wxpython多线程通信的应用-实现边录音边绘制音谱图

#!bin/bash/python
# -*- coding=utf-8 -*-
from __future__ import division

import threading
import wx
import wx.media
import os.path, os, gc, sys, pyaudio
import wave, numpy, codecs, time
import pylab as pl
import pyaudio
#import win32gui
from matplotlib.ticker import MultipleLocator, FormatStrFormatter
import sys
from wx.lib.pubsub import pub

reload(sys)

wavCount = 1
input_filename = "input.wav"               # 麦克风采集的语音输入
input_filepath = "./"                      # 输入文件的path
in_path = input_filepath + input_filename
global_frames = []
xmajorLocator   = MultipleLocator(0.5)        # 将x主刻度标签设置为0.5的倍数
xmajorFormatter = FormatStrFormatter('%1.1f') # 设置x轴标签文本的格式
xminorLocator   = MultipleLocator(0.05)       # 将x轴次刻度标签设置为0.05的倍数

class MyFrame(wx.Frame):
    #初始化全部界面
    def __init__(self, wavlist, recList):
        self.wavTime = 0.000
        self.wavLength = 0.000
        self.labelcount = 0
        self.choosenItem = 0
        self.labelPosition = 0
        self.cutCount = 1
        self.wavList = []
        self.recList = []
        self.labellist = []
        self.labelPos = []
        self.tempwavlist = []
        self.wavList = wavlist
        self.recList = recList
        # self.wavfilepath = wavlist[0][1]
        # self.recTextStr = recList[0][1]
        self.wavfilepath = wavlist[0]
        self.recTextStr = recList[0]
        print ("wav:", self.wavfilepath)
        print ("rec:", self.recTextStr)
        wx.Frame.__init__(self,None,size=(1920,1080))

        self.sp=wx.SplitterWindow(self,style=wx.SP_3D)
        self.mainPanel=wx.Panel(self.sp)
        self.listPanel=wx.Panel(self.sp)
        self.sp2=wx.SplitterWindow(self.mainPanel)
        self.annoPanel=wx.Panel(self.sp2)
        self.subPanel=wx.Panel(self.sp2)
        self.box=wx.BoxSizer(wx.VERTICAL)
        self.box.Add(self.sp2,1,wx.EXPAND)
        self.sp3=wx.SplitterWindow(self.subPanel)
        self.cutPanel=wx.Panel(self.sp3)
        self.statisticPanel=wx.Panel(self.sp3)
        self.box2=wx.BoxSizer(wx.VERTICAL)
        self.box2.Add(self.sp3,1,wx.EXPAND)
        self.sp4=wx.SplitterWindow(self.statisticPanel)
        self.wavPanel=wx.Panel(self.sp4)
        # upgrade
        # self.upwavPanel=wx.Panel(self.sp4)
        self.infoPanel=wx.Panel(self.sp4)
        self.box3=wx.BoxSizer(wx.VERTICAL)
        self.box3.Add(self.sp4,1,wx.EXPAND)
        self.sp5=wx.SplitterWindow(self.infoPanel)
        self.labelPanel=wx.Panel(self.sp5)
        self.aaaPanel=wx.Panel(self.sp5)
        self.box4=wx.BoxSizer(wx.VERTICAL)
        self.box4.Add(self.sp5,1,wx.EXPAND)
        self.sp6=wx.SplitterWindow(self.aaaPanel)
        self.bbbPanel=wx.Panel(self.sp6)
        self.cccPanel=wx.Panel(self.sp6)
        self.box5=wx.BoxSizer(wx.VERTICAL)
        self.box5.Add(self.sp6,1,wx.EXPAND)
        self.mainPanel.SetSizer(self.box)
        self.subPanel.SetSizer(self.box2)
        self.statisticPanel.SetSizer(self.box3)
        self.infoPanel.SetSizer(self.box4)
        self.aaaPanel.SetSizer(self.box5)
        self.cutPanel.SetBackgroundColour("white")
        self.bbbPanel.SetBackgroundColour("white")
        self.cccPanel.SetBackgroundColour("white")
        print ("debug: wavfilepath:", self.wavfilepath)
        self.drawBackJpg(str(self.wavfilepath))

        # 创建布局
        self.CreateListUI(wavlist)
        self.CreateMainUI(recList)
        self.CreateWavUI()
        self.CreateLabelListUI()

