25 |
#include "DiskThread.h" |
#include "DiskThread.h" |
26 |
#include "Voice.h" |
#include "Voice.h" |
27 |
#include "EGADSR.h" |
#include "EGADSR.h" |
28 |
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#include "../EngineFactory.h" |
29 |
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30 |
#include "Engine.h" |
#include "Engine.h" |
31 |
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41 |
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42 |
std::map<AudioOutputDevice*,Engine*> Engine::engines; |
std::map<AudioOutputDevice*,Engine*> Engine::engines; |
43 |
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44 |
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/** |
45 |
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* Get a gig::Engine object for the given gig::EngineChannel and the |
46 |
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* given AudioOutputDevice. All engine channels which are connected to |
47 |
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* the same audio output device will use the same engine instance. This |
48 |
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* method will be called by a gig::EngineChannel whenever it's |
49 |
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* connecting to a audio output device. |
50 |
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* |
51 |
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* @param pChannel - engine channel which acquires an engine object |
52 |
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* @param pDevice - the audio output device \a pChannel is connected to |
53 |
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*/ |
54 |
Engine* Engine::AcquireEngine(LinuxSampler::gig::EngineChannel* pChannel, AudioOutputDevice* pDevice) { |
Engine* Engine::AcquireEngine(LinuxSampler::gig::EngineChannel* pChannel, AudioOutputDevice* pDevice) { |
55 |
Engine* pEngine; |
Engine* pEngine = NULL; |
56 |
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// check if there's already an engine for the given audio output device |
57 |
if (engines.count(pDevice)) { |
if (engines.count(pDevice)) { |
58 |
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dmsg(4,("Using existing gig::Engine.\n")); |
59 |
pEngine = engines[pDevice]; |
pEngine = engines[pDevice]; |
60 |
} else { |
} else { // create a new engine (and disk thread) instance for the given audio output device |
61 |
pEngine = new Engine; |
dmsg(4,("Creating new gig::Engine.\n")); |
62 |
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pEngine = (Engine*) EngineFactory::Create("gig"); |
63 |
pEngine->Connect(pDevice); |
pEngine->Connect(pDevice); |
64 |
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engines[pDevice] = pEngine; |
65 |
} |
} |
66 |
pEngine->samplerChannels.push_back(pChannel); |
// register engine channel to the engine instance |
67 |
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pEngine->engineChannels.add(pChannel); |
68 |
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// remember index in the ArrayList |
69 |
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pChannel->iEngineIndexSelf = pEngine->engineChannels.size() - 1; |
70 |
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dmsg(4,("This gig::Engine has now %d EngineChannels.\n",pEngine->engineChannels.size())); |
71 |
return pEngine; |
return pEngine; |
72 |
} |
} |
73 |
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74 |
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/** |
75 |
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* Once an engine channel is disconnected from an audio output device, |
76 |
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* it wil immediately call this method to unregister itself from the |
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* engine instance and if that engine instance is not used by any other |
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* engine channel anymore, then that engine instance will be destroyed. |
79 |
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* |
80 |
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* @param pChannel - engine channel which wants to disconnect from it's |
81 |
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* engine instance |
82 |
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* @param pDevice - audio output device \a pChannel was connected to |
83 |
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*/ |
84 |
void Engine::FreeEngine(LinuxSampler::gig::EngineChannel* pChannel, AudioOutputDevice* pDevice) { |
void Engine::FreeEngine(LinuxSampler::gig::EngineChannel* pChannel, AudioOutputDevice* pDevice) { |
85 |
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dmsg(4,("Disconnecting EngineChannel from gig::Engine.\n")); |
86 |
Engine* pEngine = engines[pDevice]; |
Engine* pEngine = engines[pDevice]; |
87 |
pEngine->samplerChannels.remove(pChannel); |
// unregister EngineChannel from the Engine instance |
88 |
if (pEngine->samplerChannels.empty()) delete pEngine; |
pEngine->engineChannels.remove(pChannel); |
89 |
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// if the used Engine instance is not used anymore, then destroy it |
90 |
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if (pEngine->engineChannels.empty()) { |
91 |
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pDevice->Disconnect(pEngine); |
92 |
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engines.erase(pDevice); |
93 |
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delete pEngine; |
94 |
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dmsg(4,("Destroying gig::Engine.\n")); |
95 |
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} |
96 |
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else dmsg(4,("This gig::Engine has now %d EngineChannels.\n",pEngine->engineChannels.size())); |
97 |
} |
} |
98 |
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99 |
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/** |
100 |
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* Constructor |
101 |
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*/ |
102 |
Engine::Engine() { |
Engine::Engine() { |
103 |
pAudioOutputDevice = NULL; |
pAudioOutputDevice = NULL; |
104 |
pDiskThread = NULL; |
pDiskThread = NULL; |
106 |
pSysexBuffer = new RingBuffer<uint8_t>(SYSEX_BUFFER_SIZE, 0); |
pSysexBuffer = new RingBuffer<uint8_t>(SYSEX_BUFFER_SIZE, 0); |
107 |
pEventQueue = new RingBuffer<Event>(MAX_EVENTS_PER_FRAGMENT, 0); |
pEventQueue = new RingBuffer<Event>(MAX_EVENTS_PER_FRAGMENT, 0); |
108 |
pEventPool = new Pool<Event>(MAX_EVENTS_PER_FRAGMENT); |
pEventPool = new Pool<Event>(MAX_EVENTS_PER_FRAGMENT); |
109 |
pVoicePool = new Pool<Voice>(MAX_AUDIO_VOICES); |
pVoicePool = new Pool<Voice>(MAX_AUDIO_VOICES); |
110 |
pVoiceStealingQueue = new RTList<Event>(pEventPool); |
pVoiceStealingQueue = new RTList<Event>(pEventPool); |
111 |
pEvents = new RTList<Event>(pEventPool); |
