/[svn]/linuxsampler/trunk/src/engines/EngineChannelBase.h
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Diff of /linuxsampler/trunk/src/engines/EngineChannelBase.h

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revision 2883 by schoenebeck, Tue Apr 19 14:07:53 2016 UTC revision 2884 by schoenebeck, Wed Apr 20 15:22:58 2016 UTC
# Line 60  namespace LinuxSampler { Line 60  namespace LinuxSampler {
60      template <class V /* Voice */, class R /* Region */, class I /* Instrument */>      template <class V /* Voice */, class R /* Region */, class I /* Instrument */>
61      class EngineChannelBase: public AbstractEngineChannel, public MidiKeyboardManager<V>, public ResourceConsumer<I> {      class EngineChannelBase: public AbstractEngineChannel, public MidiKeyboardManager<V>, public ResourceConsumer<I> {
62          public:          public:
63                typedef typename RTList< Note<V> >::Iterator NoteIterator;
64              typedef typename RTList<R*>::Iterator RTListRegionIterator;              typedef typename RTList<R*>::Iterator RTListRegionIterator;
65              typedef typename MidiKeyboardManager<V>::MidiKey MidiKey;              typedef typename MidiKeyboardManager<V>::MidiKey MidiKey;
66    
# Line 333  namespace LinuxSampler { Line 334  namespace LinuxSampler {
334                  return noteID;                  return noteID;
335              }              }
336    
337                /**
338                 * Called by real-time instrument script functions to ignore the note
339                 * reflected by given note ID. The note's event will be freed immediately
340                 * to its event pool and this will prevent voices to be launched for the
341                 * note.
342                 *
343                 * NOTE: preventing a note by calling this method works only if the note
344                 * was launched within the current audio fragment cycle.
345                 *
346                 * @param id - unique ID of note to be dropped
347                 */
348                void IgnoreNote(note_id_t id) OVERRIDE {
349                    Pool< Note<V> >* pNotePool =
350                        dynamic_cast<NotePool<V>*>(pEngine)->GetNotePool();
351    
352                    NoteIterator itNote = pNotePool->fromID(id);
353                    if (!itNote) return; // note probably already released
354    
355                    // if the note already got active voices, then it is too late to drop it
356                    if (!itNote->pActiveVoices->isEmpty()) return;
357    
358                    // if the original (note-on) event is not available anymore, then it is too late to drop it
359                    RTList<Event>::Iterator itEvent = pEvents->fromID(itNote->eventID);
360                    if (!itEvent) return;
361    
362                    // drop the note
363                    pNotePool->free(itNote);
364    
365                    // drop the original event
366                    pEvents->free(itEvent);
367                }
368    
369              RTList<R*>* pRegionsInUse;     ///< temporary pointer into the instrument change command, used by the audio thread              RTList<R*>* pRegionsInUse;     ///< temporary pointer into the instrument change command, used by the audio thread
370              I* pInstrument;              I* pInstrument;
371    
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