sound_loopback.cpp

/*
 * Copyright: (C) 2010 RobotCub Consortium
 * Authors: Paul Fitzpatrick, Francesco Nori
 * CopyPolicy: Released under the terms of the LGPLv2.1 or later, see LGPL.TXT
 */

#include <stdio.h>
#include <yarp/dev/PolyDriver.h>
#include <yarp/dev/AudioGrabberInterfaces.h>
#include <yarp/os/Property.h>
 
#include <yarp/os/Network.h>
#include <yarp/os/Port.h>


using namespace yarp::os;
using namespace yarp::sig;
using namespace yarp::dev;
  
int main(int argc, char *argv[]) {

    // Open the network
    Network yarp;

    // Get an audio device.
    Property conf;
    conf.put("device","portaudio");
    PolyDriver poly(conf);
    IAudioGrabberSound *get;
    IAudioRender *put;

    // Make sure we can both read and write sound
    poly.view(get);
    poly.view(put);
    if (get==NULL&&put==NULL) {
        printf("cannot open interface\n");
        return 1;
    }

    //Grab and render 
    Sound s;
    while (true)
      {
	get->getSound(s);
	put->renderSound(s);
      }
    return 0;
}