public EqualizerViewModel(Equalizer equalizer)
{
this.Equalizer = equalizer;
SetToDefaultCommand = ReactiveCommand.Create(this.WhenAnyValue(x => x.Equalizer.IsEnabled));
SetToDefaultCommand.Subscribe(_ => Equalizer.SetToDefault());
CloseEqualizerCommand = ReactiveCommand.Create();
CloseEqualizerCommand.Subscribe(_ => {
if (this.Equalizer.IsEnabled)
{
this.Equalizer.SaveEqualizerSettings();
}
});
}
internal bool ConfigureInternal()
{
try
{
this.Initializied = false;
// Global Settings
if (!Factory.System_Create(out this.system).ERRCHECK())
{
return(false);
}
uint version;
this.system.getVersion(out version).ERRCHECK();
if (version < VERSION.number)
{
return(false);
}
if (!this.system.init(16, INITFLAGS.NORMAL, (IntPtr)null).ERRCHECK())
{
return(false);
}
if (!this.system.setStreamBufferSize(64 * 1024, TIMEUNIT.RAWBYTES).ERRCHECK())
{
return(false);
}
// equalizer
this.Equalizer = Equalizer.GetEqualizer(this.system, this.playerSettings);
this.Volume = this.playerSettings.PlayerEngine.Volume;
this.IsMute = this.playerSettings.PlayerEngine.Mute;
this.State = PlayerState.Stop;
this.LengthMs = 0;
this.WhenAnyValue(x => x.Volume)
.Subscribe(newVolume => {
this.playerSettings.PlayerEngine.Volume = newVolume;
ChannelGroup masterChannelGroup;
this.system.getMasterChannelGroup(out masterChannelGroup).ERRCHECK();
masterChannelGroup.setVolume(newVolume / 100f).ERRCHECK();
this.system.update().ERRCHECK();
});
this.WhenAnyValue(x => x.IsMute)
.Subscribe(mute => {
this.playerSettings.PlayerEngine.Mute = mute;
ChannelGroup masterChannelGroup;
this.system.getMasterChannelGroup(out masterChannelGroup).ERRCHECK();
masterChannelGroup.setMute(mute).ERRCHECK(FMOD.RESULT.ERR_INVALID_HANDLE);
this.system.update().ERRCHECK();
});
var canSetCurrentPosition = this.WhenAny(x => x.CanSetCurrentPositionMs, y => y.LengthMs,
(dontUpdate, length) => dontUpdate.Value && length.Value > 0);
this.SetCurrentPositionMs = ReactiveCommand.Create(canSetCurrentPosition);
this.SetCurrentPositionMs.Subscribe(x => {
var newPos = this.CurrentPositionMs >= this.LengthMs ? this.LengthMs - 1 : this.CurrentPositionMs;
if (this.channelInfo != null)
{
this.channelInfo.SetCurrentPositionMs(newPos);
}
this.CanSetCurrentPositionMs = false;
});
this.timer = new DispatcherTimer(TimeSpan.FromMilliseconds(10),
DispatcherPriority.Normal,
this.PlayTimerCallback,
Application.Current.Dispatcher);
this.timer.Stop();
this.Initializied = true;
return(true);
}
catch (Exception exception)
{
System.Diagnostics.Debug.WriteLine(exception);
return(false);
}
}
public static Equalizer GetEqualizer(FMOD.System system, PlayerSettings settings)
{
var eq = new Equalizer(system, settings);
eq.Initializied = true;
return eq;
}