//timer
private void _t_Tick(object sender, EventArgs e)
{
int ret = BassWasapi.BASS_WASAPI_GetData(_fft, (int)BASSData.BASS_DATA_FFT2048); //get channel fft data
if (ret < -1)
{
return;
}
int x, y;
int b0 = 0;
List <byte> serialdata = new List <byte>();
//computes the spectrum data, the code is taken from a bass_wasapi sample.
for (x = 0; x < _lines; x++)
{
float peak = 0;
int b1 = (int)Math.Pow(2, x * 10.0 / (_lines - 1));
if (b1 > 1023)
{
b1 = 1023;
}
if (b1 <= b0)
{
b1 = b0 + 1;
}
for (; b0 < b1; b0++)
{
if (peak < _fft[1 + b0])
{
peak = _fft[1 + b0];
}
}
y = (int)(Math.Sqrt(peak) * 3 * 255 - 4);
if (y > 255)
{
y = 255;
}
if (y < 0)
{
y = 0;
}
_spectrumdata.Add((byte)y);
if (x == _sendline)
{
serialdata.Add((byte)y);
}
//Console.Write("{0, 3} ", y);
}
if (DisplayEnable)
{
_spectrum.Set(_spectrumdata);
}
if (Serial != null)
{
Serial.Write(serialdata.ToArray(), 0, serialdata.Count);
Console.WriteLine(ConvertStringArrayToStringJoin(serialdata.ToArray()));
}
_spectrumdata.Clear();
int level = BassWasapi.BASS_WASAPI_GetLevel();
_l.Value = Utils.LowWord32(level);
_r.Value = Utils.HighWord32(level);
if (level == _lastlevel && level != 0)
{
_hanctr++;
}
_lastlevel = level;
//Required, because some programs hang the output. If the output hangs for a 75ms
//this piece of code re initializes the output so it doesn't make a gliched sound for long.
if (_hanctr > 3)
{
_hanctr = 0;
_l.Value = 0;
_r.Value = 0;
Free();
Bass.BASS_Init(0, 44100, BASSInit.BASS_DEVICE_DEFAULT, IntPtr.Zero);
_initialized = false;
Enable = true;
}
}
//timer
private void _t_Tick(object sender, EventArgs e)
{
var ret = BassWasapi.BASS_WASAPI_GetData(_fft, (int)BASSData.BASS_DATA_FFT2048); //get channel fft data
if (ret < -1)
{
return;
}
int line;
var b0 = 0;
//computes the spectrum data, the code is taken from a bass_wasapi sample.
for (line = 0; line < _lines; line++)
{
float peak = 0;
var b1 = (int)Math.Pow(2, line * 10.0 / (_lines - 1));
if (b1 > 1023)
{
b1 = 1023;
}
if (b1 <= b0)
{
b1 = b0 + 1;
}
for (; b0 < b1; b0++)
{
if (peak < _fft[1 + b0])
{
peak = _fft[1 + b0];
}
}
var y = (int)(Math.Sqrt(peak) * 496);
if (y > 255)
{
y = 255;
}
if (y < 0)
{
y = 0;
}
_spectrumdata.Add((byte)y);
}
// Pre-Process the spectrum data
ProcessSpectrum(_spectrumdata, _oldSpectrumdata);
if (NormalizeEnabled)
{
for (line = 0; line < _spectrumdata.Count; line++)
{
if (_maxSpectrumValue[line] > _minSpectrumValue[line] + 20)
{
// ReSharper disable once UnusedVariable
var precentApart = Math.Abs(_maxSpectrumValue[line] - _minSpectrumValue[line]) / 255;
_maxSpectrumValue[line] -= NormalDecayVelocity;
//_minSpectrumValue[line] += NormalDecayVelocity;
}
if (_maxSpectrumValue[line] < _spectrumdata[line])
{
_maxSpectrumValue[line] = (byte)_spectrumdata[line];
}
//if (_minSpectrumValue[line] > _spectrumdata[line]) _minSpectrumValue[line] = (byte)_spectrumdata[line];
_spectrumdata[line] = (byte)ConvertRange(_minSpectrumValue[line], _maxSpectrumValue[line], 0, 255, _spectrumdata[line]);
//Console.WriteLine((byte)_minSpectrumValue[line]);
}
}
//_mode.Display(_spectrumdata);
_oldSpectrumdata.Clear();
_oldSpectrumdata.AddRange(_spectrumdata.ToArray());
// Post
if (DisplayEnable)
{
_spectrum.Set(ByteSpectrumData);
}
Serial?.Write(ByteSpectrumData.ToArray(), 0, _spectrumdata.Count);
_spectrumdata.Clear();
var level = BassWasapi.BASS_WASAPI_GetLevel();
if (level == _lastlevel && level != 0)
{
_hanctr++;
}
_lastlevel = level;
if (SetModeFlag && Serial != null)
{
SetMode(Modes.ModeList[_mode]);
}
//Required, because some programs hang the output. If the output hangs for a 75ms
//this piece of code re initializes the output so it doesn't make a gliched sound for long.
