void MidiPort::processInEvent( const MidiEvent& event, const MidiTime& time )
{
// mask event
if( isInputEnabled() &&
( inputChannel() == 0 || inputChannel()-1 == event.channel() ) )
{
MidiEvent inEvent = event;
if( event.type() == MidiNoteOn ||
event.type() == MidiNoteOff ||
event.type() == MidiKeyPressure )
{
if( inEvent.key() < 0 || inEvent.key() >= NumKeys )
{
return;
}
}
if( fixedInputVelocity() >= 0 && inEvent.velocity() > 0 )
{
inEvent.setVelocity( fixedInputVelocity() );
}
m_midiEventProcessor->processInEvent( inEvent, time );
}
}
void InstrumentTrack::processOutEvent( const MidiEvent& event, const MidiTime& time, f_cnt_t offset )
{
// do nothing if we do not have an instrument instance (e.g. when loading settings)
if( m_instrument == NULL )
{
return;
}
const MidiEvent transposedEvent = applyMasterKey( event );
const int key = transposedEvent.key();
switch( event.type() )
{
case MidiNoteOn:
m_midiNotesMutex.lock();
m_piano.setKeyState( event.key(), true ); // event.key() = original key
if( key >= 0 && key < NumKeys )
{
if( m_runningMidiNotes[key] > 0 )
{
m_instrument->handleMidiEvent( MidiEvent( MidiNoteOff, midiPort()->realOutputChannel(), key, 0 ), time, offset );
}
++m_runningMidiNotes[key];
m_instrument->handleMidiEvent( MidiEvent( MidiNoteOn, midiPort()->realOutputChannel(), key, event.velocity() ), time, offset );
}
m_midiNotesMutex.unlock();
emit newNote();
break;
case MidiNoteOff:
m_midiNotesMutex.lock();
m_piano.setKeyState( event.key(), false ); // event.key() = original key
if( key >= 0 && key < NumKeys && --m_runningMidiNotes[key] <= 0 )
{
m_instrument->handleMidiEvent( MidiEvent( MidiNoteOff, midiPort()->realOutputChannel(), key, 0 ), time, offset );
}
m_midiNotesMutex.unlock();
break;
default:
m_instrument->handleMidiEvent( transposedEvent, time, offset );
break;
}
// if appropriate, midi-port does futher routing
m_midiPort.processOutEvent( event, time );
}
void LocalZynAddSubFx::processMidiEvent( const MidiEvent& event )
{
// all functions are called while m_master->mutex is held
static NULLMidiIn midiIn;
switch( event.type() )
{
case MidiNoteOn:
if( event.velocity() > 0 )
{
if( event.key() <= 0 || event.key() >= 128 )
{
break;
}
if( m_runningNotes[event.key()] > 0 )
{
m_master->NoteOff( event.channel(), event.key() );
}
++m_runningNotes[event.key()];
m_master->NoteOn( event.channel(), event.key(), event.velocity() );
break;
}
case MidiNoteOff:
if( event.key() <= 0 || event.key() >= 128 )
{
break;
}
if( --m_runningNotes[event.key()] <= 0 )
{
m_master->NoteOff( event.channel(), event.key() );
}
break;
case MidiPitchBend:
m_master->SetController( event.channel(), C_pitchwheel, event.pitchBend()-8192 );
break;
case MidiControlChange:
m_master->SetController( event.channel(), midiIn.getcontroller( event.controllerNumber() ), event.controllerValue() );
break;
default:
break;
}
}
void LocalZynAddSubFx::processMidiEvent( const MidiEvent& event )
{
switch( event.type() )
{
case MidiNoteOn:
if( event.velocity() > 0 )
{
if( event.key() < 0 || event.key() > MidiMaxKey )
{
break;
}
if( m_runningNotes[event.key()] > 0 )
{
m_master->noteOff( event.channel(), event.key() );
}
++m_runningNotes[event.key()];
m_master->noteOn( event.channel(), event.key(), event.velocity() );
break;
}
case MidiNoteOff:
if( event.key() < 0 || event.key() > MidiMaxKey )
{
break;
}
if( --m_runningNotes[event.key()] <= 0 )
{
m_master->noteOff( event.channel(), event.key() );
}
break;
case MidiPitchBend:
m_master->setController( event.channel(), C_pitchwheel, event.pitchBend()-8192 );
