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634 lines
21 KiB
634 lines
21 KiB
/*
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* Copyright 2013 The LibYuv Project Authors. All rights reserved.
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*
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* Use of this source code is governed by a BSD-style license
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* that can be found in the LICENSE file in the root of the source
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* tree. An additional intellectual property rights grant can be found
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* in the file PATENTS. All contributing project authors may
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* be found in the AUTHORS file in the root of the source tree.
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*/
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// Get PSNR or SSIM for video sequence. Assuming RAW 4:2:0 Y:Cb:Cr format
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// To build: g++ -O3 -o psnr psnr.cc ssim.cc psnr_main.cc
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// or VisualC: cl /Ox psnr.cc ssim.cc psnr_main.cc
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//
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// To enable OpenMP and SSE2
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// gcc: g++ -msse2 -O3 -fopenmp -o psnr psnr.cc ssim.cc psnr_main.cc
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// vc: cl /arch:SSE2 /Ox /openmp psnr.cc ssim.cc psnr_main.cc
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//
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// Usage: psnr org_seq rec_seq -s width height [-skip skip_org skip_rec]
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#ifndef _CRT_SECURE_NO_WARNINGS
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#define _CRT_SECURE_NO_WARNINGS
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#endif
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#include <stddef.h>
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#include <stdio.h>
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#include <stdlib.h>
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#include <string.h>
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#ifdef _OPENMP
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#include <omp.h>
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#endif
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#include "./psnr.h"
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#include "./ssim.h"
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#ifdef HAVE_JPEG
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#include "libyuv/compare.h"
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#include "libyuv/convert.h"
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#endif
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struct metric {
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double y, u, v, all;
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double min_y, min_u, min_v, min_all;
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double global_y, global_u, global_v, global_all;
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int min_frame;
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};
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// options
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bool verbose = false;
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bool quiet = false;
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bool show_name = false;
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bool do_swap_uv = false;
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bool do_psnr = false;
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bool do_ssim = false;
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bool do_mse = false;
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bool do_lssim = false;
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int image_width = 0, image_height = 0;
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int fileindex_org = 0; // argv argument contains the source file name.
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int fileindex_rec = 0; // argv argument contains the destination file name.
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int num_rec = 0;
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int num_skip_org = 0;
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int num_skip_rec = 0;
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int num_frames = 0;
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#ifdef _OPENMP
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int num_threads = 0;
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#endif
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// Parse PYUV format. ie name.1920x800_24Hz_P420.yuv
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bool ExtractResolutionFromFilename(const char* name,
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int* width_ptr,
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int* height_ptr) {
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// Isolate the .width_height. section of the filename by searching for a
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// dot or underscore followed by a digit.
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for (int i = 0; name[i]; ++i) {
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if ((name[i] == '.' || name[i] == '_') && name[i + 1] >= '0' &&
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name[i + 1] <= '9') {
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int n = sscanf(name + i + 1, "%dx%d", width_ptr, height_ptr); // NOLINT
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if (2 == n) {
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return true;
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}
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}
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}
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#ifdef HAVE_JPEG
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// Try parsing file as a jpeg.
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FILE* const file_org = fopen(name, "rb");
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if (file_org == NULL) {
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fprintf(stderr, "Cannot open %s\n", name);
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return false;
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}
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fseek(file_org, 0, SEEK_END);
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size_t total_size = ftell(file_org);
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fseek(file_org, 0, SEEK_SET);
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uint8_t* const ch_org = new uint8_t[total_size];
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memset(ch_org, 0, total_size);
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size_t bytes_org = fread(ch_org, sizeof(uint8_t), total_size, file_org);
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fclose(file_org);
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if (bytes_org == total_size) {
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if (0 == libyuv::MJPGSize(ch_org, total_size, width_ptr, height_ptr)) {
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delete[] ch_org;
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return true;
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}
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}
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delete[] ch_org;
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#endif // HAVE_JPEG
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return false;
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}
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// Scale Y channel from 16..240 to 0..255.
