How to get the buffer after using Filter?

[HelloWilliam]

Now I can get the origin buffer with GPUImageVideoCameraDelegate.

How to get the new buffer after using Filter?

[Zuozihao]

Now I can get the origin buffer with GPUImageVideoCameraDelegate.

How to get the new buffer after using Filter?

any solution?

[MoWangChen]

[self.filter setFrameProcessingCompletionBlock:^(GPUImageOutput *output, CMTime time) {
GPUImageFramebuffer *imageFramebuffer = output.framebufferForOutput;
CVPixelBufferRef pixelBuffer = [imageFramebuffer renderTarget];
}];

// imageFramebuffer->renderTarget is a private ivar.