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type { ToolsInput } from '../agent';\nimport { MastraBase } from '../base';\n\nexport type VoiceEventType = 'speaking' | 'writing' | 'error' | string;\n\nexport interface VoiceEventMap {\n speaker: NodeJS.ReadableStream;\n speaking: { audio?: string };\n writing: { text: string; role: 'assistant' | 'user' };\n error: { message: string; code?: string; details?: unknown };\n [key: string]: unknown;\n}\n\ninterface BuiltInModelConfig {\n name: string;\n apiKey?: string;\n}\n\nexport interface VoiceConfig {\n listeningModel?: BuiltInModelConfig;\n speechModel?: BuiltInModelConfig;\n speaker?: string;\n name?: string;\n realtimeConfig?: {\n model?: string;\n apiKey?: string;\n options?: T;\n };\n}\n\nexport abstract class MastraVoice<\n TOptions = unknown,\n TSpeakOptions = unknown,\n TListenOptions = unknown,\n TTools extends ToolsInput = ToolsInput,\n TEventArgs extends VoiceEventMap = VoiceEventMap,\n TSpeakerMetadata = unknown,\n> extends MastraBase {\n protected listeningModel?: BuiltInModelConfig;\n protected speechModel?: BuiltInModelConfig;\n protected speaker?: string;\n protected realtimeConfig?: {\n model?: string;\n apiKey?: string;\n options?: TOptions;\n };\n\n constructor({ listeningModel, speechModel, speaker, realtimeConfig, name }: VoiceConfig = {}) {\n super({\n component: 'VOICE',\n name,\n });\n this.listeningModel = listeningModel;\n this.speechModel = speechModel;\n this.speaker = speaker;\n this.realtimeConfig = realtimeConfig;\n }\n\n /**\n * Convert text to speech\n * @param input Text or text stream to convert to speech\n * @param options Speech options including speaker and provider-specific options\n * @returns Audio stream\n */\n /**\n * Convert text to speech\n * @param input Text or text stream to convert to speech\n * @param options Speech options including speaker and provider-specific options\n * @returns Audio stream or void if in chat mode\n */\n abstract speak(\n input: string | NodeJS.ReadableStream,\n options?: {\n speaker?: string;\n } & TSpeakOptions,\n ): Promise;\n\n /**\n * Convert speech to text\n * @param audioStream Audio stream to transcribe\n * @param options Provider-specific transcription options\n * @returns Text or text stream\n */\n /**\n * Convert speech to text\n * @param audioStream Audio stream to transcribe\n * @param options Provider-specific transcription options\n * @returns Text, text stream, or void if in chat mode\n */\n abstract listen(\n audioStream: NodeJS.ReadableStream | unknown, // Allow other audio input types for OpenAI realtime API\n options?: TListenOptions,\n ): Promise;\n\n updateConfig(_options: Record): void {\n this.logger.debug('updateConfig not implemented by this voice provider');\n }\n\n /**\n * Initializes a WebSocket or WebRTC connection for real-time communication\n * @returns Promise that resolves when the connection is established\n */\n connect(_options?: Record): Promise {\n // Default implementation - voice providers can override if they support this feature\n this.logger.debug('connect not implemented by this voice provider');\n return Promise.resolve();\n }\n\n /**\n * Relay audio data to the voice provider for real-time processing\n * @param audioData Audio data to relay\n */\n send(_audioData: NodeJS.ReadableStream | Int16Array): Promise {\n // Default implementation - voice providers can override if they support this feature\n this.logger.debug('relay not implemented by this voice provider');\n return Promise.resolve();\n }\n\n /**\n * Trigger voice providers to