The Tor Browser: media/libyuv/util/psnr_main.cc@6474c204b198 (annotated)

media/libyuv/util/psnr_main.cc@6474c204b198 (annotated)

media/libyuv/util/psnr_main.cc

Wed, 31 Dec 2014 06:09:35 +0100

author: Michael Schloh von Bennewitz <michael@schloh.com>
date: Wed, 31 Dec 2014 06:09:35 +0100
changeset 0: 6474c204b198
permissions: -rw-r--r--

Cloned upstream origin tor-browser at tor-browser-31.3.0esr-4.5-1-build1
revision ID fc1c9ff7c1b2defdbc039f12214767608f46423f for hacking purpose.

 /*
  *  Copyright 2013 The LibYuv Project Authors. All rights reserved.
  *
  *  Use of this source code is governed by a BSD-style license
  *  that can be found in the LICENSE file in the root of the source
  *  tree. An additional intellectual property rights grant can be found
  *  in the file PATENTS. All contributing project authors may
  *  be found in the AUTHORS file in the root of the source tree.
  */
 // Get PSNR or SSIM for video sequence. Assuming RAW 4:2:0 Y:Cb:Cr format
 // To build: g++ -O3 -o psnr psnr.cc ssim.cc psnr_main.cc
 // or VisualC: cl /Ox psnr.cc ssim.cc psnr_main.cc
 //
 // To enable OpenMP and SSE2
 // gcc: g++ -msse2 -O3 -fopenmp -o psnr psnr.cc ssim.cc psnr_main.cc
 // vc:  cl /arch:SSE2 /Ox /openmp psnr.cc ssim.cc psnr_main.cc
 //
 // Usage: psnr org_seq rec_seq -s width height [-skip skip_org skip_rec]
 #ifndef _CRT_SECURE_NO_WARNINGS
 #define _CRT_SECURE_NO_WARNINGS
 #endif
 #include <stddef.h>
 #include <stdio.h>
 #include <stdlib.h>
 #include <string.h>
 #ifdef _OPENMP
 #include <omp.h>
 #endif
 #include "./psnr.h"
 #include "./ssim.h"
 struct metric {
   double y, u, v, all;
   double min_y, min_u, min_v, min_all;
   double global_y, global_u, global_v, global_all;
   int min_frame;
 };
 // options
 bool verbose = false;
 bool quiet = false;
 bool show_name = false;
 bool do_swap_uv = false;
 bool do_psnr = false;
 bool do_ssim = false;
 bool do_mse = false;
 bool do_lssim = false;
 int image_width = 0, image_height = 0;
 int fileindex_org = 0;  // argv argument contains the source file name.
 int fileindex_rec = 0;  // argv argument contains the destination file name.
 int num_rec = 0;
 int num_skip_org = 0;
 int num_skip_rec = 0;
 int num_frames = 0;
 #ifdef _OPENMP
 int num_threads = 0;
 #endif
 // Parse PYUV format. ie name.1920x800_24Hz_P420.yuv
 bool ExtractResolutionFromFilename(const char* name,
                                    int* width_ptr,
                                    int* height_ptr) {
   // Isolate the .width_height. section of the filename by searching for a
   // dot or underscore followed by a digit.
   for (int i = 0; name[i]; ++i) {
     if ((name[i] == '.' || name[i] == '_') &&
         name[i + 1] >= '0' && name[i + 1] <= '9') {
       int n = sscanf(name + i + 1, "%dx%d", width_ptr, height_ptr);  // NOLINT
       if (2 == n) {
         return true;
       }
     }
   }
   return false;
 }
 // Scale Y channel from 16..240 to 0..255.
 // This can be useful when comparing codecs that are inconsistant about Y
 uint8 ScaleY(uint8 y) {
   int ny = (y - 16) * 256 / 224;
   if (ny < 0) ny = 0;
   if (ny > 255) ny = 255;
   return static_cast<uint8>(ny);
 }
 // MSE = Mean Square Error
 double GetMSE(double sse, double size) {
   return sse / size;
 }
 void PrintHelp(const char * program) {
   printf("%s [-options] org_seq rec_seq [rec_seq2.. etc]\n", program);
   printf("options:\n");
   printf(" -s <width> <height> .... specify YUV size, mandatory if none of the "
          "sequences have the\n");
   printf("                          resolution embedded in their filename (ie. "
          "name.1920x800_24Hz_P420.yuv)\n");
