6 files changed, 34 insertions, 31 deletions

diff --git a/src/audio_core/opus/decoder.cpp b/src/audio_core/opus/decoder.cpp
index b7fed5304..0c110cbeb 100644
--- a/src/audio_core/opus/decoder.cpp
+++ b/src/audio_core/opus/decoder.cpp
@@ -28,8 +28,8 @@ OpusDecoder::~OpusDecoder() {
     }
 }
 
-Result OpusDecoder::Initialize(OpusParametersEx& params, Kernel::KTransferMemory* transfer_memory,
-                               u64 transfer_memory_size) {
+Result OpusDecoder::Initialize(const OpusParametersEx& params,
+                               Kernel::KTransferMemory* transfer_memory, u64 transfer_memory_size) {
     auto frame_size{params.use_large_frame_size ? 5760 : 1920};
     shared_buffer_size = transfer_memory_size;
     shared_buffer = std::make_unique<u8[]>(shared_buffer_size);
@@ -59,7 +59,7 @@ Result OpusDecoder::Initialize(OpusParametersEx& params, Kernel::KTransferMemory
     R_SUCCEED();
 }
 
-Result OpusDecoder::Initialize(OpusMultiStreamParametersEx& params,
+Result OpusDecoder::Initialize(const OpusMultiStreamParametersEx& params,
                                Kernel::KTransferMemory* transfer_memory, u64 transfer_memory_size) {
     auto frame_size{params.use_large_frame_size ? 5760 : 1920};
     shared_buffer_size = transfer_memory_size;
diff --git a/src/audio_core/opus/decoder.h b/src/audio_core/opus/decoder.h
index fd728958a..1b8c257d4 100644
--- a/src/audio_core/opus/decoder.h
+++ b/src/audio_core/opus/decoder.h
@@ -22,10 +22,10 @@ public:
     explicit OpusDecoder(Core::System& system, HardwareOpus& hardware_opus_);
     ~OpusDecoder();
 
-    Result Initialize(OpusParametersEx& params, Kernel::KTransferMemory* transfer_memory,
-                      u64 transfer_memory_size);
-    Result Initialize(OpusMultiStreamParametersEx& params, Kernel::KTransferMemory* transfer_memory,
+    Result Initialize(const OpusParametersEx& params, Kernel::KTransferMemory* transfer_memory,
                       u64 transfer_memory_size);
+    Result Initialize(const OpusMultiStreamParametersEx& params,
+                      Kernel::KTransferMemory* transfer_memory, u64 transfer_memory_size);
     Result DecodeInterleaved(u32* out_data_size, u64* out_time_taken, u32* out_sample_count,
                              std::span<const u8> input_data, std::span<u8> output_data, bool reset);
     Result SetContext([[maybe_unused]] std::span<const u8> context);
diff --git a/src/audio_core/opus/decoder_manager.cpp b/src/audio_core/opus/decoder_manager.cpp
index 1464880a1..89eec1298 100644
--- a/src/audio_core/opus/decoder_manager.cpp
+++ b/src/audio_core/opus/decoder_manager.cpp
@@ -38,7 +38,7 @@ OpusDecoderManager::OpusDecoderManager(Core::System& system_)
     }
 }
 
-Result OpusDecoderManager::GetWorkBufferSize(OpusParameters& params, u64& out_size) {
+Result OpusDecoderManager::GetWorkBufferSize(const OpusParameters& params, u32& out_size) {
     OpusParametersEx ex{
         .sample_rate = params.sample_rate,
         .channel_count = params.channel_count,
@@ -47,11 +47,11 @@ Result OpusDecoderManager::GetWorkBufferSize(OpusParameters& params, u64& out_si
     R_RETURN(GetWorkBufferSizeExEx(ex, out_size));
 }
 
-Result OpusDecoderManager::GetWorkBufferSizeEx(OpusParametersEx& params, u64& out_size) {
+Result OpusDecoderManager::GetWorkBufferSizeEx(const OpusParametersEx& params, u32& out_size) {
     R_RETURN(GetWorkBufferSizeExEx(params, out_size));
 }
 
