public void NotifyUpdateForms(VuMeter ob_VuMeter, UpdateForms Update)
{
if (UpdateFormsEvent != null)
{
UpdateFormsEvent(ob_VuMeter, Update);
}
}
public void NotifyPeakOverload(VuMeter ob_VM, PeakOverload Overload)
{
if (PeakOverloadEvent != null)
{
PeakOverloadEvent(ob_VM, Overload);
}
}
public MainUnitViewModel(MainUnitModel mainUnit, MainViewModel main)
{
main.Communication.ConnectionModeChanged += Communication_ConnectionModeChanged;
_mainUnit = mainUnit;
_main = main;
main.SystemChanged += UpdateName;
VuMeter = new VuMeter(this);
AlarmMessages = new AlarmMessagesViewModel(this);
UpdateConnectionMode();
}
// catch the peak overload event triggered by VuMeter
public void CatchPeakOverloadEvent(object sender, AudioLib.Events.VuMeter.PeakOverloadEventArgs ob_PeakOverload)
{
VuMeter ob_VuMeter = sender as VuMeter;
if (ob_PeakOverload.Channel == 1)
{
}
if (ob_PeakOverload.Channel == 2)
{
}
m_OverloadLightEnabled = true;
}
// function to catch the update event from VuMeter class to update graph cordinates
public void CatchPeakMeterUpdateEvent(object sender, AudioLib.VuMeter.PeakMeterUpdateEventArgs e)
{
VuMeter ob_VuMeterArg = sender as VuMeter;
mVuMeter = ob_VuMeterArg;
double channelValueLeft = 0;
double channelValueRight = 0;
if (e.PeakDb != null && e.PeakDb.Length > 0)
{
channelValueLeft = e.PeakDb[0];
if (e.PeakDb.Length > 1)
{
channelValueRight = e.PeakDb[1];
}
else
{
channelValueRight = channelValueLeft;
}
//if (channelValueLeft == Double.PositiveInfinity
// && e.PeakDb.Length > 1
// && channelValueRight == Double.PositiveInfinity)
//{
// CatchResetEvent();
// return;
//}
}
// Update erase left and erase right cordinates
int ThresholdFactor = 12500 / (210 - 15);
int DisplayAmpLeft = (int)((channelValueLeft * ThresholdFactor) / 100.0);
int DisplayAmpRight = (int)((channelValueRight * ThresholdFactor) / 100.0);
int Offset = 65 - ((15 * ThresholdFactor) / 100);
DisplayAmpLeft = DisplayAmpLeft + Offset;
DisplayAmpRight = DisplayAmpRight + Offset;
EraserLeft = Convert.ToInt32(LowBottom - (ScaleFactor * DisplayAmpLeft));
EraserRight = Convert.ToInt32(LowBottom - (ScaleFactor * DisplayAmpRight));
//EraserLeft = 100+ mVuMeter.m_MeanValueLeft;
tmRefresh.Start();
//MessageBox.Show(EraserLeft.ToString());
}
private void btnPlay_Click(object sender, System.EventArgs e)
{
/*
* OpenFileDialog ofd = new OpenFileDialog();
* ofd.Filter = "wave files(*.wav|*.wav";
* ofd.ShowDialog();
* textBox1.Text = ofd.FileName;
* textBox2.Text = ofd.FileName;
*
* //AudioClip ob_Clip = new AudioClip (textBox1.Text) ;
*
* AudioMediaAsset am = new AudioMediaAsset (ob_Clip.Channels , ob_Clip.BitDepth , ob_Clip.SampleRate) ;
*
*
* am.AddClip (ob_Clip) ;
*
* AudioClip ob_Clip1 = new AudioClip (textBox2.Text) ;
* am.AddClip (ob_Clip1) ;
*
* AudioClip ob_Clip2 = new AudioClip ("F:\\My Documents\\Project\\0.wav" , 0, 5000) ;
* am.AddClip (ob_Clip2) ;
*/
VuMeter ob_VuMeter = new VuMeter();
ob_VuMeter.ScaleFactor = 2;
ob_VuMeter.SampleTimeLength = 2000;
ob_VuMeter.LowerThreshold = 10;
ob_VuMeter.UpperThreshold = 80;
ob_VuMeter.ShowForm();
ap.VuMeterObject = ob_VuMeter;
Microsoft.DirectX.DirectSound.Device dSound = new Microsoft.DirectX.DirectSound.Device();
