view audioio/AudioCallbackPlayTarget.cpp @ 3:75c3ea1c3a32

* Add play-selection and looping modes.  Looping seems to work OK, but
  the plain play-selection is miscalculating current frame number to
  feed back to the GUI.
* Cache selection rectanges wherever possible in View::paintEvent.

/* -*- c-basic-offset: 4 -*-  vi:set ts=8 sts=4 sw=4: */

/*
    A waveform viewer and audio annotation editor.
    Chris Cannam, Queen Mary University of London, 2005-2006
    
    This is experimental software.  Not for distribution.
*/

#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;
}

#ifdef INCLUDE_MOCFILES
#ifdef INCLUDE_MOCFILES
#include "AudioCallbackPlayTarget.moc.cpp"
#endif
#endif