/[svn]/linuxsampler/trunk/src/engines/gig/InstrumentResourceManager.cpp
ViewVC logotype

Diff of /linuxsampler/trunk/src/engines/gig/InstrumentResourceManager.cpp

Parent Directory Parent Directory | Revision Log Revision Log | View Patch Patch

revision 56 by schoenebeck, Tue Apr 27 09:21:58 2004 UTC revision 2902 by schoenebeck, Tue May 3 14:00:16 2016 UTC
# Line 3  Line 3 
3   *   LinuxSampler - modular, streaming capable sampler                     *   *   LinuxSampler - modular, streaming capable sampler                     *
4   *                                                                         *   *                                                                         *
5   *   Copyright (C) 2003, 2004 by Benno Senoner and Christian Schoenebeck   *   *   Copyright (C) 2003, 2004 by Benno Senoner and Christian Schoenebeck   *
6     *   Copyright (C) 2005 - 2016 Christian Schoenebeck                       *
7   *                                                                         *   *                                                                         *
8   *   This program is free software; you can redistribute it and/or modify  *   *   This program is free software; you can redistribute it and/or modify  *
9   *   it under the terms of the GNU General Public License as published by  *   *   it under the terms of the GNU General Public License as published by  *
# Line 23  Line 24 
24  #include <sstream>  #include <sstream>
25    
26  #include "InstrumentResourceManager.h"  #include "InstrumentResourceManager.h"
27    #include "EngineChannel.h"
28    #include "Engine.h"
29    
30    #include "../../common/global_private.h"
31    #include "../../plugins/InstrumentEditorFactory.h"
32    
33  namespace LinuxSampler { namespace gig {  namespace LinuxSampler { namespace gig {
34    
35        // some data needed for the libgig callback function
36        struct progress_callback_arg_t {
37            InstrumentResourceManager*          pManager;
38            InstrumentManager::instrument_id_t* pInstrumentKey;
39        };
40    
41        // we use this to react on events concerning an instrument on behalf of an instrument editor
42        class InstrumentEditorProxy : public InstrumentConsumer {
43        public:
44            virtual void ResourceToBeUpdated(::gig::Instrument* pResource, void*& pUpdateArg) {
45                //TODO: inform the instrument editor about the pending update
46            }
47    
48            virtual void ResourceUpdated(::gig::Instrument* pOldResource, ::gig::Instrument* pNewResource, void* pUpdateArg) {
49                //TODO:: inform the instrument editor about finished update
50            }
51    
52            virtual void OnResourceProgress(float fProgress) {
53                //TODO: inform the instrument editor about the progress of an update
54            }
55    
56            // the instrument we borrowed on behalf of the editor
57            ::gig::Instrument* pInstrument;
58            // the instrument editor we work on behalf
59            InstrumentEditor* pEditor;
60        };
61    
62        /**
63         * Callback function which will be called by libgig during loading of
64         * instruments to inform about the current progress. Or to be more
65         * specific; it will be called during the GetInstrument() call.
66         *
67         * @param pProgress - contains current progress value, pointer to the
68         *                    InstrumentResourceManager instance and
69         *                    instrument ID
70         */
71        void InstrumentResourceManager::OnInstrumentLoadingProgress(::gig::progress_t* pProgress) {
72            dmsg(7,("gig::InstrumentResourceManager: progress %f%%", pProgress->factor));
73            progress_callback_arg_t* pArg = static_cast<progress_callback_arg_t*>(pProgress->custom);
74            // we randomly schedule 90% for the .gig file loading and the remaining 10% later for sample caching
75            const float localProgress = 0.9f * pProgress->factor;
76            pArg->pManager->DispatchResourceProgressEvent(*pArg->pInstrumentKey, localProgress);
77        }
78    
79        String InstrumentResourceManager::GetInstrumentName(instrument_id_t ID) {
80            Lock();
81            ::gig::Instrument* pInstrument = Resource(ID, false);
82            String res = (pInstrument) ? pInstrument->pInfo->Name : "";
83            Unlock();
84            return res;
85        }
86    
87        String InstrumentResourceManager::GetInstrumentDataStructureName(instrument_id_t ID) {
88            return ::gig::libraryName();
89        }
90    
91        String InstrumentResourceManager::GetInstrumentDataStructureVersion(instrument_id_t ID) {
92            return ::gig::libraryVersion();
93        }
94    
95        std::vector<InstrumentResourceManager::instrument_id_t> InstrumentResourceManager::GetInstrumentFileContent(String File) throw (InstrumentManagerException) {
96            ::RIFF::File* riff = NULL;
97            ::gig::File*  gig  = NULL;
98            try {
99                std::vector<instrument_id_t> result;
100                riff = new ::RIFF::File(File);
101                gig  = new ::gig::File(riff);
102                gig->SetAutoLoad(false); // avoid time consuming samples scanning
103                for (int i = 0; gig->GetInstrument(i); i++) {
104                    instrument_id_t id;
105                    id.FileName = File;
106                    id.Index    = i;
107                    result.push_back(id);
108                }
109                if (gig)  delete gig;
110                if (riff) delete riff;
111                return result;
112            } catch (::RIFF::Exception e) {
113                if (gig)  delete gig;
114                if (riff) delete riff;
115                throw InstrumentManagerException(e.Message);
116            } catch (...) {
117                if (gig)  delete gig;
118                if (riff) delete riff;
119                throw InstrumentManagerException("Unknown exception while trying to parse '" + File + "'");
120            }
121        }
122    
123        InstrumentResourceManager::instrument_info_t InstrumentResourceManager::GetInstrumentInfo(instrument_id_t ID) throw (InstrumentManagerException) {
124            Lock();
125            ::gig::Instrument* pInstrument = Resource(ID, false);
126            bool loaded = (pInstrument != NULL);
127            if (!loaded) Unlock();
128    
129            ::RIFF::File* riff = NULL;
130            ::gig::File*  gig  = NULL;
131            try {
132                if (!loaded) {
133                    riff = new ::RIFF::File(ID.FileName);
134                    gig  = new ::gig::File(riff);
135                    gig->SetAutoLoad(false); // avoid time consuming samples scanning
136                    pInstrument = gig->GetInstrument(ID.Index);
137                }
138    
139                if (!pInstrument) throw InstrumentManagerException("There is no instrument " + ToString(ID.Index) + " in " + ID.FileName);
140    
141                instrument_info_t info;
142                for (int i = 0; i < 128; i++) { info.KeyBindings[i] = info.KeySwitchBindings[i] = 0; }
143    
144                ::gig::File* pFile = (::gig::File*) pInstrument->GetParent();
145    
146                if (pFile->pVersion) {
147                    info.FormatVersion = ToString(pFile->pVersion->major);
148                    info.Product = pFile->pInfo->Product;
149                    info.Artists = pFile->pInfo->Artists;
150                }
151    
152                info.InstrumentName = pInstrument->pInfo->Name;
153    
154                ::gig::Region* pRegion = pInstrument->GetFirstRegion();
155                while (pRegion) {
156                    int low = pRegion->KeyRange.low;
157                    int high = pRegion->KeyRange.high;
158                    if (low < 0 || low > 127 || high < 0 || high > 127 || low > high) {
159                        std::cerr << "Invalid key range: " << low << " - " << high << std::endl;
160                    } else {
161                        for (int i = low; i <= high; i++) info.KeyBindings[i] = 1;
162                    }
163    
164                    pRegion = pInstrument->GetNextRegion();
165                }
166    
167                if (loaded) { // retrieve keyswitching only if the instrument is fully loaded.