dSound.SetCooperativeLevel(this, CooperativeLevel.Priority);
ap.OutputDevice = dSound;
ap.CompFactor = 1;
ap.Play(am);
//MessageBox.Show ("Done") ;
}
// function to catch the update event from VuMeter class to update graph cordinates
public void CatchUpdateForms(object sender, AudioLib.Events.VuMeter.UpdateFormsEventArgs Update)
{
VuMeter ob_VuMeterArg = sender as VuMeter;
mVuMeter = ob_VuMeterArg;
// Update erase left and erase right cordinates
int ThresholdFactor = 12500 / (mVuMeter.UpperThreshold - mVuMeter.LowerThreshold);
int DisplayAmpLeft = (mVuMeter.ChannelValueLeft * ThresholdFactor) / 100;
int DisplayAmpRight = (mVuMeter.ChannelValueRight * ThresholdFactor) / 100;
int Offset = 65 - ((mVuMeter.LowerThreshold * ThresholdFactor) / 100);
DisplayAmpLeft = DisplayAmpLeft + Offset;
DisplayAmpRight = DisplayAmpRight + Offset;
EraserLeft = Convert.ToInt32(LowBottom - (ScaleFactor * DisplayAmpLeft));
EraserRight = Convert.ToInt32(LowBottom - (ScaleFactor * DisplayAmpRight));
//EraserLeft = 100+ mVuMeter.m_MeanValueLeft;
tmRefresh.Start();
//MessageBox.Show(EraserLeft.ToString());
}
private void InitializeAudioStuff()
{
mCurrentAudioStreamProvider = () =>
{
if (!String.IsNullOrEmpty(FilePath))
{
if (m_FilePlayStream == null)
{
m_FilePlayStream = File.Open(FilePath, FileMode.Open);
}
return(m_FilePlayStream);
}
return(null);
};
m_Player = new AudioPlayer();
m_Player.StateChanged += Player_StateChanged;
m_Recorder = new AudioRecorder();
m_Recorder.StateChanged += Recorder_StateChanged;
m_VuMeter = new VuMeter(m_Player, m_Recorder);
/*m_GraphicalPeakMeter = new GraphicalPeakMeter
* {
* BarPaddingToWidthRatio = 0.075F,
* Dock = System.Windows.Forms.DockStyle.Fill,
* FontToHeightRatio = 0.03F,
* FontToWidthRatio = 0.075F,
* Location = new System.Drawing.Point(0, 0),
* MinimumSize = new System.Drawing.Size(200, 300),
* Name = "mGraphicalPeakMeter",
* Size = new System.Drawing.Size(400, 500),
* SourceVuMeter = m_VuMeter,
* TabIndex = 0
* };
*
* WinFormPeakMeter.Child = m_GraphicalPeakMeter;
*/
WinFormHost.Child = new System.Windows.Forms.Control("needed by DirectSound");
m_Player.SetDevice(WinFormHost.Child, @"auto");
m_PeakMeterBarDataCh1 = new PeakMeterBarData(() => peakMeterCanvasInvalidateVisual());
m_PeakMeterBarDataCh2 = new PeakMeterBarData(() => peakMeterCanvasInvalidateVisual());
m_PeakMeterBarDataCh1.ValueDb = Double.NegativeInfinity;
m_PeakMeterBarDataCh2.ValueDb = Double.NegativeInfinity;
m_PeakMeterValues = new double[2];
m_Player.EndOfAudioAsset += new EndOfAudioAssetHandler(OnEndOfAudioAsset);
m_Player.StateChanged += new StateChangedHandler(OnAudioPlayerStateChanged);
m_VuMeter.UpdatePeakMeter += new UpdatePeakMeterHandler(OnUpdateVuMeter);
m_VuMeter.ResetEvent += new ResetHandler(OnResetVuMeter);
m_VuMeter.PeakOverload += new PeakOverloadHandler(OnPeakOverload);
/*
* m_GraphicalVuMeter = new GraphicalVuMeter()
* {
* Dock = System.Windows.Forms.DockStyle.Fill,
* //Location = new System.Drawing.Point(0, 0),
* MinimumSize = new System.Drawing.Size(50, 50),
* Name = "mVuMeter",
* Size = new System.Drawing.Size(400, 500),
* TabIndex = 0,
* VuMeter = m_VuMeter
* };
* WinFormVuMeter.Child = m_GraphicalVuMeter;
*/
}
