1.opencv库简单操作视频
# coding = utf-8 # Getting Started with Videos import cv2 import numpy as np # 创建捕获视频对象 cap = cv2.VideoCapture('偶像宣言(第001集)[流畅].mp4') # if you want to save it, must do these # fourcc = cv2.VideoWriter_fourcc(*'XVID') # out = cv2.VideoWriter('output.avi', fourcc, 20.0, (640, 480)) while cap.isOpened(): # 读取每帧，返回读取结果（True or False）和帧对象 ret, frame = cap.read() # 处理每帧图片 gray = cv2.cvtColor(frame, cv2.COLOR_BGR2BGRA) gray = cv2.flip(gray, 0) # 展示每帧图片 cv2.imshow('frame', gray) # out.write(gray) # 每帧之间的过渡时间 if cv2.waitKey(100) == ord('q'): break cap.release() # out.release() cv2.destroyAllWindows()