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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) 2009-2012 Christian Schoenebeck and Grigor Iliev * |
* Copyright (C) 2009-2013 Christian Schoenebeck and Grigor Iliev * |
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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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* @param Samples - number of sample points to be rendered |
* @param Samples - number of sample points to be rendered |
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* @returns 0 on success |
* @returns 0 on success |
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*/ |
*/ |
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virtual int RenderAudio(uint Samples) { |
virtual int RenderAudio(uint Samples) OVERRIDE { |
108 |
dmsg(8,("RenderAudio(Samples=%d)\n", Samples)); |
dmsg(8,("RenderAudio(Samples=%d)\n", Samples)); |
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110 |
// return if engine disabled |
// return if engine disabled |
143 |
} |
} |
144 |
} |
} |
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} |
} |
146 |
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// In case scale tuning has been changed, recalculate pitch for |
148 |
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// all active voices. |
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ProcessScaleTuningChange(); |
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// reset internal voice counter (just for statistic of active voices) |
// reset internal voice counter (just for statistic of active voices) |
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ActiveVoiceCountTemp = 0; |
ActiveVoiceCountTemp = 0; |
209 |
return 0; |
return 0; |
210 |
} |
} |
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212 |
virtual int MaxVoices() { return pVoicePool->poolSize(); } |
virtual int MaxVoices() OVERRIDE { return pVoicePool->poolSize(); } |
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214 |
virtual void SetMaxVoices(int iVoices) throw (Exception) { |
virtual void SetMaxVoices(int iVoices) throw (Exception) OVERRIDE { |
215 |
if (iVoices < 1) |
if (iVoices < 1) |
216 |
throw Exception("Maximum voices for an engine cannot be set lower than 1"); |
throw Exception("Maximum voices for an engine cannot be set lower than 1"); |
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254 |
/** Called after the new max number of voices is set and before resuming the engine. */ |
/** Called after the new max number of voices is set and before resuming the engine. */ |
255 |
virtual void PostSetMaxVoices(int iVoices) { } |
virtual void PostSetMaxVoices(int iVoices) { } |
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virtual uint DiskStreamCount() { return (pDiskThread) ? pDiskThread->GetActiveStreamCount() : 0; } |
virtual uint DiskStreamCount() OVERRIDE { return (pDiskThread) ? pDiskThread->GetActiveStreamCount() : 0; } |
258 |
virtual uint DiskStreamCountMax() { return (pDiskThread) ? pDiskThread->ActiveStreamCountMax : 0; } |
virtual uint DiskStreamCountMax() OVERRIDE { return (pDiskThread) ? pDiskThread->ActiveStreamCountMax : 0; } |
259 |
virtual int MaxDiskStreams() { return iMaxDiskStreams; } |
virtual int MaxDiskStreams() OVERRIDE { return iMaxDiskStreams; } |
260 |
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261 |
virtual void SetMaxDiskStreams(int iStreams) throw (Exception) { |
virtual void SetMaxDiskStreams(int iStreams) throw (Exception) OVERRIDE { |
262 |
if (iStreams < 0) |
if (iStreams < 0) |
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throw Exception("Maximum disk streams for an engine cannot be set lower than 0"); |
throw Exception("Maximum disk streams for an engine cannot be set lower than 0"); |
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273 |
ResumeAll(); |
ResumeAll(); |
274 |
} |
} |
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virtual String DiskStreamBufferFillBytes() { return (pDiskThread) ? pDiskThread->GetBufferFillBytes() : ""; } |
virtual String DiskStreamBufferFillBytes() OVERRIDE { return (pDiskThread) ? pDiskThread->GetBufferFillBytes() : ""; } |
277 |
virtual String DiskStreamBufferFillPercentage() { return (pDiskThread) ? pDiskThread->GetBufferFillPercentage() : ""; } |
virtual String DiskStreamBufferFillPercentage() OVERRIDE { return (pDiskThread) ? pDiskThread->GetBufferFillPercentage() : ""; } |
278 |
virtual InstrumentManager* GetInstrumentManager() { return &instruments; } |
virtual InstrumentManager* GetInstrumentManager() OVERRIDE { return &instruments; } |
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280 |
/** |
/** |
281 |
* Connect this engine instance with the given audio output device. |
* Connect this engine instance with the given audio output device. |
286 |
* |
* |
287 |
* @param pAudioOut - audio output device to connect to |
* @param pAudioOut - audio output device to connect to |
288 |
*/ |
*/ |
289 |
virtual void Connect(AudioOutputDevice* pAudioOut) { |
virtual void Connect(AudioOutputDevice* pAudioOut) OVERRIDE { |
290 |
// caution: don't ignore if connecting to the same device here, |
// caution: don't ignore if connecting to the same device here, |
291 |
// because otherwise SetMaxDiskStreams() implementation won't work anymore! |
// because otherwise SetMaxDiskStreams() implementation won't work anymore! |
292 |
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374 |
} |
} |
375 |
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// Implementattion for abstract method derived from Engine. |
// Implementattion for abstract method derived from Engine. |
377 |
virtual void ReconnectAudioOutputDevice() { |
virtual void ReconnectAudioOutputDevice() OVERRIDE { |
378 |
SuspendAll(); |
SuspendAll(); |
379 |
if (pAudioOutputDevice) Connect(pAudioOutputDevice); |
if (pAudioOutputDevice) Connect(pAudioOutputDevice); |
380 |
ResumeAll(); |
ResumeAll(); |
433 |
*/ |
*/ |
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virtual void Suspend(RR* pRegion) { |
virtual void Suspend(RR* pRegion) { |
435 |
dmsg(2,("EngineBase: Suspending Region %x ...\n",pRegion)); |
dmsg(2,("EngineBase: Suspending Region %x ...\n",pRegion)); |
436 |
SuspendedRegionsMutex.Lock(); |
{ |
437 |
SuspensionChangeOngoing.Set(true); |
LockGuard lock(SuspendedRegionsMutex); |
438 |
pPendingRegionSuspension = pRegion; |
SuspensionChangeOngoing.Set(true); |
439 |
SuspensionChangeOngoing.WaitAndUnlockIf(true); |
pPendingRegionSuspension = pRegion; |
440 |
SuspendedRegionsMutex.Unlock(); |
SuspensionChangeOngoing.WaitAndUnlockIf(true); |
441 |
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} |
442 |
dmsg(2,("EngineBase: Region %x suspended.",pRegion)); |
dmsg(2,("EngineBase: Region %x suspended.",pRegion)); |
443 |
} |
} |
444 |
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|
450 |
*/ |
*/ |
451 |
virtual void Resume(RR* pRegion) { |
virtual void Resume(RR* pRegion) { |
452 |
dmsg(2,("EngineBase: Resuming Region %x ...\n",pRegion)); |
dmsg(2,("EngineBase: Resuming Region %x ...\n",pRegion)); |
453 |
SuspendedRegionsMutex.Lock(); |
{ |
454 |
SuspensionChangeOngoing.Set(true); |
LockGuard lock(SuspendedRegionsMutex); |
455 |
pPendingRegionResumption = pRegion; |
SuspensionChangeOngoing.Set(true); |
456 |
SuspensionChangeOngoing.WaitAndUnlockIf(true); |
pPendingRegionResumption = pRegion; |
457 |
SuspendedRegionsMutex.Unlock(); |
SuspensionChangeOngoing.WaitAndUnlockIf(true); |
458 |
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} |
459 |
dmsg(2,("EngineBase: Region %x resumed.\n",pRegion)); |
dmsg(2,("EngineBase: Region %x resumed.\n",pRegion)); |
460 |
} |
} |
461 |
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578 |
public: |
public: |
579 |
int PendingStreamDeletions; |
int PendingStreamDeletions; |
580 |
RR* pPendingRegionSuspension; |
RR* pPendingRegionSuspension; |
581 |
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|
582 |
SuspensionVoiceHandler(RR* pPendingRegionSuspension) { |
SuspensionVoiceHandler(RR* pPendingRegionSuspension) { |
583 |
PendingStreamDeletions = 0; |
PendingStreamDeletions = 0; |
584 |
this->pPendingRegionSuspension = pPendingRegionSuspension; |
