fps test code added

src/test code for fps/python/v4l2_capture_read.py

@@ -0,0 +1,39 @@
+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
+
+
+
+
+
+
+