1 files changed, 18 insertions, 11 deletions

diff --git a/src/audio_core/sink_context.h b/src/audio_core/sink_context.h
index d7aa72ba7..05541becb 100644
--- a/src/audio_core/sink_context.h
+++ b/src/audio_core/sink_context.h
@@ -11,6 +11,8 @@
 
 namespace AudioCore {
 
+using DownmixCoefficients = std::array<float_le, 4>;
+
 enum class SinkTypes : u8 {
     Invalid = 0,
     Device = 1,
@@ -40,7 +42,7 @@ public:
         bool in_use;
         INSERT_UNION_PADDING_BYTES(5);
     };
-    static_assert(sizeof(SinkInfo::CircularBufferIn) == 0x28,
+    static_assert(sizeof(CircularBufferIn) == 0x28,
                   "SinkInfo::CircularBufferIn is in invalid size");
 
     struct DeviceIn {
@@ -50,9 +52,9 @@ public:
         std::array<u8, AudioCommon::MAX_CHANNEL_COUNT> input;
         INSERT_UNION_PADDING_BYTES(1);
         bool down_matrix_enabled;
-        std::array<float_le, 4> down_matrix_coef;
+        DownmixCoefficients down_matrix_coef;
     };
-    static_assert(sizeof(SinkInfo::DeviceIn) == 0x11c, "SinkInfo::DeviceIn is an invalid size");
+    static_assert(sizeof(DeviceIn) == 0x11c, "SinkInfo::DeviceIn is an invalid size");
 
     struct InParams {
         SinkTypes type{};
@@ -62,28 +64,33 @@ public:
         INSERT_PADDING_WORDS(6);
         union {
             // std::array<u8, 0x120> raw{};
-            SinkInfo::DeviceIn device;
-            SinkInfo::CircularBufferIn circular_buffer;
+            DeviceIn device;
+            CircularBufferIn circular_buffer;
         };
     };
-    static_assert(sizeof(SinkInfo::InParams) == 0x140, "SinkInfo::InParams are an invalid size!");
+    static_assert(sizeof(InParams) == 0x140, "SinkInfo::InParams are an invalid size!");
 };
 
 class SinkContext {
 public:
-    explicit SinkContext(std::size_t sink_count);
+    explicit SinkContext(std::size_t sink_count_);
     ~SinkContext();
 
-    std::size_t GetCount() const;
+    [[nodiscard]] std::size_t GetCount() const;
+
+    void UpdateMainSink(const SinkInfo::InParams& in);
+    [[nodiscard]] bool InUse() const;
+    [[nodiscard]] std::vector<u8> OutputBuffers() const;
 
-    void UpdateMainSink(SinkInfo::InParams& in);
-    bool InUse() const;
-    std::vector<u8> OutputBuffers() const;
+    [[nodiscard]] bool HasDownMixingCoefficients() const;
+    [[nodiscard]] const DownmixCoefficients& GetDownmixCoefficients() const;
 
 private:
     bool in_use{false};
     s32 use_count{};
     std::array<u8, AudioCommon::MAX_CHANNEL_COUNT> buffers{};
     std::size_t sink_count{};
+    bool has_downmix_coefs{false};
+    DownmixCoefficients downmix_coefficients{};
 };
 } // namespace AudioCore