C++ (Cpp) PluginKeyList::begin Examples

Example #1

File: LoadVamp.cpp Project: dot-Sean/audio

bool VampEffectsModule::AutoRegisterPlugins(PluginManagerInterface & pm)
{
#ifdef EFFECT_CATEGORIES
   InitCategoryMap();
#endif

   PluginLoader *loader = PluginLoader::getInstance();

   EffectManager& em = EffectManager::Get();

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

   for (PluginLoader::PluginKeyList::iterator i = keys.begin();
        i != keys.end(); ++i) {

      Plugin *vp = loader->loadPlugin(*i, 48000); // rate doesn't matter here
      if (!vp) continue;

#ifdef EFFECT_CATEGORIES

      PluginLoader::PluginCategoryHierarchy category =
         loader->getPluginCategory(*i);
      wxString vampCategory = VampHierarchyToUri(category);

#endif

      // 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 n = 0;

      bool hasParameters = !vp->getParameterDescriptors().empty();

      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->hasFixedBinCount && j->binCount > 1)) {

            // All of these qualities disqualify (see notes above)

            ++n;
            continue;
         }

         wxString name = LAT1CTOWX(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,
            // unless the output name is the same as the plugin name
            wxString outputName = LAT1CTOWX(j->name.c_str());
            if (outputName != name) {
               name = wxString::Format(wxT("%s: %s"),
                                       name.c_str(), outputName.c_str());
            }
         }

#ifdef EFFECT_CATEGORIES
         VampEffect *effect = new VampEffect(*i, n, hasParameters, name,
                                                vampCategory);
#else
         VampEffect *effect = new VampEffect(*i, n, hasParameters, name);
#endif
         em.RegisterEffect(this, effect);

         ++n;
      }

      delete vp;
   }

   return true;
}

Example #2

File: LoadVamp.cpp Project: LBoggino/audacity

wxArrayString VampEffectsModule::FindPlugins(PluginManagerInterface & WXUNUSED(pm))
{
   wxArrayString names;

   PluginLoader *loader = PluginLoader::getInstance();

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

   for (PluginLoader::PluginKeyList::iterator i = keys.begin(); i != keys.end(); ++i)
   {
      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->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,
            // unless the output name is the same as the plugin name
            wxString outputName = wxString::FromUTF8(j->name.c_str());
            if (outputName != name)
            {
               name = wxString::Format(wxT("%s: %s"),
                                       name.c_str(), outputName.c_str());
            }
         }

         wxString path = wxString::FromUTF8(i->c_str()) + wxT("/") + name;
         names.Add(path);

         ++output;
      }

      delete vp;
   }

   return names;
}