/[svn]/linuxsampler/trunk/src/drivers/midi/MidiInputPort.cpp
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Annotation of /linuxsampler/trunk/src/drivers/midi/MidiInputPort.cpp

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Revision 947 - (hide annotations) (download)
Mon Nov 27 21:34:55 2006 UTC (17 years, 4 months ago) by schoenebeck
File size: 21758 byte(s)
* implemented MIDI instrument mapping according to latest LSCP draft

1 schoenebeck 221 /***************************************************************************
2     * *
3     * LinuxSampler - modular, streaming capable sampler *
4     * *
5     * Copyright (C) 2003, 2004 by Benno Senoner and Christian Schoenebeck *
6 schoenebeck 880 * Copyright (C) 2005, 2006 Christian Schoenebeck *
7 schoenebeck 221 * *
8     * 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 *
10     * the Free Software Foundation; either version 2 of the License, or *
11     * (at your option) any later version. *
12     * *
13     * This program is distributed in the hope that it will be useful, *
14     * but WITHOUT ANY WARRANTY; without even the implied warranty of *
15     * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the *
16     * GNU General Public License for more details. *
17     * *
18     * You should have received a copy of the GNU General Public License *
19     * along with this program; if not, write to the Free Software *
20     * Foundation, Inc., 59 Temple Place, Suite 330, Boston, *
21     * MA 02111-1307 USA *
22     ***************************************************************************/
23    
24     #include "MidiInputPort.h"
25    
26 schoenebeck 947 #include "MidiInstrumentMapper.h"
27 schoenebeck 551 #include "../../Sampler.h"
28 schoenebeck 775 #include "../../engines/EngineFactory.h"
29 schoenebeck 551
30 schoenebeck 221 namespace LinuxSampler {
31    
32     // *************** ParameterName ***************
33     // *
34    
35     MidiInputPort::ParameterName::ParameterName(MidiInputPort* pPort) : DeviceRuntimeParameterString("Port " + ToString(pPort->GetPortNumber())) {
36     this->pPort = pPort;
37     }
38    
39     MidiInputPort::ParameterName::ParameterName(MidiInputPort* pPort, String val) : DeviceRuntimeParameterString(val) {
40     this->pPort = pPort;
41     }
42    
43     String MidiInputPort::ParameterName::Description() {
44     return "Name for this port";
45     }
46    
47     bool MidiInputPort::ParameterName::Fix() {
48     return false;
49     }
50    
51     std::vector<String> MidiInputPort::ParameterName::PossibilitiesAsString() {
52     return std::vector<String>();
53     }
54    
55 schoenebeck 880 void MidiInputPort::ParameterName::OnSetValue(String s) throw (Exception) {
56 schoenebeck 221 return; /* FIXME: Nothing to do here */
57     }
58    
59    
60    
61     // *************** MidiInputPort ***************
62     // *
63    
64     MidiInputPort::~MidiInputPort() {
65     std::map<String,DeviceRuntimeParameter*>::iterator iter = Parameters.begin();
66     while (iter != Parameters.end()) {
67     delete iter->second;
68     iter++;
69     }
70 persson 836 Parameters.clear();
71 schoenebeck 221 }
72    
73 persson 846 MidiInputPort::MidiInputPort(MidiInputDevice* pDevice, int portNumber)
74     : MidiChannelMapReader(MidiChannelMap),
75     SysexListenersReader(SysexListeners) {
76 schoenebeck 221 this->pDevice = pDevice;
77     this->portNumber = portNumber;
78     Parameters["NAME"] = new ParameterName(this);
79     }
80    
81     MidiInputDevice* MidiInputPort::GetDevice() {
82     return pDevice;
83     }
84    
85     uint MidiInputPort::GetPortNumber() {
86     return portNumber;
87     }
88    
89     std::map<String,DeviceRuntimeParameter*> MidiInputPort::PortParameters() {
90     return Parameters;
91     }
92    
