Ejemplo n.º 1
0
 private void PeekUpdateTimer_Elapsed(object sender, System.Timers.ElapsedEventArgs e)
 {
     try
     {
         synchronizationContext.Post(s =>
         {
             int PeekCount = Device.AudioMeterInformation.PeakValues.Count;
             _Master.Peek  = Device.AudioMeterInformation.MasterPeakValue;
             for (int iPeek = 0; iPeek < PeekCount; ++iPeek)
             {
                 _Channels[iPeek].Peek = Device.AudioMeterInformation.PeakValues[iPeek];
             }
         }
                                     , null);
         OnPropertyChanged("Master");
         OnPropertyChanged("Channels");
     }
     catch (Exception ex)
     {
         Misc.LogStatics.Debug("{0}", ex);
         _HasException = true;
     }
     finally
     {
         if (!_HasException)
         {
             PeekUpdateTimer.Start();
         }
     }
 }
Ejemplo n.º 2
0
        public AudioDeviceViewModel(NAudio.CoreAudioApi.MMDevice audioDevice)
        {
            synchronizationContext = SynchronizationContext.Current;
            Device = audioDevice;
            if (Device.State == NAudio.CoreAudioApi.DeviceState.Active && Device.DataFlow == NAudio.CoreAudioApi.DataFlow.Render)
            {
                float MaxDecibels = Device.AudioEndpointVolume.VolumeRange.MaxDecibels;
                float MinDecibels = Device.AudioEndpointVolume.VolumeRange.MinDecibels;
                Misc.LogStatics.Debug("Device:{0} MasterLevel={1} MasterScalar={2} MaxDecibels={3} MinDecibels={4}",
                                      Device.FriendlyName,
                                      Device.AudioEndpointVolume.MasterVolumeLevel,
                                      Device.AudioEndpointVolume.MasterVolumeLevelScalar,
                                      MaxDecibels,
                                      MinDecibels);
                try
                {
                    int ChannelCount = Math.Max(Device.AudioEndpointVolume.Channels.Count, Device.AudioMeterInformation.PeakValues.Count);
                    _Master.Volume = Math.Round(Device.AudioEndpointVolume.MasterVolumeLevelScalar * 100.0);
                    _Master.Peek   = Device.AudioMeterInformation.MasterPeakValue;
                    _Channels      = new ChannelViewModel[ChannelCount];

                    for (int iChannel = 0; iChannel < ChannelCount; ++iChannel)
                    {
                        double ChVol  = 0.0;
                        double ChPeek = 0.0;
                        if (iChannel < Device.AudioEndpointVolume.Channels.Count)
                        {
                            NAudio.CoreAudioApi.AudioEndpointVolumeChannel Channel = Device.AudioEndpointVolume.Channels[iChannel];
                            ChVol = Math.Round(Channel.VolumeLevelScalar * 100.0);
                            Misc.LogStatics.Debug("\tCH:{0} Level={1} Scalar={2}", iChannel, Channel.VolumeLevel, Channel.VolumeLevelScalar);
                        }
                        if (iChannel < Device.AudioEndpointVolume.Channels.Count)
                        {
                            ChPeek = Device.AudioMeterInformation.PeakValues[iChannel];
                        }
                        _Channels[iChannel] = new ChannelViewModel(ChVol, ChPeek);
                    }
                }
                catch (Exception ex)
                {
                    Misc.LogStatics.Debug("{0}", ex);
                }
                try
                {
                    Device.AudioEndpointVolume.OnVolumeNotification += AudioEndpointVolume_OnVolumeNotification;
                    PeekUpdateTimer.Elapsed += PeekUpdateTimer_Elapsed;
                    PeekUpdateTimer.Start();
                }
                catch (Exception ex)
                {
                    Misc.LogStatics.Debug("{0}", ex);
                }
            }
        }