   printf(" -psnr .................. compute PSNR (default)\n");
   printf(" -ssim .................. compute SSIM\n");
   printf(" -mse ................... compute MSE\n");
   printf(" -swap .................. Swap U and V plane\n");
   printf(" -skip <org> <rec> ...... Number of frame to skip of org and rec\n");
   printf(" -frames <num> .......... Number of frames to compare\n");
 #ifdef _OPENMP
   printf(" -t <num> ............... Number of threads\n");
 #endif
   printf(" -n ..................... Show file name\n");
   printf(" -v ..................... verbose++\n");
   printf(" -q ..................... quiet\n");
   printf(" -h ..................... this help\n");
   exit(0);
 }
 void ParseOptions(int argc, const char* argv[]) {
   if (argc <= 1) PrintHelp(argv[0]);
   for (int c = 1; c < argc; ++c) {
     if (!strcmp(argv[c], "-v")) {
       verbose = true;
     } else if (!strcmp(argv[c], "-q")) {
       quiet = true;
     } else if (!strcmp(argv[c], "-n")) {
       show_name = true;
     } else if (!strcmp(argv[c], "-psnr")) {
       do_psnr = true;
     } else if (!strcmp(argv[c], "-mse")) {
       do_mse = true;
     } else if (!strcmp(argv[c], "-ssim")) {
       do_ssim = true;
     } else if (!strcmp(argv[c], "-lssim")) {
       do_ssim = true;
       do_lssim = true;
     } else if (!strcmp(argv[c], "-swap")) {
       do_swap_uv = true;
     } else if (!strcmp(argv[c], "-h") || !strcmp(argv[c], "-help")) {
       PrintHelp(argv[0]);
     } else if (!strcmp(argv[c], "-s") && c + 2 < argc) {
       image_width = atoi(argv[++c]);    // NOLINT
       image_height = atoi(argv[++c]);   // NOLINT
     } else if (!strcmp(argv[c], "-skip") && c + 2 < argc) {
       num_skip_org = atoi(argv[++c]);   // NOLINT
       num_skip_rec = atoi(argv[++c]);   // NOLINT
     } else if (!strcmp(argv[c], "-frames") && c + 1 < argc) {
       num_frames = atoi(argv[++c]);     // NOLINT
 #ifdef _OPENMP
     } else if (!strcmp(argv[c], "-t") && c + 1 < argc) {
       num_threads = atoi(argv[++c]);    // NOLINT
 #endif
     } else if (argv[c][0] == '-') {
       fprintf(stderr, "Unknown option. %s\n", argv[c]);
     } else if (fileindex_org == 0) {
       fileindex_org = c;
     } else if (fileindex_rec == 0) {
       fileindex_rec = c;
       num_rec = 1;
     } else {
       ++num_rec;
     }
   }
   if (fileindex_org == 0 || fileindex_rec == 0) {
     fprintf(stderr, "Missing filenames\n");
     PrintHelp(argv[0]);
   }
   if (num_skip_org < 0 || num_skip_rec < 0) {
     fprintf(stderr, "Skipped frames incorrect\n");
     PrintHelp(argv[0]);
   }
   if (num_frames < 0) {
     fprintf(stderr, "Number of frames incorrect\n");
     PrintHelp(argv[0]);
   }
   if (image_width == 0 || image_height == 0) {
     int org_width, org_height;
     int rec_width, rec_height;
     bool org_res_avail = ExtractResolutionFromFilename(argv[fileindex_org],
                                                        &org_width,
                                                        &org_height);
     bool rec_res_avail = ExtractResolutionFromFilename(argv[fileindex_rec],
                                                        &rec_width,
                                                        &rec_height);
     if (org_res_avail) {
       if (rec_res_avail) {
         if ((org_width == rec_width) && (org_height == rec_height)) {
           image_width = org_width;
           image_height = org_height;
         } else {
           fprintf(stderr, "Sequences have different resolutions.\n");
           PrintHelp(argv[0]);
         }
       } else {
         image_width = org_width;
         image_height = org_height;
       }
