1 |
schoenebeck |
53 |
/*************************************************************************** |
2 |
|
|
* * |
3 |
|
|
* LinuxSampler - modular, streaming capable sampler * |
4 |
|
|
* * |
5 |
persson |
1644 |
* Copyright (C) 2003,2004 by Benno Senoner and Christian Schoenebeck * |
6 |
persson |
2072 |
* Copyright (C) 2005-2008 Christian Schoenebeck * |
7 |
|
|
* Copyright (C) 2009-2010 Christian Schoenebeck and Grigor Iliev * |
8 |
schoenebeck |
53 |
* * |
9 |
|
|
* This program is free software; you can redistribute it and/or modify * |
10 |
|
|
* it under the terms of the GNU General Public License as published by * |
11 |
|
|
* the Free Software Foundation; either version 2 of the License, or * |
12 |
|
|
* (at your option) any later version. * |
13 |
|
|
* * |
14 |
|
|
* This program is distributed in the hope that it will be useful, * |
15 |
|
|
* but WITHOUT ANY WARRANTY; without even the implied warranty of * |
16 |
|
|
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the * |
17 |
|
|
* GNU General Public License for more details. * |
18 |
|
|
* * |
19 |
|
|
* You should have received a copy of the GNU General Public License * |
20 |
|
|
* along with this program; if not, write to the Free Software * |
21 |
|
|
* Foundation, Inc., 59 Temple Place, Suite 330, Boston, * |
22 |
|
|
* MA 02111-1307 USA * |
23 |
|
|
***************************************************************************/ |
24 |
|
|
|
25 |
|
|
#include "Engine.h" |
26 |
iliev |
2012 |
#include "EngineChannel.h" |
27 |
schoenebeck |
2600 |
#include "InstrumentScriptVM.h" |
28 |
schoenebeck |
53 |
|
29 |
|
|
namespace LinuxSampler { namespace gig { |
30 |
iliev |
2012 |
Engine::Format Engine::GetEngineFormat() { return GIG; } |
31 |
schoenebeck |
53 |
|
32 |
schoenebeck |
2600 |
LinuxSampler::InstrumentScriptVM* Engine::CreateInstrumentScriptVM() { |
33 |
|
|
return new InstrumentScriptVM; // gig format specific extended script runner |
34 |
|
|
} |
35 |
|
|
|
36 |
schoenebeck |
412 |
/** |
37 |
iliev |
2012 |
* Reacts on supported control change commands (e.g. pitch bend wheel, |
38 |
|
|
* modulation wheel, aftertouch). |
39 |
schoenebeck |
412 |
* |
40 |
iliev |
2012 |
* @param pEngineChannel - engine channel on which this event occured on |
41 |
|
|
* @param itControlChangeEvent - controller, value and time stamp of the event |
42 |
schoenebeck |
412 |
*/ |
43 |
iliev |
2012 |
void Engine::ProcessControlChange ( |
44 |
|
|
LinuxSampler::EngineChannel* pEngineChannel, |
45 |
|
|
Pool<Event>::Iterator& itControlChangeEvent |
46 |
|
|
) { |
47 |
|
|
dmsg(4,("Engine::ContinuousController cc=%d v=%d\n", itControlChangeEvent->Param.CC.Controller, itControlChangeEvent->Param.CC.Value)); |
48 |
persson |
1039 |
|
49 |
iliev |
2012 |
EngineChannel* pChannel = dynamic_cast<EngineChannel*>(pEngineChannel); |
50 |
|
|
// handle the "control triggered" MIDI rule: a control change |
51 |
|
|
// event can trigger a new note on or note off event |
52 |
|
|
if (pChannel->pInstrument) { |
53 |
schoenebeck |
411 |
|
54 |
iliev |
2012 |
::gig::MidiRule* rule; |