168    
169                    // only return keyswitch range if keyswitching is used
170                    bool hasKeyswitches = false;
171                    for (::gig::Region* pRegion = pInstrument->GetFirstRegion() ;
172                         pRegion && !hasKeyswitches ;
173                         pRegion = pInstrument->GetNextRegion()) {
174                        for (int i = 0 ; i < pRegion->Dimensions ; i++) {
175                            if (pRegion->pDimensionDefinitions[i].dimension == ::gig::dimension_keyboard) {
176                                hasKeyswitches = true;
177                                break;
178                            }
179                        }
180                    }
181    
182                    if (hasKeyswitches) {
183                        int low = pInstrument->DimensionKeyRange.low;
184                        int high = pInstrument->DimensionKeyRange.high;
185                        if (low < 0 || low > 127 || high < 0 || high > 127 || low > high) {
186                            std::cerr << "Invalid keyswitch range: " << low << " - " << high << std::endl;
187                        } else {
188                            for (int i = low; i <= high; i++) info.KeySwitchBindings[i] = 1;
189                        }
190                    }
191                }
192    
193                if (loaded) Unlock();
194    
195                if (gig)  delete gig;
196                if (riff) delete riff;
197                return info;
198            } catch (::RIFF::Exception e) {
199                if (loaded) Unlock();
200                if (gig)  delete gig;
201                if (riff) delete riff;
202                throw InstrumentManagerException(e.Message);
203            } catch (...) {
204                if (loaded) Unlock();
205                if (gig)  delete gig;
206                if (riff) delete riff;
207                throw InstrumentManagerException("Unknown exception while trying to parse '" + ID.FileName + "'");
208            }
209        }
210    
211        InstrumentEditor* InstrumentResourceManager::LaunchInstrumentEditor(LinuxSampler::EngineChannel* pEngineChannel, instrument_id_t ID, void* pUserData) throw (InstrumentManagerException) {
212            const String sDataType    = GetInstrumentDataStructureName(ID);
213            const String sDataVersion = GetInstrumentDataStructureVersion(ID);
214            // find instrument editors capable to handle given instrument
215            std::vector<String> vEditors =
216                InstrumentEditorFactory::MatchingEditors(sDataType, sDataVersion);
217            if (!vEditors.size())
218                throw InstrumentManagerException(
219                    "There is no instrument editor capable to handle this instrument"
220                );
221            // simply use the first editor in the result set
222            dmsg(1,("Found matching editor '%s' for instrument ('%s', %d) having data structure ('%s','%s')\n",
223                vEditors[0].c_str(), ID.FileName.c_str(), ID.Index, sDataType.c_str(), sDataVersion.c_str()));
224            InstrumentEditor* pEditor = InstrumentEditorFactory::Create(vEditors[0]);
225            // register for receiving notifications from the instrument editor
226            pEditor->AddListener(this);
227            // create a proxy that reacts on notification on behalf of the editor
228            InstrumentEditorProxy* pProxy = new InstrumentEditorProxy;
229            // borrow the instrument on behalf of the instrument editor
230            ::gig::Instrument* pInstrument = Borrow(ID, pProxy);
231            // remember the proxy and instrument for this instrument editor
232            pProxy->pInstrument = pInstrument;
233            pProxy->pEditor     = pEditor;
234            InstrumentEditorProxiesMutex.Lock();
235            InstrumentEditorProxies.add(pProxy);
236            InstrumentEditorProxiesMutex.Unlock();
237            // launch the instrument editor for the given instrument
238            pEditor->Launch(pEngineChannel, pInstrument, sDataType, sDataVersion, pUserData);
239    
240            // register the instrument editor as virtual MIDI device as well ...
241            VirtualMidiDevice* pVirtualMidiDevice =
242                dynamic_cast<VirtualMidiDevice*>(pEditor);
243            if (!pVirtualMidiDevice) {
244                std::cerr << "Instrument editor not a virtual MIDI device\n" << std::flush;
245                return pEditor;
246            }
247            // 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 ? )
248            Lock();
249            std::set<EngineChannel*> engineChannels =
250                GetEngineChannelsUsing(pInstrument, false/*don't lock again*/);
251            std::set<EngineChannel*>::iterator iter = engineChannels.begin();
252            std::set<EngineChannel*>::iterator end  = engineChannels.end();
253            for (; iter != end; ++iter) (static_cast<AbstractEngineChannel*>(*iter))->Connect(pVirtualMidiDevice);
254            Unlock();
255    
256            return pEditor;
257        }
258    
259        /**
260         * Will be called by the respective instrument editor once it left its
261         * Main() loop. That way we can handle cleanup before its thread finally
262         * dies.
