view vamp-client/client.cpp @ 98:f55631599988

Plugin that creates its own server

#include "ProcessQtTransport.h"
#include "CapnpRRClient.h"
#include "AutoPlugin.h"

#include <stdexcept>

using std::cerr;
using std::endl;

int main(int, char **)
{
    piper_vamp::client::ProcessQtTransport transport("../bin/piper-vamp-server");
    piper_vamp::client::CapnpRRClient client(&transport);

    piper_vamp::ListResponse lr = client.listPluginData();
    cerr << "Plugins available:" << endl;
    int i = 1;
    for (const auto &p: lr.available) {
        cerr << i++ << ". [" << p.pluginKey << "] " << p.basic.name << endl;
    }
    
    piper_vamp::LoadRequest req;
    req.pluginKey = "vamp-example-plugins:zerocrossing";
    req.inputSampleRate = 16;
    piper_vamp::LoadResponse resp = client.loadPlugin(req);
    Vamp::Plugin *plugin = resp.plugin;
    
    if (!plugin->initialise(1, 4, 4)) {
        cerr << "initialisation failed" << endl;
    } else {
        std::vector<float> buf = { 1.0, -1.0, 1.0, -1.0 };
        float *bd = buf.data();
        Vamp::Plugin::FeatureSet features = plugin->process
            (&bd, Vamp::RealTime::zeroTime);
        cerr << "results for output 0:" << endl;
        auto fl(features[0]);
        for (const auto &f: fl) {
            cerr << f.values[0] << endl;
        }
    }

    (void)plugin->getRemainingFeatures();

    cerr << "calling reset..." << endl;
    plugin->reset();
    cerr << "...round 2!" << endl;

    std::vector<float> buf = { 1.0, -1.0, 1.0, -1.0 };
    float *bd = buf.data();
    Vamp::Plugin::FeatureSet features = plugin->process
	(&bd, Vamp::RealTime::zeroTime);
    cerr << "results for output 0:" << endl;
    auto fl(features[0]);
    for (const auto &f: fl) {
	cerr << f.values[0] << endl;
    }
    
    (void)plugin->getRemainingFeatures();

    delete plugin;

    // Let's try a crazy AutoPlugin

    piper_vamp::client::AutoPlugin ap("vamp-example-plugins:zerocrossing", 16, 0);
    if (!ap.isOK()) {
	cerr << "AutoPlugin creation failed" << endl;
    } else {
	if (!ap.initialise(1, 4, 4)) {
	    cerr << "initialisation failed" << endl;
	} else {
	    std::vector<float> buf = { 1.0, -1.0, 1.0, -1.0 };
	    float *bd = buf.data();
	    Vamp::Plugin::FeatureSet features = ap.process
		(&bd, Vamp::RealTime::zeroTime);
	    cerr << "results for output 0:" << endl;
	    auto fl(features[0]);
	    for (const auto &f: fl) {
		cerr << f.values[0] << endl;
	    }
	}
    }
}