/[svn]/linuxsampler/trunk/src/engines/common/Event.h
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revision 2879 by schoenebeck, Tue Apr 19 14:07:53 2016 UTC revision 2938 by schoenebeck, Mon Jul 11 17:10:40 2016 UTC
# Line 134  namespace LinuxSampler { Line 134  namespace LinuxSampler {
134          public:          public:
135              Event(){}              Event(){}
136              enum type_t {              enum type_t {
137                  type_note_on,                  type_note_on, ///< (real) MIDI note-on event
138                  type_note_off,                  type_note_off, ///< (real) MIDI note-off event
139                  type_pitchbend,                  type_pitchbend, ///< MIDI pitch bend wheel change event
140                  type_control_change,                  type_control_change, ///< MIDI CC event
141                  type_sysex,           ///< MIDI system exclusive message                  type_sysex,           ///< MIDI system exclusive message
142                  type_cancel_release,  ///< transformed either from a note-on or sustain-pedal-down event                  type_cancel_release_key, ///< transformed either from a (real) MIDI note-on or sustain-pedal-down event
143                  type_release,         ///< transformed either from a note-off or sustain-pedal-up event                  type_release_key,     ///< transformed either from a (real) MIDI note-off or sustain-pedal-up event
144                    type_release_note,    ///< transformed from a type_stop_note event
145                  type_channel_pressure, ///< a.k.a. aftertouch                  type_channel_pressure, ///< a.k.a. aftertouch
146                  type_note_pressure, ///< polyphonic key pressure (aftertouch)                  type_note_pressure, ///< polyphonic key pressure (aftertouch)
147                    type_play_note, ///< caused by a call to built-in instrument script function play_note()
148                    type_stop_note, ///< caused by a call to built-in instrument script function note_off()
149                    type_note_synth_param, ///< change a note's synthesis parameters (upon real-time instrument script function calls, i.e. change_vol(), change_tune(), change_pan(), etc.)
150              } Type;              } Type;
151                enum synth_param_t {
152                    synth_param_volume,
153                    synth_param_pitch,
154                    synth_param_pan,
155                    synth_param_cutoff,
156                    synth_param_resonance,
157                };
158              union {              union {
159                  /// Note-on and note-off event specifics                  /// Note-on and note-off event specifics
160                  struct _Note {                  struct _Note {
# Line 152  namespace LinuxSampler { Line 163  namespace LinuxSampler {
163                      uint8_t Velocity;    ///< Trigger or release velocity of note-on / note-off event.                      uint8_t Velocity;    ///< Trigger or release velocity of note-on / note-off event.
164                      int8_t  Layer;       ///< Layer index (usually only used if a note-on event has to be postponed, e.g. due to shortage of free voices).                      int8_t  Layer;       ///< Layer index (usually only used if a note-on event has to be postponed, e.g. due to shortage of free voices).
165                      int8_t  ReleaseTrigger; ///< If new voice should be a release triggered voice (actually boolean field and usually only used if a note-on event has to be postponed, e.g. due to shortage of free voices).                      int8_t  ReleaseTrigger; ///< If new voice should be a release triggered voice (actually boolean field and usually only used if a note-on event has to be postponed, e.g. due to shortage of free voices).
166                      note_id_t ID;        ///< Unique numeric ID of the @c Note object associated with this note (on) event.                      note_id_t ID;        ///< Unique numeric ID of the @c Note object associated with this note event.
167                      note_id_t ParentNoteID; ///< If not zero: Unique numeric ID of the parent @c Note object that shall become parent of resulting new Note object of this Event. So this is used to associate a new note with a previous note, i.e. to release the new note once the parent note was released.                      note_id_t ParentNoteID; ///< If not zero: Unique numeric ID of the parent @c Note object that shall become parent of resulting new Note object of this Event. So this is used to associate a new note with a previous note, i.e. to release the new note once the parent note was released.
168                      void*   pRegion;     ///< Engine specific pointer to instrument region                      void*   pRegion;     ///< Engine specific pointer to instrument region
169                  } Note;                  } Note;
# Line 183  namespace LinuxSampler { Line 194  namespace LinuxSampler {
194                      uint8_t Key;     ///< MIDI note number where key pressure (polyphonic aftertouch) changed.                      uint8_t Key;     ///< MIDI note number where key pressure (polyphonic aftertouch) changed.
195                      uint8_t Value;   ///< New pressure value for note.                      uint8_t Value;   ///< New pressure value for note.
196                  } NotePressure;                  } NotePressure;
197                    ///< Note synthesis parameter change event's specifics (used for real-time instrument script built-in functions which may alter synthesis parameters on note level).
198                    struct _NoteSynthParam {
199                        note_id_t     NoteID;   ///< ID of Note whose voices shall be modified.
200                        synth_param_t Type;     ///< Synthesis parameter which is to be changed.
201                        float         Delta;    ///< The value change that should be applied against the note's current synthesis parameter value.
202                        bool          Relative; ///< Whether @c Delta should be applied relatively against the note's current synthesis parameter value (false means the paramter's current value is simply replaced by Delta).
203                        float         AbsValue; ///< New current absolute value of synthesis parameter (that is after @c Delta being applied).
204                    } NoteSynthParam;
205              } Param;              } Param;
206              EngineChannel* pEngineChannel; ///< Pointer to the EngineChannel where this event occured on, NULL means Engine global event (e.g. SysEx message).              EngineChannel* pEngineChannel; ///< Pointer to the EngineChannel where this event occured on, NULL means Engine global event (e.g. SysEx message).
207              MidiInputPort* pMidiInputPort; ///< Pointer to the MIDI input port on which this event occured (NOTE: currently only for global events, that is SysEx messages)              MidiInputPort* pMidiInputPort; ///< Pointer to the MIDI input port on which this event occured (NOTE: currently only for global events, that is SysEx messages)
# Line 190  namespace LinuxSampler { Line 209  namespace LinuxSampler {
209              inline void Init() {              inline void Init() {
210                  Param.Note.ID = 0;                  Param.Note.ID = 0;
211                  Param.Note.ParentNoteID = 0;                  Param.Note.ParentNoteID = 0;
212                    Param.NoteSynthParam.NoteID = 0;
213              }              }
214              inline int32_t FragmentPos() {              inline int32_t FragmentPos() {
215                  if (iFragmentPos >= 0) return iFragmentPos;                  if (iFragmentPos >= 0) return iFragmentPos;
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