Method GetSamples

src/toolbars/TranscriptionToolBar.cpp:443–481

}

void TranscriptionToolBar::GetSamples(
   const WaveTrack *t, sampleCount *s0, sampleCount *slen)
{
   // GetSamples attempts to translate the start and end selection markers into sample indices
   // These selection numbers are doubles.

   AudacityProject *p = &mProject;
   if (!p) {
      return;
   }

   //First, get the current selection. It is part of the mViewInfo, which is
   //part of the project

   const auto &selectedRegion = ViewInfo::Get( *p ).selectedRegion;
   double start = selectedRegion.t0();
   double end = selectedRegion.t1();

   auto ss0 = sampleCount( (start - t->GetStartTime()) * t->GetRate() );
   auto ss1 = sampleCount( (end - t->GetStartTime()) * t->GetRate() );

   if (start < t->GetStartTime()) {
      ss0 = 0;
   }

#if 0
   //This adjusts the right samplecount to the maximum sample.
   if (ss1 >= t->GetNumSamples()) {
      ss1 = t->GetNumSamples();
   }
#endif

   if (ss1 < ss0) {
      ss1 = ss0;
   }

   *s0 = ss0;
   *slen = ss1 - ss0;
}

// PRL: duplicating constants from TimeTrack.cpp
//TODO-MB: are these sensible values?