if (_hanctr <= 3)
{
return;
}
_hanctr = 0;
Free();
Bass.BASS_Init(0, 44100, BASSInit.BASS_DEVICE_DEFAULT, IntPtr.Zero);
_initialized = false;
Enable = true;
}
void AnimateCenterRightLeft()
{
int x, y;
int b0 = 0;
int chanelCount = 1;
_spectrumdata.Clear();
//computes the spectrum data, the code is taken from a bass_wasapi sample.
for (x = 0; x < chanelCount; x++)
{
float peak = 0;
int b1 = (int)Math.Pow(2, x * 10.0 / (chanelCount - 1));
if (b1 > 1023)
{
b1 = 1023;
}
if (b1 <= b0)
{
b1 = b0 + 1;
}
for (; b0 < b1; b0++)
{
if (peak < _fft[1 + b0])
{
peak = _fft[1 + b0];
}
}
y = (int)(Math.Sqrt(peak) * 3 * 255 - 4);
if (y > 255)
{
y = 255;
}
if (y < 0)
{
y = 0;
}
_spectrumdata.Add((byte)y);
//Console.Write("{0, 3} ", y);
}
if (DisplayEnable)
{
_spectrum.Set(_spectrumdata);
}
//if (Serial != null)
//{
// Serial.Write(_spectrumdata.ToArray(), 0, _spectrumdata.Count);
//}
int level = BassWasapi.BASS_WASAPI_GetLevel();
var left = (float)Utils.LowWord32(level) / 32768;;
var right = (float)Utils.HighWord32(level) / 32768;
if ((DateTime.Now - lastBeat).TotalSeconds > 1)
{
if (left > Percentile(powerHistory.Select(_ => _.Item1), .8f))
{
lastBeat = DateTime.Now;
lastindex += 125;
System.Diagnostics.Debug.WriteLine("beat " + DateTime.Now.Second + " " + DateTime.Now.Millisecond);
}
}
if (client != null)
{
Array.Clear(_ledArray, 0, _ledArray.Length);
lastindex += colorStep;
if (lastindex > 256)
{
lastindex = lastindex % 256;
}
for (int i = 0; i < _ledArray.Length; i++)
{
_ledArray[i] = colorwheel((lastindex + i * colorStep) % 256);
}
var specLength = (_leftIdx - _rightIdx) / chanelCount;
var rem = (_leftIdx - _rightIdx) % 3 + specLength % 2;
specLength = specLength / 2;
//Newtonsoft.Json.Linq.JArray arr = new Newtonsoft.Json.Linq.JArray();
for (int i = 0; i < chanelCount; i++)
{
var colorStart = (int)(i * ((float)256 / (float)chanelCount));
for (int j = 0; j < specLength; j++)
{
var powerLevel = (float)_spectrumdata[i] / (float)255;
var percentLevel = (float)(j + 1) / (float)specLength;
// var color = 0;
var on = powerLevel > percentLevel;
var idxa = _rightIdx + i * (specLength * 2) + specLength - (j + 1);
var idxb = _rightIdx + i * (specLength * 2) + specLength + j;
_ledArray[idxa] = on ? _ledArray[idxa] : 0;
_ledArray[idxb] = on ? _ledArray[idxb] : 0;
}
}
// var percentLoud = 1.1* (float)Utils.LowWord32(level)/ (float)65553;
for (int i = 0; i < _rightIdx; i++)
{
var percentIdx = (float)(i + 1) / (float)_rightIdx;
var lon = (1.1 * Math.Pow(left, .4)) > percentIdx;
var ron = (1.1 * Math.Pow(right, .4)) > percentIdx;
_ledArray[i] = ron ? _ledArray[0] : 0;
_ledArray[_ledArray.Length - i - 1] = lon ? _ledArray[0] : 0;
}
Render();
}
}