        # 布局
        self.sp.SplitVertically(self.listPanel,self.mainPanel,150)
        self.sp2.SplitHorizontally(self.annoPanel,self.subPanel,300)
        self.sp3.SplitHorizontally(self.cutPanel,self.statisticPanel,110)
        self.sp4.SplitHorizontally(self.wavPanel,self.infoPanel,280)
        self.sp5.SplitHorizontally(self.labelPanel,self.aaaPanel,100)
        self.sp6.SplitVertically(self.bbbPanel,self.cccPanel,820)
        self.Bind(wx.EVT_LIST_ITEM_SELECTED,self.OnListBox,self.list)
        self.wavPanel.Bind(wx.EVT_PAINT, self.OnPaint)
        self.wavPanel.Bind(wx.EVT_ERASE_BACKGROUND,self.OnErasePass)
        self.wavPanel.Bind(wx.EVT_MOTION,self.OnMove)
        self.wavPanel.Bind(wx.EVT_LEFT_DOWN,self.OnLeftDown)
        self.wavPanel.Bind(wx.EVT_LEFT_UP,self.OnDrawRec)
        # self.upwavPanel.Bind(wx.EVT_PAINT, self.OnPaint)
        # self.upwavPanel.Bind(wx.EVT_ERASE_BACKGROUND,self.OnErasePass)
        # self.upwavPanel.Bind(wx.EVT_MOTION,self.OnMove)
        # self.upwavPanel.Bind(wx.EVT_LEFT_DOWN,self.OnLeftDown)
        # self.upwavPanel.Bind(wx.EVT_LEFT_UP,self.OnDrawRec)
        self.labelPanel.Bind(wx.EVT_MOTION,self.OnLabelMove)
        self.labelPanel.Bind(wx.EVT_LEFT_UP,self.OnLabelDrawLine)
        self.labelPanel.Bind(wx.EVT_PAINT,self.OnLabelPaint)
        self.labelPanel.Bind(wx.EVT_ERASE_BACKGROUND,self.OnErasePass)

    #左侧列表的点击事件
    def OnListBox(self,event):
        # self.sp.Unsplit()
        if self.timer:
            self.timer.Stop()
            # del self.timer
        self.cutCount=1

        #获取点击对象
        index = event.GetIndex()
        self.choosenItem = index
        data = self.list.GetItem(index,0)
        tuple_temp = self.wavList[int(data.GetText())-1]
        # self.wavfilepath = tuple_temp[1]
        # self.recTextStr = self.recList[int(data.GetText())-1][1]
        self.wavfilepath = self.wavfilepath
        self.recTextStr = self.recTextStr
        print ("wav:", self.wavfilepath)
        print ("rec:", self.recTextStr)
        self.OnFreshUI()
        #刷新界面

    def OnFreshUI(self):
        self.InitMedia()
        self.rec_tc.SetValue(self.recTextStr)
        self.label_tc.SetValue("")
        self.anno_tc.SetValue("")
        self.wavpath_ST.SetLabel(u"当前操作文件 : "+ self.wavfilepath)

        self.drawBackJpg(str(self.wavfilepath))
        self.timer = wx.Timer(self)
        self.Bind(wx.EVT_TIMER, self.OnTimer)
        self.timer.Start(100)
        self.cutPanel.Refresh()
        self.annoPanel.Refresh()
        self.mainPanel.Refresh()

    #绘制音频波形的paint事件的回调函数
    def OnPaint(self, event):
        brush = wx.Brush("white")
        img = wx.Bitmap("mic4_output.png")
        dc = wx.BufferedPaintDC(self.wavPanel)
        dc.SetBackground(brush)
        # dc.Clear()
        dc.DrawBitmap(img,-172,0)

    #据说可以解决屏闪问题
    def OnErasePass(self, event):
        pass

    #--------------------------------------------------
    #列表界面的UI创建
    def CreateListUI(self,wavlist):
        self.ListBox = wx.BoxSizer(wx.HORIZONTAL)
        self.list = wx.ListCtrl(self.listPanel, -1, style=wx.LC_REPORT)
        self.list.InsertColumn(0, u'序号', width=50)
        self.list.InsertColumn(1, u'完成情况', width=150)
        for i in wavlist:
            index = self.list.InsertStringItem(sys.maxint, str(i[0]))
            self.list.SetStringItem(index, 1, u"未完成")
        self.ListBox.Add(self.list,1,wx.EXPAND)
        self.listPanel.SetSizerAndFit(self.ListBox)
    #--------------------------------------------------
    #标注界面的UI创建

    #wx.media的load初始化
    def InitMedia(self):
        try:
            self.mc = wx.media.MediaCtrl(self.mainPanel, style=wx.SIMPLE_BORDER)
        except NotImplementedError:
            self.Destroy()
            raise

        if not self.mc.Load(self.wavfilepath):
            wx.MessageBox("Unable to load: Unsupported format?","ERROR", wx.ICON_ERROR | wx.OK)
        else:
            print "load success"
            print self.mc.Length()
            self.slider.SetRange(0, self.mc.Length())
        #self.mc.Pause=0

    #初始完成后各按键才可使用
    def OnMediaLoaded(self, evt):
        self.buttonPlay.Enable()

