Python-OpenCV读取并保存视频

概述importcv2#cap=cv2.VideoCapture('action.mp4')#读取指定视频cap=cv2.VideoCapture(0)fourcc=cv2.VideoWriter_fourcc(*'XVID')#fps=cap.get(cv2.CAP_PROP_FPS)#保证摄像头的输出与保存的视频尺寸大小相同size=(int(cap.get(cv2.CAP_PROP_FRAME_WIDTH)

import cv2# cap = cv2.VIDeoCapture('action.mp4') #读取指定视频cap = cv2.VIDeoCapture(0)fourcc = cv2.VIDeoWriter_fourcc(*'XVID')# fps = cap.get(cv2.CAP_PROP_FPS)# 保证摄像头的输出与保存的视频尺寸大小相同size = (int(cap.get(cv2.CAP_PROP_FRAME_WIDTH)), int(cap.get(cv2.CAP_PROP_FRAME_HEIGHT)))out = cv2.VIDeoWriter('camera_test.avi', fourcc, 10.0, size)while True:    ret, frame = cap.read()    # 在图像上显示 Press Q to save and quit    cv2.putText(frame, "Press Q to save and quit",                (10, 30), cv2.Font_HERShey_SIMPLEX, 0.8, (0, 255, 0), 2)    cv2.imshow('frame', frame)    out.write(frame)    if cv2.waitKey(1) & 0xFF == ord('q'):        breakcap.release()out.release()cv2.destroyAllwindows()

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