import os
import requests
async def generate_google_audio(
text: str,
language: str = "cmn-cn",
voice: str = "cmn-CN-Chirp3-HD-Achernar",
) -> dict:
"""Generate audio file from text using Google Cloud Chirp TTS API and return base64 encoded audio data."""
# Get Google Cloud API key from environment variable
api_key = os.getenv("GOOGLE_CLOUD_API_KEY")
if not api_key:
return {
"error": "Google Cloud API key not found. Please set GOOGLE_CLOUD_API_KEY environment variable.",
"success": False,
"setup_instructions": "Run: export GOOGLE_CLOUD_API_KEY='your-api-key-here'",
}
try:
# Google Cloud TTS API call with API key as query parameter
data = {
"input": {"text": text},
"voice": {"languageCode": language, "name": voice},
"audioConfig": {"audioEncoding": "MP3"},
}
response = requests.post(
f"https://texttospeech.googleapis.com/v1/text:synthesize?key={api_key}",
headers={"Content-Type": "application/json"},
json=data,
)
if response.status_code != 200:
return {
"error": f"Google Cloud TTS API error: {response.status_code} - {response.text}",
"success": False,
}
result = response.json()
audio_base64 = result["audioContent"]
return {
"success": True,
"audio_base64": audio_base64,
"format": "mp3",
"language": language,
"voice": voice,
"text": text,
"model": "chirp",
}
except Exception as e:
return {"error": f"Failed to generate audio: {str(e)}", "success": False}