    #创建标注界面(播放器,文本框)
    def CreateMainUI(self,recList):
        font=wx.SystemSettings_GetFont(wx.SYS_SYSTEM_FONT)
        font.SetPointSize(12)
        font20=wx.SystemSettings_GetFont(wx.SYS_SYSTEM_FONT)
        font20.SetPointSize(16)
        self.annoPanel.SetBackgroundColour("white")
        self.MainSizer=wx.GridBagSizer(0,0)
        self.num_st=wx.StaticText(self.annoPanel,label="")
        self.num_st.SetFont(font)
        self.MainSizer.Add(self.num_st,pos=(0,0),span=(1,2),flag=wx.ALL,border=10)
        self.num1=wx.StaticText(self.annoPanel,label="",style=wx.ALIGN_CENTER)
        self.num1.SetFont(font)
        self.MainSizer.Add(self.num1,pos=(2,0),span=(1,2),flag=wx.ALL,border=10)
        self.wav_st=wx.StaticText(self.annoPanel,label=u"音频")
        self.wav_st.SetFont(font)
        self.MainSizer.Add(self.wav_st,pos=(0,2),span=(1,5),flag=wx.EXPAND|wx.ALL,border=10)
        self.MainSizer.AddGrowableCol(6,1)
        self.buttonPlay=wx.Button(self.annoPanel,wx.ALL,label=u"&▷\tF1")
        self.buttonPause=wx.Button(self.annoPanel,label=u"&‖\tEsc")
        self.buttonStop=wx.Button(self.annoPanel,label=u"&■\tCtrl-S")
        self.Bind(wx.EVT_BUTTON,self.playWav,self.buttonPlay)
        #accelTb1 = wx.AcceleratorTable([wx.ACCEL_CTRL,ord('S'),self.buttonPlay.GetId()])
        #self.SetAcceleratorTable(accelTb1)
        self.Bind(wx.EVT_BUTTON,self.pauseWav,self.buttonPause)
        self.Bind(wx.EVT_BUTTON,self.stopWav,self.buttonStop)
        self.MainSizer.Add(self.buttonPlay,pos=(2,2),flag=wx.ALL,border=10)
        self.MainSizer.Add(self.buttonPause,pos=(2,3),flag=wx.ALL,border=10)
        self.MainSizer.Add(self.buttonStop,pos=(2,4),flag=wx.ALL,border=10)
        self.slider=wx.Slider(self.annoPanel,-1,0,0,1)
        self.slider.SetMinSize((150,-1))
        self.MainSizer.Add(self.slider,pos=(3,2),span=(1,3),flag=wx.ALL|wx.EXPAND,border=10)
        self.Bind(wx.EVT_SLIDER,self.OnSeek,self.slider)
        self.timer=wx.Timer(self)
        self.Bind(wx.EVT_TIMER,self.OnTimer)
        self.timer.Start(100)
        self.rec_st=wx.StaticText(self.annoPanel,label=u"语音识别结果")
        self.rec_st.SetFont(font)
        self.MainSizer.Add(self.rec_st,pos=(0,7),span=(1,4),flag=wx.EXPAND|wx.ALL,border=10)
        self.MainSizer.AddGrowableCol(10,1)
        self.rec_tc=wx.TextCtrl(self.annoPanel,value=self.recTextStr,style=wx.TE_READONLY|wx.TE_MULTILINE)
        self.MainSizer.Add(self.rec_tc,pos=(2,7),span=(4,4),flag=wx.EXPAND|wx.ALL,border=10)
        self.label_st=wx.StaticText(self.annoPanel,label=u"音频标记")
        self.label_st.SetFont(font)
        self.MainSizer.Add(self.label_st,pos=(0,12),flag=wx.ALL,border=10)
        self.label_tc=wx.TextCtrl(self.annoPanel,style=wx.TE_MULTILINE)
        self.MainSizer.Add(self.label_tc,pos=(2,12),span=(4,1),flag=wx.EXPAND|wx.ALL,border=10)
        self.anno_st=wx.StaticText(self.annoPanel,label=u"文本标注")
        self.anno_st.SetFont(font)
        self.MainSizer.Add(self.anno_st,pos=(0,13),span=(1,4),flag=wx.EXPAND|wx.ALL,border=10)
        self.MainSizer.AddGrowableCol(16,1)
        self.anno_tc=wx.TextCtrl(self.annoPanel,style=wx.TE_MULTILINE)
        self.MainSizer.Add(self.anno_tc,pos=(2,13),span=(4,4),flag=wx.EXPAND|wx.ALL,border=10)
        self.line=wx.StaticLine(self.annoPanel)
        self.MainSizer.Add(self.line,pos=(1,0),span=(1,18),flag=wx.EXPAND|wx.BOTTOM,border=10)
        self.save_button=wx.Button(self.annoPanel,label=u"保存")
        self.clear_button=wx.Button(self.annoPanel,label=u"清空")
        self.MainSizer.Add(self.save_button,pos=(2,17),flag=wx.ALL,border=10)
        self.MainSizer.Add(self.clear_button,pos=(3,17),flag=wx.ALL,border=10)
        self.save_button.Bind(wx.EVT_BUTTON,self.ButtonSave)
        self.clear_button.Bind(wx.EVT_BUTTON,self.ButtonClear)
        self.InitMedia()
        self.annoPanel.SetSizerAndFit(self.MainSizer)

    #播放器进度条的定时器事件回调
    def OnSeek(self, evt):
        offset = self.slider.GetValue()
        self.mc.Seek(offset)

    def OnTimer(self, evt):
        offset = self.mc.Tell()
        self.slider.SetValue(offset)

