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* * |
* * |
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* Copyright (C) 2003,2004 by Benno Senoner and Christian Schoenebeck * |
* Copyright (C) 2003,2004 by Benno Senoner and Christian Schoenebeck * |
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* Copyright (C) 2005-2008 Christian Schoenebeck * |
* Copyright (C) 2005-2008 Christian Schoenebeck * |
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* Copyright (C) 2009-2013 Christian Schoenebeck and Grigor Iliev * |
* Copyright (C) 2009-2012 Christian Schoenebeck and Grigor Iliev * |
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* Copyright (C) 2012-2016 Christian Schoenebeck and Andreas Persson * |
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* * |
* * |
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* This program is free software; you can redistribute it and/or modify * |
* This program is free software; you can redistribute it and/or modify * |
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* it under the terms of the GNU General Public License as published by * |
* it under the terms of the GNU General Public License as published by * |
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bool bChangeInstrument; ///< Set to true by the loader when the channel should change instrument. |
bool bChangeInstrument; ///< Set to true by the loader when the channel should change instrument. |
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I* pInstrument; ///< The new instrument. Also used by the loader to read the previously loaded instrument. |
I* pInstrument; ///< The new instrument. Also used by the loader to read the previously loaded instrument. |
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RTList<R*>* pRegionsInUse; ///< List of dimension regions in use by the currently loaded instrument. Continuously updated by the audio thread. |
RTList<R*>* pRegionsInUse; ///< List of dimension regions in use by the currently loaded instrument. Continuously updated by the audio thread. |
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InstrumentScript* pScript; ///< Instrument script to be executed for this instrument, or NULL if instrument does not have a script. |
InstrumentScript* pScript; ///< Instrument script to be executed for this instrument. This is never NULL, it is always a valid InstrumentScript pointer. Use InstrumentScript::bHasValidScript whether it reflects a valid instrument script to be executed. |
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}; |
}; |
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template<class R> |
template<class R> |
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typedef typename RTList<R*>::Iterator RTListRegionIterator; |
typedef typename RTList<R*>::Iterator RTListRegionIterator; |
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typedef typename MidiKeyboardManager<V>::MidiKey MidiKey; |
typedef typename MidiKeyboardManager<V>::MidiKey MidiKey; |
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virtual MidiKeyboardManagerBase* GetMidiKeyboardManager() OVERRIDE { |
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return this; |
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} |
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virtual void HandBack(I* Instrument) { |
virtual void HandBack(I* Instrument) { |
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ResourceManager<InstrumentManager::instrument_id_t, I>* mgr = |
ResourceManager<InstrumentManager::instrument_id_t, I>* mgr = |
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dynamic_cast<ResourceManager<InstrumentManager::instrument_id_t, I>*>(pEngine->GetInstrumentManager()); |
dynamic_cast<ResourceManager<InstrumentManager::instrument_id_t, I>*>(pEngine->GetInstrumentManager()); |
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} |
} |
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|
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virtual void DeleteRegionsInUse() { |
virtual void DeleteRegionsInUse() { |
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RTList<R*>* previous = NULL; // prevent double free |
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{ |
{ |
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InstrumentChangeCmd<R, I>& cmd = InstrumentChangeCommand.GetConfigForUpdate(); |
InstrumentChangeCmd<R, I>& cmd = InstrumentChangeCommand.GetConfigForUpdate(); |
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if (cmd.pRegionsInUse) { |
if (cmd.pRegionsInUse) { |
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previous = cmd.pRegionsInUse; |
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delete cmd.pRegionsInUse; |
delete cmd.pRegionsInUse; |
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cmd.pRegionsInUse = NULL; |
cmd.pRegionsInUse = NULL; |
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} |
} |
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{ |
{ |
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InstrumentChangeCmd<R, I>& cmd = InstrumentChangeCommand.SwitchConfig(); |
InstrumentChangeCmd<R, I>& cmd = InstrumentChangeCommand.SwitchConfig(); |
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if (cmd.pRegionsInUse) { |
if (cmd.pRegionsInUse) { |
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delete cmd.pRegionsInUse; |
if (cmd.pRegionsInUse != previous) |
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delete cmd.pRegionsInUse; |
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cmd.pRegionsInUse = NULL; |
cmd.pRegionsInUse = NULL; |
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} |
} |
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cmd.bChangeInstrument = false; |
cmd.bChangeInstrument = false; |
