OpenCV内存不足错误

Question

我使用多个用户生成的视频来处理视频合成项目。下面是我的代码

df=pd.concat(user,axis=1) 
#print df 

dfs= df.loc[:, (slice(None), ['Panning','sec'])] 


video_index=0 
cap=cv2.VideoCapture(videoList[0]) 

fra=[] 
fourcc = cv2.VideoWriter_fourcc(*'DIVX') 
out = cv2.VideoWriter("Output.avi", fourcc, fps, (width, height), True) 
while(cap.isOpened()): 
    ret,frame=cap.read() 
    fra.append(frame) 

    for index,row in dfs.iterrows(): 
      if (row[:, 'Panning'] == 'Panning').any(): 
       idx = row[:, 'Panning'][row[:, 'Panning'] == 'Panning'].index.tolist() 
       sec = int(row.loc[(idx, 'sec')].values.tolist()[0]) 
       if cap.get(0)==1000*sec: 
        cap = cv2.VideoCapture(videoList[indices.index(random.choice(idx))]) 
        cap.set(0, sec * 1000) 
        ret, frame = cap.read() 
        fra.append(frame) 
      else: 

       ret,frame=cap.read() 
       fra.append(frame) 
       if frame is None: 
        video_index += 1 
        if video_index == len(videoList): 
         break 
        cap = cv2.VideoCapture(videoList[indices.index(long_dur())]) 

        cap.set(0,1000*sec) 
        ret, frame = cap.read() 
        fra.append(frame) 

当我尝试运行我收到以下错误：

OpenCV Error: Unspecified error (The numpy array of typenum=2, ndims=3 can not be created) in NumpyAllocator::allocate, file ..\..\..\modules\python\src2\cv2.cpp, line 184 
OpenCV Error: Insufficient memory (Failed to allocate 6220800 bytes) in cv::OutOfMemoryError, file ..\..\..\modules\core\src\alloc.cpp, line 52 
Traceback (most recent call last): 
File "C:/Users/chaitanya/PycharmProjects/Thesis/ROI.py", line 86, in <module> 
    ret,frame=cap.read() 
cv2.error: ..\..\..\modules\core\src\alloc.cpp:52: error: (-4) Failed to allocate 6220800 bytes in function cv::OutOfMemoryError 

我无法理解的问题。我需要关于此错误的帮助

Answer 1

您正在不断将帧添加到fra阵列。迟早你会以这种方式完成你的RAM，那就是发生了什么。