35 |
pVoices[i] = new Voice(pDiskThread); |
pVoices[i] = new Voice(pDiskThread); |
36 |
} |
} |
37 |
for (uint i = 0; i < 128; i++) { |
for (uint i = 0; i < 128; i++) { |
38 |
pActiveVoices[i] = new RTEList<Voice*>; |
pMIDIKeyInfo[i].pActiveVoices = new RTEList<Voice*>; |
39 |
|
pMIDIKeyInfo[i].hSustainPtr = NULL; |
40 |
|
pMIDIKeyInfo[i].Sustained = false; |
41 |
} |
} |
42 |
SustainedKeyPool = new RTELMemoryPool<sustained_key_t>(MAX_AUDIO_VOICES); |
SustainedKeyPool = new RTELMemoryPool<uint>(128); |
43 |
|
|
44 |
pAudioSumBuffer = new float[pAudioIO->FragmentSize * pAudioIO->Channels]; |
pAudioSumBuffer = new float[pAudioIO->FragmentSize * pAudioIO->Channels]; |
45 |
|
|
178 |
void AudioThread::ActivateVoice(uint8_t MIDIKey, uint8_t Velocity) { |
void AudioThread::ActivateVoice(uint8_t MIDIKey, uint8_t Velocity) { |
179 |
for (int i = 0; i < MAX_AUDIO_VOICES; i++) { |
for (int i = 0; i < MAX_AUDIO_VOICES; i++) { |
180 |
if (pVoices[i]->IsActive()) continue; |
if (pVoices[i]->IsActive()) continue; |
181 |
pVoices[i]->Trigger(MIDIKey, Velocity, this->pInstrument); |
|
182 |
// add (append) a new voice to the corresponding MIDIKey active voices list |
// add (append) a new voice to the corresponding MIDIKey active voices list |
183 |
Voice** new_voice_ptr = ActiveVoicePool->alloc_append(pActiveVoices[MIDIKey]); |
Voice** new_voice_ptr = ActiveVoicePool->alloc_append(pMIDIKeyInfo[MIDIKey].pActiveVoices); |
184 |
*new_voice_ptr = pVoices[i]; |
*new_voice_ptr = pVoices[i]; |
185 |
pVoices[i]->pSelfPtr = new_voice_ptr; // FIXME: hack to allow fast deallocation |
pVoices[i]->pSelfPtr = new_voice_ptr; // FIXME: hack to allow fast deallocation |
186 |
|
pVoices[i]->Trigger(MIDIKey, Velocity, this->pInstrument); |
187 |
|
|
188 |
|
if (!pMIDIKeyInfo[MIDIKey].hSustainPtr) { |
189 |
|
dmsg(4,("ActivateVoice(uint,uint): hSustainPtr == null, setting release pointer to the last voice on the key...\n")); |
190 |
|
pMIDIKeyInfo[MIDIKey].pActiveVoices->last(); |
191 |
|
pMIDIKeyInfo[MIDIKey].hSustainPtr = pMIDIKeyInfo[MIDIKey].pActiveVoices->current(); |
192 |
|
} |
193 |
return; |
return; |
194 |
} |
} |
195 |
std::cerr << "No free voice!" << std::endl << std::flush; |
std::cerr << "No free voice!" << std::endl << std::flush; |
196 |
} |
} |
197 |
|
|
198 |
|
/** |
199 |
|
* Releases the voices on the given key if sustain pedal is not pressed. |
200 |
|
* If sustain is pressed, the release of the note will be postponed until |
201 |
|
* sustain pedal will be released or voice turned inactive by itself (e.g. |
202 |
|
* due to completion of sample playback). |
203 |
|
*/ |
204 |
void AudioThread::ReleaseVoice(uint8_t MIDIKey, uint8_t Velocity) { |
void AudioThread::ReleaseVoice(uint8_t MIDIKey, uint8_t Velocity) { |
205 |
// if sustain pedal is pressed postpone the Note-Off |
midi_key_info_t* pmidikey = &pMIDIKeyInfo[MIDIKey]; |
206 |
if (SustainPedal) { |
if (SustainPedal) { // if sustain pedal is pressed postpone the Note-Off |
207 |
// alloc an element in the SustainedKeyPool and add the current midikey to it |
