[sceAudio] added simple audio output implementation, needs to be improved

* [fixes-assets] Add SharpEmu icon and fix glfw dependency (temporary fix)

* [reuse] I forgot to add comma

* [readme] update logo

.editorconfig

@@ -14,7 +14,7 @@ indent_size = 4
 indent_style = space
 tab_width = 4
 
-[*.{md,json,yml,props,csproj}]
+[*.{md,json,yml,xml,props,csproj}]
 
 indent_size = 2
 tab_width = 2

.gitignore

@@ -26,6 +26,7 @@ arm64/
 *.userosscache
 *.sln.docstates
 
+.packages
 packages/
 *.nupkg
 .nuget/

REUSE.toml

@@ -3,6 +3,7 @@ version = 1
 [[annotations]]
 path = [
     "REUSE.toml",
+    "nuget.config",
     "global.json",
     "**/packages.lock.json",
     "scripts/ps5_names.txt",

nuget.config

@@ -0,0 +1,18 @@
+<?xml version="1.0" encoding="utf-8"?>
+
+<configuration>
+  <config>
+    <add key="globalPackagesFolder" value=".packages" />
+  </config>
+
+  <packageSources>
+    <clear />
+    <add key="Nuget" value="https://api.nuget.org/v3/index.json" />
+  </packageSources>
+
+  <packageSourceMapping>
+    <packageSource key="Nuget">
+      <package pattern="*" />
+    </packageSource>
+  </packageSourceMapping>
+</configuration>

src/SharpEmu.Libs/Audio/AudioOutExports.cs

@@ -0,0 +1,92 @@
+// Copyright (C) 2026 SharpEmu Emulator Project
+// SPDX-License-Identifier: GPL-2.0-or-later
+
+using SharpEmu.HLE;
+using System.Collections.Concurrent;
+using System.Threading;
+
+namespace SharpEmu.Libs.Audio;
+
+public static class AudioOutExports
+{
+    private static readonly ConcurrentDictionary<int, PortState> Ports = new();
+    private static int _nextPortHandle;
+
+    private sealed record PortState(int UserId, int Type, uint BufferLength, uint Frequency, int Format);
+
+    [SysAbiExport(
+        Nid = "JfEPXVxhFqA",
+        ExportName = "sceAudioOutInit",
+        Target = Generation.Gen4 | Generation.Gen5,
+        LibraryName = "libSceAudioOut")]
+    public static int AudioOutInit(CpuContext ctx) => SetReturn(ctx, 0);
+
+    [SysAbiExport(
+        Nid = "ekNvsT22rsY",
+        ExportName = "sceAudioOutOpen",
+        Target = Generation.Gen4 | Generation.Gen5,
+        LibraryName = "libSceAudioOut")]
+    public static int AudioOutOpen(CpuContext ctx)
+    {
+        var userId = unchecked((int)ctx[CpuRegister.Rdi]);
+        var type = unchecked((int)ctx[CpuRegister.Rsi]);
+        var bufferLength = unchecked((uint)ctx[CpuRegister.Rcx]);
+        var frequency = unchecked((uint)ctx[CpuRegister.R8]);
+        var format = unchecked((int)ctx[CpuRegister.R9]);
+        if (bufferLength == 0 || frequency == 0)
+        {
+            return SetReturn(ctx, (int)OrbisGen2Result.ORBIS_GEN2_ERROR_INVALID_ARGUMENT);
+        }
+
+        var handle = Interlocked.Increment(ref _nextPortHandle);
+        Ports[handle] = new PortState(userId, type, bufferLength, frequency, format);
+        return SetReturn(ctx, handle);
+    }
+
+    [SysAbiExport(
+        Nid = "s1--uE9mBFw",
+        ExportName = "sceAudioOutClose",
+        Target = Generation.Gen4 | Generation.Gen5,
+        LibraryName = "libSceAudioOut")]
+    public static int AudioOutClose(CpuContext ctx)
+    {
+        var handle = unchecked((int)ctx[CpuRegister.Rdi]);
+        return SetReturn(
+            ctx,
+            Ports.TryRemove(handle, out _)
+                ? 0
+                : (int)OrbisGen2Result.ORBIS_GEN2_ERROR_INVALID_ARGUMENT);
+    }
+
+    [SysAbiExport(
+        Nid = "QOQtbeDqsT4",
+        ExportName = "sceAudioOutOutput",
+        Target = Generation.Gen5,
+        LibraryName = "libSceAudioOut")]
+    public static int AudioOutOutput(CpuContext ctx)
+    {
+        ctx[CpuRegister.Rax] = 0;
+        return (int)OrbisGen2Result.ORBIS_GEN2_OK;
+    }
+
+    [SysAbiExport(
+        Nid = "b+uAV89IlxE",
+        ExportName = "sceAudioOutSetVolume",
+        Target = Generation.Gen4 | Generation.Gen5,
+        LibraryName = "libSceAudioOut")]
+    public static int AudioOutSetVolume(CpuContext ctx)
+    {
+        var handle = unchecked((int)ctx[CpuRegister.Rdi]);
+        return SetReturn(
+            ctx,
+            Ports.ContainsKey(handle)
+                ? 0
+                : (int)OrbisGen2Result.ORBIS_GEN2_ERROR_INVALID_ARGUMENT);
+    }
+
+    private static int SetReturn(CpuContext ctx, int result)
+    {
+        ctx[CpuRegister.Rax] = unchecked((ulong)result);
+        return result;
+    }
+}