Пример #1
0
void UI_ExportAnnotationswindow::ExportButtonClicked()
{
  int i, j, n,
      len,
      csv_format=0,
      hdl,
      annot_cnt,
      temp,
      include_duration;

  char path[MAX_PATH_LENGTH],
       str[1024],
       separator;

  FILE *annotationfile=NULL;

  struct annotationblock *annot, *annot_list;

  struct edfhdrblock *hdr;

  struct date_time_struct tm;


  if(CSVRadioButton->isChecked() == true)
  {
    if(asciiSecondsRadioButton->isChecked() == true)
    {
      csv_format = 1;
    }

    if(asciiISOtimeRadioButton->isChecked() == true)
    {
      csv_format = 2;
    }

    if(asciiISOtimedateRadioButton->isChecked() == true)
    {
      csv_format = 3;
    }

    if(asciiISOtimeFractionRadioButton->isChecked() == true)
    {
      csv_format = 4;
    }

    if(asciiISOtimedateFractionRadioButton->isChecked() == true)
    {
      csv_format = 5;
    }
  }

  if(EDFplusRadioButton->isChecked() == true)
  {
    csv_format = 0;
  }

  if(XMLRadioButton->isChecked() == true)
  {
    csv_format = 8;
  }

   mainwindow->export_annotations_var->format = csv_format;

  if(separatorBox->currentIndex() == 0)
  {
    separator = ',';
    mainwindow->export_annotations_var->separator = 0;
  }
  else
  {
    separator = '\t';
    mainwindow->export_annotations_var->separator = 1;
  }

  if(durationCheckBox->checkState() == Qt::Checked)
  {
    include_duration = 1;
    mainwindow->export_annotations_var->duration = 1;
  }
  else
  {
    include_duration = 0;
    mainwindow->export_annotations_var->duration = 0;
  }

  if(!mainwindow->files_open)
  {
    ExportAnnotsDialog->close();
    return;
  }

  if(filelist->count() < 1)
  {
    ExportAnnotsDialog->close();
    return;
  }

  ExportButton->setEnabled(false);
  CloseButton->setEnabled(false);

  for(i=0; i<mainwindow->files_open; i++)
  {
    if(!strcmp(mainwindow->edfheaderlist[i]->filename, filelist->item(filelist->currentRow())->text().toLocal8Bit().data()))
    {
      break;
    }
  }

  if(i==mainwindow->files_open)
  {
    ExportAnnotsDialog->close();
    return;
  }

  n = i;

  if(mergeRadioButton->isChecked() == true)
  {
    n = mainwindow->sel_viewtime;
  }

  hdr = mainwindow->edfheaderlist[n];

  path[0] = 0;
  if(mainwindow->recent_savedir[0]!=0)
  {
    strcpy(path, mainwindow->recent_savedir);
    strcat(path, "/");
  }
  len = strlen(path);
  get_filename_from_path(path + len, mainwindow->edfheaderlist[n]->filename, MAX_PATH_LENGTH - len);
  remove_extension_from_filename(path);
  if((csv_format > 0) && (csv_format < 6))
  {
    strcat(path, "_annotations.txt");

    strcpy(path, QFileDialog::getSaveFileName(0, "Output file", QString::fromLocal8Bit(path), "Text files (*.txt *.TXT *.csv *.CSV)").toLocal8Bit().data());
  }

  if(csv_format == 8)
  {
    strcat(path, "_annotations.xml");

    strcpy(path, QFileDialog::getSaveFileName(0, "Output file", QString::fromLocal8Bit(path), "XML files (*.xml *.XML)").toLocal8Bit().data());
  }

  if(csv_format == 0)
  {
    strcat(path, "_annotations.edf");

    strcpy(path, QFileDialog::getSaveFileName(0, "Output file", QString::fromLocal8Bit(path), "EDF files (*.edf *.EDF)").toLocal8Bit().data());
  }

  if(!strcmp(path, ""))
  {
    ExportAnnotsDialog->close();
    return;
  }

  get_directory_from_path(mainwindow->recent_savedir, path, MAX_PATH_LENGTH);

  if(mainwindow->file_is_opened(path))
  {
    QMessageBox messagewindow(QMessageBox::Critical, "Export annotations", "Error, selected file is in use.");
    messagewindow.exec();
    return;
  }

  annot_list = edfplus_annotation_copy_list(&mainwindow->annotationlist[n]);

  if(mergeRadioButton->isChecked() == true)
  {
    for(i=0; i < mainwindow->files_open; i++)
    {
      if(i != mainwindow->sel_viewtime)
      {
        annot_cnt = edfplus_annotation_count(&mainwindow->annotationlist[i]);

        for(j=0; j < annot_cnt; j++)
        {
          edfplus_annotation_add_copy(&annot_list, edfplus_annotation_item(&mainwindow->annotationlist[i], j));

          annot = edfplus_annotation_item(&annot_list, edfplus_annotation_count(&annot_list) - 1);

          annot->onset -= (mainwindow->edfheaderlist[i]->viewtime - mainwindow->edfheaderlist[mainwindow->sel_viewtime]->viewtime);
        }
      }
    }

    edfplus_annotation_sort(&annot_list);
  }

  annot_cnt = edfplus_annotation_count(&annot_list);

