Method AddSamples

modules/import-export/mod-aup/ImportAUP.cpp:1440–1653

All errors that occur here will simply insert silence and allow the import to continue.

// All errors that occur here will simply insert silence and allow the
// import to continue.
bool AUPImportFileHandle::AddSamples(const FilePath &blockFilename,
                                     const FilePath &audioFilename,
                                     sampleCount len,
                                     sampleFormat format,
                                     sampleCount origin /* = 0 */,
                                     int channel /* = 0 */)
{
   auto pClip = mClip ? mClip : mWaveTrack->RightmostOrNewClip().get();
   auto &pBlock = mFileMap[wxFileNameFromPath(blockFilename)].second;
   if (pBlock) {
      // Replicate the sharing of blocks
      if (pClip->NChannels() != 1)
         return false;
      pClip->AppendLegacySharedBlock( pBlock );
      return true;
   }

   // Third party library has its own type alias, check it before
   // adding origin + size_t
   static_assert(sizeof(sampleCount::type) <= sizeof(sf_count_t),
                 "Type sf_count_t is too narrow to hold a sampleCount");

   SF_INFO info;
   memset(&info, 0, sizeof(info));

   wxFile f; // will be closed when it goes out of scope
   SNDFILE *sf = nullptr;
   bool success = false;

#ifndef UNCAUGHT_EXCEPTIONS_UNAVAILABLE
   const auto uncaughtExceptionsCount = std::uncaught_exceptions();
#endif

   auto cleanup = finally([&]
   {
      // Do this before any throwing might happen
      if (sf)
      {
         SFCall<int>(sf_close, sf);
      }

      if (!success)
      {
         SetWarning(XO("Error while processing %s\n\nInserting silence.").Format(audioFilename));

         // If we are unwinding for an exception, don't do another
         // potentially throwing operation
#ifdef UNCAUGHT_EXCEPTIONS_UNAVAILABLE
         if (!std::uncaught_exception())
#else
         if (uncaughtExceptionsCount == std::uncaught_exceptions())
#endif
            // If this does throw, let that propagate, don't guard the call
            AddSilence(len);
      }
   });

   if (!f.Open(audioFilename))