pGlobalEvents = new RTList<Event>(pEventPool); |
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pCCEvents = new RTList<Event>(pEventPool); |
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for (uint i = 0; i < Event::destination_count; i++) { |
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pSynthesisEvents[i] = new RTList<Event>(pEventPool); |
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} |
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112 |
for (RTList<Voice>::Iterator iterVoice = pVoicePool->allocAppend(); iterVoice == pVoicePool->last(); iterVoice = pVoicePool->allocAppend()) { |
for (RTList<Voice>::Iterator iterVoice = pVoicePool->allocAppend(); iterVoice == pVoicePool->last(); iterVoice = pVoicePool->allocAppend()) { |
113 |
iterVoice->SetEngine(this); |
iterVoice->SetEngine(this); |
114 |
} |
} |
121 |
ResetInternal(); |
ResetInternal(); |
122 |
} |
} |
123 |
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124 |
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/** |
125 |
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* Destructor |
126 |
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*/ |
127 |
Engine::~Engine() { |
Engine::~Engine() { |
128 |
if (pDiskThread) { |
if (pDiskThread) { |
129 |
dmsg(1,("Stopping disk thread...")); |
dmsg(1,("Stopping disk thread...")); |
131 |
delete pDiskThread; |
delete pDiskThread; |
132 |
dmsg(1,("OK\n")); |
dmsg(1,("OK\n")); |
133 |
} |
} |
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for (uint i = 0; i < Event::destination_count; i++) { |
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if (pSynthesisEvents[i]) delete pSynthesisEvents[i]; |
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} |
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if (pEvents) delete pEvents; |
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if (pCCEvents) delete pCCEvents; |
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134 |
if (pEventQueue) delete pEventQueue; |
if (pEventQueue) delete pEventQueue; |
135 |
if (pEventPool) delete pEventPool; |
if (pEventPool) delete pEventPool; |
136 |
if (pVoicePool) { |
if (pVoicePool) { |
143 |
if (pSynthesisParameters[0]) free(pSynthesisParameters[0]); |
if (pSynthesisParameters[0]) free(pSynthesisParameters[0]); |
144 |
if (pVoiceStealingQueue) delete pVoiceStealingQueue; |
if (pVoiceStealingQueue) delete pVoiceStealingQueue; |
145 |
if (pSysexBuffer) delete pSysexBuffer; |
if (pSysexBuffer) delete pSysexBuffer; |
146 |
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EngineFactory::Destroy(this); |
147 |
} |
} |
148 |
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149 |
void Engine::Enable() { |
void Engine::Enable() { |
183 |
ActiveVoiceCountMax = 0; |
ActiveVoiceCountMax = 0; |
184 |
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185 |
// reset voice stealing parameters |
// reset voice stealing parameters |
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itLastStolenVoice = RTList<Voice>::Iterator(); |
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iuiLastStolenKey = RTList<uint>::Iterator(); |
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186 |
pVoiceStealingQueue->clear(); |
pVoiceStealingQueue->clear(); |
187 |
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itLastStolenVoice = RTList<Voice>::Iterator(); |
188 |
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iuiLastStolenKey = RTList<uint>::Iterator(); |
189 |
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pLastStolenChannel = NULL; |
190 |
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191 |
// reset to normal chromatic scale (means equal temper) |
// reset to normal chromatic scale (means equal temper) |
192 |
memset(&ScaleTuning[0], 0x00, 12); |
memset(&ScaleTuning[0], 0x00, 12); |
204 |
pEventQueue->init(); |
pEventQueue->init(); |
205 |
} |
} |
206 |
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207 |
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/** |
208 |
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* Connect this engine instance with the given audio output device. |
209 |
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* This method will be called when an Engine instance is created. |
210 |
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* All of the engine's data structures which are dependant to the used |
211 |
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* audio output device / driver will be (re)allocated and / or |
212 |
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* adjusted appropriately. |
213 |
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* |
214 |
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* @param pAudioOut - audio output device to connect to |
215 |
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*/ |
216 |
void Engine::Connect(AudioOutputDevice* pAudioOut) { |
void Engine::Connect(AudioOutputDevice* pAudioOut) { |
217 |
pAudioOutputDevice = pAudioOut; |
pAudioOutputDevice = pAudioOut; |
218 |
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226 |
String msg = "Audio output device unable to provide 2 audio channels, cause: " + e.Message(); |
String msg = "Audio output device unable to provide 2 audio channels, cause: " + e.Message(); |
227 |
throw LinuxSamplerException(msg); |
throw LinuxSamplerException(msg); |
228 |
} |
} |
229 |
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230 |
this->MaxSamplesPerCycle = pAudioOutputDevice->MaxSamplesPerCycle(); |
this->MaxSamplesPerCycle = pAudioOutputDevice->MaxSamplesPerCycle(); |
231 |
this->SampleRate = pAudioOutputDevice->SampleRate(); |
this->SampleRate = pAudioOutputDevice->SampleRate(); |
232 |
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233 |
// FIXME: audio drivers with varying fragment sizes might be a problem here |
// FIXME: audio drivers with varying fragment sizes might be a problem here |
234 |
MaxFadeOutPos = MaxSamplesPerCycle - int(double(SampleRate) * EG_MIN_RELEASE_TIME) - 1; |
MaxFadeOutPos = MaxSamplesPerCycle - int(double(SampleRate) * EG_MIN_RELEASE_TIME) - 1; |
288 |
} |
} |
289 |
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290 |
/** |
/** |
291 |
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* Clear all engine global event lists. |
292 |
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*/ |
293 |
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void Engine::ClearEventLists() { |
294 |
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pGlobalEvents->clear(); |
295 |
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} |
296 |
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297 |
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/** |
298 |
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* Copy all events from the engine's global input queue buffer to the |
299 |
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* engine's internal event list. This will be done at the beginning of |
300 |
