/[svn]/linuxsampler/trunk/src/drivers/midi/MidiInstrumentMapper.cpp
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Contents of /linuxsampler/trunk/src/drivers/midi/MidiInstrumentMapper.cpp

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Revision 1754 - (show annotations) (download)
Tue Aug 12 16:18:59 2008 UTC (12 years, 9 months ago) by iliev
File size: 16873 byte(s)
* bugfix: the bank number provided by MIDI_INSTRUMENT_INFO notifications
  was incorrect

1 /***************************************************************************
2 * *
3 * Copyright (C) 2006 - 2007 Christian Schoenebeck *
4 * *
5 * This library is free software; you can redistribute it and/or modify *
6 * it under the terms of the GNU General Public License as published by *
7 * the Free Software Foundation; either version 2 of the License, or *
8 * (at your option) any later version. *
9 * *
10 * This library is distributed in the hope that it will be useful, *
11 * but WITHOUT ANY WARRANTY; without even the implied warranty of *
12 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the *
13 * GNU General Public License for more details. *
14 * *
15 * You should have received a copy of the GNU General Public License *
16 * along with this library; if not, write to the Free Software *
17 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, *
18 * MA 02111-1307 USA *
19 ***************************************************************************/
20
21 #include "MidiInstrumentMapper.h"
22
23 #include "../../common/global_private.h"
24 #include "../../common/Mutex.h"
25 #include "../../engines/EngineFactory.h"
26 #include "../../engines/Engine.h"
27
28 namespace LinuxSampler {
29
30 // same as entry_t but without 'LoadMode'
31 struct private_entry_t {
32 String EngineName;
33 String InstrumentFile;
34 uint InstrumentIndex;
35 float Volume;
36 String Name;
37 };
38
39 // internal map type (MIDI bank&prog) -> (Engine,File,Index)
40 class MidiInstrumentMap : public std::map<midi_prog_index_t,private_entry_t> {
41 public:
42 String name;
43 };
44
45 // here we store all maps
46 std::map<int,MidiInstrumentMap> midiMaps;
47
48 // for synchronization of midiMaps
49 Mutex midiMapsMutex;
50
51 ListenerList<MidiInstrumentCountListener*> MidiInstrumentMapper::llMidiInstrumentCountListeners;
52 ListenerList<MidiInstrumentInfoListener*> MidiInstrumentMapper::llMidiInstrumentInfoListeners;
53 ListenerList<MidiInstrumentMapCountListener*> MidiInstrumentMapper::llMidiInstrumentMapCountListeners;
54 ListenerList<MidiInstrumentMapInfoListener*> MidiInstrumentMapper::llMidiInstrumentMapInfoListeners;
55 int MidiInstrumentMapper::DefaultMap;
56
57 void MidiInstrumentMapper::AddMidiInstrumentCountListener(MidiInstrumentCountListener* l) {
58 llMidiInstrumentCountListeners.AddListener(l);
59 }
60
61 void MidiInstrumentMapper::RemoveMidiInstrumentCountListener(MidiInstrumentCountListener* l) {
62 llMidiInstrumentCountListeners.RemoveListener(l);
63 }
64
65 void MidiInstrumentMapper::fireMidiInstrumentCountChanged(int MapId, int NewCount) {
66 for (int i = 0; i < llMidiInstrumentCountListeners.GetListenerCount(); i++) {
67 llMidiInstrumentCountListeners.GetListener(i)->MidiInstrumentCountChanged(MapId, NewCount);
68 }
69 }
70
71 void MidiInstrumentMapper::AddMidiInstrumentInfoListener(MidiInstrumentInfoListener* l) {
72 llMidiInstrumentInfoListeners.AddListener(l);
73 }
74
75 void MidiInstrumentMapper::RemoveMidiInstrumentInfoListener(MidiInstrumentInfoListener* l) {
76 llMidiInstrumentInfoListeners.RemoveListener(l);
77 }
78
79 void MidiInstrumentMapper::fireMidiInstrumentInfoChanged(int MapId, int Bank, int Program) {
80 for (int i = 0; i < llMidiInstrumentInfoListeners.GetListenerCount(); i++) {
81 llMidiInstrumentInfoListeners.GetListener(i)->MidiInstrumentInfoChanged(MapId, Bank, Program);
82 }
83 }
84
85 void MidiInstrumentMapper::AddMidiInstrumentMapCountListener(MidiInstrumentMapCountListener* l) {
86 llMidiInstrumentMapCountListeners.AddListener(l);
87 }
88
89 void MidiInstrumentMapper::RemoveMidiInstrumentMapCountListener(MidiInstrumentMapCountListener* l) {
90 llMidiInstrumentMapCountListeners.RemoveListener(l);
