1 |
|
2 |
/*************************************************************************** |
3 |
* * |
4 |
* LinuxSampler - modular, streaming capable sampler * |
5 |
* * |
6 |
* Copyright (C) 2003, 2004 by Benno Senoner and Christian Schoenebeck * |
7 |
* Copyright (C) 2005 - 2020 Christian Schoenebeck * |
8 |
* * |
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 <sstream> |
26 |
|
27 |
#include "InstrumentResourceManager.h" |
28 |
#include "EngineChannel.h" |
29 |
#include "Engine.h" |
30 |
|
31 |
#include "../../common/global_private.h" |
32 |
#include "../../plugins/InstrumentEditorFactory.h" |
33 |
|
34 |
namespace LinuxSampler { namespace gig { |
35 |
|
36 |
// some data needed for the libgig callback function |
37 |
struct progress_callback_arg_t { |
38 |
InstrumentResourceManager* pManager; |
39 |
InstrumentManager::instrument_id_t* pInstrumentKey; |
40 |
}; |
41 |
|
42 |
// we use this to react on events concerning an instrument on behalf of an instrument editor |
43 |
class InstrumentEditorProxy : public InstrumentConsumer { |
44 |
public: |
45 |
virtual ~InstrumentEditorProxy() {} |
46 |
|
47 |
virtual void ResourceToBeUpdated(::gig::Instrument* pResource, void*& pUpdateArg) { |
48 |
//TODO: inform the instrument editor about the pending update |
49 |
} |
50 |
|
51 |
virtual void ResourceUpdated(::gig::Instrument* pOldResource, ::gig::Instrument* pNewResource, void* pUpdateArg) { |
52 |
//TODO:: inform the instrument editor about finished update |
53 |
} |
54 |
|
55 |
virtual void OnResourceProgress(float fProgress) { |
56 |
//TODO: inform the instrument editor about the progress of an update |
57 |
} |
58 |
|
59 |
// the instrument we borrowed on behalf of the editor |
60 |
::gig::Instrument* pInstrument; |
61 |
// the instrument editor we work on behalf |
62 |
InstrumentEditor* pEditor; |
63 |
}; |
64 |
|
65 |
/** |
66 |
* Callback function which will be called by libgig during loading of |
67 |
* instruments to inform about the current progress. Or to be more |
68 |
* specific; it will be called during the GetInstrument() call. |
69 |
* |
70 |
* @param pProgress - contains current progress value, pointer to the |
71 |
* InstrumentResourceManager instance and |
72 |
* instrument ID |
73 |
*/ |
74 |
void InstrumentResourceManager::OnInstrumentLoadingProgress(::gig::progress_t* pProgress) { |
75 |
dmsg(7,("gig::InstrumentResourceManager: progress %f%%", pProgress->factor)); |
76 |
progress_callback_arg_t* pArg = static_cast<progress_callback_arg_t*>(pProgress->custom); |
77 |
// we randomly schedule 90% for the .gig file loading and the remaining 10% later for sample caching |
78 |
const float localProgress = 0.9f * pProgress->factor; |
79 |
pArg->pManager->DispatchResourceProgressEvent(*pArg->pInstrumentKey, localProgress); |
80 |
} |
81 |
|
82 |
String InstrumentResourceManager::GetInstrumentName(instrument_id_t ID) { |
83 |
Lock(); |
84 |
::gig::Instrument* pInstrument = Resource(ID, false); |
85 |
String res = (pInstrument) ? pInstrument->pInfo->Name : ""; |
86 |
Unlock(); |
87 |
return res; |
88 |
} |
89 |
|
90 |
String InstrumentResourceManager::GetInstrumentDataStructureName(instrument_id_t ID) { |
91 |
return ::gig::libraryName(); |
92 |
} |
93 |
|
94 |
String InstrumentResourceManager::GetInstrumentDataStructureVersion(instrument_id_t ID) { |
95 |
return ::gig::libraryVersion(); |
96 |
} |
97 |
|
98 |
std::vector<InstrumentResourceManager::instrument_id_t> InstrumentResourceManager::GetInstrumentFileContent(String File) throw (InstrumentManagerException) { |
99 |
::RIFF::File* riff = NULL; |
100 |
::gig::File* gig = NULL; |
101 |
try { |
102 |
std::vector<instrument_id_t> result; |
103 |
riff = new ::RIFF::File(File); |
104 |
gig = new ::gig::File(riff); |
105 |
gig->SetAutoLoad(false); // avoid time consuming samples scanning |
106 |
for (int i = 0; gig->GetInstrument(i); i++) { |
107 |
instrument_id_t id; |
108 |
id.FileName = File; |
109 |
id.Index = i; |
110 |
result.push_back(id); |
111 |
} |
112 |
if (gig) delete gig; |
113 |
if (riff) delete riff; |
114 |
return result; |
115 |
} catch (::RIFF::Exception e) { |
116 |
if (gig) delete gig; |
117 |
if (riff) delete riff; |
118 |
throw InstrumentManagerException(e.Message); |
119 |
} catch (...) { |
120 |
if (gig) delete gig; |
121 |
if (riff) delete riff; |
122 |
throw InstrumentManagerException("Unknown exception while trying to parse '" + File + "'"); |
123 |
} |
124 |
} |
125 |
|
126 |
InstrumentResourceManager::instrument_info_t InstrumentResourceManager::GetInstrumentInfo(instrument_id_t ID) throw (InstrumentManagerException) { |
127 |
Lock(); |
128 |
::gig::Instrument* pInstrument = Resource(ID, false); |
129 |
bool loaded = (pInstrument != NULL); |
130 |
if (!loaded) Unlock(); |
131 |
|
132 |
::RIFF::File* riff = NULL; |
133 |
::gig::File* gig = NULL; |
134 |
try { |
135 |
if (!loaded) { |
136 |
riff = new ::RIFF::File(ID.FileName); |
137 |
gig = new ::gig::File(riff); |
138 |
gig->SetAutoLoad(false); // avoid time consuming samples scanning |
139 |
pInstrument = gig->GetInstrument(ID.Index); |
140 |
} |
141 |
|
142 |
if (!pInstrument) throw InstrumentManagerException("There is no instrument " + ToString(ID.Index) + " in " + ID.FileName); |
143 |
|
144 |
instrument_info_t info; |
145 |
for (int i = 0; i < 128; i++) { info.KeyBindings[i] = info.KeySwitchBindings[i] = 0; } |
146 |
|
147 |
::gig::File* pFile = (::gig::File*) pInstrument->GetParent(); |
148 |
|
149 |
if (pFile->pVersion) { |
150 |
info.FormatVersion = ToString(pFile->pVersion->major); |
151 |
info.Product = pFile->pInfo->Product; |
152 |
info.Artists = pFile->pInfo->Artists; |
153 |
} |
154 |
|
155 |
info.InstrumentName = pInstrument->pInfo->Name; |
