Steam VR Audio Playback Mirror Device

SteamVR_AudioPlaybackMirrorDevice.cs

public string GetAudioPlaybackMirrorDevice ()
{
    System.Text.StringBuilder sb = new System.Text.StringBuilder(128);
    Valve.VR.EVRSettingsError er = new Valve.VR.EVRSettingsError();

    Valve.VR.OpenVR.Settings.GetString(
        Valve.VR.OpenVR.k_pch_audio_Section,
        Valve.VR.OpenVR.k_pch_audio_OnPlaybackMirrorDevice_String,
        sb,
        (uint)sb.Capacity,
        "",
        ref er);

    return sb.ToString();
}

public void SetAudioPlaybackMirrorDevice (string serial)
{
    Valve.VR.EVRSettingsError er = new Valve.VR.EVRSettingsError();

    Valve.VR.OpenVR.Settings.SetString(
        Valve.VR.OpenVR.k_pch_audio_Section,
        Valve.VR.OpenVR.k_pch_audio_OnPlaybackMirrorDevice_String,
        serial,
        ref er);

    Valve.VR.OpenVR.Settings.Sync(false, ref er);
}

public void ClearAudioPlaybackMirrorDevice ()
{
    SetAudioPlaybackMirrorDevice("");
}