audio_core: add teakra and lle interface

.gitmodules

@@ -46,3 +46,6 @@
 [submodule "cpp-jwt"]
     path = externals/cpp-jwt
     url = https://github.com/arun11299/cpp-jwt.git
+[submodule "teakra"]
+    path = externals/teakra
+    url = https://github.com/wwylele/teakra.git

externals/CMakeLists.txt

@@ -51,6 +51,9 @@ add_subdirectory(soundtouch)
 # The SoundTouch target doesn't export the necessary include paths as properties by default
 target_include_directories(SoundTouch INTERFACE ./soundtouch/include)
 
+# Teakra
+add_subdirectory(teakra)
+
 # Xbyak
 if (ARCHITECTURE_x86_64)
     # Defined before "dynarmic" above

externals/teakra

@@ -0,0 +1 @@
+Subproject commit 6dc1297548a116e6ef78ddd1a52ab3b3f9af0b17

src/audio_core/CMakeLists.txt

@@ -14,6 +14,8 @@ add_library(audio_core STATIC
     hle/shared_memory.h
     hle/source.cpp
     hle/source.h
+    lle/lle.cpp
+    lle/lle.h
     interpolate.cpp
     interpolate.h
     null_sink.h
@@ -30,7 +32,7 @@ add_library(audio_core STATIC
 create_target_directory_groups(audio_core)
 
 target_link_libraries(audio_core PUBLIC common core)
-target_link_libraries(audio_core PRIVATE SoundTouch)
+target_link_libraries(audio_core PRIVATE SoundTouch teakra)
 
 if(SDL2_FOUND)
     target_link_libraries(audio_core PRIVATE SDL2)
@@ -41,4 +43,3 @@ if(ENABLE_CUBEB)
     target_link_libraries(audio_core PRIVATE cubeb)
     add_definitions(-DHAVE_CUBEB=1)
 endif()
-

src/audio_core/lle/lle.cpp

@@ -0,0 +1,17 @@
+// Copyright 2018 Citra Emulator Project
+// Licensed under GPLv2 or any later version
+// Refer to the license.txt file included.
+
+#include "audio_core/lle/lle.h"
+#include "teakra/teakra.h"
+
+namespace AudioCore {
+
+struct DspLle::Impl final {
+    Teakra::Teakra teakra;
+};
+
+DspLle::DspLle() : impl(std::make_unique<Impl>()) {}
+DspLle::~DspLle() = default;
+
+} // namespace AudioCore

src/audio_core/lle/lle.h

@@ -0,0 +1,22 @@
+// Copyright 2018 Citra Emulator Project
+// Licensed under GPLv2 or any later version
+// Refer to the license.txt file included.
+
+#pragma once
+
+#include "audio_core/dsp_interface.h"
+
+namespace AudioCore {
+
+class DspLle final : public DspInterface {
+public:
+    DspLle();
+    ~DspLle();
+
+private:
+    struct Impl;
+    friend struct Impl;
+    std::unique_ptr<Impl> impl;
+};
+
+} // namespace AudioCore