///////////////////////////// CSV (text) export //////////////////////////////////////

  if((csv_format > 0) && (csv_format < 6))
  {
    annotationfile = fopeno(path, "wb");
    if(annotationfile==NULL)
    {
      QMessageBox messagewindow(QMessageBox::Critical, "Error", "Can not open annotationfile for writing.");
      messagewindow.exec();
      ExportAnnotsDialog->close();
      edfplus_annotation_delete_list(&annot_list);
      return;
    }

    if(include_duration)
    {
      fprintf(annotationfile, "Onset%cDuration%cAnnotation\n", separator, separator);
    }
    else
    {
      fprintf(annotationfile, "Onset%cAnnotation\n", separator);
    }

    for(j=0; j < annot_cnt; j++)
    {
      annot = edfplus_annotation_item(&annot_list, j);
      if(annot == NULL)
      {
        break;
      }
      strncpy(str, annot->annotation, 1024);
      str[1023] = 0;
      utf8_to_latin1(str);

      len = strlen(str);
      for(i=0; i<len; i++)
      {
        if((((unsigned char *)str)[i] < 32) || (((unsigned char *)str)[i] == ','))
        {
          str[i] = '.';
        }
      }

      if(csv_format == 1)
      {
        if(include_duration)
        {
          fprintf(annotationfile, "%+.7f%c%s%c%s\n", (double)(annot->onset - hdr->starttime_offset) / TIME_DIMENSION, separator, annot->duration, separator, str);
        }
        else
        {
          fprintf(annotationfile, "%+.7f%c%s\n", (double)(annot->onset - hdr->starttime_offset) / TIME_DIMENSION, separator, str);
        }
      }

      if(csv_format == 2)
      {
        temp = annot->onset % TIME_DIMENSION;

        if(temp < 0)
        {
          utc_to_date_time(hdr->utc_starttime + (annot->onset / TIME_DIMENSION) - 1, &tm);
        }
        else
        {
          utc_to_date_time(hdr->utc_starttime + (annot->onset / TIME_DIMENSION), &tm);
        }

        if(include_duration)
        {
          fprintf(annotationfile, "%02i:%02i:%02i%c%s%c%s\n", tm.hour, tm.minute, tm.second, separator, annot->duration, separator, str);
        }
        else
        {
          fprintf(annotationfile, "%02i:%02i:%02i%c%s\n", tm.hour, tm.minute, tm.second, separator, str);
        }
      }

      if(csv_format == 3)
      {
        temp = annot->onset % TIME_DIMENSION;

        if(temp < 0)
        {
          utc_to_date_time(hdr->utc_starttime + (annot->onset / TIME_DIMENSION) - 1, &tm);
        }
        else
        {
          utc_to_date_time(hdr->utc_starttime + (annot->onset / TIME_DIMENSION), &tm);
        }

        if(include_duration)
        {
          fprintf(annotationfile, "%04i-%02i-%02iT%02i:%02i:%02i%c%s%c%s\n", tm.year, tm.month, tm.day, tm.hour, tm.minute, tm.second, separator, annot->duration, separator, str);
        }
        else
        {
          fprintf(annotationfile, "%04i-%02i-%02iT%02i:%02i:%02i%c%s\n", tm.year, tm.month, tm.day, tm.hour, tm.minute, tm.second, separator, str);
        }
      }

      if(csv_format == 4)
      {
        temp = annot->onset % TIME_DIMENSION;

        if(temp < 0)
        {
          utc_to_date_time(hdr->utc_starttime + (annot->onset / TIME_DIMENSION) - 1, &tm);

          temp = TIME_DIMENSION + temp;
        }
        else
        {
          utc_to_date_time(hdr->utc_starttime + (annot->onset / TIME_DIMENSION), &tm);
        }

        if(include_duration)
        {
          fprintf(annotationfile, "%02i:%02i:%02i.%07i%c%s%c%s\n", tm.hour, tm.minute, tm.second, temp, separator, annot->duration, separator, str);
        }
        else
        {
          fprintf(annotationfile, "%02i:%02i:%02i.%07i%c%s\n", tm.hour, tm.minute, tm.second, temp, separator, str);
        }
      }

      if(csv_format == 5)
      {
        temp = annot->onset % TIME_DIMENSION;

        if(temp < 0)
        {
          utc_to_date_time(hdr->utc_starttime + (annot->onset / TIME_DIMENSION) - 1, &tm);

          temp = TIME_DIMENSION + temp;
        }
        else
        {
          utc_to_date_time(hdr->utc_starttime + (annot->onset / TIME_DIMENSION), &tm);
        }

        if(include_duration)
        {
          fprintf(annotationfile, "%04i-%02i-%02iT%02i:%02i:%02i.%07i%c%s%c%s\n", tm.year, tm.month, tm.day, tm.hour, tm.minute, tm.second, temp, separator, annot->duration, separator, str);
        }
        else
        {
          fprintf(annotationfile, "%04i-%02i-%02iT%02i:%02i:%02i.%07i%c%s\n", tm.year, tm.month, tm.day, tm.hour, tm.minute, tm.second, temp, separator, str);
        }
      }
    }

    fclose(annotationfile);

    edfplus_annotation_delete_list(&annot_list);