-Result OpusDecoderManager::GetWorkBufferSizeExEx(OpusParametersEx& params, u64& out_size) {
+Result OpusDecoderManager::GetWorkBufferSizeExEx(const OpusParametersEx& params, u32& out_size) {
     R_UNLESS(IsValidChannelCount(params.channel_count), ResultInvalidOpusChannelCount);
     R_UNLESS(IsValidSampleRate(params.sample_rate), ResultInvalidOpusSampleRate);
 
@@ -63,8 +63,8 @@ Result OpusDecoderManager::GetWorkBufferSizeExEx(OpusParametersEx& params, u64&
     R_SUCCEED();
 }
 
-Result OpusDecoderManager::GetWorkBufferSizeForMultiStream(OpusMultiStreamParameters& params,
-                                                           u64& out_size) {
+Result OpusDecoderManager::GetWorkBufferSizeForMultiStream(const OpusMultiStreamParameters& params,
+                                                           u32& out_size) {
     OpusMultiStreamParametersEx ex{
         .sample_rate = params.sample_rate,
         .channel_count = params.channel_count,
@@ -76,13 +76,13 @@ Result OpusDecoderManager::GetWorkBufferSizeForMultiStream(OpusMultiStreamParame
     R_RETURN(GetWorkBufferSizeForMultiStreamExEx(ex, out_size));
 }
 
-Result OpusDecoderManager::GetWorkBufferSizeForMultiStreamEx(OpusMultiStreamParametersEx& params,
-                                                             u64& out_size) {
+Result OpusDecoderManager::GetWorkBufferSizeForMultiStreamEx(
+    const OpusMultiStreamParametersEx& params, u32& out_size) {
     R_RETURN(GetWorkBufferSizeForMultiStreamExEx(params, out_size));
 }
 
-Result OpusDecoderManager::GetWorkBufferSizeForMultiStreamExEx(OpusMultiStreamParametersEx& params,
-                                                               u64& out_size) {
+Result OpusDecoderManager::GetWorkBufferSizeForMultiStreamExEx(
+    const OpusMultiStreamParametersEx& params, u32& out_size) {
     R_UNLESS(IsValidMultiStreamChannelCount(params.channel_count), ResultInvalidOpusChannelCount);
     R_UNLESS(IsValidSampleRate(params.sample_rate), ResultInvalidOpusSampleRate);
     R_UNLESS(IsValidStreamCount(params.channel_count, params.total_stream_count,
diff --git a/src/audio_core/opus/decoder_manager.h b/src/audio_core/opus/decoder_manager.h
index 70ebc4bab..8f6876d5c 100644
--- a/src/audio_core/opus/decoder_manager.h
+++ b/src/audio_core/opus/decoder_manager.h
@@ -22,17 +22,19 @@ public:
         return hardware_opus;
     }
 
-    Result GetWorkBufferSize(OpusParameters& params, u64& out_size);
-    Result GetWorkBufferSizeEx(OpusParametersEx& params, u64& out_size);
-    Result GetWorkBufferSizeExEx(OpusParametersEx& params, u64& out_size);
-    Result GetWorkBufferSizeForMultiStream(OpusMultiStreamParameters& params, u64& out_size);
-    Result GetWorkBufferSizeForMultiStreamEx(OpusMultiStreamParametersEx& params, u64& out_size);
-    Result GetWorkBufferSizeForMultiStreamExEx(OpusMultiStreamParametersEx& params, u64& out_size);
+    Result GetWorkBufferSize(const OpusParameters& params, u32& out_size);
+    Result GetWorkBufferSizeEx(const OpusParametersEx& params, u32& out_size);
+    Result GetWorkBufferSizeExEx(const OpusParametersEx& params, u32& out_size);
+    Result GetWorkBufferSizeForMultiStream(const OpusMultiStreamParameters& params, u32& out_size);
+    Result GetWorkBufferSizeForMultiStreamEx(const OpusMultiStreamParametersEx& params,
+                                             u32& out_size);
+    Result GetWorkBufferSizeForMultiStreamExEx(const OpusMultiStreamParametersEx& params,
+                                               u32& out_size);
 
 private:
     Core::System& system;
     HardwareOpus hardware_opus;
-    std::array<u64, MaxChannels> required_workbuffer_sizes{};
+    std::array<u32, MaxChannels> required_workbuffer_sizes{};
 };
 
