133cfdeb7b267ab635413797fffb046b73272f7ecHendrik Dahlkamp/* 233cfdeb7b267ab635413797fffb046b73272f7ecHendrik Dahlkamp * Copyright 2012 The LibYuv Project Authors. All rights reserved. 333cfdeb7b267ab635413797fffb046b73272f7ecHendrik Dahlkamp * 433cfdeb7b267ab635413797fffb046b73272f7ecHendrik Dahlkamp * Use of this source code is governed by a BSD-style license 533cfdeb7b267ab635413797fffb046b73272f7ecHendrik Dahlkamp * that can be found in the LICENSE file in the root of the source 633cfdeb7b267ab635413797fffb046b73272f7ecHendrik Dahlkamp * tree. An additional intellectual property rights grant can be found 733cfdeb7b267ab635413797fffb046b73272f7ecHendrik Dahlkamp * in the file PATENTS. All contributing project authors may 833cfdeb7b267ab635413797fffb046b73272f7ecHendrik Dahlkamp * be found in the AUTHORS file in the root of the source tree. 933cfdeb7b267ab635413797fffb046b73272f7ecHendrik Dahlkamp */ 1033cfdeb7b267ab635413797fffb046b73272f7ecHendrik Dahlkamp 1133cfdeb7b267ab635413797fffb046b73272f7ecHendrik Dahlkamp#include <stdio.h> 1233cfdeb7b267ab635413797fffb046b73272f7ecHendrik Dahlkamp#include <stdlib.h> 1333cfdeb7b267ab635413797fffb046b73272f7ecHendrik Dahlkamp#include <string.h> 1433cfdeb7b267ab635413797fffb046b73272f7ecHendrik Dahlkamp#include <time.h> 1533cfdeb7b267ab635413797fffb046b73272f7ecHendrik Dahlkamp 1633cfdeb7b267ab635413797fffb046b73272f7ecHendrik Dahlkamp#include "libyuv/basic_types.h" 1733cfdeb7b267ab635413797fffb046b73272f7ecHendrik Dahlkamp#include "libyuv/compare.h" 1833cfdeb7b267ab635413797fffb046b73272f7ecHendrik Dahlkamp#include "libyuv/version.h" 1933cfdeb7b267ab635413797fffb046b73272f7ecHendrik Dahlkamp 2033cfdeb7b267ab635413797fffb046b73272f7ecHendrik Dahlkampint main(int argc, char** argv) { 2133cfdeb7b267ab635413797fffb046b73272f7ecHendrik Dahlkamp if (argc < 1) { 2233cfdeb7b267ab635413797fffb046b73272f7ecHendrik Dahlkamp printf("libyuv compare v%d\n", LIBYUV_VERSION); 2333cfdeb7b267ab635413797fffb046b73272f7ecHendrik Dahlkamp printf("compare file1.yuv file2.yuv\n"); 2433cfdeb7b267ab635413797fffb046b73272f7ecHendrik Dahlkamp return -1; 2533cfdeb7b267ab635413797fffb046b73272f7ecHendrik Dahlkamp } 2633cfdeb7b267ab635413797fffb046b73272f7ecHendrik Dahlkamp char* name1 = argv[1]; 2733cfdeb7b267ab635413797fffb046b73272f7ecHendrik Dahlkamp char* name2 = (argc > 2) ? argv[2] : NULL; 2833cfdeb7b267ab635413797fffb046b73272f7ecHendrik Dahlkamp FILE* fin1 = fopen(name1, "rb"); 2933cfdeb7b267ab635413797fffb046b73272f7ecHendrik Dahlkamp FILE* fin2 = name2 ? fopen(name2, "rb") : NULL; 3033cfdeb7b267ab635413797fffb046b73272f7ecHendrik Dahlkamp 3133cfdeb7b267ab635413797fffb046b73272f7ecHendrik Dahlkamp const int kBlockSize = 32768; 3233cfdeb7b267ab635413797fffb046b73272f7ecHendrik Dahlkamp