4 files changed, 53 insertions, 0 deletions

diff --git a/src/core/CMakeLists.txt b/src/core/CMakeLists.txt
index 51e4088d2..3dff068df 100644
--- a/src/core/CMakeLists.txt
+++ b/src/core/CMakeLists.txt
@@ -126,6 +126,8 @@ add_library(core STATIC
     hle/service/audio/audren_u.h
     hle/service/audio/codecctl.cpp
     hle/service/audio/codecctl.h
+    hle/service/audio/hwopus.cpp
+    hle/service/audio/hwopus.h
     hle/service/bcat/module.cpp
     hle/service/bcat/module.h
     hle/service/bcat/bcat.cpp
diff --git a/src/core/hle/service/audio/audio.cpp b/src/core/hle/service/audio/audio.cpp
index 92f910b5f..d231e91e1 100644
--- a/src/core/hle/service/audio/audio.cpp
+++ b/src/core/hle/service/audio/audio.cpp
@@ -8,6 +8,7 @@
 #include "core/hle/service/audio/audrec_u.h"
 #include "core/hle/service/audio/audren_u.h"
 #include "core/hle/service/audio/codecctl.h"
+#include "core/hle/service/audio/hwopus.h"
 
 namespace Service::Audio {
 
@@ -17,6 +18,7 @@ void InstallInterfaces(SM::ServiceManager& service_manager) {
     std::make_shared<AudRecU>()->InstallAsService(service_manager);
     std::make_shared<AudRenU>()->InstallAsService(service_manager);
     std::make_shared<CodecCtl>()->InstallAsService(service_manager);
+    std::make_shared<HwOpus>()->InstallAsService(service_manager);
 }
 
 } // namespace Service::Audio
diff --git a/src/core/hle/service/audio/hwopus.cpp b/src/core/hle/service/audio/hwopus.cpp
new file mode 100644
index 000000000..7790359e9
--- /dev/null
+++ b/src/core/hle/service/audio/hwopus.cpp
@@ -0,0 +1,29 @@
+// Copyright 2018 yuzu emulator team
+// Licensed under GPLv2 or any later version
+// Refer to the license.txt file included.
+
+#include "common/logging/log.h"
+#include "core/hle/ipc_helpers.h"
+#include "core/hle/kernel/hle_ipc.h"
+#include "core/hle/service/audio/hwopus.h"
+
+namespace Service::Audio {
+
+void HwOpus::GetWorkBufferSize(Kernel::HLERequestContext& ctx) {
+    NGLOG_WARNING(Service_Audio, "(STUBBED) called");
+    IPC::ResponseBuilder rb{ctx, 3};
+    rb.Push(RESULT_SUCCESS);
+    rb.Push<u32>(0x4000);
+}
+
+HwOpus::HwOpus() : ServiceFramework("hwopus") {
+    static const FunctionInfo functions[] = {
+        {0, nullptr, "Initialize"},
+        {1, &HwOpus::GetWorkBufferSize, "GetWorkBufferSize"},
+        {2, nullptr, "InitializeMultiStream"},
+        {3, nullptr, "GetWorkBufferSizeMultiStream"},
+    };
+    RegisterHandlers(functions);
+}
+
+} // namespace Service::Audio
diff --git a/src/core/hle/service/audio/hwopus.h b/src/core/hle/service/audio/hwopus.h
new file mode 100644
index 000000000..090b8c825
--- /dev/null
+++ b/src/core/hle/service/audio/hwopus.h
@@ -0,0 +1,20 @@
+// Copyright 2018 yuzu emulator team
+// Licensed under GPLv2 or any later version
+// Refer to the license.txt file included.
+
+#pragma once
+
+#include "core/hle/service/service.h"
+
+namespace Service::Audio {
+
+class HwOpus final : public ServiceFramework<HwOpus> {
+public:
+    explicit HwOpus();
+    ~HwOpus() = default;
+
+private:
+    void GetWorkBufferSize(Kernel::HLERequestContext& ctx);
+};
+
+} // namespace Service::Audio