respond\n */\n answer(_options?: Record): Promise {\n this.logger.debug('answer not implemented by this voice provider');\n return Promise.resolve();\n }\n\n /**\n * Equip the voice provider with instructions\n * @param instructions Instructions to add\n */\n addInstructions(_instructions?: string): void {\n // Default implementation - voice providers can override if they support this feature\n }\n\n /**\n * Equip the voice provider with tools\n * @param tools Array of tools to add\n */\n addTools(_tools: TTools): void {\n // Default implementation - voice providers can override if they support this feature\n }\n\n /**\n * Disconnect from the WebSocket or WebRTC connection\n */\n close(): void {\n // Default implementation - voice providers can override if they support this feature\n this.logger.debug('close not implemented by this voice provider');\n }\n\n /**\n * Register an event listener\n * @param event Event name (e.g., 'speaking', 'writing', 'error')\n * @param callback Callback function that receives event data\n */\n on(\n _event: E,\n _callback: (data: E extends keyof TEventArgs ? TEventArgs[E] : unknown) => void,\n ): void {\n // Default implementation - voice providers can override if they support this feature\n this.logger.debug('on not implemented by this voice provider');\n }\n\n /**\n * Remove an event listener\n * @param event Event name (e.g., 'speaking', 'writing', 'error')\n * @param callback Callback function to remove\n */\n off(\n _event: E,\n _callback: (data: E extends keyof TEventArgs ? TEventArgs[E] : unknown) => void,\n ): void {\n // Default implementation - voice providers can override if they support this feature\n this.logger.debug('off not implemented by this voice provider');\n }\n\n /**\n * Get available speakers/voices\n * @returns Array of available voice IDs and their metadata\n */\n getSpeakers(): Promise<\n Array<\n {\n voiceId: string;\n } & TSpeakerMetadata\n >\n > {\n // Default implementation - voice providers can override if they support this feature\n this.logger.debug('getSpeakers not implemented by this voice provider');\n return Promise.resolve([]);\n }\n\n /**\n * Get available speakers/voices\n * @returns Array of available voice IDs and their metadata\n */\n getListener(): Promise<{ enabled: boolean }> {\n // Default implementation - voice providers can override if they support this feature\n this.logger.debug('getListener not implemented by this voice provider');\n return Promise.resolve({ enabled: false });\n }\n}\n","import { PassThrough } from 'node:stream';\nimport { experimental_generateSpeech } from '@internal/ai-sdk-v5';\nimport type { SpeechModel } from '@internal/ai-sdk-v5';\nimport { MastraVoice } from '../voice';\n\nexport class AISDKSpeech extends MastraVoice {\n private model: SpeechModel;\n private defaultVoice?: string;\n\n constructor(model: SpeechModel, options?: { voice?: string }) {\n super({ name: 'ai-sdk-speech' });\n this.model = model;\n this.defaultVoice = options?.voice;\n }\n\n async speak(\n input: string | NodeJS.ReadableStream,\n options?: {\n speaker?: string;\n language?: string;\n providerOptions?: Record;\n abortSignal?: AbortSignal;\n headers?: Record;\n },\n ): Promise {\n // Convert stream to text if needed\n const text = typeof input === 'string' ? input : await this.streamToText(input);\n\n const result = await experimental_generateSpeech({\n model: this.model,\n text,\n voice: options?.speaker || this.defaultVoice, // Map speaker to AI SDK's voice parameter\n language: options?.language,\n providerOptions: options?.providerOptions,\n