/[svn]/linuxsampler/trunk/src/engines/common/InstrumentScriptVM.cpp
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revision 2612 by schoenebeck, Tue Jun 10 13:32:16 2014 UTC revision 3118 by schoenebeck, Fri Apr 21 13:33:03 2017 UTC
# Line 1  Line 1 
1  /*  /*
2   * Copyright (c) 2014 Christian Schoenebeck   * Copyright (c) 2014 - 2017 Christian Schoenebeck
3   *   *
4   * http://www.linuxsampler.org   * http://www.linuxsampler.org
5   *   *
# Line 7  Line 7 
7   * See README file for details.   * See README file for details.
8   */   */
9    
10    #include "../../common/global_private.h"
11  #include "InstrumentScriptVM.h"  #include "InstrumentScriptVM.h"
12  #include "../AbstractEngineChannel.h"  #include "../AbstractEngineChannel.h"
13  #include "../../common/global_private.h"  #include "../../common/global_private.h"
14  #include "AbstractInstrumentManager.h"  #include "AbstractInstrumentManager.h"
15    #include "MidiKeyboardManager.h"
16    
17  namespace LinuxSampler {  namespace LinuxSampler {
18    
19      ///////////////////////////////////////////////////////////////////////      ///////////////////////////////////////////////////////////////////////
20        // class 'EventGroup'
21    
22        void EventGroup::insert(int eventID) {
23            if (contains(eventID)) return;
24    
25            AbstractEngine* pEngine = m_script->pEngineChannel->pEngine;
26    
27            // before adding the new event ID, check if there are any dead events
28            // and remove them in that case, before otherwise we might run in danger
29            // to run out of free space on this group for event IDs if a lot of
30            // events die before being removed explicitly from the group by script
31            //
32            // NOTE: or should we do this "dead ones" check only once in a while?
33            int firstDead = -1;
34            for (int i = 0; i < size(); ++i) {
35                if (firstDead >= 0) {
36                    if (pEngine->EventByID(eventID)) {
37                        remove(firstDead, i - firstDead);
38                        firstDead = -1;
39                    }
40                } else {
41                    if (!pEngine->EventByID(eventID)) firstDead = i;
42                }
43            }
44    
45            append(eventID);
46        }
47    
48        void EventGroup::erase(int eventID) {
49            int index = find(eventID);
50            remove(index);
51        }
52    
53        ///////////////////////////////////////////////////////////////////////
54      // class 'InstrumentScript'      // class 'InstrumentScript'
55    
56        InstrumentScript::InstrumentScript(AbstractEngineChannel* pEngineChannel) {
57            parserContext = NULL;
58            bHasValidScript = false;
59            handlerInit = NULL;
60            handlerNote = NULL;
61            handlerRelease = NULL;
62            handlerController = NULL;
63            pEvents = NULL;
64            for (int i = 0; i < 128; ++i)
65                pKeyEvents[i] = NULL;
66            this->pEngineChannel = pEngineChannel;
67            for (int i = 0; i < INSTR_SCRIPT_EVENT_GROUPS; ++i)
68                eventGroups[i].setScript(this);
69        }
70    
71        InstrumentScript::~InstrumentScript() {
72            resetAll();
73            if (pEvents) {
74                for (int i = 0; i < 128; ++i) delete pKeyEvents[i];
75                delete pEvents;
76            }
77        }
78    
79      /** @brief Load real-time instrument script.      /** @brief Load real-time instrument script.
80       *       *
81       * Loads the real-time instrument script given by @a text on the engine       * Loads the real-time instrument script given by @a text on the engine
# Line 63  namespace LinuxSampler { Line 122  namespace LinuxSampler {
122              handlerExecCount++;              handlerExecCount++;
123    
124          // create script event pool (if it doesn't exist already)          // create script event pool (if it doesn't exist already)
125          if (!pEvents)          if (!pEvents) {
126              pEvents = new Pool<ScriptEvent>(CONFIG_MAX_EVENTS_PER_FRAGMENT);              pEvents = new Pool<ScriptEvent>(CONFIG_MAX_EVENTS_PER_FRAGMENT);
127                for (int i = 0; i < 128; ++i)
128                    pKeyEvents[i] = new RTList<ScriptEvent>(pEvents);
129                // reset RTAVLNode's tree node member variables after nodes are allocated
130                // (since we can't use a constructor right now, we do that initialization here)
131                while (!pEvents->poolIsEmpty()) {
132                    RTList<ScriptEvent>::Iterator it = pEvents->allocAppend();
133                    it->reset();
134                }
135                pEvents->clear();
136            }
137    
138          // create new VM execution contexts for new script          // create new VM execution contexts for new script
139          while (!pEvents->poolIsEmpty()) {          while (!pEvents->poolIsEmpty()) {
# Line 87  namespace LinuxSampler { Line 156  namespace LinuxSampler {
156       * to deallocate the parsed script once not used on any engine channel       * to deallocate the parsed script once not used on any engine channel
157       * anymore.       * anymore.
