61 lines
1.6 KiB
C#
61 lines
1.6 KiB
C#
using System;
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using System.Runtime.InteropServices;
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using System.Security;
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using System.Windows;
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using System.Windows.Controls;
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using Jellyfish.Library;
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namespace Jellyfish.Virtu.Services
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{
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public sealed class WpfAudioService : AudioService
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{
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[SecurityCritical]
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public WpfAudioService(Machine machine, UserControl page) :
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base(machine)
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{
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if (page == null)
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{
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throw new ArgumentNullException("page");
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}
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_directSound = new DirectSound(SampleRate, SampleChannels, SampleBits, SampleSize, OnDirectSoundUpdate);
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page.Loaded += (sender, e) =>
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{
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var window = Window.GetWindow(page);
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_directSound.Start(window.GetHandle());
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window.Closed += (_sender, _e) => _directSound.Stop();
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};
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}
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public override void SetVolume(float volume)
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{
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_directSound.SetVolume(volume);
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}
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protected override void Dispose(bool disposing)
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{
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if (disposing)
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{
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_directSound.Dispose();
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}
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base.Dispose(disposing);
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}
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private void OnDirectSoundUpdate(IntPtr buffer, int bufferSize) // audio thread
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{
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//if (_count++ % (1000 / SampleLatency) == 0)
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//{
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// DebugService.WriteLine("OnDirectSoundUpdate");
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//}
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Marshal.Copy(Source, 0, buffer, bufferSize);
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Update();
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}
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private DirectSound _directSound;
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//private int _count;
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}
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}
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