Chris@37: /*
Chris@37:     jVamp
Chris@37: 
Chris@37:     A Java host interface for Vamp audio analysis plugins
Chris@37: 
Chris@37:     Centre for Digital Music, Queen Mary, University of London.
Chris@37:     Copyright 2012 Chris Cannam and QMUL.
Chris@37:   
Chris@37:     Permission is hereby granted, free of charge, to any person
Chris@37:     obtaining a copy of this software and associated documentation
Chris@37:     files (the "Software"), to deal in the Software without
Chris@37:     restriction, including without limitation the rights to use, copy,
Chris@37:     modify, merge, publish, distribute, sublicense, and/or sell copies
Chris@37:     of the Software, and to permit persons to whom the Software is
Chris@37:     furnished to do so, subject to the following conditions:
Chris@37: 
Chris@37:     The above copyright notice and this permission notice shall be
Chris@37:     included in all copies or substantial portions of the Software.
Chris@37: 
Chris@37:     THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
Chris@37:     EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
Chris@37:     MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
Chris@37:     NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS BE LIABLE FOR
Chris@37:     ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF
Chris@37:     CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
Chris@37:     WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
Chris@37: 
Chris@37:     Except as contained in this notice, the names of the Centre for
Chris@37:     Digital Music; Queen Mary, University of London; and Chris Cannam
Chris@37:     shall not be used in advertising or otherwise to promote the sale,
Chris@37:     use or other dealings in this Software without prior written
Chris@37:     authorization.
Chris@37: */
Chris@0: 
Chris@19: import java.util.Map;
Chris@19: import java.util.List;
Chris@18: import java.lang.RuntimeException;
Chris@16: 
Chris@22: import org.vamp_plugins.PluginLoader;
Chris@22: import org.vamp_plugins.Plugin;
Chris@22: import org.vamp_plugins.ParameterDescriptor;
Chris@22: import org.vamp_plugins.OutputDescriptor;
Chris@22: import org.vamp_plugins.Feature;
Chris@22: import org.vamp_plugins.RealTime;
Chris@22: 
Chris@0: public class test
Chris@0: {
Chris@41:     private static void printFeatures(Map<Integer, List<Feature>> features) {
Chris@41: 	for (Map.Entry<Integer, List<Feature>> mi : features.entrySet()) {
Chris@19: 	    System.out.print(mi.getKey() + ": ");
Chris@19: 	    for (Feature li : mi.getValue()) {
Chris@19: 		System.out.print("[" + li.timestamp + "= ");
Chris@19: 		for (float v : li.values) {
Chris@19: 		    System.out.print(v + " ");
Chris@19: 		}
Chris@19: 		System.out.print("] (\"");
Chris@19: 		System.out.print(li.label);
Chris@19: 		System.out.print("\") ");
Chris@19: 	    }
Chris@19: 	    System.out.println("");
Chris@19: 	}
Chris@19:     }
Chris@19: 
Chris@0:     public static void main(String[] args) {
Chris@0: 	
Chris@0: 	// This is a plugin we know we have installed
Chris@6: //	String key = "vamp-example-plugins:percussiononsets";
Chris@7: 	String key = "qm-vamp-plugins:qm-onsetdetector";
Chris@0: 
Chris@0: 	PluginLoader loader = PluginLoader.getInstance();
Chris@0: 	
Chris@24: 	String[] plugins = loader.listPlugins();
Chris@24: 	System.out.println("We know " + plugins.length + " plugins");
Chris@24: 	for (int i = 0; i < plugins.length; ++i) {
Chris@24: 	    System.out.println(i + ": " + plugins[i]);
Chris@24: 	}
Chris@24: 
Chris@0: 	try {
Chris@29: 	    Plugin p = loader.loadPlugin(key, 44100, PluginLoader.AdapterFlags.ADAPT_ALL);
Chris@24: 	    String[] cat = loader.getPluginCategory(key);
Chris@24: 	    System.out.print("category: ");
Chris@24: 	    for (int i = 0; i < cat.length; ++i) {
Chris@24: 		System.out.print(cat[i]);
Chris@24: 		if (i+1 < cat.length) System.out.print(" > ");
Chris@24: 	    }
Chris@24: 	    System.out.println("");
Chris@9: 	    System.out.println("identifier: " + p.getIdentifier());
Chris@9: 	    System.out.println("name: " + p.getName());
Chris@9: 	    System.out.println("description: " + p.getDescription());
Chris@9: 	    System.out.println("version: " + p.getPluginVersion());
Chris@5: 	    Plugin.InputDomain domain = p.getInputDomain();
Chris@29: 	    if (domain == Plugin.InputDomain.TIME_DOMAIN) {
Chris@5: 		System.out.println("This is a time-domain plugin");
Chris@5: 	    } else {
Chris@5: 		System.out.println("This is a frequency-domain plugin");
Chris@5: 	    }
Chris@9: 	    ParameterDescriptor[] params = p.getParameterDescriptors();
Chris@9: 	    System.out.println("Plugin has " + params.length + " parameters(s)");
Chris@9: 	    for (int i = 0; i < params.length; ++i) {
Chris@9: 		System.out.println(i + ": " + params[i].identifier + " (" + params[i].name + ")");
Chris@9: 	    }
Chris@6: 	    String[] progs = p.getPrograms();
Chris@6: 	    System.out.println("Plugin has " + progs.length + " program(s)");
Chris@6: 	    for (int i = 0; i < progs.length; ++i) {
Chris@6: 		System.out.println(i + ": " + progs[i]);
Chris@6: 	    }
Chris@7: 	    OutputDescriptor[] outputs = p.getOutputDescriptors();
Chris@7: 	    System.out.println("Plugin has " + outputs.length + " output(s)");
Chris@7: 	    for (int i = 0; i < outputs.length; ++i) {
Chris@7: 		System.out.println(i + ": " + outputs[i].identifier + " (sample type: " + outputs[i].sampleType + ")");
Chris@7: 	    }
Chris@16: 
Chris@18: 	    boolean b = p.initialise(1, 1024, 1024);
Chris@16: 	    System.out.println("Plugin initialise returned " + b);
Chris@18: 	    if (!b) {
Chris@18: 		throw new RuntimeException("Plugin initialise failed");
Chris@18: 	    }
Chris@16: 	    
Chris@17: 	    float[][] buffers = new float[1][1024];
Chris@17: 	    for (int block = 0; block < 1024; ++block) {
Chris@17: 		for (int i = 0; i < 1024; ++i) {
Chris@17: 		    buffers[0][i] = 0.0f;
Chris@17: 		}
Chris@17: 		if (block == 512) {
Chris@19: 		    buffers[0][0] = 0.5f;
Chris@19: 		    buffers[0][1] = -0.5f;
Chris@17: 		}
Chris@17: 		RealTime timestamp = RealTime.frame2RealTime(block * 1024, 44100);
Chris@49: 		Map<Integer, List<Feature>> features = p.process(buffers, timestamp);
Chris@21: 
Chris@19: 		printFeatures(features);
Chris@17: 	    }
Chris@16: 
Chris@41: 	    Map<Integer, List<Feature>>
Chris@16: 		features = p.getRemainingFeatures();
Chris@19: 
Chris@19: 	    System.out.println("Results from getRemainingFeatures:");
Chris@19: 
Chris@19: 	    printFeatures(features);
Chris@21: 	    p.dispose();
Chris@16: 
Chris@0: 	} catch (PluginLoader.LoadFailedException e) {
Chris@0: 	    System.out.println("Plugin load failed");
Chris@0: 	}
Chris@0:     }
Chris@0: }
Chris@0: