/[svn]/linuxsampler/trunk/src/network/lscpserver.cpp
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revision 360 by senkov, Mon Feb 7 00:19:30 2005 UTC revision 778 by iliev, Fri Sep 23 06:58:26 2005 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 Christian Schoenebeck                              *
7   *                                                                         *   *                                                                         *
8   *   This program is free software; you can redistribute it and/or modify  *   *   This library 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  *
10   *   the Free Software Foundation; either version 2 of the License, or     *   *   the Free Software Foundation; either version 2 of the License, or     *
11   *   (at your option) any later version.                                   *   *   (at your option) any later version.                                   *
12   *                                                                         *   *                                                                         *
13   *   This program is distributed in the hope that it will be useful,       *   *   This library is distributed in the hope that it will be useful,       *
14   *   but WITHOUT ANY WARRANTY; without even the implied warranty of        *   *   but WITHOUT ANY WARRANTY; without even the implied warranty of        *
15   *   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the         *   *   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the         *
16   *   GNU General Public License for more details.                          *   *   GNU General Public License for more details.                          *
17   *                                                                         *   *                                                                         *
18   *   You should have received a copy of the GNU General Public License     *   *   You should have received a copy of the GNU General Public License     *
19   *   along with this program; if not, write to the Free Software           *   *   along with this library; if not, write to the Free Software           *
20   *   Foundation, Inc., 59 Temple Place, Suite 330, Boston,                 *   *   Foundation, Inc., 59 Temple Place, Suite 330, Boston,                 *
21   *   MA  02111-1307  USA                                                   *   *   MA  02111-1307  USA                                                   *
22   ***************************************************************************/   ***************************************************************************/
# Line 23  Line 24 
24  #include "lscpserver.h"  #include "lscpserver.h"
25  #include "lscpresultset.h"  #include "lscpresultset.h"
26  #include "lscpevent.h"  #include "lscpevent.h"
27    //#include "../common/global.h"
28    
29  #include "../engines/gig/Engine.h"  #include <fcntl.h>
30    
31    #if HAVE_SQLITE3
32    # include "sqlite3.h"
33    #endif
34    
35    #include "../engines/EngineFactory.h"
36    #include "../engines/EngineChannelFactory.h"
37  #include "../drivers/audio/AudioOutputDeviceFactory.h"  #include "../drivers/audio/AudioOutputDeviceFactory.h"
38  #include "../drivers/midi/MidiInputDeviceFactory.h"  #include "../drivers/midi/MidiInputDeviceFactory.h"
39    
# Line 52  Mutex LSCPServer::NotifyBufferMutex = Mu Line 61  Mutex LSCPServer::NotifyBufferMutex = Mu
61  Mutex LSCPServer::SubscriptionMutex = Mutex();  Mutex LSCPServer::SubscriptionMutex = Mutex();
62  Mutex LSCPServer::RTNotifyMutex = Mutex();  Mutex LSCPServer::RTNotifyMutex = Mutex();
63    
64  LSCPServer::LSCPServer(Sampler* pSampler) : Thread(false, 0, -4) {  LSCPServer::LSCPServer(Sampler* pSampler, long int addr, short int port) : Thread(true, false, 0, -4) {
65        SocketAddress.sin_family      = AF_INET;
66        SocketAddress.sin_addr.s_addr = addr;
67        SocketAddress.sin_port        = port;
68      this->pSampler = pSampler;      this->pSampler = pSampler;
69      LSCPEvent::RegisterEvent(LSCPEvent::event_channels, "CHANNELS");      LSCPEvent::RegisterEvent(LSCPEvent::event_channel_count, "CHANNEL_COUNT");
70      LSCPEvent::RegisterEvent(LSCPEvent::event_voice_count, "VOICE_COUNT");      LSCPEvent::RegisterEvent(LSCPEvent::event_voice_count, "VOICE_COUNT");
71      LSCPEvent::RegisterEvent(LSCPEvent::event_stream_count, "STREAM_COUNT");      LSCPEvent::RegisterEvent(LSCPEvent::event_stream_count, "STREAM_COUNT");