55 |
|
|
for (int i = 0 ; (rule = pChannel->pInstrument->GetMidiRule(i)) ; i++) { |
56 |
schoenebeck |
411 |
|
57 |
iliev |
2012 |
if (::gig::MidiRuleCtrlTrigger* ctrlTrigger = |
58 |
|
|
dynamic_cast< ::gig::MidiRuleCtrlTrigger*>(rule)) { |
59 |
|
|
if (itControlChangeEvent->Param.CC.Controller == |
60 |
|
|
ctrlTrigger->ControllerNumber) { |
61 |
persson |
1038 |
|
62 |
iliev |
2012 |
uint8_t oldCCValue = pChannel->ControllerTable[ |
63 |
|
|
itControlChangeEvent->Param.CC.Controller]; |
64 |
|
|
uint8_t newCCValue = itControlChangeEvent->Param.CC.Value; |
65 |
schoenebeck |
53 |
|
66 |
iliev |
2012 |
for (int i = 0 ; i < ctrlTrigger->Triggers ; i++) { |
67 |
|
|
::gig::MidiRuleCtrlTrigger::trigger_t* pTrigger = |
68 |
|
|
&ctrlTrigger->pTriggers[i]; |
69 |
schoenebeck |
53 |
|
70 |
iliev |
2012 |
// check if the controller has passed the |
71 |
|
|
// trigger point in the right direction |
72 |
|
|
if ((pTrigger->Descending && |
73 |
|
|
oldCCValue > pTrigger->TriggerPoint && |
74 |
|
|
newCCValue <= pTrigger->TriggerPoint) || |
75 |
|
|
(!pTrigger->Descending && |
76 |
|
|
oldCCValue < pTrigger->TriggerPoint && |
77 |
|
|
newCCValue >= pTrigger->TriggerPoint)) { |
78 |
schoenebeck |
53 |
|
79 |
iliev |
2012 |
RTList<Event>::Iterator itNewEvent = pGlobalEvents->allocAppend(); |
80 |
|
|
if (itNewEvent) { |
81 |
|
|
*itNewEvent = *itControlChangeEvent; |
82 |
|
|
itNewEvent->Param.Note.Key = pTrigger->Key; |
83 |
schoenebeck |
53 |
|
84 |
iliev |
2012 |
if (pTrigger->NoteOff || pTrigger->Velocity == 0) { |
85 |
|
|
itNewEvent->Type = Event::type_note_off; |
86 |
|
|
itNewEvent->Param.Note.Velocity = 100; |
87 |
schoenebeck |
53 |
|
88 |
iliev |
2012 |
ProcessNoteOff(pEngineChannel, itNewEvent); |
89 |
|
|
} else { |
90 |
|
|
itNewEvent->Type = Event::type_note_on; |
91 |
|
|
//TODO: if Velocity is 255, the triggered velocity should |
92 |
|
|
// depend on how fast the controller is moving |
93 |
|
|
itNewEvent->Param.Note.Velocity = |
94 |
|
|
pTrigger->Velocity == 255 ? 100 : |
95 |
|
|
pTrigger->Velocity; |
96 |
schoenebeck |
53 |
|
97 |
iliev |
2012 |
ProcessNoteOn(pEngineChannel, itNewEvent); |
98 |
|
|
} |
99 |
|
|
} |
100 |
|
|
else dmsg(1,("Event pool emtpy!\n")); |
101 |
|
|
} |
102 |
schoenebeck |
1321 |
} |
103 |
|
|
} |
104 |
|
|
} |
105 |
|
|
} |
106 |
|
|
} |
107 |
|
|
|
108 |
iliev |
2012 |
// update controller value in the engine channel's controller table |
109 |
|
|
pChannel->ControllerTable[itControlChangeEvent->Param.CC.Controller] = itControlChangeEvent->Param.CC.Value; |
110 |
schoenebeck |
1321 |
|
111 |
iliev |
2012 |
ProcessHardcodedControllers(pEngineChannel, itControlChangeEvent); |
112 |
schoenebeck |
1321 |
|
113 |
iliev |
2012 |
// handle FX send controllers |
114 |
|
|
ProcessFxSendControllers(pChannel, itControlChangeEvent); |
115 |
schoenebeck |
1321 |
} |
116 |
|
|
|
117 |
schoenebeck |
2559 |
void Engine::ProcessChannelPressure(LinuxSampler::EngineChannel* pEngineChannel, Pool<Event>::Iterator& itChannelPressureEvent) { |
118 |
|
|
// if required: engine global aftertouch handling (apart from the per voice handling) |