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* each audio cycle (that is each RenderAudio() call) to distinguish |
301 |
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* all global events which have to be processed in the current audio |
302 |
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* cycle. These events are usually just SysEx messages. Every |
303 |
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* EngineChannel has it's own input event queue buffer and event list |
304 |
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* to handle common events like NoteOn, NoteOff and ControlChange |
305 |
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* events. |
306 |
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* |
307 |
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* @param Samples - number of sample points to be processed in the |
308 |
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* current audio cycle |
309 |
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*/ |
310 |
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void Engine::ImportEvents(uint Samples) { |
311 |
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RingBuffer<Event>::NonVolatileReader eventQueueReader = pEventQueue->get_non_volatile_reader(); |
312 |
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Event* pEvent; |
313 |
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while (true) { |
314 |
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// get next event from input event queue |
315 |
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if (!(pEvent = eventQueueReader.pop())) break; |
316 |
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// if younger event reached, ignore that and all subsequent ones for now |
317 |
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if (pEvent->FragmentPos() >= Samples) { |
318 |
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eventQueueReader--; |
319 |
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dmsg(2,("Younger Event, pos=%d ,Samples=%d!\n",pEvent->FragmentPos(),Samples)); |
320 |
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pEvent->ResetFragmentPos(); |
321 |
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break; |
322 |
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} |
323 |
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// copy event to internal event list |
324 |
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if (pGlobalEvents->poolIsEmpty()) { |
325 |
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dmsg(1,("Event pool emtpy!\n")); |
326 |
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break; |
327 |
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} |
328 |
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*pGlobalEvents->allocAppend() = *pEvent; |
329 |
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} |
330 |
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eventQueueReader.free(); // free all copied events from input queue |
331 |
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} |
332 |
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333 |
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/** |
334 |
* Let this engine proceed to render the given amount of sample points. The |
* Let this engine proceed to render the given amount of sample points. The |
335 |
* calculated audio data of all voices of this engine will be placed into |
* calculated audio data of all voices of this engine will be placed into |
336 |
* the engine's audio sum buffer which has to be copied and eventually be |
* the engine's audio sum buffer which has to be copied and eventually be |
337 |
* converted to the appropriate value range by the audio output class (e.g. |
* converted to the appropriate value range by the audio output class (e.g. |
338 |
* AlsaIO or JackIO) right after. |
* AlsaIO or JackIO) right after. |
339 |
* |
* |
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* @param pEngineChannel - the engine's channel to be rendered |
|
340 |
* @param Samples - number of sample points to be rendered |
* @param Samples - number of sample points to be rendered |
341 |
* @returns 0 on success |
* @returns 0 on success |
342 |
*/ |
*/ |
343 |
int Engine::RenderAudio(LinuxSampler::gig::EngineChannel* pEngineChannel, uint Samples) { |
int Engine::RenderAudio(uint Samples) { |
344 |
dmsg(5,("RenderAudio(Samples=%d)\n", Samples)); |
dmsg(5,("RenderAudio(Samples=%d)\n", Samples)); |
345 |
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|
346 |
// return if no instrument loaded or engine disabled |
// return if engine disabled |
347 |
if (EngineDisabled.Pop()) { |
if (EngineDisabled.Pop()) { |
348 |
dmsg(5,("gig::Engine: engine disabled (val=%d)\n",EngineDisabled.GetUnsafe())); |
dmsg(5,("gig::Engine: engine disabled (val=%d)\n",EngineDisabled.GetUnsafe())); |
349 |
return 0; |
return 0; |
350 |
} |
} |
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if (!pEngineChannel->pInstrument) { |
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dmsg(5,("gig::Engine: no instrument loaded\n")); |
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return 0; |
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} |
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351 |
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352 |
// update time of start and end of this audio fragment (as events' time stamps relate to this) |
// update time of start and end of this audio fragment (as events' time stamps relate to this) |
353 |
pEventGenerator->UpdateFragmentTime(Samples); |
pEventGenerator->UpdateFragmentTime(Samples); |
354 |
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355 |
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// get all events from the engine's global input event queue which belong to the current fragment |
356 |
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// (these are usually just SysEx messages) |
357 |
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ImportEvents(Samples); |
358 |
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|
359 |
// empty the event lists for the new fragment |
// process engine global events (these are currently only MIDI System Exclusive messages) |
|
pEvents->clear(); |
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pCCEvents->clear(); |
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for (uint i = 0; i < Event::destination_count; i++) { |
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pSynthesisEvents[i]->clear(); |
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} |
|
360 |
{ |
{ |
361 |
RTList<uint>::Iterator iuiKey = pEngineChannel->pActiveKeys->first(); |
RTList<Event>::Iterator itEvent = pGlobalEvents->first(); |
362 |
RTList<uint>::Iterator end = pEngineChannel->pActiveKeys->end(); |
RTList<Event>::Iterator end = pGlobalEvents->end(); |
363 |
for(; iuiKey != end; ++iuiKey) { |
for (; itEvent != end; ++itEvent) { |
364 |
pEngineChannel->pMIDIKeyInfo[*iuiKey].pEvents->clear(); // free all events on the key |
