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
 
# 創建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()