mirror of
https://github.com/crskycode/GARbro.git
synced 2024-11-23 21:55:34 +08:00
230 lines
9.3 KiB
C#
230 lines
9.3 KiB
C#
//! \file AudioWADY.cs
|
|
//! \date Sat Mar 28 01:36:42 2015
|
|
//! \brief Marble engine audio 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;
|
|
|
|
namespace GameRes.Formats.Marble
|
|
{
|
|
public class WadyInput : SoundInput
|
|
{
|
|
byte MulValue;
|
|
|
|
public override long Position
|
|
{
|
|
get { return Source.Position; }
|
|
set { Source.Position = value; }
|
|
}
|
|
|
|
public override bool CanSeek { get { return Source.CanSeek; } }
|
|
|
|
public override int SourceBitrate
|
|
{
|
|
get { return (int)Format.AverageBytesPerSecond * 8; }
|
|
}
|
|
|
|
public override string SourceFormat { get { return "raw"; } }
|
|
|
|
public override long Seek (long offset, SeekOrigin origin)
|
|
{
|
|
return Source.Seek (offset, origin);
|
|
}
|
|
|
|
public override int Read (byte[] buffer, int offset, int count)
|
|
{
|
|
return Source.Read (buffer, offset, count);
|
|
}
|
|
|
|
public override int ReadByte ()
|
|
{
|
|
return Source.ReadByte();
|
|
}
|
|
|
|
public WadyInput (Stream file) : base (new MemoryStream())
|
|
{
|
|
using (var input = new BinaryReader (file))
|
|
{
|
|
input.BaseStream.Seek (5, SeekOrigin.Begin);
|
|
MulValue = input.ReadByte();
|
|
input.BaseStream.Seek (6, SeekOrigin.Current);
|
|
int src_size = input.ReadInt32();
|
|
input.BaseStream.Seek (16, SeekOrigin.Current);
|
|
var format = new WaveFormat();
|
|
format.FormatTag = input.ReadUInt16();
|
|
format.Channels = input.ReadUInt16();
|
|
format.SamplesPerSecond = input.ReadUInt32();
|
|
format.AverageBytesPerSecond = input.ReadUInt32();
|
|
format.BlockAlign = input.ReadUInt16();
|
|
format.BitsPerSample = input.ReadUInt16();
|
|
format.ExtraSize = 0;
|
|
this.Format = format;
|
|
int remaining = (int)(input.BaseStream.Length-input.BaseStream.Position);
|
|
if (remaining == src_size)
|
|
{
|
|
(Source as MemoryStream).Capacity = src_size * 2;
|
|
Decode (input, src_size, Source);
|
|
}
|
|
else
|
|
Decode2 (input, Source);
|
|
Source.Position = 0;
|
|
this.PcmSize = Source.Length;
|
|
}
|
|
}
|
|
|
|
private void Decode (BinaryReader input, int count, Stream output)
|
|
{
|
|
using (var buffer = new BinaryWriter (output, Encoding.ASCII, true))
|
|
{
|
|
ushort sampleL = 0;
|
|
ushort sampleR = 0;
|
|
for (int i = 0; i < count; ++i)
|
|
{
|
|
byte v = input.ReadByte();
|
|
if (0 != (v & 0x80))
|
|
sampleL = (ushort)(v << 9);
|
|
else
|
|
sampleL += (ushort)(MulValue * SampleTable[v]);
|
|
buffer.Write (sampleL);
|
|
if (1 != Format.Channels)
|
|
{
|
|
++i;
|
|
v = input.ReadByte();
|
|
if (0 != (v & 0x80))
|
|
sampleR = (ushort)(v << 9);
|
|
else
|
|
sampleR += (ushort)(MulValue * SampleTable[v]);
|
|
buffer.Write (sampleR);
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
private void Decode2 (BinaryReader input, Stream output)
|
|
{
|
|
if (1 != Format.Channels)
|
|
{
|
|
int channel_size = input.ReadInt32();
|
|
Decode3 (input, output, 2);
|
|
input.BaseStream.Position = 0x38 + channel_size;
|
|
output.Position = 2;
|
|
Decode3 (input, output, 2);
|
|
}
|
|
else
|
|
Decode3 (input, output, 0);
|
|
}
|
|
|
|
private void Decode3 (BinaryReader input, Stream output, int step)
|
|
{
|
|
input.ReadInt32(); // unpacked_size
|
|