switch (itEvent->Type) { |
365 |
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case Event::type_sysex: |
366 |
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dmsg(5,("Engine: Sysex received\n")); |
367 |
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ProcessSysex(itEvent); |
368 |
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break; |
369 |
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} |
370 |
} |
} |
371 |
} |
} |
372 |
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373 |
|
// We only allow a maximum of MAX_AUDIO_VOICES voices to be stolen |
374 |
|
// in each audio fragment. All subsequent request for spawning new |
375 |
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// voices in the same audio fragment will be ignored. |
376 |
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VoiceTheftsLeft = MAX_AUDIO_VOICES; |
377 |
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|
378 |
// get all events from the input event queue which belong to the current fragment |
// reset internal voice counter (just for statistic of active voices) |
379 |
{ |
ActiveVoiceCountTemp = 0; |
380 |
RingBuffer<Event>::NonVolatileReader eventQueueReader = pEventQueue->get_non_volatile_reader(); |
|
381 |
Event* pEvent; |
|
382 |
while (true) { |
// handle events on all engine channels |
383 |
// get next event from input event queue |
for (int i = 0; i < engineChannels.size(); i++) { |
384 |
if (!(pEvent = eventQueueReader.pop())) break; |
if (!engineChannels[i]->pInstrument) continue; // ignore if no instrument loaded |
385 |
// if younger event reached, ignore that and all subsequent ones for now |
ProcessEvents(engineChannels[i], Samples); |
386 |
if (pEvent->FragmentPos() >= Samples) { |
} |
387 |
eventQueueReader--; |
|
388 |
dmsg(2,("Younger Event, pos=%d ,Samples=%d!\n",pEvent->FragmentPos(),Samples)); |
// render all 'normal', active voices on all engine channels |
389 |
pEvent->ResetFragmentPos(); |
for (int i = 0; i < engineChannels.size(); i++) { |
390 |
break; |
if (!engineChannels[i]->pInstrument) continue; // ignore if no instrument loaded |
391 |
} |
RenderActiveVoices(engineChannels[i], Samples); |
|
// copy event to internal event list |
|
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if (pEvents->poolIsEmpty()) { |
|
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dmsg(1,("Event pool emtpy!\n")); |
|
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break; |
|
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} |
|
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*pEvents->allocAppend() = *pEvent; |
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} |
|
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eventQueueReader.free(); // free all copied events from input queue |
|
392 |
} |
} |
393 |
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394 |
|
// now that all ordinary voices on ALL engine channels are rendered, render new stolen voices |
395 |
|
RenderStolenVoices(Samples); |
396 |
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|
397 |
|
// handle cleanup on all engine channels for the next audio fragment |
398 |
|
for (int i = 0; i < engineChannels.size(); i++) { |
399 |
|
if (!engineChannels[i]->pInstrument) continue; // ignore if no instrument loaded |
400 |
|
PostProcess(engineChannels[i]); |
401 |
|
} |
402 |
|
|
403 |
|
|
404 |
|
// empty the engine's event list for the next audio fragment |
405 |
|
ClearEventLists(); |
406 |
|
|
407 |
|
// reset voice stealing for the next audio fragment |
408 |
|
pVoiceStealingQueue->clear(); |
409 |
|
itLastStolenVoice = RTList<Voice>::Iterator(); |
410 |
|
iuiLastStolenKey = RTList<uint>::Iterator(); |
411 |
|
pLastStolenChannel = NULL; |
412 |
|
|
413 |
|
// just some statistics about this engine instance |
414 |
|
ActiveVoiceCount = ActiveVoiceCountTemp; |
415 |
|
if (ActiveVoiceCount > ActiveVoiceCountMax) ActiveVoiceCountMax = ActiveVoiceCount; |
416 |
|
|
417 |
|
return 0; |
418 |
|
} |
419 |
|
|
420 |
|
/** |
421 |
|
* Dispatch and handle all events in this audio fragment for the given |
422 |
|
* engine channel. |
423 |
|
* |
424 |
|
* @param pEngineChannel - engine channel on which events should be |
425 |
|
* processed |
426 |
|
* @param Samples - amount of sample points to be processed in |
427 |
|
* this audio fragment cycle |
428 |
|
*/ |
429 |
|
void Engine::ProcessEvents(EngineChannel* pEngineChannel, uint Samples) { |
430 |
|
// get all events from the engine channels's input event queue which belong to the current fragment |
431 |
|
// (these are the common events like NoteOn, NoteOff, ControlChange, etc.) |
432 |
|
pEngineChannel->ImportEvents(Samples); |
433 |
|
|
434 |
// process events |
// process events |
435 |
{ |
{ |
436 |
RTList<Event>::Iterator itEvent = pEvents->first(); |
RTList<Event>::Iterator itEvent = pEngineChannel->pEvents->first(); |
437 |
RTList<Event>::Iterator end = pEvents->end(); |
RTList<Event>::Iterator end = pEngineChannel->pEvents->end(); |
438 |
for (; itEvent != end; ++itEvent) { |
for (; itEvent != end; ++itEvent) { |
439 |
switch (itEvent->Type) { |
switch (itEvent->Type) { |
440 |
case Event::type_note_on: |
case Event::type_note_on: |
441 |
dmsg(5,("Engine: Note on received\n")); |
dmsg(5,("Engine: Note on received\n")); |
442 |
ProcessNoteOn(pEngineChannel, itEvent); |
ProcessNoteOn((EngineChannel*)itEvent->pEngineChannel, itEvent); |
443 |
break; |
break; |
444 |
case Event::type_note_off: |
case Event::type_note_off: |
445 |
dmsg(5,("Engine: Note off received\n")); |
dmsg(5,("Engine: Note off received\n")); |
446 |
ProcessNoteOff(pEngineChannel, itEvent); |
ProcessNoteOff((EngineChannel*)itEvent->pEngineChannel, itEvent); |
447 |
break; |
break; |
448 |
case Event::type_control_change: |
case Event::type_control_change: |
449 |
dmsg(5,("Engine: MIDI CC received\n")); |
dmsg(5,("Engine: MIDI CC received\n")); |
450 |
ProcessControlChange(pEngineChannel, itEvent); |
ProcessControlChange((EngineChannel*)itEvent->pEngineChannel, itEvent); |
451 |
break; |
break; |
452 |
case Event::type_pitchbend: |
case Event::type_pitchbend: |
453 |
dmsg(5,("Engine: Pitchbend received\n")); |
dmsg(5,("Engine: Pitchbend received\n")); |
454 |
ProcessPitchbend(pEngineChannel, itEvent); |
ProcessPitchbend((EngineChannel*)itEvent->pEngineChannel, itEvent); |
|
break; |
|
|
case Event::type_sysex: |
|
|
dmsg(5,("Engine: Sysex received\n")); |
|
|
ProcessSysex(itEvent); |
|
455 |
break; |
break; |
456 |
} |
} |
457 |
} |
} |
458 |
} |
} |
459 |
|
} |
460 |
|
|
461 |
|
/** |
462 |
int active_voices = 0; |
* Render all 'normal' voices (that is voices which were not stolen in |
463 |
|
* this fragment) on the given engine channel. |
464 |
// render audio from all active voices |
* |
465 |
{ |
* @param pEngineChannel - engine channel on which audio should be |
466 |
RTList<uint>::Iterator iuiKey = pEngineChannel->pActiveKeys->first(); |
* rendered |
467 |
RTList<uint>::Iterator end = pEngineChannel->pActiveKeys->end(); |