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LockGuard lock(EngineMutex); |
LockGuard lock(EngineMutex); |
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pEngine = newEngine; |
pEngine = newEngine; |
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} |
} |
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ResetInternal(); |
ResetInternal(false/*don't reset engine*/); // 'false' is error prone here, but the danger of recursion with 'true' would be worse, there could be a better solution though |
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pEvents = new RTList<Event>(pEngine->pEventPool); |
pEvents = new RTList<Event>(pEngine->pEventPool); |
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delayedEvents.pList = new RTList<Event>(pEngine->pEventPool); |
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RegionPools<R>* pRegionPool = dynamic_cast<RegionPools<R>*>(pEngine); |
RegionPools<R>* pRegionPool = dynamic_cast<RegionPools<R>*>(pEngine); |
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// reset the instrument change command struct (need to be done |
// reset the instrument change command struct (need to be done |
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virtual void DisconnectAudioOutputDevice() { |
virtual void DisconnectAudioOutputDevice() { |
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if (pEngine) { // if clause to prevent disconnect loops |
if (pEngine) { // if clause to prevent disconnect loops |
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ResetInternal(); |
ResetInternal(false/*don't reset engine*/); // 'false' is error prone here, but the danger of recursion with 'true' would be worse, there could be a better solution though |
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DeleteRegionsInUse(); |
DeleteRegionsInUse(); |
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UnloadScriptInUse(); |
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InstrumentChangeCmd<R, I>& cmd = InstrumentChangeCommand.GetConfigForUpdate(); |
InstrumentChangeCmd<R, I>& cmd = InstrumentChangeCommand.GetConfigForUpdate(); |
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if (cmd.pInstrument) { |
if (cmd.pInstrument) { |
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delete pEvents; |
delete pEvents; |
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pEvents = NULL; |
pEvents = NULL; |
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} |
} |
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if (delayedEvents.pList) { |
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delete delayedEvents.pList; |
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delayedEvents.pList = NULL; |
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} |
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MidiKeyboardManager<V>::DeleteActiveVoices(); |
MidiKeyboardManager<V>::DeleteActiveVoices(); |
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MidiKeyboardManager<V>::DeleteEvents(); |
MidiKeyboardManager<V>::DeleteEvents(); |
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virtual bool Process(MidiKey* pMidiKey) { pMidiKey->pEvents->clear(); return false; } |
virtual bool Process(MidiKey* pMidiKey) { pMidiKey->pEvents->clear(); return false; } |
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}; |
}; |
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void ClearEventLists() { |
/** |
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* Free all events of the current audio fragment cycle. Calling |
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* this method will @b NOT free events scheduled past the current |
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* fragment's boundary! (@see AbstractEngineChannel::delayedEvents). |
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*/ |
240 |
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void ClearEventListsOfCurrentFragment() { |
241 |
pEvents->clear(); |
pEvents->clear(); |
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// empty MIDI key specific event lists |
// empty MIDI key specific event lists |
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ClearEventListsHandler handler; |
ClearEventListsHandler handler; |
260 |
virtual void ResourceToBeUpdated(I* pResource, void*& pUpdateArg) OVERRIDE { |
virtual void ResourceToBeUpdated(I* pResource, void*& pUpdateArg) OVERRIDE { |
261 |
dmsg(3,("EngineChannelBase: Received instrument update message.\n")); |
dmsg(3,("EngineChannelBase: Received instrument update message.\n")); |
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if (pEngine) pEngine->DisableAndLock(); |
if (pEngine) pEngine->DisableAndLock(); |
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ResetInternal(); |
ResetInternal(false/*don't reset engine*/); |
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this->pInstrument = NULL; |
this->pInstrument = NULL; |
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} |
} |
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|
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*/ |
*/ |
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virtual void OnResourceProgress(float fProgress) OVERRIDE { |
virtual void OnResourceProgress(float fProgress) OVERRIDE { |
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this->InstrumentStat = int(fProgress * 100.0f); |
this->InstrumentStat = int(fProgress * 100.0f); |
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dmsg(7,("EngineChannelBase: progress %d%", InstrumentStat)); |
dmsg(7,("EngineChannelBase: progress %d%%", InstrumentStat)); |
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bStatusChanged = true; // status of engine has changed, so set notify flag |
bStatusChanged = true; // status of engine has changed, so set notify flag |
