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FVID2_Frame帧结构如何直接对图像处理?



FVID2_Frame类型结构addr中保存了图像帧。我想对某一区域赋值,单一直编译报错

比如  :

FVID2_Frame frame

for(int i=300;i<500;i++)

*(frame->addr[0][0]+i)=0;

请问这样写为何会有问题?