93     void MidiInputPort::DispatchNoteOn(uint8_t Key, uint8_t Velocity, uint MidiChannel) {
94 persson 922 if (Key > 127 || Velocity > 127 || MidiChannel > 16) return;
95 persson 846 const MidiChannelMap_t& midiChannelMap = MidiChannelMapReader.Lock();
96 schoenebeck 274 // dispatch event for engines listening to the same MIDI channel
97     {
98 persson 840 std::set<EngineChannel*>::iterator engineiter = midiChannelMap[MidiChannel].begin();
99     std::set<EngineChannel*>::iterator end = midiChannelMap[MidiChannel].end();
100 schoenebeck 274 for (; engineiter != end; engineiter++) (*engineiter)->SendNoteOn(Key, Velocity);
101     }
102     // dispatch event for engines listening to ALL MIDI channels
103     {
104 persson 840 std::set<EngineChannel*>::iterator engineiter = midiChannelMap[midi_chan_all].begin();
105     std::set<EngineChannel*>::iterator end = midiChannelMap[midi_chan_all].end();
106 schoenebeck 274 for (; engineiter != end; engineiter++) (*engineiter)->SendNoteOn(Key, Velocity);
107     }
108 persson 846 MidiChannelMapReader.Unlock();
109 schoenebeck 221 }
110    
111 schoenebeck 906 void MidiInputPort::DispatchNoteOn(uint8_t Key, uint8_t Velocity, uint MidiChannel, int32_t FragmentPos) {
112 persson 922 if (Key > 127 || Velocity > 127 || MidiChannel > 16) return;
113 schoenebeck 906 const MidiChannelMap_t& midiChannelMap = MidiChannelMapReader.Lock();
114     // dispatch event for engines listening to the same MIDI channel
115     {
116     std::set<EngineChannel*>::iterator engineiter = midiChannelMap[MidiChannel].begin();
117     std::set<EngineChannel*>::iterator end = midiChannelMap[MidiChannel].end();
118     for (; engineiter != end; engineiter++) (*engineiter)->SendNoteOn(Key, Velocity, FragmentPos);
119     }
120     // dispatch event for engines listening to ALL MIDI channels
121     {
122     std::set<EngineChannel*>::iterator engineiter = midiChannelMap[midi_chan_all].begin();
123     std::set<EngineChannel*>::iterator end = midiChannelMap[midi_chan_all].end();
124     for (; engineiter != end; engineiter++) (*engineiter)->SendNoteOn(Key, Velocity, FragmentPos);
125     }
126     MidiChannelMapReader.Unlock();
127     }
128    
129 schoenebeck 221 void MidiInputPort::DispatchNoteOff(uint8_t Key, uint8_t Velocity, uint MidiChannel) {
130 persson 922 if (Key > 127 || Velocity > 127 || MidiChannel > 16) return;
131 persson 846 const MidiChannelMap_t& midiChannelMap = MidiChannelMapReader.Lock();
132 schoenebeck 274 // dispatch event for engines listening to the same MIDI channel
133     {
134 persson 840 std::set<EngineChannel*>::iterator engineiter = midiChannelMap[MidiChannel].begin();
135     std::set<EngineChannel*>::iterator end = midiChannelMap[MidiChannel].end();
136 schoenebeck 274 for (; engineiter != end; engineiter++) (*engineiter)->SendNoteOff(Key, Velocity);
137     }
138     // dispatch event for engines listening to ALL MIDI channels
139     {
140 persson 840 std::set<EngineChannel*>::iterator engineiter = midiChannelMap[midi_chan_all].begin();
141     std::set<EngineChannel*>::iterator end = midiChannelMap[midi_chan_all].end();
142 schoenebeck 274 for (; engineiter != end; engineiter++) (*engineiter)->SendNoteOff(Key, Velocity);
143     }
144 persson 846 MidiChannelMapReader.Unlock();
145 schoenebeck 221 }
146    
147 schoenebeck 906 void MidiInputPort::DispatchNoteOff(uint8_t Key, uint8_t Velocity, uint MidiChannel, int32_t FragmentPos) {
148 persson 922 if (Key > 127 || Velocity > 127 || MidiChannel > 16) return;
149 schoenebeck 906 const MidiChannelMap_t& midiChannelMap = MidiChannelMapReader.Lock();
150     // dispatch event for engines listening to the same MIDI channel
151     {
152     std::set<EngineChannel*>::iterator engineiter = midiChannelMap[MidiChannel].begin();
153     std::set<EngineChannel*>::iterator end = midiChannelMap[MidiChannel].end();
