79 |
pGlobalEvents = new RTList<Event>(pEventPool); |
pGlobalEvents = new RTList<Event>(pEventPool); |
80 |
FrameTime = 0; |
FrameTime = 0; |
81 |
RandomSeed = 0; |
RandomSeed = 0; |
82 |
|
pDedicatedVoiceChannelLeft = pDedicatedVoiceChannelRight = NULL; |
83 |
} |
} |
84 |
|
|
85 |
AbstractEngine::~AbstractEngine() { |
AbstractEngine::~AbstractEngine() { |
88 |
if (pEventGenerator) delete pEventGenerator; |
if (pEventGenerator) delete pEventGenerator; |
89 |
if (pGlobalEvents) delete pGlobalEvents; |
if (pGlobalEvents) delete pGlobalEvents; |
90 |
if (pSysexBuffer) delete pSysexBuffer; |
if (pSysexBuffer) delete pSysexBuffer; |
91 |
|
if (pDedicatedVoiceChannelLeft) delete pDedicatedVoiceChannelLeft; |
92 |
|
if (pDedicatedVoiceChannelRight) delete pDedicatedVoiceChannelRight; |
93 |
Unregister(); |
Unregister(); |
94 |
} |
} |
95 |
|
|
224 |
*/ |
*/ |
225 |
void AbstractEngine::RouteAudio(EngineChannel* pEngineChannel, uint Samples) { |
void AbstractEngine::RouteAudio(EngineChannel* pEngineChannel, uint Samples) { |
226 |
AbstractEngineChannel* pChannel = static_cast<AbstractEngineChannel*>(pEngineChannel); |
AbstractEngineChannel* pChannel = static_cast<AbstractEngineChannel*>(pEngineChannel); |
227 |
|
AudioChannel* ppSource[2] = { |
228 |
|
pChannel->pChannelLeft, |
229 |
|
pChannel->pChannelRight |
230 |
|
}; |
231 |
// route dry signal |
// route dry signal |
232 |
{ |
{ |
233 |
AudioChannel* pDstL = pAudioOutputDevice->Channel(pChannel->AudioDeviceChannelLeft); |
AudioChannel* pDstL = pAudioOutputDevice->Channel(pChannel->AudioDeviceChannelLeft); |
234 |
AudioChannel* pDstR = pAudioOutputDevice->Channel(pChannel->AudioDeviceChannelRight); |
AudioChannel* pDstR = pAudioOutputDevice->Channel(pChannel->AudioDeviceChannelRight); |
235 |
pChannel->pChannelLeft->MixTo(pDstL, Samples); |
ppSource[0]->MixTo(pDstL, Samples); |
236 |
pChannel->pChannelRight->MixTo(pDstR, Samples); |
ppSource[1]->MixTo(pDstR, Samples); |
237 |
} |
} |
238 |
// route FX send signal |
// route FX send signal (wet) |
239 |
{ |
{ |
240 |
for (int iFxSend = 0; iFxSend < pChannel->GetFxSendCount(); iFxSend++) { |
for (int iFxSend = 0; iFxSend < pChannel->GetFxSendCount(); iFxSend++) { |
241 |
FxSend* pFxSend = pChannel->GetFxSend(iFxSend); |
FxSend* pFxSend = pChannel->GetFxSend(iFxSend); |
242 |
for (int iChan = 0; iChan < 2; ++iChan) { |
const bool success = RouteFxSend(pFxSend, ppSource, pFxSend->Level(), Samples); |
243 |
AudioChannel* pSource = |
if (!success) goto channel_cleanup; |
|
(iChan) |
|
|
? pChannel->pChannelRight |
|
|
: pChannel->pChannelLeft; |
|
|
const int iDstChan = pFxSend->DestinationChannel(iChan); |
|
|
if (iDstChan < 0) { |
|
|
dmsg(1,("Engine::RouteAudio() Error: invalid FX send (%s) destination channel (%d->%d)", ((iChan) ? "R" : "L"), iChan, iDstChan)); |
|
|
goto channel_cleanup; |
|
|
} |
|
|
AudioChannel* pDstChan = NULL; |
|
|
if (pFxSend->DestinationMasterEffectChain() >= 0) { // fx send routed to an internal master effect |
|
|