72      LSCPEvent::RegisterEvent(LSCPEvent::event_buffer_fill, "BUFFER_FILL");      LSCPEvent::RegisterEvent(LSCPEvent::event_buffer_fill, "BUFFER_FILL");
73      LSCPEvent::RegisterEvent(LSCPEvent::event_info, "INFO");      LSCPEvent::RegisterEvent(LSCPEvent::event_channel_info, "CHANNEL_INFO");
74      LSCPEvent::RegisterEvent(LSCPEvent::event_misc, "MISCELLANEOUS");      LSCPEvent::RegisterEvent(LSCPEvent::event_misc, "MISCELLANEOUS");
75        LSCPEvent::RegisterEvent(LSCPEvent::event_total_voice_count, "TOTAL_VOICE_COUNT");
76        hSocket = -1;
77    }
78    
79    LSCPServer::~LSCPServer() {
80        if (hSocket >= 0) close(hSocket);
81  }  }
82    
83  /**  /**
# Line 77  int LSCPServer::WaitUntilInitialized(lon Line 95  int LSCPServer::WaitUntilInitialized(lon
95  }  }
96    
97  int LSCPServer::Main() {  int LSCPServer::Main() {
98      int hSocket = socket(AF_INET, SOCK_STREAM, 0);      hSocket = socket(AF_INET, SOCK_STREAM, 0);
99      if (hSocket < 0) {      if (hSocket < 0) {
100          std::cerr << "LSCPServer: Could not create server socket." << std::endl;          std::cerr << "LSCPServer: Could not create server socket." << std::endl;
101          //return -1;          //return -1;
102          exit(EXIT_FAILURE);          exit(EXIT_FAILURE);
103      }      }
104    
     SocketAddress.sin_family      = AF_INET;  
     SocketAddress.sin_port        = htons(LSCP_PORT);  
     SocketAddress.sin_addr.s_addr = htonl(INADDR_ANY);  
   
105      if (bind(hSocket, (sockaddr*) &SocketAddress, sizeof(sockaddr_in)) < 0) {      if (bind(hSocket, (sockaddr*) &SocketAddress, sizeof(sockaddr_in)) < 0) {
106          std::cerr << "LSCPServer: Could not bind server socket, retrying for " << ToString(LSCP_SERVER_BIND_TIMEOUT) << " seconds...";          std::cerr << "LSCPServer: Could not bind server socket, retrying for " << ToString(LSCP_SERVER_BIND_TIMEOUT) << " seconds...";
107          for (int trial = 0; true; trial++) { // retry for LSCP_SERVER_BIND_TIMEOUT seconds          for (int trial = 0; true; trial++) { // retry for LSCP_SERVER_BIND_TIMEOUT seconds
# Line 160  int LSCPServer::Main() { Line 174  int LSCPServer::Main() {
174                                  int dummy; // just a temporary hack to fulfill the restart() function prototype                                  int dummy; // just a temporary hack to fulfill the restart() function prototype
175                                  restart(NULL, dummy); // restart the 'scanner'                                  restart(NULL, dummy); // restart the 'scanner'
176                                  currentSocket = (*iter).hSession;  //a hack                                  currentSocket = (*iter).hSession;  //a hack
177                                    dmsg(2,("LSCPServer: [%s]\n",bufferedCommands[currentSocket].c_str()));
178                                  if ((*iter).bVerbose) { // if echo mode enabled                                  if ((*iter).bVerbose) { // if echo mode enabled
179                                      AnswerClient(bufferedCommands[currentSocket]);                                      AnswerClient(bufferedCommands[currentSocket]);
180                                  }                                  }
# Line 176  int LSCPServer::Main() { Line 191  int LSCPServer::Main() {
191                  }                  }
192          }          }
193    
194            // check if some engine channel's parameter / status changed, if so notify the respective LSCP event subscribers
195            {
196                std::set<EngineChannel*> engineChannels = EngineChannelFactory::EngineChannelInstances();
197                std::set<EngineChannel*>::iterator itEngineChannel = engineChannels.begin();
198                std::set<EngineChannel*>::iterator itEnd           = engineChannels.end();
199                for (; itEngineChannel != itEnd; ++itEngineChannel) {
200                    if ((*itEngineChannel)->StatusChanged()) {
201                        SendLSCPNotify(LSCPEvent(LSCPEvent::event_channel_info, (*itEngineChannel)->iSamplerChannelIndex));
202                    }
203                }
204            }
205    
206          //Now let's deliver late notifies (if any)          //Now let's deliver late notifies (if any)
207          NotifyBufferMutex.Lock();          NotifyBufferMutex.Lock();
