[janderwald] 46642: [BDASUP] - Register an empty filter descriptor as pins, nodes, connections will be added later dynamically - Fixes the duplicate input / output pins visible with graphedt - Add the filter automation table to the object bag so it gets deleted when filter factory is destroyed

Author: janderwald
Date: Thu Apr  1 19:18:13 2010
New Revision: 46642

URL: http://svn.reactos.org/svn/reactos?rev=46642&view=rev
Log:
[BDASUP]
- Register an empty filter descriptor as pins, nodes, connections will be added later
dynamically
- Fixes the duplicate input / output pins visible with graphedt
- Add the filter automation table to the object bag so it gets deleted when filter factory
is destroyed

Modified:
    trunk/reactos/drivers/multimedia/bdasup/bdasup.c

Modified: trunk/reactos/drivers/multimedia/bdasup/bdasup.c
URL:
http://svn.reactos.org/svn/reactos/trunk/reactos/drivers/multimedia/bdasup/…
==============================================================================
--- trunk/reactos/drivers/multimedia/bdasup/bdasup.c [iso-8859-1] (original)
+++ trunk/reactos/drivers/multimedia/bdasup/bdasup.c [iso-8859-1] Thu Apr  1 19:18:13
2010
@@ -275,6 +275,14 @@
     /* copy filter descriptor template */
     RtlMoveMemory(FilterDescriptor, pFilterDescriptor, sizeof(KSFILTER_DESCRIPTOR));
 
+    /* erase pin / nodes / connections from filter descriptor */
+    FilterDescriptor->PinDescriptorsCount = 0;
+    FilterDescriptor->PinDescriptors = NULL;
+    FilterDescriptor->NodeDescriptorsCount = 0;
+    FilterDescriptor->NodeDescriptors = NULL;
+    FilterDescriptor->ConnectionsCount = 0;
+    FilterDescriptor->Connections = NULL;
+
     /* merge the automation tables */
     Status =
KsMergeAutomationTables((PKSAUTOMATION_TABLE*)&FilterDescriptor->AutomationTable,
(PKSAUTOMATION_TABLE)pFilterDescriptor->AutomationTable, &FilterAutomationTable,
NULL);
 
@@ -301,17 +309,21 @@
     /* check for success */
     if (NT_SUCCESS(Status))
     {
-
-        /* add the item to filter object bag */
-        Status = KsAddItemToObjectBag(FilterFactory->Bag, FilterInstance,
FreeFilterInstance);
-        if (!NT_SUCCESS(Status))
+        if (FilterDescriptor->AutomationTable != &FilterAutomationTable)
         {
-            /* destroy filter instance */
-            DPRINT1("KsAddItemToObjectBag failed with %lx\n", Status);
-            FreeItem(FilterDescriptor);
-            FreeItem(FilterInstance);
-            KsDeleteFilterFactory(FilterFactory);
-            return Status;
+            /* add the item to filter object bag */
+            KsAddItemToObjectBag(FilterFactory->Bag,
(PVOID)FilterDescriptor->AutomationTable, FreeFilterInstance);
+        }
+        else
+        {
+            /* make sure the automation table is not-read only */
+            Status = _KsEdit(FilterFactory->Bag,
(PVOID*)&FilterDescriptor->AutomationTable, sizeof(KSAUTOMATION_TABLE),
sizeof(KSAUTOMATION_TABLE), 0);
+
+            /* sanity check */
+            ASSERT(Status == STATUS_SUCCESS);
+
+            /* add to object bag */
+            KsAddItemToObjectBag(FilterFactory->Bag,
(PVOID)FilterDescriptor->AutomationTable, FreeFilterInstance);
         }
 
         /* initialize filter instance entry */
@@ -338,7 +350,7 @@
     {
         /* failed to create filter factory */
         FreeItem(FilterInstance);
-        DPRINT1("KsCreateFilterFactory failed with %lx\n", Status);
+        FreeItem(FilterDescriptor);
     }
 
     /* done */