119 |
|
|
} |
120 |
|
|
|
121 |
|
|
void Engine::ProcessPolyphonicKeyPressure(LinuxSampler::EngineChannel* pEngineChannel, Pool<Event>::Iterator& itNotePressureEvent) { |
122 |
|
|
// if required: engine global aftertouch handling (apart from the per voice handling) |
123 |
|
|
} |
124 |
|
|
|
125 |
iliev |
2012 |
DiskThread* Engine::CreateDiskThread() { |
126 |
|
|
return new DiskThread ( |
127 |
|
|
iMaxDiskStreams, |
128 |
|
|
((pAudioOutputDevice->MaxSamplesPerCycle() << CONFIG_MAX_PITCH) << 1) + 6, //FIXME: assuming stereo |
129 |
|
|
&instruments |
130 |
|
|
); |
131 |
schoenebeck |
412 |
} |
132 |
|
|
|
133 |
iliev |
2012 |
void Engine::TriggerNewVoices ( |
134 |
|
|
LinuxSampler::EngineChannel* pEngineChannel, |
135 |
|
|
RTList<Event>::Iterator& itNoteOnEvent, |
136 |
|
|
bool HandleKeyGroupConflicts |
137 |
|
|
) { |
138 |
|
|
EngineChannel* pChannel = static_cast<EngineChannel*>(pEngineChannel); |
139 |
|
|
// first, get total amount of required voices (dependant on amount of layers) |
140 |
|
|
::gig::Region* pRegion = pChannel->pInstrument->GetRegion(itNoteOnEvent->Param.Note.Key); |
141 |
|
|
if (pRegion && !RegionSuspended(pRegion)) { |
142 |
|
|
int voicesRequired = pRegion->Layers; |
143 |
|
|
// now launch the required amount of voices |
144 |
|
|
for (int i = 0; i < voicesRequired; i++) |
145 |
|
|
LaunchVoice(pChannel, itNoteOnEvent, i, false, true, HandleKeyGroupConflicts); |
146 |
schoenebeck |
412 |
} |
147 |
persson |
438 |
} |
148 |
schoenebeck |
412 |
|
149 |
iliev |
2012 |
void Engine::TriggerReleaseVoices ( |
150 |
|
|
LinuxSampler::EngineChannel* pEngineChannel, |
151 |
|
|
RTList<Event>::Iterator& itNoteOffEvent |
152 |
|
|
) { |
153 |
|
|
EngineChannel* pChannel = static_cast<EngineChannel*>(pEngineChannel); |
154 |
|
|
MidiKey* pKey = &pChannel->pMIDIKeyInfo[itNoteOffEvent->Param.Note.Key]; |
155 |
|
|
// first, get total amount of required voices (dependant on amount of layers) |
156 |
|
|
::gig::Region* pRegion = pChannel->pInstrument->GetRegion(itNoteOffEvent->Param.Note.Key); |
157 |
|
|
if (pRegion) { |
158 |
|
|
int voicesRequired = pRegion->Layers; |
159 |
schoenebeck |
53 |
|
160 |
iliev |
2012 |
// MIDI note-on velocity is used instead of note-off velocity |
161 |
|
|
itNoteOffEvent->Param.Note.Velocity = pKey->Velocity; |
162 |
schoenebeck |
53 |
|
163 |
iliev |
2012 |
// now launch the required amount of voices |
164 |
|
|
for (int i = 0; i < voicesRequired; i++) |
165 |
|
|
LaunchVoice(pChannel, itNoteOffEvent, i, true, false, false); //FIXME: for the moment we don't perform voice stealing for release triggered samples |
166 |
schoenebeck |
53 |
} |
167 |
schoenebeck |
412 |
} |
168 |
|
|
|
169 |
iliev |
2012 |
Pool<Voice>::Iterator Engine::LaunchVoice ( |
170 |
|
|
LinuxSampler::EngineChannel* pEngineChannel, |
171 |
|
|
Pool<Event>::Iterator& itNoteOnEvent, |
172 |
|
|
int iLayer, |
173 |
|
|
bool ReleaseTriggerVoice, |
174 |
|
|
bool VoiceStealing, |
175 |
|
|
bool HandleKeyGroupConflicts |
176 |
|
|
) { |
177 |
|
|
EngineChannel* pChannel = static_cast<EngineChannel*>(pEngineChannel); |