    #保存结果
    def ButtonSave(self,event):
        with codecs.open('anno_file','w','gbk') as f:
            anno_text = self.anno_tc.GetValue()
            print anno_text
            f.write(anno_text)
        self.list.SetStringItem(self.choosenItem,1,u"完成")
        self.list.SetItemBackgroundColour(self.choosenItem,"green")
        #删除中间操作的temp文件,并对最后保存的文件重命名
        if len(self.tempwavlist) != 0:
            lastfile=self.tempwavlist[-1]
            self.tempwavlist.pop()
            for i in self.tempwavlist:
                print i
                os.remove(i)
            data = self.list.GetItem(self.choosenItem,0)
            tuple_temp = self.wavList[int(data.GetText())-1]
            print tuple_temp
            path_str=os.path.split(tuple_temp[1])
            wavname=path_str[1].split('.')
            newname=wavname[0]+"_nocut."+wavname[1]
            newpath=os.path.join(path_str[0],newname)
            print newpath
            os.rename(tuple_temp[1],newpath)
            os.rename(lastfile,tuple_temp[1])

    #清空标注文本框
    def ButtonClear(self,event):
        self.anno_tc.SetValue("")
        self.label_tc.SetValue("")

    #播放器播放
    def playWav(self,event):
        if not self.mc.Play():
            wx.MessageBox("Unable to Play media : Unsupported format?","ERROR",wx.ICON_ERROR | wx.OK)
        else:
            print self.mc.Length()
            self.slider.SetRange(0, self.mc.Length())

    #播放器暂停
    def pauseWav(self,event):
        #if self.mc.Pause == 0:
        #   pygame.mixer.music.pause()
        #  self.buttonPause.SetLabel(u"▷")
        # self.mc.Pause = 1
        #else:
        #   pygame.mixer.music.unpause()
        #  self.buttonPause.SetLabel(u"‖")
        # self.mc.Pause = 0
        self.mc.Pause()

    #播放器停止
    def stopWav(self,event):
        self.mc.Stop()

    #--------------------------------------------------
    #标签操作的UI创建
    def OnLabelPaint(self,event):
        brush=wx.Brush("white")
        dc2=wx.PaintDC(self.labelPanel)
        dc2.SetBackground(brush)
        dc2.Clear()
        dc2.DrawRectangle(79,30,1550,40)
        for i in self.labelPos:
            print i
            dc4=wx.PaintDC(self.labelPanel)
            dc4.DrawLine(i,30,i,70)

    #--------------------------------------------------
    #音频操作的UI创建
    def CreateWavUI(self):
        self.haveDraw = 0
        self.haveCut = 0
        self.wavpath_ST = wx.StaticText(self.cutPanel,-1,u"当前操作文件 : "+self.wavfilepath,pos=(40,10))
        wx.StaticText(self.cutPanel,-1,u"时间 : ",pos=(40,60))
        wx.StaticText(self.cutPanel,-1,u"坐标:",pos=(600,60))
        self.labelButton=wx.Button(self.cutPanel,-1,"label",pos=(200,60))
        self.cutButton=wx.Button(self.cutPanel,-1,"delete",pos=(300,60))
        self.playButton=wx.Button(self.cutPanel,-1,"play",pos=(400,60))
        self.posCtrl=wx.TextCtrl(self.cutPanel,-1,"",pos=(640,60))
        self.timeCtrl=wx.TextCtrl(self.cutPanel,-1,"",pos=(80,60))
        self.Bind(wx.EVT_BUTTON,self.OnLabelCreate,self.labelButton)
        self.Bind(wx.EVT_BUTTON,self.cutWav,self.cutButton)
        self.Bind(wx.EVT_BUTTON,self.PlayWav,self.playButton)
        self.testbutton=wx.Button(self.cutPanel, -1, "revoke", pos=(500,60))
        self.Bind(wx.EVT_BUTTON,self.testtest, self.testbutton)

        # 录音
        self.recordBtn = wx.Button(self.cutPanel, -1, "Record", pos=(750, 61))
        self.Bind(wx.EVT_BUTTON, self.OnPaint2, self.recordBtn)

        # 接收消息,
        pub.subscribe(self.record_and_drawBackJpg, "update")

    # 待实现--还没写
    def CreateUpWavUI(self):
        self.uphaveDraw = 0
        self.uphaveCut = 0
        self.upwavpath_ST = wx.StaticText(self.upcutPanel,-1,u"当前操作文件 : "+self.wavfilepath,pos=(40,10))
        wx.StaticText(self.upcutPanel, -1, u"时间 : ", pos = (40,60))
        wx.StaticText(self.upcutPanel, -1, u"坐标:", pos = (600,60))
        self.uplabelButton=wx.Button(self.upcutPanel,-1,"label",pos=(200,60))
        self.upcutButton=wx.Button(self.upcutPanel,-1,"delete",pos=(300,60))
        self.upplayButton=wx.Button(self.upcutPanel,-1,"play",pos=(400,60))
        self.upposCtrl=wx.TextCtrl(self.upcutPanel,-1,"",pos=(640,60))
        self.uptimeCtrl=wx.TextCtrl(self.upcutPanel,-1,"",pos=(80,60))
        self.Bind(wx.EVT_BUTTON,self.OnLabelCreate,self.uplabelButton)
        self.Bind(wx.EVT_BUTTON,self.cutWav,self.upcutButton)
        self.Bind(wx.EVT_BUTTON,self.PlayWav,self.upplayButton)
        self.uptestbutton=wx.Button(self.cutPanel,-1,"revoke",pos=(500,60))
        self.Bind(wx.EVT_BUTTON,self.testtest,self.uptestbutton)
        self.upecordBtn = wx.Button(self.cutPanel, -1, "Record", pos=(750, 61))
        self.Bind(wx.EVT_BUTTON, self.OnPaint2, self.uprecordBtn)

