Merge pull request #10 from akdeb/gemini-update

Adding gemini support
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Akashdeep Deb 2025-06-11 15:37:21 +01:00 committed by GitHub
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@ -2,7 +2,7 @@
# 🚀 ElatoAI: Realtime Speech AI Agents for ESP32
Realtime AI Speech powered by OpenAI Realtime API, ESP32, Secure WebSockets, and Deno Edge Functions for >15-minute uninterrupted global conversations
Realtime AI Speech powered by **OpenAI Realtime API** and **Gemini Live API**, ESP32, Secure WebSockets, and Deno Edge Functions for >15-minute uninterrupted global conversations
<div align="center">
@ -29,7 +29,17 @@ Realtime AI Speech powered by OpenAI Realtime API, ESP32, Secure WebSockets, and
</div>
## ⚡️ DIY Hardware Design
## ⚡️ Realtime AI Speech Models on an ESP32
<div align="center" class="flex flex-row gap-4">
<img src="assets/openai.png" alt="OpenAI Realtime API" width="45%">
<img src="assets/gemini.png" alt="Gemini Live API" width="45%">
</div>
## 👷‍♀️ DIY Hardware Design
<img src="assets/pcb-design.png" alt="Hardware Setup" width="100%">
@ -102,6 +112,7 @@ cp .env.example .env
# In .env, set your environment variables
# SUPABASE_KEY=<your-supabase-anon-key>
# OPENAI_API_KEY=<your-openai-api-key>
# GEMINI_API_KEY=<your-gemini-api-key>
# Run the server at port 8000
deno run -A --env-file=.env main.ts
@ -143,13 +154,13 @@ Once your Wifi credentials are configured, turn the device off and on again and
ElatoAI consists of three main components:
1. **Frontend Client** (`Next.js` hosted on Vercel) - to create and talk to your AI agents and 'send' it to your ESP32 device
2. **Edge Server Functions** (`Deno` running on Deno/Supabase Edge) - to handle the websocket connections from the ESP32 device and the OpenAI API calls
3. **ESP32 IoT Client** (`PlatformIO/Arduino`) - to receive the websocket connections from the Edge Server Functions and send audio to the OpenAI API via the Deno edge server.
2. **Edge Server Functions** (`Deno` running on Deno/Supabase Edge) - to handle the websocket connections from the ESP32 device and the OpenAI and Gemini API calls
3. **ESP32 IoT Client** (`PlatformIO/Arduino`) - to receive the websocket connections from the Edge Server Functions and send audio to the OpenAI and Gemini API via the Deno edge server.
## 🌟 Features
1. **Realtime Speech-to-Speech**: Instant speech conversion powered by OpenAI's Realtime APIs.
1. **Realtime Speech-to-Speech**: Instant speech conversion powered by OpenAI's Realtime API and Gemini's Live API.
2. **Create Custom AI Agents**: Create custom agents with different personalities and voices.
3. **Customizable Voices**: Choose from a variety of voices and personalities.
4. **Secure WebSockets**: Reliable, encrypted WebSocket communication.
@ -200,7 +211,9 @@ flowchart TD
UserInput --> ESP32
ESP32[ESP32 Device] -->|WebSocket| Edge[Deno Edge Function]
Edge -->|OpenAI API| OpenAI[OpenAI Realtime API]
Edge -->|Gemini API| Gemini[Gemini Live API]
OpenAI --> Edge
Gemini --> Edge
Edge -->|WebSocket| ESP32
ESP32 --> UserOutput
```

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@ -167,6 +167,7 @@ export async function GET(request: NextRequest) {
}),
},
);
console.log(response);
const data = await response.json();
return NextResponse.json(data);
} catch (error) {

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@ -8,14 +8,13 @@ import { Button } from "@/components/ui/button";
import { Label } from "@/components/ui/label";
import { Input } from "@/components/ui/input";
import { Textarea } from "@/components/ui/textarea";
import { ArrowLeft, ArrowRight, Check, Mic, Volume2 } from "lucide-react";
import Twemoji from "react-twemoji";
import { ArrowLeft, ArrowRight, Check, Volume2 } from "lucide-react";
import { createPersonality } from "@/db/personalities";
import { v4 as uuidv4 } from 'uuid';
import { toast } from "@/components/ui/use-toast";
import { useRouter } from "next/navigation";
import { z } from "zod";
import { emotionOptions, r2UrlAudio, voices } from "@/lib/data";
import { emotionOptions, geminiVoices, openaiVoices, r2UrlAudio, VoiceType } from "@/lib/data";
import EmojiComponent from "./EmojiComponent";
import { PitchFactors } from "@/lib/utils";
import { Slider } from "@/components/ui/slider";
@ -26,6 +25,7 @@ interface SettingsDashboardProps {
}
const formSchema = z.object({
provider: z.enum(["openai", "gemini"]),
title: z.string().min(2, "Minimum 2 characters").max(50, "Maximum 50 characters"),
description: z.string().min(50, "Minimum 50 characters").max(200, "Maximum 200 characters"),
prompt: z.string().min(100, "Minimum 100 characters").max(1000, "Maximum 1000 characters"),
@ -49,6 +49,7 @@ const SettingsDashboard: React.FC<SettingsDashboardProps> = ({
const [isSubmitting, setIsSubmitting] = useState(false);
const [formData, setFormData] = useState({
provider: 'openai' as ModelProvider,
title: '',
description: '',
prompt: '',
@ -63,10 +64,8 @@ const SettingsDashboard: React.FC<SettingsDashboardProps> = ({
const [touchedFields, setTouchedFields] = useState<Record<string, boolean>>({});
const [formErrors, setFormErrors] = useState<Partial<Record<keyof FormData | 'features', string>>>({});
const [previewingVoice, setPreviewingVoice] = useState<string | null>(null);
const handleBlur = (field: keyof FormData | 'features') => {
@ -167,6 +166,7 @@ const SettingsDashboard: React.FC<SettingsDashboardProps> = ({
try {
const personality = await createPersonality(supabase, selectedUser.user_id, {
provider: formData.provider as ModelProvider,
title: formData.title,
subtitle: "",
character_prompt: formData.prompt,
@ -206,15 +206,18 @@ const SettingsDashboard: React.FC<SettingsDashboardProps> = ({
const [audioElement, setAudioElement] = useState<HTMLAudioElement | null>(null);
const previewVoice = (voiceId: string) => {
const previewVoice = (voice: VoiceType) => {
const { id, provider } = voice;
if (provider === 'openai') {
// Stop any currently playing preview
if (audioElement) {
audioElement.pause();
audioElement.currentTime = 0;
}
const audioSampleUrl = `${r2UrlAudio}/${voiceId}.wav`;
setPreviewingVoice(voiceId);
const audioSampleUrl = `${r2UrlAudio}/${id}.wav`;
setPreviewingVoice(id);
// Create and play audio element
const audio = new Audio(audioSampleUrl);
@ -233,11 +236,12 @@ const SettingsDashboard: React.FC<SettingsDashboardProps> = ({
// Fallback in case audio doesn't trigger onended
setTimeout(() => {
if (previewingVoice === voiceId) {
if (previewingVoice === id) {
setPreviewingVoice(null);
}
}, 10000); // 10 second fallback
};
}
}
const Heading = () => {
return (
@ -260,51 +264,70 @@ const SettingsDashboard: React.FC<SettingsDashboardProps> = ({
{currentStep === 'personality' ?
<div className="space-y-4">
{/* Voice Picker */}
<div className="space-y-2">
<Label htmlFor="voice">Pick a voice</Label>
<p className="text-sm text-gray-500">
Click a voice to preview how it sounds.