263         *
264         * @param pSender - instrument editor that stops execution
265         */
266        void InstrumentResourceManager::OnInstrumentEditorQuit(InstrumentEditor* pSender) {
267            dmsg(1,("InstrumentResourceManager: instrument editor quit, doing cleanup\n"));
268    
269            ::gig::Instrument* pInstrument = NULL;
270            InstrumentEditorProxy* pProxy  = NULL;
271            int iProxyIndex                = -1;
272    
273            // first find the editor proxy entry for this editor
274            {
275                LockGuard lock(InstrumentEditorProxiesMutex);
276                for (int i = 0; i < InstrumentEditorProxies.size(); i++) {
277                    InstrumentEditorProxy* pCurProxy =
278                        dynamic_cast<InstrumentEditorProxy*>(
279                            InstrumentEditorProxies[i]
280                            );
281                    if (pCurProxy->pEditor == pSender) {
282                        pProxy      = pCurProxy;
283                        iProxyIndex = i;
284                        pInstrument = pCurProxy->pInstrument;
285                    }
286                }
287            }
288    
289            if (!pProxy) {
290                std::cerr << "Eeeek, could not find instrument editor proxy, "
291                             "this is a bug!\n" << std::flush;
292                return;
293            }
294    
295            // now unregister editor as not being available as a virtual MIDI device anymore
296            VirtualMidiDevice* pVirtualMidiDevice =
297                dynamic_cast<VirtualMidiDevice*>(pSender);
298            if (pVirtualMidiDevice) {
299                Lock();
300                // NOTE: see note in LaunchInstrumentEditor()
301                std::set<EngineChannel*> engineChannels =
302                    GetEngineChannelsUsing(pInstrument, false/*don't lock again*/);
303                std::set<EngineChannel*>::iterator iter = engineChannels.begin();
304                std::set<EngineChannel*>::iterator end  = engineChannels.end();
305                for (; iter != end; ++iter) (*iter)->Disconnect(pVirtualMidiDevice);
306                Unlock();
307            } else {
308                std::cerr << "Could not unregister editor as not longer acting as "
309                             "virtual MIDI device. Wasn't it registered?\n"
310                          << std::flush;
311            }
312    
313            // finally delete proxy entry and hand back instrument
314            if (pInstrument) {
315                {
316                    LockGuard lock(InstrumentEditorProxiesMutex);
317                    InstrumentEditorProxies.remove(iProxyIndex);
318                }
319    
320                HandBack(pInstrument, pProxy);
321                delete pProxy;
322            }
323    
324            // Note that we don't need to free the editor here. As it
325            // derives from Thread, it will delete itself when the thread
326            // dies.
327        }
328    
329    #if 0 // currently unused :
330        /**
331         * Try to inform the respective instrument editor(s), that a note on
332         * event just occured. This method is called by the MIDI thread. If any
333         * obstacles are in the way (e.g. if a wait for an unlock would be
334         * required) we give up immediately, since the RT safeness of the MIDI
335         * thread has absolute priority.
336         */
337        void InstrumentResourceManager::TrySendNoteOnToEditors(uint8_t Key, uint8_t Velocity, ::gig::Instrument* pInstrument) {
338            const bool bGotLock = InstrumentEditorProxiesMutex.Trylock(); // naively assumes RT safe implementation
339            if (!bGotLock) return; // hell, forget it, not worth the hassle
340            for (int i = 0; i < InstrumentEditorProxies.size(); i++) {
341                InstrumentEditorProxy* pProxy =
342                    dynamic_cast<InstrumentEditorProxy*>(
343                        InstrumentEditorProxies[i]
344                    );
345                if (pProxy->pInstrument == pInstrument)
346                    pProxy->pEditor->SendNoteOnToDevice(Key, Velocity);
347            }
348            InstrumentEditorProxiesMutex.Unlock(); // naively assumes RT safe implementation
349        }
350    
351        /**
352         * Try to inform the respective instrument editor(s), that a note off
353         * event just occured. This method is called by the MIDI thread. If any
354         * obstacles are in the way (e.g. if a wait for an unlock would be
355         * required) we give up immediately, since the RT safeness of the MIDI
356         * thread has absolute priority.
357         */
358        void InstrumentResourceManager::TrySendNoteOffToEditors(uint8_t Key, uint8_t Velocity, ::gig::Instrument* pInstrument) {
359            const bool bGotLock = InstrumentEditorProxiesMutex.Trylock(); // naively assumes RT safe implementation
360            if (!bGotLock) return; // hell, forget it, not worth the hassle
361            for (int i = 0; i < InstrumentEditorProxies.size(); i++) {
362                InstrumentEditorProxy* pProxy =
363                    dynamic_cast<InstrumentEditorProxy*>(
364                        InstrumentEditorProxies[i]
365                    );
366                if (pProxy->pInstrument == pInstrument)
367                    pProxy->pEditor->SendNoteOffToDevice(Key, Velocity);
368            }
369            InstrumentEditorProxiesMutex.Unlock(); // naively assumes RT safe implementation
370        }
371    #endif // unused
372    
373        void InstrumentResourceManager::OnSamplesToBeRemoved(std::set<void*> Samples, InstrumentEditor* pSender) {
374            if (Samples.empty()) {
375                std::cerr << "gig::InstrumentResourceManager: WARNING, "
376                             "OnSamplesToBeRemoved() called with empty list, this "
377                             "is a bug!\n" << std::flush;
378                return;
379            }
380            // TODO: ATM we assume here that all samples are from the same file
381            ::gig::Sample* pFirstSample = (::gig::Sample*) *Samples.begin();
382            ::gig::File* pCriticalFile = dynamic_cast< ::gig::File*>(pFirstSample->GetParent());
383            // completely suspend all engines that use that same file
384            SuspendEnginesUsing(pCriticalFile);
385        }
386    
387        void InstrumentResourceManager::OnSamplesRemoved(InstrumentEditor* pSender) {
388            // resume all previously, completely suspended engines
389            // (we don't have to un-cache the removed samples here, since that is
390            // automatically done by the gig::Sample destructor)
391            ResumeAllEngines();
392        }
393    
394        void InstrumentResourceManager::OnDataStructureToBeChanged(void* pStruct, String sStructType, InstrumentEditor* pSender) {
395            dmsg(5,("gig::InstrumentResourceManager::OnDataStructureToBeChanged(%s)\n", sStructType.c_str()));
396            //TODO: remove code duplication
397            if (sStructType == "gig::File") {
398                // completely suspend all engines that use that file
399                ::gig::File* pFile = (::gig::File*) pStruct;
400                SuspendEnginesUsing(pFile);
401            } else if (sStructType == "gig::Instrument") {
402                // completely suspend all engines that use that instrument
403                ::gig::Instrument* pInstrument = (::gig::Instrument*) pStruct;
404                SuspendEnginesUsing(pInstrument);
405            } else if (sStructType == "gig::Region") {
406                // only advice the engines to suspend the given region, so they'll
407                // only ignore that region (and probably already other suspended
408                // ones), but beside that continue normal playback
409                ::gig::Region* pRegion = (::gig::Region*) pStruct;
410                ::gig::Instrument* pInstrument =
411                    (::gig::Instrument*) pRegion->GetParent();
412                Lock();
413                std::set<Engine*> engines =
