73 lines
2.1 KiB
C#
73 lines
2.1 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.IO;
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using SharpDX.Multimedia;
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namespace DrumKit
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{
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class SoundPlayer
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{
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private XAudio2 xaudio;
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private MasteringVoice mvoice;
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Dictionary<string, MyWave> sounds;
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SoundPool pool;
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public SoundPlayer()
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{
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xaudio = new XAudio2();
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xaudio.StartEngine();
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mvoice = new MasteringVoice(xaudio);
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sounds = new Dictionary<string, MyWave>();
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}
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public void AddWave(string key, string filepath)
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{
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MyWave wave = new MyWave();
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var nativeFileStream = new NativeFileStream(filepath, NativeFileMode.Open, NativeFileAccess.Read, NativeFileShare.Read);
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var soundStream = new SoundStream(nativeFileStream);
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var buffer = new AudioBuffer() { Stream = soundStream, AudioBytes = (int)soundStream.Length, Flags = BufferFlags.EndOfStream };
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wave.Buffer = buffer;
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wave.DecodedPacketsInfo = soundStream.DecodedPacketsInfo;
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wave.WaveFormat = soundStream.Format;
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this.sounds.Add(key, wave);
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}
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public void AddDrums(IEnumerable<Drum> drums)
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{
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foreach (var d in drums)
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foreach (var s in d.SoundSources)
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{
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string key = d.Name + s.Key.ToString();
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string path = s.Value.AbsolutePath.TrimStart('\\', '/');
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this.AddWave(key, path);
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}
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}
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public void Play(string key)
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{
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if (!this.sounds.ContainsKey(key)) return;
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MyWave w = this.sounds[key];
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if (pool == null)
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pool = new SoundPool(xaudio, w.WaveFormat);
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pool.PlayBuffer(w.Buffer, w.DecodedPacketsInfo);
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}
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}
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class MyWave
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{
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public AudioBuffer Buffer { get; set; }
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public uint[] DecodedPacketsInfo { get; set; }
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public WaveFormat WaveFormat { get; set; }
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}
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}
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