154     for (; engineiter != end; engineiter++) (*engineiter)->SendNoteOff(Key, Velocity, FragmentPos);
155     }
156     // dispatch event for engines listening to ALL MIDI channels
157     {
158     std::set<EngineChannel*>::iterator engineiter = midiChannelMap[midi_chan_all].begin();
159     std::set<EngineChannel*>::iterator end = midiChannelMap[midi_chan_all].end();
160     for (; engineiter != end; engineiter++) (*engineiter)->SendNoteOff(Key, Velocity, FragmentPos);
161     }
162     MidiChannelMapReader.Unlock();
163     }
164    
165 schoenebeck 221 void MidiInputPort::DispatchPitchbend(int Pitch, uint MidiChannel) {
166 persson 922 if (Pitch < -8192 || Pitch > 8191 || MidiChannel > 16) return;
167 persson 846 const MidiChannelMap_t& midiChannelMap = MidiChannelMapReader.Lock();
168 schoenebeck 274 // dispatch event for engines listening to the same MIDI channel
169     {
170 persson 840 std::set<EngineChannel*>::iterator engineiter = midiChannelMap[MidiChannel].begin();
171     std::set<EngineChannel*>::iterator end = midiChannelMap[MidiChannel].end();
172 schoenebeck 274 for (; engineiter != end; engineiter++) (*engineiter)->SendPitchbend(Pitch);
173     }
174     // dispatch event for engines listening to ALL MIDI channels
175     {
176 persson 840 std::set<EngineChannel*>::iterator engineiter = midiChannelMap[midi_chan_all].begin();
177     std::set<EngineChannel*>::iterator end = midiChannelMap[midi_chan_all].end();
178 schoenebeck 274 for (; engineiter != end; engineiter++) (*engineiter)->SendPitchbend(Pitch);
179     }
180 persson 846 MidiChannelMapReader.Unlock();
181 schoenebeck 221 }
182    
183 schoenebeck 906 void MidiInputPort::DispatchPitchbend(int Pitch, uint MidiChannel, int32_t FragmentPos) {
184 persson 922 if (Pitch < -8192 || Pitch > 8191 || MidiChannel > 16) return;
185 schoenebeck 906 const MidiChannelMap_t& midiChannelMap = MidiChannelMapReader.Lock();
186     // dispatch event for engines listening to the same MIDI channel
187     {
188     std::set<EngineChannel*>::iterator engineiter = midiChannelMap[MidiChannel].begin();
189     std::set<EngineChannel*>::iterator end = midiChannelMap[MidiChannel].end();
190     for (; engineiter != end; engineiter++) (*engineiter)->SendPitchbend(Pitch, FragmentPos);
191     }
192     // dispatch event for engines listening to ALL MIDI channels
193     {
194     std::set<EngineChannel*>::iterator engineiter = midiChannelMap[midi_chan_all].begin();
195     std::set<EngineChannel*>::iterator end = midiChannelMap[midi_chan_all].end();
196     for (; engineiter != end; engineiter++) (*engineiter)->SendPitchbend(Pitch, FragmentPos);
197     }
198     MidiChannelMapReader.Unlock();
199     }
200    
201 schoenebeck 221 void MidiInputPort::DispatchControlChange(uint8_t Controller, uint8_t Value, uint MidiChannel) {
202 persson 922 if (Controller > 128 || Value > 127 || MidiChannel > 16) return;
203 persson 846 const MidiChannelMap_t& midiChannelMap = MidiChannelMapReader.Lock();
204 schoenebeck 274 // dispatch event for engines listening to the same MIDI channel
205     {
206 persson 840 std::set<EngineChannel*>::iterator engineiter = midiChannelMap[MidiChannel].begin();
207     std::set<EngineChannel*>::iterator end = midiChannelMap[MidiChannel].end();
208 schoenebeck 274 for (; engineiter != end; engineiter++) (*engineiter)->SendControlChange(Controller, Value);
209     }
210     // dispatch event for engines listening to ALL MIDI channels
211     {
212 persson 840 std::set<EngineChannel*>::iterator engineiter = midiChannelMap[midi_chan_all].begin();
213     std::set<EngineChannel*>::iterator end = midiChannelMap[midi_chan_all].end();
214 schoenebeck 274 for (; engineiter != end; engineiter++) (*engineiter)->SendControlChange(Controller, Value);
215     }
216 persson 846 MidiChannelMapReader.Unlock();
217 schoenebeck 221 }