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// This can be useful when comparing codecs that are inconsistant about Y
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uint8_t ScaleY(uint8_t y) {
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int ny = (y - 16) * 256 / 224;
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if (ny < 0) {
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ny = 0;
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}
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if (ny > 255) {
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ny = 255;
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}
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return static_cast<uint8_t>(ny);
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}
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// MSE = Mean Square Error
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double GetMSE(double sse, double size) {
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return sse / size;
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}
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void PrintHelp(const char* program) {
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printf("%s [-options] org_seq rec_seq [rec_seq2.. etc]\n", program);
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#ifdef HAVE_JPEG
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printf("jpeg or raw YUV 420 supported.\n");
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#endif
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printf("options:\n");
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printf(
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" -s <width> <height> .... specify YUV size, mandatory if none of the "
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"sequences have the\n");
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printf(
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" resolution embedded in their filename (ie. "
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"name.1920x800_24Hz_P420.yuv)\n");
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printf(" -psnr .................. compute PSNR (default)\n");
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printf(" -ssim .................. compute SSIM\n");
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printf(" -mse ................... compute MSE\n");
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printf(" -swap .................. Swap U and V plane\n");
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printf(" -skip <org> <rec> ...... Number of frame to skip of org and rec\n");
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printf(" -frames <num> .......... Number of frames to compare\n");
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#ifdef _OPENMP
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printf(" -t <num> ............... Number of threads\n");
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#endif
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printf(" -n ..................... Show file name\n");
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printf(" -v ..................... verbose++\n");
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printf(" -q ..................... quiet\n");
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printf(" -h ..................... this help\n");
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exit(0);
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}
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void ParseOptions(int argc, const char* argv[]) {
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if (argc <= 1) {
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PrintHelp(argv[0]);
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}
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for (int c = 1; c < argc; ++c) {
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if (!strcmp(argv[c], "-v")) {
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verbose = true;
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} else if (!strcmp(argv[c], "-q")) {
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quiet = true;
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} else if (!strcmp(argv[c], "-n")) {
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show_name = true;
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} else if (!strcmp(argv[c], "-psnr")) {
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do_psnr = true;
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} else if (!strcmp(argv[c], "-mse")) {
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do_mse = true;
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} else if (!strcmp(argv[c], "-ssim")) {
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do_ssim = true;
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} else if (!strcmp(argv[c], "-lssim")) {
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do_ssim = true;
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do_lssim = true;
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} else if (!strcmp(argv[c], "-swap")) {
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do_swap_uv = true;
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} else if (!strcmp(argv[c], "-h") || !strcmp(argv[c], "-help")) {
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PrintHelp(argv[0]);
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} else if (!strcmp(argv[c], "-s") && c + 2 < argc) {
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image_width = atoi(argv[++c]); // NOLINT
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image_height = atoi(argv[++c]); // NOLINT
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} else if (!strcmp(argv[c], "-skip") && c + 2 < argc) {
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num_skip_org = atoi(argv[++c]); // NOLINT
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num_skip_rec = atoi(argv[++c]); // NOLINT
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} else if (!strcmp(argv[c], "-frames") && c + 1 < argc) {
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num_frames = atoi(argv[++c]); // NOLINT
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#ifdef _OPENMP
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} else if (!strcmp(argv[c], "-t") && c + 1 < argc) {
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num_threads = atoi(argv[++c]); // NOLINT
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#endif
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} else if (argv[c][0] == '-') {
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fprintf(stderr, "Unknown option. %s\n", argv[c]);
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} else if (fileindex_org == 0) {
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fileindex_org = c;
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} else if (fileindex_rec == 0) {
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fileindex_rec = c;
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num_rec = 1;
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} else {
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++num_rec;
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}
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}
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if (fileindex_org == 0 || fileindex_rec == 0) {
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fprintf(stderr, "Missing filenames\n");
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PrintHelp(argv[0]);
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}
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if (num_skip_org < 0 || num_skip_rec < 0) {
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fprintf(stderr, "Skipped frames incorrect\n");
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PrintHelp(argv[0]);
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}
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if (num_frames < 0) {
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fprintf(stderr, "Number of frames incorrect\n");
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PrintHelp(argv[0]);
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}
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if (image_width == 0 || image_height == 0) {
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int org_width, org_height;
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int rec_width, rec_height;
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bool org_res_avail = ExtractResolutionFromFilename(argv[fileindex_org],
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&org_width, &org_height);
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bool rec_res_avail = ExtractResolutionFromFilename(argv[fileindex_rec],