     } else if (rec_res_avail) {
       image_width = rec_width;
       image_height = rec_height;
     } else {
       fprintf(stderr, "Missing dimensions.\n");
       PrintHelp(argv[0]);
     }
   }
 }
 bool UpdateMetrics(uint8* ch_org, uint8* ch_rec,
                    const int y_size, const int uv_size, const size_t total_size,
                    int number_of_frames,
                    metric* cur_distortion_psnr,
                    metric* distorted_frame, bool do_psnr) {
   const int uv_offset = (do_swap_uv ? uv_size : 0);
   const uint8* const u_org = ch_org + y_size + uv_offset;
   const uint8* const u_rec = ch_rec + y_size;
   const uint8* const v_org = ch_org + y_size + (uv_size - uv_offset);
   const uint8* const v_rec = ch_rec + y_size + uv_size;
   if (do_psnr) {
     double y_err = ComputeSumSquareError(ch_org, ch_rec, y_size);
     double u_err = ComputeSumSquareError(u_org, u_rec, uv_size);
     double v_err = ComputeSumSquareError(v_org, v_rec, uv_size);
     const double total_err = y_err + u_err + v_err;
     cur_distortion_psnr->global_y += y_err;
     cur_distortion_psnr->global_u += u_err;
     cur_distortion_psnr->global_v += v_err;
     cur_distortion_psnr->global_all += total_err;
     distorted_frame->y = ComputePSNR(y_err, static_cast<double>(y_size));
     distorted_frame->u = ComputePSNR(u_err, static_cast<double>(uv_size));
     distorted_frame->v = ComputePSNR(v_err, static_cast<double>(uv_size));
     distorted_frame->all = ComputePSNR(total_err,
                                        static_cast<double>(total_size));
   } else {
     distorted_frame->y = CalcSSIM(ch_org, ch_rec, image_width, image_height);
     distorted_frame->u = CalcSSIM(u_org, u_rec, image_width / 2,
                                  image_height / 2);
     distorted_frame->v = CalcSSIM(v_org, v_rec, image_width / 2,
                                  image_height / 2);
     distorted_frame->all =
       (distorted_frame->y + distorted_frame->u + distorted_frame->v)
         / total_size;
     distorted_frame->y /= y_size;
     distorted_frame->u /= uv_size;
     distorted_frame->v /= uv_size;
     if (do_lssim) {
       distorted_frame->all = CalcLSSIM(distorted_frame->all);
       distorted_frame->y = CalcLSSIM(distorted_frame->y);
       distorted_frame->u = CalcLSSIM(distorted_frame->u);
       distorted_frame->v = CalcLSSIM(distorted_frame->v);
     }
   }
   cur_distortion_psnr->y += distorted_frame->y;
   cur_distortion_psnr->u += distorted_frame->u;
   cur_distortion_psnr->v += distorted_frame->v;
   cur_distortion_psnr->all += distorted_frame->all;
   bool ismin = false;
   if (distorted_frame->y < cur_distortion_psnr->min_y)
     cur_distortion_psnr->min_y = distorted_frame->y;
   if (distorted_frame->u < cur_distortion_psnr->min_u)
     cur_distortion_psnr->min_u = distorted_frame->u;
   if (distorted_frame->v < cur_distortion_psnr->min_v)
     cur_distortion_psnr->min_v = distorted_frame->v;
   if (distorted_frame->all < cur_distortion_psnr->min_all) {
     cur_distortion_psnr->min_all = distorted_frame->all;
     cur_distortion_psnr->min_frame = number_of_frames;
     ismin = true;
   }
   return ismin;
 }
 int main(int argc, const char* argv[]) {
   ParseOptions(argc, argv);
   if (!do_psnr && !do_ssim) {
     do_psnr = true;
   }
 #ifdef _OPENMP
   if (num_threads) {
     omp_set_num_threads(num_threads);
   }
   if (verbose) {
     printf("OpenMP %d procs\n", omp_get_num_procs());
   }
 #endif
   // Open original file (first file argument)
   FILE* const file_org = fopen(argv[fileindex_org], "rb");
   if (file_org == NULL) {