158       *       *
159       * Calling thid method will however not clear the @c code member variable.       * Calling this method will however not clear the @c code member variable.
160       * Thus, the script can be parsed again afterwards.       * Thus, the script can be parsed again afterwards.
161       */       */
162      void InstrumentScript::unload() {      void InstrumentScript::unload() {
163            //dmsg(1,("InstrumentScript::unload(this=0x%llx)\n", this));
164    
165          if (parserContext)          if (parserContext)
166              dmsg(1,("Unloading current instrument script.\n"));              dmsg(1,("Unloading current instrument script.\n"));
167    
168            resetEvents();
169    
170          // free allocated VM execution contexts          // free allocated VM execution contexts
171          if (pEvents) {          if (pEvents) {
172              pEvents->clear();              pEvents->clear();
# Line 132  namespace LinuxSampler { Line 205  namespace LinuxSampler {
205          unload();          unload();
206          code.clear();          code.clear();
207      }      }
208        
209        /**
210         * Clears all currently active script events. This should be called
211         * whenever the engine or engine channel was reset for some reason.
212         */
213        void InstrumentScript::resetEvents() {
214            for (int i = 0; i < INSTR_SCRIPT_EVENT_GROUPS; ++i)
215                eventGroups[i].clear();
216    
217            for (int i = 0; i < 128; ++i)
218                if (pKeyEvents[i])
219                    pKeyEvents[i]->clear();
220    
221            suspendedEvents.clear();
222    
223            if (pEvents) pEvents->clear();
224        }
225    
226      ///////////////////////////////////////////////////////////////////////      ///////////////////////////////////////////////////////////////////////
227      // class 'InstrumentScriptVM'      // class 'InstrumentScriptVM'
228    
229      InstrumentScriptVM::InstrumentScriptVM() :      InstrumentScriptVM::InstrumentScriptVM() :
230          m_event(NULL), m_fnPlayNote(this), m_fnSetController(this),          m_event(NULL), m_fnPlayNote(this), m_fnSetController(this),
231          m_fnIgnoreEvent(this), m_fnIgnoreController(this)          m_fnIgnoreEvent(this), m_fnIgnoreController(this), m_fnNoteOff(this),
232            m_fnSetEventMark(this), m_fnDeleteEventMark(this), m_fnByMarks(this),
233            m_fnChangeVol(this), m_fnChangeTune(this), m_fnChangePan(this),
234            m_fnChangeCutoff(this), m_fnChangeReso(this),  m_fnChangeAttack(this),
235            m_fnChangeDecay(this), m_fnChangeRelease(this),
236            m_fnChangeAmpLFODepth(this), m_fnChangeAmpLFOFreq(this),
237            m_fnChangePitchLFODepth(this), m_fnChangePitchLFOFreq(this),
238            m_fnEventStatus(this), m_fnWait2(this), m_fnStopWait(this),
239            m_varEngineUptime(this), m_varCallbackID(this), m_varAllEvents(this)
240      {      {
241          m_CC.size = _MEMBER_SIZEOF(AbstractEngineChannel, ControllerTable);          m_CC.size = _MEMBER_SIZEOF(AbstractEngineChannel, ControllerTable);
242          m_CC_NUM = DECLARE_VMINT(m_event, class ScriptEvent, cause.Param.CC.Controller);          m_CC_NUM = DECLARE_VMINT(m_event, class ScriptEvent, cause.Param.CC.Controller);
243          m_EVENT_ID = DECLARE_VMINT(m_event, class ScriptEvent, id);          m_EVENT_ID = DECLARE_VMINT_READONLY(m_event, class ScriptEvent, id);
244          m_EVENT_NOTE = DECLARE_VMINT(m_event, class ScriptEvent, cause.Param.Note.Key);          m_EVENT_NOTE = DECLARE_VMINT(m_event, class ScriptEvent, cause.Param.Note.Key);
245          m_EVENT_VELOCITY = DECLARE_VMINT(m_event, class ScriptEvent, cause.Param.Note.Velocity);          m_EVENT_VELOCITY = DECLARE_VMINT(m_event, class ScriptEvent, cause.Param.Note.Velocity);
