AE: fix dependencies on startup

7 files changed, 44 insertions, 27 deletions

diff --git a/xbmc/Application.cpp b/xbmc/Application.cpp
index 8f2cbcaa95..3857e35fef 100644
--- a/xbmc/Application.cpp
+++ b/xbmc/Application.cpp
@@ -586,7 +586,6 @@ bool CApplication::Create(const CAppParamParser &params)
   CWIN32Util::SetThreadLocalLocale(true); // enable independent locale for each thread, see https://connect.microsoft.com/VisualStudio/feedback/details/794122
 #endif // TARGET_WINDOWS
 
-  // audio (OSX) depends on WinSystem
   m_pWinSystem = CWinSystemBase::CreateWinSystem();
   CServiceBroker::RegisterWinSystem(m_pWinSystem.get());
 
@@ -596,12 +595,7 @@ bool CApplication::Create(const CAppParamParser &params)
   }
 
   m_pActiveAE.reset(new ActiveAE::CActiveAE());
-  // start the AudioEngine
-  if (!m_pActiveAE->Initialize())
-  {
-    CLog::Log(LOGFATAL, "CApplication::Create: Failed to start the AudioEngine");
-    return false;
-  }
+  m_pActiveAE->Start();
   CServiceBroker::RegisterAE(m_pActiveAE.get());
 
   // restore AE's previous volume state
diff --git a/xbmc/cores/AudioEngine/AESinkFactory.cpp b/xbmc/cores/AudioEngine/AESinkFactory.cpp
index 28f23f9bd5..b255b874b8 100644
--- a/xbmc/cores/AudioEngine/AESinkFactory.cpp
+++ b/xbmc/cores/AudioEngine/AESinkFactory.cpp
@@ -19,6 +19,7 @@
  */
 
 #include "AESinkFactory.h"
+#include "ServiceBroker.h"
 #include "Interfaces/AESink.h"
 #include "utils/log.h"
 #include "utils/StringUtils.h"
@@ -31,6 +32,10 @@ std::map<std::string, AESinkRegEntry> CAESinkFactory::m_AESinkRegEntry;
 void CAESinkFactory::RegisterSink(AESinkRegEntry regEntry)
 {
   m_AESinkRegEntry[regEntry.sinkName] = regEntry;
+
+  IAE *ae = CServiceBroker::GetActiveAE();
+  if (ae)
+    ae->DeviceChange();
 }
 
 void CAESinkFactory::ClearSinks()
@@ -38,6 +43,11 @@ void CAESinkFactory::ClearSinks()
   m_AESinkRegEntry.clear();
 }
 
+bool CAESinkFactory::HasSinks()
+{
+  return !m_AESinkRegEntry.empty();
+}
+
 void CAESinkFactory::ParseDevice(std::string &device, std::string &driver)
 {
   int pos = device.find_first_of(':');
diff --git a/xbmc/cores/AudioEngine/AESinkFactory.h b/xbmc/cores/AudioEngine/AESinkFactory.h
index 4cafb197bb..51833886b2 100644
--- a/xbmc/cores/AudioEngine/AESinkFactory.h
+++ b/xbmc/cores/AudioEngine/AESinkFactory.h
@@ -53,6 +53,7 @@ class CAESinkFactory
 public:
   static void RegisterSink(AESinkRegEntry regEntry);
   static void ClearSinks();
+  static bool HasSinks();
 
   static void ParseDevice(std::string &device, std::string &driver);
   static IAESink *Create(std::string &device, AEAudioFormat &desiredFormat);
diff --git a/xbmc/cores/AudioEngine/Engines/ActiveAE/ActiveAE.cpp b/xbmc/cores/AudioEngine/Engines/ActiveAE/ActiveAE.cpp
index 28c52d872c..19bf145bbe 100644
--- a/xbmc/cores/AudioEngine/Engines/ActiveAE/ActiveAE.cpp
+++ b/xbmc/cores/AudioEngine/Engines/ActiveAE/ActiveAE.cpp
@@ -291,7 +291,13 @@ CActiveAE::~CActiveAE()
 
 void CActiveAE::Dispose()
 {
-  CServiceBroker::GetWinSystem()->Unregister(this);
+  if (m_isWinSysReg)
+  {
+    CWinSystemBase *winsystem = CServiceBroker::GetWinSystem();
+    if (winsystem)
+      winsystem->Unregister(this);
+    m_isWinSysReg = false;
+  }
 
   m_bStop = true;
   m_outMsgEvent.Set();
@@ -437,7 +443,7 @@ void CActiveAE::StateMachine(int signal, Protocol *port, Message *msg)
         {
           case CActiveAEControlProtocol::INIT:
             LoadSettings();
-            if (!m_settings.device.empty())
+            if (!m_settings.device.empty() && CAESinkFactory::HasSinks())
             {
               m_state = AE_TOP_UNCONFIGURED;
               m_bStateMachineSelfTrigger = true;
@@ -449,6 +455,14 @@ void CActiveAE::StateMachine(int signal, Protocol *port, Message *msg)
             }
             return;
 