if (pmidikey->hSustainPtr) { |
208 |
sustained_key_t* key = SustainedKeyPool->alloc(); |
// stick the note-off information to the respective voice |
209 |
if (key == NULL) printf("ERROR: SustainedKeyPool FULL ! exiting\n"); // FIXME |
Voice** pVoiceToRelease = pmidikey->pActiveVoices->set_current(pmidikey->hSustainPtr); |
210 |
key->midikey = MIDIKey; |
if (pVoiceToRelease) { |
211 |
key->velocity = Velocity; |
(*pVoiceToRelease)->ReleaseVelocity = Velocity; |
212 |
|
// now increment the sustain pointer |
213 |
|
pmidikey->pActiveVoices->next(); |
214 |
|
pmidikey->hSustainPtr = pmidikey->pActiveVoices->current(); |
215 |
|
// if the key was not sustained yet, add it's MIDI key number to the sustained key pool |
216 |
|
if (!pmidikey->Sustained) { |
217 |
|
uint* sustainedmidikey = SustainedKeyPool->alloc(); |
218 |
|
*sustainedmidikey = MIDIKey; |
219 |
|
pmidikey->Sustained = true; |
220 |
|
} |
221 |
|
} |
222 |
|
else dmsg(3,("Ignoring NOTE OFF --> pVoiceToRelease == null!\n")); |
223 |
|
} |
224 |
|
else dmsg(3,("Ignoring NOTE OFF, seems like more Note-Offs than Note-Ons or no free voices available?\n")); |
225 |
} |
} |
226 |
else { |
else { |
227 |
// get the first voice in the list of active voices on the MIDI Key |
// get the first voice in the list of active voices on the MIDI Key |
228 |
Voice** pVoicePtr = pActiveVoices[MIDIKey]->first(); |
Voice** pVoicePtr = pmidikey->pActiveVoices->first(); |
229 |
if (pVoicePtr) ReleaseVoice(*pVoicePtr); |
if (pVoicePtr) ReleaseVoice(*pVoicePtr); |
230 |
else std::cerr << "Couldn't find active voice for note off command!" << std::endl << std::flush; |
else dmsg(2,("Couldn't find active voice for note off command, maybe already released.\n")); |
231 |
} |
} |
232 |
} |
} |
233 |
|
|
234 |
|
/** |
235 |
|
* Releases the voice given with pVoice (no matter if sustain is pressed or |
236 |
|
* not). This method will e.g. be directly called if a voice went inactive |
237 |
|
* by itself. If susatain pedal is pressed the method takes care to free |
238 |
|
* those sustain informations of the voice. |
239 |
|
*/ |
240 |
void AudioThread::ReleaseVoice(Voice* pVoice) { |
void AudioThread::ReleaseVoice(Voice* pVoice) { |
241 |
if (pVoice) { |
if (pVoice) { |
242 |
if (pVoice->IsActive()) pVoice->Kill(); //TODO: for now we're rude and just kill the poor, poor voice immediately :), later we add a Release() method to the Voice class and call it here to let the voice go through it's release phase |
if (pVoice->IsActive()) pVoice->Kill(); //TODO: for now we're rude and just kill the poor, poor voice immediately :), later we add a Release() method to the Voice class and call it here to let the voice go through it's release phase |
243 |
|
|
244 |
// remove the voice from the list associated to this MIDI key |
if (pMIDIKeyInfo[pVoice->MIDIKey].Sustained) { |
245 |
ActiveVoicePool->free(pVoice->pSelfPtr); |
|
246 |
|
// check if the sustain pointer has to be moved, now that we release the voice |
247 |
