Split main project into core,graphics and chocolarm4 subproject (#29)

Ryujinx.Core/OsHle/Objects/Aud/IAudioOut.cs

@@ -0,0 +1,180 @@
+using ChocolArm64.Memory;
+using Ryujinx.Core.OsHle.Handles;
+using Ryujinx.Core.OsHle.Ipc;
+using OpenTK.Audio;
+using OpenTK.Audio.OpenAL;
+using System;
+using System.Collections.Generic;
+using System.IO;
+
+namespace Ryujinx.Core.OsHle.Objects.Aud
+{
+    class IAudioOut : IIpcInterface
+    {
+        private Dictionary<int, ServiceProcessRequest> m_Commands;
+
+        public IReadOnlyDictionary<int, ServiceProcessRequest> Commands => m_Commands;
+
+        public IAudioOut()
+        {
+            m_Commands = new Dictionary<int, ServiceProcessRequest>()
+            {
+                { 0, GetAudioOutState             },
+                { 1, StartAudioOut                },
+                { 2, StopAudioOut                 },
+                { 3, AppendAudioOutBuffer         },
+                { 4, RegisterBufferEvent          },
+                { 5, GetReleasedAudioOutBuffer    },
+                { 6, ContainsAudioOutBuffer       },
+                { 7, AppendAudioOutBuffer_ex      },
+                { 8, GetReleasedAudioOutBuffer_ex }
+            };
+        }
+
+        enum AudioOutState
+        {
+            Started,
+            Stopped
+        };
+
+        //IAudioOut
+        private AudioOutState State = AudioOutState.Stopped;
+        private Queue<long> KeysQueue = new Queue<long>();
+
+        //OpenAL
+        private bool OpenALInstalled = true;
+        private AudioContext AudioCtx;
+        private int Source;
+        private int Buffer;
+
+        //Return State of IAudioOut
+        public long GetAudioOutState(ServiceCtx Context)
+        {
+            Context.ResponseData.Write((int)State);
+
+            return 0;
+        }
+
+        public long StartAudioOut(ServiceCtx Context)
+        {
+            if (State == AudioOutState.Stopped)
+            {
+                State = AudioOutState.Started;
+
+                try
+                { 
+                    AudioCtx = new AudioContext(); //Create the audio context
+                }
+                catch (Exception)
+                {
+                    Logging.Warn("OpenAL Error! PS: Install OpenAL Core SDK!");
+                    OpenALInstalled = false;
+                }
+
+                if (OpenALInstalled) AL.Listener(ALListenerf.Gain, (float)8.0); //Add more gain to it
+            }
+
+            return 0;
+        }
+
+        public long StopAudioOut(ServiceCtx Context)
+        {
+            if (State == AudioOutState.Started)
+            {
+                if (OpenALInstalled)
+                { 
+                    if (AudioCtx == null) //Needed to call the instance of AudioContext()
+                        return 0;
+
+                    AL.SourceStop(Source);
+                    AL.DeleteSource(Source);
+                }
+                State = AudioOutState.Stopped;
+            }
+
+            return 0;
+        }
+
+        public long AppendAudioOutBuffer(ServiceCtx Context)
+        {
+            long BufferId = Context.RequestData.ReadInt64();
+
+            KeysQueue.Enqueue(BufferId);
+
+            byte[] AudioOutBuffer = AMemoryHelper.ReadBytes(Context.Memory, Context.Request.SendBuff[0].Position, sizeof(long) * 5);
+            using (MemoryStream MS = new MemoryStream(AudioOutBuffer))
+            {
+                BinaryReader Reader = new BinaryReader(MS);
+                long PointerNextBuffer        = Reader.ReadInt64();
+                long PointerSampleBuffer      = Reader.ReadInt64();
+                long CapacitySampleBuffer     = Reader.ReadInt64();
+                long SizeDataInSampleBuffer   = Reader.ReadInt64();
+                long OffsetDataInSampleBuffer = Reader.ReadInt64();
+
+                byte[] AudioSampleBuffer = AMemoryHelper.ReadBytes(Context.Memory, PointerSampleBuffer + OffsetDataInSampleBuffer, (int)SizeDataInSampleBuffer);
+
+                if (OpenALInstalled)
+                {
+                    if (AudioCtx == null) //Needed to call the instance of AudioContext()
+                        return 0;
+
+                    Buffer = AL.GenBuffer();
+                    AL.BufferData(Buffer, ALFormat.Stereo16, AudioSampleBuffer, AudioSampleBuffer.Length, 48000);
+
+                    Source = AL.GenSource();
+                    AL.SourceQueueBuffer(Source, Buffer);
+                }
+            }
+
+            return 0;
+        }
+
+        public long RegisterBufferEvent(ServiceCtx Context)
+        {
+            int Handle = Context.Ns.Os.Handles.GenerateId(new HEvent());
+
+            Context.Response.HandleDesc = IpcHandleDesc.MakeCopy(Handle);
+
+            return 0;
+        }
+
+        public long GetReleasedAudioOutBuffer(ServiceCtx Context)
+        {
+            long TempKey = 0;
+
+            if (KeysQueue.Count > 0) TempKey = KeysQueue.Dequeue();
+
+            AMemoryHelper.WriteBytes(Context.Memory, Context.Request.ReceiveBuff[0].Position, BitConverter.GetBytes(TempKey));
+            
+            int ReleasedBuffersCount = 1;
+            Context.ResponseData.Write(ReleasedBuffersCount);
+
+            if (OpenALInstalled)
+            {
+                if (AudioCtx == null) //Needed to call the instance of AudioContext()
+                    return 0;
+
+                AL.SourcePlay(Source);
+                int[] FreeBuffers = AL.SourceUnqueueBuffers(Source, 1);
+                AL.DeleteBuffers(FreeBuffers);
+            }
+
+            return 0;
+        }
+
+        public long ContainsAudioOutBuffer(ServiceCtx Context)
+        {
+            return 0;
+        }
+
+        public long AppendAudioOutBuffer_ex(ServiceCtx Context)
+        {
+            return 0;
+        }
+
+        public long GetReleasedAudioOutBuffer_ex(ServiceCtx Context)
+        {
+            return 0;
+        }
+    }
+}