51:I[707087,["/_next/static/immutable/chunks/3arlv5bvukoo2.js","/_next/static/immutable/chunks/39v64hmfyo-sr.js","/_next/static/immutable/chunks/2nvof3-29tvc3.js","/_next/static/immutable/chunks/3tjobt77z_9dj.js","/_next/static/immutable/chunks/04j_o97cgxn2x.js","/_next/static/immutable/chunks/3upr08c9vtj8w.js","/_next/static/immutable/chunks/1ww0328si-u8x.js","/_next/static/immutable/chunks/11mfl5ymqld9-.js","/_next/static/immutable/chunks/2xxcqy6ppds3l.js","/_next/static/immutable/chunks/3j06ow7w40nxu.js","/_next/static/immutable/chunks/31nn7jwsjvqii.js","/_next/static/immutable/chunks/43_s7jweyypoh.js","/_next/static/immutable/chunks/0p6vao205o1jc.js","/_next/static/immutable/chunks/1_kyvgkyokw92.js","/_next/static/immutable/chunks/1lo-zn37dolb5.js","/_next/static/immutable/chunks/1v8k6yxw1rg0u.js"],"RegistryDependencies"] 52:I[314491,["/_next/static/immutable/chunks/3arlv5bvukoo2.js","/_next/static/immutable/chunks/39v64hmfyo-sr.js","/_next/static/immutable/chunks/2nvof3-29tvc3.js","/_next/static/immutable/chunks/3tjobt77z_9dj.js","/_next/static/immutable/chunks/04j_o97cgxn2x.js","/_next/static/immutable/chunks/3upr08c9vtj8w.js","/_next/static/immutable/chunks/1ww0328si-u8x.js","/_next/static/immutable/chunks/11mfl5ymqld9-.js","/_next/static/immutable/chunks/2xxcqy6ppds3l.js","/_next/static/immutable/chunks/3j06ow7w40nxu.js","/_next/static/immutable/chunks/31nn7jwsjvqii.js","/_next/static/immutable/chunks/43_s7jweyypoh.js","/_next/static/immutable/chunks/0p6vao205o1jc.js","/_next/static/immutable/chunks/1_kyvgkyokw92.js","/_next/static/immutable/chunks/1lo-zn37dolb5.js","/_next/static/immutable/chunks/1v8k6yxw1rg0u.js"],"FilesView"] 53:T257e,import { useAudioContext } from "@/hooks/use-audio-context"; import { bandsFromSpectrum, logBandEdges } from "@/lib/audio/bands"; import { dbToLevel, peakDb, rmsDb } from "@/lib/audio/decibels"; import { subscribeFrame } from "@/lib/audio/frame-loop"; import { createFrameRelay } from "@/lib/audio/frame-source"; import { appendHistory } from "@/lib/audio/history"; import type { FrameSource, MeterFrame, VisualFrame } from "@/lib/audio/types"; import { readMaybeAccessor } from "@/lib/solid/accessor"; import type { MaybeAccessor } from "@/lib/solid/accessor"; import { createCompatEffect } from "@/lib/solid/effect"; export type AnalyserInput = MediaStream | HTMLMediaElement | AudioNode | null; export interface AnalyserTapOptions { /** Analyser FFT size. Default 2048. */ fftSize?: number; /** Analyser smoothing constant, 0..1. Default 0.3. */ smoothing?: number; /** Frequency bands per visual frame. Default 32. */ bands?: number; /** Lowest band frequency. Default 40 Hz. */ minHz?: number; /** Highest band frequency. Default 16 kHz. */ maxHz?: number; /** Entries in the level history ring. Default 60. */ historySize?: number; /** Time between history entries. Default 50 ms. */ historyIntervalMs?: number; /** Minimum time between frames. 0 sends a frame every animation frame. */ intervalMs?: number; /** `stereo` measures left and right separately. Default `mono`. */ channels?: "mono" | "stereo"; } export interface AudioAnalyserOptions extends AnalyserTapOptions { /** `false` disconnects and releases the analysis. Default true. */ enabled?: boolean; } export type AudioAnalyserStatus = "idle" | "running" | "suspended"; export interface AudioAnalyser { meter: FrameSource; visual: FrameSource; status: AudioAnalyserStatus; } export interface AnalyserTap { meter: FrameSource; visual: FrameSource; dispose: () => void; } const mediaElementSources = new WeakMap< HTMLMediaElement, MediaElementAudioSourceNode >(); /** * Connects a media element to the context once, and routes it to the * speakers through the