6 files changed, 61 insertions, 9 deletions

diff --git a/src/audio_core/common.h b/src/audio_core/common.h
index fe546c55d..1ab537588 100644
--- a/src/audio_core/common.h
+++ b/src/audio_core/common.h
@@ -15,7 +15,7 @@ constexpr ResultCode ERR_INVALID_PARAMETERS{ErrorModule::Audio, 41};
 constexpr ResultCode ERR_SPLITTER_SORT_FAILED{ErrorModule::Audio, 43};
 } // namespace Audren
 
-constexpr u32_le CURRENT_PROCESS_REVISION = Common::MakeMagic('R', 'E', 'V', '8');
+constexpr u32_le CURRENT_PROCESS_REVISION = Common::MakeMagic('R', 'E', 'V', '9');
 constexpr std::size_t MAX_MIX_BUFFERS = 24;
 constexpr std::size_t MAX_BIQUAD_FILTERS = 2;
 constexpr std::size_t MAX_CHANNEL_COUNT = 6;
diff --git a/src/core/hle/ipc_helpers.h b/src/core/hle/ipc_helpers.h
index 61bda3786..ceff2532d 100644
--- a/src/core/hle/ipc_helpers.h
+++ b/src/core/hle/ipc_helpers.h
@@ -345,8 +345,12 @@ public:
     explicit RequestParser(u32* command_buffer) : RequestHelperBase(command_buffer) {}
 
     explicit RequestParser(Kernel::HLERequestContext& ctx) : RequestHelperBase(ctx) {
-        ASSERT_MSG(ctx.GetDataPayloadOffset(), "context is incomplete");
-        Skip(ctx.GetDataPayloadOffset(), false);
+        // TIPC does not have data payload offset
+        if (!ctx.IsTipc()) {
+            ASSERT_MSG(ctx.GetDataPayloadOffset(), "context is incomplete");
+            Skip(ctx.GetDataPayloadOffset(), false);
+        }
+
         // Skip the u64 command id, it's already stored in the context
         static constexpr u32 CommandIdSize = 2;
         Skip(CommandIdSize, false);
diff --git a/src/core/hle/service/aoc/aoc_u.cpp b/src/core/hle/service/aoc/aoc_u.cpp
index fec704c65..dd945e058 100644
--- a/src/core/hle/service/aoc/aoc_u.cpp
+++ b/src/core/hle/service/aoc/aoc_u.cpp
@@ -117,7 +117,7 @@ AOC_U::AOC_U(Core::System& system_)
         {7, &AOC_U::PrepareAddOnContent, "PrepareAddOnContent"},
         {8, &AOC_U::GetAddOnContentListChangedEvent, "GetAddOnContentListChangedEvent"},
         {9, nullptr, "GetAddOnContentLostErrorCode"},
-        {10, nullptr, "GetAddOnContentListChangedEventWithProcessId"},
+        {10, &AOC_U::GetAddOnContentListChangedEventWithProcessId, "GetAddOnContentListChangedEventWithProcessId"},
         {100, &AOC_U::CreateEcPurchasedEventManager, "CreateEcPurchasedEventManager"},
         {101, &AOC_U::CreatePermanentEcPurchasedEventManager, "CreatePermanentEcPurchasedEventManager"},
         {110, nullptr, "CreateContentsServiceManager"},
@@ -257,6 +257,14 @@ void AOC_U::GetAddOnContentListChangedEvent(Kernel::HLERequestContext& ctx) {
     rb.PushCopyObjects(aoc_change_event.GetReadableEvent());
 }
 
+void AOC_U::GetAddOnContentListChangedEventWithProcessId(Kernel::HLERequestContext& ctx) {
+    LOG_WARNING(Service_AOC, "(STUBBED) called");
+
+    IPC::ResponseBuilder rb{ctx, 2, 1};
+    rb.Push(ResultSuccess);
+    rb.PushCopyObjects(aoc_change_event.GetReadableEvent());
+}
+
 void AOC_U::CreateEcPurchasedEventManager(Kernel::HLERequestContext& ctx) {
     LOG_WARNING(Service_AOC, "(STUBBED) called");
 
diff --git a/src/core/hle/service/aoc/aoc_u.h b/src/core/hle/service/aoc/aoc_u.h
index 65095baa2..bb6ffb8eb 100644
--- a/src/core/hle/service/aoc/aoc_u.h
+++ b/src/core/hle/service/aoc/aoc_u.h
@@ -28,6 +28,7 @@ private:
     void GetAddOnContentBaseId(Kernel::HLERequestContext& ctx);
     void PrepareAddOnContent(Kernel::HLERequestContext& ctx);
     void GetAddOnContentListChangedEvent(Kernel::HLERequestContext& ctx);
+    void GetAddOnContentListChangedEventWithProcessId(Kernel::HLERequestContext& ctx);
     void CreateEcPurchasedEventManager(Kernel::HLERequestContext& ctx);
     void CreatePermanentEcPurchasedEventManager(Kernel::HLERequestContext& ctx);
 
diff --git a/src/core/hle/service/audio/hwopus.cpp b/src/core/hle/service/audio/hwopus.cpp
index 10e6f7a64..33a6dbbb6 100644
--- a/src/core/hle/service/audio/hwopus.cpp
+++ b/src/core/hle/service/audio/hwopus.cpp
@@ -253,7 +253,11 @@ void HwOpus::GetWorkBufferSize(Kernel::HLERequestContext& ctx) {
     rb.Push<u32>(worker_buffer_sz);
 }
 