* @param Samples - amount of sample points to be rendered in |
468 |
while (iuiKey != end) { // iterate through all active keys |
* this audio fragment cycle |
469 |
midi_key_info_t* pKey = &pEngineChannel->pMIDIKeyInfo[*iuiKey]; |
*/ |
470 |
++iuiKey; |
void Engine::RenderActiveVoices(EngineChannel* pEngineChannel, uint Samples) { |
471 |
|
RTList<uint>::Iterator iuiKey = pEngineChannel->pActiveKeys->first(); |
472 |
RTList<Voice>::Iterator itVoice = pKey->pActiveVoices->first(); |
RTList<uint>::Iterator end = pEngineChannel->pActiveKeys->end(); |
473 |
RTList<Voice>::Iterator itVoicesEnd = pKey->pActiveVoices->end(); |
while (iuiKey != end) { // iterate through all active keys |
474 |
for (; itVoice != itVoicesEnd; ++itVoice) { // iterate through all voices on this key |
midi_key_info_t* pKey = &pEngineChannel->pMIDIKeyInfo[*iuiKey]; |
475 |
// now render current voice |
++iuiKey; |
476 |
itVoice->Render(Samples); |
|
477 |
if (itVoice->IsActive()) active_voices++; // still active |
RTList<Voice>::Iterator itVoice = pKey->pActiveVoices->first(); |
478 |
else { // voice reached end, is now inactive |
RTList<Voice>::Iterator itVoicesEnd = pKey->pActiveVoices->end(); |
479 |
FreeVoice(pEngineChannel, itVoice); // remove voice from the list of active voices |
for (; itVoice != itVoicesEnd; ++itVoice) { // iterate through all voices on this key |
480 |
} |
// now render current voice |
481 |
|
itVoice->Render(Samples); |
482 |
|
if (itVoice->IsActive()) ActiveVoiceCountTemp++; // still active |
483 |
|
else { // voice reached end, is now inactive |
484 |
|
FreeVoice(pEngineChannel, itVoice); // remove voice from the list of active voices |
485 |
} |
} |
486 |
} |
} |
487 |
} |
} |
488 |
|
} |
489 |
|
|
490 |
|
/** |
491 |
// now render all postponed voices from voice stealing |
* Render all stolen voices (only voices which were stolen in this |
492 |
{ |
* fragment) on the given engine channel. Stolen voices are rendered |
493 |
RTList<Event>::Iterator itVoiceStealEvent = pVoiceStealingQueue->first(); |
* after all normal voices have been rendered; this is needed to render |
494 |
RTList<Event>::Iterator end = pVoiceStealingQueue->end(); |
* audio of those voices which were selected for voice stealing until |
495 |
for (; itVoiceStealEvent != end; ++itVoiceStealEvent) { |
* the point were the stealing (that is the take over of the voice) |
496 |
Pool<Voice>::Iterator itNewVoice = |
* actually happened. |
497 |
LaunchVoice(pEngineChannel, itVoiceStealEvent, itVoiceStealEvent->Param.Note.Layer, itVoiceStealEvent->Param.Note.ReleaseTrigger, false); |
* |
498 |
if (itNewVoice) { |
* @param pEngineChannel - engine channel on which audio should be |
499 |
for (; itNewVoice; itNewVoice = itNewVoice->itChildVoice) { |
* rendered |
500 |
itNewVoice->Render(Samples); |
* @param Samples - amount of sample points to be rendered in |
501 |
if (itNewVoice->IsActive()) active_voices++; // still active |
* this audio fragment cycle |
502 |
else { // voice reached end, is now inactive |
*/ |
503 |
FreeVoice(pEngineChannel, itNewVoice); // remove voice from the list of active voices |
void Engine::RenderStolenVoices(uint Samples) { |
504 |
} |
RTList<Event>::Iterator itVoiceStealEvent = pVoiceStealingQueue->first(); |
505 |
} |
RTList<Event>::Iterator end = pVoiceStealingQueue->end(); |
506 |
|
for (; itVoiceStealEvent != end; ++itVoiceStealEvent) { |
507 |
|
EngineChannel* pEngineChannel = (EngineChannel*) itVoiceStealEvent->pEngineChannel; |
508 |
|
Pool<Voice>::Iterator itNewVoice = |
509 |
|
LaunchVoice(pEngineChannel, itVoiceStealEvent, itVoiceStealEvent->Param.Note.Layer, itVoiceStealEvent->Param.Note.ReleaseTrigger, false); |
510 |
|
if (itNewVoice) { |
511 |
|
itNewVoice->Render(Samples); |
512 |
|
if (itNewVoice->IsActive()) ActiveVoiceCountTemp++; // still active |
513 |
|
else { // voice reached end, is now inactive |
514 |
|
FreeVoice(pEngineChannel, itNewVoice); // remove voice from the list of active voices |
515 |
} |
} |
|
else dmsg(1,("gig::Engine: ERROR, voice stealing didn't work out!\n")); |
|
516 |
} |
} |
517 |
} |
else dmsg(1,("gig::Engine: ERROR, voice stealing didn't work out!\n")); |
|
// reset voice stealing for the new fragment |
|
|
pVoiceStealingQueue->clear(); |
|
|
itLastStolenVoice = RTList<Voice>::Iterator(); |
|
|
iuiLastStolenKey = RTList<uint>::Iterator(); |
|
518 |
|
|
519 |
|
// we need to clear the key's event list explicitly here in case key was never active |
520 |
|
midi_key_info_t* pKey = &pEngineChannel->pMIDIKeyInfo[itVoiceStealEvent->Param.Note.Key]; |
521 |
|
pKey->VoiceTheftsQueued--; |
522 |
|
if (!pKey->Active && !pKey->VoiceTheftsQueued) pKey->pEvents->clear(); |
523 |
|
} |
524 |
|
} |
525 |
|
|
526 |
|
/** |
527 |
|
* Free all keys which have turned inactive in this audio fragment, from |
528 |
|
* the list of active keys and clear all event lists on that engine |
529 |
|
* channel. |
530 |
|
* |
531 |
|
* @param pEngineChannel - engine channel to cleanup |
532 |
|
*/ |
533 |
|
void Engine::PostProcess(EngineChannel* pEngineChannel) { |
534 |
// free all keys which have no active voices left |
// free all keys which have no active voices left |
535 |
{ |
{ |
536 |
RTList<uint>::Iterator iuiKey = pEngineChannel->pActiveKeys->first(); |
RTList<uint>::Iterator iuiKey = pEngineChannel->pActiveKeys->first(); |
553 |
} |
} |
554 |
} |
} |
555 |
|
|
556 |
|
// empty the engine channel's own event lists |
557 |
// write that to the disk thread class so that it can print it |
pEngineChannel->ClearEventLists(); |
558 |
// on the console for debugging purposes |
} |
|
ActiveVoiceCount = active_voices; |
|
|
if (ActiveVoiceCount > ActiveVoiceCountMax) ActiveVoiceCountMax = ActiveVoiceCount; |
|
|
|
|
|
|
|
|
return 0; |
|
|
} |
|
559 |
|
|
560 |
/** |
/** |
561 |
* Will be called by the MIDI input device whenever a MIDI system |
* Will be called by the MIDI input device whenever a MIDI system |
568 |
Event event = pEventGenerator->CreateEvent(); |
Event event = pEventGenerator->CreateEvent(); |
569 |
event.Type = Event::type_sysex; |
event.Type = Event::type_sysex; |
570 |
event.Param.Sysex.Size = Size; |
event.Param.Sysex.Size = Size; |
571 |
|
event.pEngineChannel = NULL; // as Engine global event |
572 |
if (pEventQueue->write_space() > 0) { |
if (pEventQueue->write_space() > 0) { |
573 |
if (pSysexBuffer->write_space() >= Size) { |
if (pSysexBuffer->write_space() >= Size) { |
574 |
// copy sysex data to input buffer |
// copy sysex data to input buffer |
596 |
* @param itNoteOnEvent - key, velocity and time stamp of the event |
* @param itNoteOnEvent - key, velocity and time stamp of the event |
597 |
*/ |
*/ |
598 |
void Engine::ProcessNoteOn(EngineChannel* pEngineChannel, Pool<Event>::Iterator& itNoteOnEvent) { |
void Engine::ProcessNoteOn(EngineChannel* pEngineChannel, Pool<Event>::Iterator& itNoteOnEvent) { |
599 |
|
|
600 |
const int key = itNoteOnEvent->Param.Note.Key; |
const int key = itNoteOnEvent->Param.Note.Key; |
601 |
|
|
602 |
// Change key dimension value if key is in keyswitching area |
