python 练手 -- 媒体播放器
可以播放大部分的音视频.
demo download: http://www.sandy1219.com/python/media.rar
playMP3.py
<textarea cols="50" rows="15" name="code" class="python:collapse"># -*- coding: utf-8 -*- import wx; import wx.media; import os; import SPrint; import mediaStateBar; import mediaList; import SaveLog; import MediaItem; woldcart = "media files|*.*|avi|*.avi|rmvb|*.rmvb|rm|*.rm|wma|*.wma|mp3|*.mp3"; class MediaFrame(wx.Frame): def __init__(self): wx.Frame.__init__(self,None,wx.NewId(),u"媒体播放器",pos=wx.DefaultPosition,size=(500,500)); self.media = ''; try: self.media = wx.media.MediaCtrl(self,style=wx.SIMPLE_BORDER, #szBackend=wx.media.MEDIABACKEND_DIRECTSHOW #szBackend=wx.media.MEDIABACKEND_QUICKTIME #szBackend=wx.media.MEDIABACKEND_WMP10 ); self.media.Bind(wx.media.EVT_MEDIA_LOADED,self.mediaLoaded); self.media.Bind(wx.media.EVT_MEDIA_STATECHANGED,self.mediaStateChange) except NotImplementedError: self.Destroy() raise; self.listView = ''; self.item = MediaItem.MediaItem(); self.sb = mediaStateBar.MediaStateBar(self); self.SetStatusBar(self.sb); self.log = SaveLog.SaveLog(); #self.log.test(); self.menu = wx.Menu() self.openMenu = self.menu.Append(wx.NewId(),u"打开文件"); self.Bind(wx.EVT_MENU,self._openFile,self.openMenu); self.quitMenu = self.menu.Append(wx.NewId(),u"退出"); self.Bind(wx.EVT_MENU,self.quit,self.quitMenu); self.viewMenu = wx.Menu(); self.listMenu = self.viewMenu.Append(wx.NewId(),u"打开播放列表"); self.Bind(wx.EVT_MENU,self.openList,self.listMenu); self.loadListMenu = self.viewMenu.Append(wx.NewId(),u"加载播放列表"); self.Bind(wx.EVT_MENU,self.loadMediaList,self.loadListMenu); self.saveListMenu = self.viewMenu.Append(wx.NewId(),u"保存播放列表") self.Bind(wx.EVT_MENU,self.saveMediaList,self.saveListMenu); menuBar = wx.MenuBar(); menuBar.Append(self.menu,u"文件") menuBar.Append(self.viewMenu,u"播放列表") self.SetMenuBar(menuBar); self.slider = wx.Slider(self,wx.NewId(), 0,0,100); self.Bind(wx.EVT_SLIDER,self.onSeek,self.slider); self.btnGroupSizer = wx.BoxSizer(wx.HORIZONTAL); self.btnGroupSizer.Add((5,5),0) self.playBtn = self.createButton("./pic/play.png",self.playMp3,u"播放"); self.playBtn.Disable() self.btnGroupSizer.Add(self.playBtn); self.btnGroupSizer.Add((5,5),0) self.pauseBtn = self.createButton("./pic/pause.png",self.pauseMp3,u"暂停"); self.pauseBtn.Disable() self.btnGroupSizer.Add(self.pauseBtn); self.btnGroupSizer.Add((5,5),0) self.stopBtn = self.createButton("./pic/stop.png",self.stopMp3,u"停止"); self.stopBtn.Disable() self.btnGroupSizer.Add(self.stopBtn); self.btnGroupSizer.Add((5,5),0) self.preBtn = self.createButton("./pic/pre.png",self.preMp3,u"前一个"); self.preBtn.Disable() self.btnGroupSizer.Add(self.preBtn); self.btnGroupSizer.Add((5,5),0) self.nextBtn = self.createButton("./pic/next.png",self.nextMp3,u"下一个"); self.nextBtn.Disable() self.btnGroupSizer.Add(self.nextBtn); self.btnGroupSizer.Add((5,5),0) self.openBtn = self.createButton("./pic/media.png",self._openFile,u"打开文件"); #self.openBtn.Disable() self.btnGroupSizer.Add(self.openBtn); self.btnGroupSizer.Add((5,5),0) self.listBtn = self.createButton("./pic/list.png",self.openList,u"打开列表"); #self.listBtn.Disable() self.btnGroupSizer.Add(self.listBtn) self.btnGroupSizer.Add((5,5),0) self.volSlider = wx.Slider(self,wx.NewId(), 