tacotron2/taco2/server/backend.py

46 lines
1.6 KiB
Python

import os
from google.cloud import texttospeech
from ..tts import TTSModel
tts_model_weights = os.environ.get(
"TTS_MODELS", "models/tacotron2_statedict.pt,models/waveglow_256channels.pt"
)
tts_creds = os.environ.get(
"GOOGLE_APPLICATION_CREDENTIALS", "/code/config/gre2e/keys/gre2e_gcp.json"
)
taco2, wav_glow = tts_model_weights.split(",", 1)
class TTSSynthesizer(object):
"""docstring for TTSSynthesizer."""
def __init__(self, backend="taco2"):
super(TTSSynthesizer, self).__init__()
if backend == "taco2":
tts_model = TTSModel(f"{taco2}", f"{wav_glow}") # Loads the models
self.synth_speech = tts_model.synth_speech
elif backend == "gcp":
client = texttospeech.TextToSpeechClient()
# Build the voice request, select the language code ("en-US") and the ssml
# voice gender ("neutral")
voice = texttospeech.types.VoiceSelectionParams(language_code="en-US")
# Select the type of audio file you want returned
audio_config = texttospeech.types.AudioConfig(
audio_encoding=texttospeech.enums.AudioEncoding.LINEAR16
)
# Perform the text-to-speech request on the text input with the selected
# voice parameters and audio file type
def gcp_synthesize(speech_text):
synthesis_input = texttospeech.types.SynthesisInput(text=speech_text)
response = client.synthesize_speech(
synthesis_input, voice, audio_config
)
return response.audio_content
self.synth_speech = gcp_synthesize