91 }
92
93 void MidiInstrumentMapper::fireMidiInstrumentMapCountChanged(int NewCount) {
94 for (int i = 0; i < llMidiInstrumentMapCountListeners.GetListenerCount(); i++) {
95 llMidiInstrumentMapCountListeners.GetListener(i)->MidiInstrumentMapCountChanged(NewCount);
96 }
97 }
98
99 void MidiInstrumentMapper::AddMidiInstrumentMapInfoListener(MidiInstrumentMapInfoListener* l) {
100 llMidiInstrumentMapInfoListeners.AddListener(l);
101 }
102
103 void MidiInstrumentMapper::RemoveMidiInstrumentMapInfoListener(MidiInstrumentMapInfoListener* l) {
104 llMidiInstrumentMapInfoListeners.RemoveListener(l);
105 }
106
107 void MidiInstrumentMapper::fireMidiInstrumentMapInfoChanged(int MapId) {
108 for (int i = 0; i < llMidiInstrumentMapInfoListeners.GetListenerCount(); i++) {
109 llMidiInstrumentMapInfoListeners.GetListener(i)->MidiInstrumentMapInfoChanged(MapId);
110 }
111 }
112
113 void MidiInstrumentMapper::AddOrReplaceEntry(int Map, midi_prog_index_t Index, entry_t Entry, bool bInBackground) throw (Exception) {
114 if (bInBackground) {
115 dmsg(3,("MidiInstrumentMapper: updating mapping %d (%d,%d,%d) -> ('%s','%s',%d) with vol=%f, mode=%d in background\n",
116 Map,
117 Index.midi_bank_msb,Index.midi_bank_lsb,Index.midi_prog,
118 Entry.EngineName.c_str(),Entry.InstrumentFile.c_str(),Entry.InstrumentIndex,
119 Entry.Volume,Entry.LoadMode)
120 );
121 } else {
122 dmsg(3,("MidiInstrumentMapper: updating mapping %d (%d,%d,%d) -> ('%s','%s',%d) with vol=%f, mode=%d\n",
123 Map,
124 Index.midi_bank_msb,Index.midi_bank_lsb,Index.midi_prog,
125 Entry.EngineName.c_str(),Entry.InstrumentFile.c_str(),Entry.InstrumentIndex,
126 Entry.Volume,Entry.LoadMode)
127 );
128 }
129 midiMapsMutex.Lock();
130 if (midiMaps.empty()) {
131 midiMapsMutex.Unlock();
132 throw Exception("There is no MIDI instrument map, you have to add one first.");
133 }
134 midiMapsMutex.Unlock();
135 if (!Entry.InstrumentFile.size())
136 throw Exception("No instrument file name given");
137 // TODO: an easy one - we should check here if given file exists and throw an exception if it doesn't
138 if (Entry.Volume < 0.0)
139 throw Exception("Volume may not be a negative value");
140 Engine* pEngine = EngineFactory::Create(Entry.EngineName);
141 if (!pEngine)
142 throw Exception("No such engine type '"+Entry.EngineName+"'");
143 Entry.EngineName = pEngine->EngineName(); // make sure to use the official engine name
144 if (pEngine->GetInstrumentManager()) {
145 InstrumentManager::instrument_id_t id;
146 id.FileName = Entry.InstrumentFile;
147 id.Index = Entry.InstrumentIndex;
148 if (Entry.LoadMode != DONTCARE) {
149 if (bInBackground)
150 pEngine->GetInstrumentManager()->SetModeInBackground(id, static_cast<InstrumentManager::mode_t>(Entry.LoadMode));
151 else
152 pEngine->GetInstrumentManager()->SetMode(id, static_cast<InstrumentManager::mode_t>(Entry.LoadMode));
153 }
154 } else {
155 dmsg(1,("WARNING: no InstrumentManager for engine '%s'\n",Entry.EngineName.c_str()));
156 }
157 private_entry_t privateEntry;
158 privateEntry.EngineName = Entry.EngineName;
159 privateEntry.InstrumentFile = Entry.InstrumentFile;
160 privateEntry.InstrumentIndex = Entry.InstrumentIndex;
161 privateEntry.Volume = Entry.Volume;
162 privateEntry.Name = Entry.Name;
163
164 bool Replaced = false;
165 int InstrCount = 0;
166
167 midiMapsMutex.Lock();
168 std::map<int,MidiInstrumentMap>::iterator iterMap = midiMaps.find(Map);
169 if (iterMap != midiMaps.end()) { // map found
170 Replaced = (iterMap->second.find(Index) != iterMap->second.end());
171 iterMap->second[Index] = privateEntry;
172 InstrCount = iterMap->second.size();
173 } else { // no such map
174 midiMapsMutex.Unlock();
175 EngineFactory::Destroy(pEngine);
176 throw Exception("There is no MIDI instrument map " + ToString(Map));
177 }
178 midiMapsMutex.Unlock();
179 EngineFactory::Destroy(pEngine);
180
181 if (Replaced) {
182 int Bank = (int(Index.midi_bank_msb) << 7) | int(Index.midi_bank_lsb);
183 fireMidiInstrumentInfoChanged(Map, Bank, Index.midi_prog);
184 } else {
185 fireMidiInstrumentCountChanged(Map, InstrCount);
186 }
187 }
188