414                    GetEnginesUsing(pInstrument, false/*don't lock again*/);
415                std::set<Engine*>::iterator iter = engines.begin();
416                std::set<Engine*>::iterator end  = engines.end();
417                for (; iter != end; ++iter) (*iter)->Suspend(pRegion);
418                Unlock();
419            } else if (sStructType == "gig::DimensionRegion") {
420                // only advice the engines to suspend the given DimensionRegions's
421                // parent region, so they'll only ignore that region (and probably
422                // already other suspended ones), but beside that continue normal
423                // playback
424                ::gig::DimensionRegion* pDimReg =
425                    (::gig::DimensionRegion*) pStruct;
426                ::gig::Region* pRegion = pDimReg->GetParent();
427                ::gig::Instrument* pInstrument =
428                    (::gig::Instrument*) pRegion->GetParent();
429                Lock();
430                std::set<Engine*> engines =
431                    GetEnginesUsing(pInstrument, false/*don't lock again*/);
432                std::set<Engine*>::iterator iter = engines.begin();
433                std::set<Engine*>::iterator end  = engines.end();
434                for (; iter != end; ++iter) (*iter)->Suspend(pRegion);
435                Unlock();
436            } else if (sStructType == "gig::Script") {
437                // no need to suspend anything here, since the sampler is
438                // processing a translated VM representation of the original script
439                // source code, not accessing the source code itself during playback
440                ::gig::Script* pScript = (::gig::Script*) pStruct;
441                // remember the original source code of the script, since the script
442                // resource manager uses the source code as key
443                pendingScriptUpdatesMutex.Lock();
444                pendingScriptUpdates[pScript] = pScript->GetScriptAsText();
445                pendingScriptUpdatesMutex.Unlock();
446            } else {
447                std::cerr << "gig::InstrumentResourceManager: ERROR, unknown data "
448                             "structure '" << sStructType << "' requested to be "
449                             "suspended by instrument editor. This is a bug!\n"
450                          << std::flush;
451                //TODO: we should inform the instrument editor that something seriously went wrong
452            }
453        }
454    
455        void InstrumentResourceManager::OnDataStructureChanged(void* pStruct, String sStructType, InstrumentEditor* pSender) {
456            dmsg(5,("gig::InstrumentResourceManager::OnDataStructureChanged(%s)\n", sStructType.c_str()));
457            //TODO: remove code duplication
458            if (sStructType == "gig::File") {
459                // resume all previously suspended engines
460                ResumeAllEngines();
461            } else if (sStructType == "gig::Instrument") {
462                // resume all previously suspended engines
463                ResumeAllEngines();
464            } else if (sStructType == "gig::Sample") {
465                // we're assuming here, that OnDataStructureToBeChanged() with
466                // "gig::File" was called previously, so we won't resume anything
467                // here, but just re-cache the given sample
468                Lock();
469                ::gig::Sample* pSample = (::gig::Sample*) pStruct;
470                ::gig::File* pFile = (::gig::File*) pSample->GetParent();
471                UncacheInitialSamples(pSample);
472                // now re-cache ...
473                std::vector< ::gig::Instrument*> instruments =
474                    GetInstrumentsCurrentlyUsedOf(pFile, false/*don't lock again*/);
475                for (int i = 0; i < instruments.size(); i++) {
476                    if (SampleReferencedByInstrument(pSample, instruments[i])) {
477                        std::set<EngineChannel*> engineChannels =
478                            GetEngineChannelsUsing(instruments[i], false/*don't lock again*/);
479                        std::set<EngineChannel*>::iterator iter = engineChannels.begin();
480                        std::set<EngineChannel*>::iterator end  = engineChannels.end();
481                        for (; iter != end; ++iter)
482                            CacheInitialSamples(pSample, *iter);
483                    }
484                }
485                Unlock();
486            } else if (sStructType == "gig::Region") {
487                // advice the engines to resume the given region, that is to
488                // using it for playback again
489                ::gig::Region* pRegion = (::gig::Region*) pStruct;
490                ::gig::Instrument* pInstrument =
491                    (::gig::Instrument*) pRegion->GetParent();
492                Lock();
493                std::set<Engine*> engines =
494                    GetEnginesUsing(pInstrument, false/*don't lock again*/);
495                std::set<Engine*>::iterator iter = engines.begin();
496                std::set<Engine*>::iterator end  = engines.end();
497                for (; iter != end; ++iter) (*iter)->Resume(pRegion);
498                Unlock();
499            } else if (sStructType == "gig::DimensionRegion") {
500                // advice the engines to resume the given DimensionRegion's parent
501                // region, that is to using it for playback again
502                ::gig::DimensionRegion* pDimReg =
503                    (::gig::DimensionRegion*) pStruct;
504                ::gig::Region* pRegion = pDimReg->GetParent();
505                ::gig::Instrument* pInstrument =
506                    (::gig::Instrument*) pRegion->GetParent();
507                Lock();
508                std::set<Engine*> engines =
509                    GetEnginesUsing(pInstrument, false/*don't lock again*/);
510                std::set<Engine*>::iterator iter = engines.begin();
511                std::set<Engine*>::iterator end  = engines.end();
512                for (; iter != end; ++iter) (*iter)->Resume(pRegion);
513                Unlock();
514            } else if (sStructType == "gig::Script") {
515                // inform all engine channels which are using this script, that
516                // they need to reload (parse) the script's source code text
517                ::gig::Script* pScript = (::gig::Script*) pStruct;
518                pendingScriptUpdatesMutex.Lock();
519                if (pendingScriptUpdates.count(pScript)) {
520                    const String& code = pendingScriptUpdates[pScript];
521                    std::set<EngineChannel*> channels = GetEngineChannelsUsingScriptSourceCode(code, true/*lock*/);
522                    pendingScriptUpdates.erase(pScript);
523                    std::set<EngineChannel*>::iterator iter = channels.begin();
524                    std::set<EngineChannel*>::iterator end  = channels.end();
525                    for (; iter != end; ++iter) (*iter)->reloadScript(pScript);
526                }
527                pendingScriptUpdatesMutex.Unlock();
528            } else {
529                std::cerr << "gig::InstrumentResourceManager: ERROR, unknown data "
530                             "structure '" << sStructType << "' requested to be "
531                             "resumed by instrument editor. This is a bug!\n"
532                          << std::flush;
533                //TODO: we should inform the instrument editor that something seriously went wrong
534            }
535        }
536    
537        void InstrumentResourceManager::OnSampleReferenceChanged(void* pOldSample, void* pNewSample, InstrumentEditor* pSender) {
538            // uncache old sample in case it's not used by anybody anymore
539            if (pOldSample) {
540                Lock();
541                ::gig::Sample* pSample = (::gig::Sample*) pOldSample;
542                ::gig::File* pFile = (::gig::File*) pSample->GetParent();
543                bool bSampleStillInUse = false;
544                std::vector< ::gig::Instrument*> instruments =