    #左键按下事件的回调函数,绘制一条线
    def OnLeftDown(self,event):
        self.wavPanel.Refresh()
        self.firstPos=event.GetPosition()
        #haveDraw为判断是否左键按下后是否有拖动动作
        if self.haveDraw == 1:
            self.haveDraw = 0
            dc=wx.BufferedDC(wx.ClientDC(self.wavPanel))#,self.wavPanel
            # dc=wx.BufferedPaintDC(self.wavPanel)
            dc.DrawLine(self.firstPos.x, 30, self.firstPos.x, 270)

    #左键松开事件的回调函数,绘制选中的矩形框
    def OnDrawRec(self,event):
        #haveDraw为判断是否左键按下后是否有拖动拖动动作
        if self.haveDraw == 1:
            dc=wx.BufferedDC(wx.ClientDC(self.wavPanel))
            #dc=wx.BufferedPaintDC(self.wavPanel)
            brush=wx.Brush(wx.Colour(255,23,140))
            dc.SetBrush(brush)
            dc.SetBrush(wx.Brush(wx.Colour(255,23,140),wx.BDIAGONAL_HATCH))
            dc.DrawRectangle(self.firstPos.x,30,self.secondPos.x-self.firstPos.x,240)
        else:
            #dc=wx.PaintDC(self.wavPanel)
            dc=wx.BufferedDC(wx.ClientDC(self.wavPanel))#,self.wavPanel
            dc.DrawLine(self.firstPos.x,30,self.firstPos.x,270)

    def OnMove(self, event):
        pos=event.GetPosition()
        self.posCtrl.SetValue("%s,%s" %(pos.x,pos.y))
        #在左键按下和拖动下绘制选中的矩形框
        if event.Dragging() and event.LeftIsDown():
            self.secondPos=pos
            self.wavPanel.Refresh()
            dc = wx.BufferedDC(wx.ClientDC(self.wavPanel))
            #dc=wx.BufferedPaintDC(self.wavPanel)
            brush=wx.Brush(wx.Colour(100,100,100))
            dc.SetBrush(brush)
            dc.SetBrush(wx.Brush(wx.Colour(255,23,140),wx.BDIAGONAL_HATCH))
            if self.firstPos.x<80 :
                self.firstPos = 250
            if self.firstPos.x>1630 :
                self.firstPos = 1630
            if self.firstPos.x<80 :
                self.firstPos = 80
            if self.firstPos.x>1630 :
                self.firstPos = 1630
            else:
                dc.DrawRectangle(self.firstPos.x,30,self.secondPos.x-self.firstPos.x,240)
            self.haveDraw = 1

    #标签界面
    def OnLabelMove(self,event):
        pos=event.GetPosition()
        #在按下左键拖动后绘制两条指示线
        if event.Dragging() and event.LeftIsDown():
            self.labelPanel.Refresh()
            self.wavPanel.Refresh()
            self.labelPosition=event.GetPosition()
            a=self.wavTime*self.calPosition(pos.x,self.wavParams,self.wavLength,1)
            self.timeCtrl.SetValue("%.3fs"%a)
            dc=wx.ClientDC(self.labelPanel)
            dc.DrawLine(self.labelPosition.x,30,self.labelPosition.x,70)
            dc3=wx.BufferedDC(wx.ClientDC(self.wavPanel))
            #dc3=wx.BufferedPaintDC(self.wavPanel)
            dc3.DrawLine(self.labelPosition.x,30,self.labelPosition.x,270)

    #松开左键后绘制两条指示线
    def OnLabelDrawLine(self,event):
        self.labeltime=self.timeCtrl.GetValue()
        dc1 = wx.ClientDC(self.labelPanel)
        dc1.DrawLine(self.labelPosition.x, 30, self.labelPosition.x, 70)
        dc3 = wx.BufferedDC(wx.ClientDC(self.wavPanel))
        #dc3=wx.BufferedPaintDC(self.wavPanel)
        dc3.DrawLine(self.labelPosition.x, 30, self.labelPosition.x,270)

