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Matrix audio visualizer
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253
app/AnimeMatrix/AniMatrix.cs
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253
app/AnimeMatrix/AniMatrix.cs
Normal file
@@ -0,0 +1,253 @@
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using NAudio.CoreAudioApi;
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using NAudio.Wave;
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using Starlight.AnimeMatrix;
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using System.Diagnostics;
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using System.Drawing.Imaging;
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using System.Timers;
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namespace GHelper.AnimeMatrix
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{
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public class AniMatrix
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{
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static System.Timers.Timer matrixTimer = default!;
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static AnimeMatrixDevice mat;
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static double[] AudioValues;
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static WasapiCapture AudioDevice;
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public static bool IsValid => mat != null;
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public AniMatrix()
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{
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try
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{
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mat = new AnimeMatrixDevice();
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matrixTimer = new System.Timers.Timer(100);
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matrixTimer.Elapsed += MatrixTimer_Elapsed;
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}
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catch
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{
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mat.Dispose();
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mat = null;
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}
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}
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public void SetMatrix()
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{
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if (!IsValid) return;
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int brightness = Program.config.getConfig("matrix_brightness");
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int running = Program.config.getConfig("matrix_running");
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bool auto = Program.config.getConfig("matrix_auto") == 1;
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if (brightness < 0) brightness = 0;
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if (running < 0) running = 0;
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BuiltInAnimation animation = new BuiltInAnimation(
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(BuiltInAnimation.Running)running,
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BuiltInAnimation.Sleeping.Starfield,
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BuiltInAnimation.Shutdown.SeeYa,
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BuiltInAnimation.Startup.StaticEmergence
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);
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StopMatrixTimer();
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StopMatrixAudio();
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mat.SetProvider();
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if (brightness == 0 || (auto && SystemInformation.PowerStatus.PowerLineStatus != PowerLineStatus.Online))
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{
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mat.SetDisplayState(false);
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Logger.WriteLine("Matrix Off");
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}
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else
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{
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mat.SetDisplayState(true);
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mat.SetBrightness((BrightnessMode)brightness);
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switch (running)
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{
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case 2:
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SetMatrixPicture(Program.config.getConfigString("matrix_picture"));
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break;
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case 3:
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StartMatrixTimer(1000);
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Logger.WriteLine("Matrix Clock");
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break;
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case 4:
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SetMatrixAudio();
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break;
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default:
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mat.SetBuiltInAnimation(true, animation);
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Logger.WriteLine("Matrix builtin " + animation.AsByte);
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break;
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}
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//mat.SetBrightness((BrightnessMode)brightness);
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}
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}
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private static void StartMatrixTimer(int interval = 100)
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{
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matrixTimer.Interval = interval;
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matrixTimer.Enabled = true;
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}
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private static void StopMatrixTimer()
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{
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matrixTimer.Enabled = false;
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}
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private static void MatrixTimer_Elapsed(object? sender, ElapsedEventArgs e)
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{
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if (!IsValid) return;
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switch (Program.config.getConfig("matrix_running"))
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{
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case 2:
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mat.PresentNextFrame();
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break;
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case 3:
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mat.PresentClock();
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break;
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}
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}
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void StopMatrixAudio()
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{
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if (AudioDevice is not null)
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{
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try
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{
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AudioDevice.StopRecording();
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AudioDevice.Dispose();
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}
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catch (Exception ex)
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{
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Logger.WriteLine(ex.ToString());
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}
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}
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}
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void SetMatrixAudio()
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{
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if (!IsValid) return;
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mat.SetBuiltInAnimation(false);
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StopMatrixTimer();
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StopMatrixAudio();
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try
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{
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using (var enumerator = new MMDeviceEnumerator())
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using (MMDevice device = enumerator.GetDefaultAudioEndpoint(DataFlow.Render, Role.Console))
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{
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AudioDevice = new WasapiLoopbackCapture(device);
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WaveFormat fmt = AudioDevice.WaveFormat;
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AudioValues = new double[fmt.SampleRate / 1000];
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AudioDevice.DataAvailable += WaveIn_DataAvailable;
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AudioDevice.StartRecording();
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Logger.WriteLine("Matrix Audio");
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}
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}
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catch (Exception ex)
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{
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Logger.WriteLine(ex.ToString());