208          for (std::map<int,String>::iterator iterNotify = bufferedNotifies.begin(); iterNotify != bufferedNotifies.end(); iterNotify++) {          for (std::map<int,String>::iterator iterNotify = bufferedNotifies.begin(); iterNotify != bufferedNotifies.end(); iterNotify++) {
209                  send(iterNotify->first, iterNotify->second.c_str(), iterNotify->second.size(), 0);                  send(iterNotify->first, iterNotify->second.c_str(), iterNotify->second.size(), MSG_NOSIGNAL);
210                  bufferedNotifies.erase(iterNotify);                  bufferedNotifies.erase(iterNotify);
211          }          }
212          NotifyBufferMutex.Unlock();          NotifyBufferMutex.Unlock();
# Line 229  void LSCPServer::SendLSCPNotify( LSCPEve Line 256  void LSCPServer::SendLSCPNotify( LSCPEve
256          while (true) {          while (true) {
257                  if (NotifyMutex.Trylock()) {                  if (NotifyMutex.Trylock()) {
258                          for(;iter != end; iter++)                          for(;iter != end; iter++)
259                                  send(*iter, notify.c_str(), notify.size(), 0);                                  send(*iter, notify.c_str(), notify.size(), MSG_NOSIGNAL);
260                          NotifyMutex.Unlock();                          NotifyMutex.Unlock();
261                          break;                          break;
262                  } else {                  } else {
# Line 338  void LSCPServer::AnswerClient(String Ret Line 365  void LSCPServer::AnswerClient(String Ret
365      dmsg(2,("LSCPServer::AnswerClient(ReturnMessage=%s)", ReturnMessage.c_str()));      dmsg(2,("LSCPServer::AnswerClient(ReturnMessage=%s)", ReturnMessage.c_str()));
366      if (currentSocket != -1) {      if (currentSocket != -1) {
367              NotifyMutex.Lock();              NotifyMutex.Lock();
368              send(currentSocket, ReturnMessage.c_str(), ReturnMessage.size(), 0);              send(currentSocket, ReturnMessage.c_str(), ReturnMessage.size(), MSG_NOSIGNAL);
369              NotifyMutex.Unlock();              NotifyMutex.Unlock();
370      }      }
371  }  }
# Line 445  String LSCPServer::LoadInstrument(String Line 472  String LSCPServer::LoadInstrument(String
472      LSCPResultSet result;      LSCPResultSet result;
473      try {      try {
474          SamplerChannel* pSamplerChannel = pSampler->GetSamplerChannel(uiSamplerChannel);          SamplerChannel* pSamplerChannel = pSampler->GetSamplerChannel(uiSamplerChannel);
475          if (!pSamplerChannel) throw LinuxSamplerException("Index out of bounds");          if (!pSamplerChannel) throw LinuxSamplerException("Invalid sampler channel number " + ToString(uiSamplerChannel));
476          Engine* pEngine = pSamplerChannel->GetEngine();          EngineChannel* pEngineChannel = pSamplerChannel->GetEngineChannel();
477          if (!pEngine) throw LinuxSamplerException("No engine loaded on channel");          if (!pEngineChannel) throw LinuxSamplerException("No engine type assigned to sampler channel yet");
478          if (!pSamplerChannel->GetAudioOutputDevice())          if (!pSamplerChannel->GetAudioOutputDevice())
479              throw LinuxSamplerException("No audio output device on channel");              throw LinuxSamplerException("No audio output device connected to sampler channel");
480          if (bBackground) {          if (bBackground) {
481              LSCPLoadInstrument *pLoadInstrument = new LSCPLoadInstrument(pEngine, Filename.c_str(), uiInstrument);              InstrumentLoader.StartNewLoad(Filename, uiInstrument, pEngineChannel);
482              pLoadInstrument->StartThread();          }
483            else {
484                // tell the engine channel which instrument to load
485                pEngineChannel->PrepareLoadInstrument(Filename.c_str(), uiInstrument);
486                // actually start to load the instrument (blocks until completed)
487                pEngineChannel->LoadInstrument();
488          }          }
         else pEngine->LoadInstrument(Filename.c_str(), uiInstrument);  
489      }      }
490      catch (LinuxSamplerException e) {      catch (LinuxSamplerException e) {
491           result.Error(e);           result.Error(e);
# Line 463  String LSCPServer::LoadInstrument(String Line 494  String LSCPServer::LoadInstrument(String
494  }  }
495    
496  /**  /**
497   * Will be called by the parser to load and deploy an engine.   * Will be called by the parser to assign a sampler engine type to a
498     * sampler channel.