178 |
|
|
int MIDIKey = itNoteOnEvent->Param.Note.Key; |
179 |
|
|
EngineChannel::MidiKey* pKey = &pChannel->pMIDIKeyInfo[MIDIKey]; |
180 |
|
|
::gig::Region* pRegion = pChannel->pInstrument->GetRegion(MIDIKey); |
181 |
schoenebeck |
53 |
|
182 |
schoenebeck |
668 |
// if nothing defined for this key |
183 |
|
|
if (!pRegion) return Pool<Voice>::Iterator(); // nothing to do |
184 |
|
|
|
185 |
persson |
2114 |
int iKeyGroup = pRegion->KeyGroup; |
186 |
|
|
// only need to send a group event from the first voice in a layered region, |
187 |
|
|
// as all layers in a region always belongs to the same key group |
188 |
|
|
if (HandleKeyGroupConflicts && iLayer == 0) pChannel->HandleKeyGroupConflicts(iKeyGroup, itNoteOnEvent); |
189 |
schoenebeck |
669 |
|
190 |
|
|
Voice::type_t VoiceType = Voice::type_normal; |
191 |
|
|
|
192 |
|
|
// get current dimension values to select the right dimension region |
193 |
|
|
//TODO: for stolen voices this dimension region selection block is processed twice, this should be changed |
194 |
|
|
//FIXME: controller values for selecting the dimension region here are currently not sample accurate |
195 |
|
|
uint DimValues[8] = { 0 }; |
196 |
|
|
for (int i = pRegion->Dimensions - 1; i >= 0; i--) { |
197 |
|
|
switch (pRegion->pDimensionDefinitions[i].dimension) { |
198 |
|
|
case ::gig::dimension_samplechannel: |
199 |
|
|
DimValues[i] = 0; //TODO: we currently ignore this dimension |
200 |
|
|
break; |
201 |
|
|
case ::gig::dimension_layer: |
202 |
|
|
DimValues[i] = iLayer; |
203 |
|
|
break; |
204 |
|
|
case ::gig::dimension_velocity: |
205 |
|
|
DimValues[i] = itNoteOnEvent->Param.Note.Velocity; |
206 |
|
|
break; |
207 |
|
|
case ::gig::dimension_channelaftertouch: |
208 |
iliev |
2012 |
DimValues[i] = pChannel->ControllerTable[128]; |
209 |
schoenebeck |
669 |
break; |
210 |
|
|
case ::gig::dimension_releasetrigger: |
211 |
|
|
VoiceType = (ReleaseTriggerVoice) ? Voice::type_release_trigger : (!iLayer) ? Voice::type_release_trigger_required : Voice::type_normal; |
212 |
|
|
DimValues[i] = (uint) ReleaseTriggerVoice; |
213 |
|
|
break; |
214 |
|
|
case ::gig::dimension_keyboard: |
215 |
iliev |
2012 |
DimValues[i] = (uint) (pChannel->CurrentKeyDimension * pRegion->pDimensionDefinitions[i].zones); |
216 |
schoenebeck |
669 |
break; |
217 |
|
|
case ::gig::dimension_roundrobin: |
218 |
persson |
2043 |
DimValues[i] = uint(*pChannel->pMIDIKeyInfo[MIDIKey].pRoundRobinIndex % pRegion->pDimensionDefinitions[i].zones); // RoundRobinIndex is incremented for each note on in this Region |
219 |
schoenebeck |
669 |
break; |
220 |
persson |
2043 |
case ::gig::dimension_roundrobinkeyboard: |
221 |
|
|
DimValues[i] = uint(pChannel->RoundRobinIndex % pRegion->pDimensionDefinitions[i].zones); // RoundRobinIndex is incremented for each note on |
222 |
|
|
break; |
223 |
schoenebeck |
669 |
case ::gig::dimension_random: |
224 |
persson |
2072 |
DimValues[i] = uint(Random() * pRegion->pDimensionDefinitions[i].zones); |
225 |
schoenebeck |
669 |
break; |
226 |
|
|
