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/*
* MonitorWaveReceiver.cs
* Copyright © 2010-2011 kbinani
*
* This file is part of org.kbinani.cadencii.
*
* org.kbinani.cadencii is free software; you can redistribute it and/or
* modify it under the terms of the GPLv3 License.
*
* org.kbinani.cadencii is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
*/
#if JAVA
package org.kbinani.cadencii;
import java.awt.*;
import java.util.*;
import org.kbinani.media.*;
#else
using System;
using org.kbinani.java.awt;
using org.kbinani.java.util;
using org.kbinani.media;
namespace org.kbinani.cadencii
{
using boolean = System.Boolean;
#endif
/// <summary>
/// スピーカへの出力を行う波形受信器
/// </summary>
#if JAVA
public class MonitorWaveReceiver extends WaveUnit implements WaveReceiver {
#else
public class MonitorWaveReceiver : WaveUnit, WaveReceiver
{
#endif
private const int BUFLEN = 1024;
private static MonitorWaveReceiver mSingleton = null;
private boolean mFirstCall = true;
private double[] mBufferL = new double[BUFLEN];
private double[] mBufferR = new double[BUFLEN];
private double[] mBuffer2L = new double[BUFLEN];
private double[] mBuffer2R = new double[BUFLEN];
private WaveReceiver mReceiver = null;
private int mVersion = 0;
private int mSampleRate = 44100;
private long mPosition = 0L;
private MonitorWaveReceiver()
{
}
public double getPlayTime()
{
return (double)mPosition / (double)mSampleRate;
}
public static MonitorWaveReceiver getInstance()
{
return mSingleton;
}
public static MonitorWaveReceiver prepareInstance()
{
if ( mSingleton == null ) {
mSingleton = new MonitorWaveReceiver();
}
mSingleton.end();
mSingleton.mFirstCall = true;
mSingleton.mPosition = 0;
return mSingleton;
}
public override void setConfig( String parameter )
{
// do nothing
}
public override int getVersion()
{
return mVersion;
}
public void setReceiver( WaveReceiver r )
{
if ( mReceiver != null ) {
mReceiver.end();
}
mReceiver = r;
}
public void push( double[] l, double[] r, int length )
{
if ( mFirstCall ) {
mSampleRate = mRoot.getSampleRate();
PlaySound.init();
PlaySound.prepare( mSampleRate );
mFirstCall = false;
}
PlaySound.append( l, r, length );
mPosition += length;
if ( mReceiver != null ) {
mReceiver.push( l, r, length );
}
}
public void end()
{
//PlaySound.exitは，特殊扱い．
//pushが終了していても，たいていの場合再生されずにキャッシュが残っているので．
//PlaySound.exit();
PlaySound.waitForExit();
if ( mReceiver != null ) {
mReceiver.end();
}
}
}
#if !JAVA
}
#endif
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