-void HwOpus::OpenOpusDecoder(Kernel::HLERequestContext& ctx) {
+void HwOpus::GetWorkBufferSizeEx(Kernel::HLERequestContext& ctx) {
+    GetWorkBufferSize(ctx);
+}
+
+void HwOpus::OpenHardwareOpusDecoder(Kernel::HLERequestContext& ctx) {
     IPC::RequestParser rp{ctx};
     const auto sample_rate = rp.Pop<u32>();
     const auto channel_count = rp.Pop<u32>();
@@ -291,14 +295,47 @@ void HwOpus::OpenOpusDecoder(Kernel::HLERequestContext& ctx) {
         system, OpusDecoderState{std::move(decoder), sample_rate, channel_count});
 }
 
+void HwOpus::OpenHardwareOpusDecoderEx(Kernel::HLERequestContext& ctx) {
+    IPC::RequestParser rp{ctx};
+    const auto sample_rate = rp.Pop<u32>();
+    const auto channel_count = rp.Pop<u32>();
+
+    LOG_CRITICAL(Audio, "called sample_rate={}, channel_count={}", sample_rate, channel_count);
+
+    ASSERT_MSG(sample_rate == 48000 || sample_rate == 24000 || sample_rate == 16000 ||
+                   sample_rate == 12000 || sample_rate == 8000,
+               "Invalid sample rate");
+    ASSERT_MSG(channel_count == 1 || channel_count == 2, "Invalid channel count");
+
+    const int num_stereo_streams = channel_count == 2 ? 1 : 0;
+    const auto mapping_table = CreateMappingTable(channel_count);
+
+    int error = 0;
+    OpusDecoderPtr decoder{
+        opus_multistream_decoder_create(sample_rate, static_cast<int>(channel_count), 1,
+                                        num_stereo_streams, mapping_table.data(), &error)};
+    if (error != OPUS_OK || decoder == nullptr) {
+        LOG_ERROR(Audio, "Failed to create Opus decoder (error={}).", error);
+        IPC::ResponseBuilder rb{ctx, 2};
+        // TODO(ogniK): Use correct error code
+        rb.Push(ResultUnknown);
+        return;
+    }
+
+    IPC::ResponseBuilder rb{ctx, 2, 0, 1};
+    rb.Push(ResultSuccess);
+    rb.PushIpcInterface<IHardwareOpusDecoderManager>(
+        system, OpusDecoderState{std::move(decoder), sample_rate, channel_count});
+}
+
 HwOpus::HwOpus(Core::System& system_) : ServiceFramework{system_, "hwopus"} {
     static const FunctionInfo functions[] = {
-        {0, &HwOpus::OpenOpusDecoder, "OpenOpusDecoder"},
+        {0, &HwOpus::OpenHardwareOpusDecoder, "OpenHardwareOpusDecoder"},
         {1, &HwOpus::GetWorkBufferSize, "GetWorkBufferSize"},
         {2, nullptr, "OpenOpusDecoderForMultiStream"},
         {3, nullptr, "GetWorkBufferSizeForMultiStream"},
-        {4, nullptr, "OpenHardwareOpusDecoderEx"},
-        {5, nullptr, "GetWorkBufferSizeEx"},
+        {4, &HwOpus::OpenHardwareOpusDecoderEx, "OpenHardwareOpusDecoderEx"},
+        {5, &HwOpus::GetWorkBufferSizeEx, "GetWorkBufferSizeEx"},
         {6, nullptr, "OpenHardwareOpusDecoderForMultiStreamEx"},
         {7, nullptr, "GetWorkBufferSizeForMultiStreamEx"},
     };
diff --git a/src/core/hle/service/audio/hwopus.h b/src/core/hle/service/audio/hwopus.h
index 4f921f18e..b74824ff3 100644
--- a/src/core/hle/service/audio/hwopus.h
+++ b/src/core/hle/service/audio/hwopus.h
@@ -18,8 +18,10 @@ public:
     ~HwOpus() override;
 
 private:
-    void OpenOpusDecoder(Kernel::HLERequestContext& ctx);
+    void OpenHardwareOpusDecoder(Kernel::HLERequestContext& ctx);
+    void OpenHardwareOpusDecoderEx(Kernel::HLERequestContext& ctx);
     void GetWorkBufferSize(Kernel::HLERequestContext& ctx);
+    void GetWorkBufferSizeEx(Kernel::HLERequestContext& ctx);
 };
 
 } // namespace Service::Audio