TInt CAsyWait::StartWaitD()
{
SetActive();
iWaiter->Start();
TInt err = iStatus.Int();
delete this;
return err;
}
pj_status_t CPjAudioInputEngine::StartRecord()
{
// Ignore command if recording is in progress.
if (state_ == STATE_ACTIVE)
return PJ_SUCCESS;
// According to Nokia's AudioStream example, some 2nd Edition, FP2 devices
// (such as Nokia 6630) require the stream to be reconstructed each time
// before calling Open() - otherwise the callback never gets called.
// For uniform behavior, lets just delete/re-create the stream for all
// devices.
// Destroy existing stream.
if (iInputStream_) delete iInputStream_;
iInputStream_ = NULL;
// Create the stream.
TRAPD(err, iInputStream_ = CMdaAudioInputStream::NewL(*this));
if (err != KErrNone)
return PJ_RETURN_OS_ERROR(err);
// Initialize settings.
TMdaAudioDataSettings iStreamSettings;
iStreamSettings.iChannels =
get_channel_cap(parentStrm_->param.channel_count);
iStreamSettings.iSampleRate =
get_clock_rate_cap(parentStrm_->param.clock_rate);
pj_assert(iStreamSettings.iChannels != 0 &&
iStreamSettings.iSampleRate != 0);
PJ_LOG(4,(THIS_FILE, "Opening sound device for capture, "
"clock rate=%d, channel count=%d..",
parentStrm_->param.clock_rate,
parentStrm_->param.channel_count));
// Open stream.
lastError_ = KRequestPending;
iInputStream_->Open(&iStreamSettings);
#if defined(PJMEDIA_AUDIO_DEV_MDA_USE_SYNC_START) && \
PJMEDIA_AUDIO_DEV_MDA_USE_SYNC_START != 0
startAsw_.Start();
#endif
// Success
PJ_LOG(4,(THIS_FILE, "Sound capture started."));
return PJ_SUCCESS;
}
// We could consider having CActiveSchedulerWait owned by the watchdog
// object, as then the watchdog itself could implement a Loop method;
// no one else really uses CActiveSchedulerWait anyway.
void MainLoopL()
{
CActiveSchedulerWait* loop = new (ELeave) CActiveSchedulerWait;
CleanupStack::PushL(loop);
// The watchdog will be running after its initialization. In error
// situations it will invoke AsyncStop() on the passed loop.
CWatchdog* watchdog = CWatchdog::NewLC(*loop);
watchdog->Start();
// AsyncStop will cause an exit from the loop, but we only want to
// invoke AsyncStop in severe error situations. This means that if
// Start() does return, then there must have been an error.
loop->Start();
CleanupStack::PopAndDestroy(watchdog);
CleanupStack::PopAndDestroy(loop);
}
pj_status_t CPjAudioOutputEngine::StartPlay()
{
// Ignore command if playing is in progress.
if (state_ == STATE_ACTIVE)
return PJ_SUCCESS;
// Destroy existing stream.
if (iOutputStream_) delete iOutputStream_;
iOutputStream_ = NULL;
// Create the stream
TRAPD(err, iOutputStream_ = CMdaAudioOutputStream::NewL(*this));
if (err != KErrNone)
return PJ_RETURN_OS_ERROR(err);
// Initialize settings.
TMdaAudioDataSettings iStreamSettings;
iStreamSettings.iChannels =
get_channel_cap(parentStrm_->param.channel_count);
iStreamSettings.iSampleRate =
get_clock_rate_cap(parentStrm_->param.clock_rate);
pj_assert(iStreamSettings.iChannels != 0 &&
iStreamSettings.iSampleRate != 0);
PJ_LOG(4,(THIS_FILE, "Opening sound device for playback, "
"clock rate=%d, channel count=%d..",
parentStrm_->param.clock_rate,
parentStrm_->param.channel_count));
// Open stream.
lastError_ = KRequestPending;
iOutputStream_->Open(&iStreamSettings);
#if defined(PJMEDIA_AUDIO_DEV_MDA_USE_SYNC_START) && \
PJMEDIA_AUDIO_DEV_MDA_USE_SYNC_START != 0
startAsw_.Start();
#endif
// Success
PJ_LOG(4,(THIS_FILE, "Sound playback started"));
return PJ_SUCCESS;
}
LOCAL_C void DoStartL()
{
CActiveScheduler *scheduler = new (ELeave) CActiveScheduler;
CleanupStack::PushL(scheduler);
CActiveScheduler::Install(scheduler);
CActiveSchedulerWait *asw = new CActiveSchedulerWait;
CleanupStack::PushL(asw);
MyTask *task = MyTask::NewL(asw);
task->Start();
asw->Start();
delete task;
CleanupStack::Pop(asw);
delete asw;
CActiveScheduler::Install(NULL);
CleanupStack::Pop(scheduler);
delete scheduler;
}
void CFeatureNotifierStepBase::WaitL( TInt aIntervalInMicorseconds )
{
TWaitInfo info;
// Construct periodic
CPeriodic* periodic = CPeriodic::NewL( CActive::EPriorityStandard );
CleanupStack::PushL( periodic );
info.iPeriodic = periodic;
// Construct active scheduler wait
CActiveSchedulerWait* wait = new( ELeave ) CActiveSchedulerWait;
CleanupStack::PushL( wait );
info.iWait = wait;
iWait = wait;
// Start timer and wait
TCallBack cb( WaitCallBack, &info );
periodic->Start( aIntervalInMicorseconds, aIntervalInMicorseconds, cb );
wait->Start();
// Cleanup
CleanupStack::PopAndDestroy( wait );
CleanupStack::PopAndDestroy( periodic );
}