</p>
<div className="grid grid-cols-3 gap-3">
{voices.map((voice) => (
<div
key={voice.id}
className={`
relative rounded-lg border p-3 transition-all
${formData.voice === voice.id
? 'border-2 border-blue-500 shadow-sm ' + voice.color
: 'border-gray-200 hover:border-gray-300 cursor-pointer'
}
`}
onClick={() => {
handleInputChange('voice', voice.id);
previewVoice(voice.id);
}}
>
<div className="flex flex-col">
<div className="flex flex-col sm:flex-row items-center sm:items-start gap-3">
<div className="text-2xl mt-0.5">
<EmojiComponent emoji={voice.emoji} />
</div>
<div className="flex flex-col text-center sm:text-left">
<span className="font-medium">{voice.name}</span>
<span className="text-xs text-gray-600">{voice.description}</span>
</div>
</div>
{previewingVoice === voice.id && (
<div className="absolute top-2 right-2">
<div className="animate-pulse text-blue-500">
<Volume2 size={20} />
</div>
</div>
)}
</div>
</div>
))}
</div>
</div>
<div className="space-y-4">
<Label htmlFor="voice">Pick a voice</Label>
<p className="text-sm text-gray-500">
Click a voice to preview how it sounds.
</p>
<div className="grid grid-cols-3 gap-3 px-2">
{[...openaiVoices, ...geminiVoices].map((voice: VoiceType) => (
<div
key={voice.id}
className={`
relative rounded-xl border-2 p-4 transition-all cursor-pointer hover:scale-[1.02] hover:shadow-lg
${formData.voice === voice.id
? `border-blue-500 shadow-lg ${voice.color} ring-2 ring-blue-200`
: `border-gray-200 hover:border-gray-300 ${voice.color} hover:shadow-md`
}
`}
onClick={() => {
setFormData(prev => ({
...prev,
provider: voice.provider as ModelProvider,
voice: voice.id
}));
previewVoice(voice);
}}
>
<div className="flex flex-col">
<div className="flex flex-col items-center gap-3">
<div className="text-3xl">
<EmojiComponent emoji={voice.emoji} />
</div>
<div className="flex flex-col text-center">
<span className="font-semibold text-gray-900">{voice.name}</span>
<span className="text-xs text-gray-600 mt-1">{voice.description}</span>
<div className={`inline-flex items-center justify-center px-2 py-1 rounded-full text-xs font-medium mt-2 ${
voice.provider === 'openai'
? 'bg-emerald-500 text-white'
: 'bg-purple-500 text-white'
}`}>
{voice.provider === 'openai' ? 'OpenAI' : 'Gemini'}
</div>
</div>
</div>
{previewingVoice === voice.id && (
<div className="absolute top-3 right-3">
<div className="animate-pulse text-blue-600 bg-white rounded-full p-2 shadow-lg">
<Volume2 size={16} />
</div>
</div>
)}
{formData.voice === voice.id && (
<div className="absolute -top-2 -right-2">
<div className="bg-blue-500 text-white rounded-full p-1.5 shadow-lg">
<Check size={12} />
</div>
</div>
)}
</div>
</div>
))}
</div>
</div>
<div className="space-y-2">
<Label htmlFor="title">Title</Label>

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@ -2,16 +2,16 @@
import { Volume2 } from "lucide-react";
import { Label } from "@/components/ui/label";
import { emotionOptions, r2UrlAudio, voices } from "@/lib/data";
import { emotionOptions, r2UrlAudio, openaiVoices } from "@/lib/data";
import EmojiComponent from "../CreateCharacter/EmojiComponent";
import { useState } from "react";
import { Input } from "@/components/ui/input";
export const VoiceSettings = () => {
const [audioElement, setAudioElement] = useState<HTMLAudioElement | null>(null);
const [previewingVoice, setPreviewingVoice] = useState<string | null>(null);
const [previewingVoice, setPreviewingVoice] = useState<OaiVoice | null>(null);
const previewVoice = (voiceId: string) => {
const previewVoice = (voiceId: OaiVoice) => {
// If the same voice is clicked again while playing, pause it
if (previewingVoice === voiceId && audioElement) {
audioElement.pause();
@ -55,18 +55,18 @@ export const VoiceSettings = () => {
<div className="space-y-2">
<Label htmlFor="voice">Pick a voice</Label>
<div className="grid grid-cols-2 gap-3">
{voices.map((voice) => (
{openaiVoices.map((voice) => (
<div
key={voice.id}
className={`
rounded-lg border p-3 transition-all relative
${"" === voice.id
${voice.id === previewingVoice
? 'border-2 border-blue-500 shadow-sm ' + voice.color
: 'border-gray-200 hover:border-gray-300 cursor-pointer'
}
`}
onClick={() => {
previewVoice(voice.id);
previewVoice(voice.id as OaiVoice);
}}
>
<div className="flex flex-col">

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@ -12,6 +12,7 @@ import { useState } from "react";
import { Drawer, DrawerContent, DrawerTrigger } from "@/components/ui/drawer";
import { getPersonalityImageSrc } from "@/lib/utils";
import { EmojiComponent } from "./EmojiImage";
import { Badge } from "@/components/ui/badge";
interface ModifyCharacterSheetProps {
openPersonality: IPersonality;
@ -111,7 +112,12 @@ const ModifyCharacterSheet: React.FC<ModifyCharacterSheetProps> = ({
/>
</div>
)}
<div className="space-y-2 text-left w-full">
<div className="space-y-2 text-left w-full relative">
<div className="absolute top-0 right-0">
<Badge variant="outline">
{openPersonality.provider}
</Badge>
</div>
<div className="flex flex-row items-center gap-2">
<h3 className="text-xl font-semibold">
{openPersonality.title}

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@ -380,6 +380,7 @@ function App({ personalityIdState, isDoctor, userId }: AppProps) {
sessionStatus={sessionStatus}
onToggleConnection={onToggleConnection}
isDoctor={isDoctor}
personality={personality}
/>
</div>
<SheetContent

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@ -8,12 +8,14 @@ interface BottomToolbarProps {
sessionStatus: SessionStatus;
onToggleConnection: () => void;
isDoctor: boolean;
personality: IPersonality;
}
function BottomToolbar({
sessionStatus,
onToggleConnection,
isDoctor,
personality,
}: BottomToolbarProps) {
const isConnected = sessionStatus === "CONNECTED";
const isConnecting = sessionStatus === "CONNECTING";
@ -36,7 +38,7 @@ function BottomToolbar({
return "Doctor chat";
}
const isDisabled = isConnecting;
const isDisabled = isConnecting || personality.provider === "gemini";
function getConnectionButtonClasses() {