this->pPendingRegionSuspension = pPendingRegionSuspension; |
585 |
} |
} |
586 |
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587 |
virtual bool Process(MidiKey* pMidiKey) { |
virtual bool Process(MidiKey* pMidiKey) OVERRIDE { |
588 |
VoiceIterator itVoice = pMidiKey->pActiveVoices->first(); |
VoiceIterator itVoice = pMidiKey->pActiveVoices->first(); |
589 |
// if current key is not associated with this region, skip this key |
// if current key is not associated with this region, skip this key |
590 |
if (itVoice->GetRegion()->GetParent() != pPendingRegionSuspension) return false; |
if (itVoice->GetRegion()->GetParent() != pPendingRegionSuspension) return false; |
592 |
return true; |
return true; |
593 |
} |
} |
594 |
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595 |
virtual void Process(VoiceIterator& itVoice) { |
virtual void Process(VoiceIterator& itVoice) OVERRIDE { |
596 |
// request a notification from disk thread side for stream deletion |
// request a notification from disk thread side for stream deletion |
597 |
const Stream::Handle hStream = itVoice->KillImmediately(true); |
const Stream::Handle hStream = itVoice->KillImmediately(true); |
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if (hStream != Stream::INVALID_HANDLE) { // voice actually used a stream |
if (hStream != Stream::INVALID_HANDLE) { // voice actually used a stream |
1332 |
* control and status variables. This method is protected by a mutex. |
* control and status variables. This method is protected by a mutex. |
1333 |
*/ |
*/ |
1334 |
virtual void ResetInternal() { |
virtual void ResetInternal() { |
1335 |
ResetInternalMutex.Lock(); |
LockGuard lock(ResetInternalMutex); |
1336 |
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|
1337 |
// make sure that the engine does not get any sysex messages |
// make sure that the engine does not get any sysex messages |
1338 |
// while it's reseting |
// while it's reseting |
1361 |
pEventQueue->init(); |
pEventQueue->init(); |
1362 |
pSysexBuffer->init(); |
pSysexBuffer->init(); |
1363 |
if (sysexDisabled) MidiInputPort::AddSysexListener(this); |
if (sysexDisabled) MidiInputPort::AddSysexListener(this); |
|
ResetInternalMutex.Unlock(); |
|
1364 |
} |
} |
1365 |
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1366 |
/** |
/** |
1456 |
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1457 |
return -1; |
return -1; |
1458 |
} |
} |
1459 |
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1460 |
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/** |
1461 |
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* Checks whether scale tuning setting has been changed since last |
1462 |
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* time this method was called, if yes, it recalculates the pitch |
1463 |
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* for all active voices. |
1464 |
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*/ |
1465 |
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void ProcessScaleTuningChange() { |
1466 |
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const bool changed = ScaleTuningChanged.readAndReset(); |
1467 |
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if (!changed) return; |
1468 |
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1469 |
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for (int i = 0; i < engineChannels.size(); i++) { |
1470 |
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EngineChannelBase<V, R, I>* channel = |
1471 |
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static_cast<EngineChannelBase<V, R, I>*>(engineChannels[i]); |
1472 |
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channel->OnScaleTuningChanged(); |
1473 |
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} |
1474 |
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} |
1475 |
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1476 |
private: |
private: |
1477 |
Pool<V>* pVoicePool; ///< Contains all voices that can be activated. |
Pool<V>* pVoicePool; ///< Contains all voices that can be activated. |