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https://github.com/Ryujinx/Ryujinx.git
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* Add a "Pause Emulation" option and hotkey Closes Ryujinx#1604 * Refactoring how pause is handled * Applied suggested changes from review * Applied suggested fixes * Pass correct suspend type to threads for suspend/resume * Fix NRE after stoping emulation * Removing SimulateWakeUpMessage call after resuming emulation * Skip suspending non game process * Pause the tickCounter in the ExecutionContext * Refactoring tickCounter pause/resume as suggested * Fix Config migration to add pause hotkey * Fixed pausing only application threads * Fix exiting emulator while paused * Avoid pause/resume while already paused/resumed * Cleanup unused code * Avoid restarting audio if stopping emulation while in pause. * Added suggested changes * Fix ConfigurationState
168 lines
4.6 KiB
C#
168 lines
4.6 KiB
C#
using OpenTK.Audio.OpenAL;
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using Ryujinx.Audio.Common;
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using Ryujinx.Audio.Integration;
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using Ryujinx.Memory;
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using System;
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using System.Collections.Concurrent;
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using System.Linq;
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using System.Threading;
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using static Ryujinx.Audio.Integration.IHardwareDeviceDriver;
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namespace Ryujinx.Audio.Backends.OpenAL
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{
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public class OpenALHardwareDeviceDriver : IHardwareDeviceDriver
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{
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private readonly ALDevice _device;
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private readonly ALContext _context;
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private readonly ManualResetEvent _updateRequiredEvent;
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private readonly ManualResetEvent _pauseEvent;
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private readonly ConcurrentDictionary<OpenALHardwareDeviceSession, byte> _sessions;
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private bool _stillRunning;
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private Thread _updaterThread;
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public OpenALHardwareDeviceDriver()
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{
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_device = ALC.OpenDevice("");
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_context = ALC.CreateContext(_device, new ALContextAttributes());
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_updateRequiredEvent = new ManualResetEvent(false);
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_pauseEvent = new ManualResetEvent(true);
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_sessions = new ConcurrentDictionary<OpenALHardwareDeviceSession, byte>();
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_stillRunning = true;
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_updaterThread = new Thread(Update)
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{
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Name = "HardwareDeviceDriver.OpenAL"
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};
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_updaterThread.Start();
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}
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public static bool IsSupported
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{
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get
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{
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try
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{
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return ALC.GetStringList(GetEnumerationStringList.DeviceSpecifier).Any();
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}
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catch
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{
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return false;
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}
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}
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}
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public IHardwareDeviceSession OpenDeviceSession(Direction direction, IVirtualMemoryManager memoryManager, SampleFormat sampleFormat, uint sampleRate, uint channelCount)
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{
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if (channelCount == 0)
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{
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channelCount = 2;
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}
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if (sampleRate == 0)
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{
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sampleRate = Constants.TargetSampleRate;
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}
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if (direction != Direction.Output)
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{
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throw new ArgumentException($"{direction}");
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}
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else if (!SupportsChannelCount(channelCount))
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{
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throw new ArgumentException($"{channelCount}");
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}
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OpenALHardwareDeviceSession session = new OpenALHardwareDeviceSession(this, memoryManager, sampleFormat, sampleRate, channelCount);
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_sessions.TryAdd(session, 0);
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return session;
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}
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internal bool Unregister(OpenALHardwareDeviceSession session)
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{
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return _sessions.TryRemove(session, out _);
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}
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public ManualResetEvent GetUpdateRequiredEvent()
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{
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return _updateRequiredEvent;
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}
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public ManualResetEvent GetPauseEvent()
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{
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return _pauseEvent;
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}
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private void Update()
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{
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ALC.MakeContextCurrent(_context);
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while (_stillRunning)
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{
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bool updateRequired = false;
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foreach (OpenALHardwareDeviceSession session in _sessions.Keys)
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{
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if (session.Update())
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{
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updateRequired = true;
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}
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}
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if (updateRequired)
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{
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_updateRequiredEvent.Set();
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}
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// If it's not slept it will waste cycles.
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Thread.Sleep(10);
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}
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}
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public void Dispose()
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{
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Dispose(true);
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}
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protected virtual void Dispose(bool disposing)
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{
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if (disposing)
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{
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_stillRunning = false;
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foreach (OpenALHardwareDeviceSession session in _sessions.Keys)
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{
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session.Dispose();
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}
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ALC.DestroyContext(_context);
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ALC.CloseDevice(_device);
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_pauseEvent.Dispose();
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}
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}
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public bool SupportsSampleRate(uint sampleRate)
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{
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return true;
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}
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public bool SupportsSampleFormat(SampleFormat sampleFormat)
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{
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return true;
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}
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public bool SupportsChannelCount(uint channelCount)
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{
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return channelCount == 1 || channelCount == 2 || channelCount == 6;
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}
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public bool SupportsDirection(Direction direction)
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{
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return direction == Direction.Output;
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}
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}
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}
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