189 void MidiInstrumentMapper::RemoveEntry(int Map, midi_prog_index_t Index) {
190 int InstrCount = -1;
191
192 midiMapsMutex.Lock();
193 std::map<int,MidiInstrumentMap>::iterator iterMap = midiMaps.find(Map);
194 if (iterMap != midiMaps.end()) { // map found
195 iterMap->second.erase(Index); // remove entry
196 InstrCount = iterMap->second.size();
197 }
198 midiMapsMutex.Unlock();
199
200 if (InstrCount != -1) {
201 fireMidiInstrumentCountChanged(Map, InstrCount);
202 }
203 }
204
205 void MidiInstrumentMapper::RemoveAllEntries(int Map) {
206 int InstrCount = -1;
207
208 midiMapsMutex.Lock();
209 std::map<int,MidiInstrumentMap>::iterator iterMap = midiMaps.find(Map);
210 if (iterMap != midiMaps.end()) { // map found
211 iterMap->second.clear(); // clear that map
212 InstrCount = 0;
213 }
214 midiMapsMutex.Unlock();
215
216 if (InstrCount != -1) {
217 fireMidiInstrumentCountChanged(Map, InstrCount);
218 }
219 }
220
221 std::map<midi_prog_index_t,MidiInstrumentMapper::entry_t> MidiInstrumentMapper::Entries(int Map) throw (Exception) {
222 std::map<midi_prog_index_t,entry_t> result;
223
224 // copy the internal map first
225 midiMapsMutex.Lock();
226 std::map<int,MidiInstrumentMap>::iterator iterMap = midiMaps.find(Map);
227 if (iterMap == midiMaps.end()) { // no such map
228 midiMapsMutex.Unlock();
229 throw Exception("There is no MIDI instrument map " + ToString(Map));
230 }
231 for (std::map<midi_prog_index_t,private_entry_t>::iterator iterEntry = iterMap->second.begin();
232 iterEntry != iterMap->second.end(); iterEntry++)
233 {
234 entry_t entry;
235 entry.EngineName = iterEntry->second.EngineName;
236 entry.InstrumentFile = iterEntry->second.InstrumentFile;
237 entry.InstrumentIndex = iterEntry->second.InstrumentIndex;
238 entry.Volume = iterEntry->second.Volume;
239 entry.Name = iterEntry->second.Name;
240 result[iterEntry->first] = entry;
241 }
242 midiMapsMutex.Unlock();
243
244 // complete it with current LoadMode of each entry
245 for (std::map<midi_prog_index_t,entry_t>::iterator iter = result.begin();
246 iter != result.end(); iter++)
247 {
248 entry_t& entry = iter->second;
249 Engine* pEngine = EngineFactory::Create(entry.EngineName);
250 if (!pEngine) { // invalid mapping
251 RemoveEntry(Map, iter->first);
252 result.erase(iter);
253 continue;
254 }
255 InstrumentManager* pManager = pEngine->GetInstrumentManager();
256 if (pManager) { // engine provides an InstrumentManager
257 InstrumentManager::instrument_id_t id;
258 id.FileName = entry.InstrumentFile;
259 id.Index = entry.InstrumentIndex;
260 entry.LoadMode = static_cast<mode_t>(pManager->GetMode(id));
261 } else { // engine does not provide an InstrumentManager
262 // use default value
263 entry.LoadMode = ON_DEMAND;
264 }
265 EngineFactory::Destroy(pEngine);
266 }
267 return result;
268 }
269
270 std::vector<int> MidiInstrumentMapper::Maps() {
271 std::vector<int> result;
272 midiMapsMutex.Lock();
273 for (std::map<int,MidiInstrumentMap>::iterator iterMap = midiMaps.begin();
274 iterMap != midiMaps.end(); iterMap++)
275 {
276 result.push_back(iterMap->first);
277 }
278 midiMapsMutex.Unlock();
279 return result;
280 }
281
282 int MidiInstrumentMapper::GetMapCount() {
283 midiMapsMutex.Lock();
284 int i = midiMaps.size();
285 midiMapsMutex.Unlock();
286 return i;
287 }
288
289 int MidiInstrumentMapper::AddMap(String MapName) throw (Exception) {
290 int ID;
291 midiMapsMutex.Lock();
292 if (midiMaps.empty()) ID = 0;
293 else {
294 // get the highest existing map ID
295 uint lastIndex = (--(midiMaps.end()))->first;
296 // check if we reached the index limit
297 if (lastIndex + 1 < lastIndex) {
298 // search for an unoccupied map ID starting from 0
299 for (uint i = 0; i < lastIndex; i++) {
300 if (midiMaps.find(i) != midiMaps.end()) continue;
301 // we found an unused ID, so insert the new map there
302 ID = i;
303 goto __create_map;
304 }
305 throw Exception("Internal error: could not find unoccupied MIDI instrument map ID.");
306 }
307 ID = lastIndex + 1;
308 }
309 __create_map:
310 midiMaps[ID].name = MapName;
311
312 fireMidiInstrumentMapCountChanged(Maps().size());
313 // If there were no maps until now we must set a default map.
