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。
#-*- coding:gbk -*-
import pyglet
import os
from pyglet.gl import * def draw_rec(x,y,width,height):
"""
矩形
"""
glLoadIdentity()
glPushMatrix()
glBegin(GL_LINE_LOOP)
glVertex2f(x,y)
glVertex2f(x+width,y)
glVertex2f(x+width,y+height)
glVertex2f(x,y+height)
glEnd()
glPopMatrix() class Button(pyglet.event.EventDispatcher): def __init__(self):
super(Button,self).__init__()
self.x=y=0 #按钮的位置以及大小
self.width=height=10
self.hit=False #按钮是否被鼠标点击
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） def draw(self):
"""
画按钮
"""
if self.hit:
glColor3f(0.0,1.0,0.0)
draw_rec(self.x,self.y,self.width,self.height)
glColor3f(1.0,1.0,1.0)
self.draw_label()
def set_text(self,button_text):
"""
改变按钮的文本
"""
self._text.text=button_text
button_text=property(lambda self: self._text.text,set_text)
def set_size(self,x,y,width,height):
"""
改变按钮的位置和大小
"""
self.x=x
self.y=y
self.width=width
self.height=height def on_mouse_press(self,x,y,button,modifiers):
self.dispatch_event('on_press') #调度事件
self.hit=True #鼠标点击，颜色变化
def on_mouse_drag(self,x,y,dx,dy,button,modifiers):
"""
拖动
"""
self.dispatch_event('on_value_change')
def on_mouse_release(self,x,y,button,modifiers):
self.dispatch_event('on_release')
self.hit=False #释放鼠标，恢复颜色
def draw_label(self):
"""
添加标签
"""
self._text.x=self.x+self.width/2
self._text.y=self.y+self.height/2
self._text.draw()
def hit_test(self,x,y):
return (self.x<x<self.x+self.width and self.y < y < self.y+self.height) #注册事件类型
Button.register_event_type('on_press')
Button.register_event_type('on_value_change')
Button.register_event_type('on_release') class Player(pyglet.media.Player):
x=y=0
width=height=10 def load_source(self,path):
"""
载入视频资源
"""
resource_path=[path]
pyglet.resource.path=resource_path
pyglet.resource.reindex()
if path:
for root,dirname,files in os.walk(path):
for f in files:
source=pyglet.resource.media(f)
self.queue(source)
def set_locate(self,x,y):
"""
设置播放器的位置
"""
self.x=x
self.y=y
def get_and_set_video_size(self):
"""
获取视频的大小并设置播放器的长宽
"""
if self.source and self.source.video_format:
self.width=self.source.video_format.width
self.height=self.source.video_format.height
if self.source.video_format.sample_aspect>1:
self.width*=self.source.video_format.sample_aspect
else:
self.height/=self.source.video_format.sample_aspect class MyPlayer(pyglet.window.Window):
def __init__(self,caption):
super(MyPlayer,self).__init__(caption=caption,resizable=True)
self.padding=10 #默认的间距以及长宽
self.width=50
self.height=30 #下面列出要显示的列表
self.drawable=[] #显示列表 #播放器
self.player=Player()
self.player.load_source('E:\music')
self.player.set_locate(0,self.padding*2+30) #播放器显示位置
self.player.get_and_set_video_size() #得到视频的大小并设置
self.player.EOS_NEXT='next' #按顺序进行播放
self.player.push_handlers(self) #播放/暂停控制按钮
self.play_pause_control=Button()
self.play_pause_control.width=50
self.play_pause_control.height=30
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
self.play_pause_control.button_text='play' #文本设置
self.play_pause_control.on_press=lambda:self.on_play_pause()
self.drawable.append(self.play_pause_control) #将这个按钮加入到显示列表中 #全屏控制按钮
self.isscreenfull=Button()
self.isscreenfull.width=50
self.isscreenfull.height=30
self.isscreenfull.set_size(self.padding*2+self.play_pause_control.width,self.padding,self.isscreenfull.width,self.isscreenfull.height)
self.isscreenfull.button_text='全屏'
self.isscreenfull.on_press=lambda: self.set_fullscreen(True)
self.drawable.append(self.isscreenfull) def on_draw(self):
self.clear()
#显示播放器
if self.player.source and self.player.source.video_format:
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 #画列表中所有的控制按钮
if self.drawable:
for draw_c in self.drawable:
draw_c.draw()
def on_mouse_press(self,x,y,button,modifiers):
for dc in self.drawable:
if dc.hit_test(x,y):
dc.on_mouse_press(x,y,button,modifiers)
def on_play_pause(self):
if self.player.playing:
self.player.pause()
self.play_pause_control.set_text('pause')
else:
if self.player.time > self.player.source.duration:
self.player.seek(0)
self.player.play()
self.play_pause_control.set_text('play')
def on_mouse_release(self,x,y,button,modifiers):
for dc in self.drawable:
if dc.hit_test(x,y):
dc.on_mouse_release(x,y,button,modifiers)
def on_resize(self,width,height):
super(MyPlayer,self).on_resize(width,height)
if self.player.source:
video_width,video_height=self.player.width,self.player.height display_aspect=width/float(height)
video_aspect=video_width/float(video_height) if video_aspect>display_aspect:
self.player.width=width
self.player.height=width/video_aspect
else:
self.player.height=height
self.player.width=height * video_aspect
self.player.x=(width-self.player.width)/2
self.player.y=(height-self.player.height)/2 if __name__ == "__main__":
wn=MyPlayer('my player')
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
wn.set_visible(True) #可见
wn.player.play()
pyglet.app.run()