const baseClasses = "text-white text-base p-2 w-fit rounded-full shadow-lg flex flex-row items-center justify-center gap-2 px-4";
@ -72,7 +74,7 @@ function BottomToolbar({
</TooltipTrigger>
{isDisabled && (
<TooltipContent>
<p>Add an API key in Settings to chat with your AI character.</p>
{personality.provider === "gemini" ? <p>Talk to Gemini on your Elato device.</p> : <p>Add an API key in Settings to chat with your AI character.</p>}
</TooltipContent>
)}
</Tooltip>

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@ -38,13 +38,32 @@ export const DEVICE_COST = 55;
export const ORIGINAL_COST = 111;
export const SUBSCRIPTION_COST = 10;
export const voices = [
export type VoiceType =
| {
provider: "openai";
id: OaiVoice;
name: string;
description: string;
color: string;
emoji?: string;
}
| {
provider: "gemini";
id: GeminiVoice;
name: string;
description: string;
color: string;
emoji?: string;
};
export const openaiVoices: VoiceType[] = [
{
id: "alloy",
name: "Alloy",
description: "Neutral and balanced",
color: "bg-blue-100",
emoji: "🧑",
provider: "openai",
},
{
id: "echo",
@ -52,6 +71,7 @@ export const voices = [
description: "Warm and melodic",
color: "bg-purple-100",
emoji: "👩‍🎤",
provider: "openai",
},
{
id: "shimmer",
@ -59,6 +79,7 @@ export const voices = [
description: "Clear and bright",
color: "bg-cyan-100",
emoji: "👱‍♀️",
provider: "openai",
},
{
id: "ash",
@ -66,6 +87,7 @@ export const voices = [
description: "Soft and thoughtful",
color: "bg-gray-100",
emoji: "🧔",
provider: "openai",
},
{
id: "ballad",
@ -73,6 +95,7 @@ export const voices = [
description: "Melodic and emotive",
color: "bg-indigo-100",
emoji: "🎭",
provider: "openai",
},
{
id: "coral",
@ -80,6 +103,7 @@ export const voices = [
description: "Warm and friendly",
color: "bg-orange-100",
emoji: "👩",
provider: "openai",
},
{
id: "sage",
@ -87,6 +111,7 @@ export const voices = [
description: "Wise and measured",
color: "bg-green-100",
emoji: "🧓",
provider: "openai",
},
{
id: "verse",
@ -94,6 +119,220 @@ export const voices = [
description: "Poetic and expressive",
color: "bg-rose-100",
emoji: "👨‍🎨",
provider: "openai",
},
];
export const geminiVoices: VoiceType[] = [
{
id: "Zephyr",
name: "Zephyr",
description: "Bright",
color: "bg-yellow-100",
provider: "gemini",
},
{
id: "Puck",
name: "Puck",
description: "Upbeat",
color: "bg-orange-100",
provider: "gemini",
},
{
id: "Charon",
name: "Charon",
description: "Informative",
color: "bg-blue-100",
provider: "gemini",
},
{
id: "Kore",
name: "Kore",
description: "Firm",
color: "bg-gray-100",
provider: "gemini",
},
{
id: "Fenrir",
name: "Fenrir",
description: "Excitable",
color: "bg-red-100",
provider: "gemini",
},
{
id: "Leda",
name: "Leda",
description: "Youthful",
color: "bg-pink-100",
provider: "gemini",
},
{
id: "Orus",
name: "Orus",
description: "Firm",
color: "bg-slate-100",
provider: "gemini",
},
{
id: "Aoede",
name: "Aoede",
description: "Breezy",
color: "bg-sky-100",
provider: "gemini",
},
{
id: "Callirrhoe",
name: "Callirrhoe",
description: "Easy-going",
color: "bg-green-100",
provider: "gemini",
},
{
id: "Autonoe",
name: "Autonoe",
description: "Bright",
color: "bg-amber-100",
provider: "gemini",
},
{
id: "Enceladus",
name: "Enceladus",
description: "Breathy",
color: "bg-cyan-100",
provider: "gemini",
},
{
id: "Iapetus",
name: "Iapetus",
description: "Clear",
color: "bg-white",
provider: "gemini",
},
{
id: "Umbriel",
name: "Umbriel",
description: "Easy-going",
color: "bg-emerald-100",
provider: "gemini",
},
{
id: "Algieba",
name: "Algieba",
description: "Smooth",
color: "bg-violet-100",
provider: "gemini",
},
{
id: "Despina",
name: "Despina",
description: "Smooth",
color: "bg-purple-100",
provider: "gemini",
},
{
id: "Erinome",
name: "Erinome",
description: "Clear",
color: "bg-neutral-100",
provider: "gemini",
},
{
id: "Algenib",
name: "Algenib",
description: "Gravelly",
color: "bg-stone-100",
provider: "gemini",
},
{
id: "Rasalgethi",
name: "Rasalgethi",
description: "Informative",
color: "bg-indigo-100",
provider: "gemini",
},
{
id: "Laomedeia",
name: "Laomedeia",
description: "Upbeat",
color: "bg-lime-100",
provider: "gemini",
},
{
id: "Achernar",
name: "Achernar",
description: "Soft",
color: "bg-rose-100",
provider: "gemini",
},
{
id: "Alnilam",
name: "Alnilam",
description: "Firm",
color: "bg-zinc-100",
provider: "gemini",
},
{
id: "Schedar",
name: "Schedar",
description: "Even",
color: "bg-teal-100",
provider: "gemini",
},
{
id: "Gacrux",
name: "Gacrux",
description: "Mature",
color: "bg-brown-100",
provider: "gemini",
},
{
id: "Pulcherrima",
name: "Pulcherrima",
description: "Forward",
color: "bg-fuchsia-100",
provider: "gemini",
},
{
id: "Achird",
name: "Achird",
description: "Friendly",
color: "bg-yellow-100",
provider: "gemini",
},
{
id: "Zubenelgenubi",
name: "Zubenelgenubi",
description: "Casual",
color: "bg-orange-100",
provider: "gemini",
},
{
id: "Vindemiatrix",
name: "Vindemiatrix",
description: "Gentle",
color: "bg-green-100",
provider: "gemini",
},
{
id: "Sadachbia",
name: "Sadachbia",
description: "Lively",
color: "bg-red-100",
provider: "gemini",
},
{
id: "Sadaltager",
name: "Sadaltager",
description: "Knowledgeable",
color: "bg-blue-100",
provider: "gemini",
},
{
id: "Sulafat",
name: "Sulafat",
description: "Warm",
color: "bg-orange-100",
provider: "gemini",
},
];

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@ -10,6 +10,33 @@ const config = {
"./src/**/*.{ts,tsx}",
],
prefix: "",
safelist: [
// Voice background colors
"bg-blue-100",
"bg-purple-100",
"bg-cyan-100",
"bg-gray-100",
"bg-indigo-100",
"bg-orange-100",
"bg-green-100",
"bg-rose-100",
"bg-yellow-100",
"bg-red-100",
"bg-pink-100",
"bg-slate-100",
"bg-sky-100",
"bg-amber-100",
"bg-white",
"bg-emerald-100",
"bg-violet-100",
"bg-neutral-100",
"bg-stone-100",
"bg-lime-100",
"bg-zinc-100",
"bg-teal-100",
"bg-brown-100",
"bg-fuchsia-100",
],
theme: {
container: {
center: true,
@ -98,8 +125,10 @@ const config = {
"infinite-scroll-inverse 60s linear infinite",
},
boxShadow: {
