annotate test/test.java @ 28:f2914a92b553

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import java.util.ArrayList;
import java.util.TreeMap;
import java.util.Map;
import java.util.List;
import java.lang.RuntimeException;

import org.vamp_plugins.PluginLoader;
import org.vamp_plugins.Plugin;
import org.vamp_plugins.ParameterDescriptor;
import org.vamp_plugins.OutputDescriptor;
import org.vamp_plugins.Feature;
import org.vamp_plugins.RealTime;

public class test
{
    private static void printFeatures(Map<Integer, ArrayList<Feature>> features) {
	for (Map.Entry<Integer, ArrayList<Feature>> mi : features.entrySet()) {
	    System.out.print(mi.getKey() + ": ");
	    for (Feature li : mi.getValue()) {
		System.out.print("[" + li.timestamp + "= ");
		for (float v : li.values) {
		    System.out.print(v + " ");
		}
		System.out.print("] (\"");
		System.out.print(li.label);
		System.out.print("\") ");
	    }
	    System.out.println("");
	}
    }

    public static void main(String[] args) {
	
	// This is a plugin we know we have installed
//	String key = "vamp-example-plugins:percussiononsets";
	String key = "qm-vamp-plugins:qm-onsetdetector";

	PluginLoader loader = PluginLoader.getInstance();
	
	String[] plugins = loader.listPlugins();
	System.out.println("We know " + plugins.length + " plugins");
	for (int i = 0; i < plugins.length; ++i) {
	    System.out.println(i + ": " + plugins[i]);
	}

	try {
	    Plugin p = loader.loadPlugin(key, 44100);
	    String[] cat = loader.getPluginCategory(key);
	    System.out.print("category: ");
	    for (int i = 0; i < cat.length; ++i) {
		System.out.print(cat[i]);
		if (i+1 < cat.length) System.out.print(" > ");
	    }
	    System.out.println("");
	    System.out.println("identifier: " + p.getIdentifier());
	    System.out.println("name: " + p.getName());
	    System.out.println("description: " + p.getDescription());
	    System.out.println("version: " + p.getPluginVersion());
	    Plugin.InputDomain domain = p.getInputDomain();
	    if (domain == Plugin.InputDomain.TimeDomain) {
		System.out.println("This is a time-domain plugin");
	    } else {
		System.out.println("This is a frequency-domain plugin");
	    }
	    ParameterDescriptor[] params = p.getParameterDescriptors();
	    System.out.println("Plugin has " + params.length + " parameters(s)");
	    for (int i = 0; i < params.length; ++i) {
		System.out.println(i + ": " + params[i].identifier + " (" + params[i].name + ")");
	    }
	    String[] progs = p.getPrograms();
	    System.out.println("Plugin has " + progs.length + " program(s)");
	    for (int i = 0; i < progs.length; ++i) {
		System.out.println(i + ": " + progs[i]);
	    }
	    OutputDescriptor[] outputs = p.getOutputDescriptors();
	    System.out.println("Plugin has " + outputs.length + " output(s)");
	    for (int i = 0; i < outputs.length; ++i) {
		System.out.println(i + ": " + outputs[i].identifier + " (sample type: " + outputs[i].sampleType + ")");
	    }

	    boolean b = p.initialise(1, 1024, 1024);
	    System.out.println("Plugin initialise returned " + b);
	    if (!b) {
		throw new RuntimeException("Plugin initialise failed");
	    }
	    
	    float[][] buffers = new float[1][1024];
	    for (int block = 0; block < 1024; ++block) {
		for (int i = 0; i < 1024; ++i) {
		    buffers[0][i] = 0.0f;
		}
		if (block == 512) {
		    buffers[0][0] = 0.5f;
		    buffers[0][1] = -0.5f;
		}
		RealTime timestamp = RealTime.frame2RealTime(block * 1024, 44100);
		TreeMap<Integer, ArrayList<Feature>>
		    features = p.process(buffers, timestamp);

		timestamp.dispose();

		printFeatures(features);
	    }

	    TreeMap<Integer, ArrayList<Feature>>
		features = p.getRemainingFeatures();

	    System.out.println("Results from getRemainingFeatures:");

	    printFeatures(features);
	    p.dispose();

	} catch (PluginLoader.LoadFailedException e) {
	    System.out.println("Plugin load failed");
	}
    }
}