private void createMixer(int column, MemoryStreamEM sonifiedWAV, float[,] imArr)
{
int arrNotesLength = imArr.GetLength(0);
float[] paramArray = new float[_scanHeight];
for (int i = 0; i < arrNotesLength; i++)
{
paramArray[i] = imArr[i, column];
}
generateColumn(paramArray, column, _myEyeMusic.model.ScanSpeed, sonifiedWAV);
}
public MemoryStream createWavMemory(Bitmap bitmap, string name, bool create_img, bool with_cue)
{
bitmap = managementGUI.resizeImage(bitmap, _scanWidth, _scanHeight, _myEyeMusic.ResizeMode);
Rectangle rect = new Rectangle(0, 0, bitmap.Width, bitmap.Height);
System.Drawing.Imaging.BitmapData bmpData = bitmap.LockBits(rect, System.Drawing.Imaging.ImageLockMode.ReadOnly, bitmap.PixelFormat);
float[,] imArr = ReconstructColor(bmpData);
bitmap.UnlockBits(bmpData);
if (create_img)
{
Bitmap clusteredImage = generatePostClassifictionBitmap(imArr);
// display image
_myEyeMusic.setScanPictureBoxes(clusteredImage);
}
MemoryStreamEM sonifiedWAV = new MemoryStreamEM();
MemoryStream toREt = sonifiedWAV.Create(_myEyeMusic.OutDirectory + "\\" + name + ".wav", false, 44100, 16);
double volume = _myEyeMusic.MyVolume;
if (_myEyeMusic.MyCueType.Equals(eyeMusic2.CueType.NoCue))
{
volume = 0.0;
}
if (with_cue)
{
short sample;
WAVFile cueWAVFile = new WAVFile(); // adding cue
cueWAVFile.Open(_myEyeMusic._mapFile + "\\Sounds\\" + _myEyeMusic.model.beep_noise, WAVFile.WAVFileMode.READ);
for (int j = 0; j < cueWAVFile.NumSamples; j++)
{
sample = (short)(volume * cueWAVFile.GetNextSample_16bit());
sample = Math.Min(short.MaxValue, sample);
sonifiedWAV.AddSample_16bit(sample);
}
cueWAVFile.Close();
}
for (int i = 0; i < _scanWidth; i++)
{
createMixer(i, sonifiedWAV, imArr);
}
sonifiedWAV.addLength();
toREt = sonifiedWAV.mFileStream;
return(toREt);
}
public void generateColumn(float[] parameterVector, int column, int duration, MemoryStreamEM sonifiedWAV)
{
int samplesToExtract = (int)(duration * ((double)SampleRate / 1000.0));
int startSample = FirstSample + column * samplesToExtract;
int colorNumber = 0;
double attenuation = 1.0;
int samplesPerColumn = 0;
int sampleSum = 0;
for (int j = 0; j < samplesToExtract; j++)
{
sampleSum = 0;
samplesPerColumn = 0;
for (int i = 0; i < parameterVector.Length; i++)
{
// Get color number and color attenuation
colorNumber = (int)(Math.Floor(Math.Abs(parameterVector[i])));
if (colorNumber >= 5)
{
colorNumber = 5;
}
if (colorNumber != 0) // color isn't black
{
attenuation = ((parameterVector[i]) - colorNumber); // the height of the tone
samplesPerColumn++;
sampleSum += (int)(attenuation * _samplesArray[calculateWaveIndex(colorNumber, i), j + startSample]);
}
}
sampleSum = (int)((double)sampleSum / (double)Math.Sqrt(samplesPerColumn));
sampleSum = Math.Min(short.MaxValue, sampleSum);
sonifiedWAV.AddSample_16bit((short)sampleSum); // Clipping may occur here
}
}
