// (static) Displays information on the console about the media processing
// task.
MpFlowGraphBase* MpMediaTask::mediaInfo(void)
{
MpFlowGraphBase* flowGraphs[20];
int i;
int numItems;
MpMediaTask* pMediaTask;
MpFlowGraphBase* pFlowGraph;
OsStatus res;
pMediaTask = MpMediaTask::getMediaTask(0);
printf("\nMedia processing task information\n");
printf(" Debug mode: %s\n",
pMediaTask->getDebugMode() ? "TRUE" : "FALSE");
printf(" Processed Frame Count: %d\n",
pMediaTask->numProcessedFrames());
printf(" Processing Time Limit: %d usecs\n",
pMediaTask->getTimeLimit());
printf(" Processing Limit Exceeded Count: %d\n",
pMediaTask->getLimitExceededCnt());
i = pMediaTask->getWaitTimeout();
if (i < 0)
printf(" Frame Start Wait Timeout: INFINITE\n");
else
printf(" Frame Start Wait Timeout: %d\n", i);
printf(" Wait Timeout Exceeded Count: %d\n",
pMediaTask->getWaitTimeoutCnt());
printf("\n Flow Graph Information\n");
printf(" Managed: %d\n", pMediaTask->numManagedFlowGraphs());
printf(" Started: %d\n", pMediaTask->numStartedFlowGraphs());
pFlowGraph = pMediaTask->getFocus();
if (pFlowGraph == NULL)
printf(" Focus: NULL\n");
else
printf(" Focus: %p\n", pFlowGraph);
res = pMediaTask->getManagedFlowGraphs(flowGraphs, 20, numItems);
for (i=0; i < numItems; i++)
printf(" FlowGraph[%d]: %p\n", i, flowGraphs[i]);
return pFlowGraph;
}
void testCreators()
{
MpMediaTask* pMediaTask = 0;
OsStatus res;
int numFramesAlready;
// Call getMediaTask() which causes the task to get instantiated
pMediaTask = MpMediaTask::getMediaTask(10);
CPPUNIT_ASSERT(pMediaTask != NULL);
// Check the initial state of the MpMediaTask object
// ****************************************************************************
// **** This is NOT THE INITIAL STATE UNLESS THE ABOVE CALL to getMediaTask()
// **** is the very first call to that function. The problem with these
// **** tests is that they were meant to be run separately, but that is not
// **** the case with our self-starting singleton tasks. This one has been
// **** around the track a few times already, we get whatever we get.
// ****************************************************************************
// Not anymore... CPPUNIT_ASSERT(pMediaTask->getDebugMode() == FALSE);
// Good luck with the rest!
CPPUNIT_ASSERT(pMediaTask->getFocus() == NULL);
// Not anymore... CPPUNIT_ASSERT_EQUAL(0, pMediaTask->getLimitExceededCnt());
CPPUNIT_ASSERT(pMediaTask->getTimeLimit() == MpMediaTask::DEF_TIME_LIMIT_USECS);
CPPUNIT_ASSERT(pMediaTask->getWaitTimeout() == MpMediaTask::DEF_SEM_WAIT_MSECS);
// Not anymore... CPPUNIT_ASSERT_EQUAL(0, pMediaTask->getWaitTimeoutCnt());
CPPUNIT_ASSERT_EQUAL(0, pMediaTask->numManagedFlowGraphs());
// Not anymore... CPPUNIT_ASSERT_EQUAL(0, pMediaTask->numProcessedFrames());
numFramesAlready = pMediaTask->numProcessedFrames();
CPPUNIT_ASSERT_EQUAL(0, pMediaTask->numStartedFlowGraphs());
// Verify that the task is actually running by:
// enabling debug mode
// calling signalFrameStart()
// checking the processed frame count
res = pMediaTask->setDebug(TRUE);
CPPUNIT_ASSERT(res == OS_SUCCESS);
res = MpMediaTask::signalFrameStart(); // send a signal to the task
CPPUNIT_ASSERT(res == OS_SUCCESS); // and give it a chance to run
OsTask::delay(20);
// Not anymore... CPPUNIT_ASSERT_EQUAL(1, pMediaTask->numProcessedFrames());
CPPUNIT_ASSERT_EQUAL((numFramesAlready+1), pMediaTask->numProcessedFrames());
}
void testManagedAndUnmanagedFlowGraph()
{
MpFlowGraphBase* pFlowGraph = 0;
MpMediaTask* pMediaTask = 0;
OsStatus res;
