diff --git a/README.md b/README.md index 3ce9f54..1dc77a9 100644 --- a/README.md +++ b/README.md @@ -2,7 +2,7 @@ # πŸš€ 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
@@ -29,7 +29,17 @@ Realtime AI Speech powered by OpenAI Realtime API, ESP32, Secure WebSockets, and
-## ⚑️ DIY Hardware Design +## ⚑️ Realtime AI Speech Models on an ESP32 + +
+ +OpenAI Realtime API + +Gemini Live API + +
+ +## πŸ‘·β€β™€οΈ DIY Hardware Design Hardware Setup @@ -102,6 +112,7 @@ cp .env.example .env # In .env, set your environment variables # SUPABASE_KEY= # OPENAI_API_KEY= +# 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 ``` diff --git a/assets/gemini.png b/assets/gemini.png new file mode 100644 index 0000000..d8d7a9a Binary files /dev/null and b/assets/gemini.png differ diff --git a/assets/openai.png b/assets/openai.png new file mode 100644 index 0000000..b6eed74 Binary files /dev/null and b/assets/openai.png differ diff --git a/assets/pcb-design.png b/assets/pcb-design.png index d9a6db8..c196579 100644 Binary files a/assets/pcb-design.png and b/assets/pcb-design.png differ diff --git a/frontend-nextjs/app/api/session/route.ts b/frontend-nextjs/app/api/session/route.ts index f38c8e8..a6ddae5 100644 --- a/frontend-nextjs/app/api/session/route.ts +++ b/frontend-nextjs/app/api/session/route.ts @@ -167,6 +167,7 @@ export async function GET(request: NextRequest) { }), }, ); + console.log(response); const data = await response.json(); return NextResponse.json(data); } catch (error) { diff --git a/frontend-nextjs/app/components/CreateCharacter/BuildDashboard.tsx b/frontend-nextjs/app/components/CreateCharacter/BuildDashboard.tsx index 175527c..9c34ddf 100644 --- a/frontend-nextjs/app/components/CreateCharacter/BuildDashboard.tsx +++ b/frontend-nextjs/app/components/CreateCharacter/BuildDashboard.tsx @@ -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 = ({ const [isSubmitting, setIsSubmitting] = useState(false); const [formData, setFormData] = useState({ + provider: 'openai' as ModelProvider, title: '', description: '', prompt: '', @@ -63,10 +64,8 @@ const SettingsDashboard: React.FC = ({ const [touchedFields, setTouchedFields] = useState>({}); - const [formErrors, setFormErrors] = useState>>({}); - const [previewingVoice, setPreviewingVoice] = useState(null); const handleBlur = (field: keyof FormData | 'features') => { @@ -167,6 +166,7 @@ const SettingsDashboard: React.FC = ({ 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 = ({ const [audioElement, setAudioElement] = useState(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 = ({ // 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 = ({ {currentStep === 'personality' ?
{/* Voice Picker */} -
- -

- Click a voice to preview how it sounds. -

- -
- {voices.map((voice) => ( -
{ - handleInputChange('voice', voice.id); - previewVoice(voice.id); - }} - > -
-
-
- -
-
- {voice.name} - {voice.description} -
-
- - {previewingVoice === voice.id && ( -
-
- -
-
- )} -
-
- ))} -
-
+
+ +

+Click a voice to preview how it sounds. +

+ +
+{[...openaiVoices, ...geminiVoices].map((voice: VoiceType) => ( +
{ + setFormData(prev => ({ + ...prev, + provider: voice.provider as ModelProvider, + voice: voice.id + })); + previewVoice(voice); +}} +> +
+
+
+ +
+
+ {voice.name} + {voice.description} +
+ {voice.provider === 'openai' ? 'OpenAI' : 'Gemini'} +
+
+
+ + {previewingVoice === voice.id && ( +
+
+ +
+
+ )} + + {formData.voice === voice.id && ( +
+
+ +
+
+ )} +
+
+))} +
+
diff --git a/frontend-nextjs/app/components/LandingPage/VoiceSettings.tsx b/frontend-nextjs/app/components/LandingPage/VoiceSettings.tsx index 286500c..c57358b 100644 --- a/frontend-nextjs/app/components/LandingPage/VoiceSettings.tsx +++ b/frontend-nextjs/app/components/LandingPage/VoiceSettings.tsx @@ -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(null); - const [previewingVoice, setPreviewingVoice] = useState(null); + const [previewingVoice, setPreviewingVoice] = useState(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 = () => {
- {voices.map((voice) => ( + {openaiVoices.map((voice) => (
{ - previewVoice(voice.id); + previewVoice(voice.id as OaiVoice); }} >
diff --git a/frontend-nextjs/app/components/Playground/ModifyCharacterSheet.tsx b/frontend-nextjs/app/components/Playground/ModifyCharacterSheet.tsx index 0bf3ed7..d5a3545 100644 --- a/frontend-nextjs/app/components/Playground/ModifyCharacterSheet.tsx +++ b/frontend-nextjs/app/components/Playground/ModifyCharacterSheet.tsx @@ -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 = ({ />
)} -
+
+
+ + {openPersonality.provider} + +

