, amp) => { listener: (timeDelta, amp) => {
@ -82,3 +82,6 @@ export function mapBinNumerical({ minVal, maxVal, bin, getter, setter, interpola
} }
return null; // Technically doesn't occur since the functions are anonymous? return null; // Technically doesn't occur since the functions are anonymous?
} }
/**@module */
export { mapRangedAvgNumerical, mapBinNumerical };

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@ -15,7 +15,7 @@ import { mapBinNumerical, mapRangedAvgNumerical } from "./numeric.js";
* @param {boolean} [rgbaMapConfiguration.reversed=true] If true, then the quieter, the greater the red value. * @param {boolean} [rgbaMapConfiguration.reversed=true] If true, then the quieter, the greater the red value.
* @returns {{bin: number, listener: VisualizerUpdateManager.visualizerBinUpdateListener}|{lower: number, upper: number, listener: visualizerRangedUpdateListener}} The ranged listener that was added. * @returns {{bin: number, listener: VisualizerUpdateManager.visualizerBinUpdateListener}|{lower: number, upper: number, listener: visualizerRangedUpdateListener}} The ranged listener that was added.
*/ */
export function mapRgba({ element, color, lowerBin, visUpdateManager, interpolator, upperBin = undefined, reversed = false }) { function mapRgba({ element, color, lowerBin, visUpdateManager, interpolator, upperBin = undefined, reversed = false }) {
const rgbaStr = "rgba"; const rgbaStr = "rgba";
color = rgbaStr.indexOf(color); color = rgbaStr.indexOf(color);
if (color < 0) throw new Error("Invalid color parameter provided."); if (color < 0) throw new Error("Invalid color parameter provided.");
@ -58,7 +58,7 @@ export function mapRgba({ element, color, lowerBin, visUpdateManager, interpolat
* @param {boolean} [fontSizeMapConfiguration.reversed=false] If true, then high amplitudes are mapped to lower values and vice versa. * @param {boolean} [fontSizeMapConfiguration.reversed=false] If true, then high amplitudes are mapped to lower values and vice versa.
* @returns {{bin: number, listener: VisualizerUpdateManager.visualizerBinUpdateListener}|{lower: number, upper: number, listener: VisualizerUpdateManager.visualizerRangedUpdateListener}} The listener that was added (ranged if an upper bound was provided, binned otherwise). * @returns {{bin: number, listener: VisualizerUpdateManager.visualizerBinUpdateListener}|{lower: number, upper: number, listener: VisualizerUpdateManager.visualizerRangedUpdateListener}} The listener that was added (ranged if an upper bound was provided, binned otherwise).
*/ */
export function mapFontSize({ element, growLower, growUpper, unit, lowerBin, visUpdateManager, interpolator, upperBin = undefined, reversed = false }) { function mapFontSize({ element, growLower, growUpper, unit, lowerBin, visUpdateManager, interpolator, upperBin = undefined, reversed = false }) {
const getter = () => parseInt(element.style.fontSize); const getter = () => parseInt(element.style.fontSize);
const setter = (value) => element.style.fontSize = value + unit; const setter = (value) => element.style.fontSize = value + unit;
const conf = { const conf = {
@ -81,3 +81,6 @@ export function mapFontSize({ element, growLower, growUpper, unit, lowerBin, vis
} }
// TODO: Future: map hue // TODO: Future: map hue
/**@module */
export { mapRgba, mapFontSize };

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@ -6,7 +6,7 @@ import Visualizer from "../visualization/Visualizer.js";
* @param {HTMLCanvasElement} canvasElement the canvas element to use to draw this horizontal visualizer. * @param {HTMLCanvasElement} canvasElement the canvas element to use to draw this horizontal visualizer.
* @param {Visualizer} visualizer the visualizer in which the data to display is obtained. * @param {Visualizer} visualizer the visualizer in which the data to display is obtained.
*/ */
export function horizontalVisualizer(canvasElement, visualizer) { function horizontalVisualizer(canvasElement, visualizer) {
let _width = canvasElement.width; let _width = canvasElement.width;
let _height = canvasElement.height; let _height = canvasElement.height;
let _canvasCtx = canvasElement.getContext("2d"); let _canvasCtx = canvasElement.getContext("2d");
@ -25,3 +25,6 @@ export function horizontalVisualizer(canvasElement, visualizer) {
}; };
_visualizer.addUpdateListener(update); _visualizer.addUpdateListener(update);
} }
/**@module */
export { horizontalVisualizer };

