drumkit-old/DrumKit/SoundPlayer.cs

73 lines
2.1 KiB
C#
Raw Normal View History

2013-11-18 18:03:00 +00:00
using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Threading.Tasks;
using SharpDX;
using SharpDX.XAudio2;
using SharpDX.IO;
using SharpDX.Multimedia;
namespace DrumKit
{
class SoundPlayer
{
private XAudio2 xaudio;
private MasteringVoice mvoice;
Dictionary<string, MyWave> sounds;
SoundPool pool;
public SoundPlayer()
{
xaudio = new XAudio2();
xaudio.StartEngine();
mvoice = new MasteringVoice(xaudio);
sounds = new Dictionary<string, MyWave>();
}
public void AddWave(string key, string filepath)
{
MyWave wave = new MyWave();
var nativeFileStream = new NativeFileStream(filepath, NativeFileMode.Open, NativeFileAccess.Read, NativeFileShare.Read);
var soundStream = new SoundStream(nativeFileStream);
var buffer = new AudioBuffer() { Stream = soundStream, AudioBytes = (int)soundStream.Length, Flags = BufferFlags.EndOfStream };
wave.Buffer = buffer;
wave.DecodedPacketsInfo = soundStream.DecodedPacketsInfo;
wave.WaveFormat = soundStream.Format;
this.sounds.Add(key, wave);
}
public void AddDrums(IEnumerable<Drum> drums)
{
foreach (var d in drums)
foreach (var s in d.SoundSources)
{
string key = d.Name + s.Key.ToString();
string path = s.Value.AbsolutePath.TrimStart('\\', '/');
this.AddWave(key, path);
}
}
public void Play(string key)
{
if (!this.sounds.ContainsKey(key)) return;
MyWave w = this.sounds[key];
if (pool == null)
pool = new SoundPool(xaudio, w.WaveFormat);
pool.PlayBuffer(w.Buffer, w.DecodedPacketsInfo);
}
}
class MyWave
{
public AudioBuffer Buffer { get; set; }
public uint[] DecodedPacketsInfo { get; set; }
public WaveFormat WaveFormat { get; set; }
}
}