0,0,100); self.Bind(wx.EVT_SLIDER,self.volumeSeek,self.volSlider); self.btnGroupSizer.Add(self.volSlider) self.btnGroupSizer.Add((5,5),0) self.volTxt = wx.StaticText(self,wx.NewId(),"") self.btnGroupSizer.Add(self.volTxt) self.btnGroupSizer.Add((5,5),0) mainSizer = wx.BoxSizer(wx.VERTICAL); mainSizer.Add(self.media,1,wx.EXPAND|wx.ALL,5); #mainSizer.Add((5,5),0) mainSizer.Add(self.slider,0,wx.EXPAND|wx.ALL,5); #mainSizer.Add((2,2),0) mainSizer.Add(self.btnGroupSizer,0,wx.EXPAND|wx.ALL,5); #mainSizer.Add((2,2),0) self.SetSizer(mainSizer); self.Layout(); self.timer = wx.Timer(self) self.Bind(wx.EVT_TIMER,self.onTimer); self.timer.Start(200); def createButton(self,img,clickFun,tip=""): bmp = wx.Bitmap(img, wx.BITMAP_TYPE_PNG); btn = wx.BitmapButton(self,wx.NewId(),bmp); if tip != '' : btn.SetToolTipString(tip); btn.Bind(wx.EVT_BUTTON,clickFun); return btn; def quit(self,event): self.Destroy(); def playMp3(self,e): if self.item != '': self.media.Play() # self.media.SetInitialSize() def pauseMp3(self,e=''): self.media.Pause() def stopMp3(self,e=''): self.media.Stop() def preMp3(self,e): if self.item!='': self.item = self.log.getPreItem(self.item.index) if self.item != '': self.playMedia(self.item.url,self.item.fileName); def nextMp3(self,e): if self.item!='': self.item = self.log.getNextItem(self.item.index) if self.item != '': self.playMedia(self.item.url,self.item.fileName); def onSeek(self,event): self.media.Seek(self.slider.GetValue()) def callAfterPlayMedia(self,url): #self.media.SetInitialSize(); self.media.Play(); def playMedia(self,url,filename): #print SPrint.encodeFromSystem( u"播放文件: " ) , SPrint.encodeFromSystem(url) ; if self.media.Load(url) != True: return ; self.item = MediaItem.MediaItem(); self.item.fileName = filename; self.item.url = url; self.SetTitle(filename) self.SetStatusText(filename,1) #wx.FutureCall(2000,self.callAfterPlayMedia,url); def _openFile(self,event): dialog = wx.FileDialog(self,u"打开文件",'F://movie//',"",woldcart,style=wx.OPEN|wx.CHANGE_DIR) if dialog.ShowModal() == wx.ID_OK: self.playMedia(dialog.GetPath(),dialog.GetFilename()) dialog.Destroy(); def cellRemove(self,url,all=False): if all == True: self.stopMp3() self.item = ''; return ; if self.item.url == url: self.stopMp3(); self.item = ''; def volumeSeek(self,evt): #print float(self.volSlider.GetValue()/100); self.media.SetVolume(self.volSlider.GetValue()/100.0) self.volTxt.SetLabel(str(self.volSlider.GetValue())+'%') def mediaLoaded(self,e): print "media loaded!" self.media.Play(); self.slider.SetRange(0,self.media.Length()); self.item.length = self.getAccurateTime(self.media.Length()/1000); if self.log.addItem(self.item): if self.listView != '': self.listView.reflash(self.log); if self.log.haveNextItem(self.item.index): self.nextBtn.Enable(); else: self.nextBtn.Disable() if self.log.havePreItem(self.item.index): self.preBtn.Enable() else: self.preBtn.Disable(); self.volSlider.SetValue(self.media.GetVolume()*100); self.volTxt.SetLabel(str(self.volSlider.GetValue())+'%') def mediaStateChange(self,evt): if self.media.GetState() == wx.media.MEDIASTATE_PAUSED: self.playBtn.Enable() self.pauseBtn.Disable() self.stopBtn.Enable(); self.SetStatusText(u"暂停") elif self.media.GetState() == wx.media.MEDIASTATE_PLAYING: self.playBtn.Disable() self.pauseBtn.Enable() self.stopBtn.Enable(); self.SetStatusText(u"播放") elif