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@ -1,17 +1,17 @@
import Visualizer from "../visualization/Visualizer.js"; import Visualizer from "../visualization/Visualizer.js";
/**@module */
/**
* @callback AudioEventCallback
* @param {HTMLAudioElement} audio
*/
/** /**
* A song with metadata that can be used as part of a {@link SongPlaylist}. * A song with metadata that can be used as part of a {@link SongPlaylist}.
* *
*/ */
export default class PlayListSong { export default class PlayListSong {
#displayName;
#author;
#url;
#audio;
#visualizer;
#ready = false;
/** /**
* Constructs a song for a {@link SongPlaylist}. * Constructs a song for a {@link SongPlaylist}.
* *
@ -24,11 +24,12 @@ export default class PlayListSong {
this.#author = author; this.#author = author;
this.#url = url; this.#url = url;
} }
#displayName;
/** #author;
* @callback AudioEventCallback #url;
* @param {HTMLAudioElement} audio #audio;
*/ #visualizer;
#ready = false;
/** /**
* *

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@ -2,6 +2,14 @@ import "../styles/songPlayer.css";
import PlayListSong from "./PlaylistSong.js"; import PlayListSong from "./PlaylistSong.js";
import SongPlaylist from "./SongPlaylist.js"; import SongPlaylist from "./SongPlaylist.js";
/**@module */
/**
* @callback changeListener
* @param {*} old the previous value.
* @param {*} current the the current (new) value.
*/
/** /**
* A player that keeps track of global properties for playback as well as traversing a playlist. Additionally keeps track of song audio data and attempts to reduce memory usage when possible. * A player that keeps track of global properties for playback as well as traversing a playlist. Additionally keeps track of song audio data and attempts to reduce memory usage when possible.
*/ */
@ -240,12 +248,6 @@ export default class SongPlayer {
return this.#playlist.songAtIndex(this.#current); return this.#playlist.songAtIndex(this.#current);
} }
/**
* @callback changeListener
* @param {*} old the previous value.
* @param {*} current the the current (new) value.
*/
/** /**
* *
* @param {changeListener} listener the listener to receive the updates. * @param {changeListener} listener the listener to receive the updates.
@ -323,7 +325,7 @@ export default class SongPlayer {
/** /**
* *
* @param {string} type the type of the listener on the {@link HTMLAudioElement}. * @param {string} type the type of the listener on the {@link HTMLAudioElement}.
* @param {EventListener|EventListenerObject} eventListener the event listener. * @param {Function} eventListener the event listener.
* @returns {boolean} true if and only if successfully registered event listener. * @returns {boolean} true if and only if successfully registered event listener.
*/ */
addEventListenerToCurrentAudio(type, eventListener) { addEventListenerToCurrentAudio(type, eventListener) {
@ -341,7 +343,7 @@ export default class SongPlayer {
/** /**
* *
* @param {string} type the type of the listener on the {@link HTMLAudioElement}. * @param {string} type the type of the listener on the {@link HTMLAudioElement}.
* @param {EventListener|EventListenerObject} eventListener the event listener. * @param {Function} eventListener the event listener.
* @returns {boolean} true if and only if the event listener was successfully added. * @returns {boolean} true if and only if the event listener was successfully added.
*/ */
removeEventListenerFromCurrentAudio(type, eventListener) { removeEventListenerFromCurrentAudio(type, eventListener) {

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@ -1,5 +1,7 @@
import PlaylistSong from "./PlaylistSong.js"; import PlaylistSong from "./PlaylistSong.js";
/**@module */
/** /**
* A playlist that holds a multitude of songs in the form of {@link PlaylistSong}. * A playlist that holds a multitude of songs in the form of {@link PlaylistSong}.
*/ */

