84 lines
2.7 KiB
C#
84 lines
2.7 KiB
C#
#if (UNITY_IOS && !UNITY_EDITOR) || __IOS__
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using System;
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using System.Collections;
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using System.Collections.Generic;
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using System.Runtime.InteropServices;
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namespace Photon.Voice.IOS
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{
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public class AudioInChangeNotifier : IAudioInChangeNotifier
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{
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public bool IsSupported => true;
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const string lib_name = "__Internal";
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[DllImport(lib_name)]
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private static extern IntPtr Photon_Audio_In_CreateChangeNotifier(int instanceID, Action<int> callback);
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[DllImport(lib_name)]
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private static extern IntPtr Photon_Audio_In_DestroyChangeNotifier(IntPtr handle);
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private delegate void CallbackDelegate(int instanceID);
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IntPtr handle;
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int instanceID;
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Action callback;
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public AudioInChangeNotifier(Action callback, ILogger logger)
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{
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this.callback = callback;
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var handle = Photon_Audio_In_CreateChangeNotifier(instanceCnt, nativeCallback);
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lock (instancePerHandle)
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{
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this.handle = handle;
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this.instanceID = instanceCnt;
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instancePerHandle.Add(instanceCnt++, this);
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}
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}
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public class MonoPInvokeCallbackAttribute : System.Attribute
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{
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private Type type;
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public MonoPInvokeCallbackAttribute(Type t) { type = t; }
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}
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// IL2CPP does not support marshaling delegates that point to instance methods to native code.
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// Using static method and per instance table.
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static int instanceCnt;
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private static Dictionary<int, AudioInChangeNotifier> instancePerHandle = new Dictionary<int, AudioInChangeNotifier>();
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[MonoPInvokeCallbackAttribute(typeof(CallbackDelegate))]
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private static void nativeCallback(int instanceID)
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{
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AudioInChangeNotifier instance;
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bool ok;
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lock (instancePerHandle)
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{
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ok = instancePerHandle.TryGetValue(instanceID, out instance);
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}
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if (ok)
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{
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instance.callback();
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}
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}
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/// <summary>If not null, the enumerator is in invalid state.</summary>
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public string Error { get; private set; }
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/// <summary>Disposes enumerator.
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/// Call it to free native resources.
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/// </summary>
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public void Dispose()
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{
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lock (instancePerHandle)
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{
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instancePerHandle.Remove(instanceID);
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}
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if (handle != IntPtr.Zero)
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{
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Photon_Audio_In_DestroyChangeNotifier(handle);
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handle = IntPtr.Zero;
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}
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}
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}
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}
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#endif
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