545                    GetInstrumentsCurrentlyUsedOf(pFile, false/*don't lock again*/);
546                for (int i = 0; i < instruments.size(); i++) {
547                    if (SampleReferencedByInstrument(pSample, instruments[i])) {
548                        bSampleStillInUse = true;
549                        break;
550                    }
551                }
552                if (!bSampleStillInUse) UncacheInitialSamples(pSample);
553                Unlock();
554            }
555            // make sure new sample reference is cached
556            if (pNewSample) {
557                Lock();
558                ::gig::Sample* pSample = (::gig::Sample*) pNewSample;
559                ::gig::File* pFile = (::gig::File*) pSample->GetParent();
560                // get all engines that use that same gig::File
561                std::set<Engine*> engines = GetEnginesUsing(pFile, false/*don't lock again*/);
562                std::set<Engine*>::iterator iter = engines.begin();
563                std::set<Engine*>::iterator end  = engines.end();
564                for (; iter != end; ++iter)
565                    CacheInitialSamples(pSample, *iter);
566                Unlock();
567            }
568        }
569    
570      ::gig::Instrument* InstrumentResourceManager::Create(instrument_id_t Key, InstrumentConsumer* pConsumer, void*& pArg) {      ::gig::Instrument* InstrumentResourceManager::Create(instrument_id_t Key, InstrumentConsumer* pConsumer, void*& pArg) {
571          // get gig file from inernal gig file manager          // get gig file from internal gig file manager
572          ::gig::File* pGig = Gigs.Borrow(Key.FileName, (GigConsumer*) Key.iInstrument); // conversion kinda hackish :/          ::gig::File* pGig = Gigs.Borrow(Key.FileName, reinterpret_cast<GigConsumer*>(Key.Index)); // conversion kinda hackish :/
573    
574          dmsg(1,("Loading gig instrument..."));          // we pass this to the progress callback mechanism of libgig
575          ::gig::Instrument* pInstrument = pGig->GetInstrument(Key.iInstrument);          progress_callback_arg_t callbackArg;
576            callbackArg.pManager       = this;
577            callbackArg.pInstrumentKey = &Key;
578    
579            ::gig::progress_t progress;
580            progress.callback = OnInstrumentLoadingProgress;
581            progress.custom   = &callbackArg;
582    
583            dmsg(1,("Loading gig instrument ('%s',%d)...",Key.FileName.c_str(),Key.Index));
584            ::gig::Instrument* pInstrument = pGig->GetInstrument(Key.Index, &progress);
585          if (!pInstrument) {          if (!pInstrument) {
586              std::stringstream msg;              std::stringstream msg;
587              msg << "There's no instrument with index " << Key.iInstrument << ".";              msg << "There's no instrument with index " << Key.Index << ".";
588              throw InstrumentResourceManagerException(msg.str());              throw InstrumentManagerException(msg.str());
589          }          }
590          pGig->GetFirstSample(); // just to force complete instrument loading          pGig->GetFirstSample(); // just to force complete instrument loading
591          dmsg(1,("OK\n"));          dmsg(1,("OK\n"));
592    
593            uint maxSamplesPerCycle = GetMaxSamplesPerCycle(pConsumer);
594    
595          // cache initial samples points (for actually needed samples)          // cache initial samples points (for actually needed samples)
596          dmsg(1,("Caching initial samples..."));          dmsg(1,("Caching initial samples..."));
597            uint iRegion = 0; // just for progress calculation
598          ::gig::Region* pRgn = pInstrument->GetFirstRegion();          ::gig::Region* pRgn = pInstrument->GetFirstRegion();
599          while (pRgn) {          while (pRgn) {
600              if (!pRgn->GetSample()->GetCache().Size) {              // we randomly schedule 90% for the .gig file loading and the remaining 10% now for sample caching
601                const float localProgress = 0.9f + 0.1f * (float) iRegion / (float) pInstrument->Regions;
602                DispatchResourceProgressEvent(Key, localProgress);
603    
604                if (pRgn->GetSample() && !pRgn->GetSample()->GetCache().Size) {
605                  dmsg(2,("C"));                  dmsg(2,("C"));
606                  CacheInitialSamples(pRgn->GetSample(), dynamic_cast<gig::Engine*>(pConsumer));                  CacheInitialSamples(pRgn->GetSample(), maxSamplesPerCycle);
607              }              }
608              for (uint i = 0; i < pRgn->DimensionRegions; i++) {              for (uint i = 0; i < pRgn->DimensionRegions; i++) {
609                  CacheInitialSamples(pRgn->pDimensionRegions[i]->pSample, dynamic_cast<gig::Engine*>(pConsumer));                  CacheInitialSamples(pRgn->pDimensionRegions[i]->pSample, maxSamplesPerCycle);
610              }              }
611    
612              pRgn = pInstrument->GetNextRegion();              pRgn = pInstrument->GetNextRegion();
613                iRegion++;
614          }          }
615          dmsg(1,("OK\n"));          dmsg(1,("OK\n"));
616            DispatchResourceProgressEvent(Key, 1.0f); // done; notify all consumers about progress 100%
617    
618          // we need the following for destruction later          // we need the following for destruction later
619          instr_entry_t* pEntry = new instr_entry_t;          instr_entry_t* pEntry = new instr_entry_t;
620          pEntry->iInstrument   = Key.iInstrument;          pEntry->ID.FileName   = Key.FileName;
621          pEntry->pGig          = pGig;          pEntry->ID.Index      = Key.Index;
622          // and this to check if we need to reallocate for a engine with higher value of 'MaxSamplesPerSecond'          pEntry->pFile         = pGig;
623          pEntry->MaxSamplesPerCycle = dynamic_cast<gig::Engine*>(pConsumer)->pAudioOutputDevice->MaxSamplesPerCycle();  
624            // and we save this to check if we need to reallocate for an engine with higher value of 'MaxSamplesPerSecond'
625            pEntry->MaxSamplesPerCycle = maxSamplesPerCycle;
626            
627          pArg = pEntry;          pArg = pEntry;
628    
629          return pInstrument;          return pInstrument;
630      }      }
631    
632      void InstrumentResourceManager::Destroy( ::gig::Instrument* pResource, void* pArg) {      void InstrumentResourceManager::Destroy(::gig::Instrument* pResource, void* pArg) {
633          instr_entry_t* pEntry = (instr_entry_t*) pArg;          instr_entry_t* pEntry = (instr_entry_t*) pArg;
634          Gigs.HandBack(pEntry->pGig, (GigConsumer*) pEntry->iInstrument); // conversion kinda hackish :/          // we don't need the .gig file here anymore
635            Gigs.HandBack(pEntry->pFile, reinterpret_cast<GigConsumer*>(pEntry->ID.Index)); // conversion kinda hackish :/
636          delete pEntry;          delete pEntry;
637      }      }
638    
639      void InstrumentResourceManager::OnBorrow(::gig::Instrument* pResource, InstrumentConsumer* pConsumer, void*& pArg) {      void InstrumentResourceManager::DeleteRegionIfNotUsed(::gig::DimensionRegion* pRegion, region_info_t* pRegInfo) {
640          instr_entry_t* pEntry = (instr_entry_t*) pArg;          // TODO: we could delete Region and Instrument here if they have become unused
641          if (pEntry->MaxSamplesPerCycle < dynamic_cast<gig::Engine*>(pConsumer)->pAudioOutputDevice->MaxSamplesPerCycle()) {      }
642              Update(pResource, pConsumer);  
643        void InstrumentResourceManager::DeleteSampleIfNotUsed(::gig::Sample* pSample, region_info_t* pRegInfo) {
644            ::gig::File* gig = pRegInfo->file;
645            ::RIFF::File* riff = static_cast< ::RIFF::File*>(pRegInfo->pArg);
646            if (gig) {
647                gig->DeleteSample(pSample);
648                if (!gig->GetFirstSample()) {
649                    dmsg(2,("No more samples in use - freeing gig\n"));
650                    delete gig;
651                    delete riff;
652                }
653          }          }
654      }      }
655    
656      /**      /**
657         * Just a wrapper around the other @c CacheInitialSamples() method.
