コード例 #1
0
ファイル: MpMediaTask.cpp プロジェクト: Jaroslav23/sipxtapi
// Handles the SET_FOCUS message.
// Returns TRUE if the message was handled, otherwise FALSE.
UtlBoolean MpMediaTask::handleSetFocus(MpFlowGraphBase* pFlowGraph)
{
   if (pFlowGraph != NULL)
   {
      if (!isManagedFlowGraph(pFlowGraph) ||
          !pFlowGraph->isStarted())
      {
         Nprintf("MpMT::handleSetFocus(0x%X) INVALID: %smanaged, %sstarted\n",
            (int) pFlowGraph,
            (int) (isManagedFlowGraph(pFlowGraph)? "" : "NOT "),
            (int) (pFlowGraph->isStarted() ? "" : "NOT "), 0,0,0);
         return FALSE; // we aren't managing this flow graph, return FALSE
      }
   }

   if (mpFocus != NULL)
   {
#ifndef DISABLE_LOCAL_AUDIO
      // stop input stream
      MpAudioDriverManager* pAudioManager = MpAudioDriverManager::getInstance();
      if (pAudioManager)
      {
         pAudioManager->abortInputStream();
      }
#endif
      
      // remove focus from the flow graph that currently has it
      Nprintf("MpMT::handleSetFocus(0x%X): removing old focus (0x%X)\n",
         (int) pFlowGraph, (int) mpFocus, 0,0,0,0);
      mpFocus->loseFocus();
   }

   mpFocus = pFlowGraph;
   if (mpFocus != NULL)
   {
      // try to give focus to the indicated flow graph
      if (OS_SUCCESS != mpFocus->gainFocus())
      {
         Nprintf("MpMT::handleSetFocus(0x%X): attempt to give focus FAILED\n",
            (int) pFlowGraph, 0,0,0,0,0);
         mpFocus = NULL;
         return FALSE; // the flow graph did not accept focus.
      }

#ifndef DISABLE_LOCAL_AUDIO
      // start input stream
      MpAudioDriverManager* pAudioManager = MpAudioDriverManager::getInstance();
      if (pAudioManager)
      {
         pAudioManager->startInputStream();
      }
#endif
      Nprintf("MpMT::handleSetFocus(0x%X): attempt to give focus SUCCEEDED\n",
         (int) pFlowGraph, 0,0,0,0,0);
   }

   return TRUE;
}
コード例 #2
0
ファイル: MpMediaTask.cpp プロジェクト: Jaroslav23/sipxtapi
// Handles the UNMANAGE message.
// Returns TRUE if the message was handled, otherwise FALSE.
UtlBoolean MpMediaTask::handleUnmanage(MpFlowGraphBase* pFlowGraph)
{
   OsLock lock(mMutex);
   UtlBoolean   found;
   OsStatus    res;

   if (pFlowGraph == mpFocus)
            handleSetFocus(NULL);

   if (!isManagedFlowGraph(pFlowGraph)) {
      return FALSE;  // flow graph is not presently managed, return FALSE
   }

   if (pFlowGraph->getState() != MpFlowGraphBase::STOPPED)
   {
      handleStop(pFlowGraph);

      // since we have "unmanaged" this flow graph, we need to coerce the
      // flow graph into processing its messages so that it gets the
      // indication that it has been stopped.
      res = pFlowGraph->processNextFrame();
      assert(res == OS_SUCCESS);
   }

   UtlPtr<MpFlowGraphBase> ptr(pFlowGraph);
   // deletes the old UtlPtr we allocated earlier
   found = mManagedFlowGraphs.destroy(&ptr);

   return found;
}
コード例 #3
0
ファイル: MpMediaTask.cpp プロジェクト: LordGaav/sipxecs
// Handles the SET_FOCUS message.
// Returns TRUE if the message was handled, otherwise FALSE.
UtlBoolean MpMediaTask::handleSetFocus(MpFlowGraphBase* pFlowGraph)
{
   if (pFlowGraph != NULL)
   {
      if (!isManagedFlowGraph(pFlowGraph) ||
          !pFlowGraph->isStarted())
      {
         Nprintf("MpMT::handleSetFocus(0x%p) INVALID: %smanaged, %sstarted\n",
            pFlowGraph,
            (int) (isManagedFlowGraph(pFlowGraph)? "" : "NOT "),
            (int) (pFlowGraph->isStarted() ? "" : "NOT "), 0,0,0);
         return FALSE; // we aren't managing this flow graph, return FALSE
      }
   }

   if (mpFocus != NULL)
   {
      // remove focus from the flow graph that currently has it
      Nprintf("MpMT::handleSetFocus(0x%p): removing old focus (0x%p)\n",
         pFlowGraph, mpFocus, 0,0,0,0);
      mpFocus->loseFocus();
   }

   mpFocus = pFlowGraph;
   if (mpFocus != NULL)
   {
      // try to give focus to the indicated flow graph
      if (OS_SUCCESS != mpFocus->gainFocus())
      {
         Nprintf("MpMT::handleSetFocus(0x%p): attempt to give focus FAILED\n",
            pFlowGraph, 0,0,0,0,0);
         mpFocus = NULL;
         return FALSE; // the flow graph did not accept focus.
      }
      Nprintf("MpMT::handleSetFocus(0x%p): attempt to give focus SUCCEEDED\n",
         pFlowGraph, 0,0,0,0,0);
   }

