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tencentApiClass.py
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#!/usr/bin/python3
# -*- coding: UTF-8 -*-
import configparser
# 导入腾讯的pythonSDK GitHub：https://github.com/TencentCloud/tencentcloud-sdk-python
from tencentcloud.common import credential
from tencentcloud.common.profile.client_profile import ClientProfile
from tencentcloud.common.profile.http_profile import HttpProfile
from tencentcloud.common.exception.tencent_cloud_sdk_exception import TencentCloudSDKException
from tencentcloud.tts.v20190823 import tts_client, models
import uuid
import base64
from pydub import AudioSegment
import time
# 封装腾讯语音合成接口类
class TencentApi(object):
def __init__(self):
msg = self.__setApiInfo()
if (msg != 0):
print(msg)
# 设置并返回正确时间的音频流 这会导致重复请求多次
# keepTime 音频持续时间
def getStream(self, text, keepTime, voiceType='0'):
# 上一个的长度
beforeLen = 0
# 上一个的流
beforeStream = 0
# 最慢
left = -20
# 最快
right = 20
# 音频流
stream=0
# 二分搜索 找到最靠近srt文件所指的长度，且小于srt文件所指的长度 这可能会导致一句话被多次请求 预计最多6次能够找到
while left < right:
# 设置中间值
middle = int((left + right) / 2)
# 获取音频流
stream = self.synthesis(text, voiceType, str(middle / 10))
# 当前流的长度
curLen = self.audioLen(stream)
# 当前流对应所需时间,直接返回
if curLen == keepTime:
return stream
# 找到最小值
elif right - left == 1 and curLen < keepTime and curLen < beforeLen:
return beforeStream
elif curLen < keepTime:
beforeLen = curLen
beforeStream = stream
right = middle - 1
elif curLen > keepTime:
beforeLen = curLen
beforeStream = stream
left = middle + 1
time.sleep(0.5)
# 这表明最快速度也大于srt的时间
return stream
# 返回音频的长度
# stream 音频流
def audioLen(self, stream):
sound = AudioSegment(
# raw audio data (bytes) 二进制数据流
data=stream,
# 采样位数 2 byte (16 bit) samples 通常有8bit、16bit、24bit和32bit等几种
sample_width=2,
# 44.1 kHz frame rate 采样率
frame_rate=16000,
# 声道 stereo 1 单声道
channels=1
)
return len(sound)
# 腾讯tts请求的参数设置
# Text 需要转换成语音的文本 中文最大支持100个汉字（全角标点符号算一个汉字）
# VoiceType 声音的类型 包括
# 0-云小宁，亲和女声(默认)
# 1-云小奇，亲和男声
# 2-云小晚，成熟男声
# 4-云小叶，温暖女声
# 5-云小欣，情感女声
# 6-云小龙，情感男声
# 1000-智侠、情感男声（新）
# 1001-智瑜，情感女声（新）
# 1002-智聆，通用女声（新）
# 1003-智美，客服女声（新）
# 1050-WeJack，英文男声（新）
# 1051-WeRose，英文女声（新）
# speend 用于控制播放速度
def synthesis(self, text, voiceType='0', speed='0'):
try:
# 获取腾讯云凭证
cred = credential.Credential(self.__secretId, self.__secretKey)
# 请求的配置
httpProfile = HttpProfile()
# 请求访问的域名
httpProfile.endpoint = "tts.tencentcloudapi.com"
# sdk的配置
clientProfile = ClientProfile()
# 设置sdk的请求配置
clientProfile.httpProfile = httpProfile
# 腾讯tts句柄
# "ap-guangzhou" 该值可能为请求的服务器位置，这里为广州，可登录腾讯云控制台查看：https://console.cloud.tencent.com/api/explorer?Product=tts
client = tts_client.TtsClient(cred, "ap-guangzhou", clientProfile)
# 腾讯tts请求参数结构体
req = models.TextToVoiceRequest()
params = '{"Text":"' + text + '","VoiceType":"' + voiceType + '","SessionId":"' + str(
uuid.uuid4()) + '","ModelType":1,"Speed":' + speed + ',"SampleRate":16000,"Codec":"wav","Volume":0}'
req.from_json_string(params)
# 生成base64语音
resp = client.TextToVoice(req)
# 将base64的字符转换成二进制流
return base64.b64decode(resp.Audio)
except TencentCloudSDKException as err:
print(err)
# env.ini信息
def __setApiInfo(self):
msg = 0
# 读取配置文件
config = configparser.ConfigParser()
if len(config.read("./env.ini")) == 0:
msg = '没有配置文件'
else:
# 以下信息需要百度智能云生成应用时获得
if 'Tencent_API' in config:
if ('AppId' in config['Tencent_API']):
self.__appId = config['Tencent_API']['AppId'].strip()
if (self.__appId == ''):
msg = 'AppId字段是空的'
else:
msg = 0
else:
msg = 'AppId字段不存在'
if ('SecretId' in config['Tencent_API']):
self.__secretId = config['Tencent_API']['SecretId'].strip()
if (self.__secretId == ''):
msg = 'SecretId字段是空的'
else:
msg = 0
else:
msg = 'SecretId字段不存在'
if ('SecretKey' in config['Tencent_API']):
self.__secretKey = config['Tencent_API']['SecretKey'].strip()
if (self.__secretKey == ''):
msg = 'SecretKey字段是空的'
else:
msg = 0
else:
msg = 'SecretKey字段不存在'
else:
msg = '请按照要求配置好env.ini文件'
return msg
def __del__(self):
print('腾讯语音合成类使命完成')