break;
case MidiControlChange:
m_master->setController( event.channel(), event.controllerNumber(), event.controllerValue() );
break;
default:
break;
}
}
MidiEvent InstrumentTrack::applyMasterKey( const MidiEvent& event )
{
MidiEvent copy( event );
switch( event.type() )
{
case MidiNoteOn:
case MidiNoteOff:
case MidiKeyPressure:
copy.setKey( masterKey( event.key() ) );
break;
default:
break;
}
return copy;
}
void InstrumentTrack::processInEvent( const MidiEvent& event, const MidiTime& time, f_cnt_t offset )
{
bool eventHandled = false;
switch( event.type() )
{
// we don't send MidiNoteOn, MidiNoteOff and MidiKeyPressure
// events to instrument as NotePlayHandle will send them on its
// own
case MidiNoteOn:
if( event.velocity() > 0 )
{
NotePlayHandle* nph;
m_notesMutex.lock();
if( m_notes[event.key()] == NULL )
{
nph = NotePlayHandleManager::acquire( this, offset,
typeInfo<f_cnt_t>::max() / 2,
Note( MidiTime(), MidiTime(), event.key(), event.volume( midiPort()->baseVelocity() ) ),
NULL, event.channel(),
NotePlayHandle::OriginMidiInput );
m_notes[event.key()] = nph;
if( ! Engine::mixer()->addPlayHandle( nph ) )
{
m_notes[event.key()] = NULL;
}
}
m_notesMutex.unlock();
eventHandled = true;
break;
}
case MidiNoteOff:
m_notesMutex.lock();
if( m_notes[event.key()] != NULL )
{
// do actual note off and remove internal reference to NotePlayHandle (which itself will
// be deleted later automatically)
m_notes[event.key()]->noteOff( offset );
m_notes[event.key()] = NULL;
}
m_notesMutex.unlock();
eventHandled = true;
break;
case MidiKeyPressure:
if( m_notes[event.key()] != NULL )
{
// setVolume() calls processOutEvent() with MidiKeyPressure so the
// attached instrument will receive the event as well
m_notes[event.key()]->setVolume( event.volume( midiPort()->baseVelocity() ) );
}
eventHandled = true;
break;
case MidiPitchBend:
// updatePitch() is connected to m_pitchModel::dataChanged() which will send out
// MidiPitchBend events
m_pitchModel.setValue( m_pitchModel.minValue() + event.pitchBend() * m_pitchModel.range() / MidiMaxPitchBend );
break;
case MidiControlChange:
if( event.controllerNumber() == MidiControllerSustain )
{
if( event.controllerValue() > MidiMaxControllerValue/2 )
{
m_sustainPedalPressed = true;
}
else
{
m_sustainPedalPressed = false;
}
}
if( event.controllerNumber() == MidiControllerAllSoundOff ||
event.controllerNumber() == MidiControllerAllNotesOff ||
event.controllerNumber() == MidiControllerOmniOn ||
event.controllerNumber() == MidiControllerOmniOff ||
event.controllerNumber() == MidiControllerMonoOn ||
event.controllerNumber() == MidiControllerPolyOn )
{
silenceAllNotes();
}
break;
case MidiMetaEvent:
// handle special cases such as note panning
switch( event.metaEvent() )
{
case MidiNotePanning:
if( m_notes[event.key()] != NULL )
{
eventHandled = true;
m_notes[event.key()]->setPanning( event.panning() );
}
break;
default:
qWarning( "InstrumentTrack: unhandled MIDI meta event: %i", event.metaEvent() );
break;
}
break;
default:
break;
}
if( eventHandled == false && instrument()->handleMidiEvent( event, time, offset ) == false )
{
qWarning( "InstrumentTrack: unhandled MIDI event %d", event.type() );
}
}
void MidiAlsaSeq::processOutEvent( const MidiEvent& event, const MidiTime& time, const MidiPort* port )
{
// HACK!!! - need a better solution which isn't that easy since we
// cannot store const-ptrs in our map because we need to call non-const
// methods of MIDI-port - it's a mess...
