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:T2c43,import { createMemo, createSignal } from "solid-js"; import { createAnalyserTap, createInputNode, disconnectFrom, } from "@/hooks/use-audio-analyser"; import type { AnalyserInput, AnalyserTap, AnalyserTapOptions, } from "@/hooks/use-audio-analyser"; import { useAudioContext } from "@/hooks/use-audio-context"; import { isChannelAudible } from "@/hooks/use-mixer"; import type { Mixer, MixerState } from "@/hooks/use-mixer"; import { dbToGain } from "@/lib/audio/decibels"; import { createFrameRelay } from "@/lib/audio/frame-source"; import type { FrameRelay } from "@/lib/audio/frame-source"; 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"; const RAMP_SECONDS = 0.005; const DUCK_HOLD_SECONDS = 0.2; const MS_PER_SECOND = 1000; const TIME_CONSTANTS_PER_RAMP = 3; export interface DuckingOptions { trigger: string; targets: string[]; thresholdDb?: number; amountDb?: number; attackMs?: number; releaseMs?: number; } type MixerInputs = Record; export interface WebAudioMixerOptions { inputs: MixerInputs; ducking?: DuckingOptions | DuckingOptions[]; limiter?: boolean; analyser?: Pick< AnalyserTapOptions, "fftSize" | "bands" | "historySize" | "smoothing" >; enabled?: boolean; } export interface WebAudioMixerGraph { readonly meters: Record>; readonly visuals: Record>; master: { meter: FrameSource; visual: FrameSource }; readonly output: MediaStream | null; readonly destination: AudioNode | null; readonly context: AudioContext | null; } interface Relays { meter: FrameRelay; visual: FrameRelay; } interface Core { context: AudioContext; masterGain: GainNode; monitorGain: GainNode; output: MediaStreamAudioDestinationNode; tap: AnalyserTap; dispose: () => void; } interface Strip { input: Exclude; gain: GainNode; duck: GainNode; panner: StereoPannerNode; monitorSend: GainNode; tap: AnalyserTap; dispose: () => void; } const ramp = (param: AudioParam, value: number, context: BaseAudioContext) => param.setTargetAtTime(value, context.currentTime, RAMP_SECONDS); const buildCore = ( context: AudioContext, limiterEnabled: boolean, analyser: AnalyserTapOptions ): Core => { const masterGain = context.createGain(); masterGain.gain.value = 0; const output = context.createMediaStreamDestination(); const limiter = limiterEnabled ? context.createDynamicsCompressor() : null; if (limiter) { limiter.threshold.value = -1; limiter.knee.value = 0; limiter.ratio.value = 20; limiter.attack.value = 0.001; limiter.release.value = 0.05; } let last: AudioNode = masterGain; if (limiter) { masterGain.connect(limiter); last = limiter; } last.connect(output); const monitorGain = context.createGain(); monitorGain.gain.value = 0; monitorGain.connect(context.destination); const tap = createAnalyserTap(context, last, { ...analyser, channels: "stereo", }); return { context, masterGain, monitorGain, output, tap, dispose() { tap.dispose(); masterGain.disconnect(); limiter?.disconnect(); monitorGain.disconnect(); output.disconnect(); for (const track of output.stream.getTracks()) track.stop(); }, }; }; const buildStrip = ( core: Core, input: Exclude, analyser: AnalyserTapOptions ): Strip => { const { context } = core; const { node, owned } = createInputNode(context, input); const takesOverElement = input instanceof HTMLMediaElement; if (takesOverElement) disconnectFrom(node, context.destination); const gain = context.createGain(); const duck = context.createGain(); const panner = context.createStereoPanner(); const monitorSend = context.createGain(); gain.gain.value = 0; monitorSend.gain.value = 0; node.connect(gain); gain.connect(duck); duck.connect(panner); panner.connect(core.masterGain); panner.connect(monitorSend); monitorSend.connect(core.monitorGain); const tap = createAnalyserTap(context, panner, { ...analyser, channels: "stereo", }); return { input, gain, duck, panner, monitorSend, tap, dispose() { tap.dispose(); disconnectFrom(node, gain); gain.disconnect(); duck.disconnect(); panner.disconnect(); monitorSend.disconnect(); if (owned) node.disconnect(); if (takesOverElement) node.connect(context.destination); }, }; }; const loudestPeak = (frame: MeterFrame) => { let loudest = Number.NEGATIVE_INFINITY; for (const level of frame.channels) loudest = Math.max(loudest, level.peakDb); return loudest; }; /** Owns audio edges and stable frame relays, not Solid state. */ const createMixerGraph = () => { const relays = new Map(); const strips = new Map(); const master: Relays = { meter: createFrameRelay(), visual: createFrameRelay(), }; let core: Core | null = null; let analyser: AnalyserTapOptions = {}; let state: MixerState | null = null; let lastInputs: MixerInputs = {}; const relaysFor = (id: string): Relays => { let entry = relays.get(id); if (!entry) { entry = { meter: createFrameRelay(), visual: createFrameRelay(), }; relays.set(id, entry); } return entry; }; const removeStrip = (id: string) => { strips.get(id)?.dispose(); strips.delete(id); const entry = relays.get(id); entry?.meter.setSource(null); entry?.visual.setSource(null); }; const apply = () => { if (!(core && state)) return; for (const channel of state.channels) { const strip = strips.get(channel.id); if (!strip) continue; ramp( strip.gain.gain, isChannelAudible(state, channel.id) ? dbToGain(channel.gainDb) : 0, core.context ); ramp(strip.panner.pan, channel.pan, core.context); ramp(strip.monitorSend.gain, channel.monitor ? 1 : 0, core.context); } const level = state.master.muted ? 0 : dbToGain(state.master.gainDb); ramp(core.masterGain.gain, level, core.context); ramp(core.monitorGain.gain, level, core.context); }; const reconcile = (inputs: MixerInputs) => { lastInputs = inputs; if (!core) return; for (const [id, strip] of strips) if (inputs[id] !== strip.input) removeStrip(id); for (const [id, input] of Object.entries(inputs)) { if (!input || strips.has(id)) continue; const strip = buildStrip(core, input, analyser); strips.set(id, strip); const entry = relaysFor(id); entry.meter.setSource(strip.tap.meter); entry.visual.setSource(strip.tap.visual); } apply(); }; const duck = (rules: DuckingOptions[]) => { const unsubscribers = rules.map((rule) => { const attack = (rule.attackMs ?? 50) / MS_PER_SECOND / TIME_CONSTANTS_PER_RAMP; const release = (rule.releaseMs ?? 400) / MS_PER_SECOND / TIME_CONSTANTS_PER_RAMP; return relaysFor(rule.trigger).meter.subscribe((frame) => { if (!core || loudestPeak(frame) < (rule.thresholdDb ?? -35)) return; const now = core.context.currentTime; for (const target of rule.targets) { const param = strips.get(target)?.duck.gain; if (!param) continue; param.cancelScheduledValues(now); param.setTargetAtTime(dbToGain(rule.amountDb ?? -12), now, attack); param.setTargetAtTime(1, now + DUCK_HOLD_SECONDS, release); } }); }); return () => { for (const unsubscribe of unsubscribers) unsubscribe(); if (core) for (const strip of strips.values()) { strip.duck.gain.cancelScheduledValues(core.context.currentTime); ramp(strip.duck.gain, 1, core.context); } }; }; return { master, relaysFor, reconcile, duck, apply(next: MixerState) { state = next; apply(); }, start( context: AudioContext, options: { limiter: boolean; analyser: AnalyserTapOptions } ) { analyser = options.analyser; core = buildCore(context, options.limiter, analyser); master.meter.setSource(core.tap.meter); master.visual.setSource(core.tap.visual); reconcile(lastInputs); return core; }, stop() { for (const id of strips.keys()) removeStrip(id); master.meter.setSource(null); master.visual.setSource(null); core?.dispose(); core = null; }, }; }; /** Reactive graph ownership with stable meters across channel changes and graph rebuilds. */ export const useWebAudioMixer = ( mixer: Mixer, options: MaybeAccessor ): WebAudioMixerGraph => { const { context } = useAudioContext(); const read = () => readMaybeAccessor(options); const graph = createMixerGraph(); const [core, setCore] = createSignal(null); const settingsKey = createMemo(() => { const current = read(); return JSON.stringify({ enabled: current.enabled ?? true, limiter: current.limiter ?? true, fftSize: current.analyser?.fftSize, bands: current.analyser?.bands, historySize: current.analyser?.historySize, smoothing: current.analyser?.smoothing, }); }); createCompatEffect(settingsKey, () => { const current = read(); if (!(context && (current.enabled ?? true))) return; setCore( graph.start(context, { limiter: current.limiter ?? true, analyser: current.analyser ?? {}, }) ); return () => { graph.stop(); setCore(null); }; }); createCompatEffect(() => { const inputs = read().inputs; const wanted: MixerInputs = {}; for (const channel of mixer.channels) wanted[channel.id] = inputs[channel.id]; return wanted; }, graph.reconcile); createCompatEffect(() => mixer.state, graph.apply); const duckingKey = createMemo(() => JSON.stringify(read().ducking ?? [])); createCompatEffect(duckingKey, () => { const rules = read().ducking; return graph.duck(rules ? (Array.isArray(rules) ? rules : [rules]) : []); }); const sources = createMemo(() => { const meters: WebAudioMixerGraph["meters"] = {}; const visuals: WebAudioMixerGraph["visuals"] = {}; for (const channel of mixer.channels) { const relays = graph.relaysFor(channel.id); meters[channel.id] = relays.meter; visuals[channel.id] = relays.visual; } return { meters, visuals }; }); return { master: graph.master, get context() { return core()?.context ?? null; }, get destination() { return core()?.masterGain ?? null; }, get output() { return core()?.output.stream ?? null; }, get meters() { return sources().meters; }, get visuals() { return sources().visuals; }, }; }; 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. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. 50:["$","div",null,{"className":"mt-3 flex min-h-0 min-w-0 flex-1 flex-col gap-3","children":[["$","div",null,{"className":"flex shrink-0 items-start gap-3","children":[["$","div",null,{"className":"flex max-h-28 min-w-0 flex-1 flex-wrap items-center gap-2 overflow-y-auto","children":[["$","ul",null,{"className":"flex min-w-0 flex-wrap gap-2","aria-label":"Package dependencies","children":[["$","li","solid-js@^1.9.15",{"className":"min-w-0 max-w-full","children":["$","a",null,{"href":"https://www.npmjs.com/package/solid-js","target":"_blank","rel":"noopener noreferrer","className":"flex max-w-full min-w-0 items-center gap-1.5 rounded-md border px-2 py-1.5 text-xs","children":[["$","svg",null,{"viewBox":"0 0 24 24","className":"size-3 shrink-0","children":["$","path",null,{"d":"M1.763 0C.786 0 0 .786 0 1.763v20.474C0 23.214.786 24 1.763 24h20.474c.977 0 1.763-.786 1.763-1.763V1.763C24 .786 23.214 0 22.237 0zM5.13 5.323l13.837.019-.009 13.836h-3.464l.01-10.382h-3.456L12.04 19.17H5.113z","fill":"currentColor"}]}],["$","span",null,{"className":"min-w-0 break-all text-xs font-medium","children":"solid-js@^1.9.15"}]]}]}]]}],["$","$L51",null,{"namespace":"@audiocn-solid","registryDependencies":["@audiocn-solid/core","@audiocn-solid/use-audio-context","@audiocn-solid/use-audio-analyser","@audiocn-solid/use-mixer"]}]]}],null]}],["$","$L52",null,{"files":[{"path":"hooks/use-web-audio-mixer.ts","content":"$53","type":"registry:hook"},{"path":"lib/audiocn-license.txt","content":"$54","type":"registry:file","target":"@lib/audiocn-license.txt"}],"className":"h-[70svh] min-h-80"}]]}]