   return TRUE;
}
コード例 #4
0
ファイル: MpMediaTask.cpp プロジェクト: LordGaav/sipxecs
// Handles the UNMANAGE message.
// Returns TRUE if the message was handled, otherwise FALSE.
UtlBoolean MpMediaTask::handleUnmanage(MpFlowGraphBase* pFlowGraph)
{
   OsLock lock(mMutex);
   UtlBoolean   found;
   int         i;
   OsStatus    res;

   if (pFlowGraph == mpFocus)
            handleSetFocus(NULL);

   if (!isManagedFlowGraph(pFlowGraph)) {
      return FALSE;  // flow graph is not presently managed, return FALSE
   }

   if (pFlowGraph->getState() != MpFlowGraphBase::STOPPED)
   {
      handleStop(pFlowGraph);

      // since we have "unmanaged" this flow graph, we need to coerce the
      // flow graph into processing its messages so that it gets the
      // indication that it has been stopped.
      res = pFlowGraph->processNextFrame();
      assert(res == OS_SUCCESS);
   }

   found = FALSE;
   for (i=0; i < mManagedCnt; i++)
   {
      if (found)
      {                           // compact the managed flow graphs array
         mManagedFGs[i-1] = mManagedFGs[i];
      }

      if (mManagedFGs[i] == pFlowGraph)
      {
         // PRINTF("MpMediaTask::handleUnmanage: Removing flow graph # %d!\n", i, 0,0,0,0,0);
         found = TRUE;
         mManagedFGs[i] = NULL;
      }
   }

   if (!found) {                  // we aren't managing this flow graph,
      return FALSE;               //  return FALSE
   }

   mManagedCnt--;
   return TRUE;
}
コード例 #5
0
ファイル: MpMediaTask.cpp プロジェクト: LordGaav/sipxecs
// Handles the START message.
// Returns TRUE if the message was handled, otherwise FALSE.
UtlBoolean MpMediaTask::handleStart(MpFlowGraphBase* pFlowGraph)
{
   OsStatus res;

   if (!isManagedFlowGraph(pFlowGraph))
      return FALSE;  // flow graph is not presently managed, return FALSE

   if (pFlowGraph->isStarted())   // if already started, return FALSE
      return FALSE;

   res = pFlowGraph->start();
   assert(res == OS_SUCCESS);

   mStartedCnt++;
   return TRUE;
}
コード例 #6
0
ファイル: MpMediaTask.cpp プロジェクト: Jaroslav23/sipxtapi
// Handles the MANAGE message.
// Returns TRUE if the message was handled, otherwise FALSE.
UtlBoolean MpMediaTask::handleManage(MpFlowGraphBase* pFlowGraph)
{
   OsLock lock(mMutex);

   if (isManagedFlowGraph(pFlowGraph)) { // we are already managing
      // PRINTF("MpMediaTask::handleManage: ERROR: flow graph already managed!\n", 0,0,0,0,0,0);
      return FALSE;                      // the flow graph, return FALSE
   }

   // PRINTF("MpMediaTask::handleManage: Adding flow graph # %d!\n", mManagedCnt, 0,0,0,0,0);

   // add flowgraph to hashbag
   UtlContainable* pRes = mManagedFlowGraphs.insert(new UtlPtr<MpFlowGraphBase>(pFlowGraph));
   assert(pRes);

   return pRes != NULL;
}
コード例 #7
0
ファイル: MpMediaTask.cpp プロジェクト: LordGaav/sipxecs
// Handles the STOP message.
// Returns TRUE if the message was handled, otherwise FALSE.
UtlBoolean MpMediaTask::handleStop(MpFlowGraphBase* pFlowGraph)
{
   OsStatus res;

   if (pFlowGraph == mpFocus)
            handleSetFocus(NULL);

   if (!isManagedFlowGraph(pFlowGraph))
      return FALSE;  // flow graph is not presently managed, return FALSE

   if (pFlowGraph->getState() == MpFlowGraphBase::STOPPED)
      return FALSE;               // if already stopped, return FALSE

   res = pFlowGraph->stop();
   assert(res == OS_SUCCESS);

   mStartedCnt--;
   return TRUE;
}
コード例 #8
0
ファイル: MpMediaTask.cpp プロジェクト: LordGaav/sipxecs
// Handles the MANAGE message.
// Returns TRUE if the message was handled, otherwise FALSE.
UtlBoolean MpMediaTask::handleManage(MpFlowGraphBase* pFlowGraph)
{
   OsLock lock(mMutex);

   if (mManagedCnt >= mMaxFlowGraph) {
      // PRINTF("MpMediaTask::handleManage: ERROR: too many flow graphs!\n", 0,0,0,0,0,0);
      return FALSE;
   }

   if (isManagedFlowGraph(pFlowGraph)) { // we are already managing
      // PRINTF("MpMediaTask::handleManage: ERROR: flow graph already managed!\n", 0,0,0,0,0,0);
      return FALSE;                      // the flow graph, return FALSE
   }

   // PRINTF("MpMediaTask::handleManage: Adding flow graph # %d!\n", mManagedCnt, 0,0,0,0,0);
   mManagedFGs[mManagedCnt] = pFlowGraph;
   mManagedCnt++;

   return TRUE;
}