本文实例为大家分享了python实现媒体播放器功能的具体代码，供大家参考，具体内容如下
playMP3.py
|
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
|
# -*- 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();
|
mediaList.py
|
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
|
# -*- 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)
|
SaveLog.py
|
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
|
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)
|
以上就是本文的全部内容，希望对大家的学习有所帮助，也希望大家多多支持服务器之家。
原文链接：http://blog.csdn.net/songhuanren/article/details/4546818