499   */   */
500  String LSCPServer::LoadEngine(String EngineName, uint uiSamplerChannel) {  String LSCPServer::SetEngineType(String EngineName, uint uiSamplerChannel) {
501      dmsg(2,("LSCPServer: LoadEngine(EngineName=%s,SamplerChannel=%d)\n", EngineName.c_str(), uiSamplerChannel));      dmsg(2,("LSCPServer: SetEngineType(EngineName=%s,uiSamplerChannel=%d)\n", EngineName.c_str(), uiSamplerChannel));
502      LSCPResultSet result;      LSCPResultSet result;
503      try {      try {
         Engine::type_t type;  
         if ((EngineName == "GigEngine") || (EngineName == "gig")) type = Engine::type_gig;  
         else throw LinuxSamplerException("Unknown engine type");  
504          SamplerChannel* pSamplerChannel = pSampler->GetSamplerChannel(uiSamplerChannel);          SamplerChannel* pSamplerChannel = pSampler->GetSamplerChannel(uiSamplerChannel);
505          if (!pSamplerChannel) throw LinuxSamplerException("Index out of bounds");          if (!pSamplerChannel) throw LinuxSamplerException("Invalid sampler channel number " + ToString(uiSamplerChannel));
506          LockRTNotify();          LockRTNotify();
507          pSamplerChannel->LoadEngine(type);          pSamplerChannel->SetEngineType(EngineName);
508            if(HasSoloChannel()) pSamplerChannel->GetEngineChannel()->SetMute(-1);
509          UnlockRTNotify();          UnlockRTNotify();
510      }      }
511      catch (LinuxSamplerException e) {      catch (LinuxSamplerException e) {
# Line 534  String LSCPServer::RemoveChannel(uint ui Line 564  String LSCPServer::RemoveChannel(uint ui
564  }  }
565    
566  /**  /**
567   * Will be called by the parser to get all available engines.   * Will be called by the parser to get the amount of all available engines.
568   */   */
569  String LSCPServer::GetAvailableEngines() {  String LSCPServer::GetAvailableEngines() {
570      dmsg(2,("LSCPServer: GetAvailableEngines()\n"));      dmsg(2,("LSCPServer: GetAvailableEngines()\n"));
571      LSCPResultSet result("GigEngine");      LSCPResultSet result("1");
572        return result.Produce();
573    }
574    
575    /**
576     * Will be called by the parser to get a list of all available engines.
577     */
578    String LSCPServer::ListAvailableEngines() {
579        dmsg(2,("LSCPServer: ListAvailableEngines()\n"));
580        LSCPResultSet result("\'GIG\'");
581      return result.Produce();      return result.Produce();
582  }  }
583    
584  /**  /**
585   * Will be called by the parser to get descriptions for a particular engine.   * Will be called by the parser to get descriptions for a particular
586     * sampler engine.
587   */   */
588  String LSCPServer::GetEngineInfo(String EngineName) {  String LSCPServer::GetEngineInfo(String EngineName) {
589      dmsg(2,("LSCPServer: GetEngineInfo(EngineName=%s)\n", EngineName.c_str()));      dmsg(2,("LSCPServer: GetEngineInfo(EngineName=%s)\n", EngineName.c_str()));
590      LSCPResultSet result;      LSCPResultSet result;
591      try {      try {
592          if ((EngineName == "GigEngine") || (EngineName == "gig")) {          Engine* pEngine = EngineFactory::Create(EngineName);
593              Engine* pEngine = new LinuxSampler::gig::Engine;          result.Add("DESCRIPTION", pEngine->Description());
594              result.Add("DESCRIPTION", pEngine->Description());          result.Add("VERSION",     pEngine->Version());
595              result.Add("VERSION",     pEngine->Version());          EngineFactory::Destroy(pEngine);
             delete pEngine;  
         }  
         else throw LinuxSamplerException("Unknown engine type");  
596      }      }
597      catch (LinuxSamplerException e) {      catch (LinuxSamplerException e) {
598           result.Error(e);           result.Error(e);
# Line 572  String LSCPServer::GetChannelInfo(uint u Line 609  String LSCPServer::GetChannelInfo(uint u
609      LSCPResultSet result;      LSCPResultSet result;
610      try {      try {
611          SamplerChannel* pSamplerChannel = pSampler->GetSamplerChannel(uiSamplerChannel);          SamplerChannel* pSamplerChannel = pSampler->GetSamplerChannel(uiSamplerChannel);
612          if (!pSamplerChannel) throw LinuxSamplerException("Index out of bounds");          if (!pSamplerChannel) throw LinuxSamplerException("Invalid sampler channel number " + ToString(uiSamplerChannel));