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@ -3,12 +3,13 @@ import VisualizerUpdateManager from "../visualization/VisualizerUpdateManager.js
import SongPlayer from "./SongPlayer.js"; import SongPlayer from "./SongPlayer.js";
import SongPlaylist from "./SongPlaylist.js"; import SongPlaylist from "./SongPlaylist.js";
/**@module */
/** /**
* A song player that provides easier access to the current songs visualizer data. * A song player that provides easier access to the current songs visualizer data.
*
* Additionally, automatically re-binds all the visualizer update listeners for song changes. * Additionally, automatically re-binds all the visualizer update listeners for song changes.
* *
* Automatically loads the songs. * @augments SongPlayer
*/ */
export default class VisualizedSongPlayer extends SongPlayer { export default class VisualizedSongPlayer extends SongPlayer {
#fftSize = 1024; #fftSize = 1024;

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@ -3,49 +3,5 @@ import SongPlaylist from "./SongPlaylist.js";
import VisualizedSongPlayer from "./VisualizedSongPlayer.js"; import VisualizedSongPlayer from "./VisualizedSongPlayer.js";
import PlayListSong from "./PlaylistSong.js"; import PlayListSong from "./PlaylistSong.js";
/** /**@module */
* Instantiates a song player with a given playlist. export { SongPlayer, SongPlaylist, VisualizedSongPlayer, PlayListSong };
*
* @see SongPlayer for more information about the returned object.
* @param {SongPlaylist} playlist the playlist this player will play through.
* @returns {SongPlayer} the instantiated song player.
*/
export function createSongPlayer(playlist) {
return new SongPlayer(playlist);
}
/**
* Instantiates a song playlist.
*
* @see SongPlaylist for more information about the returned object.
* @param {string} name the name of the playlist.
* @returns {SongPlaylist} the instantiated song playlist.
*/
export function createSongPlaylist(name) {
return new SongPlaylist(name);
}
/**
* Instantiates a song player that manages the visualizers for individual songs, as well as the listeners for the visualizations.
*
* @see VisualizedSongPlayer for more information about the returned object.
* @param {SongPlaylist} playlist the playlist this visualized song player will play through.
* @param {number} [fftSize=1024] the FFT window size.
* @returns {VisualizedSongPlayer} a song player capable of retrieving the visualizer for the current playing song.
*/
export function createVisualizedSongPlayer(playlist, fftSize = 1024) {
return new VisualizedSongPlayer(playlist, fftSize);
}
/**
* Instantiates a playlist song.
*
* @see PlaylistSong for more information about the returned object.
* @param {string} url The url at which the audio for the song can be retrieved.
* @param {string} name The name of the song.
* @param {string} author The name of the author(s).
* @returns {PlayListSong} The playlist song that is instantiated.
*/
export function createPlaylistSong(url, name, author) {
return new PlayListSong(url, name, author);
}

