mirror of
https://github.com/crskycode/GARbro.git
synced 2024-12-25 20:34:13 +08:00
403 lines
14 KiB
C#
403 lines
14 KiB
C#
//! \file AudioFSB5.cs
|
|
//! \date Thu Apr 06 01:12:27 2017
|
|
//! \brief FMOD Sample Bank audio file.
|
|
//
|
|
// Based on [python-fsb5](https://github.com/HearthSim/python-fsb5)
|
|
//
|
|
// Copyright (c) 2016 Simon Pinfold
|
|
//
|
|
// C# implementation Copyright (C) 2017 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.Collections.Generic;
|
|
using System.ComponentModel.Composition;
|
|
using System.IO;
|
|
using GameRes.Formats.Vorbis;
|
|
|
|
namespace GameRes.Formats.Fmod
|
|
{
|
|
[Export(typeof(AudioFormat))]
|
|
public class Fsb5Audio : AudioFormat
|
|
{
|
|
public override string Tag { get { return "FSB5"; } }
|
|
public override string Description { get { return "FMOD Sample Bank audio format"; } }
|
|
public override uint Signature { get { return 0x35425346; } } // 'FSB5'
|
|
public override bool CanWrite { get { return false; } }
|
|
|
|
public override SoundInput TryOpen (IBinaryStream file)
|
|
{
|
|
var fsb = new Fsb5Decoder (file);
|
|
var sound = fsb.Convert();
|
|
file.Dispose();
|
|
return sound;
|
|
}
|
|
|
|
public override ResourceScheme Scheme
|
|
{
|
|
get { return new FmodScheme { VorbisHeaders = Fsb5Decoder.VorbisHeaders }; }
|
|
set { Fsb5Decoder.VorbisHeaders = ((FmodScheme)value).VorbisHeaders; }
|
|
}
|
|
}
|
|
|
|
enum SoundFormat
|
|
{
|
|
// Order is crucial.
|
|
None,
|
|
Pcm8,
|
|
Pcm16,
|
|
Pcm24,
|
|
Pcm32,
|
|
PcmFloat,
|
|
GcAdpcm,
|
|
ImaAdpcm,
|
|
Vag,
|
|
Hevag,
|
|
Xma,
|
|
Mpeg,
|
|
Celt,
|
|
At9,
|
|
Xwma,
|
|
Vorbis,
|
|
}
|
|
|
|
enum ChunkType
|
|
{
|
|
Channels = 1,
|
|
SampleRate = 2,
|
|
Loop = 3,
|
|
VorbisData = 11,
|
|
}
|
|
|
|
internal class Sample
|
|
{
|
|
public int SampleRate;
|
|
public ushort Channels;
|
|
public long DataOffset;
|
|
public int SampleCount;
|
|
public byte[] Data;
|
|
public Dictionary<ChunkType, object> MetaData;
|
|
}
|
|
|
|
internal class Fsb5Decoder
|
|
{
|
|
IBinaryStream m_input;
|
|
int m_sample_header_size;
|
|
int m_name_table_size;
|
|
int m_header_size;
|
|
int m_data_size;
|
|
SoundFormat m_format;
|
|
|
|
static readonly HashSet<SoundFormat> Supported = new HashSet<SoundFormat> {
|
|
SoundFormat.Pcm8,
|
|
SoundFormat.Pcm16,
|
|
SoundFormat.Pcm32,
|
|
SoundFormat.PcmFloat,
|
|
SoundFormat.Vorbis,
|
|
};
|
|
|
|
public Fsb5Decoder (IBinaryStream input)
|
|
{
|
|
m_input = input;
|
|
}
|
|
|
|
List<Sample> ReadSamples ()
|
|
{
|
|
var header = m_input.ReadHeader (0x3C);
|
|
int version = header.ToInt32 (4);
|
|
int sample_count = header.ToInt32 (8);
|
|
m_sample_header_size = header.ToInt32 (0xC);
|
|
m_name_table_size = header.ToInt32 (0x10);
|
|
m_data_size = header.ToInt32 (0x14);
|
|
m_format = (SoundFormat)header.ToInt32 (0x18);
|
|
if (!Supported.Contains (m_format))
|
|
throw new NotSupportedException();
|
|
|
|
if (0 == version)
|
|
m_input.ReadInt32();
|
|
var samples = new List<Sample> (sample_count);
|
|
m_header_size = (int)m_input.Position;
|
|
for (int i = 0; i < sample_count; ++i)
|
|
{
|
|
long raw = m_input.ReadInt64();
|
|
bool next_chunk = 0 != (raw & 1);
|
|
int sample_rate = (int)((raw >> 1) & 0xF);
|
|
ushort channels = (ushort)(((raw >> 5) & 1) + 1);
|
|
long data_offset = ((raw >> 6) & 0xFFFFFFF) * 0x10;
|
|
int count = (int)((raw >> 34) & 0x3FFFFFFF);
|
|
var chunks = new Dictionary<ChunkType, object>();
|
|
while (next_chunk)
|
|
{
|
|
int d = m_input.ReadInt32();
|
|
next_chunk = 0 != (d & 1);
|
|
int chunk_size = (d >> 1) & 0xFFFFFF;
|
|
