2.0.7

CUETools.Codecs.CoreAudio/CoreAudioApi/AudioEndpointVolumeChannel.cs

@@ -0,0 +1,80 @@
+/*
+  LICENSE
+  -------
+  Copyright (C) 2007 Ray Molenkamp
+
+  This source code is provided 'as-is', without any express or implied
+  warranty.  In no event will the authors be held liable for any damages
+  arising from the use of this source code or the software it produces.
+
+  Permission is granted to anyone to use this source code for any purpose,
+  including commercial applications, and to alter it and redistribute it
+  freely, subject to the following restrictions:
+
+  1. The origin of this source code must not be misrepresented; you must not
+     claim that you wrote the original source code.  If you use this source code
+     in a product, an acknowledgment in the product documentation would be
+     appreciated but is not required.
+  2. Altered source versions must be plainly marked as such, and must not be
+     misrepresented as being the original source code.
+  3. This notice may not be removed or altered from any source distribution.
+*/
+
+using System;
+using System.Collections.Generic;
+using System.Text;
+using NAudio.CoreAudioApi.Interfaces;
+using System.Runtime.InteropServices;
+
+namespace NAudio.CoreAudioApi
+{
+    /// <summary>
+    /// Audio Endpoint Volume Channel
+    /// </summary>
+    public class AudioEndpointVolumeChannel
+    {
+        private uint _Channel;
+        private IAudioEndpointVolume _AudioEndpointVolume;
+
+        internal AudioEndpointVolumeChannel(IAudioEndpointVolume parent, int channel)
+        {
+            _Channel = (uint)channel;
+            _AudioEndpointVolume = parent;
+        }
+
+        /// <summary>
+        /// Volume Level
+        /// </summary>
+        public float VolumeLevel
+        {
+            get
+            {
+                float result;
+                Marshal.ThrowExceptionForHR(_AudioEndpointVolume.GetChannelVolumeLevel(_Channel,out result));
+                return result;
+            }
+            set
+            {
+                Marshal.ThrowExceptionForHR(_AudioEndpointVolume.SetChannelVolumeLevel(_Channel, value,Guid.Empty));
+            }
+        }
+
+        /// <summary>
+        /// Volume Level Scalar
+        /// </summary>
+        public float VolumeLevelScalar
+        {
+            get
+            {
+                float result;
+                Marshal.ThrowExceptionForHR(_AudioEndpointVolume.GetChannelVolumeLevelScalar(_Channel, out result));
+                return result;
+            }
+            set
+            {
+                Marshal.ThrowExceptionForHR(_AudioEndpointVolume.SetChannelVolumeLevelScalar(_Channel, value, Guid.Empty));
+            }
+        }
+
+    }
+}