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

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revision 3687 by schoenebeck, Thu Jan 2 22:02:53 2020 UTC revision 3688 by schoenebeck, Thu Jan 2 23:47:42 2020 UTC
# Line 167  namespace LinuxSampler { Line 167  namespace LinuxSampler {
167                  type_note_off, ///< (real) MIDI note-off event                  type_note_off, ///< (real) MIDI note-off event
168                  type_pitchbend, ///< MIDI pitch bend wheel change event                  type_pitchbend, ///< MIDI pitch bend wheel change event
169                  type_control_change, ///< MIDI CC event                  type_control_change, ///< MIDI CC event
170                    type_rpn, ///< Transformed from a raw RPN CC MIDI event.
171                    type_nrpn, ///< Transformed from a raw NRPN CC MIDI event.
172                  type_sysex,           ///< MIDI system exclusive message                  type_sysex,           ///< MIDI system exclusive message
173                  type_cancel_release_key, ///< transformed either from a (real) MIDI note-on or sustain-pedal-down event                  type_cancel_release_key, ///< transformed either from a (real) MIDI note-on or sustain-pedal-down event
174                  type_release_key,     ///< transformed either from a (real) MIDI note-off or sustain-pedal-up event                  type_release_key,     ///< transformed either from a (real) MIDI note-off or sustain-pedal-up event
# Line 258  namespace LinuxSampler { Line 260  namespace LinuxSampler {
260                      uint8_t Controller;  ///< MIDI controller number of control change event.                      uint8_t Controller;  ///< MIDI controller number of control change event.
261                      uint8_t Value;       ///< Controller Value of control change event.                      uint8_t Value;       ///< Controller Value of control change event.
262                  } CC;                  } CC;
263                    /// Used for both RPN & NRPN events
264                    struct _RPN {
265                        uint8_t Channel;     ///< MIDI channel (0..15)
266                        uint16_t Parameter;  ///< Merged 14 bit representation of parameter number (that is MSB and LSB combined).
267                        uint16_t Value;      ///< Merged 14 bit representation of new (N)RPN value (that is MSB and LSB combined).
268                        uint8_t ParameterMSB() const { return Parameter >> 7; }
269                        uint8_t ParameterLSB() const { return Parameter & 127; }
270                        uint8_t ValueMSB() const { return Value >> 7; }
271                        uint8_t ValueLSB() const { return Value & 127; }
272                    } RPN, NRPN;
273                  /// Pitchbend event specifics                  /// Pitchbend event specifics
274                  struct _Pitch {                  struct _Pitch {
275                      uint8_t Channel;     ///< MIDI channel (0..15)                      uint8_t Channel;     ///< MIDI channel (0..15)
# Line 334  namespace LinuxSampler { Line 346  namespace LinuxSampler {
346              int32_t         iFragmentPos;    ///< Position in the current fragment this event refers to.              int32_t         iFragmentPos;    ///< Position in the current fragment this event refers to.
347      };      };
348    
349        inline Pool<Event>::Iterator prevEventOf(const Pool<Event>::Iterator& itEvent) {
350            if (!itEvent) return Pool<Event>::Iterator();
351            Pool<Event>::Iterator itPrev = itEvent;
352            return --itPrev;
353        }
354    
355        inline Pool<Event>::Iterator nextEventOf(const Pool<Event>::Iterator& itEvent) {
356            if (!itEvent) return Pool<Event>::Iterator();
357            Pool<Event>::Iterator itNext = itEvent;
358            return ++itNext;
359        }
360    
361        inline bool isPrevEventCCNr(const Pool<Event>::Iterator& itEvent, uint8_t CCNr) {
362            Pool<Event>::Iterator itPrev = prevEventOf(itEvent);
363            if (!itPrev) return false;
364            return itPrev->Type == Event::type_control_change &&
365                   itPrev->Param.CC.Controller == CCNr;
366        }
367    
368        inline bool isNextEventCCNr(const Pool<Event>::Iterator& itEvent, uint8_t CCNr) {
369            Pool<Event>::Iterator itNext = nextEventOf(itEvent);
370            if (!itNext) return false;
371            return itNext->Type == Event::type_control_change &&
372                   itNext->Param.CC.Controller == CCNr;
373        }
374    
375      /**      /**
376       * Used to sort timing relevant objects (i.e. events) into timing/scheduler       * Used to sort timing relevant objects (i.e. events) into timing/scheduler
377       * queue. This class is just intended as base class and should be derived       * queue. This class is just intended as base class and should be derived
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