impl

2026-02-13 19:58:55 +01:00
parent 9b071ccf91
commit 5a9c290816
21 changed files with 2197 additions and 19 deletions
@@ -0,0 +1,87 @@
+using System;
+
+namespace FractalVisualizer.Audio;
+
+public sealed class AudioSampleRingBuffer
+{
+    private readonly float[] _buffer;
+    private readonly object _sync = new();
+
+    private int _writeIndex;
+    private int _readIndex;
+    private int _count;
+
+    public AudioSampleRingBuffer(int capacity)
+    {
+        if (capacity <= 0)
+        {
+            throw new ArgumentOutOfRangeException(nameof(capacity));
+        }
+
+        _buffer = new float[capacity];
+    }
+
+    public int Capacity => _buffer.Length;
+
+    public int Count
+    {
+        get
+        {
+            lock (_sync)
+            {
+                return _count;
+            }
+        }
+    }
+
+    public void Clear()
+    {
+        lock (_sync)
+        {
+            _writeIndex = 0;
+            _readIndex = 0;
+            _count = 0;
+        }
+    }
+
+    public void Write(ReadOnlySpan<float> samples)
+    {
+        lock (_sync)
+        {
+            for (int i = 0; i < samples.Length; i++)
+            {
+                _buffer[_writeIndex] = samples[i];
+                _writeIndex = (_writeIndex + 1) % _buffer.Length;
+
+                if (_count == _buffer.Length)
+                {
+                    _readIndex = (_readIndex + 1) % _buffer.Length;
+                }
+                else
+                {
+                    _count++;
+                }
+            }
+        }
+    }
+
+    public bool TryRead(Span<float> destination)
+    {
+        lock (_sync)
+        {
+            if (_count < destination.Length)
+            {
+                return false;
+            }
+
+            for (int i = 0; i < destination.Length; i++)
+            {
+                destination[i] = _buffer[_readIndex];
+                _readIndex = (_readIndex + 1) % _buffer.Length;
+            }
+
+            _count -= destination.Length;
+            return true;
+        }
+    }
+}