Use the input process handle to get the correct application's memory

src/audio_core/renderer/audio_renderer.cpp

@@ -6,6 +6,7 @@
 #include "audio_core/renderer/audio_renderer.h"
 #include "audio_core/renderer/system_manager.h"
 #include "core/core.h"
+#include "core/hle/kernel/k_process.h"
 #include "core/hle/kernel/k_transfer_memory.h"
 #include "core/hle/service/audio/errors.h"
 
@@ -17,7 +18,8 @@ Renderer::Renderer(Core::System& system_, Manager& manager_, Kernel::KEvent* ren
 Result Renderer::Initialize(const AudioRendererParameterInternal& params,
                             Kernel::KTransferMemory* transfer_memory,
                             const u64 transfer_memory_size, const u32 process_handle,
-                            const u64 applet_resource_user_id, const s32 session_id) {
+                            Kernel::KProcess& process, const u64 applet_resource_user_id,
+                            const s32 session_id) {
     if (params.execution_mode == ExecutionMode::Auto) {
         if (!manager.AddSystem(system)) {
             LOG_ERROR(Service_Audio,
@@ -28,7 +30,7 @@ Result Renderer::Initialize(const AudioRendererParameterInternal& params,
     }
 
     initialized = true;
-    system.Initialize(params, transfer_memory, transfer_memory_size, process_handle,
+    system.Initialize(params, transfer_memory, transfer_memory_size, process_handle, process,
                       applet_resource_user_id, session_id);
 
     return ResultSuccess;

src/audio_core/renderer/audio_renderer.h

@@ -14,7 +14,8 @@ class System;
 
 namespace Kernel {
 class KTransferMemory;
-}
+class KProcess;
+} // namespace Kernel
 
 namespace AudioCore {
 struct AudioRendererParameterInternal;
@@ -44,7 +45,8 @@ public:
      */
     Result Initialize(const AudioRendererParameterInternal& params,
                       Kernel::KTransferMemory* transfer_memory, u64 transfer_memory_size,
-                      u32 process_handle, u64 applet_resource_user_id, s32 session_id);
+                      u32 process_handle, Kernel::KProcess& process, u64 applet_resource_user_id,
+                      s32 session_id);
 
     /**
      * Finalize the renderer for shutdown.

src/audio_core/renderer/system.cpp

@@ -32,6 +32,7 @@
 #include "core/core.h"
 #include "core/core_timing.h"
 #include "core/hle/kernel/k_event.h"
+#include "core/hle/kernel/k_process.h"
 #include "core/hle/kernel/k_transfer_memory.h"
 #include "core/memory.h"
 
@@ -101,7 +102,8 @@ System::System(Core::System& core_, Kernel::KEvent* adsp_rendered_event_)
 
 Result System::Initialize(const AudioRendererParameterInternal& params,
                           Kernel::KTransferMemory* transfer_memory, u64 transfer_memory_size,
-                          u32 process_handle_, u64 applet_resource_user_id_, s32 session_id_) {
+                          u32 process_handle_, Kernel::KProcess& process_,
+                          u64 applet_resource_user_id_, s32 session_id_) {
     if (!CheckValidRevision(params.revision)) {
         return Service::Audio::ResultInvalidRevision;
     }
@@ -117,6 +119,7 @@ Result System::Initialize(const AudioRendererParameterInternal& params,
     behavior.SetUserLibRevision(params.revision);
 
     process_handle = process_handle_;
+    process = &process_;
     applet_resource_user_id = applet_resource_user_id_;
     session_id = session_id_;
 
@@ -129,7 +132,7 @@ Result System::Initialize(const AudioRendererParameterInternal& params,
     render_device = params.rendering_device;
     execution_mode = params.execution_mode;
 
-    core.ApplicationMemory().ZeroBlock(transfer_memory->GetSourceAddress(), transfer_memory_size);
+    process->GetMemory().ZeroBlock(transfer_memory->GetSourceAddress(), transfer_memory_size);
 
     // Note: We're not actually using the transfer memory because it's a pain to code for.
     // Allocate the memory normally instead and hope the game doesn't try to read anything back
@@ -613,7 +616,8 @@ void System::SendCommandToDsp() {
                 static_cast<u64>((time_limit_percent / 100) * 2'880'000.0 *
                                  (static_cast<f32>(render_time_limit_percent) / 100.0f))};
             audio_renderer.SetCommandBuffer(session_id, translated_addr, command_size, time_limit,
-                                            applet_resource_user_id, reset_command_buffers);
+                                            applet_resource_user_id, process,
+                                            reset_command_buffers);
             reset_command_buffers = false;
             command_buffer_size = command_size;
             if (remaining_command_count == 0) {

src/audio_core/renderer/system.h

@@ -29,6 +29,7 @@ class System;
 
 namespace Kernel {
 class KEvent;
+class KProcess;
 class KTransferMemory;
 } // namespace Kernel
 
@@ -80,7 +81,8 @@ public:
      */
     Result Initialize(const AudioRendererParameterInternal& params,
                       Kernel::KTransferMemory* transfer_memory, u64 transfer_memory_size,
-                      u32 process_handle, u64 applet_resource_user_id, s32 session_id);
+                      u32 process_handle, Kernel::KProcess& process, u64 applet_resource_user_id,
+                      s32 session_id);
 
     /**
      * Finalize the system.
@@ -275,6 +277,8 @@ private:
     Common::Event terminate_event{};
     /// Does what locks do
     std::mutex lock{};
+    /// Process this audio render is operating within, used for memory reads/writes.
+    Kernel::KProcess* process{};
     /// Handle for the process for this system, unused
     u32 process_handle{};
     /// Applet resource id for this system, unused