658         *
659         *  @param pSample - points to the sample to be cached
660         *  @param pEngine - pointer to Gig Engine Channel which caused this call
661         *                   (may be NULL, in this case default amount of samples
662         *                   will be cached)
663         */
664        void InstrumentResourceManager::CacheInitialSamples(::gig::Sample* pSample, EngineChannel* pEngineChannel) {
665            Engine* pEngine =
666                (pEngineChannel && pEngineChannel->GetEngine()) ?
667                    dynamic_cast<Engine*>(pEngineChannel->GetEngine()) : NULL;
668            CacheInitialSamples(pSample, pEngine);
669        }
670    
671        /**
672       *  Caches a certain size at the beginning of the given sample in RAM. If the       *  Caches a certain size at the beginning of the given sample in RAM. If the
673       *  sample is very short, the whole sample will be loaded into RAM and thus       *  sample is very short, the whole sample will be loaded into RAM and thus
674       *  no disk streaming is needed for this sample. Caching an initial part of       *  no disk streaming is needed for this sample. Caching an initial part of
# Line 88  namespace LinuxSampler { namespace gig { Line 676  namespace LinuxSampler { namespace gig {
676       *       *
677       *  @param pSample - points to the sample to be cached       *  @param pSample - points to the sample to be cached
678       *  @param pEngine - pointer to Gig Engine which caused this call       *  @param pEngine - pointer to Gig Engine which caused this call
679         *                   (may be NULL, in this case default amount of samples
680         *                   will be cached)
681       */       */
682      void InstrumentResourceManager::CacheInitialSamples(::gig::Sample* pSample, gig::Engine* pEngine) {      void InstrumentResourceManager::CacheInitialSamples(::gig::Sample* pSample, AbstractEngine* pEngine) {
683          if (!pSample || pSample->GetCache().Size) return;          uint maxSamplesPerCycle =
684          if (pSample->SamplesTotal <= NUM_RAM_PRELOAD_SAMPLES) {              (pEngine) ? pEngine->pAudioOutputDevice->MaxSamplesPerCycle() :
685                DefaultMaxSamplesPerCycle();
686            CacheInitialSamples(pSample, maxSamplesPerCycle);
687        }
688    
689        void InstrumentResourceManager::CacheInitialSamples(::gig::Sample* pSample, uint maxSamplesPerCycle) {
690            if (!pSample) {
691                dmsg(4,("gig::InstrumentResourceManager: Skipping sample (pSample == NULL)\n"));
692                return;
693            }
694            if (!pSample->SamplesTotal) return; // skip zero size samples
695    
696            if (pSample->SamplesTotal <= CONFIG_PRELOAD_SAMPLES) {
697              // Sample is too short for disk streaming, so we load the whole              // Sample is too short for disk streaming, so we load the whole
698              // sample into RAM and place 'pAudioIO->FragmentSize << MAX_PITCH'              // sample into RAM and place 'pAudioIO->FragmentSize << CONFIG_MAX_PITCH'
699              // number of '0' samples (silence samples) behind the official buffer              // number of '0' samples (silence samples) behind the official buffer
700              // border, to allow the interpolator do it's work even at the end of              // border, to allow the interpolator do it's work even at the end of
701              // the sample.              // the sample.
702              ::gig::buffer_t buf = pSample->LoadSampleDataWithNullSamplesExtension((pEngine->pAudioOutputDevice->MaxSamplesPerCycle() << MAX_PITCH) + 3);              const uint neededSilenceSamples = (maxSamplesPerCycle << CONFIG_MAX_PITCH) + 3;
703              dmsg(4,("Cached %d Bytes, %d silence bytes.\n", buf.Size, buf.NullExtensionSize));              const uint currentlyCachedSilenceSamples = pSample->GetCache().NullExtensionSize / pSample->FrameSize;
704                if (currentlyCachedSilenceSamples < neededSilenceSamples) {
705                    dmsg(3,("Caching whole sample (sample name: \"%s\", sample size: %lu)\n", pSample->pInfo->Name.c_str(), pSample->SamplesTotal));
706                    ::gig::buffer_t buf = pSample->LoadSampleDataWithNullSamplesExtension(neededSilenceSamples);
707                    dmsg(4,("Cached %lu Bytes, %lu silence bytes.\n", buf.Size, buf.NullExtensionSize));
708                }
709          }          }
710          else { // we only cache NUM_RAM_PRELOAD_SAMPLES and stream the other sample points from disk          else { // we only cache CONFIG_PRELOAD_SAMPLES and stream the other sample points from disk
711              pSample->LoadSampleData(NUM_RAM_PRELOAD_SAMPLES);              if (!pSample->GetCache().Size) pSample->LoadSampleData(CONFIG_PRELOAD_SAMPLES);
712          }          }
713    
714          if (!pSample->GetCache().Size) std::cerr << "Unable to cache sample - maybe memory full!" << std::endl << std::flush;          if (!pSample->GetCache().Size) std::cerr << "Unable to cache sample - maybe memory full!" << std::endl << std::flush;
715      }      }
716    
717        void InstrumentResourceManager::UncacheInitialSamples(::gig::Sample* pSample) {
718            dmsg(1,("Uncaching sample %p\n",(void*)pSample));
719            if (pSample->GetCache().Size) pSample->ReleaseSampleData();
720        }
721    
722        /**
723         * Returns a list with all instruments currently in use, that are part of
724         * the given file.
