// Handle an incoming message
// Return TRUE if the message was handled, otherwise FALSE.
UtlBoolean MpMediaTask::handleMessage(OsMsg& rMsg)
{
UtlBoolean handled;
MpFlowGraphBase* pFlowGraph;
MpMediaTaskMsg* pMsg;
if (rMsg.getMsgType() != OsMsg::MP_TASK_MSG)
return FALSE; // the method only handles MP_TASK_MSG messages
pMsg = (MpMediaTaskMsg*) &rMsg;
pFlowGraph = (MpFlowGraphBase*) pMsg->getPtr1();
handled = TRUE; // until proven otherwise, assume we'll handle the msg
switch (pMsg->getMsg())
{
case MpMediaTaskMsg::MANAGE:
{
OsEvent* event = (OsEvent*)pMsg->getPtr2();
if (!handleManage(pFlowGraph))
mHandleMsgErrs++;
if (event) event->signal(0);
break;
}
case MpMediaTaskMsg::SET_FOCUS:
if (!handleSetFocus(pFlowGraph))
mHandleMsgErrs++;
break;
case MpMediaTaskMsg::START:
if (!handleStart(pFlowGraph))
mHandleMsgErrs++;
break;
case MpMediaTaskMsg::STOP:
if (!handleStop(pFlowGraph))
mHandleMsgErrs++;
break;
case MpMediaTaskMsg::UNMANAGE:
{
OsEvent* event = (OsEvent*)pMsg->getPtr2();
if (!handleUnmanage(pFlowGraph))
mHandleMsgErrs++;
if (event) event->signal(0);
break;
}
case MpMediaTaskMsg::WAIT_FOR_SIGNAL:
if (!handleWaitForSignal(pMsg))
mHandleMsgErrs++;
break;
default:
handled = FALSE; // we didn't handle the message after all
break;
}
return handled;
}
// (static) Release the "frame start" semaphore. This signals the media
// processing task that it should begin processing the next frame.
// Returns the result of releasing the binary semaphore that is used to send
// the signal.
OsStatus MpMediaTask::signalFrameStart(void)
{
OsStatus ret = OS_TASK_NOT_STARTED;
MpMediaTaskMsg* pMsg;
// If the Media Task has been started
if (0 != spInstance) {
pMsg = (MpMediaTaskMsg*) spInstance->mpSignalMsgPool->findFreeMsg();
if (NULL == pMsg) {
ret = OS_LIMIT_REACHED;
} else {
#ifdef _PROFILE /* [ */
timeval t;
gettimeofday(&t, NULL);
long long now = (t.tv_sec * 1000000) + t.tv_usec;
// Record the time into the message
pMsg->setInt1(t.tv_sec);
pMsg->setInt2(t.tv_usec);
// Record the tick interval into the histogram.
if (spInstance->mSignalTime.tally(now - sSignalTicks) >= 1000)
{
UtlString* print = spInstance->mSignalTime.show();
OsSysLog::add(FAC_MP, PRI_NOTICE,
"MpMediaTask::signalFrameStart %-18s %d%s",
"mSignalTime",
spInstance->mSignalTime.getBinSize(),
print->data());
delete print;
spInstance->mSignalTime.clear();
}
sSignalTicks = now; // record the time
#endif /* _PROFILE, __pingtel_on_posix__ ] */
ret = spInstance->postMessage(*pMsg, OsTime::NO_WAIT);
}
}
return ret;
}
// Handle an incoming message
// Return TRUE if the message was handled, otherwise FALSE.
UtlBoolean MpMediaTask::handleMessage(OsMsg& rMsg)
{
UtlBoolean handled;
MpFlowGraphBase* pFlowGraph;
MpMediaTaskMsg* pMsg;
if (rMsg.getMsgType() != OsMsg::MP_TASK_MSG)
return FALSE; // the method only handles MP_TASK_MSG messages
pMsg = (MpMediaTaskMsg*) &rMsg;
pFlowGraph = (MpFlowGraphBase*) pMsg->getPtr1();
handled = TRUE; // until proven otherwise, assume we'll handle the msg
#ifdef _PROFILE /* [ */
// Log the time it takes to handle messages other than WAIT_FOR_SIGNAL.
long long start_time;
if (pMsg->getMsg() != MpMediaTaskMsg::WAIT_FOR_SIGNAL)
{
timeval t;
gettimeofday(&t, NULL);
start_time = (t.tv_sec * 1000000) + t.tv_usec;
}
#endif /* _PROFILE ] */
if (getMessageQueue()->numMsgs() > 100)
{
OsSysLog::add(FAC_SIP, PRI_DEBUG,
"MpMediaTask::handleMessage msgType = %d, "
"queue length = %d",
pMsg->getMsg(), getMessageQueue()->numMsgs());
}
switch (pMsg->getMsg())
{
case MpMediaTaskMsg::MANAGE:
if (!handleManage(pFlowGraph))
mHandleMsgErrs++;
break;
case MpMediaTaskMsg::SET_FOCUS:
if (!handleSetFocus(pFlowGraph))
mHandleMsgErrs++;
break;
case MpMediaTaskMsg::START:
if (!handleStart(pFlowGraph))
mHandleMsgErrs++;
break;
case MpMediaTaskMsg::STOP:
if (!handleStop(pFlowGraph))
mHandleMsgErrs++;
break;
case MpMediaTaskMsg::UNMANAGE:
if (!handleUnmanage(pFlowGraph))
mHandleMsgErrs++;
break;
case MpMediaTaskMsg::WAIT_FOR_SIGNAL:
if (!handleWaitForSignal(pMsg))
mHandleMsgErrs++;
break;
default:
handled = FALSE; // we didn't handle the message after all
break;
}
#ifdef _PROFILE /* [ */
// Log the time it takes to handle messages other than WAIT_FOR_SIGNAL.
if (pMsg->getMsg() != MpMediaTaskMsg::WAIT_FOR_SIGNAL)
{
timeval t;
gettimeofday(&t, NULL);
long long end_time = (t.tv_sec * 1000000) + t.tv_usec;
mOtherMessages.tally(end_time - start_time);
}
#endif /* _PROFILE ] */
return handled;
}