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&rec_width, &rec_height);
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if (org_res_avail) {
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if (rec_res_avail) {
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if ((org_width == rec_width) && (org_height == rec_height)) {
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image_width = org_width;
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image_height = org_height;
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} else {
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fprintf(stderr, "Sequences have different resolutions.\n");
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PrintHelp(argv[0]);
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}
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} else {
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image_width = org_width;
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image_height = org_height;
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}
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} else if (rec_res_avail) {
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image_width = rec_width;
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image_height = rec_height;
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} else {
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fprintf(stderr, "Missing dimensions.\n");
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PrintHelp(argv[0]);
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}
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}
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}
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bool UpdateMetrics(uint8_t* ch_org,
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uint8_t* ch_rec,
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const int y_size,
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const int uv_size,
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const size_t total_size,
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int number_of_frames,
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metric* cur_distortion_psnr,
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metric* distorted_frame,
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bool do_psnr) {
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const int uv_offset = (do_swap_uv ? uv_size : 0);
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const uint8_t* const u_org = ch_org + y_size + uv_offset;
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const uint8_t* const u_rec = ch_rec + y_size;
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const uint8_t* const v_org = ch_org + y_size + (uv_size - uv_offset);
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const uint8_t* const v_rec = ch_rec + y_size + uv_size;
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if (do_psnr) {
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#ifdef HAVE_JPEG
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double y_err = static_cast<double>(
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libyuv::ComputeSumSquareError(ch_org, ch_rec, y_size));
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double u_err = static_cast<double>(
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libyuv::ComputeSumSquareError(u_org, u_rec, uv_size));
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double v_err = static_cast<double>(
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libyuv::ComputeSumSquareError(v_org, v_rec, uv_size));
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#else
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double y_err = ComputeSumSquareError(ch_org, ch_rec, y_size);
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double u_err = ComputeSumSquareError(u_org, u_rec, uv_size);
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double v_err = ComputeSumSquareError(v_org, v_rec, uv_size);
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#endif
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const double total_err = y_err + u_err + v_err;
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cur_distortion_psnr->global_y += y_err;
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cur_distortion_psnr->global_u += u_err;
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cur_distortion_psnr->global_v += v_err;
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cur_distortion_psnr->global_all += total_err;
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distorted_frame->y = ComputePSNR(y_err, static_cast<double>(y_size));
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distorted_frame->u = ComputePSNR(u_err, static_cast<double>(uv_size));
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distorted_frame->v = ComputePSNR(v_err, static_cast<double>(uv_size));
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distorted_frame->all =
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ComputePSNR(total_err, static_cast<double>(total_size));
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} else {
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distorted_frame->y = CalcSSIM(ch_org, ch_rec, image_width, image_height);
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distorted_frame->u =
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CalcSSIM(u_org, u_rec, (image_width + 1) / 2, (image_height + 1) / 2);
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distorted_frame->v =
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CalcSSIM(v_org, v_rec, (image_width + 1) / 2, (image_height + 1) / 2);
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distorted_frame->all =
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(distorted_frame->y + distorted_frame->u + distorted_frame->v) /
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total_size;
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distorted_frame->y /= y_size;
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distorted_frame->u /= uv_size;
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distorted_frame->v /= uv_size;
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if (do_lssim) {
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distorted_frame->all = CalcLSSIM(distorted_frame->all);
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distorted_frame->y = CalcLSSIM(distorted_frame->y);
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distorted_frame->u = CalcLSSIM(distorted_frame->u);
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distorted_frame->v = CalcLSSIM(distorted_frame->v);
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}
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}
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cur_distortion_psnr->y += distorted_frame->y;
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cur_distortion_psnr->u += distorted_frame->u;
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cur_distortion_psnr->v += distorted_frame->v;
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cur_distortion_psnr->all += distorted_frame->all;
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bool ismin = false;
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if (distorted_frame->y < cur_distortion_psnr->min_y) {
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cur_distortion_psnr->min_y = distorted_frame->y;
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}
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if (distorted_frame->u < cur_distortion_psnr->min_u) {
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cur_distortion_psnr->min_u = distorted_frame->u;
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}
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if (distorted_frame->v < cur_distortion_psnr->min_v) {
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cur_distortion_psnr->min_v = distorted_frame->v;
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}
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if (distorted_frame->all < cur_distortion_psnr->min_all) {
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cur_distortion_psnr->min_all = distorted_frame->all;
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cur_distortion_psnr->min_frame = number_of_frames;
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ismin = true;
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}
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return ismin;
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}
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int main(int argc, const char* argv[]) {
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ParseOptions(argc, argv);
