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您好,想问下美颜怎么做的 #80

@yimao009

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@yimao009

您好; 我们项目使用的是第三方的音视频;
第三方音视频提供了视频发送前的yuv420数据 ;

libyuv::I420ToARGB((uint8_t *)videoFrame.yBuffer, videoFrame.yStride, (uint8_t *)videoFrame.uBuffer, videoFrame.uStride, (uint8_t *)videoFrame.vBuffer, videoFrame.vStride, bgra, bgra_stride, videoFrame.width, videoFrame.height);
我使用libyuv转成了argb
CVPixelBufferRef bgraCVPixelBuffer = [bgraUtil rawBGRADataToCVPixelBuffer:bgra width:videoFrame.width height:videoFrame.height rotate:-M_PI_2];
接着又转成了CVPixelBufferRef; 这个怎么使用GPUImage美颜; 或者您项目里那个美颜滤镜什么的没看懂啊;

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