218    
219 schoenebeck 906 void MidiInputPort::DispatchControlChange(uint8_t Controller, uint8_t Value, uint MidiChannel, int32_t FragmentPos) {
220 persson 922 if (Controller > 128 || Value > 127 || MidiChannel > 16) return;
221 schoenebeck 906 const MidiChannelMap_t& midiChannelMap = MidiChannelMapReader.Lock();
222     // dispatch event for engines listening to the same MIDI channel
223     {
224     std::set<EngineChannel*>::iterator engineiter = midiChannelMap[MidiChannel].begin();
225     std::set<EngineChannel*>::iterator end = midiChannelMap[MidiChannel].end();
226     for (; engineiter != end; engineiter++) (*engineiter)->SendControlChange(Controller, Value, FragmentPos);
227     }
228     // dispatch event for engines listening to ALL MIDI channels
229     {
230     std::set<EngineChannel*>::iterator engineiter = midiChannelMap[midi_chan_all].begin();
231     std::set<EngineChannel*>::iterator end = midiChannelMap[midi_chan_all].end();
232     for (; engineiter != end; engineiter++) (*engineiter)->SendControlChange(Controller, Value, FragmentPos);
233     }
234     MidiChannelMapReader.Unlock();
235     }
236    
237 schoenebeck 244 void MidiInputPort::DispatchSysex(void* pData, uint Size) {
238 persson 846 const std::set<Engine*> allEngines = SysexListenersReader.Lock();
239 schoenebeck 775 // dispatch event to all engine instances
240 persson 846 std::set<Engine*>::iterator engineiter = allEngines.begin();
241     std::set<Engine*>::iterator end = allEngines.end();
242 schoenebeck 775 for (; engineiter != end; engineiter++) (*engineiter)->SendSysex(pData, Size);
243 persson 846 SysexListenersReader.Unlock();
244 schoenebeck 244 }
245    
246 schoenebeck 670 void MidiInputPort::DispatchProgramChange(uint8_t Program, uint MidiChannel) {
247 schoenebeck 947 dmsg(1,("Received MIDI program change (prog=%d,ch=%d)\n",Program,MidiChannel));
248 persson 922 if (Program > 127 || MidiChannel > 16) return;
249 schoenebeck 551 if (!pDevice || !pDevice->pSampler) {
250     std::cerr << "MidiInputPort: ERROR, no sampler instance to handle program change."
251     << "This is a bug, please report it!\n" << std::flush;
252     return;
253     }
254 schoenebeck 947 const MidiChannelMap_t& midiChannelMap = MidiChannelMapReader.Lock();
255     // dispatch event for engines listening to the same MIDI channel
256     {
257     std::set<EngineChannel*>::iterator engineiter = midiChannelMap[MidiChannel].begin();
258     std::set<EngineChannel*>::iterator end = midiChannelMap[MidiChannel].end();
259     for (; engineiter != end; engineiter++) {
260     (*engineiter)->SetMidiProgram(Program);
261     // is there a mapping for this MIDI bank&prog pair?
262     midi_prog_index_t midiIndex;
263     midiIndex.midi_bank_msb = (*engineiter)->GetMidiBankMsb();
264     midiIndex.midi_bank_lsb = (*engineiter)->GetMidiBankLsb();
265     midiIndex.midi_prog = (*engineiter)->GetMidiProgram();
266     optional<MidiInstrumentMapper::entry_t> mapping =
267     MidiInstrumentMapper::GetEntry(midiIndex);
268     if (mapping) { // if mapping exists ...
269     InstrumentManager::instrument_id_t id;
270     id.FileName = mapping->InstrumentFile;
271     id.Index = mapping->InstrumentIndex;
272     //TODO: we should switch the engine type here
273     InstrumentManager::LoadInstrumentInBackground(id, *engineiter);
274     (*engineiter)->Volume(mapping->Volume);
275     }
276     }
277     }
278     // dispatch event for engines listening to ALL MIDI channels
279     {
280     std::set<EngineChannel*>::iterator engineiter = midiChannelMap[midi_chan_all].begin();
281     std::set<EngineChannel*>::iterator end = midiChannelMap[midi_chan_all].end();
282     for (; engineiter != end; engineiter++) {
283     (*engineiter)->SetMidiProgram(Program);
284     // is there a mapping for this MIDI bank&prog pair?