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if (!do_psnr && !do_ssim) {
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do_psnr = true;
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}
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#ifdef _OPENMP
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if (num_threads) {
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omp_set_num_threads(num_threads);
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}
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if (verbose) {
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printf("OpenMP %d procs\n", omp_get_num_procs());
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}
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#endif
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// Open original file (first file argument)
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FILE* const file_org = fopen(argv[fileindex_org], "rb");
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if (file_org == NULL) {
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fprintf(stderr, "Cannot open %s\n", argv[fileindex_org]);
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exit(1);
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}
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// Open all files to compare to
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FILE** file_rec = new FILE*[num_rec];
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memset(file_rec, 0, num_rec * sizeof(FILE*)); // NOLINT
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for (int cur_rec = 0; cur_rec < num_rec; ++cur_rec) {
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file_rec[cur_rec] = fopen(argv[fileindex_rec + cur_rec], "rb");
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if (file_rec[cur_rec] == NULL) {
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fprintf(stderr, "Cannot open %s\n", argv[fileindex_rec + cur_rec]);
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fclose(file_org);
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for (int i = 0; i < cur_rec; ++i) {
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fclose(file_rec[i]);
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}
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delete[] file_rec;
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exit(1);
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}
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}
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const int y_size = image_width * image_height;
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const int uv_size = ((image_width + 1) / 2) * ((image_height + 1) / 2);
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const size_t total_size = y_size + 2 * uv_size; // NOLINT
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#if defined(_MSC_VER)
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_fseeki64(
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file_org,
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static_cast<__int64>(num_skip_org) * static_cast<__int64>(total_size),
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SEEK_SET);
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#else
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fseek(file_org, num_skip_org * total_size, SEEK_SET);
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#endif
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for (int cur_rec = 0; cur_rec < num_rec; ++cur_rec) {
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#if defined(_MSC_VER)
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_fseeki64(
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file_rec[cur_rec],
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static_cast<__int64>(num_skip_rec) * static_cast<__int64>(total_size),
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SEEK_SET);
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#else
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fseek(file_rec[cur_rec], num_skip_rec * total_size, SEEK_SET);
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#endif
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}
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uint8_t* const ch_org = new uint8_t[total_size];
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uint8_t* const ch_rec = new uint8_t[total_size];
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if (ch_org == NULL || ch_rec == NULL) {
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fprintf(stderr, "No memory available\n");
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fclose(file_org);
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for (int i = 0; i < num_rec; ++i) {
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fclose(file_rec[i]);
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}
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delete[] ch_org;
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delete[] ch_rec;
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delete[] file_rec;
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exit(1);
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}
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metric* const distortion_psnr = new metric[num_rec];
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metric* const distortion_ssim = new metric[num_rec];
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for (int cur_rec = 0; cur_rec < num_rec; ++cur_rec) {
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metric* cur_distortion_psnr = &distortion_psnr[cur_rec];
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cur_distortion_psnr->y = 0.0;
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cur_distortion_psnr->u = 0.0;
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cur_distortion_psnr->v = 0.0;
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cur_distortion_psnr->all = 0.0;
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cur_distortion_psnr->min_y = kMaxPSNR;
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cur_distortion_psnr->min_u = kMaxPSNR;
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cur_distortion_psnr->min_v = kMaxPSNR;
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cur_distortion_psnr->min_all = kMaxPSNR;
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cur_distortion_psnr->min_frame = 0;
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cur_distortion_psnr->global_y = 0.0;
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cur_distortion_psnr->global_u = 0.0;
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cur_distortion_psnr->global_v = 0.0;
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cur_distortion_psnr->global_all = 0.0;
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distortion_ssim[cur_rec] = cur_distortion_psnr[cur_rec];
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}
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if (verbose) {
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printf("Size: %dx%d\n", image_width, image_height);
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}
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if (!quiet) {
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printf("Frame");
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if (do_psnr) {
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printf("\t PSNR-Y \t PSNR-U \t PSNR-V \t PSNR-All \t Frame");
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}
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if (do_ssim) {
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printf("\t SSIM-Y\t SSIM-U\t SSIM-V\t SSIM-All\t Frame");
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}
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if (show_name) {
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printf("\tName\n");
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} else {
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printf("\n");
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}
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}
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int number_of_frames;
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for (number_of_frames = 0;; ++number_of_frames) {
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if (num_frames && number_of_frames >= num_frames) {
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break;
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}
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size_t bytes_org = fread(ch_org, sizeof(uint8_t), total_size, file_org);
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if (bytes_org < total_size) {
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#ifdef HAVE_JPEG
|
|
// Try parsing file as a jpeg.