var chunk_type = (ChunkType)((d >> 25) & 0x7F);
|
|
object chunk;
|
|
switch (chunk_type)
|
|
{
|
|
case ChunkType.Channels:
|
|
chunk = m_input.ReadUInt8();
|
|
break;
|
|
case ChunkType.SampleRate:
|
|
chunk = m_input.ReadInt32();
|
|
break;
|
|
case ChunkType.Loop:
|
|
int v1 = m_input.ReadInt32();
|
|
int v2 = m_input.ReadInt32();
|
|
chunk = Tuple.Create (v1, v2);
|
|
break;
|
|
case ChunkType.VorbisData:
|
|
chunk = new VorbisData {
|
|
Crc32 = m_input.ReadUInt32(),
|
|
Data = m_input.ReadBytes (chunk_size-4) // XXX unused
|
|
};
|
|
break;
|
|
default:
|
|
chunk = m_input.ReadBytes (chunk_size);
|
|
break;
|
|
}
|
|
chunks[chunk_type] = chunk;
|
|
}
|
|
if (chunks.ContainsKey (ChunkType.SampleRate))
|
|
sample_rate = (int)chunks[ChunkType.SampleRate];
|
|
else if (SampleRates.ContainsKey (sample_rate))
|
|
sample_rate = SampleRates[sample_rate];
|
|
else
|
|
throw new InvalidFormatException ("Invalid FSB5 sample rate.");
|
|
|
|
var sample = new Sample {
|
|
SampleRate = sample_rate,
|
|
Channels = channels,
|
|
DataOffset = data_offset,
|
|
SampleCount = count,
|
|
MetaData = chunks,
|
|
Data = null
|
|
};
|
|
samples.Add (sample);
|
|
}
|
|
return samples;
|
|
}
|
|
|
|
public SoundInput Convert ()
|
|
{
|
|
var samples = ReadSamples();
|
|
var sample = samples[0];
|
|
int data_length;
|
|
if (samples.Count > 1)
|
|
data_length = (int)(samples[1].DataOffset - sample.DataOffset);
|
|
else
|
|
data_length = m_data_size;
|
|
m_input.Position = m_header_size + m_sample_header_size + m_name_table_size;
|
|
sample.Data = m_input.ReadBytes (data_length);
|
|
|
|
if (SoundFormat.Vorbis == m_format)
|
|
return RebuildVorbis (sample);
|
|
else
|
|
return RebuildPcm (sample);
|
|
}
|
|
|
|
SoundInput RebuildPcm (Sample sample)
|
|
{
|
|
var format = new WaveFormat
|
|
{
|
|
FormatTag = (ushort)(SoundFormat.PcmFloat == m_format ? 3 : 1),
|
|
Channels = sample.Channels,
|
|
SamplesPerSecond = (uint)sample.SampleRate,
|
|
};
|
|
switch (m_format)
|
|
{
|
|
case SoundFormat.Pcm8: format.BitsPerSample = 8; break;
|
|
case SoundFormat.Pcm16: format.BitsPerSample = 16; break;
|
|
case SoundFormat.PcmFloat:
|
|
case SoundFormat.Pcm32: format.BitsPerSample = 32; break;
|
|
default: throw new InvalidFormatException();
|
|
}
|
|
format.BlockAlign = (ushort)(format.Channels * format.BitsPerSample / 8);
|
|
format.SetBPS();
|
|
var pcm = new MemoryStream (sample.Data);
|
|
return new RawPcmInput (pcm, format);
|
|
}
|
|
|
|
SoundInput RebuildVorbis (Sample sample)
|
|
{
|
|
if (!sample.MetaData.ContainsKey (ChunkType.VorbisData))
|
|
throw new InvalidFormatException ("No VORBISDATA chunk in FSB5 Vorbis stream.");
|
|
var vorbis_data = sample.MetaData[ChunkType.VorbisData] as VorbisData;
|
|
var setup_data = GetVorbisHeader (vorbis_data.Crc32);
|
|
var state = new OggStreamState (1);
|
|
|
|
var id_packet = RebuildIdPacket (sample, 0x100, 0x800);
|
|
var comment_packet = RebuildCommentPacket();
|
|
var setup_packet = RebuildSetupPacket (setup_data);
|
|
var info = CreateVorbisInfo (sample, setup_packet);
|
|
|
|
var output = new MemoryStream();
|
|
state.PacketIn (id_packet);
|
|
state.Write (output);
|
|
state.PacketIn (comment_packet);
|
|
state.Write (output);
|
|
state.PacketIn (setup_packet);
|
|
state.Write (output);
|
|
state.Flush (output);
|
|
|
|
long packet_no = setup_packet.PacketNo + 1;
|
|
long granule_pos = 0;
|
|
int prev_block_size = 0;
|
|
using (var input = new BinMemoryStream (sample.Data))
|
|
{
|
|
var packet = new OggPacket();
|
|
int packet_size = ReadPacketSize (input);
|
|
while (packet_size > 0)
|
