status_t EMBeOutputNode::HandleMessage(int32 message, const void* data, size_t size)
{
if(message == EM_PORT_MESSAGE_INCOMING_BUFFER)
{
m_opBuffer = *((BBuffer**) data);
if(RunState() != B_STARTED)
{
emerr << "ERROR! Node received buffer when not running!" << endl;
m_opBuffer -> Recycle();
return B_OK;
}
if(m_opBuffer != NULL)
{
vCount++;
EMMediaFormat* opFormat = GetConnectedEMMediaFormat();
if((opFormat -> m_eType & EM_TYPE_ANY_VIDEO) > 0)
{
opFormat -> m_vFrameRate = *(static_cast<float*>(EMMediaEngine::Instance() -> GetSettingsRepository() -> GetSetting(SETTING_VIDEO_FRAMERATE)));
}
int64 vFrames = EMBeMediaUtility::FramesInBuffer(m_opBuffer, opFormat, EM_TYPE_RAW_AUDIO); // + 44100 / 4;
m_vNumberOfReceivedFrames += vFrames;
int64 vTime = EMBeMediaUtility::FramesToTime(m_vNumberOfReceivedFrames, m_opSystemAudioFormat);
int64 vNextBufferPerf = static_cast<uint64>(floor(static_cast<float>(m_vStartingTime) + vTime));
m_opBuffer -> Header() -> start_time = vNextBufferPerf;
media_timed_event sEvent(vNextBufferPerf, BTimedEventQueue::B_HANDLE_BUFFER);
sEvent.pointer = m_opBuffer;
sEvent.cleanup = BTimedEventQueue::B_RECYCLE_BUFFER;
status_t vResult = EventQueue() -> AddEvent(sEvent);
if(vResult != B_OK)
{
emerr << "ERROR! Couldn't add the B_HANDLE_BUFFER event to the queue: " << strerror(vResult) << endl;
m_opBuffer -> Recycle();
}
}
else
emerr << "ERROR! Node received invalid EM_NODE_BUFFER_ADDED message!" << endl;
return B_OK;
}
else if(message == EM_PORT_MESSAGE_FLUSH_QUEUE)
{
media_timed_event sEvent(TimeSource() -> Now(), EM_TIMED_EVENT_FLUSH_CASH);
EventQueue() -> AddEvent(sEvent);
}
else if(message == EM_PORT_MESSAGE_RESET)
{
media_timed_event sEvent(TimeSource() -> Now(), EM_TIMED_EVENT_RESET);
EventQueue() -> AddEvent(sEvent);
}
else
{
;//emout_commented_out_4_release << "ERROR! Received unknown message!" << endl;
BMediaNode::HandleBadMessage(message, data, size);
}
return B_OK;
}
bool EMBeOutputNode::Shutdown()
{
Quit();
while(EventQueue() -> FindFirstMatch(0, BTimedEventQueue::B_ALWAYS, true, BTimedEventQueue::B_HANDLE_BUFFER) != NULL)
EventQueue() -> RemoveEvent(EventQueue() -> FindFirstMatch(0, BTimedEventQueue::B_ALWAYS, true, BTimedEventQueue::B_HANDLE_BUFFER));
delete m_opConnectedEMMediaFormat;
//if(m_opBuffer != NULL)
// m_opBuffer -> Recycle();
return true;
}
status_t
ClientNode::_ScheduleOutputEvent(bigtime_t event)
{
media_timed_event nextBufferEvent(event, NEW_BUFFER_EVENT);
EventQueue()->AddEvent(nextBufferEvent);
}
void AudioFilterNode::SetParameterValue(
int32 id,
bigtime_t changeTime,
const void* value,
size_t size) {
// not running? set parameter now
if(RunState() != B_STARTED) {
ASSERT(m_parameterSet);
m_parameterSet->setValue(
id,
changeTime,
value,
size);
return;
}
// queue a parameter-change event
if(size > 64) { // +++++ hard-coded limitation in media_timed_event
DEBUGGER((
"!!! AudioFilterNode::SetParameterValue(): parameter data too large\n"));
}
media_timed_event ev(
changeTime,
BTimedEventQueue::B_PARAMETER,
0,
BTimedEventQueue::B_NO_CLEANUP,
size,
id,
(char*)value, size);
EventQueue()->AddEvent(ev);
}
void AbstractFileInterfaceNode::SetParameterValue(
int32 id,