|
|
uint8_t* const ch_jpeg = new uint8_t[bytes_org];
|
|
memcpy(ch_jpeg, ch_org, bytes_org);
|
|
memset(ch_org, 0, total_size);
|
|
|
|
if (0 != libyuv::MJPGToI420(ch_jpeg, bytes_org, ch_org, image_width,
|
|
ch_org + y_size, (image_width + 1) / 2,
|
|
ch_org + y_size + uv_size,
|
|
(image_width + 1) / 2, image_width,
|
|
image_height, image_width, image_height)) {
|
|
delete[] ch_jpeg;
|
|
break;
|
|
}
|
|
delete[] ch_jpeg;
|
|
#else
|
|
break;
|
|
#endif // HAVE_JPEG
|
|
}
|
|
|
|
for (int cur_rec = 0; cur_rec < num_rec; ++cur_rec) {
|
|
size_t bytes_rec =
|
|
fread(ch_rec, sizeof(uint8_t), total_size, file_rec[cur_rec]);
|
|
if (bytes_rec < total_size) {
|
|
#ifdef HAVE_JPEG
|
|
// Try parsing file as a jpeg.
|
|
uint8_t* const ch_jpeg = new uint8_t[bytes_rec];
|
|
memcpy(ch_jpeg, ch_rec, bytes_rec);
|
|
memset(ch_rec, 0, total_size);
|
|
|
|
if (0 != libyuv::MJPGToI420(ch_jpeg, bytes_rec, ch_rec, image_width,
|
|
ch_rec + y_size, (image_width + 1) / 2,
|
|
ch_rec + y_size + uv_size,
|
|
(image_width + 1) / 2, image_width,
|
|
image_height, image_width, image_height)) {
|
|
delete[] ch_jpeg;
|
|
break;
|
|
}
|
|
delete[] ch_jpeg;
|
|
#else
|
|
break;
|
|
#endif // HAVE_JPEG
|
|
}
|
|
|
|
if (verbose) {
|
|
printf("%5d", number_of_frames);
|
|
}
|
|
if (do_psnr) {
|
|
metric distorted_frame = {};
|
|
metric* cur_distortion_psnr = &distortion_psnr[cur_rec];
|
|
bool ismin = UpdateMetrics(ch_org, ch_rec, y_size, uv_size, total_size,
|
|
number_of_frames, cur_distortion_psnr,
|
|
&distorted_frame, true);
|
|
if (verbose) {
|
|
printf("\t%10.6f", distorted_frame.y);
|
|
printf("\t%10.6f", distorted_frame.u);
|
|
printf("\t%10.6f", distorted_frame.v);
|
|
printf("\t%10.6f", distorted_frame.all);
|
|
printf("\t%5s", ismin ? "min" : "");
|
|
}
|
|
}
|
|
if (do_ssim) {
|
|
metric distorted_frame = {};
|
|
metric* cur_distortion_ssim = &distortion_ssim[cur_rec];
|
|
bool ismin = UpdateMetrics(ch_org, ch_rec, y_size, uv_size, total_size,
|
|
number_of_frames, cur_distortion_ssim,
|
|
&distorted_frame, false);
|
|
if (verbose) {
|
|
printf("\t%10.6f", distorted_frame.y);
|
|
printf("\t%10.6f", distorted_frame.u);
|
|
printf("\t%10.6f", distorted_frame.v);
|
|
printf("\t%10.6f", distorted_frame.all);
|
|
printf("\t%5s", ismin ? "min" : "");
|
|
}
|
|
}
|
|
if (verbose) {
|
|
if (show_name) {
|
|
printf("\t%s", argv[fileindex_rec + cur_rec]);
|
|
}
|
|
printf("\n");
|
|
}
|
|
}
|
|
}
|
|
|
|
// Final PSNR computation.