613          Engine* pEngine = pSamplerChannel->GetEngine();          EngineChannel* pEngineChannel = pSamplerChannel->GetEngineChannel();
614    
615          //Defaults values          //Defaults values
616          String EngineName = "NONE";          String EngineName = "NONE";
617          float Volume = 0.0f;          float Volume = 0.0f;
618          String InstrumentFileName = "NONE";          String InstrumentFileName = "NONE";
619            String InstrumentName = "NONE";
620          int InstrumentIndex = -1;          int InstrumentIndex = -1;
621          int InstrumentStatus = -1;          int InstrumentStatus = -1;
622          int AudioOutputChannels = 0;          int AudioOutputChannels = 0;
623          String AudioRouting;          String AudioRouting;
624            int Mute = 0;
625            bool Solo = false;
626    
627          if (pEngine) {          if (pEngineChannel) {
628              EngineName =  pEngine->EngineName();              EngineName          = pEngineChannel->EngineName();
629              AudioOutputChannels = pEngine->Channels();              AudioOutputChannels = pEngineChannel->Channels();
630              Volume = pEngine->Volume();              Volume              = pEngineChannel->Volume();
631              InstrumentStatus = pEngine->InstrumentStatus();              InstrumentStatus    = pEngineChannel->InstrumentStatus();
632              InstrumentIndex = pEngine->InstrumentIndex();              InstrumentIndex     = pEngineChannel->InstrumentIndex();
633              if (InstrumentIndex != -1)              if (InstrumentIndex != -1) {
634                  InstrumentFileName = pEngine->InstrumentFileName();                  InstrumentFileName = pEngineChannel->InstrumentFileName();
635              for (int chan = 0; chan < pEngine->Channels(); chan++) {                  InstrumentName     = pEngineChannel->InstrumentName();
636                }
637                for (int chan = 0; chan < pEngineChannel->Channels(); chan++) {
638                  if (AudioRouting != "") AudioRouting += ",";                  if (AudioRouting != "") AudioRouting += ",";
639                  AudioRouting += ToString(pEngine->OutputChannel(chan));                  AudioRouting += ToString(pEngineChannel->OutputChannel(chan));
640              }              }
641                Mute = pEngineChannel->GetMute();
642                Solo = pEngineChannel->GetSolo();
643          }          }
644    
645          result.Add("ENGINE_NAME", EngineName);          result.Add("ENGINE_NAME", EngineName);
# Line 608  String LSCPServer::GetChannelInfo(uint u Line 652  String LSCPServer::GetChannelInfo(uint u
652    
653          result.Add("MIDI_INPUT_DEVICE", GetMidiInputDeviceIndex(pSamplerChannel->GetMidiInputDevice()));          result.Add("MIDI_INPUT_DEVICE", GetMidiInputDeviceIndex(pSamplerChannel->GetMidiInputDevice()));
654          result.Add("MIDI_INPUT_PORT", pSamplerChannel->GetMidiInputPort());          result.Add("MIDI_INPUT_PORT", pSamplerChannel->GetMidiInputPort());
655          if (pSamplerChannel->GetMidiInputChannel() == MidiInputPort::midi_chan_all) result.Add("MIDI_INPUT_CHANNEL", "ALL");          if (pSamplerChannel->GetMidiInputChannel() == midi_chan_all) result.Add("MIDI_INPUT_CHANNEL", "ALL");
656          else result.Add("MIDI_INPUT_CHANNEL", pSamplerChannel->GetMidiInputChannel());          else result.Add("MIDI_INPUT_CHANNEL", pSamplerChannel->GetMidiInputChannel());
657    
658          result.Add("INSTRUMENT_FILE", InstrumentFileName);          result.Add("INSTRUMENT_FILE", InstrumentFileName);
659          result.Add("INSTRUMENT_NR", InstrumentIndex);          result.Add("INSTRUMENT_NR", InstrumentIndex);
660            result.Add("INSTRUMENT_NAME", InstrumentName);
661          result.Add("INSTRUMENT_STATUS", InstrumentStatus);          result.Add("INSTRUMENT_STATUS", InstrumentStatus);
662            result.Add("MUTE", Mute == -1 ? "MUTED_BY_SOLO" : (Mute ? "true" : "false"));
663            result.Add("SOLO", Solo);
664      }      }
665      catch (LinuxSamplerException e) {      catch (LinuxSamplerException e) {
