[READ-ONLY] Mirror of https://github.com/flo-bit/svelte-audio-visualizations. a few different simple audio visualizations (esp for voice input/output) for svelte
flo-bit.dev/svelte-audio-visualizations/
fix some bugs
+89
-43
+17
-2
src/lib/visualizations/audio/AudioFrequency.svelte
+17
-2
src/lib/visualizations/audio/AudioFrequency.svelte
···
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1
<script lang="ts">
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import type { WavRecorder, AudioFilePlayer, WavStreamPlayer } from '$lib/visualizations/wavtools';
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import { WavRecorder, AudioFilePlayer, WavStreamPlayer } from '$lib/visualizations/wavtools';
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import { raf, normalizeArray } from '../core/utils';
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export let audio: AudioFilePlayer | WavRecorder | WavStreamPlayer | null;
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export let analysisType: 'music' | 'voice' | 'frequency' = 'frequency';
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export let minDecibels: number = -100;
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export let maxDecibels: number = -30;
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let values: Float32Array = new Float32Array([0]);
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//Update frequency values every render frame
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raf(() => (values = audio ? audio.getFrequencies('music').values : new Float32Array([0])));
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raf(() => {
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if(!audio) {
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values = new Float32Array([0]);
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return;
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}
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if(audio instanceof WavRecorder && !audio.recording) {
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values = new Float32Array([0]);
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return;
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}
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values = audio.getFrequencies(analysisType, minDecibels, maxDecibels).values;
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});
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//Recreate the getValues function when values changes (to trigger reactivity)
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$: getValues = (detail: number) => normalizeArray(values, detail);
+4
-3
src/lib/visualizations/audio/BarAudioVisualizer.svelte
+4
-3
src/lib/visualizations/audio/BarAudioVisualizer.svelte
···
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export let audio: AudioFilePlayer | WavRecorder | WavStreamPlayer | null;
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export let glow: number | undefined = 3;
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export let detail: number | undefined = 50;
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export let detail: number | undefined = 20;
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export let analysisType: 'music' | 'voice' | 'frequency' = 'frequency';
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</script>
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<AudioFrequency {audio} let:getValues>
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<AudioFrequency {audio} {analysisType} let:getValues>
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<Glow {glow}>
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<BarVisualizer values={getValues(detail || 50)} {...$$restProps} />
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<BarVisualizer values={getValues(detail || 20)} {...$$restProps} />
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</Glow>
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</AudioFrequency>
+2
-1
src/lib/visualizations/audio/CircleBarAudioVisualizer.svelte
+2
-1
src/lib/visualizations/audio/CircleBarAudioVisualizer.svelte
···
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export let audio: AudioFilePlayer | WavRecorder | WavStreamPlayer | null;
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export let glow: number | undefined = 3;
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export let detail: number | undefined = 50;
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export let analysisType: 'music' | 'voice' | 'frequency' = 'frequency';
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</script>
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<AudioFrequency {audio} let:getValues>
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<AudioFrequency {audio} {analysisType} let:getValues>
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<Glow {glow}>
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<CircleBarVisualizer values={getValues(detail || 50)} {...$$restProps} />
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</Glow>
+2
-1
src/lib/visualizations/audio/CircleCirclesAudioVisualizer.svelte
+2
-1
src/lib/visualizations/audio/CircleCirclesAudioVisualizer.svelte
···
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export let audio: AudioFilePlayer | WavRecorder | WavStreamPlayer | null;
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export let glow: number | undefined = 3;
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export let detail: number | undefined = 50;
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export let analysisType: 'music' | 'voice' | 'frequency' = 'frequency';
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</script>
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<AudioFrequency {audio} let:getValues>
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<AudioFrequency {audio} {analysisType} let:getValues>
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<Glow {glow}>
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<CircleCirclesVisualizer values={getValues(detail || 50)} {...$$restProps} />
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</Glow>
+4
-3
src/lib/visualizations/audio/DeformedCircleAudioVisualizer.svelte
+4
-3
src/lib/visualizations/audio/DeformedCircleAudioVisualizer.svelte
···
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export let audio: AudioFilePlayer | WavRecorder | WavStreamPlayer | null;
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export let glow: number | undefined = 20;
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export let detail: number | undefined = 50;
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export let detail: number | undefined = 20;
