Method FindModulePaths

src/effects/vamp/LoadVamp.cpp:129–204

}

PluginPaths VampEffectsModule::FindModulePaths(PluginManagerInterface &)
{
   PluginPaths names;

   PluginLoader *loader = PluginLoader::getInstance();

   PluginLoader::PluginKeyList keys = loader->listPlugins();

   for (PluginLoader::PluginKeyList::iterator i = keys.begin(); i != keys.end(); ++i)
   {
      std::unique_ptr<Plugin> vp{ PluginLoader::getInstance()->loadPlugin(*i, 48000) }; // rate doesn't matter here
      if (!vp)
      {
         continue;
      }

      // We limit the listed plugin outputs to those whose results can
      // readily be displayed in an Audacity label track.
      //
      // - Any output whose features have no values (time instants only),
      //   with or without duration, is fine
      //
      // - Any output whose features have more than one value, or an
      //   unknown or variable number of values, is right out
      //
      // - Any output whose features have exactly one value, with
      //   variable sample rate or with duration, should be OK --
      //   this implies a sparse feature, of which the time and/or
      //   duration are significant aspects worth displaying
      //
      // - An output whose features have exactly one value, with
      //   fixed sample rate and no duration, cannot be usefully
      //   displayed -- the value is the only significant piece of
      //   data there and we have no good value plot

      Plugin::OutputList outputs = vp->getOutputDescriptors();

      int output = 0;

      for (Plugin::OutputList::iterator j = outputs.begin(); j != outputs.end(); ++j)
      {
         if (j->sampleType == Plugin::OutputDescriptor::FixedSampleRate ||
               j->sampleType == Plugin::OutputDescriptor::OneSamplePerStep ||
               !j->hasFixedBinCount ||
               j->binCount > 1)
         {
            // All of these qualities disqualify (see notes above)

            ++output;
            continue;
         }

         wxString name = wxString::FromUTF8(vp->getName().c_str());

         if (outputs.size() > 1)
         {
            // This is not the plugin's only output.
            // Use "plugin name: output name" as the effect name,