246            m_KEY_DOWN.size = 128;
247            m_NI_CALLBACK_TYPE = DECLARE_VMINT_READONLY(m_event, class ScriptEvent, handlerType);
248            m_NKSP_IGNORE_WAIT = DECLARE_VMINT(m_event, class ScriptEvent, ignoreAllWaitCalls);
249      }      }
250    
251      VMExecStatus_t InstrumentScriptVM::exec(VMParserContext* parserCtx, ScriptEvent* event) {      VMExecStatus_t InstrumentScriptVM::exec(VMParserContext* parserCtx, ScriptEvent* event) {
# Line 154  namespace LinuxSampler { Line 255  namespace LinuxSampler {
255          // prepare built-in script variables for script execution          // prepare built-in script variables for script execution
256          m_event = event;          m_event = event;
257          m_CC.data = (int8_t*) &pEngineChannel->ControllerTable[0];          m_CC.data = (int8_t*) &pEngineChannel->ControllerTable[0];
258            m_KEY_DOWN.data = &pEngineChannel->GetMidiKeyboardManager()->KeyDown[0];
259    
260          // if script is in start condition, then do mandatory MIDI event          // if script is in start condition, then do mandatory MIDI event
261          // preprocessing tasks, which essentially means updating i.e. controller          // preprocessing tasks, which essentially means updating i.e. controller
# Line 173  namespace LinuxSampler { Line 275  namespace LinuxSampler {
275                      pEngineChannel->ControllerTable[CTRL_TABLE_IDX_PITCHBEND] =                      pEngineChannel->ControllerTable[CTRL_TABLE_IDX_PITCHBEND] =
276                          event->cause.Param.Pitch.Pitch;                          event->cause.Param.Pitch.Pitch;
277                      break;                      break;
278                    default:
279                        ; // noop
280              }              }
281          }          }
282    
# Line 190  namespace LinuxSampler { Line 294  namespace LinuxSampler {
294      }      }
295    
296      std::map<String,VMIntRelPtr*> InstrumentScriptVM::builtInIntVariables() {      std::map<String,VMIntRelPtr*> InstrumentScriptVM::builtInIntVariables() {
297          // first get buil-in integer variables of derived VM class          // first get built-in integer variables of derived VM class
298          std::map<String,VMIntRelPtr*> m = ScriptVM::builtInIntVariables();          std::map<String,VMIntRelPtr*> m = ScriptVM::builtInIntVariables();
299    
300          // now add own built-in variables          // now add own built-in variables
# Line 199  namespace LinuxSampler { Line 303  namespace LinuxSampler {
303          m["$EVENT_NOTE"] = &m_EVENT_NOTE;          m["$EVENT_NOTE"] = &m_EVENT_NOTE;
304          m["$EVENT_VELOCITY"] = &m_EVENT_VELOCITY;          m["$EVENT_VELOCITY"] = &m_EVENT_VELOCITY;
305  //         m["$POLY_AT_NUM"] = &m_POLY_AT_NUM;  //         m["$POLY_AT_NUM"] = &m_POLY_AT_NUM;
306            m["$NI_CALLBACK_TYPE"] = &m_NI_CALLBACK_TYPE;
307            m["$NKSP_IGNORE_WAIT"] = &m_NKSP_IGNORE_WAIT;
308    
309          return m;          return m;
310      }      }
311    
312      std::map<String,VMInt8Array*> InstrumentScriptVM::builtInIntArrayVariables() {      std::map<String,VMInt8Array*> InstrumentScriptVM::builtInIntArrayVariables() {
313          // first get buil-in integer array variables of derived VM class          // first get built-in integer array variables of derived VM class
314          std::map<String,VMInt8Array*> m = ScriptVM::builtInIntArrayVariables();          std::map<String,VMInt8Array*> m = ScriptVM::builtInIntArrayVariables();
315    
316          // now add own built-in variables          // now add own built-in variables
317          m["%CC"] = &m_CC;          m["%CC"] = &m_CC;
318          //m["%KEY_DOWN"] = &m_KEY_DOWN;          m["%KEY_DOWN"] = &m_KEY_DOWN;
319          //m["%POLY_AT"] = &m_POLY_AT;          //m["%POLY_AT"] = &m_POLY_AT;
