实现一个简单的视频播放器，效果不是很好。这里不多说，直接贴代码了。

1 #-*- coding:gbk -*-  2 import pyglet  3 import os  4 from pyglet.gl import *  5   6 def draw_rec(x,y,width,height):  7     """  8     矩形  9     """ 10     glLoadIdentity() 11     glPushMatrix() 12     glBegin(GL_LINE_LOOP) 13     glVertex2f(x,y) 14     glVertex2f(x+width,y) 15     glVertex2f(x+width,y+height) 16     glVertex2f(x,y+height) 17     glEnd() 18     glPopMatrix() 19  20  21 class Button(pyglet.event.EventDispatcher): 22  23     def __init__(self): 24         super(Button,self).__init__() 25         self.x=y=0  #按钮的位置以及大小 26         self.width=height=10 27         self.hit=False  #按钮是否被鼠标点击 28         self._text=pyglet.text.Label('',anchor_x='center',anchor_y='center')   #初始化是必要的,必须写在__init__中，不然给他赋文本值会当成全局量，最终显示的按钮的文本是最后一个赋值（即，作为私有量） 29      30     def draw(self): 31         """ 32         画按钮 33         """ 34         if self.hit: 35             glColor3f(0.0,1.0,0.0) 36         draw_rec(self.x,self.y,self.width,self.height) 37         glColor3f(1.0,1.0,1.0) 38         self.draw_label() 39     def set_text(self,button_text): 40         """ 41         改变按钮的文本 42         """ 43         self._text.text=button_text 44     button_text=property(lambda self: self._text.text,set_text) 45     def set_size(self,x,y,width,height): 46         """ 47         改变按钮的位置和大小 48         """ 49         self.x=x 50         self.y=y 51         self.width=width 52         self.height=height 53  54     def on_mouse_press(self,x,y,button,modifiers): 55         self.dispatch_event('on_press')   #调度事件 56         self.hit=True  #鼠标点击，颜色变化 57     def on_mouse_drag(self,x,y,dx,dy,button,modifiers): 58         """ 59         拖动 60         """ 61         self.dispatch_event('on_value_change') 62     def on_mouse_release(self,x,y,button,modifiers): 63         self.dispatch_event('on_release') 64         self.hit=False  #释放鼠标，恢复颜色 65     def draw_label(self): 66         """ 67         添加标签 68         """ 69         self._text.x=self.x+self.width/2 70         self._text.y=self.y+self.height/2 71         self._text.draw() 72     def hit_test(self,x,y): 73         return (self.x
     
      
       1:113             self.width*=self.source.video_format.sample_aspect114         else:115             self.height/=self.source.video_format.sample_aspect116     117         118         119 class MyPlayer(pyglet.window.Window):120     def __init__(self,caption):121         super(MyPlayer,self).__init__(caption=caption,resizable=True)122         self.padding=10  #默认的间距以及长宽123         self.width=50124         self.height=30125 126         #下面列出要显示的列表127         self.drawable=[]  #显示列表128 129         #播放器130         self.player=Player()131         self.player.load_source('E:\music')132         self.player.set_locate(0,self.padding*2+30)  #播放器显示位置133         self.player.get_and_set_video_size()  #得到视频的大小并设置134         self.player.EOS_NEXT='next'  #按顺序进行播放135         self.player.push_handlers(self)136 137         #播放/暂停控制按钮138         self.play_pause_control=Button()139         self.play_pause_control.width=50140         self.play_pause_control.height=30141         self.play_pause_control.set_size(self.padding,self.padding,self.play_pause_control.width,self.play_pause_control.height)  #位置以及大小142         self.play_pause_control.button_text='play'  #文本设置143         self.play_pause_control.on_press=lambda:self.on_play_pause()144         self.drawable.append(self.play_pause_control)  #将这个按钮加入到显示列表中145 146         #全屏控制按钮147         self.isscreenfull=Button()148         self.isscreenfull.width=50149         self.isscreenfull.height=30150         self.isscreenfull.set_size(self.padding*2+self.play_pause_control.width,self.padding,self.isscreenfull.width,self.isscreenfull.height)151         self.isscreenfull.button_text='全屏'152         self.isscreenfull.on_press=lambda: self.set_fullscreen(True)153         self.drawable.append(self.isscreenfull)154 155     def on_draw(self):156         self.clear()157         #显示播放器158         if self.player.source and self.player.source.video_format: 159             self.player.get_texture().blit((self.width-self.player.width)/2,self.player.y,width=self.player.width,height=self.player.height) #注意这里width=,height=不能省略，否则画面不会出现的160             161 162         #画列表中所有的控制按钮163         if self.drawable:164             for draw_c in self.drawable:165                 draw_c.draw()166     def on_mouse_press(self,x,y,button,modifiers):167         for dc in self.drawable:168             if dc.hit_test(x,y):169                 dc.on_mouse_press(x,y,button,modifiers)170     def on_play_pause(self):171         if self.player.playing:172             self.player.pause()173             self.play_pause_control.set_text('pause')    174         else:175             if self.player.time > self.player.source.duration:176                 self.player.seek(0)177             self.player.play()178             self.play_pause_control.set_text('play')179     def on_mouse_release(self,x,y,button,modifiers):180         for dc in self.drawable:181             if dc.hit_test(x,y):182                 dc.on_mouse_release(x,y,button,modifiers)183     def on_resize(self,width,height):184         super(MyPlayer,self).on_resize(width,height)185         if self.player.source:186             video_width,video_height=self.player.width,self.player.height187             188         display_aspect=width/float(height)189         video_aspect=video_width/float(video_height)190 191         if video_aspect>display_aspect:192             self.player.width=width193             self.player.height=width/video_aspect194         else:195             self.player.height=height196             self.player.width=height * video_aspect197         self.player.x=(width-self.player.width)/2198         self.player.y=(height-self.player.height)/2199 200 if __name__ == "__main__":201     wn=MyPlayer('my player')202     wn.set_size(int(wn.player.width),int(wn.player.height)) #将窗口的大小设置的和视频一样大小203     wn.set_visible(True)  #可见204     wn.player.play()205 pyglet.app.run()206