annotate audioio/AudioCallbackPlayTarget.cpp @ 451:dc1a360f2b69

Allow layers to be loaded without models if their layer class explicitly says it's OK (otherwise default template won't load, as it has an empty waveform layer)

/* -*- c-basic-offset: 4 indent-tabs-mode: nil -*-  vi:set ts=8 sts=4 sw=4: */

/*
    Sonic Visualiser
    An audio file viewer and annotation editor.
    Centre for Digital Music, Queen Mary, University of London.
    This file copyright 2006 Chris Cannam.
    
    This program is free software; you can redistribute it and/or
    modify it under the terms of the GNU General Public License as
    published by the Free Software Foundation; either version 2 of the
    License, or (at your option) any later version.  See the file
    COPYING included with this distribution for more information.
*/

#include "AudioCallbackPlayTarget.h"
#include "AudioCallbackPlaySource.h"

#include <iostream>

AudioCallbackPlayTarget::AudioCallbackPlayTarget(AudioCallbackPlaySource *source) :
    m_source(source),
    m_outputGain(1.0)
{
    if (m_source) {
	connect(m_source, SIGNAL(modelReplaced()),
		this, SLOT(sourceModelReplaced()));
    }
}

AudioCallbackPlayTarget::~AudioCallbackPlayTarget()
{
}

void
AudioCallbackPlayTarget::setOutputGain(float gain)
{
    m_outputGain = gain;
}