    QMessageBox messagewindow(QMessageBox::Information, "Ready", "Done.");
    messagewindow.setIconPixmap(QPixmap(":/images/ok.png"));
    messagewindow.exec();

    ExportAnnotsDialog->close();

    return;
  }

///////////////////////////// XML export //////////////////////////////////////

  if(csv_format == 8)
  {
    annotationfile = fopeno(path, "wb");
    if(annotationfile==NULL)
    {
      QMessageBox messagewindow(QMessageBox::Critical, "Error", "Can not open annotationfile for writing.");
      messagewindow.exec();
      ExportAnnotsDialog->close();
      edfplus_annotation_delete_list(&annot_list);
      return;
    }

    fprintf(annotationfile, "<?xml version=\"1.0\" encoding=\"UTF-8\"?>\n");

    fprintf(annotationfile, "<!-- Generated by " PROGRAM_NAME " " PROGRAM_VERSION " -->\n");

    fprintf(annotationfile, "<annotationlist>\n");

    utc_to_date_time(hdr->utc_starttime, &tm);

    fprintf(annotationfile, " <recording_start_time>%04i-%02i-%02iT%02i:%02i:%02i.%07i</recording_start_time>\n",
                            tm.year, tm.month, tm.day, tm.hour, tm.minute, tm.second, (int)hdr->starttime_offset);

    for(j=0; j < annot_cnt; j++)
    {
      annot = edfplus_annotation_item(&annot_list, j);
      if(annot == NULL)
      {
        break;
      }

      temp = annot->onset % TIME_DIMENSION;

      if(temp < 0)
      {
        utc_to_date_time(hdr->utc_starttime + (annot->onset / TIME_DIMENSION) - 1, &tm);

        temp = TIME_DIMENSION + temp;
      }
      else
      {
        utc_to_date_time(hdr->utc_starttime + (annot->onset / TIME_DIMENSION), &tm);
      }

      fprintf(annotationfile, " <annotation>\n"
                              "  <onset>%04i-%02i-%02iT%02i:%02i:%02i.%07i</onset>\n"
                              "  <duration>%s</duration>\n"
                              "  <description>",
                              tm.year, tm.month, tm.day, tm.hour, tm.minute, tm.second, temp, annot->duration);

      xml_fwrite_encode_entity(annotationfile, annot->annotation);

      fprintf(annotationfile,                     "</description>\n"
                              " </annotation>\n");
    }

    fprintf(annotationfile, "</annotationlist>\n");

    fclose(annotationfile);

    edfplus_annotation_delete_list(&annot_list);

    QMessageBox messagewindow(QMessageBox::Information, "Ready", "Done.");
    messagewindow.setIconPixmap(QPixmap(":/images/ok.png"));
    messagewindow.exec();

    ExportAnnotsDialog->close();

    return;
  }

///////////////////////////// EDFplus export //////////////////////////////////////

  if(csv_format == 0)
  {
    hdl = edfopen_file_writeonly(path, EDFLIB_FILETYPE_EDFPLUS, 0);
    if(hdl < 0)
    {
      switch(hdl)
      {
        case EDFLIB_MALLOC_ERROR : strcpy(str, "EDFlib: malloc error");
                                  break;
        case EDFLIB_NO_SUCH_FILE_OR_DIRECTORY : strcpy(str, "EDFlib: no such file or directory");
                                  break;
        case EDFLIB_MAXFILES_REACHED : strcpy(str, "EDFlib: maximum files reached");
                                  break;
        case EDFLIB_FILE_ALREADY_OPENED : strcpy(str, "EDFlib: file already opened");
                                  break;
        case EDFLIB_NUMBER_OF_SIGNALS_INVALID : strcpy(str, "EDFlib: number of signals is invalid");
                                  break;
        default : strcpy(str, "EDFlib: unknown error");
                                  break;
      }

      QMessageBox messagewindow(QMessageBox::Critical, "Error", str);
      messagewindow.exec();
      edfplus_annotation_delete_list(&annot_list);
      ExportAnnotsDialog->close();
      return;
    }

    utc_to_date_time(hdr->utc_starttime, &tm);
    edf_set_startdatetime(hdl, tm.year, tm.month, tm.day, tm.hour, tm.minute, tm.second);

