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《周星星教你学ffmpeg》技巧
ipp源码:
{
IppiSize srcsz={width,height}, dstroi={desWidth,desHeight};
IppiRect srcroi={0,0,width,height};
// IppiSize roi = {desWidth,desHeight};
IppStatus is =ippiResize_8u_C3R( pin, srcsz, WLEN(width,24), srcroi, pout, WLEN(desWidth,24), dstroi,(double)desWidth/(double)width, (double)desHeight/(double)height, /*IPPI_INTER_NN*/IPPI_INTER_LINEAR );
if(is != ippStsNoErr)
{
return;
//convert error
}
}
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