{openPersonality.title} diff --git a/frontend-nextjs/app/components/Realtime/App.tsx b/frontend-nextjs/app/components/Realtime/App.tsx index 02df44b..1cfdf4a 100644 --- a/frontend-nextjs/app/components/Realtime/App.tsx +++ b/frontend-nextjs/app/components/Realtime/App.tsx @@ -380,6 +380,7 @@ function App({ personalityIdState, isDoctor, userId }: AppProps) { sessionStatus={sessionStatus} onToggleConnection={onToggleConnection} isDoctor={isDoctor} + personality={personality} />

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({ {isDisabled && ( -

Add an API key in Settings to chat with your AI character.

+ {personality.provider === "gemini" ?

Talk to Gemini on your Elato device.

:

Add an API key in Settings to chat with your AI character.

} )} diff --git a/frontend-nextjs/lib/data.ts b/frontend-nextjs/lib/data.ts index 665fbf0..f8f5931 100644 --- a/frontend-nextjs/lib/data.ts +++ b/frontend-nextjs/lib/data.ts @@ -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: "πŸ§‘", + provider: "openai", }, { id: "echo", @@ -52,6 +71,7 @@ export const voices = [ description: "Warm and melodic", color: "bg-purple-100", emoji: "πŸ‘©β€πŸŽ€", + provider: "openai", }, { id: "shimmer", @@ -59,6 +79,7 @@ export const voices = [ description: "Clear and bright", color: "bg-cyan-100", emoji: "πŸ‘±β€β™€οΈ", + provider: "openai", }, { id: "ash", @@ -66,6 +87,7 @@ export const voices = [ description: "Soft and thoughtful", color: "bg-gray-100", emoji: "πŸ§”", + 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: "πŸ‘©", + provider: "openai", }, { id: "sage", @@ -87,6 +111,7 @@ export const voices = [ description: "Wise and measured", color: "bg-green-100", emoji: "πŸ§“", + provider: "openai", }, { id: "verse", @@ -94,6 +119,220 @@ export const voices = [ description: "Poetic and expressive", color: "bg-rose-100", emoji: "πŸ‘¨β€πŸŽ¨", + 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", }, ]; diff --git a/frontend-nextjs/tailwind.config.ts b/frontend-nextjs/tailwind.config.ts index 1174b54..fb42b0e 100644 --- a/frontend-nextjs/tailwind.config.ts +++ b/frontend-nextjs/tailwind.config.ts @@ -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 }, diff --git a/frontend-nextjs/types/types.d.ts b/frontend-nextjs/types/types.d.ts index 7808879..f5a27f5 100644 --- a/frontend-nextjs/types/types.d.ts +++ b/frontend-nextjs/types/types.d.ts @@ -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; diff --git a/server-deno/deno.json b/server-deno/deno.json index e134e5a..13b4c3a 100644 --- a/server-deno/deno.json +++ b/server-deno/deno.json @@ -18,6 +18,9 @@ "proseWrap": "preserve" } }, + "compilerOptions": { + "lib": ["deno.window", "deno.ns"] + }, "lint": { "files": { "include": ["./**/*.ts"], diff --git a/server-deno/deno.lock b/server-deno/deno.lock index fa9c5f2..3a6b796 100644 --- a/server-deno/deno.lock +++ b/server-deno/deno.lock @@ -4,12 +4,16 @@ "jsr:@supabase/supabase-js@2": "2.48.1", "jsr:@supabase/supabase-js@^2.48.1": "2.48.1", "npm:@evan/opus@^1.0.3": "1.0.3", + "npm:@google/genai@*": "1.2.0_@modelcontextprotocol+sdk@1.12.1__express@5.1.0__zod@3.25.36_zod@3.25.36", "npm:@supabase/auth-js@2.67.3": "2.67.3", "npm:@supabase/functions-js@2.4.4": "2.4.4", "npm:@supabase/node-fetch@2.6.15": "2.6.15", "npm:@supabase/postgrest-js@1.18.1": "1.18.1", "npm:@supabase/realtime-js@2.11.2": "2.11.2", "npm:@supabase/storage-js@2.7.1": "2.7.1", + "npm:@types/node@*": "22.13.0", + "npm:@types/ws@*": "8.5.14", + "npm:wavefile@*": "11.0.0", "npm:ws@*": "8.18.0" }, "jsr": { @@ -29,6 +33,32 @@ "@evan/opus@1.0.3": { "integrity": "sha512-ADfwIad83W1LuiZDNMjDMDNQRsPz8rj5xnDLExhVWTnA5wGJCLntOn12Ir5rxGBqdfo10QhnNVdd2+gXiZ6xCg==" }, + "@google/genai@1.2.0_@modelcontextprotocol+sdk@1.12.1__express@5.1.0__zod@3.25.36_zod@3.25.36": { + "integrity": "sha512-jAYhzG7UrLJxeQr5cfL87O4AcyEu+E7AA7MJDYPrDWI3Hl25EAdx5mA4AuNfSXZO31LnSyrIkEzkmJOAdlPKOA==", + "dependencies": [ + "@modelcontextprotocol/sdk", + "google-auth-library", + "ws", + "zod", + "zod-to-json-schema" + ] + }, + "@modelcontextprotocol/sdk@1.12.1_express@5.1.0_zod@3.25.36": { + "integrity": "sha512-KG1CZhZfWg+u8pxeM/mByJDScJSrjjxLc8fwQqbsS8xCjBmQfMNEBTotYdNanKekepnfRI85GtgQlctLFpcYPw==", + "dependencies": [ + "ajv", + "content-type", + "cors", + "cross-spawn", + "eventsource", + "express", + "express-rate-limit", + "pkce-challenge", + "raw-body", + "zod", + "zod-to-json-schema" + ] + }, "@supabase/auth-js@2.67.3": { "integrity": 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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 doesn’t 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: ${provider}`); } }); @@ -468,7 +102,6 @@ server.on("upgrade", async (req, socket, head) => { supabase = getSupabaseClient(authToken as string); user = await authenticateUser(supabase, authToken as string); - console.log(user.email); } catch (_e: any) { socket.write("HTTP/1.1 401 Unauthorized\r\n\r\n"); socket.destroy(); diff --git a/server-deno/models/gemini.ts b/server-deno/models/gemini.ts new file mode 100644 index 0000000..c38ebac --- /dev/null +++ b/server-deno/models/gemini.ts @@ -0,0 +1,281 @@ +import { Buffer } from "node:buffer"; +import type { WebSocketServer as _WebSocketServer } from "npm:@types/ws"; +import { + EndSensitivity, + GoogleGenAI, + LiveConnectConfig, + LiveServerMessage, + Modality, + Session, +} from "npm:@google/genai"; +import { encoder, FRAME_SIZE, geminiApiKey, isDev } from "../utils.ts"; +import { addConversation } from "../supabase.ts"; + +export const connectToGemini = async ( + ws: WebSocket, + payload: IPayload, + connectionPcmFile: Deno.FsFile | null, + firstMessage: string, + systemPrompt: string, +) => { + const { user, supabase } = payload; + const { oai_voice } = user.personality ?? { oai_voice: "Sadachbia" }; + + console.log(`Connecting with Gemini key "${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: ${reason}`); + geminiSession?.close(); + if (isDev && connectionPcmFile) { + connectionPcmFile.close(); + console.log("Closed debug audio file."); + } + }); +}; diff --git a/server-deno/models/openai.ts b/server-deno/models/openai.ts new file mode 100644 index 0000000..cbc1664 --- /dev/null +++ b/server-deno/models/openai.ts @@ -0,0 +1,364 @@ +import { Buffer } from "node:buffer"; +import type { + RawData, + WebSocket as WSWebSocket, + WebSocketServer as _WebSocketServer, +} from "npm:@types/ws"; + +import { RealtimeClient } from "../realtime/client.js"; +import { RealtimeUtils } from "../realtime/utils.js"; +import { addConversation, getDeviceInfo } from "../supabase.ts"; +import { encoder, FRAME_SIZE, isDev, openaiApiKey } from "../utils.ts"; + +const sendFirstMessage = (client: RealtimeClient, firstMessage: string) => { + const event = { + event_id: RealtimeUtils.generateId("evt_"), // Generate unique ID + type: "conversation.item.create", + previous_item_id: "root", + item: { + type: "message", + role: "system", + content: [{ + type: "input_text", + text: firstMessage, + }], + }, + }; + + client.realtime.send(event.type, event); + client.realtime.send("response.create", { + event_id: RealtimeUtils.generateId("evt_"), // Generate unique ID + type: "response.create", + }); +}; + +export const connectToOpenAI = async ( + ws: WebSocket, + payload: IPayload, + connectionPcmFile: Deno.FsFile | null, + firstMessage: string, + systemPrompt: string, +) => { + const { user, supabase } = payload; + + let currentItemId: string | null = null; + let currentCallId: string | null = null; + + // Instantiate new client + console.log(`Connecting with key "${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); + } +}; diff --git a/server-deno/supabase.ts b/server-deno/supabase.ts index 1897f2c..751de52 100644 --- a/server-deno/supabase.ts +++ b/server-deno/supabase.ts @@ -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 => { - 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 diff --git a/server-deno/types.d.ts b/server-deno/types.d.ts index 392de57..d30c94d 100644 --- a/server-deno/types.d.ts +++ b/server-deno/types.d.ts @@ -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; diff --git a/server-deno/utils.ts b/server-deno/utils.ts index 03ee3ba..d8a0fa1 100644 --- a/server-deno/utils.ts +++ b/server-deno/utils.ts @@ -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, diff --git a/supabase/migrations/20250611011151_add_provider.sql b/supabase/migrations/20250611011151_add_provider.sql new file mode 100644 index 0000000..d3f8378 --- /dev/null +++ b/supabase/migrations/20250611011151_add_provider.sql @@ -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; \ No newline at end of file