abortSignal: options?.abortSignal,\n headers: options?.headers,\n });\n\n // Convert Uint8Array to Node stream\n const stream = new PassThrough();\n stream.end(Buffer.from(result.audio.uint8Array));\n return stream;\n }\n\n async listen(): Promise {\n throw new Error('AI SDK speech models do not support transcription. Use AISDKTranscription instead.');\n }\n\n async getSpeakers() {\n // Return empty array - voice must be specified in speak() options\n return [];\n }\n\n async getListener() {\n return { enabled: false };\n }\n\n private async streamToText(stream: NodeJS.ReadableStream): Promise {\n const chunks: Buffer[] = [];\n for await (const chunk of stream) {\n chunks.push(Buffer.isBuffer(chunk) ? chunk : Buffer.from(chunk));\n }\n return Buffer.concat(chunks).toString('utf-8');\n }\n}\n","import { experimental_transcribe } from '@internal/ai-sdk-v5';\nimport type { TranscriptionModel } from '@internal/ai-sdk-v5';\nimport { MastraVoice } from '../voice';\n\nexport class AISDKTranscription extends MastraVoice {\n private model: TranscriptionModel;\n\n constructor(model: TranscriptionModel) {\n super({ name: 'ai-sdk-transcription' });\n this.model = model;\n }\n\n async speak(): Promise {\n throw new Error('AI SDK transcription models do not support text-to-speech. Use AISDKSpeech instead.');\n }\n\n async getSpeakers() {\n return [];\n }\n\n async getListener() {\n return { enabled: true };\n }\n\n /**\n * Transcribe audio to text\n * For enhanced metadata (segments, language, duration), use AI SDK's transcribe() directly\n */\n async listen(\n audioStream: NodeJS.ReadableStream,\n options?: {\n providerOptions?: Record;\n abortSignal?: AbortSignal;\n headers?: Record;\n },\n ): Promise {\n const audioBuffer = await this.convertToBuffer(audioStream);\n\n const result = await experimental_transcribe({\n model: this.model,\n audio: audioBuffer,\n providerOptions: options?.providerOptions,\n abortSignal: options?.abortSignal,\n headers: options?.headers,\n });\n\n return result.text;\n }\n\n private async convertToBuffer(audio: NodeJS.ReadableStream | Buffer | Uint8Array | string): Promise {\n if (Buffer.isBuffer(audio)) return audio;\n if (audio instanceof Uint8Array) return Buffer.from(audio);\n if (typeof audio === 'string') return Buffer.from(audio, 'base64');\n\n const chunks: Buffer[] = [];\n for await (const chunk of audio) {\n chunks.push(Buffer.isBuffer(chunk) ? chunk : Buffer.from(chunk));\n }\n return Buffer.concat(chunks);\n }\n}\n","import type { TranscriptionModel, SpeechModel } from '@internal/ai-sdk-v5';\n\nimport type { ToolsInput } from '../agent';\nimport { MastraError, ErrorDomain, ErrorCategory } from '../error';\n\nimport { AISDKSpeech } from './aisdk/speech';\nimport { AISDKTranscription } from './aisdk/transcription';\nimport { MastraVoice } from './voice';\nimport type { VoiceEventType, VoiceEventMap } from '.';\n\nconst supportedSpecificationVersions = ['v2', 'v3'];\n\n// Helper to check if something is an AI SDK model\nfunction isTranscriptionModel(obj: any): obj is TranscriptionModel {\n return (\n obj && typeof obj === 'object' && obj.modelId && supportedSpecificationVersions.includes(obj.specificationVersion)\n );\n}\n\nfunction isSpeechModel(obj: any): obj is SpeechModel {\n return (\n obj && typeof obj === 'object' && obj.modelId && supportedSpecificationVersions.includes(obj.specificationVersion)\n );\n}\n\nexport class CompositeVoice extends MastraVoice {\n protected speakProvider?: MastraVoice;\n protected listenProvider?: MastraVoice;\n protected realtimeProvider?: MastraVoice;\n\n constructor({\n input,\n output,\n realtime,\n }: {\n input?: MastraVoice | TranscriptionModel;\n output?: MastraVoice | SpeechModel;\n realtime?: MastraVoice;\n }) {\n super();\n\n // Auto-wrap AI SDK models\n if (input) {\n this.listenProvider = isTranscriptionModel(input) ? new AISDKTranscription(input) : input;\n }\n\n if (output) {\n this.speakProvider = isSpeechModel(output) ? new AISDKSpeech(output) : output;\n }\n\n this.realtimeProvider = realtime;\n }\n\n /**\n * Convert text to speech using the configured provider\n * @param input Text or text stream to convert to speech\n * @param options Speech options including speaker and provider-specific options\n * @returns Audio stream or void if in realtime mode\n */\n async speak(\n input: string | NodeJS.ReadableStream,\n options?: { speaker?: string } & any,\n ): Promise {\n if (this.realtimeProvider) {\n return this.realtimeProvider.speak(input, options);\n } else if (this.speakProvider) {\n return this.speakProvider.speak(input, options);\n }\n\n throw new MastraError({\n id: 'VOICE_COMPOSITE_NO_SPEAK_PROVIDER',\n text: 'No speak provider or realtime provider configured',\n domain: ErrorDomain.MASTRA_VOICE,\n category: ErrorCategory.USER,\n });\n }\n\n async listen(audioStream: NodeJS.ReadableStream, options?: any) {\n if (this.realtimeProvider) {\n return await this.realtimeProvider.listen(audioStream, options);\n } else if (this.listenProvider) {\n return await this.listenProvider.listen(audioStream, options);\n }\n\n throw new MastraError({\n id: 'VOICE_COMPOSITE_NO_LISTEN_PROVIDER',\n text: 'No listen provider or realtime provider configured',\n domain: ErrorDomain.MASTRA_VOICE,\n category: ErrorCategory.USER,\n });\n }\n\n async getSpeakers() {\n if (this.realtimeProvider) {\n return this.realtimeProvider.getSpeakers();\n } else if (this.speakProvider) {\n return this.speakProvider.getSpeakers();\n }\n\n throw new MastraError({\n id: 'VOICE_COMPOSITE_NO_SPEAKERS_PROVIDER',\n text: 'No speak provider or realtime provider configured',\n domain: ErrorDomain.MASTRA_VOICE,\n category: ErrorCategory.USER,\n });\n }\n\n async getListener() {\n if (this.realtimeProvider) {\n return this.realtimeProvider.getListener();\n } else if (this.listenProvider) {\n return this.listenProvider.getListener();\n }\n\n throw new MastraError({\n id: 'VOICE_COMPOSITE_NO_LISTENER_PROVIDER',\n text: 'No listener provider or realtime provider configured',\n domain: ErrorDomain.MASTRA_VOICE,\n category: ErrorCategory.USER,\n });\n }\n\n updateConfig(options: Record): void {\n if (!this.realtimeProvider) {\n return;\n }\n this.realtimeProvider.updateConfig(options);\n }\n\n /**\n * Initializes a WebSocket or WebRTC connection for real-time communication\n * @returns Promise that resolves when the connection is established\n */\n connect(options?: Record): Promise {\n if (!this.realtimeProvider) {\n throw new MastraError({\n id: 'VOICE_COMPOSITE_NO_REALTIME_PROVIDER_CONNECT',\n text: 'No realtime provider configured',\n domain: ErrorDomain.MASTRA_VOICE,\n category: ErrorCategory.USER,\n });\n }\n return this.realtimeProvider.connect(options);\n }\n\n /**\n * Relay audio data to the voice provider for real-time processing\n * @param audioData Audio data to send\n */\n send(audioData: NodeJS.ReadableStream | Int16Array): Promise {\n if (!this.realtimeProvider) {\n throw new MastraError({\n id: 'VOICE_COMPOSITE_NO_REALTIME_PROVIDER_SEND',\n text: 'No realtime provider configured',\n domain: ErrorDomain.MASTRA_VOICE,\n category: ErrorCategory.USER,\n });\n }\n