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Audio visualizer

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Serge
2023-05-18 18:21:09 +02:00
parent 0eb6209eda
commit 06320afcb3
2 changed files with 49 additions and 48 deletions
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50
app/AnimeMatrix/AniMatrix.cs
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@@ -18,6 +18,9 @@ namespace GHelper.AnimeMatrix
public static bool IsValid => mat != null; public static bool IsValid => mat != null;
private static long lastPresent;
private static List<double> maxes = new List<double>();
public AniMatrix() public AniMatrix()
{ {
try try
@@ -164,7 +167,7 @@ namespace GHelper.AnimeMatrix
} }
private static void WaveIn_DataAvailable(object? sender, WaveInEventArgs e) private void WaveIn_DataAvailable(object? sender, WaveInEventArgs e)
{ {
int bytesPerSamplePerChannel = AudioDevice.WaveFormat.BitsPerSample / 8; int bytesPerSamplePerChannel = AudioDevice.WaveFormat.BitsPerSample / 8;
int bytesPerSample = bytesPerSamplePerChannel * AudioDevice.WaveFormat.Channels; int bytesPerSample = bytesPerSamplePerChannel * AudioDevice.WaveFormat.Channels;
@@ -194,7 +197,50 @@ namespace GHelper.AnimeMatrix
double[] paddedAudio = FftSharp.Pad.ZeroPad(AudioValues); double[] paddedAudio = FftSharp.Pad.ZeroPad(AudioValues);
double[] fftMag = FftSharp.Transform.FFTmagnitude(paddedAudio); double[] fftMag = FftSharp.Transform.FFTmagnitude(paddedAudio);
mat.PresentAudio(fftMag); PresentAudio(fftMag);
}
private void DrawBar(int pos, double h)
{
int dx = pos * 2;
int dy = 20;
byte color;
for (int y = 0; y < h - (h % 2); y++)
for (int x = 0; x < 2 - (y % 2); x++)
{
//color = (byte)(Math.Min(1,(h - y - 2)*2) * 255);
mat.SetLedPlanar(x + dx, dy + y, (byte)(h * 255 / 30));
mat.SetLedPlanar(x + dx, dy - y, 255);
}
}
void PresentAudio(double[] audio)
{
if (Math.Abs(DateTimeOffset.Now.ToUnixTimeMilliseconds() - lastPresent) < 70) return;
lastPresent = DateTimeOffset.Now.ToUnixTimeMilliseconds();
mat.Clear();
int size = 20;
double[] bars = new double[size];
double max = 2, maxAverage;
for (int i = 0; i < size; i++)
{
bars[i] = Math.Sqrt(audio[i] * 10000);
if (bars[i] > max) max = bars[i];
}
maxes.Add(max);
if (maxes.Count > 20) maxes.RemoveAt(0);
maxAverage = maxes.Average();
for (int i = 0; i < size; i++) DrawBar(20 - i, bars[i]*20/maxAverage);
mat.Present();
} }

47
app/AnimeMatrix/AnimeMatrixDevice.cs
View File

@@ -1,7 +1,6 @@
// Source thanks to https://github.com/vddCore/Starlight with some adjustments from me // Source thanks to https://github.com/vddCore/Starlight with some adjustments from me
using Starlight.Communication; using Starlight.Communication;
using System.Diagnostics;
using System.Drawing.Drawing2D; using System.Drawing.Drawing2D;
using System.Drawing.Text; using System.Drawing.Text;
using System.Globalization; using System.Globalization;
@@ -99,8 +98,6 @@ namespace Starlight.AnimeMatrix
private static AnimeType _model = AnimeType.GA402; private static AnimeType _model = AnimeType.GA402;
private static long lastPresent;
private static List<double> maxes = new List<double>();
public AnimeMatrixDevice() public AnimeMatrixDevice()
: base(0x0B05, 0x193B, 640) : base(0x0B05, 0x193B, 640)
@@ -357,52 +354,10 @@ namespace Starlight.AnimeMatrix
if (_model == AnimeType.GA401) if (_model == AnimeType.GA401)
PresentText(time); PresentText(time);
else else
PresentTextDiagonal(time); PresentTextDiagonal(time);
} }
private void DrawBar(int pos, double h)
{
int dx = pos*2;
int dy = 20;
byte color;
for (int y = 0; y < h - (h % 2); y++)
for (int x = 0; x < 2 - (y % 2); x++)
{
//color = (byte)(Math.Min(1,(h - y - 2)*2) * 255);
SetLedPlanar(x + dx, dy + y, (byte)(h* 255 / 30) );
SetLedPlanar(x + dx, dy - y, 255);
}
}
public void PresentAudio(double[] audio)
{
if (Math.Abs(DateTimeOffset.Now.ToUnixTimeMilliseconds() - lastPresent) < 70) return;
lastPresent = DateTimeOffset.Now.ToUnixTimeMilliseconds();
Clear();
int size = 20;
double[] bars = new double[size];
double max = 2, maxAverage;
for (int i = 0; i < size; i++)
{
bars[i] = Math.Sqrt(audio[i] * 10000);
if (bars[i] > max) max = bars[i];
}
maxes.Add(max);
if (maxes.Count > 20) maxes.RemoveAt(0);
maxAverage = maxes.Average();
for (int i = 0; i < size; i++) DrawBar(20 - i, bars[i] / maxAverage * 20);
Present();
}
public void PresentText(string text1, string text2 = "") public void PresentText(string text1, string text2 = "")