    if((hdr->edfplus) || (hdr->bdfplus))
    {
      edf_set_patientname(hdl, hdr->plus_patient_name);
      edf_set_patientcode(hdl, hdr->plus_patientcode);
      if(!(strcmp(hdr->plus_gender, "Male")))
      {
        edf_set_gender(hdl, 1);
      }
      if(!(strcmp(hdr->plus_gender, "Female")))
      {
        edf_set_gender(hdl, 0);
      }
      if(hdr->plus_birthdate[0] != 0)
      {
        if(!(strncmp(hdr->plus_birthdate + 3, "jan", 3)))  n = 1;
        if(!(strncmp(hdr->plus_birthdate + 3, "feb", 3)))  n = 2;
        if(!(strncmp(hdr->plus_birthdate + 3, "mar", 3)))  n = 3;
        if(!(strncmp(hdr->plus_birthdate + 3, "apr", 3)))  n = 4;
        if(!(strncmp(hdr->plus_birthdate + 3, "may", 3)))  n = 5;
        if(!(strncmp(hdr->plus_birthdate + 3, "jun", 3)))  n = 6;
        if(!(strncmp(hdr->plus_birthdate + 3, "jul", 3)))  n = 7;
        if(!(strncmp(hdr->plus_birthdate + 3, "aug", 3)))  n = 8;
        if(!(strncmp(hdr->plus_birthdate + 3, "sep", 3)))  n = 9;
        if(!(strncmp(hdr->plus_birthdate + 3, "oct", 3)))  n = 10;
        if(!(strncmp(hdr->plus_birthdate + 3, "nov", 3)))  n = 11;
        if(!(strncmp(hdr->plus_birthdate + 3, "dec", 3)))  n = 12;
        edf_set_birthdate(hdl, atoi(hdr->plus_birthdate + 7), n, atoi(hdr->plus_birthdate));
      }
      edf_set_patient_additional(hdl, hdr->plus_patient_additional);
      edf_set_admincode(hdl, hdr->plus_admincode);
      edf_set_technician(hdl, hdr->plus_technician);
      edf_set_equipment(hdl, hdr->plus_equipment);
      edf_set_recording_additional(hdl, hdr->plus_recording_additional);
    }
    else
    {
      edf_set_patientname(hdl, hdr->patient);
      edf_set_recording_additional(hdl, hdr->recording);
    }

    int hasdot,
        decimals;

    for(j=0; j < annot_cnt; j++)
    {
      annot = edfplus_annotation_item(&annot_list, j);
      if(annot == NULL)
      {
        break;
      }

      if(annot->duration[0] == 0)
      {
        edfwrite_annotation_utf8(hdl, annot->onset / 1000LL, -1LL, annot->annotation);
      }
      else
      {
        strcpy(str, annot->duration);

        len = strlen(str);

        hasdot = 0;

        for(i=0; i<len; i++)
        {
          if(str[i] == '.')
          {
            hasdot = 1;

            for(decimals=0; decimals<4; decimals++)
            {
              str[i] = str[i+1];

              if(str[i] == 0)
              {
                for( ; decimals<4; decimals++)
                {
                  str[i] = '0';

                  i++;
                }

                i--;
              }

              i++;
            }

            str[i] = 0;

            break;
          }
        }

        if(!hasdot)
        {
          strcat(str, "0000");
        }

        edfwrite_annotation_utf8(hdl, annot->onset / 1000LL, atoi(str), annot->annotation);
      }
    }

    if(edfclose_file(hdl) != 0)
    {
      QMessageBox messagewindow(QMessageBox::Critical, "Error", "An error occurred: edfclose_file()");
      messagewindow.exec();
    }

    edfplus_annotation_delete_list(&annot_list);

    QMessageBox messagewindow(QMessageBox::Information, "Ready", "Done.");
    messagewindow.setIconPixmap(QPixmap(":/images/ok.png"));
    messagewindow.exec();

    ExportAnnotsDialog->close();
  }
}
Пример #2
0
void UI_ReduceSignalsWindow::StartConversion()
{
  int i, j, k, n,
      new_edfsignals,
      datarecords=0,
      annot_smp_per_record,
      annot_recordsize,
      timestamp_digits=0,
      timestamp_decimals=0,
      annot_len,
      tallen=0,
      len,
      annot_cnt,
      annots_per_datrec=0,
      smplrt,
      tmp,
      val,
      progress_steps,
      datrecs_processed;

  char *readbuf=NULL,
       scratchpad[256];

  long long new_starttime,
            time_diff,
            onset_diff,
            taltime,
            l_temp,
            endtime=0,
            l_tmp;

  struct date_time_struct dts;

  struct annotationblock *new_annot_list=NULL,
                         *root_new_annot_list=NULL,
                         *annot_list=NULL;

  union {
          unsigned int one;
          signed int one_signed;
          unsigned short two[2];
          signed short two_signed[2];
          unsigned char four[4];
        } var;