bigtime_t when,
const void * value,
size_t size)
{
PRINT("AbstractFileInterfaceNode::SetParameterValue(id=%ld,when=%lld,size=%ld)\n",id,when,int32(size));
switch (id) {
case DEFAULT_CHUNK_SIZE_PARAM:
case DEFAULT_BIT_RATE_PARAM:
case DEFAULT_BUFFER_PERIOD_PARAM:
{
media_timed_event event(when, BTimedEventQueue::B_PARAMETER,
NULL, BTimedEventQueue::B_NO_CLEANUP,
size, id, (char*) value, size);
EventQueue()->AddEvent(event);
}
break;
default:
PRINT("AbstractFileInterfaceNode::SetParameterValue unknown id (%ld)\n",id);
break;
}
}
void FlangerNode::SetParameterValue(
int32 id,
bigtime_t changeTime,
const void* pValue,
size_t size) {
switch(id) {
case P_MIX_RATIO:
case P_SWEEP_RATE:
case P_DELAY:
case P_DEPTH:
case P_FEEDBACK: {
if(size < sizeof(float))
break;
// this is from ToneProducer. it's fishy.
// if(size > sizeof(float))
// size = sizeof(float);
media_timed_event ev(
changeTime,
BTimedEventQueue::B_PARAMETER,
0,
BTimedEventQueue::B_NO_CLEANUP,
size,
id,
(char*)pValue, size);
EventQueue()->AddEvent(ev);
break;
}
}
}
// -------------------------------------------------------- //
// implementation for BMediaEventLooper
// -------------------------------------------------------- //
// protected:
status_t MediaReader::HandleBuffer(
const media_timed_event *event,
bigtime_t lateness,
bool realTimeEvent)
{
CALLED();
if (output.destination == media_destination::null)
return B_MEDIA_NOT_CONNECTED;
status_t status = B_OK;
BBuffer * buffer = fBufferGroup->RequestBuffer(output.format.u.multistream.max_chunk_size,fBufferPeriod);
if (buffer != 0) {
status = FillFileBuffer(buffer);
if (status != B_OK) {
PRINT("MediaReader::HandleEvent got an error from FillFileBuffer.\n");
buffer->Recycle();
} else {
if (fOutputEnabled) {
status = SendBuffer(buffer,output.destination);
if (status != B_OK) {
PRINT("MediaReader::HandleEvent got an error from SendBuffer.\n");
buffer->Recycle();
}
} else {
buffer->Recycle();
}
}
}
bigtime_t nextEventTime = event->event_time+fBufferPeriod;
media_timed_event nextBufferEvent(nextEventTime, BTimedEventQueue::B_HANDLE_BUFFER);
EventQueue()->AddEvent(nextBufferEvent);
return status;
}
void
LoggingConsumer::SetParameterValue(int32 id, bigtime_t performance_time, const void* value, size_t size)
{
log_message logMsg;
logMsg.now = TimeSource()->Now();
logMsg.param.id = id;
mLogger->Log(LOG_SET_PARAM_VALUE, logMsg);
// if it's one of our parameters, enqueue a "set parameter" event for handling at the appropriate time
switch (id)
{
case LATENCY_PARAM:
case CPU_SPIN_PARAM:
case PRIORITY_PARAM:
{
// !!! Change from B_USER_EVENT to B_SET_PARAMETER once it's defined
media_timed_event event(performance_time, BTimedEventQueue::B_USER_EVENT,
(void*) value, BTimedEventQueue::B_NO_CLEANUP, size, id, NULL);
EventQueue()->AddEvent(event);
}
break;
default: // do nothing for other parameter IDs
break;
}
return;
}
void
VideoConsumer::HandleEvent(const media_timed_event* event, bigtime_t lateness,
bool realTimeEvent)
{
LOOP("VideoConsumer::HandleEvent\n");
switch (event->type) {
case BTimedEventQueue::B_START:
PROGRESS("VideoConsumer::HandleEvent - START\n");
_SetPerformanceTimeBase(event->event_time);
break;