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export let analysisType: 'music' | 'voice' | 'frequency' = 'frequency';
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</script>
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<AudioFrequency {audio} let:getValues>
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<AudioFrequency {audio} {analysisType} let:getValues>
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<Glow {glow}>
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<DeformedCircleVisualizer values={getValues(detail || 50)} {...$$restProps} />
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<DeformedCircleVisualizer values={getValues(detail || 20)} {...$$restProps} />
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</Glow>
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</AudioFrequency>
+2
-1
src/lib/visualizations/audio/InnerGlowAudioVisualizer.svelte
+2
-1
src/lib/visualizations/audio/InnerGlowAudioVisualizer.svelte
···
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export let audio: AudioFilePlayer | WavRecorder | WavStreamPlayer | null;
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export let glow: number | undefined = 10;
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export let detail: number | undefined = 50;
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export let analysisType: 'music' | 'voice' | 'frequency' = 'frequency';
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</script>
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<AudioFrequency {audio} let:getValues>
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<AudioFrequency {audio} {analysisType} let:getValues>
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<Glow {glow}>
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<InnerGlowVisualizer values={getValues(detail || 50)} {...$$restProps} />
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</Glow>
+2
-1
src/lib/visualizations/audio/MicrophoneAudioVisualizer.svelte
+2
-1
src/lib/visualizations/audio/MicrophoneAudioVisualizer.svelte
···
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export let audio: AudioFilePlayer | WavRecorder | WavStreamPlayer | null;
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export let glow: number | undefined = 3;
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export let analysisType: 'music' | 'voice' | 'frequency' = 'frequency';
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</script>
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<AudioFrequency {audio} let:getValues>
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<AudioFrequency {audio} {analysisType} let:getValues>
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<Glow {glow}>
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<MicrophoneVisualizer value={getValues(1)[0]} {...$$restProps} />
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</Glow>
+2
-1
src/lib/visualizations/audio/SpeakerAudioVisualizer.svelte
+2
-1
src/lib/visualizations/audio/SpeakerAudioVisualizer.svelte
···
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export let audio: AudioFilePlayer | WavRecorder | WavStreamPlayer | null;
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export let glow: number | undefined = 3;
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export let analysisType: 'music' | 'voice' | 'frequency' = 'frequency';
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</script>
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<AudioFrequency {audio} let:getValues>
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<AudioFrequency {audio} {analysisType} let:getValues>
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<Glow {glow}>
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<SpeakerVisualizer value={getValues(1)[0]} {...$$restProps} />
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</Glow>
+7
-2
src/lib/visualizations/core/utils.ts
+7
-2
src/lib/visualizations/core/utils.ts
+47
-28
src/routes/+page.svelte
+47
-28
src/routes/+page.svelte
···
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import BarAudioVisualizer from '$lib/visualizations/audio/BarAudioVisualizer.svelte';
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import CircleCirclesAudioVisualizer from '$lib/visualizations/audio/CircleCirclesAudioVisualizer.svelte';
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let audio: WavRecorder | AudioFilePlayer | null = null;
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export let wavRecorder: WavRecorder = new WavRecorder({ sampleRate: 24000 });
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export let player = new AudioFilePlayer();
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export let currentlyPlaying: WavRecorder | AudioFilePlayer | null = null;
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let state: 'recording' | 'music' | null = null;
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//Stop playing music, if wrong state
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$: if (state !== 'music' && audio instanceof WavRecorder) {
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audio.end();
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audio = null;
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let analysisType: 'music' | 'voice' = 'voice';
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$: analysisType = state === 'music' ? 'music' : 'voice';
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async function microphone() {
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if (state === 'recording') {
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wavRecorder.end();
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state = null;
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return;
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}
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player.stop();
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await wavRecorder.begin();
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wavRecorder.record();
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currentlyPlaying = wavRecorder;
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state = 'recording';
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}
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//Stop recording, if wrong state
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$: if (state !== 'recording' && audio instanceof AudioFilePlayer) {
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audio.stop();
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audio = null;
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}
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async function music() {
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if (state === 'music') {
