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Improved audio pipeline

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This commit is contained in:
Alessandro Proto 2023-02-04 22:41:14 +01:00
parent 1187a262d9
commit 8191c7dc85
1 changed files with 31 additions and 51 deletions
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68
Capy64/Runtime/Libraries/Audio.cs
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@ -1,14 +1,8 @@
using Capy64.API;
using Capy64.Core;
using KeraLua;
using Microsoft.Xna.Framework.Audio;
using System;
using System.Collections.Concurrent;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Threading.Tasks;
using System.Timers;
namespace Capy64.Runtime.Libraries;
@ -16,8 +10,6 @@ public class Audio : IPlugin
{
private const int queueLimit = 8;
private static ConcurrentQueue<byte[]> queue = new();
private static bool isProcessing = false;
private static IGame _game;
public Audio(IGame game)
{
@ -81,15 +73,8 @@ public class Audio : IPlugin
return 1;
}
private static async Task PlayAudio(byte[] buffer)
private static async Task DelayEmit(TimeSpan time)
{
try
{
var time = _game.Audio.Submit(buffer);
if (_game.Audio.Sound.State != Microsoft.Xna.Framework.Audio.SoundState.Playing)
{
_game.Audio.Sound.Play();
}
var waitTime = time - TimeSpan.FromMilliseconds(1000 / 60);
if (waitTime.TotalMilliseconds < 0)
waitTime = time;
@ -99,28 +84,6 @@ public class Audio : IPlugin
LK.PushInteger(_game.Audio.Sound.PendingBufferCount);
return 1;
});
}
catch (Exception ex)
{
Console.WriteLine(ex);
}
}
private static void ProcessAudio()
{
if (isProcessing)
return;
isProcessing = true;
Task.Run(async () =>
{
while (queue.TryDequeue(out var buffer))
{
await PlayAudio(buffer);
}
isProcessing = false;
});
}
private static int L_Play(IntPtr state)
@ -137,9 +100,18 @@ public class Audio : IPlugin
return 2;
}
queue.Enqueue(buffer);
try
{
var ts = _game.Audio.Submit(buffer);
DelayEmit(ts);
ProcessAudio();
if (_game.Audio.Sound.State != SoundState.Playing)
_game.Audio.Sound.Play();
}
catch (Exception ex)
{
L.Error(ex.Message);
}
return 0;
}
@ -153,11 +125,20 @@ public class Audio : IPlugin
var volume = L.OptNumber(3, 1);
Math.Clamp(volume, 0, 1);
var sine = Core.Audio.GenerateSquareWave(freq, time, volume);
var buffer = Core.Audio.GenerateSquareWave(freq, time, volume);
queue.Enqueue(sine);
try
{
var ts = _game.Audio.Submit(buffer);
DelayEmit(ts);
ProcessAudio();
if (_game.Audio.Sound.State != SoundState.Playing)
_game.Audio.Sound.Play();
}
catch (Exception ex)
{
L.Error(ex.Message);
}
return 0;
}
@ -174,7 +155,6 @@ public class Audio : IPlugin
}
private static int L_Stop(IntPtr state)
{
queue.Clear();
_game.Audio.Sound.Stop();
return 0;