video_codec_sdk/Samples/Utils/Metrics.h

/*

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#include <cuda_runtime.h>
#include <device_launch_parameters.h>  
#include <stdint.h>
#include <stdio.h>
#include <math.h>
#include "NvCodecUtils.h"

void calcPSNRY(uint8_t* ref, uint8_t* dis, uint32_t width, uint32_t height, uint32_t pitch, float &psnr);