Changeset 98 for trunk/DirectShowSpy/FilterGraphSpy.h

Timestamp:

Aug 21, 2012, 3:09:45 PM (11 years ago)

Author:

roman

Message:

• logs IMediaEvent, IMediaEventEx, IMediaEventSink calls
• logs call stack for IMediaEventSink::Notify with EC_ERRORABORT

File:

• trunk/DirectShowSpy/FilterGraphSpy.h (modified) (4 diffs)

trunk/DirectShowSpy/FilterGraphSpy.h

@@ -506 +506 @@
                 return FALSE;
         }
+        static BOOL LookupEventCodeName(LONG nEventCode, LPCSTR& pszName) throw()
+        {
+                // NOTE: See Windows SDK evcode.h
+                static const struct { LONG nEventCode; LPCSTR pszName; } g_pMap[] = 
+                {
+                        #define A(x) { x, #x },
+                        A(EC_COMPLETE)
+                        A(EC_USERABORT)
+                        A(EC_ERRORABORT)
+                        A(EC_TIME)
+                        A(EC_REPAINT)
+                        A(EC_STREAM_ERROR_STOPPED)
+                        A(EC_STREAM_ERROR_STILLPLAYING)
+                        A(EC_ERROR_STILLPLAYING)
+                        A(EC_PALETTE_CHANGED)
+                        A(EC_VIDEO_SIZE_CHANGED)
+                        A(EC_QUALITY_CHANGE)
+                        A(EC_SHUTTING_DOWN)
+                        A(EC_CLOCK_CHANGED)
+                        A(EC_PAUSED)
+                        A(EC_OPENING_FILE)
+                        A(EC_BUFFERING_DATA)
+                        A(EC_FULLSCREEN_LOST)
+                        A(EC_ACTIVATE)
+                        A(EC_NEED_RESTART)
+                        A(EC_WINDOW_DESTROYED)
+                        A(EC_DISPLAY_CHANGED)
+                        A(EC_STARVATION)
+                        A(EC_OLE_EVENT)
+                        A(EC_NOTIFY_WINDOW)
+                        A(EC_STREAM_CONTROL_STOPPED)
+                        A(EC_STREAM_CONTROL_STARTED)
+                        A(EC_END_OF_SEGMENT)
+                        A(EC_SEGMENT_STARTED)
+                        A(EC_LENGTH_CHANGED)
+                        A(EC_DEVICE_LOST)
+                        A(EC_SAMPLE_NEEDED)
+                        A(EC_PROCESSING_LATENCY)
+                        A(EC_SAMPLE_LATENCY)
+                        A(EC_SCRUB_TIME)
+                        A(EC_STEP_COMPLETE)
+                        #undef A
+                };
+                for(SIZE_T nIndex = 0; nIndex < DIM(g_pMap); nIndex++)
+                        if(g_pMap[nIndex].nEventCode == nEventCode)
+                        {
+                                pszName = g_pMap[nIndex].pszName;
+                                return TRUE;
+                        }
+                return FALSE;
+        }
 
 // ISpy
@@ -793 +844 @@
     STDMETHOD(Notify)(LONG nEventCode, LONG_PTR nParameter1, LONG_PTR nParameter2) throw()
         {
+                #if TRUE
+                        LPCSTR pszEventName = NULL;
+                        if(LookupEventCodeName(nEventCode, pszEventName))
+                        {
+                                _Z4(atlTraceCOM, 4, _T("nEventCode %hs (0x%02X), nParameter1 0x%p, nParameter2 0x%p\n"), pszEventName, nEventCode, nParameter1, nParameter2);
+                        } else
+                #endif
                 _Z4(atlTraceCOM, 4, _T("nEventCode 0x%02X, nParameter1 0x%p, nParameter2 0x%p\n"), nEventCode, nParameter1, nParameter2);
                 #if defined(_M_IX86)
                         // WARN: Guarding section around might be preventing from walknig frame up the stack
-                        if(nEventCode == EC_ERRORABORT)
+                        if(nEventCode == EC_ERRORABORT) // || nEventCode == EC_VIDEO_SIZE_CHANGED)
                         {
                                 CONTEXT ThreadContext = { CONTEXT_FULL };
                                 GetCurrentThreadContext(&ThreadContext);
-                                CDebugTraceCallStack::TraceCallStack(ThreadContext, (nEventCode == EC_ERRORABORT) ? 32 : 8);
+                                CDebugTraceCallStack::TraceCallStack(ThreadContext, 32); //(nEventCode == EC_ERRORABORT) ? 32 : 8);
                         }
                 #endif // defined(_M_IX86)
+                if(!m_pInnerMediaEventSink)
+                        return S_FALSE;
                 return m_pInnerMediaEventSink->Notify(nEventCode, nParameter1, nParameter2);
         }
@@ -830 +890 @@
         STDMETHOD(CancelDefaultHandling)(LONG nEventCode) throw()
         {
+                #if TRUE
+                        LPCSTR pszEventName = NULL;
+                        if(LookupEventCodeName(nEventCode, pszEventName))
+                        {
+                                _Z4(atlTraceCOM, 4, _T("nEventCode %hs (0x%02X)\n"), pszEventName, nEventCode);
+                        } else
+                #endif
                 _Z4(atlTraceCOM, 4, _T("nEventCode 0x%02X\n"), nEventCode);
                 return m_pInnerMediaEventEx->CancelDefaultHandling(nEventCode);
@@ -835 +902 @@
         STDMETHOD(RestoreDefaultHandling)(LONG nEventCode) throw()
         {
+                #if TRUE
+                        LPCSTR pszEventName = NULL;
+                        if(LookupEventCodeName(nEventCode, pszEventName))
+                        {
+                                _Z4(atlTraceCOM, 4, _T("nEventCode %hs (0x%02X)\n"), pszEventName, nEventCode);
+                        } else
+                #endif
                 _Z4(atlTraceCOM, 4, _T("nEventCode 0x%02X\n"), nEventCode);
                 return m_pInnerMediaEventEx->RestoreDefaultHandling(nEventCode);