|
RTEList<Voice*>::NodeHandle hSustainPtr = pMIDIKeyInfo[pVoice->MIDIKey].hSustainPtr; |
248 |
|
if (hSustainPtr) { |
249 |
|
Voice** pVoicePtr = pMIDIKeyInfo[pVoice->MIDIKey].pActiveVoices->set_current(hSustainPtr); |
250 |
|
if (pVoicePtr) { |
251 |
|
if (*pVoicePtr == pVoice) { // move sustain pointer to the next sustained voice |
252 |
|
dmsg(3,("Correcting sustain pointer\n")); |
253 |
|
pMIDIKeyInfo[pVoice->MIDIKey].pActiveVoices->next(); |
254 |
|
pMIDIKeyInfo[pVoice->MIDIKey].hSustainPtr = pMIDIKeyInfo[pVoice->MIDIKey].pActiveVoices->current(); |
255 |
|
} |
256 |
|
else dmsg(4,("ReleaseVoice(Voice*): *hSustain != pVoice\n")); |
257 |
|
} |
258 |
|
else dmsg(3,("ReleaseVoice(Voice*): pVoicePtr == null\n")); |
259 |
|
} |
260 |
|
else dmsg(3,("ReleaseVoice(Voice*): hSustainPtr == null\n")); |
261 |
|
|
262 |
|
// remove the voice from the list associated with this MIDI key |
263 |
|
ActiveVoicePool->free(pVoice->pSelfPtr); |
264 |
|
|
265 |
|
// check if there are no sustained voices left on the MIDI key and update the key info if so |
266 |
|
if (pMIDIKeyInfo[pVoice->MIDIKey].pActiveVoices->is_empty()) { |
267 |
|
pMIDIKeyInfo[pVoice->MIDIKey].hSustainPtr = NULL; |
268 |
|
pMIDIKeyInfo[pVoice->MIDIKey].Sustained = false; |
269 |
|
dmsg(3,("Key now not sustained\n")); |
270 |
|
} |
271 |
|
} |
272 |
|
else { |
273 |
|
// remove the voice from the list associated with this MIDI key |
274 |
|
ActiveVoicePool->free(pVoice->pSelfPtr); |
275 |
|
dmsg(4,("Key was not sustained\n")); |
276 |
|
} |
277 |
} |
} |
278 |
else std::cerr << "Couldn't find active voice to release!" << std::endl << std::flush; |
else std::cerr << "Couldn't release voice! (pVoice == NULL)\n" << std::flush; |
279 |
} |
} |
280 |
|
|
281 |
void AudioThread::ContinuousController(uint8_t Channel, uint8_t Number, uint8_t Value) { |
void AudioThread::ContinuousController(uint8_t Channel, uint8_t Number, uint8_t Value) { |
288 |
if (Value < 64 && PrevHoldCCValue >= 64) { |
if (Value < 64 && PrevHoldCCValue >= 64) { |
289 |
dmsg(4,("PEDAL UP\n")); |
dmsg(4,("PEDAL UP\n")); |
290 |
SustainPedal = false; |
SustainPedal = false; |
291 |
for (sustained_key_t* key = SustainedKeyPool->first(); key; key = SustainedKeyPool->next()) { |
// iterate through all keys that are currently sustained |
292 |
ReleaseVoice(key->midikey, key->velocity); |
for (uint* key = SustainedKeyPool->first(); key; key = SustainedKeyPool->next()) { |
293 |
|
// release all active voices on the midi key |
294 |
|
Voice** pVoicePtr = pMIDIKeyInfo[*key].pActiveVoices->first(); |
295 |
|
while (pVoicePtr) { |
296 |
|
Voice** pVoicePtrNext = pMIDIKeyInfo[*key].pActiveVoices->next(); |
297 |
|
dmsg(3,("Sustain CC: releasing voice on midi key %d\n", *key)); |
298 |
|
ReleaseVoice(*pVoicePtr); |
299 |
|
pVoicePtr = pVoicePtrNext; |
300 |
|
} |
301 |
} |
} |
302 |
// empty the SustainedKeyPool (free all the elements) |
// empty the SustainedKeyPool (free all the elements) |
303 |
SustainedKeyPool->empty(); |
SustainedKeyPool->empty(); |