Changeset 359 for trunk/DirectShowSpy/RunPropertyBag.h

Timestamp:

Jan 30, 2015, 5:12:31 AM (8 years ago)

Author:

roman

Message:

Suppress exceptions on missing property pages in property frame helper; Suppress exceptions on reading non-implemented properties via IQualProp

File:

• trunk/DirectShowSpy/RunPropertyBag.h (modified) (1 diff)

trunk/DirectShowSpy/RunPropertyBag.h

@@ -66 +66 @@
                                 {
                                         INT nFramesDroppedInRenderer, nFramesDrawn, nAvgFrameRate, nJitter, nAvgSyncOffset, nDevSyncOffset;
-                                        __C(pQualProp->get_FramesDroppedInRenderer(&nFramesDroppedInRenderer));
-                                        __C(pQualProp->get_FramesDrawn(&nFramesDrawn));
-                                        __C(pQualProp->get_AvgFrameRate(&nAvgFrameRate));
-                                        __C(pQualProp->get_Jitter(&nJitter));
-                                        __C(pQualProp->get_AvgSyncOffset(&nAvgSyncOffset));
-                                        __C(pQualProp->get_DevSyncOffset(&nDevSyncOffset));
-                                        PropertyBagNeeded(pPropertyBag);
-                                        pPropertyBag->WriteValue(_T("FramesDroppedInRenderer"), CComVariant((LONG) nFramesDroppedInRenderer));
-                                        pPropertyBag->WriteValue(_T("FramesDrawn"), CComVariant((LONG) nFramesDrawn));
-                                        pPropertyBag->WriteValue(_T("AvgFrameRate"), CComVariant((DOUBLE) nAvgFrameRate / 100));
-                                        pPropertyBag->WriteValue(_T("Jitter"), CComVariant((LONG) nJitter));
-                                        pPropertyBag->WriteValue(_T("AvgSyncOffset"), CComVariant((LONG) nAvgSyncOffset));
-                                        pPropertyBag->WriteValue(_T("DevSyncOffset"), CComVariant((LONG) nDevSyncOffset));
+                                        // NOTE: IQualProp methods are not implemented on EVR even though the interface itself is exposed
+                                        const HRESULT nGetAvgFrameRateResult = pQualProp->get_AvgFrameRate(&nAvgFrameRate);
+                                        if(SUCCEEDED(nGetAvgFrameRateResult))
+                                        {
+                                                __C(pQualProp->get_FramesDroppedInRenderer(&nFramesDroppedInRenderer));
+                                                __C(pQualProp->get_FramesDrawn(&nFramesDrawn));
+                                                //__C(pQualProp->get_AvgFrameRate(&nAvgFrameRate));
+                                                __C(pQualProp->get_Jitter(&nJitter));
+                                                __C(pQualProp->get_AvgSyncOffset(&nAvgSyncOffset));
+                                                __C(pQualProp->get_DevSyncOffset(&nDevSyncOffset));
+                                                PropertyBagNeeded(pPropertyBag);
+                                                pPropertyBag->WriteValue(_T("FramesDroppedInRenderer"), CComVariant((LONG) nFramesDroppedInRenderer));
+                                                pPropertyBag->WriteValue(_T("FramesDrawn"), CComVariant((LONG) nFramesDrawn));
+                                                pPropertyBag->WriteValue(_T("AvgFrameRate"), CComVariant((DOUBLE) nAvgFrameRate / 100));
+                                                pPropertyBag->WriteValue(_T("Jitter"), CComVariant((LONG) nJitter));
+                                                pPropertyBag->WriteValue(_T("AvgSyncOffset"), CComVariant((LONG) nAvgSyncOffset));
+                                                pPropertyBag->WriteValue(_T("DevSyncOffset"), CComVariant((LONG) nDevSyncOffset));
+                                        }
                                 }
                                 _ATLCATCHALL()