cool: "0 4px 6px rgba(135, 206, 235, 0.2), 0 8px 24px rgba(70, 130, 180, 0.5)",
tron: "0 4px 6px rgba(255, 215, 0, 0.2), 0 8px 24px rgba(218, 165, 32, 0.5)",
cool:
"0 4px 6px rgba(135, 206, 235, 0.2), 0 8px 24px rgba(70, 130, 180, 0.5)",
tron:
"0 4px 6px rgba(255, 215, 0, 0.2), 0 8px 24px rgba(218, 165, 32, 0.5)",
custom_focus: "0 0 20px rgba(0, 0, 0, 0.25)", // Custom shadow
custom_unfocus: "0 0 8px rgba(0, 0, 0, 0.07)", // Custom shadow
},

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@ -98,7 +98,39 @@ declare global {
is_sensitive: boolean;
}
type TTSModel = "FISH" | "AZURE";
type ModelProvider = "openai" | "gemini";
type GeminiVoice =
| "Zephyr"
| "Puck"
| "Charon"
| "Kore"
| "Fenrir"
| "Leda"
| "Orus"
| "Aoede"
| "Callirrhoe"
| "Autonoe"
| "Enceladus"
| "Iapetus"
| "Umbriel"
| "Algieba"
| "Despina"
| "Erinome"
| "Algenib"
| "Rasalgethi"
| "Laomedeia"
| "Achernar"
| "Alnilam"
| "Schedar"
| "Gacrux"
| "Pulcherrima"
| "Achird"
| "Zubenelgenubi"
| "Vindemiatrix"
| "Sadachbia"
| "Sadaltager"
| "Sulafat";
type OaiVoice =
| "ash"
@ -117,7 +149,8 @@ declare global {
is_child_voice: boolean;
is_story: boolean;
key: string;
oai_voice: OaiVoice;
oai_voice: OaiVoice | GeminiVoice;
provider: ModelProvider;
title: string;
subtitle: string;
short_description: string;

View file

@ -18,6 +18,9 @@
"proseWrap": "preserve"
}
},
"compilerOptions": {
"lib": ["deno.window", "deno.ns"]
},
"lint": {
"files": {
"include": ["./**/*.ts"],

View file

@ -4,12 +4,16 @@
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]
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"ipaddr.js"
]
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]
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"http-errors",
"iconv-lite",
"unpipe"
]
},
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"depd",
"is-promise",
"parseurl",
"path-to-regexp"
]
},
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"dependencies": [
"debug",
"encodeurl",
"escape-html",
"etag",
"fresh",
"http-errors",
"mime-types",
"ms",
"on-finished",
"range-parser",
"statuses"
]
},
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"escape-html",
"parseurl",
"send"
]
},
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"dependencies": [
"shebang-regex"
]
},
"shebang-regex@3.0.0": {
"integrity": "sha512-7++dFhtcx3353uBaq8DDR4NuxBetBzC7ZQOhmTQInHEd6bSrXdiEyzCvG07Z44UYdLShWUyXt5M/yhz8ekcb1A=="
},
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"dependencies": [
"es-errors",
"object-inspect"
]
},
"side-channel-map@1.0.1": {
"integrity": "sha512-VCjCNfgMsby3tTdo02nbjtM/ewra6jPHmpThenkTYh8pG9ucZ/1P8So4u4FGBek/BjpOVsDCMoLA/iuBKIFXRA==",
"dependencies": [
"call-bound",
"es-errors",
"get-intrinsic",
"object-inspect"
]
},
"side-channel-weakmap@1.0.2": {
"integrity": "sha512-WPS/HvHQTYnHisLo9McqBHOJk2FkHO/tlpvldyrnem4aeQp4hai3gythswg6p01oSoTl58rcpiFAjF2br2Ak2A==",
"dependencies": [
"call-bound",
"es-errors",
"get-intrinsic",
"object-inspect",
"side-channel-map"
]
},
"side-channel@1.1.0": {
"integrity": "sha512-ZX99e6tRweoUXqR+VBrslhda51Nh5MTQwou5tnUDgbtyM0dBgmhEDtWGP/xbKn6hqfPRHujUNwz5fy/wbbhnpw==",
"dependencies": [
"es-errors",
"object-inspect",
"side-channel-list",
"side-channel-map",
"side-channel-weakmap"
]
},
"statuses@2.0.1": {
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},
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},
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"dependencies": [
"content-type",
"media-typer",
"mime-types"
]
},
"undici-types@6.20.0": {
"integrity": "sha512-Ny6QZ2Nju20vw1SRHe3d9jVu6gJ+4e3+MMpqu7pqE5HT6WsTSlce++GQmK5UXS8mzV8DSYHrQH+Xrf2jVcuKNg=="
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},
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"integrity": "sha512-7rKUyy33Q1yc98pQ1DAmLtwX109F7TIfWlW1Ydo8Wl1ii1SeHieeh0HHfPeL2fMXK6z0s8ecKs9frCuLJvndBg==",
"dependencies": [
"punycode"
]
},
"uuid@9.0.1": {
"integrity": "sha512-b+1eJOlsR9K8HJpow9Ok3fiWOWSIcIzXodvv0rQjVoOVNpWMpxf1wZNpt4y9h10odCNrqnYp1OBzRktckBe3sA==",
"bin": true
},
"vary@1.1.2": {
"integrity": "sha512-BNGbWLfd0eUPabhkXUVm0j8uuvREyTh5ovRa/dyow/BqAbZJyC+5fU+IzQOzmAKzYqYRAISoRhdQr3eIZ/PXqg=="
},
"wavefile@11.0.0": {
"integrity": "sha512-/OBiAALgWU24IG7sC84cDO/KfFuvajWc5Uec0oV2zrpOOZZDgGdOwHwgEzOrwh8jkubBk7PtZfQBIcI1OaE5Ng==",
"bin": true
},
"webidl-conversions@3.0.1": {
"integrity": "sha512-2JAn3z8AR6rjK8Sm8orRC0h/bcl/DqL7tRPdGZ4I1CjdF+EaMLmYxBHyXuKL849eucPFhvBoxMsflfOb8kxaeQ=="
},
@ -99,8 +687,27 @@
"webidl-conversions"
]
},
"which@2.0.2": {
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"dependencies": [
"isexe"
],
"bin": true
},
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},
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"dependencies": [
"zod"
]
},
"zod@3.25.36": {
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}
},
"remote": {

View file

@ -1,85 +1,25 @@
import { Buffer } from "node:buffer";
import { createServer } from "node:http";
import { WebSocketServer } from "npm:ws";
import type {
RawData,
WebSocket as WSWebSocket,
WebSocketServer as _WebSocketServer,
} from "npm:@types/ws";
import { RealtimeClient } from "./realtime/client.js";
import { RealtimeUtils } from "./realtime/utils.js";
import { authenticateUser } from "./utils.ts";
import {
addConversation,
createFirstMessage,
createSystemPrompt,
getChatHistory,
getDeviceInfo,
getSupabaseClient,
updateUserSessionTime,
} from "./supabase.ts";
import { SupabaseClient } from "@supabase/supabase-js";
import { Encoder } from "@evan/opus";
const isDev = Deno.env.get("DEV_MODE") === "True";
// Define your audio parameters
const SAMPLE_RATE = 24000; // For example, 24000 Hz
const CHANNELS = 1; // Mono (set to 2 if you have stereo)
const FRAME_DURATION = 120; // Frame length in ms
const BYTES_PER_SAMPLE = 2; // 16-bit PCM: 2 bytes per sample
const FRAME_SIZE = (SAMPLE_RATE * FRAME_DURATION / 1000) * CHANNELS *
BYTES_PER_SAMPLE; // 960 bytes for 24000 Hz mono 16-bit
// Evan's library doesnt require you to specify frame size here;
// it will automatically handle the frame size based on your PCM input.