156 |
|
157 |
::gig::Region* pRegion = pInstrument->GetFirstRegion(); |
158 |
while (pRegion) { |
159 |
int low = pRegion->KeyRange.low; |
160 |
int high = pRegion->KeyRange.high; |
161 |
if (low < 0 || low > 127 || high < 0 || high > 127 || low > high) { |
162 |
std::cerr << "Invalid key range: " << low << " - " << high << std::endl; |
163 |
} else { |
164 |
for (int i = low; i <= high; i++) info.KeyBindings[i] = 1; |
165 |
} |
166 |
|
167 |
pRegion = pInstrument->GetNextRegion(); |
168 |
} |
169 |
|
170 |
if (loaded) { // retrieve keyswitching only if the instrument is fully loaded. |
171 |
|
172 |
// only return keyswitch range if keyswitching is used |
173 |
bool hasKeyswitches = false; |
174 |
for (::gig::Region* pRegion = pInstrument->GetFirstRegion() ; |
175 |
pRegion && !hasKeyswitches ; |
176 |
pRegion = pInstrument->GetNextRegion()) { |
177 |
for (int i = 0 ; i < pRegion->Dimensions ; i++) { |
178 |
if (pRegion->pDimensionDefinitions[i].dimension == ::gig::dimension_keyboard) { |
179 |
hasKeyswitches = true; |
180 |
break; |
181 |
} |
182 |
} |
183 |
} |
184 |
|
185 |
if (hasKeyswitches) { |
186 |
int low = pInstrument->DimensionKeyRange.low; |
187 |
int high = pInstrument->DimensionKeyRange.high; |
188 |
if (low < 0 || low > 127 || high < 0 || high > 127 || low > high) { |
189 |
std::cerr << "Invalid keyswitch range: " << low << " - " << high << std::endl; |
190 |
} else { |
191 |
for (int i = low; i <= high; i++) info.KeySwitchBindings[i] = 1; |
192 |
} |
193 |
} |
194 |
} |
195 |
|
196 |
if (loaded) Unlock(); |
197 |
|
198 |
if (gig) delete gig; |
199 |
if (riff) delete riff; |
200 |
return info; |
201 |
} catch (::RIFF::Exception e) { |
202 |
if (loaded) Unlock(); |
203 |
if (gig) delete gig; |
204 |
if (riff) delete riff; |
205 |
throw InstrumentManagerException(e.Message); |
206 |
} catch (...) { |
207 |
if (loaded) Unlock(); |
208 |
if (gig) delete gig; |
209 |
if (riff) delete riff; |
210 |
throw InstrumentManagerException("Unknown exception while trying to parse '" + ID.FileName + "'"); |
211 |
} |
212 |
} |
213 |
|
214 |
InstrumentEditor* InstrumentResourceManager::LaunchInstrumentEditor(LinuxSampler::EngineChannel* pEngineChannel, instrument_id_t ID, void* pUserData) throw (InstrumentManagerException) { |
215 |
const String sDataType = GetInstrumentDataStructureName(ID); |
216 |
const String sDataVersion = GetInstrumentDataStructureVersion(ID); |
217 |
// find instrument editors capable to handle given instrument |
218 |
std::vector<String> vEditors = |
219 |
InstrumentEditorFactory::MatchingEditors(sDataType, sDataVersion); |
220 |
if (!vEditors.size()) |
221 |
throw InstrumentManagerException( |
222 |
"There is no instrument editor capable to handle this instrument" |
223 |
); |
224 |
// simply use the first editor in the result set |
225 |
dmsg(1,("Found matching editor '%s' for instrument ('%s', %d) having data structure ('%s','%s')\n", |
226 |
vEditors[0].c_str(), ID.FileName.c_str(), ID.Index, sDataType.c_str(), sDataVersion.c_str())); |
227 |
InstrumentEditor* pEditor = InstrumentEditorFactory::Create(vEditors[0]); |
228 |
// register for receiving notifications from the instrument editor |
229 |
pEditor->AddListener(this); |
230 |
// create a proxy that reacts on notification on behalf of the editor |
231 |
InstrumentEditorProxy* pProxy = new InstrumentEditorProxy; |
232 |
// borrow the instrument on behalf of the instrument editor |
233 |
::gig::Instrument* pInstrument = Borrow(ID, pProxy); |
234 |
// remember the proxy and instrument for this instrument editor |
235 |
pProxy->pInstrument = pInstrument; |
236 |
pProxy->pEditor = pEditor; |
237 |
InstrumentEditorProxiesMutex.Lock(); |
238 |
InstrumentEditorProxies.add(pProxy); |
239 |
InstrumentEditorProxiesMutex.Unlock(); |
240 |
// launch the instrument editor for the given instrument |
241 |
pEditor->Launch(pEngineChannel, pInstrument, sDataType, sDataVersion, pUserData); |
242 |
|
243 |
// register the instrument editor as virtual MIDI device as well ... |
244 |
VirtualMidiDevice* pVirtualMidiDevice = |
245 |
dynamic_cast<VirtualMidiDevice*>(pEditor); |
246 |
if (!pVirtualMidiDevice) { |
247 |
std::cerr << "Instrument editor not a virtual MIDI device\n" << std::flush; |
248 |
return pEditor; |
249 |
} |
250 |
// NOTE: for now connect the virtual MIDI keyboard of the instrument editor (if any) with all engine channels that have the same instrument as the editor was opened for ( other ideas ? ) |
251 |
Lock(); |
252 |
std::set<EngineChannel*> engineChannels = |
253 |
GetEngineChannelsUsing(pInstrument, false/*don't lock again*/); |
254 |
std::set<EngineChannel*>::iterator iter = engineChannels.begin(); |
255 |
std::set<EngineChannel*>::iterator end = engineChannels.end(); |
256 |
for (; iter != end; ++iter) (static_cast<AbstractEngineChannel*>(*iter))->Connect(pVirtualMidiDevice); |
257 |
Unlock(); |
258 |
|
259 |
return pEditor; |
260 |
} |
261 |
|
262 |
/** |
263 |
* Will be called by the respective instrument editor once it left its |
264 |
* Main() loop. That way we can handle cleanup before its thread finally |
265 |
* dies. |
266 |
* |
267 |
* @param pSender - instrument editor that stops execution |
268 |
*/ |
269 |
void InstrumentResourceManager::OnInstrumentEditorQuit(InstrumentEditor* pSender) { |
270 |
dmsg(1,("InstrumentResourceManager: instrument editor quit, doing cleanup\n")); |
271 |
|
272 |
::gig::Instrument* pInstrument = NULL; |
273 |
InstrumentEditorProxy* pProxy = NULL; |
274 |
int iProxyIndex = -1; |
275 |
|
276 |
// first find the editor proxy entry for this editor |
277 |
{ |
278 |
LockGuard lock(InstrumentEditorProxiesMutex); |
279 |