320    
321          return m;          return m;
322      }      }
323    
324      std::map<String,int> InstrumentScriptVM::builtInConstIntVariables() {      std::map<String,int> InstrumentScriptVM::builtInConstIntVariables() {
325          // first get buil-in integer variables of derived VM class          // first get built-in integer variables of derived VM class
326          std::map<String,int> m = ScriptVM::builtInConstIntVariables();          std::map<String,int> m = ScriptVM::builtInConstIntVariables();
327    
328            m["$EVENT_STATUS_INACTIVE"] = EVENT_STATUS_INACTIVE;
329            m["$EVENT_STATUS_NOTE_QUEUE"] = EVENT_STATUS_NOTE_QUEUE;
330          m["$VCC_MONO_AT"] = CTRL_TABLE_IDX_AFTERTOUCH;          m["$VCC_MONO_AT"] = CTRL_TABLE_IDX_AFTERTOUCH;
331          m["$VCC_PITCH_BEND"] = CTRL_TABLE_IDX_PITCHBEND;          m["$VCC_PITCH_BEND"] = CTRL_TABLE_IDX_PITCHBEND;
332            for (int i = 0; i < INSTR_SCRIPT_EVENT_GROUPS; ++i) {
333                m["$MARK_" + ToString(i+1)] = i;
334            }
335    
336            return m;
337        }
338    
339        std::map<String,VMDynVar*> InstrumentScriptVM::builtInDynamicVariables() {
340            // first get built-in dynamic variables of derived VM class
341            std::map<String,VMDynVar*> m = ScriptVM::builtInDynamicVariables();
342    
343            m["%ALL_EVENTS"] = &m_varAllEvents;
344            m["$ENGINE_UPTIME"] = &m_varEngineUptime;
345            m["$NI_CALLBACK_ID"] = &m_varCallbackID;
346    
347          return m;          return m;
348      }      }
# Line 231  namespace LinuxSampler { Line 353  namespace LinuxSampler {
353          else if (name == "set_controller") return &m_fnSetController;          else if (name == "set_controller") return &m_fnSetController;
354          else if (name == "ignore_event") return &m_fnIgnoreEvent;          else if (name == "ignore_event") return &m_fnIgnoreEvent;
355          else if (name == "ignore_controller") return &m_fnIgnoreController;          else if (name == "ignore_controller") return &m_fnIgnoreController;
356            else if (name == "note_off") return &m_fnNoteOff;
357            else if (name == "set_event_mark") return &m_fnSetEventMark;
358            else if (name == "delete_event_mark") return &m_fnDeleteEventMark;
359            else if (name == "by_marks") return &m_fnByMarks;
360            else if (name == "change_vol") return &m_fnChangeVol;
361            else if (name == "change_tune") return &m_fnChangeTune;
362            else if (name == "change_pan") return &m_fnChangePan;
363            else if (name == "change_cutoff") return &m_fnChangeCutoff;
364            else if (name == "change_reso") return &m_fnChangeReso;
365            else if (name == "change_attack") return &m_fnChangeAttack;
366            else if (name == "change_decay") return &m_fnChangeDecay;
367            else if (name == "change_release") return &m_fnChangeRelease;
368            else if (name == "change_amp_lfo_depth") return &m_fnChangeAmpLFODepth;
369            else if (name == "change_amp_lfo_freq") return &m_fnChangeAmpLFOFreq;
370            else if (name == "change_pitch_lfo_depth") return &m_fnChangePitchLFODepth;
371            else if (name == "change_pitch_lfo_freq") return &m_fnChangePitchLFOFreq;
372            else if (name == "event_status") return &m_fnEventStatus;
373            else if (name == "wait") return &m_fnWait2; // override wait() core implementation
374            else if (name == "stop_wait") return &m_fnStopWait;
375    
376          // built-in script functions of derived VM class          // built-in script functions of derived VM class
377          return ScriptVM::functionByName(name);          return ScriptVM::functionByName(name);
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