// Create a global encoder instance (reuse this for every audio delta)
const encoder = new Encoder({
channels: CHANNELS,
sample_rate: SAMPLE_RATE,
application: "voip",
});
encoder.expert_frame_duration = FRAME_DURATION;
encoder.bitrate = 12000;
import { isDev } from "./utils.ts";
import { connectToOpenAI } from "./models/openai.ts";
import { connectToGemini } from "./models/gemini.ts";
const server = createServer();
const wss: _WebSocketServer = new WebSocketServer({ noServer: true });
const sendFirstMessage = (client: RealtimeClient, firstMessage: string) => {
const event = {
event_id: RealtimeUtils.generateId("evt_"), // Generate unique ID
type: "conversation.item.create",
previous_item_id: "root",
item: {
type: "message",
role: "system",
content: [{
type: "input_text",
text: firstMessage,
}],
},
};
client.realtime.send(event.type, event);
client.realtime.send("response.create", {
event_id: RealtimeUtils.generateId("evt_"), // Generate unique ID
type: "response.create",
});
};
const supabaseUrl = Deno.env.get("SUPABASE_URL");
const supabaseKey = Deno.env.get("SUPABASE_KEY");
const openaiApiKey = Deno.env.get("OPENAI_API_KEY");
if (!supabaseUrl || !supabaseKey) {
throw new Error("SUPABASE_URL or SUPABASE_KEY is not set");
}
wss.on("connection", async (ws: WSWebSocket, payload: IPayload) => {
const { user, supabase } = payload;
@ -92,6 +32,18 @@ wss.on("connection", async (ws: WSWebSocket, payload: IPayload) => {
append: true,
});
}
const chatHistory = await getChatHistory(
supabase,
user.user_id,
user.personality?.key ?? null,
false,
);
const firstMessage = createFirstMessage(payload);
const systemPrompt = createSystemPrompt(chatHistory, payload);
const provider = user.personality?.provider;
// send user details to client
// when DEV_MODE is true, we send the default values 100, false, false
ws.send(
@ -104,345 +56,27 @@ wss.on("connection", async (ws: WSWebSocket, payload: IPayload) => {
}),
);
const isDoctor = user.user_info.user_type === "doctor";
const chatHistory = await getChatHistory(
supabase,
user.user_id,
user.personality?.key ?? null,
isDoctor,
);
const firstMessage = createFirstMessage(chatHistory, payload);
console.log("firstMessage", firstMessage);
const systemPrompt = createSystemPrompt(chatHistory, payload);
let sessionStartTime: number;
let currentItemId: string | null = null;
let currentCallId: string | null = null;
// Instantiate new client
console.log(`Connecting with key "${openaiApiKey.slice(0, 3)}..."`);
const client = new RealtimeClient({ apiKey: openaiApiKey });
// ADD TOOL CALLS HERE
client.addTool(
{
type: "function",
name: "end_session",
description:
'Call this if the user says bye or needs to leave or suggests they want to end the session. (e.g. "I gotta to go", "I have to work", "I have to sleep", "I have to do something else")',
parameters: {
type: "object",
strict: true,
properties: {
reason: {
type: "string",
description:
'Short reason for ending the session.',
},
},
required: ["reason"],
},
},
(args: any) => {
console.log("end session", args);
// Send your custom message to the client
ws.send(JSON.stringify({ type: "server", msg: "SESSION.END" }));
// Send the function result back to OpenAI
const functionResult = {
event_id: RealtimeUtils.generateId("evt_"),
type: "conversation.item.create",
item: {
id: RealtimeUtils.generateId("item_"),
type: "function_call_output",
call_id: currentCallId,
output: JSON.stringify({
success: true,
message: `Session ended: ${args.reason}`,
}),
},
};
client.realtime.send(functionResult.type, functionResult);
// Return the result for the callback
return { success: true, message: `Session ended: ${args.reason}` };
},
);
// Relay: OpenAI Realtime API Event -> Browser Event
client.realtime.on("server.*", async (event: any) => {
// console.log(`Relaying "${event.type}" to Client`);
// Check if the event is session.created
if (event.type === "session.created") {
console.log("session created", event);
sessionStartTime = Date.now();
sendFirstMessage(client, firstMessage);
} else if (event.type === "session.updated") {
console.log("session updated", event);
} else if (event.type === "error") {
console.log("error", event);
} else if (event.type === "response.done") {
// Fetch the latest device info when response is complete
try {
const device = await getDeviceInfo(supabase, user.user_id);
if (device) {
// Send the updated volume data along with the response complete message
ws.send(JSON.stringify({
type: "server",
msg: "RESPONSE.COMPLETE",
volume_control: device.volume ?? 100,
}));
} else {
// Fall back to just sending the complete message if there's an error
ws.send(
JSON.stringify({
type: "server",
msg: "RESPONSE.COMPLETE",
}),
);
}
} catch (error) {
console.error("Error fetching updated device info:", error);
ws.send(
JSON.stringify({
type: "server",
msg: "RESPONSE.COMPLETE",
}),
);
}
} else if (event.type === "response.audio_transcript.done") {
console.log("response.audio_transcript.done", event);
await addConversation(
supabase,
"assistant",
event.transcript,
user,
switch (provider) {
case "openai":
await connectToOpenAI(
ws,
payload,
connectionPcmFile,
firstMessage,
systemPrompt,
);
} else if (event.type === "input_audio_buffer.committed") {
ws.send(JSON.stringify({ type: "server", msg: "AUDIO.COMMITTED" }));
}
if (event.type in client.conversation.EventProcessors) {
try {
switch (event.type) {
case "response.created":
console.log("response.created", event);
ws.send(
JSON.stringify({
type: "server",
msg: "RESPONSE.CREATED",
}),
);
break;
case "response.output_item.added":
console.log("response.output_item.added", event);
if (event.item.id) {
console.log("foobar", event.item.id);
currentItemId = event.item.id;
currentCallId = event.item.call_id;
}
break;
case "response.audio.delta":
{
const { delta } = client.conversation.processEvent(
event,
);
try {
if (delta?.audio?.buffer) {
const pcmBuffer = Buffer.from(
delta.audio.buffer,
);
for (
let offset = 0;
offset < pcmBuffer.length;
offset += FRAME_SIZE
) {
// Get one frame of PCM data.
const frame = pcmBuffer.subarray(
offset,
offset + FRAME_SIZE,
);
try {
const encodedPacket = encoder
.encode(frame);
ws.send(encodedPacket);
} catch (_e) {
// Skip this frame but continue with others
}
}
}
} catch (audioError) {
console.error(
"Error processing audio delta:",
audioError,
);
// Don't send any audio data if there's an error at this level
}
}
break;
case "conversation.item.created":
console.log("user said: ", event.item);
break;
case "conversation.item.input_audio_transcription.completed":
console.log("user transcription:", event);
await addConversation(
supabase,
"user",
event.transcript,
user,
);
break;
}
} catch (error) {
console.error("Error processing event:", error);
console.error("Event that caused the error:", event);
ws.send(
JSON.stringify({ type: "server", msg: "RESPONSE.ERROR" }),
);
}
}
});
client.realtime.on("close", () => ws.close());
// Relay: Browser Event -> OpenAI Realtime API Event
// We need to queue data waiting for the OpenAI connection
const messageQueue: RawData[] = [];
const messageHandler = async (data: any, isBinary: boolean) => {
try {
let event;
// for esp32
if (isBinary) {
const base64Data = data.toString("base64");
// Convert binary PCM16 data to base64 for OpenAI Realtime API
event = {
event_id: RealtimeUtils.generateId("evt_"), // Generate unique ID
type: "input_audio_buffer.append",
audio: base64Data,
};
// Write the raw PCM data to file for debugging if enabled.