for (int i = 0; i < InstrumentEditorProxies.size(); i++) { |
280 |
InstrumentEditorProxy* pCurProxy = |
281 |
dynamic_cast<InstrumentEditorProxy*>( |
282 |
InstrumentEditorProxies[i] |
283 |
); |
284 |
if (pCurProxy->pEditor == pSender) { |
285 |
pProxy = pCurProxy; |
286 |
iProxyIndex = i; |
287 |
pInstrument = pCurProxy->pInstrument; |
288 |
} |
289 |
} |
290 |
} |
291 |
|
292 |
if (!pProxy) { |
293 |
std::cerr << "Eeeek, could not find instrument editor proxy, " |
294 |
"this is a bug!\n" << std::flush; |
295 |
return; |
296 |
} |
297 |
|
298 |
// now unregister editor as not being available as a virtual MIDI device anymore |
299 |
VirtualMidiDevice* pVirtualMidiDevice = |
300 |
dynamic_cast<VirtualMidiDevice*>(pSender); |
301 |
if (pVirtualMidiDevice) { |
302 |
Lock(); |
303 |
// NOTE: see note in LaunchInstrumentEditor() |
304 |
std::set<EngineChannel*> engineChannels = |
305 |
GetEngineChannelsUsing(pInstrument, false/*don't lock again*/); |
306 |
std::set<EngineChannel*>::iterator iter = engineChannels.begin(); |
307 |
std::set<EngineChannel*>::iterator end = engineChannels.end(); |
308 |
for (; iter != end; ++iter) (*iter)->Disconnect(pVirtualMidiDevice); |
309 |
Unlock(); |
310 |
} else { |
311 |
std::cerr << "Could not unregister editor as not longer acting as " |
312 |
"virtual MIDI device. Wasn't it registered?\n" |
313 |
<< std::flush; |
314 |
} |
315 |
|
316 |
// finally delete proxy entry and hand back instrument |
317 |
if (pInstrument) { |
318 |
{ |
319 |
LockGuard lock(InstrumentEditorProxiesMutex); |
320 |
InstrumentEditorProxies.remove(iProxyIndex); |
321 |
} |
322 |
|
323 |
HandBack(pInstrument, pProxy); |
324 |
delete pProxy; |
325 |
} |
326 |
|
327 |
// Note that we don't need to free the editor here. As it |
328 |
// derives from Thread, it will delete itself when the thread |
329 |
// dies. |
330 |
} |
331 |
|
332 |
#if 0 // currently unused : |
333 |
/** |
334 |
* Try to inform the respective instrument editor(s), that a note on |
335 |
* event just occured. This method is called by the MIDI thread. If any |
336 |
* obstacles are in the way (e.g. if a wait for an unlock would be |
337 |
* required) we give up immediately, since the RT safeness of the MIDI |
338 |
* thread has absolute priority. |
339 |
*/ |
340 |
void InstrumentResourceManager::TrySendNoteOnToEditors(uint8_t Key, uint8_t Velocity, ::gig::Instrument* pInstrument) { |
341 |
const bool bGotLock = InstrumentEditorProxiesMutex.Trylock(); // naively assumes RT safe implementation |
342 |
if (!bGotLock) return; // hell, forget it, not worth the hassle |
343 |
for (int i = 0; i < InstrumentEditorProxies.size(); i++) { |
344 |
InstrumentEditorProxy* pProxy = |
345 |
dynamic_cast<InstrumentEditorProxy*>( |
346 |
InstrumentEditorProxies[i] |
347 |
); |
348 |
if (pProxy->pInstrument == pInstrument) |
349 |
pProxy->pEditor->SendNoteOnToDevice(Key, Velocity); |
350 |
} |
351 |
InstrumentEditorProxiesMutex.Unlock(); // naively assumes RT safe implementation |
352 |
} |
353 |
|
354 |
/** |
355 |
* Try to inform the respective instrument editor(s), that a note off |
356 |
* event just occured. This method is called by the MIDI thread. If any |
357 |
* obstacles are in the way (e.g. if a wait for an unlock would be |
358 |
* required) we give up immediately, since the RT safeness of the MIDI |
359 |
* thread has absolute priority. |
360 |
*/ |
361 |
void InstrumentResourceManager::TrySendNoteOffToEditors(uint8_t Key, uint8_t Velocity, ::gig::Instrument* pInstrument) { |
362 |
const bool bGotLock = InstrumentEditorProxiesMutex.Trylock(); // naively assumes RT safe implementation |
363 |
if (!bGotLock) return; // hell, forget it, not worth the hassle |
364 |
for (int i = 0; i < InstrumentEditorProxies.size(); i++) { |
365 |
InstrumentEditorProxy* pProxy = |
366 |
dynamic_cast<InstrumentEditorProxy*>( |
367 |
InstrumentEditorProxies[i] |
368 |
); |
369 |
if (pProxy->pInstrument == pInstrument) |
370 |
pProxy->pEditor->SendNoteOffToDevice(Key, Velocity); |
371 |
} |
372 |
InstrumentEditorProxiesMutex.Unlock(); // naively assumes RT safe implementation |
373 |
} |
374 |
#endif // unused |
375 |
|
376 |
void InstrumentResourceManager::OnSamplesToBeRemoved(std::set<void*> Samples, InstrumentEditor* pSender) { |
377 |
if (Samples.empty()) { |
378 |
std::cerr << "gig::InstrumentResourceManager: WARNING, " |
379 |
"OnSamplesToBeRemoved() called with empty list, this " |
380 |
"is a bug!\n" << std::flush; |
381 |
return; |
382 |
} |
383 |
// TODO: ATM we assume here that all samples are from the same file |
384 |
::gig::Sample* pFirstSample = (::gig::Sample*) *Samples.begin(); |
385 |
::gig::File* pCriticalFile = dynamic_cast< ::gig::File*>(pFirstSample->GetParent()); |
386 |
// completely suspend all engines that use that same file |
387 |
SuspendEnginesUsing(pCriticalFile); |
388 |
} |
389 |
|
390 |
void InstrumentResourceManager::OnSamplesRemoved(InstrumentEditor* pSender) { |
391 |
// resume all previously, completely suspended engines |
392 |
// (we don't have to un-cache the removed samples here, since that is |
393 |
// automatically done by the gig::Sample destructor) |
394 |
ResumeAllEngines(); |
395 |
} |
396 |
|
397 |
void InstrumentResourceManager::OnDataStructureToBeChanged(void* pStruct, String sStructType, InstrumentEditor* pSender) { |
398 |
dmsg(5,("gig::InstrumentResourceManager::OnDataStructureToBeChanged(%s)\n", sStructType.c_str())); |
399 |
//TODO: remove code duplication |
400 |
if (sStructType == "gig::File") { |
401 |
// completely suspend all engines that use that file |
402 |
::gig::File* pFile = (::gig::File*) pStruct; |
403 |
SuspendEnginesUsing(pFile); |
404 |
} else if (sStructType == "gig::Instrument") { |
405 |
