83 lines
2.3 KiB
C#
83 lines
2.3 KiB
C#
using System;
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using System.Collections.Generic;
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using System.Linq;
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using System.Text;
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using System.Threading.Tasks;
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using SharpDX;
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using SharpDX.XAudio2;
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using SharpDX.Multimedia;
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namespace DrumKit
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{
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public class SoundPool
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{
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private XAudio2 Device { get; set; }
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private MasteringVoice MasterVoice { get; set; }
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private Queue<SourceVoice> Channels { get; set; }
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/// <summary>
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/// Gets or sets the master volume
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/// </summary>
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public float MasterVolume
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{
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get {
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return this.MasterVoice.Volume;
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}
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set {
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this.MasterVoice.SetVolume(value);
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}
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}
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/// <summary>
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/// Initializes a new sound pool.
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/// </summary>
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/// <param name="poly">How many sounds will be able to play simultaneously. Default is 64.</param>
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public SoundPool(WaveFormat format, int poly = 64)
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{
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// Create and initialize device
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this.Device = new XAudio2();
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this.Device.StartEngine();
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// Create voices
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this.MasterVoice = new MasteringVoice(this.Device);
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this.Channels = new Queue<SourceVoice>();
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for (int i = 0; i < poly; i++)
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{
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SourceVoice voice = new SourceVoice(this.Device, format, true);
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this.Channels.Enqueue(voice);
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}
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}
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/// <summary>
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/// Plays a sound buffer through one of the free channels.
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/// </summary>
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/// <param name="sound">The sound object</param>
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public void PlayBuffer(Sound sound, float volumeL = 1.0f, float volumeR = 1.0f)
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{
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float[] volumes = { volumeL, volumeR };
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SourceVoice top = this.Channels.Dequeue();
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top.Stop();
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top.FlushSourceBuffers();
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top.SubmitSourceBuffer(sound.Buffer, sound.DecodedPacketsInfo);
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top.SetChannelVolumes(2, volumes);
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top.Start();
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this.Channels.Enqueue(top);
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}
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/// <summary>
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/// Cleans up used resources
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/// </summary>
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public void Dispose()
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{
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this.Channels.Clear();
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this.MasterVoice.Dispose();
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Device.StopEngine();
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Device.Dispose();
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}
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}
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}
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