From 4940cf0ea58c77c8666d76abdfc35c6380efed4c Mon Sep 17 00:00:00 2001
From: gdkchan <gab.dark.100@gmail.com>
Date: Fri, 16 Mar 2018 00:42:44 -0300
Subject: Add BFI instruction, even more audout fixes

---
 Ryujinx.Audio/OpenAL/OpenALAudioOut.cs | 109 ++++++++++++++++++---------------
 1 file changed, 61 insertions(+), 48 deletions(-)

(limited to 'Ryujinx.Audio/OpenAL/OpenALAudioOut.cs')

diff --git a/Ryujinx.Audio/OpenAL/OpenALAudioOut.cs b/Ryujinx.Audio/OpenAL/OpenALAudioOut.cs
index 7cf30c18..48dcd199 100644
--- a/Ryujinx.Audio/OpenAL/OpenALAudioOut.cs
+++ b/Ryujinx.Audio/OpenAL/OpenALAudioOut.cs
@@ -10,6 +10,8 @@ namespace Ryujinx.Audio.OpenAL
     {
         private const int MaxTracks = 256;
 
+        private const int MaxReleased = 32;
+
         private AudioContext Context;
 
         private class Track : IDisposable
@@ -26,6 +28,8 @@ namespace Ryujinx.Audio.OpenAL
 
             private Queue<long> QueuedTagsQueue;
 
+            private Queue<long> ReleasedTagsQueue;
+
             private bool Disposed;
 
             public Track(int SampleRate, ALFormat Format)
@@ -40,38 +44,36 @@ namespace Ryujinx.Audio.OpenAL
                 Buffers = new ConcurrentDictionary<long, int>();
 
                 QueuedTagsQueue = new Queue<long>();
+
+                ReleasedTagsQueue = new Queue<long>();
             }
 
-            public int GetBufferId(long Tag)
+            public bool ContainsBuffer(long Tag)
             {
-                if (Disposed)
-                {
-                    throw new ObjectDisposedException(nameof(Track));
-                }
-
-                int Id = AL.GenBuffer();
+                SyncQueuedTags();
 
-                Buffers.AddOrUpdate(Tag, Id, (Key, OldId) =>
+                foreach (long QueuedTag in QueuedTagsQueue)
                 {
-                    AL.DeleteBuffer(OldId);
-
-                    return Id;
-                });
-
-                QueuedTagsQueue.Enqueue(Tag);
+                    if (QueuedTag == Tag)
+                    {
+                        return true;
+                    }
+                }
 
-                return Id;
+                return false;
             }
 
-            public long[] GetReleasedBuffers()
+            public long[] GetReleasedBuffers(int MaxCount)
             {
                 ClearReleased();
 
                 List<long> Tags = new List<long>();
 
-                foreach (long Tag in Buffers.Keys)
+                HashSet<long> Unique = new HashSet<long>();
+
+                while (MaxCount-- > 0 && ReleasedTagsQueue.TryDequeue(out long Tag))
                 {
-                    if (!ContainsBuffer(Tag))
+                    if (Unique.Add(Tag))
                     {
                         Tags.Add(Tag);
                     }
@@ -80,31 +82,37 @@ namespace Ryujinx.Audio.OpenAL
                 return Tags.ToArray();
             }
 
-            public void ClearReleased()
+            public int AppendBuffer(long Tag)
             {
-                SyncQueuedTags();
+                if (Disposed)
+                {
+                    throw new ObjectDisposedException(nameof(Track));
+                }
 
-                AL.GetSource(SourceId, ALGetSourcei.BuffersProcessed, out int ReleasedCount);
+                int Id = AL.GenBuffer();
 
-                if (ReleasedCount > 0)
+                Buffers.AddOrUpdate(Tag, Id, (Key, OldId) =>
                 {
-                    AL.SourceUnqueueBuffers(SourceId, ReleasedCount);
-                }
+                    AL.DeleteBuffer(OldId);
+
+                    return Id;
+                });
+
+                QueuedTagsQueue.Enqueue(Tag);
+
+                return Id;
             }
 
-            public bool ContainsBuffer(long Tag)
+            public void ClearReleased()
             {
                 SyncQueuedTags();
 
-                foreach (long QueuedTag in QueuedTagsQueue)
+                AL.GetSource(SourceId, ALGetSourcei.BuffersProcessed, out int ReleasedCount);
+
+                if (ReleasedCount > 0)
                 {
-                    if (QueuedTag == Tag)
-                    {
-                        return true;
-                    }
+                    AL.SourceUnqueueBuffers(SourceId, ReleasedCount);
                 }
-
-                return false;
             }
             
             private void SyncQueuedTags()
@@ -116,7 +124,12 @@ namespace Ryujinx.Audio.OpenAL
 
                 while (QueuedTagsQueue.Count > QueuedCount)
                 {
-                    QueuedTagsQueue.Dequeue();
+                    ReleasedTagsQueue.Enqueue(QueuedTagsQueue.Dequeue());
+                }
+
+                while (ReleasedTagsQueue.Count > MaxReleased)
+                {
+                    ReleasedTagsQueue.Dequeue();
                 }
             }
 
@@ -202,38 +215,38 @@ namespace Ryujinx.Audio.OpenAL
             }
         }
 
-        public void AppendBuffer(int Track, long Tag, byte[] Buffer)
+        public bool ContainsBuffer(int Track, long Tag)
         {
             if (Tracks.TryGetValue(Track, out Track Td))
             {
-                int BufferId = Td.GetBufferId(Tag);
-
-                AL.BufferData(BufferId, Td.Format, Buffer, Buffer.Length, Td.SampleRate);
-
-                AL.SourceQueueBuffer(Td.SourceId, BufferId);
-
-                StartPlaybackIfNeeded(Td);
+                return Td.ContainsBuffer(Tag);
             }
+            
+            return false;
         }
 
-        public bool ContainsBuffer(int Track, long Tag)
+        public long[] GetReleasedBuffers(int Track, int MaxCount)
         {
             if (Tracks.TryGetValue(Track, out Track Td))
             {
-                return Td.ContainsBuffer(Tag);
+                return Td.GetReleasedBuffers(MaxCount);
             }
             
-            return false;
+            return null;
         }
 
-        public long[] GetReleasedBuffers(int Track)
+        public void AppendBuffer(int Track, long Tag, byte[] Buffer)
         {
             if (Tracks.TryGetValue(Track, out Track Td))
             {
-                return Td.GetReleasedBuffers();
+                int BufferId = Td.AppendBuffer(Tag);
+
+                AL.BufferData(BufferId, Td.Format, Buffer, Buffer.Length, Td.SampleRate);
+
+                AL.SourceQueueBuffer(Td.SourceId, BufferId);
+
+                StartPlaybackIfNeeded(Td);
             }
-            
-            return null;
         }
 
         public void Start(int Track)
-- 
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