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@ -1,11 +1,11 @@
/** /**
* The rg * Converts from rgba hex value to an array of four numbers representing r, g, b, and a respectively.
* *
* @param {string} hex the hex value. * @param {string} hex the hex value.
* @returns {number[]} the resulting components of the hex value. * @returns {number[]} the resulting components of the hex value.
*/ */
export function rgbaHexToRgba(hex) { function rgbaHexToRgba(hex) {
if (hex.startsWith("#")) { if (hex.startsWith("#")) {
hex = hex.substring(1); hex = hex.substring(1);
if (hex.length > 8) { if (hex.length > 8) {
@ -31,17 +31,18 @@ export function rgbaHexToRgba(hex) {
* @param {string} hex the hex value. * @param {string} hex the hex value.
* @returns {number[]} the resulting r, g, and b components. * @returns {number[]} the resulting r, g, and b components.
*/ */
export function rgbHexToRgba(hex) { function rgbHexToRgba(hex) {
const result = rgbaHexToRgba(hex + "FF"); const result = rgbaHexToRgba(hex + "FF");
return result; return result;
} }
/** /**
* Converts from the CSS rgba call to an array of four numbers representing r, g, b and a.
* *
* @param {string} rgba The CSS rgba(r,g,b,a) call. * @param {string} rgba The CSS rgba(r,g,b,a) call.
* @returns {number[]} the rgba components. * @returns {number[]} the rgba components.
*/ */
export function cssRgbaToRgba(rgba) { function cssRgbaToRgba(rgba) {
const cssRgbaRegex = /rgba\((\d+),(\d+),(\d+),(\d+)\)/; const cssRgbaRegex = /rgba\((\d+),(\d+),(\d+),(\d+)\)/;
try { try {
const matches = rgba.match(cssRgbaRegex); const matches = rgba.match(cssRgbaRegex);
@ -52,11 +53,12 @@ export function cssRgbaToRgba(rgba) {
} }
/** /**
* Converts from the CSS rgb call to an array of four numbers representing r, g, b and a.
* *
* @param {string} rgb The CSS rgb(r,g,b) call. * @param {string} rgb The CSS rgb(r,g,b) call.
* @returns {number[]} the rgba components. * @returns {number[]} the rgba components.
*/ */
export function cssRgbToRgba(rgb) { function cssRgbToRgba(rgb) {
const cssRgbRegex = /rgb\((\d+),(\d+),(\d+)\)/; const cssRgbRegex = /rgb\((\d+),(\d+),(\d+)\)/;
try { try {
const matches = rgb.match(cssRgbRegex); const matches = rgb.match(cssRgbRegex);
@ -72,7 +74,7 @@ export function cssRgbToRgba(rgb) {
* @param {number[]} rgba an array with red, green, blue, and alpha components in that order. * @param {number[]} rgba an array with red, green, blue, and alpha components in that order.
* @returns {string} The resulting hex value. * @returns {string} The resulting hex value.
*/ */
export function rgbaToHexRgba(rgba) { function rgbaToHexRgba(rgba) {
const filler = (hex) => hex.length < 2 ? "0" + hex : hex; const filler = (hex) => hex.length < 2 ? "0" + hex : hex;
return "#" + filler(rgba[0].toString(16)) + filler(rgba[1].toString(16)) + filler(rgba[2].toString(16)) + filler(rgba[3].toString(16)); return "#" + filler(rgba[0].toString(16)) + filler(rgba[1].toString(16)) + filler(rgba[2].toString(16)) + filler(rgba[3].toString(16));
} }
@ -86,7 +88,7 @@ export function rgbaToHexRgba(rgba) {
* @param {string} color The string that contains the color information. * @param {string} color The string that contains the color information.
* @returns {number[]} an array that contains the r, g, b and a components. * @returns {number[]} an array that contains the r, g, b and a components.
*/ */
export function parseColor(color) { function parseColor(color) {
if (color.startsWith("rgba(")) { if (color.startsWith("rgba(")) {
return cssRgbaToRgba(color); return cssRgbaToRgba(color);
} else if (color.startsWith("rgb(")) { } else if (color.startsWith("rgb(")) {
@ -100,3 +102,6 @@ export function parseColor(color) {
} }
throw new Error("Could not parse to an rgba value."); throw new Error("Could not parse to an rgba value.");
} }
/**@module */
export { rgbaHexToRgba, rgbHexToRgba, cssRgbaToRgba, cssRgbToRgba, rgbaToHexRgba, parseColor };

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@ -14,7 +14,7 @@
* @param {number} rate the number of frequency values to shift by per second. * @param {number} rate the number of frequency values to shift by per second.
* @returns {interpolator} the interpolation function with the given rate. * @returns {interpolator} the interpolation function with the given rate.
*/ */
export function createEaseLinear(rate) { function createEaseLinear(rate) {
return (current, dest, frameDelta) => { return (current, dest, frameDelta) => {
let direction = 1; let direction = 1;
if (dest < current) { if (dest < current) {
@ -23,3 +23,6 @@ export function createEaseLinear(rate) {
return current + (Math.min(rate * frameDelta, dest) * direction); return current + (Math.min(rate * frameDelta, dest) * direction);
}; };
} }
/**@module */
export { createEaseLinear };

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@ -1,4 +1,5 @@
import * as colors from "./colors.js"; import * as colors from "./colors.js";
import * as easings from "./easings.js"; import * as easings from "./easings.js";
/**@module */
export { colors, easings }; export { colors, easings };

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@ -1,3 +1,11 @@
/**@module */
/**
* @callback visualizerUpdateListener
* @param {number} delta elapsed time since last update.
* @param {Uint8Array} bins the bins with varying frequency values.
*/
/** /**
* Provides a simplified access point to the frequency bins in the form of a visualization update listener. * Provides a simplified access point to the frequency bins in the form of a visualization update listener.
*/ */
@ -11,12 +19,6 @@ export default class Visualizer {
#buffer; #buffer;
#lastUpdate; #lastUpdate;
/**
* @callback visualizerUpdateListener
* @param {number} delta elapsed time since last update.
* @param {Uint8Array} bins the bins with varying frequency values.
*/
/** /**
* *
* @param {MediaSource|HTMLMediaElement} mediaSource a media source to analyze. * @param {MediaSource|HTMLMediaElement} mediaSource a media source to analyze.