return this.realtimeProvider.send(audioData);\n }\n\n /**\n * Trigger voice providers to respond\n */\n answer(options?: Record): Promise {\n if (!this.realtimeProvider) {\n throw new MastraError({\n id: 'VOICE_COMPOSITE_NO_REALTIME_PROVIDER_ANSWER',\n text: 'No realtime provider configured',\n domain: ErrorDomain.MASTRA_VOICE,\n category: ErrorCategory.USER,\n });\n }\n return this.realtimeProvider.answer(options);\n }\n\n /**\n * Equip the voice provider with instructions\n * @param instructions Instructions to add\n */\n addInstructions(instructions: string): void {\n if (!this.realtimeProvider) {\n return;\n }\n this.realtimeProvider.addInstructions(instructions);\n }\n\n /**\n * Equip the voice provider with tools\n * @param tools Array of tools to add\n */\n addTools(tools: ToolsInput): void {\n if (!this.realtimeProvider) {\n return;\n }\n this.realtimeProvider.addTools(tools);\n }\n\n /**\n * Disconnect from the WebSocket or WebRTC connection\n */\n close(): void {\n if (!this.realtimeProvider) {\n throw new MastraError({\n id: 'VOICE_COMPOSITE_NO_REALTIME_PROVIDER_CLOSE',\n text: 'No realtime provider configured',\n domain: ErrorDomain.MASTRA_VOICE,\n category: ErrorCategory.USER,\n });\n }\n this.realtimeProvider.close();\n }\n\n /**\n * Register an event listener\n * @param event Event name (e.g., 'speaking', 'writing', 'error')\n * @param callback Callback function that receives event data\n */\n on(\n event: E,\n callback: (data: E extends keyof VoiceEventMap ? VoiceEventMap[E] : unknown) => void,\n ): void {\n if (!this.realtimeProvider) {\n throw new MastraError({\n id: 'VOICE_COMPOSITE_NO_REALTIME_PROVIDER_ON',\n text: 'No realtime provider configured',\n domain: ErrorDomain.MASTRA_VOICE,\n category: ErrorCategory.USER,\n });\n }\n this.realtimeProvider.on(event, callback);\n }\n\n /**\n * Remove an event listener\n * @param event Event name (e.g., 'speaking', 'writing', 'error')\n * @param callback Callback function to remove\n */\n off(\n event: E,\n callback: (data: E extends keyof VoiceEventMap ? VoiceEventMap[E] : unknown) => void,\n ): void {\n if (!this.realtimeProvider) {\n throw new MastraError({\n id: 'VOICE_COMPOSITE_NO_REALTIME_PROVIDER_OFF',\n text: 'No realtime provider configured',\n domain: ErrorDomain.MASTRA_VOICE,\n category: ErrorCategory.USER,\n });\n }\n this.realtimeProvider.off(event, callback);\n }\n}\n","import { MastraError, ErrorDomain, ErrorCategory } from '../error';\nimport { MastraVoice } from '.';\n\nexport class DefaultVoice extends MastraVoice {\n constructor() {\n super();\n }\n\n async speak(_input: string | NodeJS.ReadableStream): Promise {\n throw new MastraError({\n id: 'VOICE_DEFAULT_NO_SPEAK_PROVIDER',\n text: 'No voice provider configured',\n domain: ErrorDomain.MASTRA_VOICE,\n category: ErrorCategory.USER,\n });\n }\n\n async listen(_input: string | NodeJS.ReadableStream): Promise {\n throw new MastraError({\n id: 'VOICE_DEFAULT_NO_LISTEN_PROVIDER',\n text: 'No voice provider configured',\n domain: ErrorDomain.MASTRA_VOICE,\n category: ErrorCategory.USER,\n });\n }\n\n async getSpeakers(): Promise<{ voiceId: string }[]> {\n throw new MastraError({\n id: 'VOICE_DEFAULT_NO_SPEAKERS_PROVIDER',\n text: 'No voice provider configured',\n domain: ErrorDomain.MASTRA_VOICE,\n category: ErrorCategory.USER,\n });\n }\n\n async getListener(): Promise<{ enabled: boolean }> {\n throw new MastraError({\n id: 'VOICE_DEFAULT_NO_LISTENER_PROVIDER',\n text: 'No voice provider configured',\n domain: ErrorDomain.MASTRA_VOICE,\n category: ErrorCategory.USER,\n });\n }\n}\n"]}