// completely suspend all engines that use that instrument |
406 |
::gig::Instrument* pInstrument = (::gig::Instrument*) pStruct; |
407 |
SuspendEnginesUsing(pInstrument); |
408 |
} else if (sStructType == "gig::Region") { |
409 |
// only advice the engines to suspend the given region, so they'll |
410 |
// only ignore that region (and probably already other suspended |
411 |
// ones), but beside that continue normal playback |
412 |
::gig::Region* pRegion = (::gig::Region*) pStruct; |
413 |
::gig::Instrument* pInstrument = |
414 |
(::gig::Instrument*) pRegion->GetParent(); |
415 |
Lock(); |
416 |
std::set<Engine*> engines = |
417 |
GetEnginesUsing(pInstrument, false/*don't lock again*/); |
418 |
std::set<Engine*>::iterator iter = engines.begin(); |
419 |
std::set<Engine*>::iterator end = engines.end(); |
420 |
for (; iter != end; ++iter) (*iter)->Suspend(pRegion); |
421 |
Unlock(); |
422 |
} else if (sStructType == "gig::DimensionRegion") { |
423 |
// only advice the engines to suspend the given DimensionRegions's |
424 |
// parent region, so they'll only ignore that region (and probably |
425 |
// already other suspended ones), but beside that continue normal |
426 |
// playback |
427 |
::gig::DimensionRegion* pDimReg = |
428 |
(::gig::DimensionRegion*) pStruct; |
429 |
::gig::Region* pRegion = pDimReg->GetParent(); |
430 |
::gig::Instrument* pInstrument = |
431 |
(::gig::Instrument*) pRegion->GetParent(); |
432 |
Lock(); |
433 |
std::set<Engine*> engines = |
434 |
GetEnginesUsing(pInstrument, false/*don't lock again*/); |
435 |
std::set<Engine*>::iterator iter = engines.begin(); |
436 |
std::set<Engine*>::iterator end = engines.end(); |
437 |
for (; iter != end; ++iter) (*iter)->Suspend(pRegion); |
438 |
Unlock(); |
439 |
} else if (sStructType == "gig::Script") { |
440 |
// no need to suspend anything here, since the sampler is |
441 |
// processing a translated VM representation of the original script |
442 |
// source code, not accessing the source code itself during playback |
443 |
::gig::Script* pScript = (::gig::Script*) pStruct; |
444 |
// remember the original source code of the script, since the script |
445 |
// resource manager uses the source code as key |
446 |
pendingScriptUpdatesMutex.Lock(); |
447 |
pendingScriptUpdates[pScript] = pScript->GetScriptAsText(); |
448 |
pendingScriptUpdatesMutex.Unlock(); |
449 |
} else { |
450 |
std::cerr << "gig::InstrumentResourceManager: ERROR, unknown data " |
451 |
"structure '" << sStructType << "' requested to be " |
452 |
"suspended by instrument editor. This is a bug!\n" |
453 |
<< std::flush; |
454 |
//TODO: we should inform the instrument editor that something seriously went wrong |
455 |
} |
456 |
} |
457 |
|
458 |
void InstrumentResourceManager::OnDataStructureChanged(void* pStruct, String sStructType, InstrumentEditor* pSender) { |
459 |
dmsg(5,("gig::InstrumentResourceManager::OnDataStructureChanged(%s)\n", sStructType.c_str())); |
460 |
//TODO: remove code duplication |
461 |
if (sStructType == "gig::File") { |
462 |
// resume all previously suspended engines |
463 |
ResumeAllEngines(); |
464 |
} else if (sStructType == "gig::Instrument") { |
465 |
// resume all previously suspended engines |
466 |
ResumeAllEngines(); |
467 |
} else if (sStructType == "gig::Sample") { |
468 |
// we're assuming here, that OnDataStructureToBeChanged() with |
469 |
// "gig::File" was called previously, so we won't resume anything |
470 |
// here, but just re-cache the given sample |
471 |
Lock(); |
472 |
::gig::Sample* pSample = (::gig::Sample*) pStruct; |
473 |
::gig::File* pFile = (::gig::File*) pSample->GetParent(); |
474 |
UncacheInitialSamples(pSample); |
475 |
// now re-cache ... |
476 |
std::vector< ::gig::Instrument*> instruments = |
477 |
GetInstrumentsCurrentlyUsedOf(pFile, false/*don't lock again*/); |
478 |
for (int i = 0; i < instruments.size(); i++) { |
479 |
if (SampleReferencedByInstrument(pSample, instruments[i])) { |
480 |
std::set<EngineChannel*> engineChannels = |
481 |
GetEngineChannelsUsing(instruments[i], false/*don't lock again*/); |
482 |
std::set<EngineChannel*>::iterator iter = engineChannels.begin(); |
483 |
std::set<EngineChannel*>::iterator end = engineChannels.end(); |
484 |
for (; iter != end; ++iter) |
485 |
CacheInitialSamples(pSample, *iter); |
486 |
} |
487 |
} |
488 |
Unlock(); |
489 |
} else if (sStructType == "gig::Region") { |
490 |
// advice the engines to resume the given region, that is to |
491 |
// using it for playback again |
492 |
::gig::Region* pRegion = (::gig::Region*) pStruct; |
493 |
::gig::Instrument* pInstrument = |
494 |
(::gig::Instrument*) pRegion->GetParent(); |
495 |
Lock(); |
496 |
std::set<Engine*> engines = |
497 |
GetEnginesUsing(pInstrument, false/*don't lock again*/); |
498 |
std::set<Engine*>::iterator iter = engines.begin(); |
499 |
std::set<Engine*>::iterator end = engines.end(); |
500 |
for (; iter != end; ++iter) (*iter)->Resume(pRegion); |
501 |
Unlock(); |
502 |
} else if (sStructType == "gig::DimensionRegion") { |
503 |
// advice the engines to resume the given DimensionRegion's parent |
504 |
// region, that is to using it for playback again |
505 |
::gig::DimensionRegion* pDimReg = |
506 |
(::gig::DimensionRegion*) pStruct; |
507 |
::gig::Region* pRegion = pDimReg->GetParent(); |
508 |
::gig::Instrument* pInstrument = |
509 |
(::gig::Instrument*) pRegion->GetParent(); |
510 |
Lock(); |
511 |
std::set<Engine*> engines = |
512 |
GetEnginesUsing(pInstrument, false/*don't lock again*/); |
513 |
std::set<Engine*>::iterator iter = engines.begin(); |
514 |
std::set<Engine*>::iterator end = engines.end(); |
515 |
for (; iter != end; ++iter) (*iter)->Resume(pRegion); |
516 |