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@ -1,5 +1,21 @@
import Visualizer from "./Visualizer.js"; import Visualizer from "./Visualizer.js";
/**@module */
/**
* @callback visualizerBinUpdateListener
* @param {number} timeDelta elapsed time since last update.
* @param {number} amplitude The amplitude of the associated bin.
* @param {number} ampDelta change in amplitude of the frequency bin.
*/
/**
* @callback visualizerRangedUpdateListener
* @param {number} timeDelta elapsed time since last update.
* @param {number} bins the bins of the range.
*/
/** /**
* A visualizer update manager offers an extra layer of abstraction on top of the {@link Visualizer}'s update listener. * A visualizer update manager offers an extra layer of abstraction on top of the {@link Visualizer}'s update listener.
* *
@ -50,19 +66,6 @@ export default class VisualizerUpdateManager {
visualizer.addUpdateListener(this.#visualizerListener); visualizer.addUpdateListener(this.#visualizerListener);
} }
/**
* @callback visualizerBinUpdateListener
* @param {number} timeDelta elapsed time since last update.
* @param {number} amplitude The amplitude of the associated bin.
* @param {number} ampDelta change in amplitude of the frequency bin.
*/
/**
* @callback visualizerRangedUpdateListener
* @param {number} timeDelta elapsed time since last update.
* @param {number} bins the bins of the range.
*/
/** /**
* Adds a listener to a specific frequency bin. * Adds a listener to a specific frequency bin.

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@ -1,25 +1,5 @@
import Visualizer from "./Visualizer.js"; import Visualizer from "./Visualizer.js";
import VisualizerUpdateManager from "./VisualizerUpdateManager.js"; import VisualizerUpdateManager from "./VisualizerUpdateManager.js";
/** /**@module */
* Instantiates a visualizer. export { Visualizer, VisualizerUpdateManager };
*
* @see Visualizer for information on the returned object.
* @param {HTMLMediaElement|MediaSource} mediaSource the source of audio to be visualized.
* @param {number} [fftSize=1024] the FFT window size.
* @returns {Visualizer} the visualizer with the given media source and the given FFT size.
*/
export function createVisualizer(mediaSource, fftSize = 1024) {
return new Visualizer(mediaSource, fftSize);
}
/**
* Instantiates a VisualizerUpdateManager.
*
* @see VisualizerUpdateManager for information on the returned object.
* @param {Visualizer} visualizer the visualizer this update manager manages.
* @returns {VisualizerUpdateManager} the instantiated visualizer update manager for the given visualizer.
*/
export function createVisualizerUpdateManager(visualizer) {
return new VisualizerUpdateManager(visualizer);
}

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@ -1,6 +1,7 @@
console.log("Beginning showcase.."); console.log("Beginning showcase..");
const ask = window.audioshowkit; const ask = window.audioshowkit;
// Song Player
const playlist = ask.player.createSongPlaylist("Demo playlist"); const playlist = ask.player.createSongPlaylist("Demo playlist");
playlist.add("/audio/moments.mp3", "moments", "Lost Identities x Robbie Rosen"); playlist.add("/audio/moments.mp3", "moments", "Lost Identities x Robbie Rosen");
playlist.add("/audio/XXI.mp3", "XXI", "QR"); playlist.add("/audio/XXI.mp3", "XXI", "QR");
@ -9,3 +10,6 @@ const playerElem = document.getElementById("player-showcase");
playerElem.appendChild(player.generatePlayElement()); playerElem.appendChild(player.generatePlayElement());
playerElem.appendChild(player.generateNextElement()); playerElem.appendChild(player.generateNextElement());
playerElem.appendChild(player.generatePreviousElement()); playerElem.appendChild(player.generatePreviousElement());
// Visualizer