/[svn]/linuxsampler/trunk/src/engines/common/Note.h
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revision 3187 by schoenebeck, Fri Apr 21 13:33:03 2017 UTC revision 3188 by schoenebeck, Fri May 19 14:23:12 2017 UTC
# Line 13  Line 13 
13  #include "../../common/Pool.h"  #include "../../common/Pool.h"
14  #include "Event.h"  #include "Event.h"
15    
16    #define DEFAULT_NOTE_VOLUME_TIME_S  0.013 /* 13ms */
17    #define DEFAULT_NOTE_PITCH_TIME_S   0.013 /* 13ms */
18    
19  namespace LinuxSampler {  namespace LinuxSampler {
20    
21      /**      /**
# Line 32  namespace LinuxSampler { Line 35  namespace LinuxSampler {
35          /// Optional synthesis parameters that might be overridden (by calling real-time instrument script functions like change_vol(), change_pitch(), etc.).          /// Optional synthesis parameters that might be overridden (by calling real-time instrument script functions like change_vol(), change_pitch(), etc.).
36          struct  _Override {          struct  _Override {
37              float Volume;       ///< as linear amplification ratio (1.0 being neutral)              float Volume;       ///< as linear amplification ratio (1.0 being neutral)
38                float VolumeTime;   ///< Transition duration (in seconds) for changes to @c Volume.
39              float Pitch;        ///< as linear frequency ratio (1.0 being neutral)              float Pitch;        ///< as linear frequency ratio (1.0 being neutral)
40                float PitchTime;    ///< Transition duration (in seconds) for changes to @c Pitch.
41              float Pan;          ///< between -1.0 (most left) and +1.0 (most right) and 0.0 being neutral.              float Pan;          ///< between -1.0 (most left) and +1.0 (most right) and 0.0 being neutral.
42              int64_t PanSources; ///< Might be used for calculating an average pan value in differential way: amount of times the Pan value had been changed and shall be calculated relatively upon.              int64_t PanSources; ///< Might be used for calculating an average pan value in differential way: amount of times the Pan value had been changed and shall be calculated relatively upon.
43              float Cutoff;       ///< between 0.0 and 1.0              float Cutoff;       ///< between 0.0 and 1.0
# Line 56  namespace LinuxSampler { Line 61  namespace LinuxSampler {
61      protected:      protected:
62          NoteBase() : hostKey(0), parentNoteID(0), pChildNotes(NULL) {          NoteBase() : hostKey(0), parentNoteID(0), pChildNotes(NULL) {
63              Override.Volume     = 1.f;              Override.Volume     = 1.f;
64                Override.VolumeTime = DEFAULT_NOTE_VOLUME_TIME_S;
65              Override.Pitch      = 1.f;              Override.Pitch      = 1.f;
66                Override.PitchTime  = DEFAULT_NOTE_PITCH_TIME_S;
67              Override.Pan        = 0.f;              Override.Pan        = 0.f;
68              Override.PanSources = 0;              Override.PanSources = 0;
69              Override.Cutoff     = 1.f;              Override.Cutoff     = 1.f;
# Line 75  namespace LinuxSampler { Line 82  namespace LinuxSampler {
82    
83      /**      /**
84       * Contains the voices caused by one specific note, as well as basic       * Contains the voices caused by one specific note, as well as basic
85       * informations about the note itself. You can see a Note object as one       * information about the note itself. You can see a Note object as one
86       * specific event in time where one or more voices were spawned at the same       * specific event in time where one or more voices were spawned at the same
87       * time and all those voices due to the same cause.       * time and all those voices due to the same cause.
88       *       *
89       * For example when you press down and hold the sustain pedal, and then       * For example when you press down and hold the sustain pedal, and then
90       * trigger the same note on the keyboard multiple times, for each key       * trigger the same note on the keyboard multiple times, for each key
91       * strokes a separate Note instance is created.       * strokes a separate Note instance is created. Assuming you have a layered
92         * sound with 4 layers, then for each note that is triggered 4 voices will
93         * be spawned and assigned to the same Note object. By grouping those voices
94         * to one specific Note object, it allows to control the synthesis paramters
95         * of those layered voices simultaniously.
96       *       *
97       * If your instrument contains a real-time instrument script, then that       * If your instrument contains a real-time instrument script, then that
98       * script might also trigger additional voices programmatically (by       * script might also trigger additional voices programmatically (by
# Line 120  namespace LinuxSampler { Line 131  namespace LinuxSampler {
131              cause = Event();              cause = Event();
132              eventID = 0;              eventID = 0;
133              Override.Volume     = 1.f;              Override.Volume     = 1.f;
134                Override.VolumeTime = DEFAULT_NOTE_VOLUME_TIME_S;
135              Override.Pitch      = 1.f;              Override.Pitch      = 1.f;
136                Override.PitchTime  = DEFAULT_NOTE_PITCH_TIME_S;
137              Override.Pan        = 0.f;              Override.Pan        = 0.f;
138              Override.PanSources = 0;              Override.PanSources = 0;
139              Override.Cutoff     = 1.f;              Override.Cutoff     = 1.f;
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