uint8 buf1[kBlockSize]; 3333cfdeb7b267ab635413797fffb046b73272f7ecHendrik Dahlkamp uint8 buf2[kBlockSize]; 3433cfdeb7b267ab635413797fffb046b73272f7ecHendrik Dahlkamp uint32 hash1 = 5381; 3533cfdeb7b267ab635413797fffb046b73272f7ecHendrik Dahlkamp uint32 hash2 = 5381; 3633cfdeb7b267ab635413797fffb046b73272f7ecHendrik Dahlkamp uint64 sum_square_err = 0; 3733cfdeb7b267ab635413797fffb046b73272f7ecHendrik Dahlkamp uint64 size_min = 0; 3833cfdeb7b267ab635413797fffb046b73272f7ecHendrik Dahlkamp int amt1 = 0; 3933cfdeb7b267ab635413797fffb046b73272f7ecHendrik Dahlkamp int amt2 = 0; 4033cfdeb7b267ab635413797fffb046b73272f7ecHendrik Dahlkamp do { 4133cfdeb7b267ab635413797fffb046b73272f7ecHendrik Dahlkamp amt1 = fread(buf1, 1, kBlockSize, fin1); 4233cfdeb7b267ab635413797fffb046b73272f7ecHendrik Dahlkamp if (amt1 > 0) hash1 = libyuv::HashDjb2(buf1, amt1, hash1); 4333cfdeb7b267ab635413797fffb046b73272f7ecHendrik Dahlkamp if (fin2) { 4433cfdeb7b267ab635413797fffb046b73272f7ecHendrik Dahlkamp amt2 = fread(buf2, 1, kBlockSize, fin2); 4533cfdeb7b267ab635413797fffb046b73272f7ecHendrik Dahlkamp if (amt2 > 0) hash2 = libyuv::HashDjb2(buf2, amt2, hash2); 4633cfdeb7b267ab635413797fffb046b73272f7ecHendrik Dahlkamp int amt_min = (amt1 < amt2) ? amt1 : amt2; 4733cfdeb7b267ab635413797fffb046b73272f7ecHendrik Dahlkamp size_min += amt_min; 4833cfdeb7b267ab635413797fffb046b73272f7ecHendrik Dahlkamp sum_square_err += libyuv::ComputeSumSquareError(buf1, buf2, amt_min); 4933cfdeb7b267ab635413797fffb046b73272f7ecHendrik Dahlkamp } 5033cfdeb7b267ab635413797fffb046b73272f7ecHendrik Dahlkamp } while (amt1 > 0 || amt2 > 0); 5133cfdeb7b267ab635413797fffb046b73272f7ecHendrik Dahlkamp 5233cfdeb7b267ab635413797fffb046b73272f7ecHendrik Dahlkamp printf("hash1 %x", hash1); 5333cfdeb7b267ab635413797fffb046b73272f7ecHendrik Dahlkamp if (fin2) { 5433cfdeb7b267ab635413797fffb046b73272f7ecHendrik Dahlkamp printf(", hash2 %x", hash2); 5533cfdeb7b267ab635413797fffb046b73272f7ecHendrik Dahlkamp double mse = static_cast<double>(sum_square_err) / 5633cfdeb7b267ab635413797fffb046b73272f7ecHendrik Dahlkamp static_cast<double>(size_min); 5733cfdeb7b267ab635413797fffb046b73272f7ecHendrik Dahlkamp printf(", mse %.2f", mse); 5833cfdeb7b267ab635413797fffb046b73272f7ecHendrik Dahlkamp double psnr = libyuv::SumSquareErrorToPsnr(sum_square_err, size_min); 5933cfdeb7b267ab635413797fffb046b73272f7ecHendrik Dahlkamp printf(", psnr %.2f\n", psnr); 6033cfdeb7b267ab635413797fffb046b73272f7ecHendrik Dahlkamp fclose(fin2); 6133cfdeb7b267ab635413797fffb046b73272f7ecHendrik Dahlkamp } 6233cfdeb7b267ab635413797fffb046b73272f7ecHendrik Dahlkamp fclose(fin1); 6333cfdeb7b267ab635413797fffb046b73272f7ecHendrik Dahlkamp} 6433cfdeb7b267ab635413797fffb046b73272f7ecHendrik Dahlkamp 65