  QProgressDialog progress("Processing file...", "Abort", 0, 1);
  progress.setWindowModality(Qt::WindowModal);
  progress.setMinimumDuration(200);


  pushButton3->setEnabled(false);
  pushButton4->setEnabled(false);
  pushButton5->setEnabled(false);
  pushButton6->setEnabled(false);
  spinBox1->setEnabled(false);
  spinBox2->setEnabled(false);
  spinBox3->setEnabled(false);
  spinBox4->setEnabled(false);
  radioButton1->setEnabled(false);
  radioButton2->setEnabled(false);
  label2->setEnabled(false);
  label3->setEnabled(false);

  if(edfhdr==NULL)
  {
    return;
  }

  if(file_num < 0)
  {
    return;
  }

  new_edfsignals = 0;

  annot_smp_per_record = 0;

  annot_cnt = 0;

  aa_filter_order = spinBox4->value() - 1;

  time_diff = (long long)(spinBox1->value() - 1) * edfhdr->long_data_record_duration;

  taltime = (time_diff + edfhdr->starttime_offset) % TIME_DIMENSION;

  endtime = (long long)(spinBox2->value() - (spinBox1->value() - 1)) * edfhdr->long_data_record_duration + taltime;

  for(i=0; i<edfhdr->edfsignals; i++)
  {
    if(!edfhdr->edfparam[i].annotation)
    {
      if(((QCheckBox *)(SignalsTablewidget->cellWidget(i, 0)))->checkState()==Qt::Checked)
      {
        signalslist[new_edfsignals] = i;

        dividerlist[new_edfsignals] = ((QComboBox *)(SignalsTablewidget->cellWidget(i, 1)))->itemData(((QComboBox *)(SignalsTablewidget->cellWidget(i, 1)))->currentIndex()).toInt();

        new_edfsignals++;
      }
    }
  }

  datarecords = spinBox2->value() - spinBox1->value() + 1;

  if(edfhdr->edfplus || edfhdr->bdfplus)
  {
    timestamp_decimals = get_tal_timestamp_decimal_cnt(edfhdr);
    if(timestamp_decimals < 0)
    {
      showpopupmessage("Error", "Internal error, get_tal_timestamp_decimal_cnt(");
      goto END_1;
    }

    timestamp_digits = get_tal_timestamp_digit_cnt(edfhdr);
    if(timestamp_digits < 0)
    {
      showpopupmessage("Error", "Internal error, get_tal_timestamp_digit_cnt(");
      goto END_1;
    }

    annot_list = mainwindow->annotationlist[file_num];

    while(annot_list != NULL)
    {
      l_temp = annot_list->onset - time_diff;

      if((l_temp >= 0LL) && (l_temp <= endtime))
      {
        annot_cnt++;

        edfplus_annotation_add_copy(&new_annot_list, annot_list);
      }

      annot_list = annot_list->next_annotation;
    }

    annot_list = new_annot_list;

    root_new_annot_list = new_annot_list;

    new_starttime = edfhdr->utc_starttime + ((time_diff + edfhdr->starttime_offset) / TIME_DIMENSION);

    onset_diff = (new_starttime - edfhdr->utc_starttime) * TIME_DIMENSION;

    while(annot_list != NULL)
    {
      annot_list->onset -= onset_diff;

      annot_list = annot_list->next_annotation;
    }

    edfplus_annotation_sort(&new_annot_list);

    annots_per_datrec = annot_cnt / datarecords;

    if(annot_cnt % datarecords)
    {
      annots_per_datrec++;
    }

    annot_len = get_max_annotation_strlen(&new_annot_list);

    if(!annot_cnt)
    {
      annots_per_datrec = 0;
    }

    annot_recordsize = (annot_len * annots_per_datrec) + timestamp_digits + timestamp_decimals + 4;

    if(timestamp_decimals)
    {
      annot_recordsize++;
    }

    if(edfhdr->edf)
    {
      annot_smp_per_record = annot_recordsize / 2;

      if(annot_recordsize % annot_smp_per_record)
      {
        annot_smp_per_record++;

        annot_recordsize = annot_smp_per_record * 2;
      }
    }
    else
    {
      annot_smp_per_record = annot_recordsize / 3;

      if(annot_recordsize % annot_smp_per_record)
      {
        annot_smp_per_record++;

        annot_recordsize = annot_smp_per_record * 3;
      }
    }
  }
  else
  {
    annot_smp_per_record = 0;

    annot_recordsize = 0;
  }

  readbuf = (char *)malloc(edfhdr->recordsize);
  if(readbuf==NULL)
  {
    showpopupmessage("Error", "Malloc error, (readbuf).");
    goto END_2;
  }
///////////////////////////////////////////////////////////////////

  for(i=0; i<new_edfsignals; i++)
  {
    if(dividerlist[i] > 1)
    {
      for(j=0; j<aa_filter_order; j++)
      {
        filterlist[i][j] = create_ravg_filter(1, dividerlist[i]);

        if(filterlist[i][j] == NULL)
        {
          showpopupmessage("Error", "Malloc error, (create_ravg_filter()).");

          goto END_3;
        }
      }
    }
  }
///////////////////////////////////////////////////////////////////

  outputpath[0] = 0;
  if(recent_savedir[0]!=0)
  {
    strcpy(outputpath, recent_savedir);
    strcat(outputpath, "/");
  }
  len = strlen(outputpath);
  get_filename_from_path(outputpath + len, inputpath, MAX_PATH_LENGTH - len);
  remove_extension_from_filename(outputpath);
  if(edfhdr->edf)
  {
    strcat(outputpath, "_reduced.edf");

