mirror of
https://github.com/crskycode/GARbro.git
synced 2024-12-24 03:44:13 +08:00
559 lines
19 KiB
C#
559 lines
19 KiB
C#
//! \file AudioWA1.cs
|
|
//! \date Thu Apr 16 11:49:16 2015
|
|
//! \brief FFA System compressed WAV format.
|
|
//
|
|
// Copyright (C) 2015 by morkt
|
|
//
|
|
// Permission is hereby granted, free of charge, to any person obtaining a copy
|
|
// of this software and associated documentation files (the "Software"), to
|
|
// deal in the Software without restriction, including without limitation the
|
|
// rights to use, copy, modify, merge, publish, distribute, sublicense, and/or
|
|
// sell copies of the Software, and to permit persons to whom the Software is
|
|
// furnished to do so, subject to the following conditions:
|
|
//
|
|
// The above copyright notice and this permission notice shall be included in
|
|
// all copies or substantial portions of the Software.
|
|
//
|
|
// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
|
|
// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
|
|
// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
|
|
// AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
|
|
// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
|
|
// FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS
|
|
// IN THE SOFTWARE.
|
|
//
|
|
|
|
using System;
|
|
using System.ComponentModel.Composition;
|
|
using System.IO;
|
|
using System.Text;
|
|
using GameRes.Compression;
|
|
using GameRes.Utility;
|
|
|
|
namespace GameRes.Formats.Ffa
|
|
{
|
|
[Export(typeof(AudioFormat))]
|
|
public class Wa1Audio : AudioFormat
|
|
{
|
|
public override string Tag { get { return "WA1"; } }
|
|
public override string Description { get { return "FFA System wave audio format"; } }
|
|
public override uint Signature { get { return 0; } }
|
|
|
|
public override SoundInput TryOpen (IBinaryStream file)
|
|
{
|
|
int packed = file.ReadInt32();
|
|
if (packed < 0)
|
|
return null;
|
|
byte[] input;
|
|
if (packed > 12)
|
|
{
|
|
if ((packed + 8) != file.Length)
|
|
return null;
|
|
int unpacked = file.ReadInt32();
|
|
if (unpacked <= 0)
|
|
return null;
|
|
using (var reader = new LzssReader (file.AsStream, packed, unpacked))
|
|
{
|
|
reader.Unpack();
|
|
if (Binary.AsciiEqual (reader.Data, 0, "RIFF"))
|
|
{
|
|
var sound = new WaveInput (new MemoryStream (reader.Data));
|
|
file.Dispose();
|
|
return sound;
|
|
}
|
|
input = reader.Data;
|
|
}
|
|
}
|
|