// Also write the base64 data to a separate file
if (isDev) {
if (connectionPcmFile) {
await connectionPcmFile.write(data);
}
}
client.realtime.send(event.type, event);
} else { // Manual VAD
const message = JSON.parse(data.toString("utf-8"));
// commit user audio and create response
if (
message.type === "instruction" &&
message.msg === "end_of_speech"
) {
console.log("end_of_speech detected");
client.realtime.send("input_audio_buffer.commit", {
event_id: RealtimeUtils.generateId("evt_"), // Generate unique ID
type: "input_audio_buffer.commit",
});
client.realtime.send("response.create", {
event_id: RealtimeUtils.generateId("evt_"), // Generate unique ID
type: "response.create",
});
client.realtime.send("input_audio_buffer.clear", {
event_id: RealtimeUtils.generateId("evt_"), // Generate unique ID
type: "input_audio_buffer.clear",
});
} else if (
message.type === "instruction" &&
message.msg === "INTERRUPT"
) {
console.log("interrupt detected", message);
const audioEndMs = message.audio_end_ms;
client.realtime.send("conversation.item.truncate", {
event_id: RealtimeUtils.generateId("evt_"), // Generate unique ID
type: "conversation.item.truncate",
item_id: currentItemId,
content_index: 0,
audio_end_ms: audioEndMs,
});
client.realtime.send("input_audio_buffer.clear", {
event_id: RealtimeUtils.generateId("evt_"), // Generate unique ID
type: "input_audio_buffer.clear",
});
}
}
} catch (e: unknown) {
console.error((e as Error).message);
console.log(`Error parsing event from client: ${data}`);
}
};
ws.on("message", (data: any, isBinary: boolean) => {
if (!client.isConnected()) {
messageQueue.push(data);
} else {
messageHandler(data, isBinary);
}
});
// Add error handler
ws.on("error", (error: any) => {
console.error("WebSocket error:", error);
client.disconnect();
});
// Add more detailed close handling
ws.on("close", async (code: number, reason: string) => {
console.log(`WebSocket closed with code ${code}, reason: ${reason}`);
if (sessionStartTime) {
const sessionDuration = Math.floor(
(Date.now() - sessionStartTime) / 1000,
break;
case "gemini":
await connectToGemini(
ws,
payload,
connectionPcmFile,
firstMessage,
systemPrompt,
);
await updateUserSessionTime(supabase, user, sessionDuration);
}
client.disconnect();
if (isDev) {
if (connectionPcmFile) {
connectionPcmFile.close();
console.log(`Closed debug audio file.`);
}
}
});
// Connect to the OpenAI Realtime API
try {
console.log(`Connecting to OpenAI...`);
const sessionOptions = {
model: "gpt-4o-mini-realtime-preview-2024-12-17",
// turn_detection: null,
turn_detection: {
type: "server_vad",
threshold: 0.4,
prefix_padding_ms: 400,
silence_duration_ms: 1000,
},
voice: user.personality?.oai_voice ?? "ash",
instructions: systemPrompt,
input_audio_transcription: { model: "whisper-1" },
};
await client.connect(sessionOptions as any);
} catch (e: unknown) {
console.log(`Error connecting to OpenAI: ${e as Error}`);
ws.close();
return;
}
console.log(`Connected to OpenAI successfully!`);
while (messageQueue.length) {
messageHandler(messageQueue.shift(), false);
break;
default:
throw new Error(`Unknown provider: ${provider}`);
}
});
@ -468,7 +102,6 @@ server.on("upgrade", async (req, socket, head) => {
supabase = getSupabaseClient(authToken as string);
user = await authenticateUser(supabase, authToken as string);
console.log(user.email);
} catch (_e: any) {
socket.write("HTTP/1.1 401 Unauthorized\r\n\r\n");
socket.destroy();

View file

@ -0,0 +1,281 @@
import { Buffer } from "node:buffer";
import type { WebSocketServer as _WebSocketServer } from "npm:@types/ws";
import {
EndSensitivity,
GoogleGenAI,
LiveConnectConfig,
LiveServerMessage,
Modality,
Session,
} from "npm:@google/genai";
import { encoder, FRAME_SIZE, geminiApiKey, isDev } from "../utils.ts";
import { addConversation } from "../supabase.ts";
export const connectToGemini = async (
ws: WebSocket,
payload: IPayload,
connectionPcmFile: Deno.FsFile | null,
firstMessage: string,
systemPrompt: string,
) => {
const { user, supabase } = payload;
const { oai_voice } = user.personality ?? { oai_voice: "Sadachbia" };
console.log(`Connecting with Gemini key "${geminiApiKey.slice(0, 3)}..."`);
// Initialize Google GenAI
const ai = new GoogleGenAI({ apiKey: geminiApiKey });
const model = "gemini-2.5-flash-preview-native-audio-dialog";
const config: LiveConnectConfig = {
responseModalities: [Modality.AUDIO],
systemInstruction: systemPrompt,
speechConfig: {
voiceConfig: {
prebuiltVoiceConfig: {
voiceName: oai_voice,
},
},
},
realtimeInputConfig: {
automaticActivityDetection: {
disabled: false, // Keep VAD enabled
endOfSpeechSensitivity: EndSensitivity.END_SENSITIVITY_LOW, // How sensitive to detect speech ending
silenceDurationMs: 100, // How much silence before considering speech ended
},
},
outputAudioTranscription: {},
inputAudioTranscription: {},
};
// Response queue for handling Google's callback-based responses
const responseQueue: LiveServerMessage[] = [];
let geminiSession: Session | null = null;
async function waitMessage() {
let done = false;
let message: LiveServerMessage | undefined = undefined;
while (!done) {
message = responseQueue.shift();
if (message) {
done = true;
} else {
await new Promise((resolve) => setTimeout(resolve, 10));
}
}
return message;
}
async function handleTurn() {
const turns: any[] = [];
let done = false;
while (!done) {
const message = await waitMessage();
turns.push(message);
if (
message.serverContent
) {
if (message.serverContent.generationComplete) {
ws.send(JSON.stringify({
type: "server",
msg: "RESPONSE.CREATED",
}));
done = true;
}
// if (message.serverContent.turnComplete) {
// ws.send(
// JSON.stringify({
// type: "server",
// msg: "AUDIO.COMMITTED",
// }),
// );
// }
}
}
return turns;
}
async function processGeminiTurns() {
try {
console.log("Processing Gemini turns");
while (geminiSession) {
const turns = await handleTurn();
// Combine all audio data from this turn
const combinedAudio = turns.reduce(
(acc: number[], turn: any) => {
if (turn.data) {
const buffer = Buffer.from(turn.data, "base64");
const intArray = new Int16Array(
buffer.buffer,
buffer.byteOffset,
buffer.byteLength /
Int16Array.BYTES_PER_ELEMENT,
);
return acc.concat(Array.from(intArray));
}
return acc;
},
[],
);
if (combinedAudio.length > 0) {
// Convert back to buffer and send to client
const audioBuffer = new Int16Array(combinedAudio);
const buffer = Buffer.from(audioBuffer.buffer);
// PREVIEW AUDIO
// const wf = new WaveFile();
// wf.fromScratch(1, SAMPLE_RATE, "16", audioBuffer);
// const filename = `gemini_response_${Date.now()}.wav`;
// await Deno.writeFile(filename, wf.toBuffer());
// console.log(`Audio saved as ${filename}`);
// SEND TO ESP32
// Send audio in chunks to client
for (
let offset = 0;
offset < buffer.length;
offset += FRAME_SIZE
) {
const frame = buffer.subarray(
offset,
offset + FRAME_SIZE,
);
try {
const encodedPacket = encoder.encode(frame);
ws.send(encodedPacket);
} catch (_e) {
// Skip this frame but continue with others
}
}
}
// // Handle text responses if any
let outputTranscriptionText = "";
let inputTranscriptionText = "";
for (const turn of turns as LiveServerMessage[]) {
if (
turn.serverContent &&
turn.serverContent.outputTranscription
) {
outputTranscriptionText +=
turn.serverContent.outputTranscription.text;
}
if (
turn.serverContent &&
turn.serverContent.inputTranscription
) {
inputTranscriptionText +=
turn.serverContent.inputTranscription.text;
}
}
// Send completion signal
ws.send(JSON.stringify({
type: "server",
msg: "RESPONSE.COMPLETE",
}));
// Add user transcription to supabase
await addConversation(
supabase,
"user",
inputTranscriptionText,
user,
);
// Add assistant transcription to supabase
await addConversation(
supabase,
"assistant",
outputTranscriptionText,
user,
);
}
} catch (error) {
console.error("Error processing Gemini turns:", error);
