Changeset 189

Timestamp:

Jun 29, 2013, 11:27:09 PM (10 years ago)

Author:

roman

Message:

 

File:

• trunk/Utilities/Miscellaneous/AudioSessionVolumeNotification/AudioSessionVolumeNotification.cpp (modified) (3 diffs)

trunk/Utilities/Miscellaneous/AudioSessionVolumeNotification/AudioSessionVolumeNotification.cpp

@@ -11 +11 @@
 #define __C ATLENSURE_SUCCEEDED
 
-//class CNotification : 
-//      public IAudioSessionEvents 
-//{
-//private:
-//      INT m_nSessionIndex;
-//
-//public:
-//// CNotification
-//      CNotification(INT nSessionIndex) :
-//              m_nSessionIndex(nSessionIndex)
-//      {
-//      }
-//
-//// IUnknown
-//      STDMETHOD(QueryInterface)(REFIID, VOID** ppvObject)
-//      {
-//              _tprintf(_T("m_nSessionIndex %d, QueryInterface\n"));
-//              return E_NOINTERFACE;
-//      }
-//    STDMETHOD_(ULONG, AddRef)()
-//      {
-//              return 2;
-//      }
-//    STDMETHOD_(ULONG, Release)()
-//      {
-//              return 1;
-//      }
-//
-//// IAudioSessionEvents 
-//    STDMETHOD(OnDisplayNameChanged)(LPCWSTR NewDisplayName, LPCGUID EventContext)
-//      {
-//              return S_OK;
-//      }
-//    STDMETHOD(OnIconPathChanged)(LPCWSTR NewIconPath, LPCGUID EventContext)
-//      {
-//              return S_OK;
-//      }
-//    STDMETHOD(OnSimpleVolumeChanged)(float NewVolume, BOOL NewMute, LPCGUID EventContext)
-//      {
-//              _tprintf(_T("m_nSessionIndex %d, NewVolume %.2f, NewMute %d\n"), m_nSessionIndex, NewVolume, NewMute);
-//              return S_OK;
-//      }
-//    STDMETHOD(OnChannelVolumeChanged)(DWORD ChannelCount, float NewChannelVolumeArray[], DWORD ChangedChannel, LPCGUID EventContext)
-//      {
-//              _tprintf(_T("m_nSessionIndex %d, ChannelCount %d, NewChannelVolumeArray][ { %.2f, ... }, ChangedChannel %d\n"), m_nSessionIndex, ChannelCount, NewChannelVolumeArray[0], ChangedChannel);
-//              return S_OK;
-//      }
-//    STDMETHOD(OnGroupingParamChanged)(LPCGUID NewGroupingParam, LPCGUID EventContext)
-//      {
-//              return S_OK;
-//      }
-//    STDMETHOD(OnStateChanged)(AudioSessionState NewState)
-//      {
-//              return S_OK;
-//      }
-//    STDMETHOD(OnSessionDisconnected)(AudioSessionDisconnectReason DisconnectReason)
-//      {
-//              return S_OK;
-//      }
-//};
+class CNotification : 
+        public IAudioSessionEvents 
+{
+private:
+        INT m_nSessionIndex;
+
+public:
+// CNotification
+        CNotification(INT nSessionIndex) :
+                m_nSessionIndex(nSessionIndex)
+        {
+        }
+
+// IUnknown
+        STDMETHOD(QueryInterface)(REFIID, VOID** ppvObject)
+        {
+                _tprintf(_T("m_nSessionIndex %d, QueryInterface\n"));
+                return E_NOINTERFACE;
+        }
+    STDMETHOD_(ULONG, AddRef)()
+        {
+                return 2;
+        }
+    STDMETHOD_(ULONG, Release)()
+        {
+                return 1;
+        }
+
+// IAudioSessionEvents 
+    STDMETHOD(OnDisplayNameChanged)(LPCWSTR NewDisplayName, LPCGUID EventContext)
+        {
+                return S_OK;
+        }
+    STDMETHOD(OnIconPathChanged)(LPCWSTR NewIconPath, LPCGUID EventContext)
+        {
+                return S_OK;
+        }
+    STDMETHOD(OnSimpleVolumeChanged)(float NewVolume, BOOL NewMute, LPCGUID EventContext)
+        {
+                _tprintf(_T("m_nSessionIndex %d, NewVolume %.2f, NewMute %d\n"), m_nSessionIndex, NewVolume, NewMute);
+                return S_OK;
+        }
+    STDMETHOD(OnChannelVolumeChanged)(DWORD ChannelCount, float NewChannelVolumeArray[], DWORD ChangedChannel, LPCGUID EventContext)
+        {
+                _tprintf(_T("m_nSessionIndex %d, ChannelCount %d, NewChannelVolumeArray][ { %.2f, ... }, ChangedChannel %d\n"), m_nSessionIndex, ChannelCount, NewChannelVolumeArray[0], ChangedChannel);
+                return S_OK;
+        }
+    STDMETHOD(OnGroupingParamChanged)(LPCGUID NewGroupingParam, LPCGUID EventContext)
+        {
+                return S_OK;
+        }
+    STDMETHOD(OnStateChanged)(AudioSessionState NewState)
+        {
+                return S_OK;
+        }
+    STDMETHOD(OnSessionDisconnected)(AudioSessionDisconnectReason DisconnectReason)
+        {
+                return S_OK;
+        }
+};
 