else
|
|
{
|
|
if (0x46464952 != file.ReadInt32()) // 'RIFF'
|
|
return null;
|
|
file.Position = 0;
|
|
input = new byte[file.Length];
|
|
file.Read (input, 0, input.Length);
|
|
}
|
|
var wa1 = new Wa1Reader (input);
|
|
wa1.Unpack();
|
|
var wav = new WaveInput (new MemoryStream (wa1.Data));
|
|
file.Dispose();
|
|
return wav;
|
|
}
|
|
}
|
|
|
|
internal class Wa1Reader
|
|
{
|
|
byte[] m_input;
|
|
byte[] m_output;
|
|
int m_type;
|
|
int m_data_size;
|
|
|
|
public int Type { get { return m_type; } }
|
|
public byte[] Data { get { return m_output; } }
|
|
|
|
public Wa1Reader (byte[] input)
|
|
{
|
|
m_input = input;
|
|
m_type = LittleEndian.ToInt32 (m_input, 0);
|
|
if (!Binary.AsciiEqual (m_input, 4, "RIFF") || !Binary.AsciiEqual (m_input, 0x28, "data"))
|
|
throw new InvalidFormatException();
|
|
m_data_size = LittleEndian.ToInt32 (m_input, 0x2c);
|
|
m_output = new byte[m_data_size+0x2c];
|
|
Buffer.BlockCopy (m_input, 4, m_output, 0, 0x2c);
|
|
LittleEndian.Pack (m_output.Length-8, m_output, 4);
|
|
}
|
|
|
|
internal static readonly ushort[] SampleTable = {
|
|
0x39, 0x39, 0x39, 0x39, 0x4D, 0x66, 0x80, 0x99,
|
|
0x39, 0x39, 0x39, 0x39, 0x4D, 0x66, 0x80, 0x99,
|
|
};
|
|
|
|
public byte[] Unpack ()
|
|
{
|
|
switch (Type)
|
|
{
|
|
case 0: UnpackV0(); break;
|
|
case 4: UnpackV4(); break;
|
|
case 8: UnpackV8(); break;
|
|
case 12: UnpackV12(); break;
|
|
default: throw new InvalidFormatException();
|
|
}
|
|
return m_output;
|
|
}
|
|
|
|
void UnpackV4 ()
|
|
{
|
|
int src = 0x30;
|
|
int dst = 0x2c;
|
|
uint v72 = 127;
|
|
int v73 = 0;
|
|
int v74 = 0;
|
|
int a5 = 0;
|
|
for (int v71 = m_data_size >> 1; v71 != 0; --v71)
|
|
{
|
|
int v75 = a5;
|
|
int v76 = a5 & 0xFFFF;
|
|
int v77 = v75 >> 16;
|
|
int v81;
|
|
int v78;
|
|
int v79;
|
|
int v80;
|
|
if ((byte)v77 < 8u)
|
|
{
|
|
v78 = m_input[src++];
|
|
v79 = v78 << v77;
|
|
v77 = (v77 + 8) & 0xff;
|
|
v76 |= v79;
|
|
}
|
|
if ((v76 & 3) == 2)
|
|
{
|
|
v80 = v76 >> 2;
|
|
v77 = (v77 - 2) & 0xff;
|
|
v81 = 0;
|
|
}
|
|
else if (0 != (v76 & 3))
|
|
{
|
|
if ((v76 & 7) == 5)
|
|
{
|
|
v80 = v76 >> 3;
|
|
v77 = (v77 - 3) & 0xff;
|
|
v81 = 1;
|
|
}
|
|
else if ( (v76 & 7) == 1 )
|
|
{
|
|
v80 = v76 >> 3;
|
|
v77 = (v77 - 3) & 0xff;
|
|
v81 = 9;
|
|
}
|
|
else if ( (v76 & 0xF) == 11 )
|
|
{
|
|
v80 = v76 >> 4;
|
|
v77 = (v77 - 4) & 0xff;
|
|
v81 = 2;
|
|
}
|
|
else if ((v76 & 0xF) == 3)
|
|
{
|
|
v80 = v76 >> 4;
|
|
v77 = (v77 - 4) & 0xff;