// Change key dimension value if key is in keyswitching area |
624 |
// move note on event to the key's own event list |
// move note on event to the key's own event list |
625 |
RTList<Event>::Iterator itNoteOnEventOnKeyList = itNoteOnEvent.moveToEndOf(pKey->pEvents); |
RTList<Event>::Iterator itNoteOnEventOnKeyList = itNoteOnEvent.moveToEndOf(pKey->pEvents); |
626 |
|
|
627 |
// allocate and trigger a new voice for the key |
// allocate and trigger new voice(s) for the key |
628 |
LaunchVoice(pEngineChannel, itNoteOnEventOnKeyList, 0, false, true); |
{ |
629 |
|
// first, get total amount of required voices (dependant on amount of layers) |
630 |
|
::gig::Region* pRegion = pEngineChannel->pInstrument->GetRegion(itNoteOnEventOnKeyList->Param.Note.Key); |
631 |
|
if (pRegion) { |
632 |
|
int voicesRequired = pRegion->Layers; |
633 |
|
// now launch the required amount of voices |
634 |
|
for (int i = 0; i < voicesRequired; i++) |
635 |
|
LaunchVoice(pEngineChannel, itNoteOnEventOnKeyList, i, false, true); |
636 |
|
} |
637 |
|
} |
638 |
|
|
639 |
|
// if neither a voice was spawned or postponed then remove note on event from key again |
640 |
|
if (!pKey->Active && !pKey->VoiceTheftsQueued) |
641 |
|
pKey->pEvents->free(itNoteOnEventOnKeyList); |
642 |
|
|
643 |
|
pKey->RoundRobinIndex++; |
644 |
} |
} |
645 |
|
|
646 |
/** |
/** |
667 |
|
|
668 |
// spawn release triggered voice(s) if needed |
// spawn release triggered voice(s) if needed |
669 |
if (pKey->ReleaseTrigger) { |
if (pKey->ReleaseTrigger) { |
670 |
LaunchVoice(pEngineChannel, itNoteOffEventOnKeyList, 0, true, false); //FIXME: for the moment we don't perform voice stealing for release triggered samples |
// first, get total amount of required voices (dependant on amount of layers) |
671 |
|
::gig::Region* pRegion = pEngineChannel->pInstrument->GetRegion(itNoteOffEventOnKeyList->Param.Note.Key); |
672 |
|
if (pRegion) { |
673 |
|
int voicesRequired = pRegion->Layers; |
674 |
|
// now launch the required amount of voices |
675 |
|
for (int i = 0; i < voicesRequired; i++) |
676 |
|
LaunchVoice(pEngineChannel, itNoteOffEventOnKeyList, i, true, false); //FIXME: for the moment we don't perform voice stealing for release triggered samples |
677 |
|
} |
678 |
pKey->ReleaseTrigger = false; |
pKey->ReleaseTrigger = false; |
679 |
} |
} |
680 |
|
|
681 |
|
// if neither a voice was spawned or postponed then remove note off event from key again |
682 |
|
if (!pKey->Active && !pKey->VoiceTheftsQueued) |
683 |
|
pKey->pEvents->free(itNoteOffEventOnKeyList); |
684 |
} |
} |
685 |
|
|
686 |
/** |
/** |
692 |
*/ |
*/ |
693 |
void Engine::ProcessPitchbend(EngineChannel* pEngineChannel, Pool<Event>::Iterator& itPitchbendEvent) { |
void Engine::ProcessPitchbend(EngineChannel* pEngineChannel, Pool<Event>::Iterator& itPitchbendEvent) { |
694 |
pEngineChannel->Pitch = itPitchbendEvent->Param.Pitch.Pitch; // store current pitch value |
pEngineChannel->Pitch = itPitchbendEvent->Param.Pitch.Pitch; // store current pitch value |
695 |
itPitchbendEvent.moveToEndOf(pSynthesisEvents[Event::destination_vco]); |
itPitchbendEvent.moveToEndOf(pEngineChannel->pSynthesisEvents[Event::destination_vco]); |
696 |
} |
} |
697 |
|
|
698 |
/** |
/** |
751 |
} |
} |
752 |
} |
} |
753 |
else if (VoiceStealing) { |
else if (VoiceStealing) { |
754 |
// first, get total amount of required voices (dependant on amount of layers) |
// try to steal one voice |
755 |
::gig::Region* pRegion = pEngineChannel->pInstrument->GetRegion(itNoteOnEvent->Param.Note.Key); |
int result = StealVoice(pEngineChannel, itNoteOnEvent); |
756 |
if (!pRegion) return Pool<Voice>::Iterator(); // nothing defined for this MIDI key, so no voice needed |
if (!result) { // voice stolen successfully |
757 |
int voicesRequired = pRegion->Layers; |
// put note-on event into voice-stealing queue, so it will be reprocessed after killed voice died |
758 |
|
RTList<Event>::Iterator itStealEvent = pVoiceStealingQueue->allocAppend(); |
759 |
// now steal the (remaining) amount of voices |
if (itStealEvent) { |
760 |
for (int i = iLayer; i < voicesRequired; i++) |
*itStealEvent = *itNoteOnEvent; // copy event |
761 |
StealVoice(pEngineChannel, itNoteOnEvent); |
itStealEvent->Param.Note.Layer = iLayer; |
762 |
|
itStealEvent->Param.Note.ReleaseTrigger = ReleaseTriggerVoice; |
763 |
// put note-on event into voice-stealing queue, so it will be reprocessed after killed voice died |
pKey->VoiceTheftsQueued++; |
764 |
RTList<Event>::Iterator itStealEvent = pVoiceStealingQueue->allocAppend(); |
} |
765 |
if (itStealEvent) { |
else dmsg(1,("Voice stealing queue full!\n")); |
|
*itStealEvent = *itNoteOnEvent; // copy event |
|
|
itStealEvent->Param.Note.Layer = iLayer; |
|
|
itStealEvent->Param.Note.ReleaseTrigger = ReleaseTriggerVoice; |
|
766 |
} |
} |
|
else dmsg(1,("Voice stealing queue full!\n")); |
|
767 |
} |
} |
768 |
|
|
769 |
return Pool<Voice>::Iterator(); // no free voice or error |
return Pool<Voice>::Iterator(); // no free voice or error |
777 |
* |
* |
778 |
* @param pEngineChannel - engine channel on which this event occured on |
* @param pEngineChannel - engine channel on which this event occured on |
779 |
* @param itNoteOnEvent - key, velocity and time stamp of the event |
* @param itNoteOnEvent - key, velocity and time stamp of the event |
780 |
|
* @returns 0 on success, a value < 0 if no active voice could be picked for voice stealing |
781 |
*/ |
*/ |
782 |
void Engine::StealVoice(EngineChannel* pEngineChannel, Pool<Event>::Iterator& itNoteOnEvent) { |
int Engine::StealVoice(EngineChannel* pEngineChannel, Pool<Event>::Iterator& itNoteOnEvent) { |
783 |
|
if (!VoiceTheftsLeft) { |
784 |
|
dmsg(1,("Max. voice thefts per audio fragment reached (you may raise MAX_AUDIO_VOICES).\n")); |
785 |
|
return -1; |
786 |
|
} |
787 |
if (!pEventPool->poolIsEmpty()) { |
if (!pEventPool->poolIsEmpty()) { |
788 |
|
|
789 |
RTList<uint>::Iterator iuiOldestKey; |
RTList<Voice>::Iterator itSelectedVoice; |
|
RTList<Voice>::Iterator itOldestVoice; |
|
790 |
|
|
791 |
// Select one voice for voice stealing |
// Select one voice for voice stealing |
792 |
switch (VOICE_STEAL_ALGORITHM) { |
switch (VOICE_STEAL_ALGORITHM) { |
795 |
// voice should be spawned, if there is no voice on that |
// voice should be spawned, if there is no voice on that |
796 |
// key, or no voice left to kill there, then procceed with |
// key, or no voice left to kill there, then procceed with |
797 |
// 'oldestkey' algorithm |
// 'oldestkey' algorithm |
798 |
case voice_steal_algo_keymask: { |
case voice_steal_algo_oldestvoiceonkey: { |
799 |
midi_key_info_t* pOldestKey = &pEngineChannel->pMIDIKeyInfo[itNoteOnEvent->Param.Note.Key]; |
#if 0 // FIXME: broken |
800 |
if (itLastStolenVoice) { |
midi_key_info_t* pSelectedKey = &pEngineChannel->pMIDIKeyInfo[itNoteOnEvent->Param.Note.Key]; |
801 |
itOldestVoice = itLastStolenVoice; |
if (this->itLastStolenVoice) { |
802 |
++itOldestVoice; |
itSelectedVoice = this->itLastStolenVoice; |
803 |
|
++itSelectedVoice; |
