Beispiel #1
0
int MpTopologyGraph::addVirtualOutputs(MpResourceTopology& resourceTopology,
                                       UtlHashBag& newResources,
                                       UtlBoolean replaceNumInName,
                                       int resourceNum)
{
   int portsAdded = 0;
   MpResourceTopology::VirtualPortIterator portIter;
   UtlString realResourceName;
   int realPortIdx;
   UtlString virtualResourceName;
   int virtualPortIdx;

   resourceTopology.initVirtualOutputIterator(portIter);
   while (resourceTopology.getNextVirtualOutput(portIter,
                                                realResourceName, realPortIdx,
                                                virtualResourceName, virtualPortIdx)
          == OS_SUCCESS)
   {
      if(replaceNumInName)
      {
         MpResourceTopology::replaceNumInName(realResourceName, resourceNum);
         MpResourceTopology::replaceNumInName(virtualResourceName, resourceNum);
      }

      // Lookup real resource.
      MpResource *pResource = (MpResource*)newResources.find(&realResourceName);
      assert(pResource);
      if (!pResource)
      {
         continue;
      }

      // Check port index correctness. Note, that this check gracefully
      // handles case with realPortIdx equal -1.
      if (realPortIdx >= pResource->maxOutputs())
      {
         assert(!"Trying to map virtual port to non existing real port!");
         continue;
      }

      // Add entry to virtual ports map.
      // We need to create UtlVoidPtr wrapper for pResource, or it will be
      // destroyed on pair deletion.
      UtlContainablePair *pRealPort = new UtlContainablePair(new UtlVoidPtr(pResource),
                                                             new UtlInt(realPortIdx));
      UtlContainablePair *pVirtPort = new UtlContainablePair(new UtlString(virtualResourceName),
                                                             new UtlInt(virtualPortIdx));
      mVirtualOutputs.insertKeyAndValue(pVirtPort, pRealPort);
      portsAdded++;
   }
   resourceTopology.freeVirtualOutputIterator(portIter);

   return portsAdded;
}
Beispiel #2
0
// Removes the link between the "outPortIdx" port of the "rFrom"
// resource and its downstream counterpart. If the flow graph is not
// "started", this call takes effect immediately.  Otherwise, the call
// takes effect at the start of the next frame processing interval.
// Returns OS_SUCCESS if the link is removed.  Returns
// OS_INVALID_ARGUMENT if the caller specified an invalid port index.
OsStatus MpFlowGraphBase::removeLink(MpResource& rFrom, int outPortIdx)
{
   OsWriteLock    lock(mRWMutex);

   UtlBoolean      handled;
   MpFlowGraphMsg msg(MpFlowGraphMsg::FLOWGRAPH_REMOVE_LINK, NULL,
                      &rFrom, NULL, outPortIdx);

   if (outPortIdx < 0 || outPortIdx >= rFrom.maxOutputs())
      return OS_INVALID_ARGUMENT;

   if (mCurState == STARTED)
      return postMessage(msg);

   handled = handleMessage(msg);
   if (handled)
      return OS_SUCCESS;
   else
      return OS_UNSPECIFIED;
}