|
|
v81 = 10;
|
|
}
|
|
else if ((v76 & 0x1F) == 23)
|
|
{
|
|
v80 = v76 >> 5;
|
|
v77 = (v77 - 5) & 0xff;
|
|
v81 = 3;
|
|
}
|
|
else if ((v76 & 0x1F) == 7)
|
|
{
|
|
v80 = v76 >> 5;
|
|
v77 = (v77 - 5) & 0xff;
|
|
v81 = 11;
|
|
}
|
|
else if ((v76 & 0x3F) == 47)
|
|
{
|
|
v80 = v76 >> 6;
|
|
v77 = (v77 - 6) & 0xff;
|
|
v81 = 4;
|
|
}
|
|
else if ((v76 & 0x3F) == 15)
|
|
{
|
|
v80 = v76 >> 6;
|
|
v77 = (v77 - 6) & 0xff;
|
|
v81 = 12;
|
|
}
|
|
else if ((v76 & 0x7F) == 95)
|
|
{
|
|
v80 = v76 >> 7;
|
|
v77 = (v77 - 7) & 0xff;
|
|
v81 = 5;
|
|
}
|
|
else if ((v76 & 0x7F) == 31)
|
|
{
|
|
v80 = v76 >> 7;
|
|
v77 = (v77 - 7) & 0xff;
|
|
v81 = 13;
|
|
}
|
|
else
|
|
{
|
|
switch (v76 & 0xff)
|
|
{
|
|
case 0x7F: v81 = 6; break;
|
|
case 0xFF: v81 = 14; break;
|
|
case 0xBF: v81 = 7; break;
|
|
default: v81 = 15; break;
|
|
}
|
|
v80 = v76 >> 8;
|
|
v77 = (v77 - 8) & 0xff;
|
|
}
|
|
}
|
|
else
|
|
{
|
|
v80 = v76 >> 2;
|
|
v77 = (v77 - 2) & 0xff;
|
|
v81 = 8;
|
|
}
|
|
int v82 = (v77 << 16) | v80;
|
|
a5 = v82;
|
|
int v83 = v81;
|
|
v82 = ((v81 & 7) << 1) + 1;
|
|
|
|
uint v84 = (v72 * (uint)(ushort)v82) >> 3;
|
|
uint v85 = v84 & 0xffff;
|
|
|
|
if (0 != (v83 & 8))
|
|
{
|
|
int dword = v74 << 16 | (v73 & 0xffff);
|
|
dword -= (int)v85;
|
|
v73 = dword & 0xffff;
|
|
v74 = dword >> 16;
|
|
if (v74 < 0 && v73 < 0x8000u)
|
|
{
|
|
v73 = -32768;
|
|
v74 = -1;
|
|
}
|
|
}
|
|
else
|
|
{
|
|
int dword = v74 << 16 | (v73 & 0xffff);
|
|
dword += (int)v85;
|
|
v73 = dword & 0xffff;
|
|
v74 = dword >> 16;
|
|
if (v74 >= 0 && v73 >= 0x8000u)
|
|
{
|
|
v73 = 32767;
|
|
v74 = 0;
|
|
}
|
|
}
|
|
uint v88 = (uint)SampleTable[v81] * v72;
|
|
v72 = (v88 >> 6) & 0xffff;
|
|
if (v72 < 0x7fu)
|
|
v72 = 0x7f;
|
|
else if (v72 > 0x6000u)
|
|
v72 = 0x6000;
|
|
LittleEndian.Pack ((ushort)v73, m_output, dst);
|
|
dst += 2;
|
|
}
|
|
}
|
|
|
|
void UnpackV0 ()
|
|
{
|
|
int src = 0x30;
|
|
int dst = 0x2c;
|
|
uint v12 = 127;
|
|
int v13 = 0;
|
|
int v14 = 0;
|
|
int a5 = 0;
|
|
for (int v11 = m_data_size >> 1; v11 != 0; --v11)
|
|
{
|
|
if ((a5 >> 8) == 1)
|
|
{
|
|
a5 = m_input[src++];
|
|
}
|
|
else
|
|
{
|
|
a5 = 0x100 | (m_input[src] >> 4);
|
|
}
|
|
int v15 = a5 & 0xF;
|
|
int v160 = v15;
|
|
int v16 = v15;
|
|
|
|
uint v17 = v12 * (uint)(byte)(2 * (v15 & 7) + 1) >> 3;
|
|
uint v18 = v17 & 0xffff;
|
|
|
|
if (0 != (v16 & 8))
|
|
{
|
|
int dword = v14 << 16 | (v13 & 0xffff);
|
|
dword -= (int)v18;
|
|