context so it keeps playing. */ export const getMediaElementSource = ( context: AudioContext, element: HTMLMediaElement ): MediaElementAudioSourceNode => { const existing = mediaElementSources.get(element); if (existing) { return existing; } const node = context.createMediaElementSource(element); node.connect(context.destination); mediaElementSources.set(element, node); return node; }; export interface InputNode { node: AudioNode; owned: boolean; } /** Turns any analyser input into an audio node, and says whether you own it. */ export const createInputNode = ( context: AudioContext, input: Exclude ): InputNode => { if (input instanceof MediaStream) { return { node: context.createMediaStreamSource(input), owned: true }; } if (input instanceof HTMLMediaElement) { return { node: getMediaElementSource(context, input), owned: false }; } return { node: input, owned: false }; }; /** * Disconnects one connection, if it still exists. A node you don't own may * already have been disconnected by its owner, and Web Audio throws then. */ export const disconnectFrom = (node: AudioNode, destination: AudioNode) => { try { node.disconnect(destination); } catch { // Already disconnected. } }; /** * Taps an audio node with analysers and exposes meter and visual frame * sources. Analysis runs only while something is subscribed. */ export const createAnalyserTap = ( context: BaseAudioContext, node: AudioNode, { fftSize = 2048, smoothing = 0.3, bands = 32, minHz = 40, maxHz = 16_000, historySize = 60, historyIntervalMs = 50, intervalMs = 0, channels = "mono", }: AnalyserTapOptions = {} ): AnalyserTap => { const createAnalyser = () => { const analyser = context.createAnalyser(); analyser.fftSize = fftSize; analyser.smoothingTimeConstant = smoothing; return analyser; }; const mix = createAnalyser(); node.connect(mix); const analysers: AnalyserNode[] = []; let splitter: ChannelSplitterNode | null = null; if (channels === "stereo") { splitter = context.createChannelSplitter(2); node.connect(splitter); for (let channel = 0; channel < 2; channel += 1) { const analyser = createAnalyser(); splitter.connect(analyser, channel); analysers.push(analyser); } } else { analysers.push(mix); } const timeDomain = new Float32Array(fftSize); const mixTimeDomain = new Float32Array(fftSize); const spectrum = new Float32Array(mix.frequencyBinCount); const edges = logBandEdges( bands, minHz, Math.min(maxHz, context.sampleRate / 2) ); const meterFrame: MeterFrame = { channels: [] }; const visualFrame: VisualFrame = { bands: new Float32Array(bands), history: new Float32Array(historySize), historyLength: 0, historyStart: 0, peakDb: Number.NEGATIVE_INFINITY, timeDomain: mixTimeDomain, }; const meterSubscribers = new Set<(frame: MeterFrame) => void>(); const visualSubscribers = new Set<(frame: VisualFrame) => void>(); let lastFrameMs = 0; let stopLoop: (() => void) | null = null; let disposed = false; const tick = (nowMs: number) => { if (nowMs - lastFrameMs < intervalMs) { return; } lastFrameMs = nowMs; if (meterSubscribers.size > 0) { meterFrame.channels.length = analysers.length; for (const [index, analyser] of analysers.entries()) { analyser.getFloatTimeDomainData(timeDomain); meterFrame.channels[index] = { peakDb: peakDb(timeDomain), rmsDb: rmsDb(timeDomain), }; } for (const subscriber of meterSubscribers) { subscriber(meterFrame); } } if (visualSubscribers.size === 0) { return; } mix.getFloatTimeDomainData(mixTimeDomain); mix.getFloatFrequencyData(spectrum); bandsFromSpectrum(spectrum, context.sampleRate, edges, visualFrame.bands); visualFrame.peakDb = peakDb(mixTimeDomain); appendHistory( visualFrame, dbToLevel(visualFrame.peakDb), nowMs, historyIntervalMs ); for (const subscriber