314 if (midiMaps.size() == 1) SetDefaultMap(ID);
315 midiMapsMutex.Unlock();
316
317 return ID;
318 }
319
320 String MidiInstrumentMapper::MapName(int Map) throw (Exception) {
321 String result;
322 midiMapsMutex.Lock();
323 std::map<int,MidiInstrumentMap>::iterator iterMap = midiMaps.find(Map);
324 if (iterMap == midiMaps.end()) {
325 midiMapsMutex.Unlock();
326 throw Exception("There is no MIDI instrument map " + ToString(Map));
327 }
328 result = iterMap->second.name;
329 midiMapsMutex.Unlock();
330 return result;
331 }
332
333 void MidiInstrumentMapper::RenameMap(int Map, String NewName) throw (Exception) {
334 midiMapsMutex.Lock();
335 std::map<int,MidiInstrumentMap>::iterator iterMap = midiMaps.find(Map);
336 if (iterMap == midiMaps.end()) {
337 midiMapsMutex.Unlock();
338 throw Exception("There is no MIDI instrument map " + ToString(Map));
339 }
340 iterMap->second.name = NewName;
341 midiMapsMutex.Unlock();
342 fireMidiInstrumentMapInfoChanged(Map);
343 }
344
345 void MidiInstrumentMapper::RemoveMap(int Map) {
346 midiMapsMutex.Lock();
347 midiMaps.erase(Map);
348 if(Map == GetDefaultMap()) {
349 SetDefaultMap(midiMaps.empty() ? -1 : (*(midiMaps.begin())).first);
350 }
351 fireMidiInstrumentMapCountChanged(Maps().size());
352 midiMapsMutex.Unlock();
353 }
354
355 void MidiInstrumentMapper::RemoveAllMaps() {
356 midiMapsMutex.Lock();
357 midiMaps.clear();
358 SetDefaultMap(-1);
359 fireMidiInstrumentMapCountChanged(Maps().size());
360 midiMapsMutex.Unlock();
361 }
362
363 int MidiInstrumentMapper::GetDefaultMap() {
364 midiMapsMutex.Lock();
365 int i = DefaultMap;
366 midiMapsMutex.Unlock();
367 return i;
368 }
369
370 void MidiInstrumentMapper::SetDefaultMap(int MapId) {
371 midiMapsMutex.Lock();
372 DefaultMap = MapId;
373 midiMapsMutex.Unlock();
374
375 if (MapId != -1) fireMidiInstrumentMapInfoChanged(MapId);
376 }
377
378 optional<MidiInstrumentMapper::entry_t> MidiInstrumentMapper::GetEntry(int Map, midi_prog_index_t Index) {
379 optional<entry_t> result;
380 midiMapsMutex.Lock();
381 std::map<int,MidiInstrumentMap>::iterator iterMap = midiMaps.find(Map);
382 if (iterMap != midiMaps.end()) { // map found
383 std::map<midi_prog_index_t,private_entry_t>::iterator iterEntry = iterMap->second.find(Index);
384 if (iterEntry != iterMap->second.end()) {
385 entry_t entry;
386 entry.EngineName = iterEntry->second.EngineName;
387 entry.InstrumentFile = iterEntry->second.InstrumentFile;
388 entry.InstrumentIndex = iterEntry->second.InstrumentIndex;
389 entry.Volume = iterEntry->second.Volume;
390 //TODO: for now we skip the LoadMode and Name entry here, since we don't need it in the MidiInputPort
391 result = entry;
392 }
393 }
394 midiMapsMutex.Unlock();
395 return result;
396 }
397
398 } // namespace LinuxSampler

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