v13 = dword & 0xffff;
|
|
v14 = dword >> 16;
|
|
if ( v14 < 0 && v13 < 0x8000u )
|
|
{
|
|
v13 = -32768;
|
|
v14 = -1;
|
|
}
|
|
}
|
|
else
|
|
{
|
|
int dword = v14 << 16 | (v13 & 0xffff);
|
|
dword += (int)v18;
|
|
v13 = dword & 0xffff;
|
|
v14 = dword >> 16;
|
|
if ( v14 >= 0 && v13 >= 0x8000u )
|
|
{
|
|
v13 = 32767;
|
|
v14 = 0;
|
|
}
|
|
}
|
|
uint v21 = (uint)SampleTable[v160] * v12;
|
|
v12 = (v21 >> 6) & 0xffff;
|
|
if (v12 < 0x7Fu)
|
|
v12 = 127;
|
|
else if (v12 > 0x6000u)
|
|
v12 = 0x6000;
|
|
LittleEndian.Pack ((ushort)v13, m_output, dst);
|
|
dst += 2;
|
|
}
|
|
}
|
|
|
|
void UnpackV8 ()
|
|
{
|
|
int src = 0x30;
|
|
int dst = 0x2c;
|
|
int v95 = m_data_size >> 2;
|
|
for (int i = 0; i < 2; ++i)
|
|
{
|
|
int a5 = i;
|
|
uint v96 = 127;
|
|
int v97 = 0;
|
|
int v98 = 0;
|
|
int v172 = dst;
|
|
for (int j = 0; j < v95; ++j)
|
|
{
|
|
if (1 == (a5 >> 8))
|
|
{
|
|
a5 = m_input[src++];
|
|
}
|
|
else
|
|
{
|
|
a5 = 0x100 | (m_input[src] >> 4);
|
|
}
|
|
int v99 = a5 & 0xF;
|
|
int v150 = v99;
|
|
int v100 = v99;
|
|
|
|
uint v101 = v96 * (uint)(byte)(2 * (v99 & 7) + 1) >> 3;
|
|
uint v102 = v101 & 0xffff;
|
|
if (0 != (v100 & 8))
|
|
{
|
|
int dword = v98 << 16 | (v97 & 0xffff);
|
|
dword -= (int)v102;
|
|
v97 = dword & 0xffff;
|
|
v98 = dword >> 16;
|
|
if ( v98 < 0 && v97 < 0x8000u )
|
|
{
|
|
v97 = -32768;
|
|
v98 = -1;
|
|
}
|
|
}
|
|
else
|
|
{
|
|
int dword = v98 << 16 | (v97 & 0xffff);
|
|
dword += (int)v102;
|
|
v97 = dword & 0xffff;
|
|
v98 = dword >> 16;
|
|
if ( v98 >= 0 && v97 >= 0x8000u )
|
|
{
|
|
v97 = 32767;
|
|
v98 = 0;
|
|
}
|
|
}
|
|
uint v105 = (uint)SampleTable[v150] * v96;
|
|
v96 = (v105 >> 6) & 0xffff;
|
|
|
|
if (v96 < 0x7Fu)
|
|
v96 = 127;
|
|
else if (v96 > 0x6000u)
|
|
v96 = 0x6000;
|
|
LittleEndian.Pack ((ushort)v97, m_output, dst);
|
|
dst += 4;
|
|
}
|
|
dst = v172 + 2;
|
|
}
|
|
}
|
|
|
|
void UnpackV12 ()
|
|
{
|
|
int src = 0x30;
|
|
int dst = 0x2c;
|
|
int v124 = m_data_size >> 2;
|
|
int v125 = 0;
|
|
for (int i = 0; i < 2; ++i)
|
|
{
|
|
uint v126 = 127;
|
|
int v127 = 0;
|
|
int v128 = 0;
|
|
int output_begin = dst;
|
|
for (int j = 0; j < v124; ++j)
|
|
{
|
|
int v130 = v125 & 0xFFFF;
|
|
int v131 = v125 >> 16;
|
|
int v132;
|
|
int v133;
|
|
int v134;
|
|
int v135;
|
|
if ((byte)v131 < 8)
|
|
{
|
|
v132 = m_input[src++];
|
|
v133 = v132 << v131;
|
|
v131 = (v131 + 8) & 0xFF;
|
|
v130 |= v133;
|
|
}
|
|
if (2 == (v130 & 3))
|
|
{
|
|
v134 = v130 >> 2;
