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/*
* UtauFreq.cs
* Copyright © 2009-2011 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.io.*;
import org.kbinani.*;
#else
using System;
using org.kbinani;
using org.kbinani.java.io;
namespace org.kbinani.cadencii {
#endif
public class UtauFreq {
public String Header;
public int SampleInterval;
public double AverageFrequency;
public int NumPoints;
public double[] Frequency;
public double[] Volume;
private UtauFreq() {
}
/*public static UtauFreq FromWav( String file ) {
throw new NotImplementedException();
return null;
}*/
/// <summary>
/// *.frqファイルからのコンストラクタ
/// </summary>
/// <param name="file"></param>
public static UtauFreq FromFrq( String file ){
UtauFreq ret = new UtauFreq();
FileInputStream fs = null;
try {
fs = new FileInputStream( file );
byte[] buf0 = new byte[8];
fs.read( buf0, 0, 8 );
char[] ch8 = new char[8];
for ( int i = 0; i < 8; i++ ) {
ch8[i] = (char)buf0[i];
}
ret.Header = new String( ch8 );
fs.read( buf0, 0, 4 );
ret.SampleInterval = PortUtil.make_int32_le( buf0 );
fs.read( buf0, 0, 8 );
ret.AverageFrequency = PortUtil.make_double_le( buf0 );
for ( int i = 0; i < 4; i++ ) {
int len2 = fs.read( buf0, 0, 4 );
int i1 = PortUtil.make_int32_le( buf0 );
}
fs.read( buf0, 0, 4 );
ret.NumPoints = PortUtil.make_int32_le( buf0 );
ret.Frequency = new double[ret.NumPoints];
ret.Volume = new double[ret.NumPoints];
byte[] buf = new byte[16];
int len = fs.read( buf, 0, 16 );
int index = 0;
while ( len > 0 ) {
double d1 = PortUtil.make_double_le( buf );
for ( int i = 0; i < 4; i++ ) {
buf[i] = buf[i + 4];
}
double d2 = PortUtil.make_double_le( buf );
ret.Frequency[index] = d1;
ret.Volume[index] = d2;
len = fs.read( buf, 0, 16 );
index++;
}
} catch ( Exception ex ) {
} finally {
if ( fs != null ) {
try {
fs.close();
} catch ( Exception ex2 ) {
}
}
}
return ret;
}
public void Write( FileOutputStream fs )
#if JAVA
throws IOException
#endif
{
byte[] buf0 = new byte[8];
char[] ch8 = Header.ToCharArray();
for ( int i = 0; i < 8; i++ ) {
if ( i >= ch8.Length ) {
buf0[i] = 0x0;
} else {
buf0[i] = (byte)ch8[i];
}
}
fs.write( buf0, 0, 8 );
buf0 = PortUtil.getbytes_uint32_le( SampleInterval );
fs.write( buf0, 0, 4 );
buf0 = PortUtil.getbytes_double_le( AverageFrequency );
fs.write( buf0, 0, 8 );
for ( int i = 0; i < 4; i++ ) {
buf0 = PortUtil.getbytes_int32_le( 0 );
fs.write( buf0, 0, 4 );
}
buf0 = PortUtil.getbytes_int32_le( NumPoints );
fs.write( buf0, 0, 4 );
for ( int i = 0; i < NumPoints; i++ ) {
buf0 = PortUtil.getbytes_double_le( Frequency[i] );
fs.write( buf0, 0, 8 );
buf0 = PortUtil.getbytes_double_le( Volume[i] );
fs.write( buf0, 0, 8 );
}
}
}
#if !JAVA
}
#endif
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