725         *
726         * @param pFile - search criteria
727         * @param bLock - whether we should lock (mutex) the instrument manager
728         *                during this call and unlock at the end of this call
729         */
730        std::vector< ::gig::Instrument*> InstrumentResourceManager::GetInstrumentsCurrentlyUsedOf(::gig::File* pFile, bool bLock) {
731            if (bLock) Lock();
732            std::vector< ::gig::Instrument*> result;
733            std::vector< ::gig::Instrument*> allInstruments = Resources(false/*don't lock again*/);
734            for (int i = 0; i < allInstruments.size(); i++)
735                if (
736                    (::gig::File*) allInstruments[i]->GetParent()
737                    == pFile
738                ) result.push_back(allInstruments[i]);
739            if (bLock) Unlock();
740            return result;
741        }
742    
743        /**
744         * Returns a list with all gig engine channels that are currently using
745         * the given real-time instrument script (provided as source code).
746         *
747         * @param pScript - search criteria
748         * @param bLock - whether we should lock (mutex) the instrument manager
749         *                during this call and unlock at the end of this call
750         */
751        std::set<EngineChannel*> InstrumentResourceManager::GetEngineChannelsUsingScriptSourceCode(const String& code, bool bLock) {
752            if (bLock) Lock();
753            std::set<EngineChannel*> result;
754            std::set<InstrumentScriptConsumer*> consumers = scripts.ConsumersOf(code);
755            std::set<InstrumentScriptConsumer*>::iterator iter = consumers.begin();
756            std::set<InstrumentScriptConsumer*>::iterator end  = consumers.end();
757            for (; iter != end; ++iter) {
758                EngineChannel* pEngineChannel = dynamic_cast<EngineChannel*>(*iter);
759                if (!pEngineChannel) continue;
760                result.insert(pEngineChannel);
761            }
762            if (bLock) Unlock();
763            return result;
764        }
765    
766        /**
767         * Returns a list with all gig engine channels that are currently using
768         * the given instrument.
769         *
770         * @param pInstrument - search criteria
771         * @param bLock - whether we should lock (mutex) the instrument manager
772         *                during this call and unlock at the end of this call
773         */
774        std::set<EngineChannel*> InstrumentResourceManager::GetEngineChannelsUsing(::gig::Instrument* pInstrument, bool bLock) {
775            if (bLock) Lock();
776            std::set<EngineChannel*> result;
777            std::set<ResourceConsumer< ::gig::Instrument>*> consumers = ConsumersOf(pInstrument);
778            std::set<ResourceConsumer< ::gig::Instrument>*>::iterator iter = consumers.begin();
779            std::set<ResourceConsumer< ::gig::Instrument>*>::iterator end  = consumers.end();
780            for (; iter != end; ++iter) {
781                EngineChannel* pEngineChannel = dynamic_cast<EngineChannel*>(*iter);
782                if (!pEngineChannel) continue;
783                result.insert(pEngineChannel);
784            }
785            if (bLock) Unlock();
786            return result;
787        }
788    
789        /**
790         * Returns a list with all gig Engines that are currently using the given
791         * instrument.
792         *
793         * @param pInstrument - search criteria
794         * @param bLock - whether we should lock (mutex) the instrument manager
795         *                during this call and unlock at the end of this call
796         */
797        std::set<Engine*> InstrumentResourceManager::GetEnginesUsing(::gig::Instrument* pInstrument, bool bLock) {
798            if (bLock) Lock();
799            std::set<Engine*> result;
800            std::set<ResourceConsumer< ::gig::Instrument>*> consumers = ConsumersOf(pInstrument);
801            std::set<ResourceConsumer< ::gig::Instrument>*>::iterator iter = consumers.begin();
802            std::set<ResourceConsumer< ::gig::Instrument>*>::iterator end  = consumers.end();
803            for (; iter != end; ++iter) {
804                EngineChannel* pEngineChannel = dynamic_cast<EngineChannel*>(*iter);
805                if (!pEngineChannel) continue;
806                Engine* pEngine = dynamic_cast<Engine*>(pEngineChannel->GetEngine());
807                if (!pEngine) continue;
808                result.insert(pEngine);
809            }
810            if (bLock) Unlock();
811            return result;
812        }
813    
814        /**
815         * Returns a list with all gig Engines that are currently using an
816         * instrument that is part of the given instrument file.
817         *
818         * @param pFile - search criteria
819         * @param bLock - whether we should lock (mutex) the instrument manager
820         *                during this call and unlock at the end of this call
821         */
822        std::set<Engine*> InstrumentResourceManager::GetEnginesUsing(::gig::File* pFile, bool bLock) {
823            if (bLock) Lock();
824            // get all instruments (currently in usage) that use that same gig::File
825            std::vector< ::gig::Instrument*> instrumentsOfInterest =
826                GetInstrumentsCurrentlyUsedOf(pFile, false/*don't lock again*/);
827    
828            // get all engines that use that same gig::File
829            std::set<Engine*> result;
830            {
831                for (int i = 0; i < instrumentsOfInterest.size(); i++) {
832                    std::set<ResourceConsumer< ::gig::Instrument>*> consumers = ConsumersOf(instrumentsOfInterest[i]);
833                    std::set<ResourceConsumer< ::gig::Instrument>*>::iterator iter = consumers.begin();
834                    std::set<ResourceConsumer< ::gig::Instrument>*>::iterator end  = consumers.end();
835                    for (; iter != end; ++iter) {
836                        EngineChannel* pEngineChannel = dynamic_cast<EngineChannel*>(*iter);
837                        if (!pEngineChannel) continue;
838                        Engine* pEngine = dynamic_cast<Engine*>(pEngineChannel->GetEngine());
839                        if (!pEngine) continue;
840                        // the unique, sorted container std::set makes
841                        // sure we won't have duplicates
842                        result.insert(pEngine);
843                    }
844                }
845            }
846            if (bLock) Unlock();
847            return result;
848        }
849    
850        /**
851         * Returns @c true in case the given sample is referenced somewhere by the
852         * given instrument, @c false otherwise.
