Wes xx mediapipe integration

Packages/com.github.homuler.mediapipe/Runtime/Scripts/Framework/OutputStreamPoller.cs

@@ -0,0 +1,46 @@
+// Copyright (c) 2021 homuler
+//
+// Use of this source code is governed by an MIT-style
+// license that can be found in the LICENSE file or at
+// https://opensource.org/licenses/MIT.
+
+using System;
+
+namespace Mediapipe
+{
+  public class OutputStreamPoller<T> : MpResourceHandle
+  {
+    public OutputStreamPoller(IntPtr ptr) : base(ptr) { }
+
+    protected override void DeleteMpPtr()
+    {
+      UnsafeNativeMethods.mp_OutputStreamPoller__delete(ptr);
+    }
+
+    public bool Next(Packet<T> packet)
+    {
+      UnsafeNativeMethods.mp_OutputStreamPoller__Next_Ppacket(mpPtr, packet.mpPtr, out var result).Assert();
+
+      GC.KeepAlive(this);
+      return result;
+    }
+
+    public void Reset()
+    {
+      UnsafeNativeMethods.mp_OutputStreamPoller__Reset(mpPtr).Assert();
+    }
+
+    public void SetMaxQueueSize(int queueSize)
+    {
+      UnsafeNativeMethods.mp_OutputStreamPoller__SetMaxQueueSize(mpPtr, queueSize).Assert();
+    }
+
+    public int QueueSize()
+    {
+      UnsafeNativeMethods.mp_OutputStreamPoller__QueueSize(mpPtr, out var result).Assert();
+
+      GC.KeepAlive(this);
+      return result;
+    }
+  }
+}