    #创建输入标签的文本框
    def OnLabelCreate(self,event):
        self.labelPos.append(self.labelPosition.x)
        self.labelPos.sort()
        self.labelCtrl=wx.TextCtrl(self.labelPanel,-1,"",pos=(self.labelPosition.x-93,33),size=(90,33),style=wx.TE_PROCESS_ENTER)
        self.labelCtrl.Bind(wx.EVT_TEXT_ENTER,self.TestEnter,self.labelCtrl)
        self.labellist.append((str(self.labeltime),self.labelCtrl))
    #标签文本框的enter建回调函数,若有值则保存,若无值按下回车则删除
    def TestEnter(self,event):
        self.labellist.sort()
        notfind=0
        enter_str=event.GetString()
        label=event.GetEventObject()
        for j in range(len(self.labellist)):
            if label == self.labellist[j][1]:
                labelindex = j
                itemtime = self.labellist[j][0]
        if enter_str == "":
            for i in range(len(self.labellist)):
                if label == self.labellist[i][1]:
                    del self.labellist[i]
                    del self.labelPos[i]
                    self.showlist.DeleteItem(i)
                    label.Destroy()
                    break
        else:
            if self.showlist.GetItemCount() != 0:
                for i in range(self.showlist.GetItemCount()):
                    if self.showlist.GetItem(i,0).GetText() == itemtime:
                        self.showlist.SetStringItem(i, 1, label.GetValue())
                        notfind=1
                        break
                if notfind == 0:
                    index = self.showlist.InsertStringItem(labelindex, itemtime)
                    self.showlist.SetStringItem(index, 1, label.GetValue())
            else:
                index = self.showlist.InsertStringItem(labelindex, str(self.labellist[0][0]))
                self.showlist.SetStringItem(index, 1, self.labellist[0][1].GetValue())
        self.bbbPanel.Refresh()

    #创建标签显示的list界面,显示当前插入的标签的时间和内容
    def CreateLabelListUI(self):
        self.listbox=wx.BoxSizer(wx.HORIZONTAL)
        self.showlist = wx.ListCtrl(self.bbbPanel, -1, style=wx.LC_REPORT|wx.LC_SORT_ASCENDING)#wx.LC_REPORT|
        self.showlist.InsertColumn(0, u'时间', width=200)
        self.showlist.InsertColumn(1, u'标签', width=410)
        for i in self.labellist:
            index = self.showlist.InsertStringItem(sys.maxint, str(i[0]))
            label_str = i[1].GetValue()
            print label_str
            self.showlist.SetStringItem(index, 1, label_str)
        self.listbox.Add(self.showlist,1,wx.EXPAND)
        self.bbbPanel.SetSizerAndFit(self.listbox)
        self.bbbPanel.Refresh()

    #插销上一步的剪辑操作,实际为读取再前一次的缓存音频
    def testtest(self,event):
        print self.labellist
        self.cutCount = self.cutCount - 2
        if self.cutCount == 0:
            self.cutCount = 1
            data = self.list.GetItem(self.choosenItem,0)
            tuple_temp = self.wavList[int(data.GetText())-1]
            self.wavfilepath=tuple_temp[1]
            if len(self.tempwavlist) != 0:
                self.tempwavlist.pop()
            print self.tempwavlist
            # self.cutCount = self.cutCount + 1
            self.drawBackJpg(self.wavfilepath)
            self.InitMedia()
            self.wavPanel.Refresh()
        else:
            print os.path.split(self.wavfilepath)
            path_str=os.path.split(self.wavfilepath)
            cutfile="temp"+str(self.cutCount)+".wav"
            temppath=os.path.join(path_str[0],cutfile)
            print temppath
            self.cutCount = self.cutCount + 1
            self.wavfilepath=temppath
            self.tempwavlist.pop()
            print self.tempwavlist
            self.drawBackJpg(self.wavfilepath)
            self.InitMedia()
            self.wavPanel.Refresh()

    #播放选中部分音频
    def PlayWav(self,event):
        f = wave.open(self.wavfilepath,"rb")
        print "1.pos:",self.firstPos.x,"2.pos",self.secondPos.x
        if self.firstPos.x < self.secondPos.x:
            x1=self.firstPos.x
            x2=self.secondPos.x
        else:
            x2=self.firstPos.x
            x1=self.secondPos.x
        print "x1:",x1,"x2",x2
        params = f.getparams()
        nchannels, sampwidth, framerate, nframes = params[:4]
        str_data = f.readframes(nframes)
        str_length = len(str_data)
        print "str length = ",str_length
        a=self.calPosition(x1,params,str_length,1)
        b=self.calPosition(x2,params,str_length,1)
        atime=round(a*self.wavTime,2)
        btime=round(b*self.wavTime,2)
        print atime,btime
        alength=int(a*self.mc.Length())
        print alength
        self.mc.Seek(alength)
        self.mc.Play()
        time.sleep(btime-atime)
        self.mc.Stop()
        # str_test=str_data[a:b]
        # print len(str_test)

        # p = pyaudio.PyAudio()
        # print f.getnchannels();
        # print p.get_format_from_width(f.getsampwidth())
        # print f.getframerate()
        # stream = p.open(format = p.get_format_from_width(f.getsampwidth()),
        #                 channels = f.getnchannels(),
        #                 rate = f.getframerate(),
        #                 output = True)
        # print "==="
        # stream.write(str_test)