853         *
854         * @param pSample - sample reference
855         * @param pInstrument - instrument that might use that sample
856         */
857        bool InstrumentResourceManager::SampleReferencedByInstrument(::gig::Sample* pSample, ::gig::Instrument* pInstrument) {
858            for (
859                ::gig::Region* pRegion = pInstrument->GetFirstRegion();
860                pRegion; pRegion = pInstrument->GetNextRegion()
861            ) {
862                for (
863                    int i = 0; i < pRegion->DimensionRegions &&
864                    pRegion->pDimensionRegions[i]; i++
865                ) {
866                    if (pRegion->pDimensionRegions[i]->pSample == pSample)
867                        return true;
868                }
869            }
870            return false;
871        }
872    
873        /**
874         * Suspend all gig engines that use the given instrument. This means
875         * completely stopping playback on those engines and killing all their
876         * voices and disk streams. This method will block until all voices AND
877         * their disk streams are finally deleted and the engine turned into a
878         * complete idle loop.
879         *
880         * All @c SuspendEnginesUsing() methods only serve one thread by one and
881         * block all other threads until the current active thread called
882         * @c ResumeAllEngines() .
883         *
884         * @param pInstrument - search criteria
885         */
886        void InstrumentResourceManager::SuspendEnginesUsing(::gig::Instrument* pInstrument) {
887            // make sure no other thread suspends whole engines at the same time
888            suspendedEnginesMutex.Lock();
889            // get all engines that use that same gig::Instrument
890            suspendedEngines = GetEnginesUsing(pInstrument, true/*lock*/);
891            // finally, completely suspend all engines that use that same gig::Instrument
892            std::set<Engine*>::iterator iter = suspendedEngines.begin();
893            std::set<Engine*>::iterator end  = suspendedEngines.end();
894            for (; iter != end; ++iter) (*iter)->SuspendAll();
895        }
896    
897        /**
898         * Suspend all gig engines that use the given instrument file. This means
899         * completely stopping playback on those engines and killing all their
900         * voices and disk streams. This method will block until all voices AND
901         * their disk streams are finally deleted and the engine turned into a
902         * complete idle loop.
903         *
904         * All @c SuspendEnginesUsing() methods only serve one thread by one and
905         * block all other threads until the current active thread called
906         * @c ResumeAllEngines() .
907         *
908         * @param pFile - search criteria
909         */
910        void InstrumentResourceManager::SuspendEnginesUsing(::gig::File* pFile) {
911            // make sure no other thread suspends whole engines at the same time
912            suspendedEnginesMutex.Lock();
913            // get all engines that use that same gig::File
914            suspendedEngines = GetEnginesUsing(pFile, true/*lock*/);
915            // finally, completely suspend all engines that use that same gig::File
916            std::set<Engine*>::iterator iter = suspendedEngines.begin();
917            std::set<Engine*>::iterator end  = suspendedEngines.end();
918            for (; iter != end; ++iter) (*iter)->SuspendAll();
919        }
920    
921        /**
922         * MUST be called after one called one of the @c SuspendEnginesUsing()
923         * methods, to resume normal playback on all previously suspended engines.
924         * As it's only possible for one thread to suspend whole engines at the
925         * same time, this method doesn't take any arguments.
926         */
927        void InstrumentResourceManager::ResumeAllEngines() {
928            // resume all previously completely suspended engines
929            std::set<Engine*>::iterator iter = suspendedEngines.begin();
930            std::set<Engine*>::iterator end  = suspendedEngines.end();
931            for (; iter != end; ++iter) (*iter)->ResumeAll();
932            // no more suspended engines ...
933            suspendedEngines.clear();
934            // allow another thread to suspend whole engines
935            suspendedEnginesMutex.Unlock();
936        }
937    
938    
939    
940      // internal gig file manager      // internal gig file manager
# Line 121  namespace LinuxSampler { namespace gig { Line 949  namespace LinuxSampler { namespace gig {
949      }      }
950    
951      void InstrumentResourceManager::GigResourceManager::Destroy(::gig::File* pResource, void* pArg) {      void InstrumentResourceManager::GigResourceManager::Destroy(::gig::File* pResource, void* pArg) {
952          dmsg(1,("Freeing gig file from memory..."));          dmsg(1,("Freeing gig file '%s' from memory ...", pResource->GetFileName().c_str()));
953          delete pResource;  
954          delete (::RIFF::File*) pArg;          // Delete as much as possible of the gig file. Some of the
955            // dimension regions and samples may still be in use - these
956            // will be deleted later by the HandBackDimReg function.
957            bool deleteFile = true;
958            ::gig::Instrument* nextInstrument;
959            for (::gig::Instrument* instrument = pResource->GetFirstInstrument() ;
960                 instrument ;
961                 instrument = nextInstrument) {
962                nextInstrument = pResource->GetNextInstrument();
963                bool deleteInstrument = true;
964                ::gig::Region* nextRegion;
965                for (::gig::Region *region = instrument->GetFirstRegion() ;
966                     region ;
967                     region = nextRegion) {
968                    nextRegion = instrument->GetNextRegion();
969                    bool deleteRegion = true;
970                    for (int i = 0 ; i < region->DimensionRegions ; i++)
971                    {
972                        ::gig::DimensionRegion *d = region->pDimensionRegions[i];
973                        std::map< ::gig::DimensionRegion*, region_info_t>::iterator iter = parent->RegionInfo.find(d);
974                        if (iter != parent->RegionInfo.end()) {
975                            region_info_t& dimRegInfo = (*iter).second;
976                            dimRegInfo.file = pResource;
977                            dimRegInfo.pArg = (::RIFF::File*)pArg;
978                            deleteFile = deleteInstrument = deleteRegion = false;
979                        }
980                    }
981                    if (deleteRegion) instrument->DeleteRegion(region);
982                }
983                if (deleteInstrument) pResource->DeleteInstrument(instrument);
984            }
985            if (deleteFile) {
986                delete pResource;
987                delete (::RIFF::File*) pArg;
988            } else {
989                dmsg(2,("keeping some samples that are in use..."));
990                ::gig::Sample* nextSample;
991                for (::gig::Sample* sample = pResource->GetFirstSample() ;
992                     sample ;
993                     sample = nextSample) {
994                    nextSample = pResource->GetNextSample();
995                    if (parent->SampleRefCount.find(sample) == parent->SampleRefCount.end()) {
996                        pResource->DeleteSample(sample);
997                    }
998                }
999            }
1000          dmsg(1,("OK\n"));          dmsg(1,("OK\n"));
1001      }      }
1002    
Legend:
Removed from v.56  
changed lines
  Added in v.2902
  ViewVC Help
Powered by ViewVC