better capture on windows

[imago.git] / camera.py

diff --git a/camera.py b/camera.py
index ec94787..7efacb4 100644 (file)
--- a/camera.py
+++ b/camera.py
@@ -3,17 +3,20 @@ import os
 if os.name == 'posix':
     
     import Image
 if os.name == 'posix':
     
     import Image

-    import cv
+    import cv2.cv as cv

 
     class Camera:
 
     class Camera:

-        def __init__(self):
-            self._cam = cv.CreateCameraCapture(0)
+        def __init__(self, device=0):
+            self._cam = cv.CaptureFromCAM(device)
+            print cv.GetCaptureProperty(self._cam, cv.CV_CAP_PROP_CONVERT_RGB)
+            cv.SetCaptureProperty(self._cam, cv.CV_CAP_PROP_CONVERT_RGB, True)

 
         def get_image(self):
 
         def get_image(self):

-            for _ in range(5): #HACK
-                im = cv.QueryFrame(self._cam)
+            for _ in range(8): #HACK
+                cv.QueryFrame(self._cam)
+            im = cv.QueryFrame(self._cam)

             # Add the line below if you need it (Ubuntu 8.04+)
             # Add the line below if you need it (Ubuntu 8.04+)

-            im = cv.GetMat(im)
+            #im = cv.GetMat(im)

             #convert Ipl image to PIL image
             return Image.fromstring("RGB", cv.GetSize(im), im.tostring())
         
             #convert Ipl image to PIL image
             return Image.fromstring("RGB", cv.GetSize(im), im.tostring())
         


@@ -24,12 +27,18 @@ if os.name == 'posix':
 elif os.name in ('ce', 'nt', 'dos'):
     
     from VideoCapture import Device
 elif os.name in ('ce', 'nt', 'dos'):
     
     from VideoCapture import Device

+    import time

 
     # TODO exception handling
     class Camera:
 
     # TODO exception handling
     class Camera:

-        def __init__(self):
+        def __init__(self, device=0):

             self._cam = Device()
             self._cam.setResolution(640, 480)
             self._cam = Device()
             self._cam.setResolution(640, 480)

+            #HACK to let the camera self-adjust:
+            print "The device is getting ready."
+            for _ in xrange(20):
+               self._cam.getImage()
+               time.sleep(0.5)

 
         def get_image(self):
             return self._cam.getImage()
 
         def get_image(self):
             return self._cam.getImage()