Opencv保存視頻

""" 保存視頻 保存視頻接口：<VideoWriter object> = cv.VideoWriter( filename, fourcc, fps, frameSize[, isColor] ) 參數說明： filename:要保存的視頻名稱和路徑（data/outVideo.mp4） fourcc:視頻編碼器 fps:幀率 framesize:幀數大小 isColor:True彩色，False灰度視頻， 默認True """
import cv2 cap = cv2.VideoCapture('data/1.mp4')  # 要讀取的視頻 0、1 本地相機或外接相機
 
# 建立VideoWriter類對象
fourcc = cv2.VideoWriter_fourcc(*'XVID') fps = cap.get(cv2.CAP_PROP_FPS) size = (int(cap.get(cv2.CAP_PROP_FRAME_WIDTH)), int(cap.get(cv2.CAP_PROP_FRAME_HEIGHT))) out = cv2.VideoWriter('data/outVideo.mp4', fourcc, fps, size) # 讀取視頻流
while cap.isOpened(): ret, frame = cap.read()  # 獲取一幀圖像
    if ret: frame = cv2.flip(frame, 1)  # 調整方向，可不寫
        out.write(frame)  # 寫入視頻對象
        # 顯示讀取視頻
        cv2.imshow('frame', frame) # q鍵關閉
        if cv2.waitKey(1) & 0xFF == ord('q'): break
    else: break
 
# 關閉流
cap.release() out.release() cv2.destroyAllWindows()