Unlock(); |
517 |
} else if (sStructType == "gig::Script") { |
518 |
// inform all engine channels which are using this script, that |
519 |
// they need to reload (parse) the script's source code text |
520 |
::gig::Script* pScript = (::gig::Script*) pStruct; |
521 |
pendingScriptUpdatesMutex.Lock(); |
522 |
if (pendingScriptUpdates.count(pScript)) { |
523 |
const String& code = pendingScriptUpdates[pScript]; |
524 |
std::set<EngineChannel*> channels = GetEngineChannelsUsingScriptSourceCode(code, true/*lock*/); |
525 |
pendingScriptUpdates.erase(pScript); |
526 |
std::set<EngineChannel*>::iterator iter = channels.begin(); |
527 |
std::set<EngineChannel*>::iterator end = channels.end(); |
528 |
for (; iter != end; ++iter) (*iter)->reloadScript(pScript); |
529 |
} |
530 |
pendingScriptUpdatesMutex.Unlock(); |
531 |
} else { |
532 |
std::cerr << "gig::InstrumentResourceManager: ERROR, unknown data " |
533 |
"structure '" << sStructType << "' requested to be " |
534 |
"resumed by instrument editor. This is a bug!\n" |
535 |
<< std::flush; |
536 |
//TODO: we should inform the instrument editor that something seriously went wrong |
537 |
} |
538 |
} |
539 |
|
540 |
void InstrumentResourceManager::OnSampleReferenceChanged(void* pOldSample, void* pNewSample, InstrumentEditor* pSender) { |
541 |
// uncache old sample in case it's not used by anybody anymore |
542 |
if (pOldSample) { |
543 |
Lock(); |
544 |
::gig::Sample* pSample = (::gig::Sample*) pOldSample; |
545 |
::gig::File* pFile = (::gig::File*) pSample->GetParent(); |
546 |
bool bSampleStillInUse = false; |
547 |
std::vector< ::gig::Instrument*> instruments = |
548 |
GetInstrumentsCurrentlyUsedOf(pFile, false/*don't lock again*/); |
549 |
for (int i = 0; i < instruments.size(); i++) { |
550 |
if (SampleReferencedByInstrument(pSample, instruments[i])) { |
551 |
bSampleStillInUse = true; |
552 |
break; |
553 |
} |
554 |
} |
555 |
if (!bSampleStillInUse) UncacheInitialSamples(pSample); |
556 |
Unlock(); |
557 |
} |
558 |
// make sure new sample reference is cached |
559 |
if (pNewSample) { |
560 |
Lock(); |
561 |
::gig::Sample* pSample = (::gig::Sample*) pNewSample; |
562 |
::gig::File* pFile = (::gig::File*) pSample->GetParent(); |
563 |
// get all engines that use that same gig::File |
564 |
std::set<Engine*> engines = GetEnginesUsing(pFile, false/*don't lock again*/); |
565 |
std::set<Engine*>::iterator iter = engines.begin(); |
566 |
std::set<Engine*>::iterator end = engines.end(); |
567 |
for (; iter != end; ++iter) |
568 |
CacheInitialSamples(pSample, *iter); |
569 |
Unlock(); |
570 |
} |
571 |
} |
572 |
|
573 |
::gig::Instrument* InstrumentResourceManager::Create(instrument_id_t Key, InstrumentConsumer* pConsumer, void*& pArg) { |
574 |
// get gig file from internal gig file manager |
575 |
::gig::File* pGig = Gigs.Borrow(Key.FileName, reinterpret_cast<GigConsumer*>(Key.Index)); // conversion kinda hackish :/ |
576 |
|
577 |
// we pass this to the progress callback mechanism of libgig |
578 |
progress_callback_arg_t callbackArg; |
579 |
callbackArg.pManager = this; |
580 |
callbackArg.pInstrumentKey = &Key; |
581 |
|
582 |
::gig::progress_t progress; |
583 |
progress.callback = OnInstrumentLoadingProgress; |
584 |
progress.custom = &callbackArg; |
585 |
|
586 |
dmsg(1,("Loading gig instrument ('%s',%d)...",Key.FileName.c_str(),Key.Index)); |
587 |
::gig::Instrument* pInstrument = pGig->GetInstrument(Key.Index, &progress); |
588 |
if (!pInstrument) { |
589 |
std::stringstream msg; |
590 |
msg << "There's no instrument with index " << Key.Index << "."; |
591 |
throw InstrumentManagerException(msg.str()); |
592 |
} |
593 |
pGig->GetFirstSample(); // just to force complete instrument loading |
594 |
dmsg(1,("OK\n")); |
595 |
|
596 |
uint maxSamplesPerCycle = GetMaxSamplesPerCycle(pConsumer); |
597 |
|
598 |
// cache initial samples points (for actually needed samples) |
599 |
dmsg(1,("Caching initial samples...")); |
600 |
uint iRegion = 0; // just for progress calculation |
601 |
::gig::Region* pRgn = pInstrument->GetFirstRegion(); |
602 |
while (pRgn) { |
603 |
// we randomly schedule 90% for the .gig file loading and the remaining 10% now for sample caching |
604 |
const float localProgress = 0.9f + 0.1f * (float) iRegion / (float) pInstrument->Regions; |
605 |
DispatchResourceProgressEvent(Key, localProgress); |
606 |
|
607 |
if (pRgn->GetSample() && !pRgn->GetSample()->GetCache().Size) { |
608 |
dmsg(2,("C")); |
609 |
CacheInitialSamples(pRgn->GetSample(), maxSamplesPerCycle); |
610 |
} |
611 |
for (uint i = 0; i < pRgn->DimensionRegions; i++) { |
612 |
CacheInitialSamples(pRgn->pDimensionRegions[i]->pSample, maxSamplesPerCycle); |
613 |
} |
614 |
|
615 |
pRgn = pInstrument->GetNextRegion(); |
616 |
iRegion++; |
617 |
} |
618 |
dmsg(1,("OK\n")); |
619 |
DispatchResourceProgressEvent(Key, 1.0f); // done; notify all consumers about progress 100% |
620 |
|
621 |
// we need the following for destruction later |
622 |
instr_entry_t* pEntry = new instr_entry_t; |
623 |
pEntry->ID.FileName = Key.FileName; |
624 |
pEntry->ID.Index = Key.Index; |
625 |
pEntry->pFile = pGig; |
626 |
|
627 |
// and we save this to check if we need to reallocate for an engine with higher value of 'MaxSamplesPerSecond' |
628 |
pEntry->MaxSamplesPerCycle = maxSamplesPerCycle; |
629 |
|
630 |
pArg = pEntry; |
631 |
|
632 |
return pInstrument; |
633 |
} |
634 |
|
635 |
void InstrumentResourceManager::Destroy(::gig::Instrument* pResource, void* pArg) { |
636 |
instr_entry_t* pEntry = (instr_entry_t*) pArg; |
637 |
// we don't need the .gig file here anymore |
638 |
Gigs.HandBack(pEntry->pFile, reinterpret_cast<GigConsumer*>(pEntry->ID.Index)); // conversion kinda hackish :/ |
