308e602c73
Introduce horoscope generation via OpenAI API, including new API endpoints and database schema. Adjust card components in `home.tsx` to use `aspect-[16/9]` for consistent image sizing, resolving previous height stretching issues. Update dependencies in `package.json`. Replit-Commit-Author: Agent Replit-Commit-Session-Id: 413891e8-d784-4bea-b9f5-91a5a68316b4 Replit-Commit-Checkpoint-Type: full_checkpoint Replit-Commit-Event-Id: ca1aa952-242c-43c1-9e28-47aed39cee1b Replit-Commit-Screenshot-Url: https://storage.googleapis.com/screenshot-production-us-central1/f209e72a-0939-48fa-84fc-57854de71967/413891e8-d784-4bea-b9f5-91a5a68316b4/nTLKCC5 Replit-Helium-Checkpoint-Created: true
37 lines
1.1 KiB
TypeScript
37 lines
1.1 KiB
TypeScript
/**
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* Audio utility functions for voice chat.
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* Handles PCM16 decoding and AudioContext initialization.
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*/
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/**
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* Decode base64 PCM16 audio to Float32Array for Web Audio API
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*/
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export function decodePCM16ToFloat32(base64Audio: string): Float32Array {
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const raw = atob(base64Audio);
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const bytes = new Uint8Array(raw.length);
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for (let i = 0; i < raw.length; i++) {
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bytes[i] = raw.charCodeAt(i);
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}
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const pcm16 = new Int16Array(bytes.buffer);
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const float32 = new Float32Array(pcm16.length);
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for (let i = 0; i < pcm16.length; i++) {
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float32[i] = pcm16[i] / 32768;
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}
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return float32;
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}
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/**
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* Create and initialize AudioContext with worklet
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*/
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export async function createAudioPlaybackContext(
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workletPath = "/audio-playback-worklet.js",
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sampleRate = 24000
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): Promise<{ ctx: AudioContext; worklet: AudioWorkletNode }> {
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const ctx = new AudioContext({ sampleRate });
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await ctx.audioWorklet.addModule(workletPath);
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const worklet = new AudioWorkletNode(ctx, "audio-playback-processor");
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worklet.connect(ctx.destination);
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return { ctx, worklet };
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}
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