        # stream.stop_stream()
        # stream.close()
        # f.close()

        # p.terminate()

    #剪辑音频
    def cutWav(self,event):
        print self.wavfilepath
        f = wave.open(self.wavfilepath,"rb")
        print os.path.split(self.wavfilepath)
        path_str=os.path.split(self.wavfilepath)
        cutfile="temp"+str(self.cutCount)+".wav"
        temppath=os.path.join(path_str[0],cutfile)
        print ("debug: temppath:", temppath)
        self.cutCount = self.cutCount + 1
        self.tempwavlist.append(temppath)
        print self.tempwavlist
        self.wavfilepath = temppath
        print "1.pos:",self.firstPos.x,"2.pos",self.secondPos.x
        if self.firstPos.x < self.secondPos.x:
            x1=self.firstPos.x
            x2=self.secondPos.x
        else:
            x2=self.firstPos.x
            x1=self.secondPos.x
        print "x1:",x1,"x2",x2
        params = f.getparams()
        nchannels, sampwidth, framerate, nframes = params[:4]
        str_data  = f.readframes(nframes)
        str_length = len(str_data)
        print "str length",str_length
        a=self.calPosition(x1,params,str_length,0)
        b=self.calPosition(x2,params,str_length,0)
        wf = wave.open(self.wavfilepath,"wb")
        wf.setnchannels(nchannels)
        wf.setsampwidth(sampwidth)
        wf.setframerate(framerate)
        str_test=str_data[0:a]+str_data[b:str_length]
        print len(str_test)
        wf.writeframes(str_test)
        wf.close()
        self.drawBackJpg(self.wavfilepath)
        self.InitMedia()
        self.wavPanel.Refresh()
    #计算当前坐标的在音频中的相对位置
    def calPosition(self,x,params,str_length,type):
        nchannels, sampwidth, framerate, nframes = params[:4]
        print nchannels, sampwidth, framerate, nframes
        bytecount=int(nchannels*sampwidth)
        print bytecount
        real_length = int(((str_length//bytecount)/framerate)/((((str_length//bytecount)/framerate)//0.5+1)*0.5)*1550)
        print real_length
        aa=(x-79)/real_length
        print aa
        a = ((str_length//bytecount)//1000)*(int(((x-79)/real_length)*1000))*bytecount
        print a
        if type == 1:
            # print "aa ",int(aa)
            return aa
        else:
            # print "a",int(a)
            return int(a)
    #绘制波形图片
    def drawBackJpg(self, path):
        print ("debug path:", path)
        f = wave.open(path, "r")
        params = f.getparams()
        nchannels, sampwidth, framerate, nframes = params[:4]
        str_data = f.readframes(nframes)
        f.close()
        str_length = len(str_data)
        self.wavLength = str_length
        self.wavParams = params
        time_limit=(((str_length//(nchannels*sampwidth)/framerate)//0.5+1)*0.5)
        wave_data = numpy.fromstring(str_data,dtype = numpy.short)
        wave_data.shape = -1, int(params[0])
        wave_data = wave_data.T
        time = numpy.arange(0, nframes)*(1.0/framerate)
        len_time = len(time)
        time = time[0:len_time]
        self.wavTime = len(time)/16000
        axes = pl.subplot(111)
        axes.plot(time, wave_data[0], 'cornflowerblue')
        axes.xaxis.set_ticks_position('top')
        axes.xaxis.set_major_locator(xmajorLocator)
        axes.xaxis.set_minor_locator(xminorLocator)
        axes.xaxis.grid(True, which='minor')
        axes.set_xlim([0.0, time_limit])
        axes.set_yticks([])
        fig = pl.gcf()
        fig.set_size_inches(20, 3)
        fig.savefig('mic4_output.png', dpi=100)
        # gc.collect()
        pl.close()

    def record_and_drawBackJpg(self, msg):
        global input_filename
        self.wavfilepath = input_filename
        self.OnFreshUI()   # 里面执行了, self.drawBackJpg(self.wavfilepath)

        # 重绘
        brush = wx.Brush("white")
        img = wx.Bitmap("mic4_output.png")
        dc = wx.ClientDC(self.wavPanel)
        dc.Clear()
        dc.SetBackground(brush)
        dc.DrawBitmap(img, -172, 0)

    def OnPaint2(self, event):

        mythread = threading.Thread(target=self.thread_paint)
        mythread.start()

        event.GetEventObject().Disable()

    def thread_paint(self):
        len = int(11025 / 256 * 20)
        for i in range(len):
            self.get_audio()   # 实现一边录音,一边绘图
            # 绘图
            # self.record_and_drawBackJpg()

    def get_audio(self):
        global in_path
        global global_frames
        global wavCount

        CHUNK = 256
        FORMAT = pyaudio.paInt16
        CHANNELS = 1                # 声道数
        RATE = 11025                # 采样率
        RECORD_SECONDS = 3          # 每次录音 5s
        WAVE_OUTPUT_FILENAME = in_path
        p = pyaudio.PyAudio()
        stream = p.open(format=FORMAT,
                        channels=CHANNELS,
                        rate=RATE,
                        input=True,
                        frames_per_buffer=CHUNK)
        print("*"*10, u"start record: please speak in 5s")
        frames = global_frames
        for i in range(0, int(RATE / CHUNK * RECORD_SECONDS)):
            data = stream.read(CHUNK)
            frames.append(data)
        print("*"*10, u"speak over\n")
        global_frames = frames

        stream.stop_stream()
        stream.close()
        p.terminate()