804 |
} |
} |
805 |
else { // no voice stolen in this audio fragment cycle yet |
else { // no voice stolen in this audio fragment cycle yet |
806 |
itOldestVoice = pOldestKey->pActiveVoices->first(); |
itSelectedVoice = pSelectedKey->pActiveVoices->first(); |
807 |
} |
} |
808 |
if (itOldestVoice) { |
if (itSelectedVoice) { |
809 |
iuiOldestKey = pOldestKey->itSelf; |
iuiSelectedKey = pSelectedKey->itSelf; |
810 |
break; // selection succeeded |
break; // selection succeeded |
811 |
} |
} |
812 |
|
#endif |
813 |
} // no break - intentional ! |
} // no break - intentional ! |
814 |
|
|
815 |
// try to pick the oldest voice on the oldest active key |
// try to pick the oldest voice on the oldest active key |
816 |
// (caution: must stay after 'keymask' algorithm !) |
// (caution: must stay after 'oldestvoiceonkey' algorithm !) |
817 |
case voice_steal_algo_oldestkey: { |
case voice_steal_algo_oldestkey: { |
818 |
if (itLastStolenVoice) { |
if (this->itLastStolenVoice) { |
819 |
midi_key_info_t* pOldestKey = &pEngineChannel->pMIDIKeyInfo[*iuiLastStolenKey]; |
itSelectedVoice = this->itLastStolenVoice; |
820 |
itOldestVoice = itLastStolenVoice; |
++itSelectedVoice; |
821 |
++itOldestVoice; |
if (itSelectedVoice) break; // selection succeeded |
822 |
if (!itOldestVoice) { |
RTList<uint>::Iterator iuiSelectedKey = this->iuiLastStolenKey; |
823 |
iuiOldestKey = iuiLastStolenKey; |
++iuiSelectedKey; |
824 |
++iuiOldestKey; |
if (iuiSelectedKey) { |
825 |
if (iuiOldestKey) { |
this->iuiLastStolenKey = iuiSelectedKey; |
826 |
midi_key_info_t* pOldestKey = &pEngineChannel->pMIDIKeyInfo[*iuiOldestKey]; |
midi_key_info_t* pSelectedKey = &pEngineChannel->pMIDIKeyInfo[*iuiSelectedKey]; |
827 |
itOldestVoice = pOldestKey->pActiveVoices->first(); |
itSelectedVoice = pSelectedKey->pActiveVoices->first(); |
828 |
} |
break; // selection succeeded |
|
else { |
|
|
dmsg(1,("gig::Engine: Warning, too less voices, even for voice stealing! - Better recompile with higher MAX_AUDIO_VOICES.\n")); |
|
|
return; |
|
|
} |
|
829 |
} |
} |
|
else iuiOldestKey = iuiLastStolenKey; |
|
|
} |
|
|
else { // no voice stolen in this audio fragment cycle yet |
|
|
iuiOldestKey = pEngineChannel->pActiveKeys->first(); |
|
|
midi_key_info_t* pOldestKey = &pEngineChannel->pMIDIKeyInfo[*iuiOldestKey]; |
|
|
itOldestVoice = pOldestKey->pActiveVoices->first(); |
|
830 |
} |
} |
831 |
break; |
break; |
832 |
} |
} |
835 |
case voice_steal_algo_none: |
case voice_steal_algo_none: |
836 |
default: { |
default: { |
837 |
dmsg(1,("No free voice (voice stealing disabled)!\n")); |
dmsg(1,("No free voice (voice stealing disabled)!\n")); |
838 |
return; |
return -1; |
839 |
|
} |
840 |
|
} |
841 |
|
|
842 |
|
// steal oldest voice on the oldest key from this or any other engine channel |
843 |
|
if (!itSelectedVoice) { |
844 |
|
EngineChannel* pSelectedChannel = (pLastStolenChannel) ? pLastStolenChannel : pEngineChannel; |
845 |
|
int iChannelIndex = pSelectedChannel->iEngineIndexSelf; |
846 |
|
while (true) { |
847 |
|
RTList<uint>::Iterator iuiSelectedKey = pSelectedChannel->pActiveKeys->first(); |
848 |
|
if (iuiSelectedKey) { |
849 |
|
midi_key_info_t* pSelectedKey = &pSelectedChannel->pMIDIKeyInfo[*iuiSelectedKey]; |
850 |
|
itSelectedVoice = pSelectedKey->pActiveVoices->first(); |
851 |
|
iuiLastStolenKey = iuiSelectedKey; |
852 |
|
pLastStolenChannel = pSelectedChannel; |
853 |
|
break; // selection succeeded |
854 |
|
} |
855 |
|
iChannelIndex = (iChannelIndex + 1) % engineChannels.size(); |
856 |
|
pSelectedChannel = engineChannels[iChannelIndex]; |
857 |
} |
} |
858 |
} |
} |
859 |
|
|
860 |
//FIXME: can be removed, just a sanity check for debugging |
//FIXME: can be removed, just a sanity check for debugging |
861 |
if (!itOldestVoice->IsActive()) dmsg(1,("gig::Engine: ERROR, tried to steal a voice which was not active !!!\n")); |
if (!itSelectedVoice->IsActive()) { |
862 |
|
dmsg(1,("gig::Engine: ERROR, tried to steal a voice which was not active !!!\n")); |
863 |
|
return -1; |
864 |
|
} |
865 |
|
|
866 |
// now kill the selected voice |
// now kill the selected voice |
867 |
itOldestVoice->Kill(itNoteOnEvent); |
itSelectedVoice->Kill(itNoteOnEvent); |
868 |
// remember which voice on which key we stole, so we can simply proceed for the next voice stealing |
|
869 |
this->itLastStolenVoice = itOldestVoice; |
// remember which voice we stole, so we can simply proceed for the next voice stealing |
870 |
this->iuiLastStolenKey = iuiOldestKey; |
itLastStolenVoice = itSelectedVoice; |
871 |
|
|
872 |
|
--VoiceTheftsLeft; |
873 |
|
|
874 |
|
return 0; // success |
875 |
|
} |
876 |
|
else { |
877 |
|
dmsg(1,("Event pool emtpy!\n")); |
878 |
|
return -1; |
879 |
} |
} |
|
else dmsg(1,("Event pool emtpy!\n")); |
|
880 |
} |
} |
881 |
|
|
882 |
/** |
/** |
935 |
void Engine::ProcessControlChange(EngineChannel* pEngineChannel, Pool<Event>::Iterator& itControlChangeEvent) { |
void Engine::ProcessControlChange(EngineChannel* pEngineChannel, Pool<Event>::Iterator& itControlChangeEvent) { |
936 |
dmsg(4,("Engine::ContinuousController cc=%d v=%d\n", itControlChangeEvent->Param.CC.Controller, itControlChangeEvent->Param.CC.Value)); |
dmsg(4,("Engine::ContinuousController cc=%d v=%d\n", itControlChangeEvent->Param.CC.Controller, itControlChangeEvent->Param.CC.Value)); |
937 |
|
|
938 |
switch (itControlChangeEvent->Param.CC.Controller) { |
// update controller value in the engine channel's controller table |
939 |
case 64: { |
pEngineChannel->ControllerTable[itControlChangeEvent->Param.CC.Controller] = itControlChangeEvent->Param.CC.Value; |
940 |
if (itControlChangeEvent->Param.CC.Value >= 64 && !pEngineChannel->SustainPedal) { |
|
941 |
|
// move event from the unsorted event list to the control change event list |
942 |
|
Pool<Event>::Iterator itControlChangeEventOnCCList = itControlChangeEvent.moveToEndOf(pEngineChannel->pCCEvents); |
943 |
|
|
944 |
|
switch (itControlChangeEventOnCCList->Param.CC.Controller) { |
945 |
|
case 7: { // volume |
946 |
|
//TODO: not sample accurate yet |
947 |
|
pEngineChannel->GlobalVolume = (float) itControlChangeEventOnCCList->Param.CC.Value / 127.0f; |
948 |
|
break; |
949 |
|
} |
950 |
|
case 10: { // panpot |
951 |
|
//TODO: not sample accurate yet |
952 |
|
const int pan = (int) itControlChangeEventOnCCList->Param.CC.Value - 64; |
953 |
|
pEngineChannel->GlobalPanLeft = 1.0f - float(RTMath::Max(pan, 0)) / 63.0f; |
954 |
|
pEngineChannel->GlobalPanRight = 1.0f - float(RTMath::Min(pan, 0)) / -64.0f; |
955 |
|
break; |
956 |
|
} |
957 |
|
case 64: { // sustain |
958 |
|
if (itControlChangeEventOnCCList->Param.CC.Value >= 64 && !pEngineChannel->SustainPedal) { |
959 |
dmsg(4,("PEDAL DOWN\n")); |
dmsg(4,("PEDAL DOWN\n")); |
960 |
pEngineChannel->SustainPedal = true; |
pEngineChannel->SustainPedal = true; |
961 |
|
|
962 |
// cancel release process of voices if necessary |
// cancel release process of voices if necessary |
963 |
RTList<uint>::Iterator iuiKey = pEngineChannel->pActiveKeys->first(); |