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} |
} |
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template<class TV, class TRR, class TR, class TD, class TIM, class TI> friend class EngineBase; |
template<class TV, class TRR, class TR, class TD, class TIM, class TI> friend class EngineBase; |
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protected: |
protected: |
303 |
EngineChannelBase() : InstrumentChangeCommandReader(InstrumentChangeCommand) { |
EngineChannelBase() : |
304 |
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MidiKeyboardManager<V>(this), |
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InstrumentChangeCommandReader(InstrumentChangeCommand) |
306 |
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{ |
307 |
pInstrument = NULL; |
pInstrument = NULL; |
308 |
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|
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// reset the instrument change command struct (need to be done |
// reset the instrument change command struct (need to be done |
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} |
} |
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virtual ~EngineChannelBase() { |
virtual ~EngineChannelBase() { |
328 |
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InstrumentScript* previous = NULL; // prevent double free |
329 |
{ |
{ |
330 |
InstrumentChangeCmd<R, I>& cmd = InstrumentChangeCommand.GetConfigForUpdate(); |
InstrumentChangeCmd<R, I>& cmd = InstrumentChangeCommand.GetConfigForUpdate(); |
331 |
if (cmd.pScript) delete cmd.pScript; |
if (cmd.pScript) { |
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previous = cmd.pScript; |
333 |
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delete cmd.pScript; |
334 |
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cmd.pScript = NULL; |
335 |
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} |
336 |
} |
} |
337 |
{ |
{ |
338 |
InstrumentChangeCmd<R, I>& cmd = InstrumentChangeCommand.SwitchConfig(); |
InstrumentChangeCmd<R, I>& cmd = InstrumentChangeCommand.SwitchConfig(); |
339 |
if (cmd.pScript) delete cmd.pScript; |
if (cmd.pScript) { |
340 |
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if (previous != cmd.pScript) |
341 |
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delete cmd.pScript; |
342 |
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cmd.pScript = NULL; |
343 |
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} |
344 |
} |
} |
345 |
} |
} |
346 |
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381 |
SyncConfInstrChangeCmdReader InstrumentChangeCommandReader; |
SyncConfInstrChangeCmdReader InstrumentChangeCommandReader; |
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383 |
/** This method is not thread safe! */ |
/** This method is not thread safe! */ |
384 |
virtual void ResetInternal() { |
virtual void ResetInternal(bool bResetEngine) OVERRIDE { |
385 |
AbstractEngineChannel::ResetInternal(); |
AbstractEngineChannel::ResetInternal(bResetEngine); |
386 |
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|
387 |
MidiKeyboardManager<V>::Reset(); |
MidiKeyboardManager<V>::Reset(); |
388 |
} |
} |
395 |
} |
} |
396 |
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|
397 |
/** |
/** |
398 |
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* Unload the currently used and loaded real-time instrument script. |
399 |
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* The source code of the script is retained, so that it can still |
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* be reloaded. |
401 |
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*/ |
402 |
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void UnloadScriptInUse() { |
403 |
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{ |
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InstrumentChangeCmd<R, I>& cmd = InstrumentChangeCommand.GetConfigForUpdate(); |
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if (cmd.pScript) cmd.pScript->unload(); |
406 |
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} |
407 |
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{ |
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InstrumentChangeCmd<R, I>& cmd = InstrumentChangeCommand.SwitchConfig(); |
409 |
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if (cmd.pScript) cmd.pScript->unload(); |
410 |
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} |
411 |
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InstrumentChangeCommand.SwitchConfig(); // switch back to original one |
412 |
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} |
413 |
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414 |
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/** |
415 |
* Load real-time instrument script and all its resources required |
* Load real-time instrument script and all its resources required |
416 |
* for the upcoming instrument change. |
* for the upcoming instrument change. |
417 |
* |
* |
419 |
*/ |
*/ |
420 |
void LoadInstrumentScript(const String& text) { |
void LoadInstrumentScript(const String& text) { |
421 |
InstrumentChangeCmd<R, I>& cmd = InstrumentChangeCommand.GetConfigForUpdate(); |
InstrumentChangeCmd<R, I>& cmd = InstrumentChangeCommand.GetConfigForUpdate(); |
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// unload *PRE*-previous script |
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cmd.pScript->reset(); //TODO: previous script should be freed as soon as the EngineBase switched the instrument, right now 2 scripts are kept in memory all the time, even though the old one is not used anymore |
|
422 |
// load the new script |
// load the new script |
423 |
cmd.pScript->load(text); |
cmd.pScript->load(text); |
424 |
} |
} |