EffectChain* pEffectChain = |
|
|
pAudioOutputDevice->MasterEffectChain( |
|
|
pFxSend->DestinationMasterEffectChain() |
|
|
); |
|
|
if (!pEffectChain) { |
|
|
dmsg(1,("Engine::RouteAudio() Error: invalid FX send (%s) destination effect chain %d", ((iChan) ? "R" : "L"), pFxSend->DestinationMasterEffectChain())); |
|
|
goto channel_cleanup; |
|
|
} |
|
|
Effect* pEffect = |
|
|
pEffectChain->GetEffect( |
|
|
pFxSend->DestinationMasterEffect() |
|
|
); |
|
|
if (!pEffect) { |
|
|
dmsg(1,("Engine::RouteAudio() Error: invalid FX send (%s) destination effect %d of effect chain %d", ((iChan) ? "R" : "L"), pFxSend->DestinationMasterEffect(), pFxSend->DestinationMasterEffectChain())); |
|
|
goto channel_cleanup; |
|
|
} |
|
|
pDstChan = pEffect->InputChannel(iDstChan); |
|
|
} else { // FX send routed directly to an audio output channel |
|
|
pDstChan = pAudioOutputDevice->Channel(iDstChan); |
|
|
} |
|
|
if (!pDstChan) { |
|
|
dmsg(1,("Engine::RouteAudio() Error: invalid FX send (%s) destination channel (%d->%d)", ((iChan) ? "R" : "L"), iChan, iDstChan)); |
|
|
goto channel_cleanup; |
|
|
} |
|
|
pSource->MixTo(pDstChan, Samples, pFxSend->Level()); |
|
|
} |
|
244 |
} |
} |
245 |
} |
} |
246 |
channel_cleanup: |
channel_cleanup: |
247 |
// reset buffers with silence (zero out) for the next audio cycle |
// reset buffers with silence (zero out) for the next audio cycle |
248 |
pChannel->pChannelLeft->Clear(); |
ppSource[0]->Clear(); |
249 |
pChannel->pChannelRight->Clear(); |
ppSource[1]->Clear(); |
250 |
|
} |
251 |
|
|
252 |
|
/** |
253 |
|
* Similar to RouteAudio(), but this method is even more special. It is |
254 |
|
* only called by voices which have dedicated effect send(s) level(s). So |
255 |
|
* such voices have to be routed separately apart from the other voices |
256 |
|
* which can just be mixed together and routed afterwards in one turn. |
257 |
|
*/ |
258 |
|
void AbstractEngine::RouteDedicatedVoiceChannels(EngineChannel* pEngineChannel, optional<float> FxSendLevels[2], uint Samples) { |
259 |
|
AbstractEngineChannel* pChannel = static_cast<AbstractEngineChannel*>(pEngineChannel); |
260 |
|
AudioChannel* ppSource[2] = { |
261 |
|
pDedicatedVoiceChannelLeft, |
262 |
|
pDedicatedVoiceChannelRight |
263 |
|
}; |
264 |
|
// route dry signal |
265 |
|
{ |
266 |
|
AudioChannel* pDstL = pAudioOutputDevice->Channel(pChannel->AudioDeviceChannelLeft); |
267 |
|
AudioChannel* pDstR = pAudioOutputDevice->Channel(pChannel->AudioDeviceChannelRight); |
268 |
|
ppSource[0]->MixTo(pDstL, Samples); |
269 |
|
ppSource[1]->MixTo(pDstR, Samples); |
270 |
|
} |
271 |
|
// route FX send signals (wet) |
272 |
|
// (we simply hard code the voices 'reverb send' to the 1st effect |
273 |
|
// send bus, and the voioces 'chorus send' to the 2nd effect send bus) |
274 |
|
{ |
275 |
|
for (int iFxSend = 0; iFxSend < 2 && iFxSend < pChannel->GetFxSendCount(); iFxSend++) { |
276 |
|
// no voice specific FX send level defined for this effect? |
277 |
|