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player.stop();
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state = null;
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return;
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}
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if (wavRecorder.recording) wavRecorder.end();
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//Start playing music, if not playing already
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$: if (state == 'music' && !audio) {
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let player = (audio = new AudioFilePlayer());
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audio.loadFile('/svelte-audio-visualizations/music.mp3').then(() => player.play());
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}
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await player.loadFile('/svelte-audio-visualizations/music.mp3');
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player.play();
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currentlyPlaying = player;
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//Start recording, if not recording already
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$: if (state == 'recording' && !audio) {
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let recorder = (audio = new WavRecorder({ sampleRate: 24000 }));
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audio.begin().then(() => recorder.record());
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state = 'music';
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}
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</script>
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···
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<div class="flex gap-2 flex-col sm:flex-row">
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<button
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type="button"
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on:click={() => (state = state == 'recording' ? null : 'recording')}
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on:click={microphone}
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class="rounded-full px-3 py-2 text-sm font-semibold focus-visible:outline focus-visible:outline-2 focus-visible:outline-offset-2 focus-visible:outline-amber-500 {state ===
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'recording'
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? 'text-stone-500 bg-stone-500/10 border border-stone-500/20 hover:bg-stone-500/20'
···
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>
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<button
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type="button"
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on:click={() => (state = state == 'music' ? null : 'music')}
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on:click={music}
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class="rounded-full px-3 py-2 text-sm font-semibold focus-visible:outline focus-visible:outline-2 focus-visible:outline-offset-2 focus-visible:outline-amber-500 {state ===
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'music'
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? 'text-stone-500 bg-stone-500/10 border border-stone-500/20 hover:bg-stone-500/20'
···
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<div class="grid grid-cols-1 sm:grid-cols-3 gap-4 mt-8">
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<div class="h-64 w-full rounded-xl border border-white/15 p-4">
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<CircleBarAudioVisualizer {audio} startHue={0} endHue={50} rotate={2} />
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<CircleBarAudioVisualizer audio={currentlyPlaying} startHue={0} endHue={50} rotate={2} {analysisType} />
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</div>
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<div class="h-64 w-full rounded-xl border border-white/15 p-4">
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<BarAudioVisualizer {audio} barSpacing={8} startHue={0} endHue={50} center />
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<BarAudioVisualizer audio={currentlyPlaying} barSpacing={8} startHue={0} endHue={50} center {analysisType} />
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</div>
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<div class="h-64 w-full rounded-xl border border-white/15 p-4">
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<CircleCirclesAudioVisualizer {audio} startHue={0} endHue={50} />
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<CircleCirclesAudioVisualizer audio={currentlyPlaying} startHue={0} endHue={50} {analysisType} />
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</div>
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<AudioFrequency {audio} let:getValues>
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<AudioFrequency audio={currentlyPlaying} let:getValues {analysisType}>
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<div class="h-64 w-full rounded-xl border border-white/15 p-4">
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<Glow glow={20}>
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<DeformedCircleVisualizer values={getValues(16)} startHue={0} endHue={50} />
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<DeformedCircleVisualizer values={getValues(8)} startHue={0} endHue={50} />
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</Glow>
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</div>
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<div class="h-64 w-full rounded-xl border border-white/15 overflow-hidden">
···
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class="h-64 w-full rounded-xl border border-white/15 overflow-hidden flex items-center justify-center gap-4"
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>
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<div class="size-20">
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<MicrophoneVisualizer value={getValues(1)[0]} />
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<MicrophoneVisualizer value={getValues(3)[1]} />
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</div>
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<div class="size-20">
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<SpeakerVisualizer value={getValues(1)[0]} />
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<SpeakerVisualizer value={getValues(3)[1]} />
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</div>
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</div>
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</AudioFrequency>