case BTimedEventQueue::B_WARP:
case BTimedEventQueue::B_SEEK:
PROGRESS("VideoConsumer::HandleEvent - WARP or SEEK\n");
_SetPerformanceTimeBase(event->bigdata);
break;
case BTimedEventQueue::B_STOP:
PROGRESS("VideoConsumer::HandleEvent - STOP\n");
EventQueue()->FlushEvents(event->event_time, BTimedEventQueue::B_ALWAYS, true, BTimedEventQueue::B_HANDLE_BUFFER);
// unset the target's bitmap
_UnsetTargetBuffer();
break;
case BTimedEventQueue::B_HANDLE_BUFFER:
LOOP("VideoConsumer::HandleEvent - HANDLE BUFFER\n");
_HandleBuffer(static_cast<BBuffer*>(event->pointer));
break;
default:
ERROR("VideoConsumer::HandleEvent - BAD EVENT\n");
break;
}
}
void
AudioConsumer::BufferReceived(BBuffer* buffer)
{
media_timed_event event(buffer->Header()->start_time,
BTimedEventQueue::B_HANDLE_BUFFER, buffer,
BTimedEventQueue::B_RECYCLE_BUFFER);
EventQueue()->AddEvent(event);
}
void
ConsumerNode::BufferReceived(
BBuffer * buffer)
{
out("ConsumerNode::BufferReceived, sheduled time = %5.4f\n",buffer->Header()->start_time / 1E6);
media_timed_event event(buffer->Header()->start_time,BTimedEventQueue::B_HANDLE_BUFFER,
buffer, BTimedEventQueue::B_RECYCLE_BUFFER);
EventQueue()->AddEvent(event);
return;
}
status_t AbstractFileInterfaceNode::HandleStop(
const media_timed_event *event,
bigtime_t lateness,
bool realTimeEvent)
{
CALLED();
// flush the queue so downstreamers don't get any more
EventQueue()->FlushEvents(0, BTimedEventQueue::B_ALWAYS, true, BTimedEventQueue::B_HANDLE_BUFFER);
return B_OK;
}
status_t
SoundPlayNode::HandleStop(const media_timed_event* event, bigtime_t lateness,
bool realTimeEvent)
{
CALLED();
// flush the queue so downstreamers don't get any more
EventQueue()->FlushEvents(0, BTimedEventQueue::B_ALWAYS, true,
SEND_NEW_BUFFER_EVENT);
return B_OK;
}
status_t
ESDSinkNode::TimeSourceOp(const time_source_op_info &op, void *_reserved)
{
CALLED();
switch(op.op) {
case B_TIMESOURCE_START:
PRINT(("TimeSourceOp op B_TIMESOURCE_START\n"));
if (RunState() != BMediaEventLooper::B_STARTED) {
fTimeSourceStarted = true;
media_timed_event startEvent(0, BTimedEventQueue::B_START);
EventQueue()->AddEvent(startEvent);
}
break;
case B_TIMESOURCE_STOP:
PRINT(("TimeSourceOp op B_TIMESOURCE_STOP\n"));
if (RunState() == BMediaEventLooper::B_STARTED) {
media_timed_event stopEvent(0, BTimedEventQueue::B_STOP);
EventQueue()->AddEvent(stopEvent);
fTimeSourceStarted = false;
PublishTime(0, 0, 0);
}
break;
case B_TIMESOURCE_STOP_IMMEDIATELY:
PRINT(("TimeSourceOp op B_TIMESOURCE_STOP_IMMEDIATELY\n"));
if (RunState() == BMediaEventLooper::B_STARTED) {
media_timed_event stopEvent(0, BTimedEventQueue::B_STOP);
EventQueue()->AddEvent(stopEvent);
fTimeSourceStarted = false;
PublishTime(0, 0, 0);
}
break;
case B_TIMESOURCE_SEEK:
PRINT(("TimeSourceOp op B_TIMESOURCE_SEEK\n"));
BroadcastTimeWarp(op.real_time, op.performance_time);
break;
default:
break;
}
return B_OK;
}
/* virtual */ status_t
BMediaEventLooper::AddTimer(bigtime_t at_performance_time,
int32 cookie)
{
CALLED();
media_timed_event event(at_performance_time,
BTimedEventQueue::B_TIMER, NULL,
BTimedEventQueue::B_EXPIRE_TIMER);
event.data = cookie;
return EventQueue()->AddEvent(event);
}
void