|
|
v131 = (v131 - 2) & 0xFF;
|
|
v135 = 0;
|
|
}
|
|
else if (0 == (v130 & 3))
|
|
{
|
|
v134 = v130 >> 2;
|
|
v131 = (v131 - 2) & 0xFF;
|
|
v135 = 8;
|
|
}
|
|
else if (5 == (v130 & 7))
|
|
{
|
|
v134 = v130 >> 3;
|
|
v131 = (v131 - 3) & 0xFF;
|
|
v135 = 1;
|
|
}
|
|
else if (1 == (v130 & 7))
|
|
{
|
|
v134 = v130 >> 3;
|
|
v131 = (v131 - 3) & 0xFF;
|
|
v135 = 9;
|
|
}
|
|
else if (11 == (v130 & 0xF))
|
|
{
|
|
v134 = v130 >> 4;
|
|
v131 = (v131 - 4) & 0xFF;
|
|
v135 = 2;
|
|
}
|
|
else if (3 == (v130 & 0xF))
|
|
{
|
|
v134 = v130 >> 4;
|
|
v131 = (v131 - 4) & 0xFF;
|
|
v135 = 10;
|
|
}
|
|
else if (23 == (v130 & 0x1F))
|
|
{
|
|
v134 = v130 >> 5;
|
|
v131 = (v131 - 5) & 0xFF;
|
|
v135 = 3;
|
|
}
|
|
else if (7 == (v130 & 0x1F))
|
|
{
|
|
v134 = v130 >> 5;
|
|
v131 = (v131 - 5) & 0xFF;
|
|
v135 = 11;
|
|
}
|
|
else if (47 == (v130 & 0x3F))
|
|
{
|
|
v134 = v130 >> 6;
|
|
v131 = (v131 - 6) & 0xFF;
|
|
v135 = 4;
|
|
}
|
|
else if (15 == (v130 & 0x3F))
|
|
{
|
|
v134 = v130 >> 6;
|
|
v131 = (v131 - 6) & 0xFF;
|
|
v135 = 12;
|
|
}
|
|
else if (95 == (v130 & 0x7F))
|
|
{
|
|
v134 = v130 >> 7;
|
|
v131 = (v131 - 7) & 0xFF;
|
|
v135 = 5;
|
|
}
|
|
else if (31 == (v130 & 0x7F))
|
|
{
|
|
v134 = v130 >> 7;
|
|
v131 = (v131 - 7) & 0xFF;
|
|
v135 = 13;
|
|
}
|
|
else
|
|
{
|
|
switch (v130 & 0xFF)
|
|
{
|
|
case 0x7F: v135 = 6; break;
|
|
case 0xFF: v135 = 14; break;
|
|
case 0xBF: v135 = 7; break;
|
|
default: v135 = 15; break;
|
|
}
|
|
v134 = v130 >> 8;
|
|
v131 = (v131 - 8) & 0xFF;
|
|
}
|
|
v125 = (v131 << 16) | v134;
|
|
int v136 = ((v135 & 7) << 1) + 1;
|
|
|
|
int v138 = (int)((v126 * (uint)(ushort)v136) >> 3);
|
|
int v139 = v138 & 0xFFFF;
|
|
|
|
if (0 != (v135 & 8))
|
|
{
|
|
int dword = v128 << 16 | (v127 & 0xffff);
|
|
dword -= v139;
|
|
v127 = dword & 0xffff;
|
|
v128 = dword >> 16;
|
|
if ( v128 < 0 && v127 < 0x8000u )
|
|
{
|
|
v127 = -32768;
|
|
v128 = -1;
|
|
}
|
|
}
|
|
else
|
|
{
|
|
int dword = v128 << 16 | (v127 & 0xffff);
|
|
dword += v139;
|
|
v127 = dword & 0xffff;
|
|
v128 = dword >> 16;
|
|
if ( v128 >= 0 && v127 >= 0x8000u )
|
|
{
|
|
v127 = 32767;
|
|
v128 = 0;
|
|
}
|
|
}
|
|
uint v142 = (uint)SampleTable[v135] * v126;
|
|
v126 = (v142 >> 6) & 0xffff;
|
|
|
|
if (v126 < 0x7F)
|
|
v126 = 0x7F;
|
|
else if (v126 > 0x6000)
|
|
v126 = 0x6000;
|
|
LittleEndian.Pack ((ushort)v127, m_output, dst);
|
|
dst += 4;
|
|
}
|
|
dst = output_begin + 2;
|
|
}
|
|
}
|
|
}
|
|
}
|