擅长:python、mysql、java
<p>我对两个lifecam studio摄像头也有同样的问题。经过一点阅读,我认为这个问题与USB总线上的带宽过载有关。如果I 1.)降低分辨率(每台320 x 240)或2.)降低帧速率(800 x 600时约99毫秒),则两台摄像机都开始工作。附件是让我工作的代码:</p>
<pre><code>import cv
cv.NamedWindow("Camera 1")
cv.NamedWindow("Camera 2")
video1 = cv.CaptureFromCAM(0)
cv.SetCaptureProperty(video1, cv.CV_CAP_PROP_FRAME_WIDTH, 800)
cv.SetCaptureProperty(video1, cv.CV_CAP_PROP_FRAME_HEIGHT, 600)
video2 = cv.CaptureFromCAM(1)
cv.SetCaptureProperty(video2, cv.CV_CAP_PROP_FRAME_WIDTH, 800)
cv.SetCaptureProperty(video2, cv.CV_CAP_PROP_FRAME_HEIGHT, 600)
loop = True
while(loop == True):
frame1 = cv.QueryFrame(video1)
frame2 = cv.QueryFrame(video2)
cv.ShowImage("Camera 1", frame1)
cv.ShowImage("Camera 2", frame2)
char = cv.WaitKey(99)
if (char == 27):
loop = False
cv.DestroyWindow("Camera 1")
cv.DestroyWindow("Camera 2")
</code></pre>