of visualSubscribers) { subscriber(visualFrame); } }; const updateLoop = () => { const active = !disposed && meterSubscribers.size + visualSubscribers.size > 0; if (active && !stopLoop) { stopLoop = subscribeFrame(tick, "update"); } else if (!active && stopLoop) { stopLoop(); stopLoop = null; } }; const sourceFor = ( subscribers: Set<(frame: T) => void> ): FrameSource => ({ subscribe: (listener) => { subscribers.add(listener); updateLoop(); return () => { subscribers.delete(listener); updateLoop(); }; }, }); const dispose = () => { disposed = true; updateLoop(); disconnectFrom(node, mix); if (splitter) { disconnectFrom(node, splitter); splitter.disconnect(); } }; return { dispose, meter: sourceFor(meterSubscribers), visual: sourceFor(visualSubscribers), }; }; /** * Turns a `MediaStream`, media element or `AudioNode` into meter and visual * frame sources. The sources stay the same when the input changes. */ /** * Turns a MediaStream, media element or AudioNode into stable meter and visual * frame sources. Pass an accessor when the input can change. */ export const useAudioAnalyser = ( input: MaybeAccessor, options: AudioAnalyserOptions = {} ): AudioAnalyser => { const audio = useAudioContext(); const relays = { meter: createFrameRelay(), visual: createFrameRelay(), }; createCompatEffect( () => ({ bands: options.bands, channels: options.channels, context: audio.context, enabled: options.enabled ?? true, fftSize: options.fftSize, historyIntervalMs: options.historyIntervalMs, historySize: options.historySize, input: readMaybeAccessor(input), intervalMs: options.intervalMs, maxHz: options.maxHz, minHz: options.minHz, smoothing: options.smoothing, }), (current) => { if (!(current.context && current.input && current.enabled)) { relays.meter.setSource(null); relays.visual.setSource(null); return; } const { node, owned } = createInputNode(current.context, current.input); const tap = createAnalyserTap(current.context, node, { bands: current.bands, channels: current.channels, fftSize: current.fftSize, historyIntervalMs: current.historyIntervalMs, historySize: current.historySize, intervalMs: current.intervalMs, maxHz: current.maxHz, minHz: current.minHz, smoothing: current.smoothing, }); relays.meter.setSource(tap.meter); relays.visual.setSource(tap.visual); return () => { relays.meter.setSource(null); relays.visual.setSource(null); tap.dispose(); if (owned) { node.disconnect(); } }; } ); return { meter: relays.meter, get status() { const current = readMaybeAccessor(input); if (current === null || (options.enabled ?? true) === false) { return "idle"; } return audio.status === "running" ? "running" : "suspended"; }, visual: relays.visual, }; }; 54:T56d,Audio component source adapted from https://github.com/audiocn/ui. MIT License — Copyright (c) 2026 OrcDev Regular SVG icon geometry adapted from @phosphor-icons/react 2.1.10. MIT License — Copyright (c) 2020 Phosphor Icons The following permission and warranty terms apply to both notices. Retain this file with copies or substantial portions of the source. Permission is hereby granted, free of charge, to any person obtaining a copy of this software and associated documentation files (the "Software"), to deal in the Software without restriction, including without limitation the rights to use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of the Software, and to permit persons to whom the Software is furnished to do so, subject to the following conditions: The above copyright notice and this permission notice shall be included in all copies or substantial portions of the Software. THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. 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