 } // namespace AudioCore::OpusDecoder
diff --git a/src/audio_core/opus/hardware_opus.cpp b/src/audio_core/opus/hardware_opus.cpp
index 5ff71ab2d..30805f4a3 100644
--- a/src/audio_core/opus/hardware_opus.cpp
+++ b/src/audio_core/opus/hardware_opus.cpp
@@ -42,7 +42,7 @@ HardwareOpus::HardwareOpus(Core::System& system_)
     opus_decoder.SetSharedMemory(shared_memory);
 }
 
-u64 HardwareOpus::GetWorkBufferSize(u32 channel) {
+u32 HardwareOpus::GetWorkBufferSize(u32 channel) {
     if (!opus_decoder.IsRunning()) {
         return 0;
     }
@@ -55,10 +55,10 @@ u64 HardwareOpus::GetWorkBufferSize(u32 channel) {
                   ADSP::OpusDecoder::Message::GetWorkBufferSizeOK, msg);
         return 0;
     }
-    return shared_memory.dsp_return_data[0];
+    return static_cast<u32>(shared_memory.dsp_return_data[0]);
 }
 
-u64 HardwareOpus::GetWorkBufferSizeForMultiStream(u32 total_stream_count, u32 stereo_stream_count) {
+u32 HardwareOpus::GetWorkBufferSizeForMultiStream(u32 total_stream_count, u32 stereo_stream_count) {
     std::scoped_lock l{mutex};
     shared_memory.host_send_data[0] = total_stream_count;
     shared_memory.host_send_data[1] = stereo_stream_count;
@@ -70,7 +70,7 @@ u64 HardwareOpus::GetWorkBufferSizeForMultiStream(u32 total_stream_count, u32 st
                   ADSP::OpusDecoder::Message::GetWorkBufferSizeForMultiStreamOK, msg);
         return 0;
     }
-    return shared_memory.dsp_return_data[0];
+    return static_cast<u32>(shared_memory.dsp_return_data[0]);
 }
 
 Result HardwareOpus::InitializeDecodeObject(u32 sample_rate, u32 channel_count, void* buffer,
@@ -94,8 +94,9 @@ Result HardwareOpus::InitializeDecodeObject(u32 sample_rate, u32 channel_count,
 
 Result HardwareOpus::InitializeMultiStreamDecodeObject(u32 sample_rate, u32 channel_count,
                                                        u32 total_stream_count,
-                                                       u32 stereo_stream_count, void* mappings,
-                                                       void* buffer, u64 buffer_size) {
+                                                       u32 stereo_stream_count,
+                                                       const void* mappings, void* buffer,
+                                                       u64 buffer_size) {
     std::scoped_lock l{mutex};
     shared_memory.host_send_data[0] = (u64)buffer;
     shared_memory.host_send_data[1] = buffer_size;
diff --git a/src/audio_core/opus/hardware_opus.h b/src/audio_core/opus/hardware_opus.h
index b10184baa..caa746840 100644
--- a/src/audio_core/opus/hardware_opus.h
+++ b/src/audio_core/opus/hardware_opus.h
@@ -16,14 +16,14 @@ class HardwareOpus {
 public:
     HardwareOpus(Core::System& system);
 
-    u64 GetWorkBufferSize(u32 channel);
-    u64 GetWorkBufferSizeForMultiStream(u32 total_stream_count, u32 stereo_stream_count);
+    u32 GetWorkBufferSize(u32 channel);
+    u32 GetWorkBufferSizeForMultiStream(u32 total_stream_count, u32 stereo_stream_count);
 
     Result InitializeDecodeObject(u32 sample_rate, u32 channel_count, void* buffer,
                                   u64 buffer_size);
     Result InitializeMultiStreamDecodeObject(u32 sample_rate, u32 channel_count,
                                              u32 totaL_stream_count, u32 stereo_stream_count,
-                                             void* mappings, void* buffer, u64 buffer_size);
+                                             const void* mappings, void* buffer, u64 buffer_size);
     Result ShutdownDecodeObject(void* buffer, u64 buffer_size);
     Result ShutdownMultiStreamDecodeObject(void* buffer, u64 buffer_size);
     Result DecodeInterleaved(u32& out_sample_count, void* output_data, u64 output_data_size,