From 3e89d2998588f8e35c524e523ba2ee853f0f6475 Mon Sep 17 00:00:00 2001
From: Maze Winther <mazewinther@gmail.com>
Date: Mon, 20 Apr 2026 11:31:17 +0200
Subject: refactor: restructure files to their domains,  new preview overlay
 system, and dep graph

---
 apps/web/src/lib/media/audio-mastering.ts | 103 ------------------------------
 1 file changed, 103 deletions(-)
 delete mode 100644 apps/web/src/lib/media/audio-mastering.ts

(limited to 'apps/web/src/lib/media/audio-mastering.ts')

diff --git a/apps/web/src/lib/media/audio-mastering.ts b/apps/web/src/lib/media/audio-mastering.ts
deleted file mode 100644
index f901c3bf..00000000
--- a/apps/web/src/lib/media/audio-mastering.ts
+++ /dev/null
@@ -1,103 +0,0 @@
-const MASTER_LIMITER_THRESHOLD_DB = -1;
-const MASTER_LIMITER_KNEE_DB = 0;
-const MASTER_LIMITER_RATIO = 20;
-const MASTER_LIMITER_ATTACK_SECONDS = 0.001;
-const MASTER_LIMITER_RELEASE_SECONDS = 0.12;
-const MASTER_OUTPUT_HEADROOM = 0.98;
-
-export function getAudioBufferPeak({
-	audioBuffer,
-}: {
-	audioBuffer: AudioBuffer;
-}): number {
-	let peak = 0;
-
-	for (let channel = 0; channel < audioBuffer.numberOfChannels; channel++) {
-		const channelData = audioBuffer.getChannelData(channel);
-		for (let index = 0; index < channelData.length; index++) {
-			const magnitude = Math.abs(channelData[index]);
-			if (magnitude > peak) {
-				peak = magnitude;
-			}
-		}
-	}
-
-	return peak;
-}
-
-export function createAudioMasteringChain({
-	audioContext,
-	destination,
-}: {
-	audioContext: AudioContext | OfflineAudioContext;
-	destination: AudioNode;
-}): {
-	input: GainNode;
-} {
-	const input = audioContext.createGain();
-	const limiter = audioContext.createDynamicsCompressor();
-	const outputGain = audioContext.createGain();
-
-	limiter.threshold.value = MASTER_LIMITER_THRESHOLD_DB;
-	limiter.knee.value = MASTER_LIMITER_KNEE_DB;
-	limiter.ratio.value = MASTER_LIMITER_RATIO;
-	limiter.attack.value = MASTER_LIMITER_ATTACK_SECONDS;
-	limiter.release.value = MASTER_LIMITER_RELEASE_SECONDS;
-	outputGain.gain.value = MASTER_OUTPUT_HEADROOM;
-
-	input.connect(limiter);
-	limiter.connect(outputGain);
-	outputGain.connect(destination);
-
-	return { input };
-}
-
-export async function applyAudioMasteringToBuffer({
-	audioBuffer,
-}: {
-	audioBuffer: AudioBuffer;
-}): Promise<AudioBuffer> {
-	if (getAudioBufferPeak({ audioBuffer }) <= MASTER_OUTPUT_HEADROOM) {
-		return audioBuffer;
-	}
-
-	const offlineContext = new OfflineAudioContext(
-		audioBuffer.numberOfChannels,
-		Math.max(1, audioBuffer.length),
-		audioBuffer.sampleRate,
-	);
-	const source = offlineContext.createBufferSource();
-	source.buffer = audioBuffer;
-
-	const { input } = createAudioMasteringChain({
-		audioContext: offlineContext,
-		destination: offlineContext.destination,
-	});
-	source.connect(input);
-	source.start(0);
-
-	const renderedBuffer = await offlineContext.startRendering();
-	clampAudioBufferPeak({
-		audioBuffer: renderedBuffer,
-		maxPeak: MASTER_OUTPUT_HEADROOM,
-	});
-	return renderedBuffer;
-}
-
-function clampAudioBufferPeak({
-	audioBuffer,
-	maxPeak,
-}: {
-	audioBuffer: AudioBuffer;
-	maxPeak: number;
-}): void {
-	for (let channel = 0; channel < audioBuffer.numberOfChannels; channel++) {
-		const channelData = audioBuffer.getChannelData(channel);
-		for (let index = 0; index < channelData.length; index++) {
-			channelData[index] = Math.max(
-				-maxPeak,
-				Math.min(maxPeak, channelData[index]),
-			);
-		}
-	}
-}
-- 
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