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}
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}
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private static void WaveIn_DataAvailable(object? sender, WaveInEventArgs e)
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{
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int bytesPerSamplePerChannel = AudioDevice.WaveFormat.BitsPerSample / 8;
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int bytesPerSample = bytesPerSamplePerChannel * AudioDevice.WaveFormat.Channels;
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int bufferSampleCount = e.Buffer.Length / bytesPerSample;
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if (bufferSampleCount >= AudioValues.Length)
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{
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bufferSampleCount = AudioValues.Length;
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}
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if (bytesPerSamplePerChannel == 2 && AudioDevice.WaveFormat.Encoding == WaveFormatEncoding.Pcm)
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{
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for (int i = 0; i < bufferSampleCount; i++)
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AudioValues[i] = BitConverter.ToInt16(e.Buffer, i * bytesPerSample);
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}
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else if (bytesPerSamplePerChannel == 4 && AudioDevice.WaveFormat.Encoding == WaveFormatEncoding.Pcm)
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{
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for (int i = 0; i < bufferSampleCount; i++)
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AudioValues[i] = BitConverter.ToInt32(e.Buffer, i * bytesPerSample);
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}
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else if (bytesPerSamplePerChannel == 4 && AudioDevice.WaveFormat.Encoding == WaveFormatEncoding.IeeeFloat)
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{
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for (int i = 0; i < bufferSampleCount; i++)
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AudioValues[i] = BitConverter.ToSingle(e.Buffer, i * bytesPerSample);
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}
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double[] paddedAudio = FftSharp.Pad.ZeroPad(AudioValues);
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double[] fftMag = FftSharp.Transform.FFTmagnitude(paddedAudio);
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mat.PresentAudio(fftMag);
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}
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public void SetMatrixPicture(string fileName)
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{
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if (!IsValid) return;
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StopMatrixTimer();
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Image image;
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try
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{
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using (var fs = new FileStream(fileName, FileMode.Open))
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{
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var ms = new MemoryStream();
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fs.CopyTo(ms);
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ms.Position = 0;
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image = Image.FromStream(ms);
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}
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}
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catch
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{
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Debug.WriteLine("Error loading picture");
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return;
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}
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mat.SetBuiltInAnimation(false);
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mat.ClearFrames();
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FrameDimension dimension = new FrameDimension(image.FrameDimensionsList[0]);
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int frameCount = image.GetFrameCount(dimension);
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if (frameCount > 1)
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{
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for (int i = 0; i < frameCount; i++)
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{
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image.SelectActiveFrame(dimension, i);
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mat.GenerateFrame(image);
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mat.AddFrame();
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}
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StartMatrixTimer();
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Logger.WriteLine("Matrix GIF " + fileName);
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}
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else
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{
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mat.GenerateFrame(image);
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mat.Present();
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Logger.WriteLine("Matrix " + fileName);
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}
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}
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}
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}
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@@ -1,6 +1,7 @@
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// Source thanks to https://github.com/vddCore/Starlight with some adjustments from me
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using Starlight.Communication;
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using System.Diagnostics;
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using System.Drawing.Drawing2D;
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using System.Drawing.Text;
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using System.Globalization;
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@@ -98,6 +99,9 @@ namespace Starlight.AnimeMatrix
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private static AnimeType _model = AnimeType.GA402;
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private static long lastPresent;
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private static List<double> maxes = new List<double>();
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public AnimeMatrixDevice()
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: base(0x0B05, 0x193B, 640)
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{
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@@ -357,6 +361,50 @@ namespace Starlight.AnimeMatrix
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PresentTextDiagonal(time);
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}
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private void DrawBar(int pos, double h)
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{
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int dx = pos*2;
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int dy = 20;
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byte color;
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for (int y = 0; y < h - (h % 2); y++)
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for (int x = 0; x < 2 - (y % 2); x++)
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{
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//color = (byte)(Math.Min(1,(h - y - 2)*2) * 255);
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SetLedPlanar(x + dx, dy + y, (byte)(h* 255 / 30) );
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SetLedPlanar(x + dx, dy - y, 255);
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}
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}
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public void PresentAudio(double[] audio)
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{
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if (Math.Abs(DateTimeOffset.Now.ToUnixTimeMilliseconds() - lastPresent) < 70) return;
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lastPresent = DateTimeOffset.Now.ToUnixTimeMilliseconds();
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Clear();
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int size = 20;
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double[] bars = new double[size];
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double max = 2, maxAverage;
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for (int i = 0; i < size; i++)
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{
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bars[i] = Math.Sqrt(audio[i] * 10000);
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if (bars[i] > max) max = bars[i];
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}
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maxes.Add(max);
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if (maxes.Count > 20) maxes.RemoveAt(0);
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maxAverage = maxes.Average();
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for (int i = 0; i < size; i++) DrawBar(20 - i, bars[i] / maxAverage * 20);
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Present();
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}
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public void PresentText(string text1, string text2 = "")
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{
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using (Bitmap bmp = new Bitmap(MaxColumns * 3, MaxRows))
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