285     midi_prog_index_t midiIndex;
286     midiIndex.midi_bank_msb = (*engineiter)->GetMidiBankMsb();
287     midiIndex.midi_bank_lsb = (*engineiter)->GetMidiBankLsb();
288     midiIndex.midi_prog = (*engineiter)->GetMidiProgram();
289     optional<MidiInstrumentMapper::entry_t> mapping =
290     MidiInstrumentMapper::GetEntry(midiIndex);
291     if (mapping) { // if mapping exists ...
292     InstrumentManager::instrument_id_t id;
293     id.FileName = mapping->InstrumentFile;
294     id.Index = mapping->InstrumentIndex;
295     //TODO: we should switch the engine type here
296     InstrumentManager::LoadInstrumentInBackground(id, *engineiter);
297     (*engineiter)->Volume(mapping->Volume);
298     }
299     }
300     }
301     MidiChannelMapReader.Unlock();
302     }
303 schoenebeck 551
304 schoenebeck 947 void MidiInputPort::DispatchBankSelectMsb(uint8_t BankMSB, uint MidiChannel) {
305     if (BankMSB > 127 || MidiChannel > 16) return;
306     if (!pDevice || !pDevice->pSampler) {
307     std::cerr << "MidiInputPort: ERROR, no sampler instance to handle bank select MSB."
308     << "This is a bug, please report it!\n" << std::flush;
309     return;
310     }
311     const MidiChannelMap_t& midiChannelMap = MidiChannelMapReader.Lock();
312     // dispatch event for engines listening to the same MIDI channel
313     {
314     std::set<EngineChannel*>::iterator engineiter = midiChannelMap[MidiChannel].begin();
315     std::set<EngineChannel*>::iterator end = midiChannelMap[MidiChannel].end();
316     // according to the MIDI specs, a bank select should not alter the patch
317     for (; engineiter != end; engineiter++) (*engineiter)->SetMidiBankMsb(BankMSB);
318     }
319     // dispatch event for engines listening to ALL MIDI channels
320     {
321     std::set<EngineChannel*>::iterator engineiter = midiChannelMap[midi_chan_all].begin();
322     std::set<EngineChannel*>::iterator end = midiChannelMap[midi_chan_all].end();
323     // according to the MIDI specs, a bank select should not alter the patch
324     for (; engineiter != end; engineiter++) (*engineiter)->SetMidiBankMsb(BankMSB);
325     }
326     MidiChannelMapReader.Unlock();
327     }
328 schoenebeck 551
329 schoenebeck 947 void MidiInputPort::DispatchBankSelectLsb(uint8_t BankLSB, uint MidiChannel) {
330     if (BankLSB > 127 || MidiChannel > 16) return;
331     if (!pDevice || !pDevice->pSampler) {
332     std::cerr << "MidiInputPort: ERROR, no sampler instance to handle bank select LSB."