    strcpy(outputpath, QFileDialog::getSaveFileName(0, "Save file", QString::fromLocal8Bit(outputpath), "EDF files (*.edf *.EDF)").toLocal8Bit().data());
  }
  else
  {
    strcat(outputpath, "_reduced.bdf");

    strcpy(outputpath, QFileDialog::getSaveFileName(0, "Save file", QString::fromLocal8Bit(outputpath), "BDF files (*.bdf *.BDF)").toLocal8Bit().data());
  }

  if(!strcmp(outputpath, ""))
  {
    goto END_3;
  }

  get_directory_from_path(recent_savedir, outputpath, MAX_PATH_LENGTH);

  if(mainwindow->file_is_opened(outputpath))
  {
    showpopupmessage("Reduce signals", "Error, selected file is in use.");
    goto END_3;
  }

  outputfile = fopeno(outputpath, "wb");
  if(outputfile==NULL)
  {
    showpopupmessage("Error", "Can not open outputfile for writing.");
    goto END_3;
  }

  new_starttime = edfhdr->utc_starttime + ((time_diff + edfhdr->starttime_offset) / TIME_DIMENSION);

  utc_to_date_time(new_starttime, &dts);

  rewind(inputfile);
  if(fread(scratchpad, 168, 1, inputfile)!=1)
  {
    showpopupmessage("Error", "Read error (1).");
    goto END_4;
  }

  if(edfhdr->edfplus || edfhdr->bdfplus)
  {
    if(scratchpad[98] != 'X')
    {
      sprintf(scratchpad + 98, "%02i-%s-%04i", dts.day, dts.month_str, dts.year);

      scratchpad[109] = ' ';
    }
  }

  if(fwrite(scratchpad, 168, 1, outputfile)!=1)
  {
    showpopupmessage("Error", "Write error (1).");
    goto END_4;
  }

  fprintf(outputfile, "%02i.%02i.%02i%02i.%02i.%02i",
          dts.day,
          dts.month,
          dts.year % 100,
          dts.hour,
          dts.minute,
          dts.second);

  if(edfhdr->edfplus || edfhdr->bdfplus)
  {
    fprintf(outputfile, "%-8i", new_edfsignals * 256 + 512);
  }
  else
  {
    fprintf(outputfile, "%-8i", new_edfsignals * 256 + 256);
  }
  if(edfhdr->edfplus)
  {
    fprintf(outputfile, "EDF+C");
    for(i=0; i<39; i++)
    {
      fputc(' ', outputfile);
    }
  }
  if(edfhdr->bdfplus)
  {
    fprintf(outputfile, "BDF+C");
    for(i=0; i<39; i++)
    {
      fputc(' ', outputfile);
    }
  }
  if((!edfhdr->edfplus) && (!edfhdr->bdfplus))
  {
    for(i=0; i<44; i++)
    {
      fputc(' ', outputfile);
    }
  }
  fprintf(outputfile, "%-8i", datarecords);
  snprintf(scratchpad, 256, "%f", edfhdr->data_record_duration);
  convert_trailing_zeros_to_spaces(scratchpad);
  if(scratchpad[7]=='.')
  {
    scratchpad[7] = ' ';
  }
  scratchpad[8] = 0;

  fprintf(outputfile, "%s", scratchpad);
  if(edfhdr->edfplus || edfhdr->bdfplus)
  {
    fprintf(outputfile, "%-4i", new_edfsignals + 1);
  }
  else
  {
    fprintf(outputfile, "%-4i", new_edfsignals);
  }

