scbc_repos/ssat_sdk/service/sound_service.py

# -*- coding:utf-8 -*-
import os
import sys
import time
# from device_manager import *
from ssat_sdk.utils import LoggingUtil
from ssat_sdk.device_manage import AudioCapture


class SoundCollectionService():
    # 设备是否已打开,成功为0;
    IsOpen = -1
    Service_Name = "sound_collection"

    # 初始化
    def __init__(self):
        self.status = 0

    # 初始化
    def initSoundCollection(self):
        if SoundCollectionService.IsOpen <> 0:
            SoundCollectionService.IsOpen = AudioCapture.Initialize()

        if SoundCollectionService.IsOpen <> 0:
            LoggingUtil.printLog(u"打开声音采集器失败")
            self.status = 0
            # return 0,u"打开声音采集器失败"
        else:
            LoggingUtil.printLog(u"打开声音采集器成功")
            self.status = 1
            # return 1,""

    # 是否静音（开始通道、采集时长、静音电压）
    def IsMute(self, collectionTime, muteVoltage):
        if SoundCollectionService.IsOpen <> 0:
            SoundCollectionService.IsOpen = AudioCapture.Initialize()

        percentMute = 0.0
        if SoundCollectionService.IsOpen <> 0:
            LoggingUtil.printLog(u"声音采集器未打开")
        else:
            percentMute = AudioCapture.IsMute(
                0, collectionTime, muteVoltage)
        # 返回静音百分比;
        return percentMute

    # 检测声音是否有中断;
    def IsInterrupt(self, collectionTime, muteVoltage, interruptTime):
        if SoundCollectionService.IsOpen <> 0:
            SoundCollectionService.IsOpen = AudioCapture.Initialize()

        isInterrupt = False
        if SoundCollectionService.IsOpen <> 0:
            LoggingUtil.printLog(u"声音采集器未打开")
        else:
            isInterrupt = AudioCapture.IsInterrupt(
                0, collectionTime, muteVoltage, interruptTime)
        # 返回静音百分比;
        return isInterrupt

    # 检测左右声道是否正常;
    def SoundTrackDetection(self, collectionTime, muteVoltage, interruptTime):
        if SoundCollectionService.IsOpen <> 0:
            SoundCollectionService.IsOpen = AudioCapture.Initialize()

        nResult = 0
        if SoundCollectionService.IsOpen <> 0:
            LoggingUtil.printLog(u"声音采集器未打开")
        else:
            nResult = AudioCapture.SoundTrackDetection(
                0, collectionTime, muteVoltage, interruptTime)
        # 返回静音百分比;
        return nResult

    # 退出初始化环境
    def __def__(self):
        if SoundCollectionService.IsOpen == 0:
            SoundCollectionService.IsOpen = AudioCapture.ExitInitialize()


# 测试用例
if __name__ == "__main__":
    # 原接口调用测试
    if 0:
        result = AudioCapture.Initialize()
        if result == 0:
            print u"初始化成功"
        else:
            print u"初始化失败"

        if result == 0:
            print u"\n#是否静音->"
            time.sleep(1)
            percentMute = AudioCapture.IsMute( 0, 8000, 1.0)
            print u"静音百分比：", percentMute

            time.sleep(2)
            print u"\n#是否有停顿->"
            time.sleep(1)
            bInterrupt = AudioCapture.IsInterrupt(0, 8000, 1.0, 400)
            if bInterrupt == True:
                print u"有停顿"
            else:
                print u"无停顿"

    # 类接口调用;
    if 1:
        soundcollection = SoundCollectionService()
        soundcollection.initSoundCollection()
        if SoundCollectionService.IsOpen == 0:
            # 静音测试
            if 1:
                print u"\n#是否静音->"
                time.sleep(1)
                percentMute = soundcollection.IsMute( 8000, 1.0)
                print u"静音百分比：", percentMute

            # 停顿测试
            if 1:
                time.sleep(2)
                print u"\n#是否有停顿->"
                time.sleep(1)
                bInterrupt = soundcollection.IsInterrupt( 5000, 1.0, 400)
                if bInterrupt == True:
                    print u"有停顿"
                else:
                    print u"无停顿"

            # 声道检测
            if 1:
                print u"\n#声道检测"
                nRet = soundcollection.SoundTrackDetection( 8000, 1.0, 400)
                if nRet == 0:
                    print u"声道正常"
                elif nRet == 1:
                    print u"采集失败"
                elif nRet == -1:
                    print u"左右声道完全无音"
                elif nRet == -2:
                    print u"左声道无音"
                elif nRet == -3:
                    print u"右声道无音"
                elif nRet == -4:
                    print u"左声道停顿"
                elif nRet == -5:
                    print u"右声道停顿"
                elif nRet == -6:
                    print u"左右声道都停顿"