ConsumerNode::ProducerDataStatus(
const media_destination & for_whom,
int32 status,
bigtime_t at_performance_time)
{
out("ConsumerNode::ProducerDataStatus\n");
if (for_whom == mInput.destination) {
media_timed_event event(at_performance_time,BTimedEventQueue::B_DATA_STATUS,
&mInput, BTimedEventQueue::B_NO_CLEANUP, status, 0, NULL);
EventQueue()->AddEvent(event);
}
}
void
EqualizerNode::SetParameterValue(int32 id, bigtime_t time, const void* value,
size_t size)
{
if (id == P_PREAMP || id == P_BYPASS || id == P_MUTE
|| (id >= P_BANDS && id < P_BANDS + fEqualizer.BandCount())) {
media_timed_event ev(time, BTimedEventQueue::B_PARAMETER, (void*)value,
BTimedEventQueue::B_NO_CLEANUP, size, id, (char*)"EQ");
//dirty hack for parameter processing (mediakit bug????)
ParameterEventProcessing(&ev);
EventQueue()->AddEvent(ev);
}
}
void
LoggingConsumer::ProducerDataStatus(const media_destination& for_whom, int32 status, bigtime_t at_performance_time)
{
log_message logMsg;
logMsg.now = TimeSource()->Now();
logMsg.data_status.status = status;
mLogger->Log(LOG_PRODUCER_DATA_STATUS, logMsg);
if (for_whom == mInput.destination)
{
media_timed_event event(at_performance_time, BTimedEventQueue::B_DATA_STATUS,
&mInput, BTimedEventQueue::B_NO_CLEANUP, status, 0, NULL);
EventQueue()->AddEvent(event);
}
}
void
VideoConsumer::BufferReceived(BBuffer* buffer)
{
LOOP("VideoConsumer::Buffer #%ld received\n", buffer->ID());
if (RunState() == B_STOPPED) {
buffer->Recycle();
return;
}
media_timed_event event(buffer->Header()->start_time,
BTimedEventQueue::B_HANDLE_BUFFER, buffer,
BTimedEventQueue::B_RECYCLE_BUFFER);
EventQueue()->AddEvent(event);
}
void ESDSinkNode::ProducerDataStatus(
const media_destination & for_whom,
int32 status,
bigtime_t at_performance_time)
{
CALLED();
if(fInput.destination != for_whom) {
fprintf(stderr,"invalid destination received in ESDSinkNode::ProducerDataStatus\n");
return;
}
media_timed_event event(at_performance_time, BTimedEventQueue::B_DATA_STATUS,
&fInput, BTimedEventQueue::B_NO_CLEANUP, status, 0, NULL);
EventQueue()->AddEvent(event);
}
void
VideoRecorderNode::BufferReceived(BBuffer* inBuffer)
{
INFO("VideoRecorderNode::BufferReceived():\n");
if( RunMode() == B_OFFLINE ) {
// int32 destinationID = inBuffer->Header()->destination;
SetOfflineTime( inBuffer->Header()->start_time );
}
status_t err;
media_timed_event event(inBuffer->Header()->start_time,
BTimedEventQueue::B_HANDLE_BUFFER,
inBuffer, BTimedEventQueue::B_RECYCLE_BUFFER );
err = EventQueue()->AddEvent( event );
if( err ) inBuffer->Recycle();
}
void
VideoNode::BufferReceived(BBuffer * buffer)
{
if (RunState() != B_STARTED) {
buffer->Recycle();
return;
}
if (fOverlayActive && fDirectOverlayBuffer) {
HandleBuffer(buffer);
} else {
media_timed_event event(buffer->Header()->start_time,
BTimedEventQueue::B_HANDLE_BUFFER,
buffer,
BTimedEventQueue::B_RECYCLE_BUFFER);
EventQueue()->AddEvent(event);
}
}
// protected:
status_t AbstractFileInterfaceNode::HandleStart(
const media_timed_event *event,
bigtime_t lateness,
bool realTimeEvent)
{
CALLED();
if (RunState() != B_STARTED) {
// XXX: Either use the following line or the lines that are not commented.