  for(i=0; i<new_edfsignals; i++)
  {
    fprintf(outputfile, "%s", edfhdr->edfparam[signalslist[i]].label);
  }
  if(edfhdr->edfplus)
  {
    fprintf(outputfile, "EDF Annotations ");
  }
  if(edfhdr->bdfplus)
  {
    fprintf(outputfile, "BDF Annotations ");
  }
  for(i=0; i<new_edfsignals; i++)
  {
    fprintf(outputfile, "%s", edfhdr->edfparam[signalslist[i]].transducer);
  }
  if(edfhdr->edfplus || edfhdr->bdfplus)
  {
    for(i=0; i<80; i++)
    {
      fputc(' ', outputfile);
    }
  }
  for(i=0; i<new_edfsignals; i++)
  {
    fprintf(outputfile, "%s", edfhdr->edfparam[signalslist[i]].physdimension);
  }
  if(edfhdr->edfplus || edfhdr->bdfplus)
  {
    for(i=0; i<8; i++)
    {
      fputc(' ', outputfile);
    }
  }
  for(i=0; i<new_edfsignals; i++)
  {
    snprintf(scratchpad, 256, "%f", edfhdr->edfparam[signalslist[i]].phys_min);
    convert_trailing_zeros_to_spaces(scratchpad);
    if(scratchpad[7]=='.')
    {
      scratchpad[7] = ' ';
    }
    scratchpad[8] = 0;
    fprintf(outputfile, "%s", scratchpad);
  }
  if(edfhdr->edfplus || edfhdr->bdfplus)
  {
    fprintf(outputfile, "-1      ");
  }
  for(i=0; i<new_edfsignals; i++)
  {
    snprintf(scratchpad, 256, "%f", edfhdr->edfparam[signalslist[i]].phys_max);
    convert_trailing_zeros_to_spaces(scratchpad);
    if(scratchpad[7]=='.')
    {
      scratchpad[7] = ' ';
    }
    scratchpad[8] = 0;
    fprintf(outputfile, "%s", scratchpad);
  }
  if(edfhdr->edfplus || edfhdr->bdfplus)
  {
    fprintf(outputfile, "1       ");
  }
  for(i=0; i<new_edfsignals; i++)
  {
    fprintf(outputfile, "%-8i", edfhdr->edfparam[signalslist[i]].dig_min);
  }
  if(edfhdr->edfplus)
  {
    fprintf(outputfile, "-32768  ");
  }
  if(edfhdr->bdfplus)
  {
    fprintf(outputfile, "-8388608");
  }
  for(i=0; i<new_edfsignals; i++)
  {
    fprintf(outputfile, "%-8i", edfhdr->edfparam[signalslist[i]].dig_max);
  }
  if(edfhdr->edfplus)
  {
    fprintf(outputfile, "32767   ");
  }
  if(edfhdr->bdfplus)
  {
    fprintf(outputfile, "8388607 ");
  }
  for(i=0; i<new_edfsignals; i++)
  {
    fprintf(outputfile, "%s", edfhdr->edfparam[signalslist[i]].prefilter);
  }
  if(edfhdr->edfplus || edfhdr->bdfplus)
  {
    for(i=0; i<80; i++)
    {
      fputc(' ', outputfile);
    }
  }
  for(i=0; i<new_edfsignals; i++)
  {
    fprintf(outputfile, "%-8i", edfhdr->edfparam[signalslist[i]].smp_per_record / dividerlist[i]);
  }
  if(edfhdr->edfplus || edfhdr->bdfplus)
  {
    fprintf(outputfile, "%-8i", annot_smp_per_record);
  }
  for(i=0; i<(new_edfsignals * 32); i++)
  {
   fputc(' ', outputfile);
  }
  if(edfhdr->edfplus || edfhdr->bdfplus)
  {
    for(i=0; i<32; i++)
    {
      fputc(' ', outputfile);
    }
  }
///////////////////////////////////////////////////////////////////

  progress.setRange(0, datarecords);
  progress.setValue(0);

  progress_steps = datarecords / 100;
  if(progress_steps < 1)
  {
    progress_steps = 1;
  }

  fseeko(inputfile, (long long)edfhdr->hdrsize + ((long long)(spinBox1->value() - 1) * (long long)edfhdr->recordsize), SEEK_SET);

  for(datrecs_processed=0; datrecs_processed<datarecords; datrecs_processed++)
  {
    if(!(datrecs_processed % progress_steps))
    {
      progress.setValue(datrecs_processed);

      qApp->processEvents();

      if(progress.wasCanceled() == true)
      {
        goto END_4;
      }
    }

    if(fread(readbuf, edfhdr->recordsize, 1, inputfile) != 1)
    {
      progress.reset();
      showpopupmessage("Error", "Read error (2).");
      goto END_4;
    }

    if(edfhdr->edf)
    {
      for(i=0; i<new_edfsignals; i++)
      {
        if(dividerlist[i] == 1)
        {
          smplrt = edfhdr->edfparam[signalslist[i]].smp_per_record;

          for(j=0; j<smplrt; j++)
          {
            fputc(readbuf[edfhdr->edfparam[signalslist[i]].buf_offset + (j * 2)], outputfile);
            if(fputc(readbuf[edfhdr->edfparam[signalslist[i]].buf_offset + (j * 2) + 1], outputfile)==EOF)
            {
              progress.reset();
              showpopupmessage("Error", "Write error (4).");
              goto END_4;
            }
          }
        }
        else
        {
          smplrt = edfhdr->edfparam[signalslist[i]].smp_per_record / dividerlist[i];

          for(j=0; j<smplrt; j++)
          {
            tmp = 0;

            for(k=0; k<dividerlist[i]; k++)
            {
              val = *(((signed short *)(readbuf + edfhdr->edfparam[signalslist[i]].buf_offset)) + (dividerlist[i] * j) + k);

              for(n=0; n<aa_filter_order; n++)
              {
                val = run_ravg_filter(val, filterlist[i][n]);
              }

              tmp += val;
            }

            tmp /= dividerlist[i];

            fputc(tmp & 0xff, outputfile);
            if(fputc((tmp >> 8) & 0xff, outputfile)==EOF)
            {
              progress.reset();
              showpopupmessage("Error", "Write error (4).");
              goto END_4;
            }
          }
        }
      }
    }
    else
    {
      for(i=0; i<new_edfsignals; i++)
      {
        if(dividerlist[i] == 1)
        {
          smplrt = edfhdr->edfparam[signalslist[i]].smp_per_record;

