opencv python的视频录制
时间: 2023-10-06 19:07:00 浏览: 52
使用Python的OpenCV库可以实现视频录制。下面是一个示例代码,可以通过摄像头录制视频并保存为MP4格式的文件:
```python
import cv2 as cv
# 打开摄像头
cap = cv.VideoCapture(0)
# 定义视频编码格式
fourcc = cv.VideoWriter_fourcc(*'***4v')
# 创建视频写入对象
lz = cv.VideoWriter('D:/output.mp4', fourcc, 30, (640, 480))
while cap.isOpened():
# 读取每一帧
ret, frame = cap.read()
# 如果没有读取到帧,退出循环
if not ret:
break
# 写入每一帧
lz.write(frame)
cv.imshow('frame', frame)
if cv.waitKey(1) == ord('q'):
break
# 释放资源
cap.release()
lz.release()
cv.destroyAllWindows()
```
请注意,这只是一个简单的示例代码,实际操作中可能需要根据具体需求进行调整。例如,可以修改输出文件路径、视频编码格式、帧率和分辨率等参数来满足自己的需求。同时,还需要确保计算机上已经正确安装了OpenCV库。<span class="em">1</span><span class="em">2</span>
#### 引用[.reference_title]
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