from PIL import Image
import select
import v4l2capture,time
import subprocess
import Queue,cv2

video = v4l2capture.Video_device("/dev/video0")
#q=Queue.Queue()
size_x, size_y = video.set_format(640, 480)

video.create_buffers(5)

#subprocess.check_call("v4l2-ctl -d /dev/video0 -c exposure_absolute=1/10",shell=True) # adjusting exposure time to 100 micro sec

video.queue_all_buffers()

video.start()


c=0
t_s=time.time() + 60
while time.time() < t_s:
   select.select((video,), (), ())
   
   image_data = video.read_and_queue()
   c=c+1
   #image = Image.frombytes("RGB", (size_x, size_y), image_data)
   #image.save("images/image%d.tiff" %c)
   
video.close()

print c