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/*
* WaveSenderDriver.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.*;
#else
using System;
using System.Threading;
using org.kbinani.java.awt;
using org.kbinani.java.util;
namespace org.kbinani.cadencii
{
using boolean = System.Boolean;
#endif
/// <summary>
/// WaveSenderをWaveGeneratorとして使うためのドライバー．
/// WaveSenderは受動的波形生成器なので，自分では波形を作らない．
/// </summary>
#if JAVA
public class WaveSenderDriver extends WaveUnit implements WaveGenerator {
#else
public class WaveSenderDriver : WaveUnit, WaveGenerator
{
#endif
private const int BUFLEN = 1024;
private WaveSender mWaveSender = null;
private double[] mBufferL = new double[BUFLEN];
private double[] mBufferR = new double[BUFLEN];
private long mTotalAppend = 0;
private long mTotalSamples = 1L;
private WaveReceiver mReceiver = null;
private int mVersion = 0;
//private boolean mAbortRequired = false;
private boolean mRunning = false;
private int mSampleRate;
public int getSampleRate()
{
return mSampleRate;
}
public boolean isRunning()
{
return mRunning;
}
public long getTotalSamples()
{
return mTotalSamples;
}
public double getProgress()
{
if ( mTotalSamples <= 0 ) {
return 0.0;
} else {
return mTotalAppend / (double)mTotalSamples;
}
}
/*public void stop()
{
if ( mRunning ) {
mAbortRequired = true;
while ( mRunning ) {
#if JAVA
try{
Thread.sleep( 100 );
}catch( Exception ex ){
}
#else
Thread.Sleep( 100 );
#endif
}
}
}*/
public override int getVersion()
{
return mVersion;
}
public override void setConfig( String parameters )
{
// do nothing
}
/// <summary>
/// 初期化メソッド
/// </summary>
/// <param name="vsq"></param>
/// <param name="track"></param>
/// <param name="start_clock"></param>
/// <param name="end_clock"></param>
public void init( VsqFileEx vsq, int track, int start_clock, int end_clock, int sample_rate )
{
mSampleRate = sample_rate;
#if DEBUG
sout.println( "WaveSenderDriver#init; sample_rate=" + sample_rate );
#endif
}
public void setSender( WaveSender wave_sender )
{
mWaveSender = wave_sender;
}
public void setReceiver( WaveReceiver r )
{
if ( mReceiver != null ) {
mReceiver.end();
}
mReceiver = r;
}
public long getPosition()
{
return mTotalAppend;
}
public void begin( long length, WorkerState state )
{
mRunning = true;
mTotalSamples = length;
long remain = length;
while ( remain > 0 && !state.isCancelRequested() ) {
int amount = (remain > BUFLEN) ? BUFLEN : (int)remain;
mWaveSender.pull( mBufferL, mBufferR, amount );
mReceiver.push( mBufferL, mBufferR, amount );
remain -= amount;
mTotalAppend += amount;
}
mWaveSender.end();
mReceiver.end();
mRunning = false;
}
}
#if !JAVA
}
#endif
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