public MainWindow()
{
lesdatas = new SoundPArameters(this);
InitializeComponent();
lesseries = new SeriesCollection
{
new LineSeries
{
Values = new ChartValues <ObservablePoint>
{
new ObservablePoint(0, 0),
new ObservablePoint(100, 0),
new ObservablePoint(100, 50),
new ObservablePoint(110, 50),
new ObservablePoint(110, 0),
new ObservablePoint(600, 0)
},
LineSmoothness = 0,
PointGeometrySize = 0,
StrokeThickness = 1,
Stroke = new SolidColorBrush(Colors.DarkRed),
Fill = new SolidColorBrush(Colors.Pink)
},
new LineSeries
{
Values = new ChartValues <ObservablePoint>
{
new ObservablePoint(0, 0),
new ObservablePoint(500, 0),
new ObservablePoint(500, 100),
new ObservablePoint(510, 100),
new ObservablePoint(510, 0),
new ObservablePoint(600, 0)
},
LineSmoothness = 0,
PointGeometrySize = 0,
StrokeThickness = 1,
Stroke = new SolidColorBrush(Colors.DarkRed),
Fill = new SolidColorBrush(Colors.Red)
},
new LineSeries
{
Values = new ChartValues <ObservablePoint>
{
new ObservablePoint(490, 0),
new ObservablePoint(490, 80),
new ObservablePoint(505, 80),
new ObservablePoint(505, 0)
},
LineSmoothness = 0,
PointGeometrySize = 0,
StrokeThickness = 1,
Opacity = .2,
Fill = new SolidColorBrush(new Color {
R = Colors.AliceBlue.R, G = Colors.AliceBlue.G, B = Colors.AliceBlue.B, A = 150
}),
Stroke = new SolidColorBrush(new Color {
R = 0, A = 150, G = 0, B = 255
})
}
};
DataContext = this;
ReglPulse.DataContext = this.lesdatas;
ReglPpi.DataContext = this.lesdatas;
ReglLight.DataContext = this.lesdatas;
//txtPulsDelay.DataContext = this;
}
// genere le buffer
public int gendata(SoundPArameters lesdata)
{
int freq = int.Parse(lesdata.stimFreq);
int ppiatt = int.Parse(lesdata.ppiAtten);
int ppistart = lesdata.debPPi;
uint ppinbcycles = uint.Parse(lesdata.ppiDuration);
int stimstart = int.Parse(lesdata.stimDelay);
uint stimnbcycles = uint.Parse(lesdata.stimDuration);
int stimduree = (int)float.Parse(lesdata.stimAbsDur);
int totaldur = stimstart + stimduree + 100; // rajouote 100ms de silence a la fin
uint nbsample = (uint)totaldur * 96; // a 96 khz
int levelstim = int.Parse(lesdata.stimAtten);
double stimamplit = Math.Pow(-levelstim / 10.0, 10);
int levelppi = int.Parse(lesdata.ppiAtten);
int lightstrt = int.Parse(lesdata.lightDelay);
uint lightnbcycles = uint.Parse(lesdata.lightDuration);
lightnbcycles = (uint)(lightnbcycles * 10000.0 / (double)freq); // calcul du nb ech de lumiere sachant qu'on definit sa longueur en nb cycles audio
uint buffersize = (uint)totaldur * 2 * 96;
//taille complete du uffer
ledata.floatArray = new float[buffersize];
uint i;
for (i = 0; i < buffersize; i++)
{
ledata.floatArray[i] = (float)0.0;
}
//int amplitude = 32000;
double stimlevel = Math.Pow(10, -levelstim / 10);
double ppilevel = stimlevel * Math.Pow(10, -levelppi / 10);
double t = (double)(lechunk.dwSamplesPerSec) / (double)freq;// ombre echantilllons d'un cycle
int canal = 0;
//double freqpi = 2.0 * Math.PI * freq;
double freqpi = 2.0 * Math.PI / lechunk.dwSamplesPerSec * freq;
uint nbsamplespulse = (uint)t * ppinbcycles;
int offsetppi = ppistart * 96;
for (i = 0; i < nbsamplespulse; i++)
{
ledata.floatArray[2 * offsetppi + 2 * i + canal] = (float)ppilevel * (float)(Math.Sin(freqpi * (double)i));
}
nbsamplespulse = (uint)t * stimnbcycles;
int offsetstim = 2 * (stimstart * 96); // x2 car en stereo il faut 2 echantillons pour chaque ecahntillon
for (i = 0; i < nbsamplespulse; i++)
{
ledata.floatArray[offsetstim + 2 * i + canal] = (float)stimlevel * (float)(Math.Sin(freqpi * (double)i));
}
// envoi lumiere sur lautre canal
freqpi = 2.0 * Math.PI / lechunk.dwSamplesPerSec * 10000.0;
canal = 1 - canal; // on passe sur l'autre canal
t = (double)(lechunk.dwSamplesPerSec) / (double)10000; // ombre echantilllons d'un cycle
nbsamplespulse = (uint)t * lightnbcycles;
int offsetlight = 2 * (lightstrt * 96); // x2 car en stereo il faut 2 echantillons pour chaque ecahntillon
double lightamplit = 1.0;
for (i = 0; i < nbsamplespulse; i++)
{
float Value = (float)lightamplit * (float)(Math.Sin(freqpi * (double)i));
//String outputstr = Value.ToString()+" ";
//Debug.Write(outputstr);
ledata.floatArray[offsetlight + 2 * i + canal] = Value;
}
ledata.dwChunkSize = buffersize * 4;
return(0);
}