// Test 1: Create an empty flow graph and manage it
pMediaTask = MpMediaTask::getMediaTask(10);
pFlowGraph = new MpFlowGraphBase(30, 30);
res = pMediaTask->manageFlowGraph(*pFlowGraph);
CPPUNIT_ASSERT(res == OS_SUCCESS);
res = MpMediaTask::signalFrameStart(); // send a signal to the task
CPPUNIT_ASSERT(res == OS_SUCCESS); // and give it a chance to run
// NOTE: original delay of 20 was tempermental, I increased
// this to 100 to reduce the chance of this happening to
// hopefully 0% - DLH
OsTask::delay(100);
CPPUNIT_ASSERT_EQUAL(1, pMediaTask->numManagedFlowGraphs());
// Test 2: Invoke manageFlowGraph() with the same flow graph
// (will increment the numHandledMsgErrs() count for that
// frame processing interval but should otherwise have no
// effect)
res = pMediaTask->manageFlowGraph(*pFlowGraph);
CPPUNIT_ASSERT(res == OS_SUCCESS);
res = MpMediaTask::signalFrameStart(); // send a signal to the task
CPPUNIT_ASSERT(res == OS_SUCCESS); // and give it a chance to run
OsTask::delay(20);
CPPUNIT_ASSERT_EQUAL(1, pMediaTask->numManagedFlowGraphs());
CPPUNIT_ASSERT_EQUAL(1, pMediaTask->numHandledMsgErrs());
// Test 3: Unmanage the flow graph
res = pMediaTask->unmanageFlowGraph(*pFlowGraph);
CPPUNIT_ASSERT(res == OS_SUCCESS);
res = MpMediaTask::signalFrameStart(); // send a signal to the task
CPPUNIT_ASSERT(res == OS_SUCCESS); // and give it a chance to run
OsTask::delay(20);
CPPUNIT_ASSERT_EQUAL(0, pMediaTask->numManagedFlowGraphs());
// Test 4: Unmanage a flow graph which is not currently managed
// (will increment the numHandledMsgErrs() count for that
// frame processing interval but should otherwise have no
// effect)
res = pMediaTask->unmanageFlowGraph(*pFlowGraph);
CPPUNIT_ASSERT(res == OS_SUCCESS);
res = MpMediaTask::signalFrameStart(); // send a signal to the task
CPPUNIT_ASSERT(res == OS_SUCCESS); // and give it a chance to run
OsTask::delay(20);
CPPUNIT_ASSERT_EQUAL(0, pMediaTask->numManagedFlowGraphs());
CPPUNIT_ASSERT_EQUAL(1, pMediaTask->numHandledMsgErrs());
// Test 5: Attempt to manage a flow graph that is not in the
// MpFlowGraphBase::STOPPED state
res = pFlowGraph->start(); // send the flow graph a start
CPPUNIT_ASSERT(res == OS_SUCCESS); // command and a signal to
res = pFlowGraph->processNextFrame(); // process its messages
CPPUNIT_ASSERT(res == OS_SUCCESS);
res = pMediaTask->manageFlowGraph(*pFlowGraph);
CPPUNIT_ASSERT(res == OS_INVALID_ARGUMENT);
res = pFlowGraph->stop(); // send the flow graph a stop
CPPUNIT_ASSERT(res == OS_SUCCESS); // command and a signal to
res = pFlowGraph->processNextFrame(); // process its messages
CPPUNIT_ASSERT(res == OS_SUCCESS);
// Test 6: Unmanage a flow graph that is "started"
res = pMediaTask->manageFlowGraph(*pFlowGraph);
CPPUNIT_ASSERT(res == OS_SUCCESS);
res = pMediaTask->startFlowGraph(*pFlowGraph); // start the flow graph
CPPUNIT_ASSERT(res == OS_SUCCESS);
res = MpMediaTask::signalFrameStart(); // send a signal to the task
CPPUNIT_ASSERT(res == OS_SUCCESS); // and give it a chance to run
OsTask::delay(20);
res = pMediaTask->unmanageFlowGraph(*pFlowGraph);
CPPUNIT_ASSERT(res == OS_SUCCESS);
res = MpMediaTask::signalFrameStart(); // send a signal to the task
CPPUNIT_ASSERT(res == OS_SUCCESS); // and give it a chance to run
OsTask::delay(20);
// verify that the flow graph has been stopped and is unmanaged
CPPUNIT_ASSERT(pFlowGraph->getState() == MpFlowGraphBase::STOPPED);
CPPUNIT_ASSERT_EQUAL(0, pMediaTask->numManagedFlowGraphs());
CPPUNIT_ASSERT_EQUAL(0, pMediaTask->numStartedFlowGraphs());
delete pFlowGraph;
}