639 |
delete pEntry; |
640 |
} |
641 |
|
642 |
void InstrumentResourceManager::DeleteRegionIfNotUsed(::gig::DimensionRegion* pRegion, region_info_t* pRegInfo) { |
643 |
// TODO: we could delete Region and Instrument here if they have become unused |
644 |
} |
645 |
|
646 |
void InstrumentResourceManager::DeleteSampleIfNotUsed(::gig::Sample* pSample, region_info_t* pRegInfo) { |
647 |
::gig::File* gig = pRegInfo->file; |
648 |
::RIFF::File* riff = static_cast< ::RIFF::File*>(pRegInfo->pArg); |
649 |
if (gig) { |
650 |
gig->DeleteSample(pSample); |
651 |
if (!gig->GetFirstSample()) { |
652 |
dmsg(2,("No more samples in use - freeing gig\n")); |
653 |
delete gig; |
654 |
delete riff; |
655 |
} |
656 |
} |
657 |
} |
658 |
|
659 |
/** |
660 |
* Just a wrapper around the other @c CacheInitialSamples() method. |
661 |
* |
662 |
* @param pSample - points to the sample to be cached |
663 |
* @param pEngine - pointer to Gig Engine Channel which caused this call |
664 |
* (may be NULL, in this case default amount of samples |
665 |
* will be cached) |
666 |
*/ |
667 |
void InstrumentResourceManager::CacheInitialSamples(::gig::Sample* pSample, EngineChannel* pEngineChannel) { |
668 |
Engine* pEngine = |
669 |
(pEngineChannel && pEngineChannel->GetEngine()) ? |
670 |
dynamic_cast<Engine*>(pEngineChannel->GetEngine()) : NULL; |
671 |
CacheInitialSamples(pSample, pEngine); |
672 |
} |
673 |
|
674 |
/** |
675 |
* Caches a certain size at the beginning of the given sample in RAM. If the |
676 |
* sample is very short, the whole sample will be loaded into RAM and thus |
677 |
* no disk streaming is needed for this sample. Caching an initial part of |
678 |
* samples is needed to compensate disk reading latency. |
679 |
* |
680 |
* @param pSample - points to the sample to be cached |
681 |
* @param pEngine - pointer to Gig Engine which caused this call |
682 |
* (may be NULL, in this case default amount of samples |
683 |
* will be cached) |
684 |
*/ |
685 |
void InstrumentResourceManager::CacheInitialSamples(::gig::Sample* pSample, AbstractEngine* pEngine) { |
686 |
uint maxSamplesPerCycle = |
687 |
(pEngine) ? pEngine->pAudioOutputDevice->MaxSamplesPerCycle() : |
688 |
DefaultMaxSamplesPerCycle(); |
689 |
CacheInitialSamples(pSample, maxSamplesPerCycle); |
690 |
} |
691 |
|
692 |
void InstrumentResourceManager::CacheInitialSamples(::gig::Sample* pSample, uint maxSamplesPerCycle) { |
693 |
if (!pSample) { |
694 |
dmsg(4,("gig::InstrumentResourceManager: Skipping sample (pSample == NULL)\n")); |
695 |
return; |
696 |
} |
697 |
if (!pSample->SamplesTotal) return; // skip zero size samples |
698 |
|
699 |
if (pSample->SamplesTotal <= CONFIG_PRELOAD_SAMPLES) { |
700 |
// Sample is too short for disk streaming, so we load the whole |
701 |
// sample into RAM and place 'pAudioIO->FragmentSize << CONFIG_MAX_PITCH' |
702 |
// number of '0' samples (silence samples) behind the official buffer |
703 |
// border, to allow the interpolator do it's work even at the end of |
704 |
// the sample. |
705 |
const uint neededSilenceSamples = uint((maxSamplesPerCycle << CONFIG_MAX_PITCH) + 6); |
706 |
const uint currentlyCachedSilenceSamples = uint(pSample->GetCache().NullExtensionSize / pSample->FrameSize); |
707 |
if (currentlyCachedSilenceSamples < neededSilenceSamples) { |
708 |
dmsg(3,("Caching whole sample (sample name: \"%s\", sample size: %llu)\n", pSample->pInfo->Name.c_str(), (long long)pSample->SamplesTotal)); |
709 |
::gig::buffer_t buf = pSample->LoadSampleDataWithNullSamplesExtension(neededSilenceSamples); |
710 |
dmsg(4,("Cached %llu Bytes, %llu silence bytes.\n", (long long)buf.Size, (long long)buf.NullExtensionSize)); |
711 |
} |
712 |
} |
713 |
else { // we only cache CONFIG_PRELOAD_SAMPLES and stream the other sample points from disk |
714 |
if (!pSample->GetCache().Size) pSample->LoadSampleData(CONFIG_PRELOAD_SAMPLES); |
715 |
} |
716 |
|
717 |
if (!pSample->GetCache().Size) std::cerr << "Unable to cache sample - maybe memory full!" << std::endl << std::flush; |
718 |
} |
719 |
|
720 |
void InstrumentResourceManager::UncacheInitialSamples(::gig::Sample* pSample) { |
721 |
dmsg(1,("Uncaching sample %p\n",(void*)pSample)); |
722 |
if (pSample->GetCache().Size) pSample->ReleaseSampleData(); |
723 |
} |
724 |
|
725 |
/** |
726 |
* Returns a list with all instruments currently in use, that are part of |
727 |
* the given file. |
728 |
* |
729 |
* @param pFile - search criteria |
730 |
* @param bLock - whether we should lock (mutex) the instrument manager |
731 |
* during this call and unlock at the end of this call |
732 |
*/ |
733 |
std::vector< ::gig::Instrument*> InstrumentResourceManager::GetInstrumentsCurrentlyUsedOf(::gig::File* pFile, bool bLock) { |
734 |
if (bLock) Lock(); |
735 |
std::vector< ::gig::Instrument*> result; |
736 |
std::vector< ::gig::Instrument*> allInstruments = Resources(false/*don't lock again*/); |
737 |
for (int i = 0; i < allInstruments.size(); i++) |
738 |
if ( |
739 |
(::gig::File*) allInstruments[i]->GetParent() |
740 |
== pFile |
741 |
) result.push_back(allInstruments[i]); |
742 |
if (bLock) Unlock(); |
743 |
return result; |
744 |
} |
745 |
|
746 |
/** |
747 |
* Returns a list with all gig engine channels that are currently using |
748 |
* the given real-time instrument script (provided as source code). |
749 |
* |
750 |
* @param pScript - search criteria |
751 |
* @param bLock - whether we should lock (mutex) the instrument manager |
752 |
* during this call and unlock at the end of this call |
753 |
*/ |
754 |
std::set<EngineChannel*> InstrumentResourceManager::GetEngineChannelsUsingScriptSourceCode(const String& code, bool bLock) { |
755 |
