using System;

namespace MU3.Sound;

class patch_SoundManager: SoundManager {
    public class SoundPatch { };
    private void setWasapiExclusive() {
        using IniFile iniFile = new IniFile("mu3.ini");
        var sixCh = iniFile.getValue("Sound", "WasapiExclusive", 1) == 1;
        var sampleRate = (uint)iniFile.getValue("Sound", "SampleRate", 48000);

        CriAtomUserExtension.WaveFormatExtensible format = default;
        format.Format = default;
        format.Format.wFormatTag = 65534;
        format.Format.nChannels = (ushort)(sixCh ? 6 : 2);
        format.Format.nSamplesPerSec = sampleRate;
        format.Format.wBitsPerSample = 32;
        format.Format.nBlockAlign = (ushort)(format.Format.wBitsPerSample / 8 * format.Format.nChannels);
        format.Format.nAvgBytesPerSec = format.Format.nSamplesPerSec * format.Format.nBlockAlign;
        format.Format.cbSize = 22;
        format.Samples.wValidBitsPerSample = 24;
        format.dwChannelMask = sixCh ? 0b111111u : 0b11u;
        format.SubFormat = new Guid("00000001-0000-0010-8000-00aa00389b71");
        CriAtomUserExtension.SetAudioClientShareMode(CriAtomUserExtension.AudioClientShareMode.Exclusive);
        CriAtomUserExtension.SetAudioClientFormat(ref format);
    }
}