+          case CActiveAEControlProtocol::DEVICECHANGE:
+            LoadSettings();
+            if (!m_settings.device.empty() && CAESinkFactory::HasSinks())
+            {
+              m_controlPort.SendOutMessage(CActiveAEControlProtocol::INIT);
+            }
+            return;
+
           default:
             break;
         }
@@ -491,6 +505,15 @@ void CActiveAE::StateMachine(int signal, Protocol *port, Message *msg)
           m_sink.EnumerateSinkList(false);
           LoadSettings();
           Configure();
+          if (!m_isWinSysReg)
+          {
+            CWinSystemBase *winsystem = CServiceBroker::GetWinSystem();
+            if (winsystem)
+            {
+              winsystem->Register(this);
+              m_isWinSysReg = true;
+            }
+          }
           msg->Reply(CActiveAEControlProtocol::ACC);
           if (!m_extError)
           {
@@ -2586,7 +2609,7 @@ void CActiveAE::LoadSettings()
   m_settings.silenceTimeout = CServiceBroker::GetSettings().GetInt(CSettings::SETTING_AUDIOOUTPUT_STREAMSILENCE) * 60000;
 }
 
-bool CActiveAE::Initialize()
+void CActiveAE::Start()
 {
   Create();
   Message *reply;
@@ -2599,22 +2622,14 @@ bool CActiveAE::Initialize()
     if (!success)
     {
       CLog::Log(LOGERROR, "ActiveAE::%s - returned error", __FUNCTION__);
-      Dispose();
-      return false;
     }
   }
   else
   {
     CLog::Log(LOGERROR, "ActiveAE::%s - failed to init", __FUNCTION__);
-    Dispose();
-    return false;
   }
 
-  // hook into windowing for receiving display reset events
-  CServiceBroker::GetWinSystem()->Register(this);
-
   m_inMsgEvent.Reset();
-  return true;
 }
 
 void CActiveAE::EnumerateOutputDevices(AEDeviceList &devices, bool passthrough)
diff --git a/xbmc/cores/AudioEngine/Engines/ActiveAE/ActiveAE.h b/xbmc/cores/AudioEngine/Engines/ActiveAE/ActiveAE.h
index f6d512cd33..f39b35f2d8 100644
--- a/xbmc/cores/AudioEngine/Engines/ActiveAE/ActiveAE.h
+++ b/xbmc/cores/AudioEngine/Engines/ActiveAE/ActiveAE.h
@@ -230,7 +230,7 @@ protected:
 public:
   CActiveAE();
   ~CActiveAE() override;
-  bool Initialize() override;
+  void Start() override;
   void Shutdown() override;
   bool Suspend() override;
   bool Resume() override;
@@ -294,7 +294,6 @@ protected:
   bool InitSink();
   void DrainSink();
   void UnconfigureSink();
-  void Start();
   void Dispose();
   void LoadSettings();
   bool NeedReconfigureBuffers();
@@ -335,6 +334,7 @@ protected:
   unsigned int m_extKeepConfig;
   bool m_extDeferData;
   std::queue<time_t> m_extLastDeviceChange;
+  bool m_isWinSysReg = false;
 
   enum
   {
diff --git a/xbmc/cores/AudioEngine/Engines/ActiveAE/ActiveAESink.cpp b/xbmc/cores/AudioEngine/Engines/ActiveAE/ActiveAESink.cpp
index 0c31d5f073..113fd4dafe 100644
--- a/xbmc/cores/AudioEngine/Engines/ActiveAE/ActiveAESink.cpp
+++ b/xbmc/cores/AudioEngine/Engines/ActiveAE/ActiveAESink.cpp
@@ -676,6 +676,9 @@ void CActiveAESink::EnumerateSinkList(bool force)
   if (!m_sinkInfoList.empty() && !force)
     return;
 
+  if (!CAESinkFactory::HasSinks())
+    return;
+
   unsigned int c_retry = 4;
   m_sinkInfoList.clear();
   CAESinkFactory::EnumerateEx(m_sinkInfoList, false);
diff --git a/xbmc/cores/AudioEngine/Interfaces/AE.h b/xbmc/cores/AudioEngine/Interfaces/AE.h
index 9554aeed79..a5618b9372 100644
--- a/xbmc/cores/AudioEngine/Interfaces/AE.h
+++ b/xbmc/cores/AudioEngine/Interfaces/AE.h
@@ -74,16 +74,10 @@ protected:
   virtual ~IAE() = default;
 
   /**
-   * Returns true when it should be possible to initialize this engine, if it returns false
-   * CAEFactory can possibly fall back to a different one
-   */
-  virtual bool CanInit() { return true; }
-
-  /**
    * Initializes the AudioEngine, called by CFactory when it is time to initialize the audio engine.
    * Do not call this directly, CApplication will call this when it is ready
    */
-  virtual bool Initialize() = 0;
+  virtual void Start() = 0;
 public:
   /**
    * Called when the application needs to terminate the engine