[Qt] Setup the audio system in the factory.

src/xenia/app/emulator_window.cc

@@ -105,8 +105,15 @@ bool EmulatorWindow::Setup() {
     return false;
   }
 
-  auto audio_factory = [&](cpu::Processor* processor) {
+  auto audio_factory = [&](cpu::Processor* processor,
-    return apu::xaudio2::XAudio2AudioSystem::Create(processor);
+                           kernel::KernelState* kernel_state) {
+    auto audio = apu::xaudio2::XAudio2AudioSystem::Create(processor);
+    if (audio->Setup(kernel_state) != X_STATUS_SUCCESS) {
+      audio->Shutdown();
+      return std::unique_ptr<apu::AudioSystem>(nullptr);
+    }
+
+    return audio;
   };
 
   auto graphics_factory = [&](cpu::Processor* processor,
@@ -117,14 +124,18 @@ bool EmulatorWindow::Setup() {
       return std::unique_ptr<gpu::vulkan::VulkanGraphicsSystem>(nullptr);
     }
 
-    graphics->SetSwapCallback([&]() {
-      QMetaObject::invokeMethod(this->graphics_window_.get(), "requestUpdate",
-                                Qt::QueuedConnection);
-    });
     return graphics;
   };
 
   X_STATUS result = emulator_->Setup(audio_factory, graphics_factory, nullptr);
+  if (result == X_STATUS_SUCCESS) {
+    // Setup a callback called when the emulator wants to swap.
+    emulator_->graphics_system()->SetSwapCallback([&]() {
+      QMetaObject::invokeMethod(this->graphics_window_.get(), "requestUpdate",
+                                Qt::QueuedConnection);
+    });
+  }
+
   return result == X_STATUS_SUCCESS;
 }
 

src/xenia/emulator.cc

@@ -77,7 +77,8 @@ Emulator::~Emulator() {
 }
 
 X_STATUS Emulator::Setup(
-    std::function<std::unique_ptr<apu::AudioSystem>(cpu::Processor*)>
+    std::function<std::unique_ptr<apu::AudioSystem>(cpu::Processor*,
+                                                    kernel::KernelState*)>
         audio_system_factory,
     std::function<std::unique_ptr<gpu::GraphicsSystem>(cpu::Processor*,
                                                        kernel::KernelState*)>
@@ -138,7 +139,7 @@ X_STATUS Emulator::Setup(
 
   // Initialize the APU.
   if (audio_system_factory) {
-    audio_system_ = audio_system_factory(processor_.get());
+    audio_system_ = audio_system_factory(processor_.get(), kernel_state_.get());
     if (!audio_system_) {
       return X_STATUS_UNSUCCESSFUL;
     }

src/xenia/emulator.h

@@ -98,7 +98,8 @@ class Emulator {
   // Once this function returns a game can be launched using one of the Launch
   // functions.
   X_STATUS Setup(
-      std::function<std::unique_ptr<apu::AudioSystem>(cpu::Processor*)>
+      std::function<std::unique_ptr<apu::AudioSystem>(cpu::Processor*,
+                                                      kernel::KernelState*)>
           audio_system_factory,
       std::function<std::unique_ptr<gpu::GraphicsSystem>(cpu::Processor*,
                                                          kernel::KernelState*)>