case ::gig::dimension_modwheel: |
227 |
iliev |
2012 |
DimValues[i] = pChannel->ControllerTable[1]; |
228 |
schoenebeck |
669 |
break; |
229 |
|
|
case ::gig::dimension_breath: |
230 |
iliev |
2012 |
DimValues[i] = pChannel->ControllerTable[2]; |
231 |
schoenebeck |
669 |
break; |
232 |
|
|
case ::gig::dimension_foot: |
233 |
iliev |
2012 |
DimValues[i] = pChannel->ControllerTable[4]; |
234 |
schoenebeck |
669 |
break; |
235 |
|
|
case ::gig::dimension_portamentotime: |
236 |
iliev |
2012 |
DimValues[i] = pChannel->ControllerTable[5]; |
237 |
schoenebeck |
669 |
break; |
238 |
|
|
case ::gig::dimension_effect1: |
239 |
iliev |
2012 |
DimValues[i] = pChannel->ControllerTable[12]; |
240 |
schoenebeck |
669 |
break; |
241 |
|
|
case ::gig::dimension_effect2: |
242 |
iliev |
2012 |
DimValues[i] = pChannel->ControllerTable[13]; |
243 |
schoenebeck |
669 |
break; |
244 |
|
|
case ::gig::dimension_genpurpose1: |
245 |
iliev |
2012 |
DimValues[i] = pChannel->ControllerTable[16]; |
246 |
schoenebeck |
669 |
break; |
247 |
|
|
case ::gig::dimension_genpurpose2: |
248 |
iliev |
2012 |
DimValues[i] = pChannel->ControllerTable[17]; |
249 |
schoenebeck |
669 |
break; |
250 |
|
|
case ::gig::dimension_genpurpose3: |
251 |
iliev |
2012 |
DimValues[i] = pChannel->ControllerTable[18]; |
252 |
schoenebeck |
669 |
break; |
253 |
|
|
case ::gig::dimension_genpurpose4: |
254 |
iliev |
2012 |
DimValues[i] = pChannel->ControllerTable[19]; |
255 |
schoenebeck |
669 |
break; |
256 |
|
|
case ::gig::dimension_sustainpedal: |
257 |
iliev |
2012 |
DimValues[i] = pChannel->ControllerTable[64]; |
258 |
schoenebeck |
669 |
break; |
259 |
|
|
case ::gig::dimension_portamento: |
260 |
iliev |
2012 |
DimValues[i] = pChannel->ControllerTable[65]; |
261 |
schoenebeck |
669 |
break; |
262 |
|
|
case ::gig::dimension_sostenutopedal: |
263 |
iliev |
2012 |
DimValues[i] = pChannel->ControllerTable[66]; |
264 |
schoenebeck |
669 |
break; |
265 |
|
|
case ::gig::dimension_softpedal: |
266 |
iliev |
2012 |
DimValues[i] = pChannel->ControllerTable[67]; |
267 |
schoenebeck |
669 |
break; |
268 |
|
|
case ::gig::dimension_genpurpose5: |
269 |
iliev |
2012 |
DimValues[i] = pChannel->ControllerTable[80]; |
270 |
schoenebeck |
669 |
break; |
271 |
|
|
case ::gig::dimension_genpurpose6: |
272 |
iliev |
2012 |
DimValues[i] = pChannel->ControllerTable[81]; |
273 |
schoenebeck |
669 |
break; |
274 |
|
|
case ::gig::dimension_genpurpose7: |
275 |
iliev |
2012 |
DimValues[i] = pChannel->ControllerTable[82]; |
276 |
schoenebeck |
669 |
break; |
277 |
|
|
case ::gig::dimension_genpurpose8: |
278 |
iliev |
2012 |
DimValues[i] = pChannel->ControllerTable[83]; |
279 |
schoenebeck |
669 |
break; |
280 |
|
|
case ::gig::dimension_effect1depth: |
281 |
iliev |
2012 |
DimValues[i] = pChannel->ControllerTable[91]; |
282 |
schoenebeck |
669 |
break; |
283 |
|
|
case ::gig::dimension_effect2depth: |
284 |
iliev |
2012 |
DimValues[i] = pChannel->ControllerTable[92]; |
285 |
schoenebeck |
669 |
break; |
286 |
|
|
case ::gig::dimension_effect3depth: |
287 |
iliev |
2012 |
DimValues[i] = pChannel->ControllerTable[93]; |
