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https://github.com/HaujetZhao/CapsWriter.git
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115 lines
3.4 KiB
Python
115 lines
3.4 KiB
Python
# -*- coding: utf-8 -*-
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"""
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* Copyright 2015 Alibaba Group Holding Limited
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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"""
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import os
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import time
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import threading
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import ali_speech
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from ali_speech.callbacks import SpeechRecognizerCallback
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from ali_speech.constant import ASRFormat
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from ali_speech.constant import ASRSampleRate
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class MyCallback(SpeechRecognizerCallback):
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"""
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构造函数的参数没有要求，可根据需要设置添加
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示例中的name参数可作为待识别的音频文件名，用于在多线程中进行区分
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"""
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def __init__(self, name='default'):
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self._name = name
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def on_started(self, message):
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print('MyCallback.OnRecognitionStarted: %s' % message)
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def on_result_changed(self, message):
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print('MyCallback.OnRecognitionResultChanged: file: %s, task_id: %s, result: %s' % (
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self._name, message['header']['task_id'], message['payload']['result']))
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def on_completed(self, message):
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print('MyCallback.OnRecognitionCompleted: file: %s, task_id:%s, result:%s' % (
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self._name, message['header']['task_id'], message['payload']['result']))
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def on_task_failed(self, message):
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print('MyCallback.OnRecognitionTaskFailed: %s' % message)
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def on_channel_closed(self):
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print('MyCallback.OnRecognitionChannelClosed')
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def process(client, appkey, token):
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audio_name = 'nls-sample-16k.wav'
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callback = MyCallback(audio_name)
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recognizer = client.create_recognizer(callback)
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recognizer.set_appkey(appkey)
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recognizer.set_token(token)
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recognizer.set_format(ASRFormat.PCM)
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recognizer.set_sample_rate(ASRSampleRate.SAMPLE_RATE_16K)
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recognizer.set_enable_intermediate_result(False)
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recognizer.set_enable_punctuation_prediction(True)
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recognizer.set_enable_inverse_text_normalization(True)
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try:
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ret = recognizer.start()
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if ret < 0:
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return ret
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print('sending audio...')
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with open(audio_name, 'rb') as f:
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audio = f.read(3200)
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while audio:
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ret = recognizer.send(audio)
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if ret < 0:
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break
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time.sleep(0.1)
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audio = f.read(3200)
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recognizer.stop()
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except Exception as e:
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print(e)
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finally:
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recognizer.close()
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def process_multithread(client, appkey, token, number):
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thread_list = []
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for i in range(0, number):
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thread = threading.Thread(target=process, args=(client, appkey, token))
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thread_list.append(thread)
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thread.start()
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for thread in thread_list:
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thread.join()
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if __name__ == "__main__":
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client = ali_speech.NlsClient()
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# 设置输出日志信息的级别：DEBUG、INFO、WARNING、ERROR
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client.set_log_level('INFO')
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appkey = '您的appkey'
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token = '您的Token'
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process(client, appkey, token)
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# 多线程示例
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# process_multithread(client, appkey, token, 10)
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