Method UpdateTrackExportSettings

src/export/ExportAudioDialog.cpp:788–870

}

void ExportAudioDialog::UpdateTrackExportSettings(const ExportPlugin& plugin, int formatIndex, bool byName, bool addNumber,
   const wxString& prefix)
{
   auto& tracks = TrackList::Get(mProject);

   bool anySolo = !(( tracks.Any<const WaveTrack>() + &WaveTrack::GetSolo ).empty());

   auto waveTracks = tracks.Any<WaveTrack>() -
      (anySolo ? &WaveTrack::GetNotSolo : &WaveTrack::GetMute);

   const auto numWaveTracks = waveTracks.size();

   auto fileIndex = 0;     // track counter
   FilePaths otherNames;
   auto formatInfo = plugin.GetFormatInfo(formatIndex);
   std::vector<ExportSetting> exportSettings; // dynamic array we will use to store the
                                  // settings needed to do the exports with in
   exportSettings.reserve(numWaveTracks);   // Allocate some guessed space to use.
   ExportSetting setting;   // the current batch of settings
   setting.filename.SetPath(mExportOptionsPanel->GetPath());
   setting.filename.SetExt(wxFileName{mExportOptionsPanel->GetFullName()}.GetExt());

   wxString name;    // used to hold file name whilst we mess with it
   wxString title;   // un-messed-with title of file for tagging with

   const auto skipSilenceAtBeginning = mSkipSilenceAtBeginning->GetValue();

   /* Examine all tracks in turn, collecting export information */
   for (auto tr : waveTracks) {

      // Get the times for the track
      setting.t0 = skipSilenceAtBeginning ? tr->GetStartTime() : 0;
      setting.t1 = tr->GetEndTime();

      setting.channels = mExportOptionsPanel->GetChannels();
      // Get name and title
      title = tr->GetName();
      if( title.empty() )
         title = _("untitled");

      if (byName) {
         name = title;
         if (addNumber) {
            name.Prepend(
               wxString::Format(wxT("%02d-"), fileIndex+1));
         }
      }
      else {
         name = (wxString::Format(wxT("%s-%02d"), prefix, fileIndex+1));
      }

      Internat::SanitiseFilename(name, wxT("_"));
      // store sanitised and user checked name in object
      setting.filename.SetName(name);

      // FIXME: TRAP_ERR User could have given an illegal track name.
      // in that case we should tell them, not fail silently.
      wxASSERT(setting.filename.IsOk());     // burp if file name is broke