// There doesn't seem to be a practical difference that i can tell.
// HandleBuffer(event,lateness,realTimeEvent);
media_timed_event firstBufferEvent(event->event_time, BTimedEventQueue::B_HANDLE_BUFFER);
HandleEvent(&firstBufferEvent, 0, false);
EventQueue()->AddEvent(firstBufferEvent);
}
return B_OK;
}
void
LegacyAudioConsumer::BufferReceived( BBuffer *buffer )
{
if ( ! mRunning ) {
buffer->Recycle();
} else {
media_timed_event event( buffer->Header()->start_time,
BTimedEventQueue::B_HANDLE_BUFFER,
buffer,
BTimedEventQueue::B_RECYCLE_BUFFER );
EventQueue()->AddEvent( event );
}
}
void
VideoNode::HandleEvent(const media_timed_event *event,
bigtime_t lateness,
bool realTimeEvent)
{
switch (event->type) {
case BTimedEventQueue::B_START:
break;
case BTimedEventQueue::B_STOP:
EventQueue()->FlushEvents(event->event_time, BTimedEventQueue::B_ALWAYS, true, BTimedEventQueue::B_HANDLE_BUFFER);
break;
case BTimedEventQueue::B_HANDLE_BUFFER:
HandleBuffer((BBuffer *)event->pointer);
break;
default:
printf("VideoNode::HandleEvent unknown event");
break;
}
}
void ESDSinkNode::BufferReceived(
BBuffer * buffer)
{
CALLED();
switch (buffer->Header()->type) {
/*case B_MEDIA_PARAMETERS:
{
status_t status = ApplyParameterData(buffer->Data(),buffer->SizeUsed());
if (status != B_OK) {
fprintf(stderr,"ApplyParameterData in ESDSinkNode::BufferReceived failed\n");
}
buffer->Recycle();
}
break;*/
case B_MEDIA_RAW_AUDIO:
#if 0
if (buffer->Flags() & BBuffer::B_SMALL_BUFFER) {
fprintf(stderr,"NOT IMPLEMENTED: B_SMALL_BUFFER in ESDSinkNode::BufferReceived\n");
// XXX: implement this part
buffer->Recycle();
} else {
media_timed_event event(buffer->Header()->start_time, BTimedEventQueue::B_HANDLE_BUFFER,
buffer, BTimedEventQueue::B_RECYCLE_BUFFER);
status_t status = EventQueue()->AddEvent(event);
if (status != B_OK) {
fprintf(stderr,"EventQueue()->AddEvent(event) in ESDSinkNode::BufferReceived failed\n");
buffer->Recycle();
}
}
#endif
if (fDevice->CanSend()) {
fDevice->Write(buffer->Data(), buffer->SizeUsed());
}
buffer->Recycle();
break;
default:
fprintf(stderr,"unexpected buffer type in ESDSinkNode::BufferReceived\n");
buffer->Recycle();
break;
}
}
void
VideoRecorderNode::HandleEvent(const media_timed_event *event,
bigtime_t lateness, bool realTimeEvent)
{
INFO("MediaSplitter::HandleEvent()\n");
switch( event->type )
{
case BTimedEventQueue::B_HANDLE_BUFFER:
{
BBuffer *buffer = const_cast<BBuffer*>((BBuffer*)event->pointer);
if( buffer )
{
HandleBufferWrap( buffer, lateness );
}
}
break;
case BTimedEventQueue::B_START:
running = true;
break;
case BTimedEventQueue::B_STOP:
running = false;
EventQueue()->FlushEvents( 0, BTimedEventQueue::B_ALWAYS, true, BTimedEventQueue::B_HANDLE_BUFFER );
break;
case BTimedEventQueue::B_DATA_STATUS:
{
media_destination *dest = (media_destination*)event->pointer;
