using System;
using System.Runtime.InteropServices;

namespace Susurrus.XAudio2
{
    /// <summary>
    /// The XAUDIO2_VOICE_STATE that a source voice reports about its queue.
    /// </summary>
    // xaudio2.h packs every struct to one byte.  On x64 that puts SamplesPlayed at offset 12, not 16.
    [StructLayout(LayoutKind.Sequential, Pack = 1)]
    public struct XAudio2VoiceState
    {
        public const uint NoSamplesPlayed = 0x0100;

        public IntPtr CurrentBufferContext;
        public uint BuffersQueued;
        public ulong SamplesPlayed;
    }
}