/// <summary>
/// returns the core's SoundProvider, or a suitable dummy provider
/// </summary>
public static ISoundProvider AsSoundProviderOrDefault(this IEmulator core)
{
return(core.ServiceProvider.GetService <ISoundProvider>()
?? CachedNullSoundProviders.GetValue(core, e => new NullSound(core.VsyncNumerator(), core.VsyncDenominator())));
}
public static double VsyncRate(this IEmulator core)
{
return(core.VsyncNumerator() / (double)core.VsyncDenominator());
}