chore(zita)#: Add interface for zita reverb

SharpPipe/Interfaces/IZitaFilter.cs

@@ -0,0 +1,62 @@
+namespace SharpPipe;
+
+/// <summary>
+/// Represents the interface for Zita Reverb objects
+/// </summary>
+public interface IZitaFilter
+{
+    /// <summary>
+    /// The input delay (ms) before reverb is applied to the incoming signal (default: 60ms)
+    /// </summary>
+    float InDelay { get; }
+
+    /// <summary>
+    /// The separation between 'high' and 'low' frequencies (default: 200hz)
+    /// </summary>
+    float Crossover { get; }
+
+    /// <summary>
+    /// The time in seconds it takes for low frequencies to decrease by 60dB (default: 3 seconds)
+    /// </summary>
+    float RT60Low { get; }
+
+    /// <summary>
+    /// The time in seconds it takes for mid frequencies to decrease by 60dB (default: 2 seconds)
+    /// </summary>
+    float RT60Mid { get; }
+
+    /// <summary>
+    /// Frequencies (hz) above this one are heard half as long as as the mid-range frequencies - e.g. when their T60 is half of the middle-range's T60 (default: 6000hz)
+    /// </summary>
+    float HighFrequencyDamping { get; }
+
+    /// <summary>
+    ///  The center frequency (hz) of the Regalia Mitra peaking equalizer for the first section (default: 315hz)
+    /// </summary>
+    float EQ1Frequency { get; }
+
+    /// <summary>
+    /// The peak level (dB) of equalizer 1 (default: 0dB)
+    /// </summary>
+    float EQ1Level { get; }
+
+    /// <summary>
+    ///  The center frequency (hz) of the Regalia Mitra peaking equalizer for the second section (default: 1500hz)
+    /// </summary>
+    float EQ2Frequency { get; }
+
+    /// <summary>
+    /// The peak level (dB) of equalizer 2 (default: 0dB)
+    /// </summary>
+    float EQ2Level { get; }
+
+    /// <summary>
+    /// Mixes the wet and dry signals - e.g. 0 is no reverb, 1 is only reverb (default: 1)
+    /// </summary>
+    float Mix { get; }
+
+    /// <summary>
+    /// The factor (dB) to scale the output by (default: -20dB)
+    /// </summary>
+    float Level { get; }
+}

SharpPipe/Managed wrapper classes/ZitaReverb.cs

@@ -7,14 +7,14 @@ namespace SharpPipe;
 /// <summary>
 /// Uses the 8 FDB zitareverb algorithm to provide reverb to processed samples ( see: https://paulbatchelor.github.io/res/soundpipe/docs/zitarev.html )
 /// </summary>
-public class ZitaReverb : IDisposable
+public class ZitaReverb : IDisposable, IZitaFilter
 {
     internal IntPtr zitaRevObject;
 
     /// <summary>
     /// The soundpipe object used by this reverb
     /// </summary>
-    public SoundPipe Pipe;
+    public SoundPipe Pipe { get; }
 
     /// <summary>
     /// True if the object is disposed
@@ -198,4 +198,4 @@ private void Dispose(bool disposing)
     {
         Dispose(false);
     }
-}
+}