|
|
for (int cur_rec = 0; cur_rec < num_rec; ++cur_rec) {
|
|
metric* cur_distortion_psnr = &distortion_psnr[cur_rec];
|
|
metric* cur_distortion_ssim = &distortion_ssim[cur_rec];
|
|
if (number_of_frames > 0) {
|
|
const double norm = 1. / static_cast<double>(number_of_frames);
|
|
cur_distortion_psnr->y *= norm;
|
|
cur_distortion_psnr->u *= norm;
|
|
cur_distortion_psnr->v *= norm;
|
|
cur_distortion_psnr->all *= norm;
|
|
cur_distortion_ssim->y *= norm;
|
|
cur_distortion_ssim->u *= norm;
|
|
cur_distortion_ssim->v *= norm;
|
|
cur_distortion_ssim->all *= norm;
|
|
}
|
|
|
|
if (do_psnr) {
|
|
const double global_psnr_y =
|
|
ComputePSNR(cur_distortion_psnr->global_y,
|
|
static_cast<double>(y_size) * number_of_frames);
|
|
const double global_psnr_u =
|
|
ComputePSNR(cur_distortion_psnr->global_u,
|
|
static_cast<double>(uv_size) * number_of_frames);
|
|
const double global_psnr_v =
|
|
ComputePSNR(cur_distortion_psnr->global_v,
|
|
static_cast<double>(uv_size) * number_of_frames);
|
|
const double global_psnr_all =
|
|
ComputePSNR(cur_distortion_psnr->global_all,
|
|
static_cast<double>(total_size) * number_of_frames);
|
|
printf("Global:\t%10.6f\t%10.6f\t%10.6f\t%10.6f\t%5d", global_psnr_y,
|
|
global_psnr_u, global_psnr_v, global_psnr_all, number_of_frames);
|
|
if (show_name) {
|
|
printf("\t%s", argv[fileindex_rec + cur_rec]);
|
|
}
|
|
printf("\n");
|
|
}
|
|
|
|
if (!quiet) {
|
|
printf("Avg:");
|
|
if (do_psnr) {
|
|
printf("\t%10.6f\t%10.6f\t%10.6f\t%10.6f\t%5d", cur_distortion_psnr->y,
|
|
cur_distortion_psnr->u, cur_distortion_psnr->v,
|
|
cur_distortion_psnr->all, number_of_frames);
|
|
}
|
|
if (do_ssim) {
|
|
printf("\t%10.6f\t%10.6f\t%10.6f\t%10.6f\t%5d", cur_distortion_ssim->y,
|
|
cur_distortion_ssim->u, cur_distortion_ssim->v,
|
|
cur_distortion_ssim->all, number_of_frames);
|
|
}
|
|
if (show_name) {
|
|
printf("\t%s", argv[fileindex_rec + cur_rec]);
|
|
}
|
|
printf("\n");
|
|
}
|
|
if (!quiet) {
|
|
printf("Min:");
|
|
if (do_psnr) {
|
|
printf("\t%10.6f\t%10.6f\t%10.6f\t%10.6f\t%5d",
|
|
cur_distortion_psnr->min_y, cur_distortion_psnr->min_u,
|
|
cur_distortion_psnr->min_v, cur_distortion_psnr->min_all,
|
|
cur_distortion_psnr->min_frame);
|
|
}
|
|
if (do_ssim) {
|
|
printf("\t%10.6f\t%10.6f\t%10.6f\t%10.6f\t%5d",
|
|
cur_distortion_ssim->min_y, cur_distortion_ssim->min_u,
|
|
cur_distortion_ssim->min_v, cur_distortion_ssim->min_all,
|
|
cur_distortion_ssim->min_frame);
|
|
}
|
|
if (show_name) {
|
|
printf("\t%s", argv[fileindex_rec + cur_rec]);
|
|
}
|
|
printf("\n");
|
|
}
|
|
|
|
if (do_mse) {
|
|
double global_mse_y =
|
|
GetMSE(cur_distortion_psnr->global_y,
|
|
static_cast<double>(y_size) * number_of_frames);
|
|
double global_mse_u =
|
|
GetMSE(cur_distortion_psnr->global_u,
|
|
static_cast<double>(uv_size) * number_of_frames);
|
|
double global_mse_v =
|
|
GetMSE(cur_distortion_psnr->global_v,
|
|
static_cast<double>(uv_size) * number_of_frames);
|
|
double global_mse_all =
|
|
GetMSE(cur_distortion_psnr->global_all,
|
|
static_cast<double>(total_size) * number_of_frames);
|
|
printf("MSE:\t%10.6f\t%10.6f\t%10.6f\t%10.6f\t%5d", global_mse_y,
|
|
global_mse_u, global_mse_v, global_mse_all, number_of_frames);
|
|
if (show_name) {
|
|
printf("\t%s", argv[fileindex_rec + cur_rec]);
|
|
}
|
|
printf("\n");
|
|
}
|
|
}
|
|
fclose(file_org);
|
|
for (int cur_rec = 0; cur_rec < num_rec; ++cur_rec) {
|
|
fclose(file_rec[cur_rec]);
|
|
}
|
|
delete[] distortion_psnr;
|
|
delete[] distortion_ssim;
|
|
delete[] ch_org;
|
|
delete[] ch_rec;
|
|
delete[] file_rec;
|
|
return 0;
|
|
}
|