self.media.GetState() == wx.media.MEDIASTATE_STOPPED: self.playBtn.Enable() self.pauseBtn.Enable() self.stopBtn.Disable(); self.SetStatusText(u"停止") def onTimer(self,evt): self.slider.SetValue(self.media.Tell()); self.SetStatusText(self.creatTimeStatusTEXT(),1) def creatTimeStatusTEXT(self): current = self.getAccurateTime(self.media.Tell()/1000); total = self.getAccurateTime(self.media.Length()/1000); return ' ' + current + '/' + total; def openList(self,evt): if self.listView == '': self.listView = mediaList.MediaListView(self,self.log); self.listView.CenterOnParent(wx.BOTH); self.listView.Show(); self.listView.Bind(wx.EVT_CLOSE,self.closeOpenList); else: self.closeOpenList(evt); def closeOpenList(self,evt): self.listView.Destroy(); self.listView = ''; def loadMediaList(self,evt): woldcart1 = "txt|*.txt"; dialog = wx.FileDialog(self,u"加载播放列表",'C:',"",woldcart1,style=wx.OPEN|wx.CHANGE_DIR) if dialog.ShowModal() == wx.ID_OK: self._loadMediaList(dialog.GetPath()) dialog.Destroy(); def _loadMediaList(self,url): f = file(url) lines = f.readlines() for line in lines: if line: self.log.loadLog(line); def saveMediaList(self,evt): woldcart1 = "txt|*.txt"; dialog = wx.FileDialog(self,u"保存播放列表",'C:',"",woldcart1,style=wx.SAVE|wx.CHANGE_DIR) if dialog.ShowModal() == wx.ID_OK: self._saveMediaList(dialog.GetPath()) dialog.Destroy(); def _saveMediaList(self,url): f = file(url,"w+") f.writelines(self.log.createLog()); f.close(); self.showMessage(u"保存成功！"); def showMessage(self,str): dlg = wx.MessageDialog(self, str,u"消息", wx.OK | wx.ICON_INFORMATION) dlg.ShowModal() dlg.Destroy() def getAccurateTime(self,s): h = 0 m = 0 if s/60 !=0: m = s/60 s = s%60 if m/60 !=0: h = m/60 m = m%60 return str(h)+':'+str(m)+':'+str(s) if __name__ == "__main__": app = wx.PySimpleApp() frame = MediaFrame(); bmp = wx.Icon("./pic/media.png",wx.BITMAP_TYPE_PNG) frame.SetIcon(bmp) frame.Show(); app.MainLoop();</textarea>
mediaList.py
<textarea cols="50" rows="15" name="code" class="python:collapse"># -*- coding: utf-8 -*- import wx; import sys; import os; import SaveLog; import subprocess; class MediaListView(wx.MiniFrame): def __init__(self,parent,log): wx.MiniFrame.__init__(self,parent,wx.NewId(),u"文件列表",style=wx.DEFAULT_FRAME_STYLE); self.SetAutoLayout(True) self.mediaMain = parent; self.menu = ''; self.selectIndex = -1 self.listDataLog = SaveLog.SaveLog(); self.listDataLog = log; self.listct = wx.ListCtrl(self,wx.NewId(),style=wx.LC_REPORT| wx.LC_VRULES| wx.LC_SORT_ASCENDING); self.listct.InsertColumn(0,u"编号") self.listct.SetColumnWidth(0,38) self.listct.InsertColumn(1,u"名字") self.listct.SetColumnWidth(1,235) self.listct.InsertColumn(2,u"时间"); self.listct.SetColumnWidth(2,105) frSizer = wx.BoxSizer(wx.VERTICAL) frSizer.Add(self.listct,1,wx.EXPAND|wx.ALL,5) self.listct.Bind(wx.EVT_CONTEXT_MENU,self.onRightClick) self.listct.Bind(wx.EVT_LEFT_DCLICK,self.doubleClick) self.listct.Bind(wx.EVT_LIST_ITEM_SELECTED,self.itemSelected) self.SetSizer(frSizer) self.Layout(); wx.CallAfter(self.reflash,self.listDataLog) def reflash(self,log=''): self.listct.DeleteAllItems(); if log != '': self.listDataLog = log; i = 0; ls = log.getList(); for it in ls: if it: index = self.listct.InsertStringItem(i,str(it.index)); self.listct.SetStringItem(index,0,str(it.index)) self.listct.SetStringItem(index,1,it.fileName) self.listct.SetStringItem(index,2,it.length) i = i+1; def onRightClick(self,evt): self.menu = wx.Menu(); self.playMenu = self.menu.Append(wx.NewId(),u"播放") self.Bind(wx.EVT_MENU,self.cellPlay,self.playMenu) self.delMenu = self.menu.Append(wx.NewId(),u"删除") self.Bind(wx.EVT_MENU,self.cellRomve,self.delMenu); self.dirMenu = self.menu.Append(wx.NewId(),u"打开文件目录") self.Bind(wx.EVT_MENU,self.openDir,self.dirMenu); self.delAllMenu = self.menu.Append(wx.NewId(),u"清除播放列表") self.Bind(wx.EVT_MENU,self.clearAll,self.delAllMenu); self.PopupMenu(self.menu); self.menu.Destroy(); def cellPlay(self,evt): self.selectIndex = self.listct.GetFirstSelected(); item = self.listDataLog.getItemByIndex(self.selectIndex); self.mediaMain.playMedia(item.url,item.fileName); def cellRomve(self,evt): #self.selectIndex = self.listct.GetFirstSelected(); url = self.listDataLog.delItemByIndex(self.listct.GetFirstSelected()); self.listDataLog.reflashDataByIndex(); self.reflash(self.listDataLog); self.mediaMain.cellRemove(url) def doubleClick(self,evt): item = self.listDataLog.getItemByIndex(self.selectIndex); self.mediaMain.playMedia(item.url,item.fileName); evt.Skip(); def itemSelected(self,evt): self.selectIndex = evt.GetIndex(); evt.Skip(); def openDir(self,evt): self.selectIndex = self.listct.GetFirstSelected(); item = self.listDataLog.getItemByIndex(self.selectIndex); subprocess.Popen("explorer " + os.path.split(item.url)[0]); def clearAll(self,evt): self.listDataLog.clearAll(); self.reflash(self.listDataLog); self.mediaMain.cellRemove('',True) </textarea>
SaveLog.py
<textarea cols="50" rows="15" name="code" class="python:collapse">import MediaItem; class SaveLog(): list = []; def addItem(self,it=MediaItem.MediaItem): if self.getItemByURL(it.url) == '' : it.index = len(self.list) + 1; self.list.append(it); return True; return False; def clearAll(self): self.list = []; def getItemByURL(self,url): for it in self.list: if it and it.url == url: return it; return ''; def getItemByIndex(self,ind): return self.list[ind]; def delItemByIndex(self,ind): it = self.getItemByIndex(ind); if it : url = it.url; self.list.remove(it); return url; return ''; def reflashDataByIndex(self): i = 1; for it in self.list: if it: it.index = i; i = i+ 1; def havePreItem(self,ind): if ind-1>0: return True; return False; def haveNextItem(self,ind): if ind < len(self.list)-1: return True; return False; def getPreItem(self,ind): if ind>0: ind = ind -1; return self.list[ind]; return ''; def getNextItem(self,ind): if ind < len(self.list)-1: ind = ind + 1; return self.list[ind]; return ''; def getList(self): return self.list; def createLog(self): out = []; for it in self.list: if it: out.append(it.createLog()) return out; def loadLog(self,s=''): ls = s.split("|"); item = MediaItem.MediaItem(); item.index = ls[0] item.fileName = ls[1] item.url = ls[2] item.length = ls[3]; self.addItem(item); def test(self): item = MediaItem.MediaItem(); item.index = 0; item.fileName = '123' item.length = '123' item.url = '123' self.list.append(item) item2 = MediaItem.MediaItem(); item2.index = 1; item2.fileName = '1234' item2.length = '1234' item2.url = '1234' self.list.append(item2) item3 = MediaItem.MediaItem(); item3.index = 2; item3.fileName = '12345' item3.length = '12345' item3.url = '12345' self.list.append(item3) </textarea>