 int _tmain(int argc, _TCHAR* argv[])
@@ -86 +86 @@
         __C(pAudioSessionEnumerator->GetCount(&nSessionCount));
         _tprintf(_T("nSessionCount %d\n"), nSessionCount);
-        //for(INT nSessionIndex = 0; nSessionIndex < nSessionCount; nSessionIndex++)
-        //{
-        //      CComPtr<IAudioSessionControl> pSessionControl;
-        //      if(FAILED(pAudioSessionEnumerator->GetSession(nSessionIndex, &pSessionControl)))
-        //              continue;
-        //      CComHeapPtr<WCHAR> pszDisplayName;
-        //      __C(pSessionControl->GetDisplayName(&pszDisplayName));
-        //      _tprintf(_T("nSessionIndex %d, pszDisplayName \"%s\"\n"), nSessionIndex, CString(pszDisplayName));
-        //      CNotification* pNotification = new CNotification(nSessionIndex);
-        //      __C(pSessionControl->RegisterAudioSessionNotification(pNotification));
-        //}
+        for(INT nSessionIndex = 0; nSessionIndex < nSessionCount; nSessionIndex++)
+        {
+                CComPtr<IAudioSessionControl> pSessionControl;
+                if(FAILED(pAudioSessionEnumerator->GetSession(nSessionIndex, &pSessionControl)))
+                        continue;
+                CComHeapPtr<WCHAR> pszDisplayName;
+                __C(pSessionControl->GetDisplayName(&pszDisplayName));
+                _tprintf(_T("nSessionIndex %d, pszDisplayName \"%s\"\n"), nSessionIndex, CString(pszDisplayName));
+                CNotification* pNotification = new CNotification(nSessionIndex);
+                __C(pSessionControl->RegisterAudioSessionNotification(pNotification));
+        }
         for(; ; )
         {
@@ -105 +105 @@
                                 continue;
                         CComQIPtr<IAudioMeterInformation> pMeterInformation = pSessionControl;
+                        DWORD nMask;
+                        __C(pMeterInformation->QueryHardwareSupport(&nMask));
                         FLOAT fPeakValue;
                         __C(pMeterInformation->GetPeakValue(&fPeakValue));
-                        _tprintf(_T("nSessionIndex %d, fPeakValue %.2f\n"), nSessionIndex, fPeakValue);
+                        _tprintf(_T("nSessionIndex %d, fPeakValue %.2f, nMask 0x%x\n"), nSessionIndex, fPeakValue, nMask);
                 }
                 Sleep(1000);