python 简单照相机调用系统摄像头实现方法 pygame_Python

如下所示：

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									# -*- coding: utf-8 -*- 

									from videocapture import device 

									import time 

									import pygame 

									from pygame.locals import *

									import sys

									pygame.init() 

									size = width, height = 620, 485

									print size

									speed = [2, 2] 

									black = 0, 0, 0

									if pygame.display.get_init():

									 print ("inited")

									else:

									 print"notinit"

									pygame.display.set_caption('1111') 

									screen = pygame.display.set_mode((600,500))

									sleep_time_long = 0.0

									cam = device(devnum=0, showvideowindow=0) 

									print cam  

									filename = "test.jpg"

									while true: 

									 for event in pygame.event.get():

									   if event.type== quit:

									    sys.exit()

									   elif event.type== keydown:

									    key = pygame.key.get_pressed()

									    if key[97]:

									     filename = "test" + int(time.time()//1).__str__()+".jpg"

									     print filename

									     cam.savesnapshot(filename, timestamp=3, boldfont=1, quality=55) 

									   elif event.type== mousebuttondown:

									    pass

									   elif event.type== mousemotion:

									    pass

									   elif event.type== mousebuttonup:

									    pass

									  #cam.getimage(0, 0, "bl")

									 cmd="shut"

									 image = pygame.image.load(filename)

									 #screen.fill(0,0,200)

									 screen.blit(image, (0,0))

									 pygame.display.update()

									 time.sleep(sleep_time_long)