288 |
schoenebeck |
669 |
break; |
289 |
|
|
case ::gig::dimension_effect4depth: |
290 |
iliev |
2012 |
DimValues[i] = pChannel->ControllerTable[94]; |
291 |
schoenebeck |
669 |
break; |
292 |
|
|
case ::gig::dimension_effect5depth: |
293 |
iliev |
2012 |
DimValues[i] = pChannel->ControllerTable[95]; |
294 |
schoenebeck |
669 |
break; |
295 |
|
|
case ::gig::dimension_none: |
296 |
|
|
std::cerr << "gig::Engine::LaunchVoice() Error: dimension=none\n" << std::flush; |
297 |
|
|
break; |
298 |
|
|
default: |
299 |
|
|
std::cerr << "gig::Engine::LaunchVoice() Error: Unknown dimension\n" << std::flush; |
300 |
|
|
} |
301 |
|
|
} |
302 |
persson |
1038 |
|
303 |
|
|
// return if this is a release triggered voice and there is no |
304 |
|
|
// releasetrigger dimension (could happen if an instrument |
305 |
|
|
// change has occured between note on and off) |
306 |
persson |
2115 |
if (ReleaseTriggerVoice && !(VoiceType & Voice::type_release_trigger)) return Pool<Voice>::Iterator(); |
307 |
persson |
1038 |
|
308 |
schoenebeck |
2600 |
|
309 |
|
|
::gig::DimensionRegion* pDimRgn; |
310 |
|
|
if (!itNoteOnEvent->Format.Gig.DimMask) { // normal case ... |
311 |
|
|
pDimRgn = pRegion->GetDimensionRegionByValue(DimValues); |
312 |
|
|
} else { // some dimension zones were overridden (i.e. by instrument script) ... |
313 |
|
|
int index = pRegion->GetDimensionRegionIndexByValue(DimValues); |
314 |
|
|
index &= ~itNoteOnEvent->Format.Gig.DimMask; |
315 |
|
|
index |= itNoteOnEvent->Format.Gig.DimBits & itNoteOnEvent->Format.Gig.DimMask; |
316 |
|
|
pDimRgn = pRegion->pDimensionRegions[index & 255]; |
317 |
|
|
} |
318 |
schoenebeck |
2565 |
if (!pDimRgn) return Pool<Voice>::Iterator(); // error (could not resolve dimension region) |
319 |
schoenebeck |
669 |
|
320 |
|
|
// no need to continue if sample is silent |
321 |
|
|
if (!pDimRgn->pSample || !pDimRgn->pSample->SamplesTotal) return Pool<Voice>::Iterator(); |
322 |
|
|
|
323 |
schoenebeck |
233 |
// allocate a new voice for the key |
324 |
schoenebeck |
271 |
Pool<Voice>::Iterator itNewVoice = pKey->pActiveVoices->allocAppend(); |
325 |
schoenebeck |
285 |
|
326 |
iliev |
2027 |
int res = InitNewVoice ( |
327 |
|
|
pChannel, pDimRgn, itNoteOnEvent, VoiceType, iLayer, |
328 |
|
|
iKeyGroup, ReleaseTriggerVoice, VoiceStealing, itNewVoice |
329 |
|
|
); |
330 |
|
|
if (!res) return itNewVoice; |
331 |
|
|
|
332 |
schoenebeck |
271 |
return Pool<Voice>::Iterator(); // no free voice or error |
333 |
schoenebeck |
233 |
} |
334 |
|
|
|
335 |
schoenebeck |
53 |
bool Engine::DiskStreamSupported() { |
336 |
|
|
return true; |
337 |
|
|
} |
338 |
|
|
|
339 |
|
|
String Engine::Description() { |
340 |
iliev |
2012 |
return "GigaSampler Format Engine"; |
341 |
schoenebeck |
53 |
} |
342 |
|
|
|
343 |
|
|
String Engine::Version() { |
344 |
schoenebeck |
2494 |
String s = "$Revision$"; |
345 |
schoenebeck |
123 |
return s.substr(11, s.size() - 13); // cut dollar signs, spaces and CVS macro keyword |
346 |
schoenebeck |
53 |
} |
347 |
|
|
|
348 |
|
|
}} // namespace LinuxSampler::gig |