          for(j=0; j<smplrt; j++)
          {
            fputc(readbuf[edfhdr->edfparam[signalslist[i]].buf_offset + (j * 3)], outputfile);
            fputc(readbuf[edfhdr->edfparam[signalslist[i]].buf_offset + (j * 3) + 1], outputfile);
            if(fputc(readbuf[edfhdr->edfparam[signalslist[i]].buf_offset + (j * 3) + 2], outputfile)==EOF)
            {
              progress.reset();
              showpopupmessage("Error", "Write error (4).");
              goto END_4;
            }
          }
        }
        else
        {
          smplrt = edfhdr->edfparam[signalslist[i]].smp_per_record / dividerlist[i];

          for(j=0; j<smplrt; j++)
          {
            l_tmp = 0LL;

            for(k=0; k<dividerlist[i]; k++)
            {
              var.two[0] = *((unsigned short *)(readbuf + edfhdr->edfparam[signalslist[i]].buf_offset + (dividerlist[i] * j * 3) + (k * 3)));
              var.four[2] = *((unsigned char *)(readbuf + edfhdr->edfparam[signalslist[i]].buf_offset + (dividerlist[i] * j * 3) + (k * 3) + 2));

              if(var.four[2]&0x80)
              {
                var.four[3] = 0xff;
              }
              else
              {
                var.four[3] = 0x00;
              }

              for(n=0; n<aa_filter_order; n++)
              {
                var.one_signed = run_ravg_filter(var.one_signed, filterlist[i][n]);
              }

              l_tmp += var.one_signed;
            }

            l_tmp /= dividerlist[i];

            fputc(l_tmp & 0xff, outputfile);
            fputc((l_tmp >> 8) & 0xff, outputfile);
            if(fputc((l_tmp >> 16) & 0xff, outputfile)==EOF)
            {
              progress.reset();
              showpopupmessage("Error", "Write error (4).");
              goto END_4;
            }
          }
        }
      }
    }

    if(edfhdr->edfplus || edfhdr->bdfplus)
    {
      switch(timestamp_decimals)
      {
        case 0 : tallen = fprintf(outputfile, "+%i", (int)(taltime / TIME_DIMENSION));
                  break;
        case 1 : tallen = fprintf(outputfile, "+%i.%01i", (int)(taltime / TIME_DIMENSION), (int)((taltime % TIME_DIMENSION) / 1000000LL));
                  break;
        case 2 : tallen = fprintf(outputfile, "+%i.%02i", (int)(taltime / TIME_DIMENSION), (int)((taltime % TIME_DIMENSION) / 100000LL));
                  break;
        case 3 : tallen = fprintf(outputfile, "+%i.%03i", (int)(taltime / TIME_DIMENSION), (int)((taltime % TIME_DIMENSION) / 10000LL));
                  break;
        case 4 : tallen = fprintf(outputfile, "+%i.%04i", (int)(taltime / TIME_DIMENSION), (int)((taltime % TIME_DIMENSION) / 1000LL));
                  break;
        case 5 : tallen = fprintf(outputfile, "+%i.%05i", (int)(taltime / TIME_DIMENSION), (int)((taltime % TIME_DIMENSION) / 100LL));
                  break;
        case 6 : tallen = fprintf(outputfile, "+%i.%06i", (int)(taltime / TIME_DIMENSION), (int)((taltime % TIME_DIMENSION) / 10LL));
                  break;
        case 7 : tallen = fprintf(outputfile, "+%i.%07i", (int)(taltime / TIME_DIMENSION), (int)(taltime % TIME_DIMENSION));
                  break;
      }

      fputc(20, outputfile);
      fputc(20, outputfile);
      fputc(0, outputfile);

      tallen += 3;

      if(new_annot_list != NULL)
      {
        for(i=0; i<annots_per_datrec; i++)
        {
          if(new_annot_list != NULL)
          {
            len = snprintf(scratchpad, 256, "%+i.%07i",
            (int)(new_annot_list->onset / TIME_DIMENSION),
            (int)(new_annot_list->onset % TIME_DIMENSION));

            for(j=0; j<7; j++)
            {
              if(scratchpad[len - j - 1] != '0')
              {
                break;
              }
            }

            if(j)
            {
              len -= j;

              if(j == 7)
              {
                len--;
              }
            }

            if(fwrite(scratchpad, len, 1, outputfile) != 1)
            {
              progress.reset();
              showpopupmessage("Error", "Write error (5).");
              goto END_4;
            }

            tallen += len;

            if(new_annot_list->duration[0]!=0)
            {
              fputc(21, outputfile);
              tallen++;

              tallen += fprintf(outputfile, "%s", new_annot_list->duration);
            }

            fputc(20, outputfile);
            tallen++;

            tallen += fprintf(outputfile, "%s", new_annot_list->annotation);

            fputc(20, outputfile);
            fputc(0, outputfile);
            tallen += 2;

            new_annot_list = new_annot_list->next_annotation;
          }
        }
      }

      for(k=tallen; k<annot_recordsize; k++)
      {
        fputc(0, outputfile);
      }

      taltime += edfhdr->long_data_record_duration;
    }
  }