MidiPort* p = const_cast<MidiPort *>( port );
snd_seq_event_t ev;
snd_seq_ev_clear( &ev );
snd_seq_ev_set_source( &ev, ( m_portIDs[p][1] != -1 ) ?
m_portIDs[p][1] : m_portIDs[p][0] );
snd_seq_ev_set_subs( &ev );
snd_seq_ev_schedule_tick( &ev, m_queueID, 1, static_cast<int>( time ) );
ev.queue = m_queueID;
switch( event.type() )
{
case MidiNoteOn:
snd_seq_ev_set_noteon( &ev,
event.channel(),
event.key() + KeysPerOctave,
event.velocity() );
break;
case MidiNoteOff:
snd_seq_ev_set_noteoff( &ev,
event.channel(),
event.key() + KeysPerOctave,
event.velocity() );
break;
case MidiKeyPressure:
snd_seq_ev_set_keypress( &ev,
event.channel(),
event.key() + KeysPerOctave,
event.velocity() );
break;
case MidiControlChange:
snd_seq_ev_set_controller( &ev,
event.channel(),
event.controllerNumber(),
event.controllerValue() );
break;
case MidiProgramChange:
snd_seq_ev_set_pgmchange( &ev,
event.channel(),
event.program() );
break;
case MidiChannelPressure:
snd_seq_ev_set_chanpress( &ev,
event.channel(),
event.channelPressure() );
break;
case MidiPitchBend:
snd_seq_ev_set_pitchbend( &ev,
event.channel(),
event.param( 0 ) - 8192 );
break;
default:
qWarning( "MidiAlsaSeq: unhandled output event %d\n", (int) event.type() );
return;
}
m_seqMutex.lock();
snd_seq_event_output( m_seqHandle, &ev );
snd_seq_drain_output( m_seqHandle );
m_seqMutex.unlock();
}
bool CarlaInstrument::handleMidiEvent(const MidiEvent& event, const MidiTime&, f_cnt_t offset)
{
const QMutexLocker ml(&fMutex);
if (fMidiEventCount >= kMaxMidiEvents)
return false;
NativeMidiEvent& nEvent(fMidiEvents[fMidiEventCount++]);
std::memset(&nEvent, 0, sizeof(NativeMidiEvent));
nEvent.port = 0;
nEvent.time = offset;
nEvent.data[0] = event.type() | (event.channel() & 0x0F);
switch (event.type())
{
case MidiNoteOn:
if (event.velocity() > 0)
{
if (event.key() < 0 || event.key() > MidiMaxKey)
break;
nEvent.data[1] = event.key();
nEvent.data[2] = event.velocity();
nEvent.size = 3;
break;
}
else
{
nEvent.data[0] = MidiNoteOff | (event.channel() & 0x0F);
// nobreak
}
case MidiNoteOff:
if (event.key() < 0 || event.key() > MidiMaxKey)
break;
nEvent.data[1] = event.key();
nEvent.data[2] = event.velocity();
nEvent.size = 3;
break;
case MidiKeyPressure:
nEvent.data[1] = event.key();
nEvent.data[2] = event.velocity();
nEvent.size = 3;
break;
case MidiControlChange:
nEvent.data[1] = event.controllerNumber();
nEvent.data[2] = event.controllerValue();
nEvent.size = 3;
break;
case MidiProgramChange:
nEvent.data[1] = event.program();
nEvent.size = 2;
break;
case MidiChannelPressure:
nEvent.data[1] = event.channelPressure();
nEvent.size = 2;
break;
case MidiPitchBend:
nEvent.data[1] = event.pitchBend() & 0x7f;
nEvent.data[2] = event.pitchBend() >> 7;
nEvent.size = 3;
break;
default:
// unhandled
--fMidiEventCount;
break;
}
return true;
}