}
}
// Connect to Google Gemini Live
try {
geminiSession = await ai.live.connect({
model: model,
callbacks: {
onopen: function () {
console.log("Gemini session opened");
},
onmessage: function (message: LiveServerMessage) {
responseQueue.push(message);
},
onerror: function (e: any) {
console.error("Gemini error:", e.message);
ws.send(
JSON.stringify({
type: "server",
msg: "RESPONSE.ERROR",
}),
);
},
onclose: function (e: any) {
console.log("Gemini session closed:", e.reason);
},
},
config: config,
});
console.log("Connected to Gemini successfully!");
// Send first message if available
const inputTurns = [{
role: "user",
parts: [{ text: firstMessage }],
}];
geminiSession?.sendClientContent({ turns: inputTurns });
processGeminiTurns();
} catch (e: unknown) {
console.log(`Error connecting to Gemini: ${e}`);
ws.close();
return;
}
ws.on("message", (data: any, isBinary: boolean) => {
try {
if (isBinary) {
// Handle binary audio data from ESP32
const base64Data = data.toString("base64");
if (isDev && connectionPcmFile) {
connectionPcmFile.write(data);
}
// Send audio to Gemini
geminiSession?.sendRealtimeInput({
audio: {
data: base64Data,
mimeType: "audio/pcm;rate=24000", // Gemini expects 16kHz but 24kHz is fine
},
});
}
} catch (e: unknown) {
console.error("Error handling message:", (e as Error).message);
}
});
ws.on("error", (error: any) => {
console.error("WebSocket error:", error);
geminiSession?.close();
});
ws.on("close", async (code: number, reason: string) => {
console.log(`WebSocket closed with code ${code}, reason: ${reason}`);
geminiSession?.close();
if (isDev && connectionPcmFile) {
connectionPcmFile.close();
console.log("Closed debug audio file.");
}
});
};

View file

@ -0,0 +1,364 @@
import { Buffer } from "node:buffer";
import type {
RawData,
WebSocket as WSWebSocket,
WebSocketServer as _WebSocketServer,
} from "npm:@types/ws";
import { RealtimeClient } from "../realtime/client.js";
import { RealtimeUtils } from "../realtime/utils.js";
import { addConversation, getDeviceInfo } from "../supabase.ts";
import { encoder, FRAME_SIZE, isDev, openaiApiKey } from "../utils.ts";
const sendFirstMessage = (client: RealtimeClient, firstMessage: string) => {
const event = {
event_id: RealtimeUtils.generateId("evt_"), // Generate unique ID
type: "conversation.item.create",
previous_item_id: "root",
item: {
type: "message",
role: "system",
content: [{
type: "input_text",
text: firstMessage,
}],
},
};
client.realtime.send(event.type, event);
client.realtime.send("response.create", {
event_id: RealtimeUtils.generateId("evt_"), // Generate unique ID
type: "response.create",
});
};
export const connectToOpenAI = async (
ws: WebSocket,
payload: IPayload,
connectionPcmFile: Deno.FsFile | null,
firstMessage: string,
systemPrompt: string,
) => {
const { user, supabase } = payload;
let currentItemId: string | null = null;
let currentCallId: string | null = null;
// Instantiate new client
console.log(`Connecting with key "${openaiApiKey.slice(0, 3)}..."`);
const client = new RealtimeClient({ apiKey: openaiApiKey });
// ADD TOOL CALLS HERE
client.addTool(
{
type: "function",
name: "end_session",
description:
'Call this if the user says bye or needs to leave or suggests they want to end the session. (e.g. "I gotta to go", "I have to work", "I have to sleep", "I have to do something else")',
parameters: {
type: "object",
strict: true,
properties: {
reason: {
type: "string",
description: "Short reason for ending the session.",
},
},
required: ["reason"],
},
},
(args: any) => {
console.log("end session", args);
// Send your custom message to the client
ws.send(JSON.stringify({ type: "server", msg: "SESSION.END" }));
// Send the function result back to OpenAI
const functionResult = {
event_id: RealtimeUtils.generateId("evt_"),
type: "conversation.item.create",
item: {
id: RealtimeUtils.generateId("item_"),
type: "function_call_output",
call_id: currentCallId,
output: JSON.stringify({
success: true,
message: `Session ended: ${args.reason}`,
}),
},
};
client.realtime.send(functionResult.type, functionResult);
// Return the result for the callback
return { success: true, message: `Session ended: ${args.reason}` };
},
);
// Relay: OpenAI Realtime API Event -> Browser Event
client.realtime.on("server.*", async (event: any) => {
// console.log(`Relaying "${event.type}" to Client`);
// Check if the event is session.created
if (event.type === "session.created") {
console.log("session created", event);
sendFirstMessage(client, firstMessage);
} else if (event.type === "session.updated") {
console.log("session updated", event);
} else if (event.type === "error") {
console.log("error", event);
} else if (event.type === "response.done") {
// Fetch the latest device info when response is complete
try {
const device = await getDeviceInfo(supabase, user.user_id);
if (device) {
// Send the updated volume data along with the response complete message
ws.send(JSON.stringify({
type: "server",
msg: "RESPONSE.COMPLETE",
volume_control: device.volume ?? 100,
}));
} else {
// Fall back to just sending the complete message if there's an error
ws.send(
JSON.stringify({
type: "server",
msg: "RESPONSE.COMPLETE",
}),
);
}
} catch (error) {
console.error("Error fetching updated device info:", error);
ws.send(
JSON.stringify({
type: "server",
msg: "RESPONSE.COMPLETE",
}),
);
}
} else if (event.type === "response.audio_transcript.done") {
console.log("response.audio_transcript.done", event);
await addConversation(
supabase,
"assistant",
event.transcript,
user,
);
} else if (event.type === "input_audio_buffer.committed") {
ws.send(JSON.stringify({ type: "server", msg: "AUDIO.COMMITTED" }));
}
if (event.type in client.conversation.EventProcessors) {
try {
switch (event.type) {
case "response.created":
console.log("response.created", event);
ws.send(
JSON.stringify({
type: "server",
msg: "RESPONSE.CREATED",
}),
);
break;
case "response.output_item.added":
console.log("response.output_item.added", event);
if (event.item.id) {
console.log("foobar", event.item.id);
currentItemId = event.item.id;
currentCallId = event.item.call_id;
}
break;
case "response.audio.delta":
{
const { delta } = client.conversation.processEvent(
event,
);
try {
if (delta?.audio?.buffer) {
const pcmBuffer = Buffer.from(
delta.audio.buffer,
);
for (
let offset = 0;
offset < pcmBuffer.length;
offset += FRAME_SIZE
) {
// Get one frame of PCM data.
const frame = pcmBuffer.subarray(
offset,
offset + FRAME_SIZE,
);
try {
const encodedPacket = encoder
.encode(frame);
ws.send(encodedPacket);
} catch (_e) {
// Skip this frame but continue with others
}
}
}
} catch (audioError) {
console.error(
"Error processing audio delta:",
audioError,
);
// Don't send any audio data if there's an error at this level
}
}
break;
case "conversation.item.created":
console.log("user said: ", event.item);
break;
case "conversation.item.input_audio_transcription.completed":
console.log("user transcription:", event);
await addConversation(
supabase,
"user",
event.transcript,
user,
);
break;
}
} catch (error) {
console.error("Error processing event:", error);
console.error("Event that caused the error:", event);
ws.send(
JSON.stringify({ type: "server", msg: "RESPONSE.ERROR" }),
);
}
}
});
client.realtime.on("close", () => ws.close());
// Relay: Browser Event -> OpenAI Realtime API Event
// We need to queue data waiting for the OpenAI connection
const messageQueue: RawData[] = [];
const messageHandler = async (data: any, isBinary: boolean) => {
try {
let event;
// for esp32
if (isBinary) {
const base64Data = data.toString("base64");
// Convert binary PCM16 data to base64 for OpenAI Realtime API
event = {
event_id: RealtimeUtils.generateId("evt_"), // Generate unique ID
type: "input_audio_buffer.append",
audio: base64Data,
};
// Write the raw PCM data to file for debugging if enabled.
