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Location: alysbrooks-public/games/isometric-park-fna/FNA/src/Content/ContentReaders/SoundEffectReader.cs - annotation

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Commit Description:
Add missing component and message.
Commit Description:
Add missing component and message.
References:
r710:d6b7c42f17f8 tip m7-leisure
File last commit:
r690:61b56ab85b41 default
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FNA/src/Content/ContentReaders/SoundEffectReader.cs
144 lines | 3.6 KiB | text/x-csharp | CSharpLexer
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alys
Early working version (including all dependencies, lol).
 r0 #region License
/* FNA - XNA4 Reimplementation for Desktop Platforms
alys
Upgrade FNA to 22.12...
 r690 * Copyright 2009-2022 Ethan Lee and the MonoGame Team
alys
Early working version (including all dependencies, lol).
 r0 *
* Released under the Microsoft Public License.
* See LICENSE for details.
*/
#endregion
#region Using Statements
using System.IO;
using Microsoft.Xna.Framework.Audio;
#endregion
namespace Microsoft.Xna.Framework.Content
{
internal class SoundEffectReader : ContentTypeReader<SoundEffect>
{
#region Private Supported File Extensions Variable
static string[] supportedExtensions = new string[] { ".wav" };
#endregion
#region Internal Filename Normalizer Method
internal static string Normalize(string fileName)
{
return Normalize(fileName, supportedExtensions);
}
#endregion
#region Protected Read Method
protected internal override SoundEffect Read(
ContentReader input,
SoundEffect existingInstance
) {
/* Swap endian - this is one of the very few places requiring this!
* Note: This only affects the fmt chunk that's glued into the file.
*/
bool se = input.platform == 'x';
// Format block length
uint formatLength = input.ReadUInt32();
// WaveFormatEx data
ushort wFormatTag = Swap(se, input.ReadUInt16());
ushort nChannels = Swap(se, input.ReadUInt16());
uint nSamplesPerSec = Swap(se, input.ReadUInt32());
uint nAvgBytesPerSec = Swap(se, input.ReadUInt32());
ushort nBlockAlign = Swap(se, input.ReadUInt16());
ushort wBitsPerSample = Swap(se, input.ReadUInt16());
alys
Upgrade FNA to 22.12...
 r690
byte[] extra = null;
if (formatLength > 16)
{
ushort cbSize = Swap(se, input.ReadUInt16());
alys
Early working version (including all dependencies, lol).
 r0
alys
Upgrade FNA to 22.12...
 r690 if (wFormatTag == 0x166 && cbSize == 34)
{
// XMA2 has got some nice extra crap.
extra = new byte[34];
using (MemoryStream extraStream = new MemoryStream(extra))
using (BinaryWriter extraWriter = new BinaryWriter(extraStream))
{
// See FAudio.FAudioXMA2WaveFormatEx for the layout.
extraWriter.Write(Swap(se, input.ReadUInt16()));
extraWriter.Write(Swap(se, input.ReadUInt32()));
extraWriter.Write(Swap(se, input.ReadUInt32()));
extraWriter.Write(Swap(se, input.ReadUInt32()));
extraWriter.Write(Swap(se, input.ReadUInt32()));
extraWriter.Write(Swap(se, input.ReadUInt32()));
extraWriter.Write(Swap(se, input.ReadUInt32()));
extraWriter.Write(Swap(se, input.ReadUInt32()));
extraWriter.Write(input.ReadByte());
extraWriter.Write(input.ReadByte());
extraWriter.Write(Swap(se, input.ReadUInt16()));
}
// Is there any crap that needs skipping? Eh whatever.
input.ReadBytes((int) (formatLength - 18 - 34));
}
else
{
// Seek past the rest of this crap (cannot seek though!)
input.ReadBytes((int) (formatLength - 18));
}
}
alys
Early working version (including all dependencies, lol).
 r0
// Wavedata
byte[] data = input.ReadBytes(input.ReadInt32());
// Loop information
int loopStart = input.ReadInt32();
int loopLength = input.ReadInt32();
// Sound duration in milliseconds, unused
input.ReadUInt32();
return new SoundEffect(
input.AssetName,
data,
0,
data.Length,
alys
Upgrade FNA to 22.12...
 r690 extra,
alys
Early working version (including all dependencies, lol).
 r0 wFormatTag,
nChannels,
nSamplesPerSec,
nAvgBytesPerSec,
nBlockAlign,
wBitsPerSample,
loopStart,
loopLength
);
}
#endregion
#region Internal Static Swapping Methods
internal static ushort Swap(bool swap, ushort x)
{
return !swap ? x : (ushort) (
((x >> 8) & 0x00FF) |
((x << 8) & 0xFF00)
);
}
internal static uint Swap(bool swap, uint x)
{
return !swap ? x : (
((x >> 24) & 0x000000FF) |
((x >> 8) & 0x0000FF00) |
((x << 8) & 0x00FF0000) |
((x << 24) & 0xFF000000)
);
}
#endregion
}
}