我想用Python编写一个简单的程序,它使用pyvirtualcam和OBS虚拟Cam,它只需从网络摄像头中获取图像并将其镜像输出到OBS虚拟Cam。遗憾的是,我不知道如何将图像从cv2转换为RGBA NP阵列。这是我的代码:
import cv2
import pyvirtualcam
import numpy as np
cap = cv2.VideoCapture(0)
cv2.namedWindow('frame',cv2.WINDOW_NORMAL)
cv2.resizeWindow('frame', 800,800)
with pyvirtualcam.Camera(width=1280, height=720, fps=30) as cam:
while(cap.isOpened()):
ret, frame = cap.read()
print(frame.shape)
cv2.imshow('frame',frame)
cam.send(frame)
cam.sleep_until_next_frame()
if cv2.waitKey(1) & 0xFF == ord('q'):
break
cap.release()
cv2.destroyAllWindows()
我得到了这个错误:
Traceback (most recent call last):
File "C:/Users/Ditin2/Desktop/test_cam.py", line 33, in <module>
cam.send(frame)
File "C:\Users\Ditin2\AppData\Local\Programs\Python\Python38-32\lib\site-packages\pyvirtualcam\camera.py", line 94, in send
_native_windows.send(frame)
RuntimeError: frame must have 4 channels (rgba)
假设
frame
为RGB格式,您可以使用以下方法将其转换为RGBA:请注意,如果
frame
在BGR中,我怀疑是这样(我非常确定cap.read()在BGR中返回图像),您将需要使用:相关问题 更多 >
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