// Also write the base64 data to a separate file
if (isDev) {
if (connectionPcmFile) {
await connectionPcmFile.write(data);
}
}
client.realtime.send(event.type, event);
} else { // Manual VAD
const message = JSON.parse(data.toString("utf-8"));
// commit user audio and create response
if (
message.type === "instruction" &&
message.msg === "end_of_speech"
) {
console.log("end_of_speech detected");
client.realtime.send("input_audio_buffer.commit", {
event_id: RealtimeUtils.generateId("evt_"), // Generate unique ID
type: "input_audio_buffer.commit",
});
client.realtime.send("response.create", {
event_id: RealtimeUtils.generateId("evt_"), // Generate unique ID
type: "response.create",
});
client.realtime.send("input_audio_buffer.clear", {
event_id: RealtimeUtils.generateId("evt_"), // Generate unique ID
type: "input_audio_buffer.clear",
});
} else if (
message.type === "instruction" &&
message.msg === "INTERRUPT"
) {
console.log("interrupt detected", message);
const audioEndMs = message.audio_end_ms;
client.realtime.send("conversation.item.truncate", {
event_id: RealtimeUtils.generateId("evt_"), // Generate unique ID
type: "conversation.item.truncate",
item_id: currentItemId,
content_index: 0,
audio_end_ms: audioEndMs,
});
client.realtime.send("input_audio_buffer.clear", {
event_id: RealtimeUtils.generateId("evt_"), // Generate unique ID
type: "input_audio_buffer.clear",
});
}
}
} catch (e: unknown) {
console.error((e as Error).message);
console.log(`Error parsing event from client: ${data}`);
}
};
ws.on("message", (data: any, isBinary: boolean) => {
if (!client.isConnected()) {
messageQueue.push(data);
} else {
messageHandler(data, isBinary);
}
});
// Add error handler
ws.on("error", (error: any) => {
console.error("WebSocket error:", error);
client.disconnect();
});
// Add more detailed close handling
ws.on("close", async (code: number, reason: string) => {
console.log(`WebSocket closed with code ${code}, reason: ${reason}`);
client.disconnect();
if (isDev) {
if (connectionPcmFile) {
connectionPcmFile.close();
console.log(`Closed debug audio file.`);
}
}
});
// Connect to the OpenAI Realtime API
try {
console.log(`Connecting to OpenAI...`);
const sessionOptions = {
model: "gpt-4o-mini-realtime-preview-2024-12-17",
// turn_detection: null,
turn_detection: {
type: "server_vad",
threshold: 0.4,
prefix_padding_ms: 400,
silence_duration_ms: 1000,
},
voice: user.personality?.oai_voice ?? "ash",
instructions: systemPrompt,
input_audio_transcription: { model: "whisper-1" },
};
await client.connect(sessionOptions as any);
} catch (e: unknown) {
console.log(`Error connecting to OpenAI: ${e as Error}`);
ws.close();
return;
}
console.log(`Connected to OpenAI successfully!`);
while (messageQueue.length) {
messageHandler(messageQueue.shift(), false);
}
};

View file

@ -157,7 +157,6 @@ ${chatHistory}
`;
export const createFirstMessage = (
chatHistory: IConversation[],
payload: IPayload,
): string => {
const { timestamp, user } = payload;
@ -218,21 +217,6 @@ export const addConversation = async (
}
};
export const updateUserSessionTime = async (
supabase: SupabaseClient,
user: IUser,
sessionTime: number,
): Promise<void> => {
const { error } = await supabase
.from("users")
.update({
session_time: user.session_time + sessionTime,
})
.eq("user_id", user.user_id);
if (error) throw error;
};
/**
* Get the OpenAI API Key for the user
* @param supabase - The Supabase client

View file

@ -26,21 +26,58 @@ declare global {
user_code: string;
}
type ModelProvider = "openai" | "gemini";
type GeminiVoice =
| "Zephyr"
| "Puck"
| "Charon"
| "Kore"
| "Fenrir"
| "Leda"
| "Orus"
| "Aoede"
| "Callirrhoe"
| "Autonoe"
| "Enceladus"
| "Iapetus"
| "Umbriel"
| "Algieba"
| "Despina"
| "Erinome"
| "Algenib"
| "Rasalgethi"
| "Laomedeia"
| "Achernar"
| "Alnilam"
| "Schedar"
| "Gacrux"
| "Pulcherrima"
| "Achird"
| "Zubenelgenubi"
| "Vindemiatrix"
| "Sadachbia"
| "Sadaltager"
| "Sulafat";
type OaiVoice =
| "ash"
| "alloy"
| "echo"
| "shimmer"
| "ballad"
| "coral"
| "sage"
| "verse";
interface IPersonality {
personality_id: string;
is_doctor: boolean;
is_child_voice: boolean;
is_story: boolean;
key: string;
oai_voice:
| "ash"
| "alloy"
| "echo"
| "shimmer"
| "ballad"
| "coral"
| "sage"
| "verse";
oai_voice: OaiVoice | GeminiVoice;
provider: ModelProvider;
voice_description: string;
title: string;
subtitle: string;

View file

@ -3,6 +3,33 @@ import { getUserByEmail } from "./supabase.ts";
import { SupabaseClient } from "@supabase/supabase-js";
import crypto from "node:crypto";
import { Buffer } from "node:buffer";
import { Encoder } from "@evan/opus";
export const defaultVolume = 50;
// Define your audio parameters
export const SAMPLE_RATE = 24000; // For example, 24000 Hz
const CHANNELS = 1; // Mono (set to 2 if you have stereo)
const FRAME_DURATION = 120; // Frame length in ms
const BYTES_PER_SAMPLE = 2; // 16-bit PCM: 2 bytes per sample
const FRAME_SIZE = (SAMPLE_RATE * FRAME_DURATION / 1000) * CHANNELS *
BYTES_PER_SAMPLE; // 960 bytes for 24000 Hz mono 16-bit
const encoder = new Encoder({
channels: CHANNELS,
sample_rate: SAMPLE_RATE,
application: "voip",
});
encoder.expert_frame_duration = FRAME_DURATION;
encoder.bitrate = 12000;
export const openaiApiKey = Deno.env.get("OPENAI_API_KEY");
export const geminiApiKey = Deno.env.get("GEMINI_API_KEY");
export { encoder, FRAME_SIZE };
export const isDev = Deno.env.get("DEV_MODE") === "True";
export const authenticateUser = async (
supabaseClient: SupabaseClient,

View file

@ -0,0 +1,12 @@
-- Add provider column to personalities table
ALTER TABLE personalities
ADD COLUMN provider TEXT CHECK (provider IN ('openai', 'gemini')) DEFAULT 'openai';
-- Update existing records to have a default provider
UPDATE personalities
SET provider = 'openai'
WHERE provider IS NULL;
-- Make the column NOT NULL after setting defaults
ALTER TABLE personalities
ALTER COLUMN provider SET NOT NULL;