        # ./input.wav
        wf = wave.open(WAVE_OUTPUT_FILENAME, 'wb')
        wf.setnchannels(CHANNELS)
        wf.setsampwidth(p.get_sample_size(FORMAT))
        wf.setframerate(RATE)
        # 写wav
        wf.writeframes(b''.join(global_frames))
        wf.close()

        wavCount = wavCount + 1
        if wavCount == 10:
            global_frames = []
            wavCount = 0
        # 和主线程之间进行通信, 发送更新图片消息
        wx.CallAfter(pub.sendMessage, "update", msg=wavCount)

# start
class LoginWin(wx.Frame):
    def __init__(self,parent,title):
        super(LoginWin, self).__init__(parent, title=title, size=(590,150))
        self.InitUI()
        self.Centre()
        self.Show()

    def InitUI(self):
        self.LoginPanel = wx.Panel(self)
        hbox = wx.BoxSizer(wx.HORIZONTAL)
        fgs = wx.FlexGridSizer(2, 3, 10,10)
        wavListST = wx.StaticText(self.LoginPanel, label = u"音频列表")
        recTextST = wx.StaticText(self.LoginPanel, label = u"识别文本")
        ChooseButton1 = wx.Button(self.LoginPanel, label=u"选择")
        ChooseButton2 = wx.Button(self.LoginPanel, label=u"选择")
        ChooseButton1.Bind(wx.EVT_BUTTON, self.ReadList)
        ChooseButton2.Bind(wx.EVT_BUTTON, self.ReadText)
        self.ListTC= wx.TextCtrl(self.LoginPanel, style=wx.TE_READONLY)
        self.TextTC = wx.TextCtrl(self.LoginPanel, style=wx.TE_READONLY)
        fgs.AddMany([(wavListST), (self.ListTC, 1, wx.EXPAND), (ChooseButton1), (recTextST),(self.TextTC, 1, wx.EXPAND), (ChooseButton2)])
        fgs.AddGrowableCol(1, 1)
        hbox.Add(fgs, proportion = 1, flag = wx.ALL|wx.EXPAND, border = 10)
        OkButton = wx.Button(self.LoginPanel, label="OK")
        CancelButton = wx.Button(self.LoginPanel, label="CANCEL")
        OkButton.Bind(wx.EVT_BUTTON, self.OnClick)
        sizer = wx.GridBagSizer(hgap=10, vgap=10)
        sizer.Add(OkButton, pos=(0, 20), flag=wx.ALL)
        sizer.Add(CancelButton, pos=(0, 21), flag=wx.ALL)
        bsizer = wx.BoxSizer(wx.VERTICAL)
        bsizer.Add(hbox,0,wx.EXPAND,10)
        bsizer.Add(sizer,0,wx.EXPAND,10)
        self.LoginPanel.SetSizerAndFit(bsizer)
        sizer.SetSizeHints(self.LoginPanel)

    def ReadList(self, event):
        dlg = wx.FileDialog(self, message=u"选择音频列表文件select ",defaultDir=os.getcwd(),defaultFile="",style=wx.OPEN|wx.CHANGE_DIR)
        self.wavList = ["mic4.wav"]
        if dlg.ShowModal() == wx.ID_OK:
            path = dlg.GetPath()
            self.ListTC.SetValue(path)
            print ("Debug: ", path)
            # self.wavList = self.ReadFilePath(path)
        dlg.Destroy()

    def ReadText(self, event):
        dlg = wx.FileDialog(self, message=u"选择识别结果文本",defaultDir=os.getcwd(), defaultFile="",style = wx.OPEN|wx.CHANGE_DIR)
        self.recText = ["recog.txt"]
        if dlg.ShowModal() == wx.ID_OK:
            path = dlg.GetPath()
            self.TextTC.SetValue(path)
            # self.recText = se0lf.ReadFilePath(path)
            print ("debug: rectext:", self.recText)
        dlg.Destroy()

    def ReadFilePath(self,path):
        tempList = []
        i = 1
        with open(path, 'rb') as f:
            for line in f.readlines():
                tempList.append((i, line.strip('\n').decode('utf-8')))
                i = i + 1
        return tempList

    def OnClick(self, event):
        self.Close()
        mainWin = MyFrame(self.wavList, self.recText)
        mainWin.Show()

if __name__ == '__main__':

    app = wx.App(0)

    LoginWin(None, 'login')

    app.MainLoop()

可以通过这个简短的例子, 学习, 线程间通信: https://www.cnblogs.com/douzujun/p/10719458.html

主要流程是: 点击按钮, 执行按钮点击事件函数(录音), 函数里开启一个线程, 同时向主线程发送消息, 主线程接收消息, 将消息发给绘图函数, 让其执行