int count = input.ReadInt32();
|
|
using (var buffer = new BinaryWriter (output, Encoding.ASCII, true))
|
|
{
|
|
short sample = input.ReadInt16();
|
|
buffer.Write (sample);
|
|
for (int i = 0; i < count; ++i)
|
|
{
|
|
if (count - 300 == i)
|
|
sample = 0;
|
|
ushort v = input.ReadByte();
|
|
if (0 != (v & 1))
|
|
{
|
|
ushort v14 = (ushort)((v >> 1) & 0x7F);
|
|
if (0 != (v14 & 0x40))
|
|
sample = (short)(v14 << 10);
|
|
else
|
|
sample += (short)SampleTable2[v14];
|
|
buffer.Write (sample);
|
|
if (step != 0)
|
|
buffer.BaseStream.Seek (step, SeekOrigin.Current);
|
|
}
|
|
else
|
|
{
|
|
v |= (ushort)(input.ReadByte() << 8);
|
|
int repeat = SizeTable[(v >> 1) & 7];
|
|
short end = (short)(v & 0xFFF0);
|
|
double inc = (end - sample) / (double)repeat;
|
|
double v8 = sample;
|
|
for (int j = 0; j < repeat; ++j)
|
|
{
|
|
v8 += inc;
|
|
buffer.Write ((short)v8);
|
|
if (step != 0)
|
|
buffer.BaseStream.Seek (step, SeekOrigin.Current);
|
|
}
|
|
sample = end;
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
static readonly int[] SizeTable = new int[] { 3, 4, 5, 6, 8, 0x10, 0x20, 0x100 };
|
|
|
|
static readonly ushort[] SampleTable = new ushort[] {
|
|
0x0000, 0x0002, 0x0004, 0x0006, 0x0008, 0x000A, 0x000C, 0x000F,
|
|
0x0012, 0x0015, 0x0018, 0x001C, 0x0020, 0x0024, 0x0028, 0x002C,
|
|
0x0031, 0x0036, 0x003B, 0x0040, 0x0046, 0x004C, 0x0052, 0x0058,
|
|
0x005F, 0x0066, 0x006D, 0x0074, 0x007C, 0x0084, 0x008C, 0x0094,
|
|
0x00A0, 0x00AA, 0x00B4, 0x00BE, 0x00C8, 0x00D2, 0x00DC, 0x00E6,
|
|
0x00F0, 0x00FF, 0x010E, 0x011D, 0x012C, 0x0140, 0x0154, 0x0168,
|
|
0x017C, 0x0190, 0x01A9, 0x01C2, 0x01DB, 0x01F4, 0x020D, 0x0226,
|
|
0x0244, 0x0262, 0x028A, 0x02BC, 0x02EE, 0x0320, 0x0384, 0x03E8,
|
|
0x0000, 0xFFFE, 0xFFFC, 0xFFFA, 0xFFF8, 0xFFF6, 0xFFF4, 0xFFF1,
|
|
0xFFEE, 0xFFEB, 0xFFE8, 0xFFE4, 0xFFE0, 0xFFDC, 0xFFD8, 0xFFD4,
|
|
0xFFCF, 0xFFCA, 0xFFC5, 0xFFC0, 0xFFBA, 0xFFB4, 0xFFAE, 0xFFA8,
|
|
0xFFA1, 0xFF9A, 0xFF93, 0xFF8C, 0xFF84, 0xFF7C, 0xFF74, 0xFF6C,
|
|
0xFF60, 0xFF56, 0xFF4C, 0xFF42, 0xFF38, 0xFF2E, 0xFF24, 0xFF1A,
|
|
0xFF10, 0xFF01, 0xFEF2, 0xFEE3, 0xFED4, 0xFEC0, 0xFEAC, 0xFE98,
|
|
0xFE84, 0xFE70, 0xFE57, 0xFE3E, 0xFE25, 0xFE0C, 0xFDF3, 0xFDDA,
|
|
0xFDBC, 0xFD9E, 0xFD76, 0xFD44, 0xFD12, 0xFCE0, 0xFC7C, 0xFC18,
|
|
};
|
|
|
|
static readonly ushort[] SampleTable2 = new ushort[] {
|
|
0x0000, 0x0004, 0x0008, 0x000C, 0x0013, 0x0018, 0x001E, 0x0026,
|
|
0x002F, 0x003B, 0x004A, 0x005C, 0x0073, 0x0090, 0x00B4, 0x00E1,
|
|
0x0119, 0x0160, 0x01B8, 0x0226, 0x02AF, 0x035B, 0x0431, 0x053E,
|
|
0x068E, 0x0831, 0x0A3D, 0x0CCD, 0x1000, 0x1400, 0x1900, 0x1F40,
|
|
0x0000, 0xFFFC, 0xFFF8, 0xFFF4, 0xFFED, 0xFFE8, 0xFFE2, 0xFFDA,
|
|
0xFFD1, 0xFFC5, 0xFFB6, 0xFFA4, 0xFF8D, 0xFF70, 0xFF4C, 0xFF1F,
|
|
0xFEE7, 0xFEA0, 0xFE48, 0xFDDA, 0xFD51, 0xFCA5, 0xFBCF, 0xFAC2,
|
|
0xF972, 0xF7CF, 0xF5C3, 0xF333, 0xF000, 0xEC00, 0xE700, 0xE0C0,
|
|
};
|
|
}
|
|
|
|
[Export(typeof(AudioFormat))]
|
|
public class WadyAudio : AudioFormat
|
|
{
|
|
public override string Tag { get { return "WAY"; } }
|
|
public override string Description { get { return "Marble engine wave audio format"; } }
|
|
public override uint Signature { get { return 0x59444157u; } } // 'WADY'
|
|
|
|
public override SoundInput TryOpen (Stream file)
|
|
{
|
|
return new WadyInput (file);
|
|
}
|
|
}
|
|
}
|