RTList<uint>::Iterator iuiKey = pEngineChannel->pActiveKeys->first(); |
964 |
if (iuiKey) { |
for (; iuiKey; ++iuiKey) { |
965 |
itControlChangeEvent->Type = Event::type_cancel_release; // transform event type |
midi_key_info_t* pKey = &pEngineChannel->pMIDIKeyInfo[*iuiKey]; |
966 |
while (iuiKey) { |
if (!pKey->KeyPressed) { |
967 |
midi_key_info_t* pKey = &pEngineChannel->pMIDIKeyInfo[*iuiKey]; |
RTList<Event>::Iterator itNewEvent = pKey->pEvents->allocAppend(); |
968 |
++iuiKey; |
if (itNewEvent) { |
969 |
if (!pKey->KeyPressed) { |
*itNewEvent = *itControlChangeEventOnCCList; // copy event to the key's own event list |
970 |
RTList<Event>::Iterator itNewEvent = pKey->pEvents->allocAppend(); |
itNewEvent->Type = Event::type_cancel_release; // transform event type |
|
if (itNewEvent) *itNewEvent = *itControlChangeEvent; // copy event to the key's own event list |
|
|
else dmsg(1,("Event pool emtpy!\n")); |
|
971 |
} |
} |
972 |
|
else dmsg(1,("Event pool emtpy!\n")); |
973 |
} |
} |
974 |
} |
} |
975 |
} |
} |
976 |
if (itControlChangeEvent->Param.CC.Value < 64 && pEngineChannel->SustainPedal) { |
if (itControlChangeEventOnCCList->Param.CC.Value < 64 && pEngineChannel->SustainPedal) { |
977 |
dmsg(4,("PEDAL UP\n")); |
dmsg(4,("PEDAL UP\n")); |
978 |
pEngineChannel->SustainPedal = false; |
pEngineChannel->SustainPedal = false; |
979 |
|
|
980 |
// release voices if their respective key is not pressed |
// release voices if their respective key is not pressed |
981 |
RTList<uint>::Iterator iuiKey = pEngineChannel->pActiveKeys->first(); |
RTList<uint>::Iterator iuiKey = pEngineChannel->pActiveKeys->first(); |
982 |
if (iuiKey) { |
for (; iuiKey; ++iuiKey) { |
983 |
itControlChangeEvent->Type = Event::type_release; // transform event type |
midi_key_info_t* pKey = &pEngineChannel->pMIDIKeyInfo[*iuiKey]; |
984 |
while (iuiKey) { |
if (!pKey->KeyPressed) { |
985 |
midi_key_info_t* pKey = &pEngineChannel->pMIDIKeyInfo[*iuiKey]; |
RTList<Event>::Iterator itNewEvent = pKey->pEvents->allocAppend(); |
986 |
++iuiKey; |
if (itNewEvent) { |
987 |
if (!pKey->KeyPressed) { |
*itNewEvent = *itControlChangeEventOnCCList; // copy event to the key's own event list |
988 |
RTList<Event>::Iterator itNewEvent = pKey->pEvents->allocAppend(); |
itNewEvent->Type = Event::type_release; // transform event type |
|
if (itNewEvent) *itNewEvent = *itControlChangeEvent; // copy event to the key's own event list |
|
|
else dmsg(1,("Event pool emtpy!\n")); |
|
989 |
} |
} |
990 |
|
else dmsg(1,("Event pool emtpy!\n")); |
991 |
} |
} |
992 |
} |
} |
993 |
} |
} |
994 |
break; |
break; |
995 |
} |
} |
|
} |
|
996 |
|
|
|
// update controller value in the engine's controller table |
|
|
pEngineChannel->ControllerTable[itControlChangeEvent->Param.CC.Controller] = itControlChangeEvent->Param.CC.Value; |
|
997 |
|
|
998 |
// move event from the unsorted event list to the control change event list |
// Channel Mode Messages |
999 |
itControlChangeEvent.moveToEndOf(pCCEvents); |
|
1000 |
|
case 120: { // all sound off |
1001 |
|
KillAllVoices(pEngineChannel, itControlChangeEventOnCCList); |
1002 |
|
break; |
1003 |
|
} |
1004 |
|
case 121: { // reset all controllers |
1005 |
|
pEngineChannel->ResetControllers(); |
1006 |
|
break; |
1007 |
|
} |
1008 |
|
case 123: { // all notes off |
1009 |
|
ReleaseAllVoices(pEngineChannel, itControlChangeEventOnCCList); |
1010 |
|
break; |
1011 |
|
} |
1012 |
|
} |
1013 |
} |
} |
1014 |
|
|
1015 |
/** |
/** |
1096 |
} |
} |
1097 |
|
|
1098 |
/** |
/** |
1099 |
|
* Releases all voices on an engine channel. All voices will go into |
1100 |
|
* the release stage and thus it might take some time (e.g. dependant to |
1101 |
|
* their envelope release time) until they actually die. |
1102 |
|
* |
1103 |
|
* @param pEngineChannel - engine channel on which all voices should be released |
1104 |
|
* @param itReleaseEvent - event which caused this releasing of all voices |
1105 |
|
*/ |
1106 |
|
void Engine::ReleaseAllVoices(EngineChannel* pEngineChannel, Pool<Event>::Iterator& itReleaseEvent) { |
1107 |
|
RTList<uint>::Iterator iuiKey = pEngineChannel->pActiveKeys->first(); |
1108 |
|
while (iuiKey) { |
1109 |
|
midi_key_info_t* pKey = &pEngineChannel->pMIDIKeyInfo[*iuiKey]; |
1110 |
|
++iuiKey; |
1111 |
|
// append a 'release' event to the key's own event list |
1112 |
|
RTList<Event>::Iterator itNewEvent = pKey->pEvents->allocAppend(); |
1113 |
|
if (itNewEvent) { |
1114 |
|
*itNewEvent = *itReleaseEvent; // copy original event (to the key's event list) |
1115 |
|
itNewEvent->Type = Event::type_release; // transform event type |
1116 |
|
} |
1117 |
|
else dmsg(1,("Event pool emtpy!\n")); |
1118 |
|
} |
1119 |
|
} |
1120 |
|
|
1121 |
|
/** |
1122 |
|
* Kills all voices on an engine channel as soon as possible. Voices |
1123 |
|
* won't get into release state, their volume level will be ramped down |
1124 |
|
* as fast as possible. |
1125 |
|
* |
1126 |
|
* @param pEngineChannel - engine channel on which all voices should be killed |
1127 |
|
* @param itKillEvent - event which caused this killing of all voices |
1128 |
|
*/ |
1129 |
|
void Engine::KillAllVoices(EngineChannel* pEngineChannel, Pool<Event>::Iterator& itKillEvent) { |
1130 |
|
RTList<uint>::Iterator iuiKey = pEngineChannel->pActiveKeys->first(); |
1131 |
|
RTList<uint>::Iterator end = pEngineChannel->pActiveKeys->end(); |
1132 |
|
while (iuiKey != end) { // iterate through all active keys |
1133 |
|
midi_key_info_t* pKey = &pEngineChannel->pMIDIKeyInfo[*iuiKey]; |
1134 |
|
++iuiKey; |
1135 |
|
RTList<Voice>::Iterator itVoice = pKey->pActiveVoices->first(); |
1136 |
|
RTList<Voice>::Iterator itVoicesEnd = pKey->pActiveVoices->end(); |
1137 |
|
for (; itVoice != itVoicesEnd; ++itVoice) { // iterate through all voices on this key |
1138 |
|
itVoice->Kill(itKillEvent); |
1139 |
|
} |
1140 |
|
} |
1141 |
|
} |
1142 |
|
|
1143 |
|
/** |
1144 |
* Initialize the parameter sequence for the modulation destination given by |
* Initialize the parameter sequence for the modulation destination given by |
1145 |
* by 'dst' with the constant value given by val. |
* by 'dst' with the constant value given by val. |
1146 |
*/ |
*/ |
1153 |
m[i+2] = val; |
m[i+2] = val; |
1154 |
m[i+3] = val; |
m[i+3] = val; |
1155 |
} |
} |
1156 |
} |
} |
1157 |
|
|
1158 |
uint Engine::VoiceCount() { |
uint Engine::VoiceCount() { |
1159 |
return ActiveVoiceCount; |
return ActiveVoiceCount; |
1184 |
} |
} |
1185 |
|
|
1186 |
String Engine::EngineName() { |
String Engine::EngineName() { |
1187 |
return "GigEngine"; |
return LS_GIG_ENGINE_NAME; |
1188 |
} |
} |
1189 |
|
|
1190 |
String Engine::Description() { |
String Engine::Description() { |
1192 |
} |
} |
1193 |
|
|
1194 |
String Engine::Version() { |
String Engine::Version() { |
1195 |
String s = "$Revision: 1.26 $"; |
String s = "$Revision: 1.34 $"; |
1196 |
return s.substr(11, s.size() - 13); // cut dollar signs, spaces and CVS macro keyword |
return s.substr(11, s.size() - 13); // cut dollar signs, spaces and CVS macro keyword |
1197 |
} |
} |
1198 |
|
|