if (!FxSendLevels[iFxSend]) continue; // ignore this effect then |
278 |
|
|
279 |
|
FxSend* pFxSend = pChannel->GetFxSend(iFxSend); |
280 |
|
const bool success = RouteFxSend(pFxSend, ppSource, *FxSendLevels[iFxSend], Samples); |
281 |
|
if (!success) goto channel_cleanup; |
282 |
|
} |
283 |
|
} |
284 |
|
channel_cleanup: |
285 |
|
// reset buffers with silence (zero out) for the next dedicated voice rendering/routing process |
286 |
|
ppSource[0]->Clear(); |
287 |
|
ppSource[1]->Clear(); |
288 |
|
} |
289 |
|
|
290 |
|
/** |
291 |
|
* Route the audio signal given by @a ppSource to the effect send bus |
292 |
|
* defined by @a pFxSend (wet signal only). |
293 |
|
* |
294 |
|
* @param pFxSend - definition of effect send bus |
295 |
|
* @param ppSource - the 2 channels of the audio signal to be routed |
296 |
|
* @param FxSendLevel - the effect send level to by applied |
297 |
|
* @param Samples - amount of sample points to be processed |
298 |
|
* @returns true if signal was routed successfully, false on error |
299 |
|
*/ |
300 |
|
bool AbstractEngine::RouteFxSend(FxSend* pFxSend, AudioChannel* ppSource[2], float FxSendLevel, uint Samples) { |
301 |
|
for (int iChan = 0; iChan < 2; ++iChan) { |
302 |
|
const int iDstChan = pFxSend->DestinationChannel(iChan); |
303 |
|
if (iDstChan < 0) { |
304 |
|
dmsg(1,("Engine::RouteAudio() Error: invalid FX send (%s) destination channel (%d->%d)", ((iChan) ? "R" : "L"), iChan, iDstChan)); |
305 |
|
return false; // error |
306 |
|
} |
307 |
|
AudioChannel* pDstChan = NULL; |
308 |
|
if (pFxSend->DestinationMasterEffectChain() >= 0) { // fx send routed to an internal master effect |
309 |
|
EffectChain* pEffectChain = |
310 |
|
pAudioOutputDevice->MasterEffectChain( |
311 |
|
pFxSend->DestinationMasterEffectChain() |
312 |
|
); |
313 |
|
if (!pEffectChain) { |
314 |
|
dmsg(1,("Engine::RouteAudio() Error: invalid FX send (%s) destination effect chain %d", ((iChan) ? "R" : "L"), pFxSend->DestinationMasterEffectChain())); |
315 |
|
return false; // error |
316 |
|
} |
317 |
|
Effect* pEffect = |
318 |
|
pEffectChain->GetEffect( |
319 |
|
pFxSend->DestinationMasterEffect() |
320 |
|
); |
321 |
|
if (!pEffect) { |
322 |
|
dmsg(1,("Engine::RouteAudio() Error: invalid FX send (%s) destination effect %d of effect chain %d", ((iChan) ? "R" : "L"), pFxSend->DestinationMasterEffect(), pFxSend->DestinationMasterEffectChain())); |
323 |
|
return false; // error |
324 |
|
} |
325 |
|
pDstChan = pEffect->InputChannel(iDstChan); |
326 |
|
} else { // FX send routed directly to an audio output channel |
327 |
|
pDstChan = pAudioOutputDevice->Channel(iDstChan); |
328 |
|
} |
329 |
|
if (!pDstChan) { |
330 |
|
dmsg(1,("Engine::RouteAudio() Error: invalid FX send (%s) destination channel (%d->%d)", ((iChan) ? "R" : "L"), iChan, iDstChan)); |
331 |
|
return false; // error |
332 |
|
} |
333 |
|
ppSource[iChan]->MixTo(pDstChan, Samples, FxSendLevel); |
334 |
|
} |
335 |
|
return true; // success |
336 |
} |
} |
337 |
|
|
338 |
/** |
/** |