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PaddleSpeech/paddlespeech/server/restful/tts_api.py

109 lines
3.2 KiB

3 years ago
# Copyright (c) 2022 PaddlePaddle Authors. All Rights Reserved.
#
# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
# You may obtain a copy of the License at
#
# http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS,
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
# See the License for the specific language governing permissions and
# limitations under the License.
import traceback
from typing import Union
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from fastapi import APIRouter
from paddlespeech.server.engine.tts.paddleinference.tts_engine import TTSEngine
from paddlespeech.server.restful.request import TTSRequest
from paddlespeech.server.restful.response import ErrorResponse
from paddlespeech.server.restful.response import TTSResponse
from paddlespeech.server.utils.errors import ErrorCode
from paddlespeech.server.utils.errors import failed_response
from paddlespeech.server.utils.exception import ServerBaseException
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router = APIRouter()
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@router.get('/paddlespeech/tts/help')
def help():
"""help
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Returns:
json: [description]
"""
response = {
"success": "True",
"code": 200,
"message": {
"global": "success"
},
"result": {
"description": "tts server",
"text": "sentence to be synthesized",
"audio": "the base64 of audio"
}
}
return response
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@router.post(
"/paddlespeech/tts", response_model=Union[TTSResponse, ErrorResponse])
def tts(request_body: TTSRequest):
"""tts api
Args:
request_body (TTSRequest): [description]
Returns:
json: [description]
"""
# json to dict
item_dict = request_body.dict()
sentence = item_dict['text']
spk_id = item_dict['spk_id']
speed = item_dict['speed']
volume = item_dict['volume']
sample_rate = item_dict['sample_rate']
save_path = item_dict['save_path']
# Check parameters
if speed <=0 or speed > 3 or volume <=0 or volume > 3 or \
sample_rate not in [0, 16000, 8000] or \
(save_path is not None and not save_path.endswith("pcm") and not save_path.endswith("wav")):
return failed_response(ErrorCode.SERVER_PARAM_ERR)
# single
tts_engine = TTSEngine()
# run
try:
lang, target_sample_rate, wav_base64 = tts_engine.run(
sentence, spk_id, speed, volume, sample_rate, save_path)
response = {
"success": True,
"code": 200,
"message": {
"description": "success."
},
"result": {
"lang": lang,
"spk_id": spk_id,
"speed": speed,
"volume": volume,
"sample_rate": target_sample_rate,
"save_path": save_path,
"audio": wav_base64
}
}
except ServerBaseException as e:
response = failed_response(e.error_code, e.msg)
except:
response = failed_response(ErrorCode.SERVER_UNKOWN_ERR)
traceback.print_exc()
return response