providerOpenRouterAudioSpeech (openrouter-audio-speech/index.ts)

OpenRouter audio TTS provider that streams PCM audio and returns WAV for client use.

// Source: https://github.com/moeru-ai/airi | License: MIT | Copyright 2024-PRESENT Neko Ayaka
// Provided via justclaw.it.com; keep this notice with the code.
import { toWavFromPCM16 } from '@proj-airi/audio/encoding'
import { EventSourceParserStream } from '@xsai/shared-stream'
import { z } from 'zod'

import { defineProvider } from '../../registry'
import { OPENROUTER_ATTRIBUTION_HEADERS } from '../openrouter-ai'

const DEFAULT_BASE_URL = 'https://openrouter.ai/api/v1/'
const DEFAULT_MODEL = 'openai/gpt-audio-mini'

const openRouterAudioConfigSchema = z.object({
  apiKey: z.string(),
  baseUrl: z.string().default(DEFAULT_BASE_URL),
})

type OpenRouterAudioConfig = z.input<typeof openRouterAudioConfigSchema>

const openAIVoices = [
  'alloy',
  'ash',
  'ballad',
  'coral',
  'echo',
  '

... (truncated -- full source via MCP)