if (bLock) Lock(); |
756 |
std::set<EngineChannel*> result; |
757 |
std::set<InstrumentScriptConsumer*> consumers = scripts.ConsumersOf({ |
758 |
.code = code, |
759 |
.patchVars = std::map<String,String>(), // just required for GCC |
760 |
.wildcardPatchVars = true |
761 |
}); |
762 |
std::set<InstrumentScriptConsumer*>::iterator iter = consumers.begin(); |
763 |
std::set<InstrumentScriptConsumer*>::iterator end = consumers.end(); |
764 |
for (; iter != end; ++iter) { |
765 |
EngineChannel* pEngineChannel = dynamic_cast<EngineChannel*>(*iter); |
766 |
if (!pEngineChannel) continue; |
767 |
result.insert(pEngineChannel); |
768 |
} |
769 |
if (bLock) Unlock(); |
770 |
return result; |
771 |
} |
772 |
|
773 |
/** |
774 |
* Returns a list with all gig engine channels that are currently using |
775 |
* the given instrument. |
776 |
* |
777 |
* @param pInstrument - search criteria |
778 |
* @param bLock - whether we should lock (mutex) the instrument manager |
779 |
* during this call and unlock at the end of this call |
780 |
*/ |
781 |
std::set<EngineChannel*> InstrumentResourceManager::GetEngineChannelsUsing(::gig::Instrument* pInstrument, bool bLock) { |
782 |
if (bLock) Lock(); |
783 |
std::set<EngineChannel*> result; |
784 |
std::set<ResourceConsumer< ::gig::Instrument>*> consumers = ConsumersOf(pInstrument); |
785 |
std::set<ResourceConsumer< ::gig::Instrument>*>::iterator iter = consumers.begin(); |
786 |
std::set<ResourceConsumer< ::gig::Instrument>*>::iterator end = consumers.end(); |
787 |
for (; iter != end; ++iter) { |
788 |
EngineChannel* pEngineChannel = dynamic_cast<EngineChannel*>(*iter); |
789 |
if (!pEngineChannel) continue; |
790 |
result.insert(pEngineChannel); |
791 |
} |
792 |
if (bLock) Unlock(); |
793 |
return result; |
794 |
} |
795 |
|
796 |
/** |
797 |
* Returns a list with all gig Engines that are currently using the given |
798 |
* instrument. |
799 |
* |
800 |
* @param pInstrument - search criteria |
801 |
* @param bLock - whether we should lock (mutex) the instrument manager |
802 |
* during this call and unlock at the end of this call |
803 |
*/ |
804 |
std::set<Engine*> InstrumentResourceManager::GetEnginesUsing(::gig::Instrument* pInstrument, bool bLock) { |
805 |
if (bLock) Lock(); |
806 |
std::set<Engine*> result; |
807 |
std::set<ResourceConsumer< ::gig::Instrument>*> consumers = ConsumersOf(pInstrument); |
808 |
std::set<ResourceConsumer< ::gig::Instrument>*>::iterator iter = consumers.begin(); |
809 |
std::set<ResourceConsumer< ::gig::Instrument>*>::iterator end = consumers.end(); |
810 |
for (; iter != end; ++iter) { |
811 |
EngineChannel* pEngineChannel = dynamic_cast<EngineChannel*>(*iter); |
812 |
if (!pEngineChannel) continue; |
813 |
Engine* pEngine = dynamic_cast<Engine*>(pEngineChannel->GetEngine()); |
814 |
if (!pEngine) continue; |
815 |
result.insert(pEngine); |
816 |
} |
817 |
if (bLock) Unlock(); |
818 |
return result; |
819 |
} |
820 |
|
821 |
/** |
822 |
* Returns a list with all gig Engines that are currently using an |
823 |
* instrument that is part of the given instrument file. |
824 |
* |
825 |
* @param pFile - search criteria |
826 |
* @param bLock - whether we should lock (mutex) the instrument manager |
827 |
* during this call and unlock at the end of this call |
828 |
*/ |
829 |
std::set<Engine*> InstrumentResourceManager::GetEnginesUsing(::gig::File* pFile, bool bLock) { |
830 |
if (bLock) Lock(); |
831 |
// get all instruments (currently in usage) that use that same gig::File |
832 |
std::vector< ::gig::Instrument*> instrumentsOfInterest = |
833 |
GetInstrumentsCurrentlyUsedOf(pFile, false/*don't lock again*/); |
834 |
|
835 |
// get all engines that use that same gig::File |
836 |
std::set<Engine*> result; |
837 |
{ |
838 |
for (int i = 0; i < instrumentsOfInterest.size(); i++) { |
839 |
std::set<ResourceConsumer< ::gig::Instrument>*> consumers = ConsumersOf(instrumentsOfInterest[i]); |
840 |
std::set<ResourceConsumer< ::gig::Instrument>*>::iterator iter = consumers.begin(); |
841 |
std::set<ResourceConsumer< ::gig::Instrument>*>::iterator end = consumers.end(); |
842 |
for (; iter != end; ++iter) { |
843 |
EngineChannel* pEngineChannel = dynamic_cast<EngineChannel*>(*iter); |
844 |
if (!pEngineChannel) continue; |
845 |
Engine* pEngine = dynamic_cast<Engine*>(pEngineChannel->GetEngine()); |
846 |
if (!pEngine) continue; |
847 |
// the unique, sorted container std::set makes |
848 |
// sure we won't have duplicates |
849 |
result.insert(pEngine); |
850 |
} |
851 |
} |
852 |
} |
853 |
if (bLock) Unlock(); |
854 |
return result; |
855 |
} |
856 |
|
857 |
/** |
858 |
* Returns @c true in case the given sample is referenced somewhere by the |
859 |
* given instrument, @c false otherwise. |
860 |
* |
861 |
* @param pSample - sample reference |
862 |
* @param pInstrument - instrument that might use that sample |
863 |
*/ |
864 |
bool InstrumentResourceManager::SampleReferencedByInstrument(::gig::Sample* pSample, ::gig::Instrument* pInstrument) { |
865 |
for ( |
866 |
::gig::Region* pRegion = pInstrument->GetFirstRegion(); |
867 |
pRegion; pRegion = pInstrument->GetNextRegion() |
868 |
) { |
869 |
for ( |
870 |
int i = 0; i < pRegion->DimensionRegions && |
871 |
pRegion->pDimensionRegions[i]; i++ |
872 |
) { |
873 |
if (pRegion->pDimensionRegions[i]->pSample == pSample) |
874 |
return true; |
875 |
} |
876 |
} |
877 |
return false; |
878 |
} |
879 |
|
880 |
/** |
881 |
* Suspend all gig engines that use the given instrument. This means |
882 |
* completely stopping playback on those engines and killing all their |
883 |
* voices and disk streams. This method will block until all voices AND |
884 |
* their disk streams are finally deleted and the engine turned into a |