|
{
|
|
packet.SetPacket (packet_no++, input.ReadBytes (packet_size));
|
|
packet_size = ReadPacketSize (input);
|
|
packet.EoS = 0 == packet_size;
|
|
|
|
int block_size = info.PacketBlockSize (packet);
|
|
if (prev_block_size != 0)
|
|
granule_pos += (block_size + prev_block_size) / 4;
|
|
else
|
|
granule_pos = 0;
|
|
packet.GranulePos = granule_pos;
|
|
prev_block_size = block_size;
|
|
|
|
state.PacketIn (packet);
|
|
state.Write (output);
|
|
}
|
|
}
|
|
output.Position = 0;
|
|
return new OggInput (output);
|
|
}
|
|
|
|
VorbisInfo CreateVorbisInfo (Sample sample, OggPacket setup_packet)
|
|
{
|
|
var info = new VorbisInfo {
|
|
Channels = sample.Channels,
|
|
Rate = sample.SampleRate,
|
|
};
|
|
info.CodecSetup.BlockSizes[0] = 0x100;
|
|
info.CodecSetup.BlockSizes[1] = 0x800;
|
|
var comment = new VorbisComment { Vendor = VorbisComment.EncodeVendorString };
|
|
info.SynthesisHeaderin (comment, setup_packet);
|
|
return info;
|
|
}
|
|
|
|
int ReadPacketSize (IBinaryStream input)
|
|
{
|
|
int lo = input.ReadByte();
|
|
if (-1 == lo)
|
|
return 0;
|
|
int hi = input.ReadByte();
|
|
if (-1 == hi)
|
|
return 0;
|
|
return hi << 8 | lo;
|
|
}
|
|
|
|
OggPacket RebuildIdPacket (Sample sample, uint blocksize_short, uint blocksize_long)
|
|
{
|
|
using (var buf = new MemoryStream())
|
|
using (var output = new BinaryWriter (buf))
|
|
{
|
|
output.Write ((byte)1);
|
|
output.Write ("vorbis".ToCharArray());
|
|
output.Write (0);
|
|
output.Write ((byte)sample.Channels);
|
|
output.Write (sample.SampleRate);
|
|
output.Write (0);
|
|
output.Write (0);
|
|
output.Write (0);
|
|
int lo = VorbisInfo.CountBits (blocksize_short);
|
|
int hi = VorbisInfo.CountBits (blocksize_long);
|
|
int bits = hi << 4 | lo;
|
|
output.Write ((byte)bits);
|
|
output.Write ((byte)1);
|
|
output.Flush();
|
|
|
|
var packet = new OggPacket();
|
|
packet.SetPacket (0, buf.ToArray());
|
|
packet.BoS = true;
|
|
return packet;
|
|
}
|
|
}
|
|
|
|
OggPacket RebuildCommentPacket ()
|
|
{
|
|
var comment = new VorbisComment();
|
|
var packet = new OggPacket();
|
|
comment.HeaderOut (packet);
|
|
return packet;
|
|
}
|
|
|
|
OggPacket RebuildSetupPacket (byte[] setup_packet)
|
|
{
|
|
var packet = new OggPacket();
|
|
packet.SetPacket (2, setup_packet);
|
|
return packet;
|
|
}
|
|
|
|
static readonly Dictionary<int, int> SampleRates = new Dictionary<int,int> {
|
|
{ 1, 8000 },
|
|
{ 2, 11000 },
|
|
{ 3, 11025 },
|
|
{ 4, 16000 },
|
|
{ 5, 22050 },
|
|
{ 6, 24000 },
|
|
{ 7, 32000 },
|
|
{ 8, 44100 },
|
|
{ 9, 48000 },
|
|
};
|
|
|
|
public static byte[] GetVorbisHeader (uint id)
|
|
{
|
|
FmodVorbisSetup setup;
|
|
if (!VorbisHeaders.TryGetValue (id, out setup))
|
|
throw new InvalidFormatException (string.Format ("Unknown FSB5 Vorbis encoding 0x{0:X8}.", id));
|
|
if (null == setup.PatchData || 0 == setup.PatchData.Length)
|
|
return setup.VorbisData;
|
|
var data = setup.VorbisData.Clone() as byte[];
|
|
Buffer.BlockCopy (setup.PatchData, 0, data, setup.PatchOffset, setup.PatchData.Length);
|
|
return data;
|
|
}
|
|
|
|
internal static Dictionary<uint, FmodVorbisSetup> VorbisHeaders = new Dictionary<uint, FmodVorbisSetup>();
|
|
}
|
|
|
|
internal class VorbisData
|
|
{
|
|
public uint Crc32;
|
|
public byte[] Data; // ignored
|
|
}
|
|
|
|
[Serializable]
|
|
public class FmodVorbisSetup
|
|
{
|
|
public byte[] VorbisData;
|
|
public int PatchOffset;
|
|
public byte[] PatchData;
|
|
}
|
|
|
|
[Serializable]
|
|
public class FmodScheme : ResourceScheme
|
|
{
|
|
public Dictionary<uint, FmodVorbisSetup> VorbisHeaders;
|
|
}
|
|
}
|