opencv（python）視頻圖片轉化

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# 視頻分解圖片
# 1 load 2 info 3 parse 4 imshow imwrite
import cv2
cap = cv2.VideoCapture("1.mp4")                 # 獲取一個視頻打開cap 1 file name
isOpened = cap.isOpened                         # 判斷是否打開‘
print(isOpened)
fps = cap.get(cv2.CAP_PROP_FPS)                 # 幀率 一秒多少張圖片  
width = int(cap.get(cv2.CAP_PROP_FRAME_WIDTH))  # w  h
height = int(cap.get(cv2.CAP_PROP_FRAME_HEIGHT))
print(fps,width,height)
i = 0
while(isOpened):
    if i == 10:
        break
    else:
        i = i+1
    (flag,frame) = cap.read()                   # 讀取每一張 flag frame
    fileName = 'image'+str(i)+'.jpg'
    print(fileName)
    if flag == True:
        cv2.imwrite(fileName,frame,[cv2.IMWRITE_JPEG_QUALITY,100])
print('end!')

# 圖片合成視頻（合成流暢視頻一秒最低15張）
import cv2
img = cv2.imread('image1.jpg')
imgInfo = img.shape
size = (imgInfo[1],imgInfo[0])
print(size)
fourcc = cv2.VideoWriter_fourcc(*'DIVX') 
videoWrite = cv2.VideoWriter('2.mp4',fourcc,5,size,False)# 寫入對象 1 file name 2 編碼器 3 幀率 4 size
for i in range(1,11):
    fileName = 'image'+str(i)+'.jpg'
    img = cv2.imread(fileName)
    videoWrite.write(img)                                # 寫入方法 1 jpg data
print('end!')