if( filterInput.destination== *dest) ;
//**data available or not use ist later
}
break;
default:
ERROR("Unhandled Event in FMediaNode (%i)\n", (int)event->type );
break;
}
}
void
LoggingConsumer::BufferReceived(BBuffer* buffer)
{
bigtime_t bufferStart = buffer->Header()->start_time;
bigtime_t now = TimeSource()->Now();
bigtime_t how_early = bufferStart - EventLatency() - SchedulingLatency() - now;
log_message logMsg;
logMsg.now = now;
logMsg.buffer_data.start_time = bufferStart;
logMsg.buffer_data.offset = how_early;
mLogger->Log(LOG_BUFFER_RECEIVED, logMsg);
// There's a special case here with handling B_MEDIA_PARAMETERS buffers.
// These contain sets of parameter value changes, with their own performance
// times embedded in the buffers. So, we want to dispatch those parameter
// changes as their own events rather than pushing this buffer on the queue to
// be handled later.
if (B_MEDIA_PARAMETERS == buffer->Header()->type)
{
ApplyParameterData(buffer->Data(), buffer->SizeUsed());
buffer->Recycle();
}
else // ahh, it's a regular media buffer, so push it on the event queue
{
status_t err;
media_timed_event event(buffer->Header()->start_time, BTimedEventQueue::B_HANDLE_BUFFER,
buffer, BTimedEventQueue::B_RECYCLE_BUFFER);
err = EventQueue()->AddEvent(event);
// HandleEvent() will recycle the buffer. However, if we incurred an error trying to
// put the event into the queue, we have to recycle it ourselves, since HandleEvent()
// will never see the buffer in that case.
if (err) buffer->Recycle();
}
}
status_t
SoundPlayNode::HandleStart(const media_timed_event* event, bigtime_t lateness,
bool realTimeEvent)
{
CALLED();
// don't do anything if we're already running
if (RunState() != B_STARTED) {
// We want to start sending buffers now, so we set up the buffer-sending
// bookkeeping and fire off the first "produce a buffer" event.
fFramesSent = 0;
fStartTime = event->event_time;
media_timed_event firstBufferEvent(event->event_time,
SEND_NEW_BUFFER_EVENT);
// Alternatively, we could call HandleEvent() directly with this event,
// to avoid a trip through the event queue, like this:
//
// this->HandleEvent(&firstBufferEvent, 0, false);
//
EventQueue()->AddEvent(firstBufferEvent);
}
return B_OK;
}
void
ToneProducer::SetParameterValue(int32 id, bigtime_t performance_time, const void* value, size_t size)
{
switch (id)
{
case FREQUENCY_PARAM:
case GAIN_PARAM:
case WAVEFORM_PARAM:
{
// floats and int32s are the same size, so we need only check the block's size once
if (size > sizeof(float)) size = sizeof(float);
// submit the parameter change as a performance event, to be handled at the
// appropriate time
media_timed_event event(performance_time, _PARAMETER_EVENT,
NULL, BTimedEventQueue::B_NO_CLEANUP, size, id, (char*) value, size);
EventQueue()->AddEvent(event);
}
break;
default:
break;
}
}