You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
101 lines
3.0 KiB
101 lines
3.0 KiB
# 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 io
|
|
import time
|
|
|
|
import paddle
|
|
|
|
from paddlespeech.cli.asr.infer import ASRExecutor
|
|
from paddlespeech.cli.log import logger
|
|
from paddlespeech.server.engine.base_engine import BaseEngine
|
|
|
|
__all__ = ['ASREngine']
|
|
|
|
|
|
class ASRServerExecutor(ASRExecutor):
|
|
def __init__(self):
|
|
super().__init__()
|
|
pass
|
|
|
|
|
|
class ASREngine(BaseEngine):
|
|
"""ASR server engine
|
|
|
|
Args:
|
|
metaclass: Defaults to Singleton.
|
|
"""
|
|
|
|
def __init__(self):
|
|
super(ASREngine, self).__init__()
|
|
|
|
def init(self, config: dict) -> bool:
|
|
"""init engine resource
|
|
|
|
Args:
|
|
config_file (str): config file
|
|
|
|
Returns:
|
|
bool: init failed or success
|
|
"""
|
|
self.input = None
|
|
self.output = None
|
|
self.executor = ASRServerExecutor()
|
|
self.config = config
|
|
try:
|
|
if self.config.device:
|
|
self.device = self.config.device
|
|
else:
|
|
self.device = paddle.get_device()
|
|
paddle.set_device(self.device)
|
|
except BaseException:
|
|
logger.error(
|
|
"Set device failed, please check if device is already used and the parameter 'device' in the yaml file"
|
|
)
|
|
|
|
self.executor._init_from_path(
|
|
self.config.model, self.config.lang, self.config.sample_rate,
|
|
self.config.cfg_path, self.config.decode_method,
|
|
self.config.ckpt_path)
|
|
|
|
logger.info("Initialize ASR server engine successfully on device: %s." %
|
|
(self.device))
|
|
return True
|
|
|
|
def run(self, audio_data):
|
|
"""engine run
|
|
|
|
Args:
|
|
audio_data (bytes): base64.b64decode
|
|
"""
|
|
if self.executor._check(
|
|
io.BytesIO(audio_data), self.config.sample_rate,
|
|
self.config.force_yes):
|
|
logger.info("start run asr engine")
|
|
self.executor.preprocess(self.config.model, io.BytesIO(audio_data))
|
|
st = time.time()
|
|
self.executor.infer(self.config.model)
|
|
infer_time = time.time() - st
|
|
self.output = self.executor.postprocess() # Retrieve result of asr.
|
|
else:
|
|
logger.info("file check failed!")
|
|
self.output = None
|
|
|
|
logger.info("inference time: {}".format(infer_time))
|
|
logger.info("asr engine type: python")
|
|
|
|
def postprocess(self):
|
|
"""postprocess
|
|
"""
|
|
return self.output
|