agrobot_base/Exemplos/SharpDX-master/Source/SharpDX.XAudio2/Fx/VolumeMeter.cs

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2023-08-31 11:50:53 +00:00
// Copyright (c) 2010-2014 SharpDX - Alexandre Mutel
//
// Permission is hereby granted, free of charge, to any person obtaining a copy
// of this software and associated documentation files (the "Software"), to deal
// in the Software without restriction, including without limitation the rights
// to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
// copies of the Software, and to permit persons to whom the Software is
// furnished to do so, subject to the following conditions:
//
// The above copyright notice and this permission notice shall be included in
// all copies or substantial portions of the Software.
//
// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
// AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
// OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
// THE SOFTWARE.
using System;
using SharpDX.XAPO;
namespace SharpDX.XAudio2.Fx
{
/// <summary>
/// A VolumeMeter XAudio2 AudioProcessor.
/// </summary>
public partial class VolumeMeter : AudioProcessorParamNative<VolumeMeterLevels>
{
/// <summary>
/// Initializes a new instance of the <see cref="VolumeMeter" /> class.
/// </summary>
/// <param name="device">The device.</param>
public VolumeMeter(XAudio2 device)
: this(device, false)
{
}
/// <summary>
/// Initializes a new instance of the <see cref="VolumeMeter" /> class.
/// </summary>
/// <param name="device">The device.</param>
/// <param name="isUsingDebug">if set to <c>true</c> [is using debug].</param>
/// <exception cref="System.InvalidOperationException">XAudio2 must be initialized before calling this constructor</exception>
public VolumeMeter(XAudio2 device, bool isUsingDebug)
: base(device)
{
#if !WINDOWS_UWP
if (device.Version == XAudio2Version.Version27)
{
Guid clsid = (isUsingDebug) ? XAudio2FxContants.CLSID_AudioVolumeMeter_Debug : XAudio2FxContants.CLSID_AudioVolumeMeter;
Utilities.CreateComInstance(clsid, Utilities.CLSCTX.ClsctxInprocServer, XAudio2FxContants.CLSID_IAudioProcessor, this);
return;
}
#endif
if (device.Version == XAudio2Version.Version28)
{
XAudio28Functions.CreateAudioVolumeMeter(this);
}
#if WINDOWS_UWP
else if (device.Version == XAudio2Version.Version29)
{
XAudio29Functions.CreateAudioVolumeMeter(this);
}
#endif
else
{
throw new InvalidOperationException("XAudio2 must be initialized before calling this constructor");
}
}
}
}