From 6d51d95d447625b9e473db5f6c959c1a809ae446 Mon Sep 17 00:00:00 2001
From: Weiyi Wang <wwylele@gmail.com>
Date: Thu, 6 Dec 2018 07:14:54 -0500
Subject: [PATCH] audio_core: add teakra and lle interface

---
 .gitmodules                   | 15 +++++++++------
 externals/CMakeLists.txt      |  3 +++
 externals/teakra              |  1 +
 src/audio_core/CMakeLists.txt |  5 +++--
 src/audio_core/lle/lle.cpp    | 17 +++++++++++++++++
 src/audio_core/lle/lle.h      | 22 ++++++++++++++++++++++
 6 files changed, 55 insertions(+), 8 deletions(-)
 create mode 160000 externals/teakra
 create mode 100644 src/audio_core/lle/lle.cpp
 create mode 100644 src/audio_core/lle/lle.h

diff --git a/.gitmodules b/.gitmodules
index b7f41e5f6..b0e5a858c 100644
--- a/.gitmodules
+++ b/.gitmodules
@@ -38,11 +38,14 @@
     path = externals/discord-rpc
     url = https://github.com/discordapp/discord-rpc.git
 [submodule "externals/libzmq"]
-	path = externals/libzmq
-	url = https://github.com/zeromq/libzmq
+    path = externals/libzmq
+    url = https://github.com/zeromq/libzmq
 [submodule "externals/cppzmq"]
-	path = externals/cppzmq
-	url = https://github.com/zeromq/cppzmq
+    path = externals/cppzmq
+    url = https://github.com/zeromq/cppzmq
 [submodule "cpp-jwt"]
-	path = externals/cpp-jwt
-	url = https://github.com/arun11299/cpp-jwt.git
+    path = externals/cpp-jwt
+    url = https://github.com/arun11299/cpp-jwt.git
+[submodule "teakra"]
+    path = externals/teakra
+    url = https://github.com/wwylele/teakra.git
diff --git a/externals/CMakeLists.txt b/externals/CMakeLists.txt
index b96bebb7f..55bf4f8c4 100644
--- a/externals/CMakeLists.txt
+++ b/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
diff --git a/externals/teakra b/externals/teakra
new file mode 160000
index 000000000..6dc129754
--- /dev/null
+++ b/externals/teakra
@@ -0,0 +1 @@
+Subproject commit 6dc1297548a116e6ef78ddd1a52ab3b3f9af0b17
diff --git a/src/audio_core/CMakeLists.txt b/src/audio_core/CMakeLists.txt
index de6079edc..538cfd894 100644
--- a/src/audio_core/CMakeLists.txt
+++ b/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()
-
diff --git a/src/audio_core/lle/lle.cpp b/src/audio_core/lle/lle.cpp
new file mode 100644
index 000000000..7ac26e921
--- /dev/null
+++ b/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
diff --git a/src/audio_core/lle/lle.h b/src/audio_core/lle/lle.h
new file mode 100644
index 000000000..d92ff88f6
--- /dev/null
+++ b/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