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- """
- baidu voice service
- """
- import json
- import os
- import time
-
- from aip import AipSpeech
-
- from bridge.reply import Reply, ReplyType
- from common.log import logger
- from common.tmp_dir import TmpDir
- from config import conf
- from voice.audio_convert import get_pcm_from_wav
- from voice.voice import Voice
-
- """
- 百度的语音识别API.
- dev_pid:
- - 1936: 普通话远场
- - 1536：普通话(支持简单的英文识别)
- - 1537：普通话(纯中文识别)
- - 1737：英语
- - 1637：粤语
- - 1837：四川话
- 要使用本模块, 首先到 yuyin.baidu.com 注册一个开发者账号,
- 之后创建一个新应用, 然后在应用管理的"查看key"中获得 API Key 和 Secret Key
- 然后在 config.json 中填入这两个值, 以及 app_id, dev_pid
- """
-
-
- class BaiduVoice(Voice):
- def __init__(self):
- try:
- curdir = os.path.dirname(__file__)
- config_path = os.path.join(curdir, "config.json")
- bconf = None
- if not os.path.exists(config_path): # 如果没有配置文件，创建本地配置文件
- bconf = {"lang": "zh", "ctp": 1, "spd": 5, "pit": 5, "vol": 5, "per": 0}
- with open(config_path, "w") as fw:
- json.dump(bconf, fw, indent=4)
- else:
- with open(config_path, "r") as fr:
- bconf = json.load(fr)
-
- self.app_id = str(conf().get("baidu_app_id"))
- self.api_key = str(conf().get("baidu_api_key"))
- self.secret_key = str(conf().get("baidu_secret_key"))
- self.dev_id = conf().get("baidu_dev_pid")
- self.lang = bconf["lang"]
- self.ctp = bconf["ctp"]
- self.spd = bconf["spd"]
- self.pit = bconf["pit"]
- self.vol = bconf["vol"]
- self.per = bconf["per"]
-
- self.client = AipSpeech(self.app_id, self.api_key, self.secret_key)
- except Exception as e:
- logger.warn("BaiduVoice init failed: %s, ignore " % e)
-
- def voiceToText(self, voice_file):
- # 识别本地文件
- logger.debug("[Baidu] voice file name={}".format(voice_file))
- pcm = get_pcm_from_wav(voice_file)
- res = self.client.asr(pcm, "pcm", 8000, {"dev_pid": self.dev_id})
- if res["err_no"] == 0:
- logger.info("百度语音识别到了：{}".format(res["result"]))
- text = "".join(res["result"])
- reply = Reply(ReplyType.TEXT, text)
- else:
- logger.info("百度语音识别出错了: {}".format(res["err_msg"]))
- if res["err_msg"] == "request pv too much":
- logger.info(" 出现这个原因很可能是你的百度语音服务调用量超出限制，或未开通付费")
- reply = Reply(ReplyType.ERROR, "百度语音识别出错了；{0}".format(res["err_msg"]))
- return reply
-
- def textToVoice(self, text):
- result = self.client.synthesis(
- text,
- self.lang,
- self.ctp,
- {"spd": self.spd, "pit": self.pit, "vol": self.vol, "per": self.per},
- )
- if not isinstance(result, dict):
- # Avoid the same filename under multithreading
- fileName = TmpDir().path() + "reply-" + str(int(time.time())) + "-" + str(hash(text) & 0x7FFFFFFF) + ".mp3"
- with open(fileName, "wb") as f:
- f.write(result)
- logger.info("[Baidu] textToVoice text={} voice file name={}".format(text, fileName))
- reply = Reply(ReplyType.VOICE, fileName)
- else:
- logger.error("[Baidu] textToVoice error={}".format(result))
- reply = Reply(ReplyType.ERROR, "抱歉，语音合成失败")
- return reply
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