333     << "This is a bug, please report it!\n" << std::flush;
334     return;
335 schoenebeck 551 }
336 schoenebeck 947 const MidiChannelMap_t& midiChannelMap = MidiChannelMapReader.Lock();
337     // dispatch event for engines listening to the same MIDI channel
338     {
339     std::set<EngineChannel*>::iterator engineiter = midiChannelMap[MidiChannel].begin();
340     std::set<EngineChannel*>::iterator end = midiChannelMap[MidiChannel].end();
341     // according to the MIDI specs, a bank select should not alter the patch
342     for (; engineiter != end; engineiter++) (*engineiter)->SetMidiBankLsb(BankLSB);
343     }
344     // dispatch event for engines listening to ALL MIDI channels
345     {
346     std::set<EngineChannel*>::iterator engineiter = midiChannelMap[midi_chan_all].begin();
347     std::set<EngineChannel*>::iterator end = midiChannelMap[midi_chan_all].end();
348     // according to the MIDI specs, a bank select should not alter the patch
349     for (; engineiter != end; engineiter++) (*engineiter)->SetMidiBankLsb(BankLSB);
350     }
351     MidiChannelMapReader.Unlock();
352 schoenebeck 551 }
353    
354 schoenebeck 411 void MidiInputPort::Connect(EngineChannel* pEngineChannel, midi_chan_t MidiChannel) {
355 schoenebeck 221 if (MidiChannel < 0 || MidiChannel > 16)
356     throw MidiInputException("MIDI channel index out of bounds");
357 schoenebeck 670
358 persson 840 // first check if desired connection is already established
359 schoenebeck 675 MidiChannelMapMutex.Lock();
360 persson 840 MidiChannelMap_t& midiChannelMap = MidiChannelMap.GetConfigForUpdate();
361     bool bAlreadyDone = midiChannelMap[MidiChannel].count(pEngineChannel);
362 schoenebeck 675 MidiChannelMapMutex.Unlock();
363     if (bAlreadyDone) return;
364    
365     // remove all other connections of that engine channel (if any)
366 schoenebeck 411 Disconnect(pEngineChannel);
367 schoenebeck 670
368 schoenebeck 675 // register engine channel on the desired MIDI channel
369 schoenebeck 551 MidiChannelMapMutex.Lock();
370 persson 840 MidiChannelMap.GetConfigForUpdate()[MidiChannel].insert(pEngineChannel);
371     MidiChannelMap.SwitchConfig()[MidiChannel].insert(pEngineChannel);
372 schoenebeck 551 MidiChannelMapMutex.Unlock();
373 schoenebeck 670
374 schoenebeck 675 // inform engine channel about this connection
375     pEngineChannel->Connect(this, MidiChannel);
376    
377 schoenebeck 670 // mark engine channel as changed
378     pEngineChannel->StatusChanged(true);
379 schoenebeck 221 }
380    
381 schoenebeck 411 void MidiInputPort::Disconnect(EngineChannel* pEngineChannel) {
382 schoenebeck 675 if (!pEngineChannel) return;
383    
384     bool bChannelFound = false;
385    
386     // unregister engine channel from all MIDI channels
387 schoenebeck 551 MidiChannelMapMutex.Lock();
388 schoenebeck 675 try {
389 persson 840 {
390     MidiChannelMap_t& midiChannelMap = MidiChannelMap.GetConfigForUpdate();
391     for (int i = 0; i <= 16; i++) {
392     bChannelFound |= midiChannelMap[i].count(pEngineChannel);
393     midiChannelMap[i].erase(pEngineChannel);
394     }
395 schoenebeck 675 }
396 persson 840 // do the same update again, after switching to the other config
397     {
398     MidiChannelMap_t& midiChannelMap = MidiChannelMap.SwitchConfig();
399     for (int i = 0; i <= 16; i++) {
400     bChannelFound |= midiChannelMap[i].count(pEngineChannel);
401     midiChannelMap[i].erase(pEngineChannel);
402     }
403     }
404 schoenebeck 675 }
405 schoenebeck 221 catch(...) { /* NOOP */ }
406 schoenebeck 551 MidiChannelMapMutex.Unlock();
407 schoenebeck 675
408     // inform engine channel about the disconnection (if there is one)
409     if (bChannelFound) pEngineChannel->DisconnectMidiInputPort();
410    
411 schoenebeck 670 // mark engine channel as changed
412     pEngineChannel->StatusChanged(true);
413 schoenebeck 221 }
414    
415 persson 846 SynchronizedConfig<std::set<LinuxSampler::Engine*> > MidiInputPort::SysexListeners;
416    
417     void MidiInputPort::AddSysexListener(Engine* engine) {
418     std::pair<std::set<Engine*>::iterator, bool> p = SysexListeners.GetConfigForUpdate().insert(engine);
419     if (p.second) SysexListeners.SwitchConfig().insert(engine);
420     }
421    
422     bool MidiInputPort::RemoveSysexListener(Engine* engine) {
423     int count = SysexListeners.GetConfigForUpdate().erase(engine);
424     if (count) SysexListeners.SwitchConfig().erase(engine);
425     return count;
426     }
427    
428 schoenebeck 221 } // namespace LinuxSampler

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