     fprintf(stderr, "Cannot open %s\n", argv[fileindex_org]);
     exit(1);
   }
   // Open all files to compare to
   FILE** file_rec = new FILE* [num_rec];
   memset(file_rec, 0, num_rec * sizeof(FILE*)); // NOLINT
   for (int cur_rec = 0; cur_rec < num_rec; ++cur_rec) {
     file_rec[cur_rec] = fopen(argv[fileindex_rec + cur_rec], "rb");
     if (file_rec[cur_rec] == NULL) {
       fprintf(stderr, "Cannot open %s\n", argv[fileindex_rec + cur_rec]);
       fclose(file_org);
       for (int i = 0; i < cur_rec; ++i) {
         fclose(file_rec[i]);
       }
       delete[] file_rec;
       exit(1);
     }
   }
   const int y_size = image_width * image_height;
   const int uv_size = ((image_width + 1) / 2) * ((image_height + 1) / 2);
   const size_t total_size = y_size + 2 * uv_size;    // NOLINT
 #if defined(_MSC_VER)
   _fseeki64(file_org,
             static_cast<__int64>(num_skip_org) *
             static_cast<__int64>(total_size), SEEK_SET);
 #else
   fseek(file_org, num_skip_org * total_size, SEEK_SET);
 #endif
   for (int cur_rec = 0; cur_rec < num_rec; ++cur_rec) {
 #if defined(_MSC_VER)
     _fseeki64(file_rec[cur_rec],
               static_cast<__int64>(num_skip_rec) *
               static_cast<__int64>(total_size),
               SEEK_SET);
 #else
     fseek(file_rec[cur_rec], num_skip_rec * total_size, SEEK_SET);
 #endif
   }
   uint8* const ch_org = new uint8[total_size];
   uint8* const ch_rec = new uint8[total_size];
   if (ch_org == NULL || ch_rec == NULL) {
     fprintf(stderr, "No memory available\n");
     fclose(file_org);
     for (int i = 0; i < num_rec; ++i) {
       fclose(file_rec[i]);
     }
     delete[] ch_org;
     delete[] ch_rec;
     delete[] file_rec;
     exit(1);
   }
   metric* const distortion_psnr = new metric[num_rec];
   metric* const distortion_ssim = new metric[num_rec];
   for (int cur_rec = 0; cur_rec < num_rec; ++cur_rec) {
     metric* cur_distortion_psnr = &distortion_psnr[cur_rec];
     cur_distortion_psnr->y = 0.0;
     cur_distortion_psnr->u = 0.0;
     cur_distortion_psnr->v = 0.0;
     cur_distortion_psnr->all = 0.0;
     cur_distortion_psnr->min_y = kMaxPSNR;
     cur_distortion_psnr->min_u = kMaxPSNR;
     cur_distortion_psnr->min_v = kMaxPSNR;
     cur_distortion_psnr->min_all = kMaxPSNR;
     cur_distortion_psnr->min_frame = 0;
     cur_distortion_psnr->global_y = 0.0;
     cur_distortion_psnr->global_u = 0.0;
     cur_distortion_psnr->global_v = 0.0;
     cur_distortion_psnr->global_all = 0.0;
     distortion_ssim[cur_rec] = cur_distortion_psnr[cur_rec];
   }
   if (verbose) {
     printf("Size: %dx%d\n", image_width, image_height);
   }
   if (!quiet) {
     printf("Frame");
     if (do_psnr) {
       printf("\t PSNR-Y \t PSNR-U \t PSNR-V \t PSNR-All \t Frame");
     }
     if (do_ssim) {
       printf("\t  SSIM-Y\t  SSIM-U\t  SSIM-V\t  SSIM-All\t Frame");
     }
     if (show_name) {
       printf("\tName\n");
     } else {
       printf("\n");
     }
   }
   int number_of_frames;
   for (number_of_frames = 0; ; ++number_of_frames) {
     if (num_frames && number_of_frames >= num_frames)
       break;
     size_t bytes_org = fread(ch_org, sizeof(uint8), total_size, file_org);
     if (bytes_org < total_size)
       break;
     for (int cur_rec = 0; cur_rec < num_rec; ++cur_rec) {
       size_t bytes_rec = fread(ch_rec, sizeof(uint8),
                                total_size, file_rec[cur_rec]);
       if (bytes_rec < total_size)
         break;
       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;
 }

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media/libyuv/util/psnr_main.cc@6474c204b198 (annotated)

media/libyuv/util/psnr_main.cc