more reviews addressed

src/audio_core/hle/decoder.cpp

@@ -20,7 +20,6 @@ std::optional<BinaryResponse> NullDecoder::ProcessRequest(const BinaryRequest& r
         std::memcpy(&response, &request, sizeof(response));
         response.unknown1 = 0x0;
         return response;
-        break;
     case DecoderCommand::Decode:
         response.codec = request.codec;
         response.cmd = DecoderCommand::Decode;
@@ -28,11 +27,9 @@ std::optional<BinaryResponse> NullDecoder::ProcessRequest(const BinaryRequest& r
         response.size = request.size;
         response.num_samples = 1024; // Just assume 1024 here
         return response;
-        break;
     default:
         LOG_ERROR(Audio_DSP, "Got unknown binary request: {}", static_cast<u16>(request.cmd));
         return {};
-        break;
     }
 };
 } // namespace AudioCore::HLE

src/audio_core/hle/ffmpeg_dl.cpp

@@ -8,10 +8,13 @@
 #include "audio_core/hle/ffmpeg_dl.h"
 #include "common/file_util.h"
 #include "common/logging/log.h"
+#include "common/string_util.h"
+
+namespace {
 
 struct LibraryDeleter {
-    typedef HMODULE pointer;
-    void operator()(HMODULE h) {
+    using pointer = HMODULE;
+    void operator()(HMODULE h) const {
         if (h != nullptr)
             FreeLibrary(h);
     }
@@ -20,6 +23,8 @@ struct LibraryDeleter {
 std::unique_ptr<HMODULE, LibraryDeleter> dll_util{nullptr};
 std::unique_ptr<HMODULE, LibraryDeleter> dll_codec{nullptr};
 
+} // namespace
+
 FuncDL<int(AVSampleFormat)> av_get_bytes_per_sample_dl;
 FuncDL<AVFrame*(void)> av_frame_alloc_dl;
 FuncDL<void(AVFrame**)> av_frame_free_dl;
@@ -40,7 +45,7 @@ FuncDL<void(AVCodecParserContext*)> av_parser_close_dl;
 bool InitFFmpegDL() {
     std::string dll_path = FileUtil::GetUserPath(FileUtil::UserPath::DLLDir);
     FileUtil::CreateDir(dll_path);
-    std::wstring w_dll_path = std::wstring(dll_path.begin(), dll_path.end());
+    std::wstring w_dll_path = Common::UTF8ToUTF16W(dll_path);
     SetDllDirectoryW(w_dll_path.c_str());
 
     dll_util.reset(LoadLibrary("avutil-56.dll"));

src/audio_core/hle/ffmpeg_dl.h

@@ -17,9 +17,9 @@ extern "C" {
 template <typename T>
 struct FuncDL {
     FuncDL() = default;
-    FuncDL(void* dll, const char* name) {
+    FuncDL(HMODULE dll, const char* name) {
         if (dll) {
-            ptr_function = reinterpret_cast<T*>(GetProcAddress((HMODULE)dll, name));
+            ptr_function = reinterpret_cast<T*>(GetProcAddress(dll, name));
         }
     }