comparison audioio/AudioGenerator.cpp @ 10:b6dc944128da

* Add basics of MIDI file import.  Doesn't actually create the model yet.
* Add rewind to start / ffwd to end.
* Make zoom constraint default to sqrt(2) type if no constraint set

 
 AudioGenerator::~AudioGenerator()
 {
 }
 
-void
+bool
 AudioGenerator::addModel(Model *model)
 {
     if (m_sourceSampleRate == 0) {
 
 	m_sourceSampleRate = model->getSampleRate();

 	DenseTimeValueModel *dtvm =
 	    dynamic_cast<DenseTimeValueModel *>(model);
 
 	if (dtvm) {
 	    m_sourceSampleRate = model->getSampleRate();
+	    return true;
 	}
     }
 
     SparseOneDimensionalModel *sodm =
 	dynamic_cast<SparseOneDimensionalModel *>(model);
-    if (!sodm) return; // nothing else to initialise
+    if (!sodm) return false; // nothing else to initialise
 
 //	QString pluginId = "dssi:/usr/lib/dssi/dssi-vst.so:FEARkILLERrev1.dll";
 //	QString pluginId = "dssi:/usr/lib/dssi/hexter.so:hexter";
 //	QString pluginId = "dssi:/usr/lib/dssi/sineshaper.so:sineshaper";
 //	QString pluginId = "dssi:/usr/local/lib/dssi/xsynth-dssi.so:Xsynth";

     RealTimePluginFactory *factory =
 	RealTimePluginFactory::instanceFor(pluginId);
     
     if (!factory) {
 	std::cerr << "Failed to get plugin factory" << std::endl;
-	return;
+	return false;
     }
 	
     RealTimePluginInstance *instance =
 	factory->instantiatePlugin
 	(pluginId, 0, 0, m_sourceSampleRate, m_pluginBlockSize, m_targetChannelCount);

 	}
 	instance->selectProgram("cowbell"); //!!!
 	instance->setIdealChannelCount(m_targetChannelCount); // reset!
     } else {
 	std::cerr << "Failed to instantiate plugin" << std::endl;
-    }
+	return false;
+    }
+
+    return true;
 }
 
 void
 AudioGenerator::removeModel(Model *model)
 {