885 |
* complete idle loop. |
886 |
* |
887 |
* All @c SuspendEnginesUsing() methods only serve one thread by one and |
888 |
* block all other threads until the current active thread called |
889 |
* @c ResumeAllEngines() . |
890 |
* |
891 |
* @param pInstrument - search criteria |
892 |
*/ |
893 |
void InstrumentResourceManager::SuspendEnginesUsing(::gig::Instrument* pInstrument) { |
894 |
// make sure no other thread suspends whole engines at the same time |
895 |
suspendedEnginesMutex.Lock(); |
896 |
// get all engines that use that same gig::Instrument |
897 |
suspendedEngines = GetEnginesUsing(pInstrument, true/*lock*/); |
898 |
// finally, completely suspend all engines that use that same gig::Instrument |
899 |
std::set<Engine*>::iterator iter = suspendedEngines.begin(); |
900 |
std::set<Engine*>::iterator end = suspendedEngines.end(); |
901 |
for (; iter != end; ++iter) (*iter)->SuspendAll(); |
902 |
} |
903 |
|
904 |
/** |
905 |
* Suspend all gig engines that use the given instrument file. This means |
906 |
* completely stopping playback on those engines and killing all their |
907 |
* voices and disk streams. This method will block until all voices AND |
908 |
* their disk streams are finally deleted and the engine turned into a |
909 |
* complete idle loop. |
910 |
* |
911 |
* All @c SuspendEnginesUsing() methods only serve one thread by one and |
912 |
* block all other threads until the current active thread called |
913 |
* @c ResumeAllEngines() . |
914 |
* |
915 |
* @param pFile - search criteria |
916 |
*/ |
917 |
void InstrumentResourceManager::SuspendEnginesUsing(::gig::File* pFile) { |
918 |
// make sure no other thread suspends whole engines at the same time |
919 |
suspendedEnginesMutex.Lock(); |
920 |
// get all engines that use that same gig::File |
921 |
suspendedEngines = GetEnginesUsing(pFile, true/*lock*/); |
922 |
// finally, completely suspend all engines that use that same gig::File |
923 |
std::set<Engine*>::iterator iter = suspendedEngines.begin(); |
924 |
std::set<Engine*>::iterator end = suspendedEngines.end(); |
925 |
for (; iter != end; ++iter) (*iter)->SuspendAll(); |
926 |
} |
927 |
|
928 |
/** |
929 |
* MUST be called after one called one of the @c SuspendEnginesUsing() |
930 |
* methods, to resume normal playback on all previously suspended engines. |
931 |
* As it's only possible for one thread to suspend whole engines at the |
932 |
* same time, this method doesn't take any arguments. |
933 |
*/ |
934 |
void InstrumentResourceManager::ResumeAllEngines() { |
935 |
// resume all previously completely suspended engines |
936 |
std::set<Engine*>::iterator iter = suspendedEngines.begin(); |
937 |
std::set<Engine*>::iterator end = suspendedEngines.end(); |
938 |
for (; iter != end; ++iter) (*iter)->ResumeAll(); |
939 |
// no more suspended engines ... |
940 |
suspendedEngines.clear(); |
941 |
// allow another thread to suspend whole engines |
942 |
suspendedEnginesMutex.Unlock(); |
943 |
} |
944 |
|
945 |
|
946 |
|
947 |
// internal gig file manager |
948 |
|
949 |
::gig::File* InstrumentResourceManager::GigResourceManager::Create(String Key, GigConsumer* pConsumer, void*& pArg) { |
950 |
dmsg(1,("Loading gig file \'%s\'...", Key.c_str())); |
951 |
::RIFF::File* pRIFF = new ::RIFF::File(Key); |
952 |
::gig::File* pGig = new ::gig::File(pRIFF); |
953 |
pArg = pRIFF; |
954 |
dmsg(1,("OK\n")); |
955 |
return pGig; |
956 |
} |
957 |
|
958 |
void InstrumentResourceManager::GigResourceManager::Destroy(::gig::File* pResource, void* pArg) { |
959 |
dmsg(1,("Freeing gig file '%s' from memory ...", pResource->GetFileName().c_str())); |
960 |
|
961 |
// Delete as much as possible of the gig file. Some of the |
962 |
// dimension regions and samples may still be in use - these |
963 |
// will be deleted later by the HandBackDimReg function. |
964 |
bool deleteFile = true; |
965 |
::gig::Instrument* nextInstrument; |
966 |
for (::gig::Instrument* instrument = pResource->GetFirstInstrument() ; |
967 |
instrument ; |
968 |
instrument = nextInstrument) { |
969 |
nextInstrument = pResource->GetNextInstrument(); |
970 |
bool deleteInstrument = true; |
971 |
::gig::Region* nextRegion; |
972 |
for (::gig::Region *region = instrument->GetFirstRegion() ; |
973 |
region ; |
974 |
region = nextRegion) { |
975 |
nextRegion = instrument->GetNextRegion(); |
976 |
bool deleteRegion = true; |
977 |
for (int i = 0 ; i < region->DimensionRegions ; i++) |
978 |
{ |
979 |
::gig::DimensionRegion *d = region->pDimensionRegions[i]; |
980 |
std::map< ::gig::DimensionRegion*, region_info_t>::iterator iter = parent->RegionInfo.find(d); |
981 |
if (iter != parent->RegionInfo.end()) { |
982 |
region_info_t& dimRegInfo = (*iter).second; |
983 |
dimRegInfo.file = pResource; |
984 |
dimRegInfo.pArg = (::RIFF::File*)pArg; |
985 |
deleteFile = deleteInstrument = deleteRegion = false; |
986 |
} |
987 |
} |
988 |
if (deleteRegion) instrument->DeleteRegion(region); |
989 |
} |
990 |
if (deleteInstrument) pResource->DeleteInstrument(instrument); |
991 |
} |
992 |
if (deleteFile) { |
993 |
delete pResource; |
994 |
delete (::RIFF::File*) pArg; |
995 |
} else { |
996 |
dmsg(2,("keeping some samples that are in use...")); |
997 |
::gig::Sample* nextSample; |
998 |
for (::gig::Sample* sample = pResource->GetFirstSample() ; |
999 |
sample ; |
1000 |
sample = nextSample) { |
1001 |
nextSample = pResource->GetNextSample(); |
1002 |
if (parent->SampleRefCount.find(sample) == parent->SampleRefCount.end()) { |
1003 |
pResource->DeleteSample(sample); |
1004 |
} |
1005 |
} |
1006 |
} |
1007 |
dmsg(1,("OK\n")); |
1008 |
} |
1009 |
|
1010 |
}} // namespace LinuxSampler::gig |