Ryujinx/Ryujinx.HLE/HOS/Services/Vi/Parcel.cs

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using System;
using System.IO;
namespace Ryujinx.HLE.HOS.Services.Android
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{
static class Parcel
{
public static byte[] GetParcelData(byte[] parcel)
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{
if (parcel == null)
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{
throw new ArgumentNullException(nameof(parcel));
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}
using (MemoryStream ms = new MemoryStream(parcel))
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{
BinaryReader reader = new BinaryReader(ms);
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int dataSize = reader.ReadInt32();
int dataOffset = reader.ReadInt32();
int objsSize = reader.ReadInt32();
int objsOffset = reader.ReadInt32();
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ms.Seek(dataOffset - 0x10, SeekOrigin.Current);
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return reader.ReadBytes(dataSize);
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}
}
public static byte[] MakeParcel(byte[] data, byte[] objs)
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{
if (data == null)
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{
throw new ArgumentNullException(nameof(data));
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}
if (objs == null)
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{
throw new ArgumentNullException(nameof(objs));
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}
using (MemoryStream ms = new MemoryStream())
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{
BinaryWriter writer = new BinaryWriter(ms);
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writer.Write(data.Length);
writer.Write(0x10);
writer.Write(objs.Length);
writer.Write(data.Length + 0x10);
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writer.Write(data);
writer.Write(objs);
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return ms.ToArray();
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}
}
}
}