666           result.Error(e);           result.Error(e);
# Line 630  String LSCPServer::GetVoiceCount(uint ui Line 677  String LSCPServer::GetVoiceCount(uint ui
677      LSCPResultSet result;      LSCPResultSet result;
678      try {      try {
679          SamplerChannel* pSamplerChannel = pSampler->GetSamplerChannel(uiSamplerChannel);          SamplerChannel* pSamplerChannel = pSampler->GetSamplerChannel(uiSamplerChannel);
680          if (!pSamplerChannel) throw LinuxSamplerException("Index out of bounds");          if (!pSamplerChannel) throw LinuxSamplerException("Invalid sampler channel number " + ToString(uiSamplerChannel));
681          Engine* pEngine = pSamplerChannel->GetEngine();          EngineChannel* pEngineChannel = pSamplerChannel->GetEngineChannel();
682          if (!pEngine) throw LinuxSamplerException("No engine loaded on channel");          if (!pEngineChannel) throw LinuxSamplerException("No engine loaded on sampler channel");
683          result.Add(pEngine->VoiceCount());          if (!pEngineChannel->GetEngine()) throw LinuxSamplerException("No audio output device connected to sampler channel");
684            result.Add(pEngineChannel->GetEngine()->VoiceCount());
685      }      }
686      catch (LinuxSamplerException e) {      catch (LinuxSamplerException e) {
687           result.Error(e);           result.Error(e);
# Line 650  String LSCPServer::GetStreamCount(uint u Line 698  String LSCPServer::GetStreamCount(uint u
698      LSCPResultSet result;      LSCPResultSet result;
699      try {      try {
700          SamplerChannel* pSamplerChannel = pSampler->GetSamplerChannel(uiSamplerChannel);          SamplerChannel* pSamplerChannel = pSampler->GetSamplerChannel(uiSamplerChannel);
701          if (!pSamplerChannel) throw LinuxSamplerException("Index out of bounds");          if (!pSamplerChannel) throw LinuxSamplerException("Invalid sampler channel number " + ToString(uiSamplerChannel));
702          Engine* pEngine = pSamplerChannel->GetEngine();          EngineChannel* pEngineChannel = pSamplerChannel->GetEngineChannel();
703          if (!pEngine) throw LinuxSamplerException("No engine loaded on channel");          if (!pEngineChannel) throw LinuxSamplerException("No engine type assigned to sampler channel");
704          result.Add(pEngine->DiskStreamCount());          if (!pEngineChannel->GetEngine()) throw LinuxSamplerException("No audio output device connected to sampler channel");
705            result.Add(pEngineChannel->GetEngine()->DiskStreamCount());
706      }      }
707      catch (LinuxSamplerException e) {      catch (LinuxSamplerException e) {
708           result.Error(e);           result.Error(e);
# Line 670  String LSCPServer::GetBufferFill(fill_re Line 719  String LSCPServer::GetBufferFill(fill_re
719      LSCPResultSet result;      LSCPResultSet result;
720      try {      try {
721          SamplerChannel* pSamplerChannel = pSampler->GetSamplerChannel(uiSamplerChannel);          SamplerChannel* pSamplerChannel = pSampler->GetSamplerChannel(uiSamplerChannel);
722          if (!pSamplerChannel) throw LinuxSamplerException("Index out of bounds");          if (!pSamplerChannel) throw LinuxSamplerException("Invalid sampler channel number " + ToString(uiSamplerChannel));
723          Engine* pEngine = pSamplerChannel->GetEngine();          EngineChannel* pEngineChannel = pSamplerChannel->GetEngineChannel();
724          if (!pEngine) throw LinuxSamplerException("No engine loaded on channel");          if (!pEngineChannel) throw LinuxSamplerException("No engine type assigned to sampler channel");
725          if (!pEngine->DiskStreamSupported())          if (!pEngineChannel->GetEngine()) throw LinuxSamplerException("No audio output device connected to sampler channel");
726              result.Add("NA");          if (!pEngineChannel->GetEngine()->DiskStreamSupported()) result.Add("NA");
727          else {          else {
728              switch (ResponseType) {              switch (ResponseType) {
729                  case fill_response_bytes:                  case fill_response_bytes:
730                      result.Add(pEngine->DiskStreamBufferFillBytes());                      result.Add(pEngineChannel->GetEngine()->DiskStreamBufferFillBytes());
731                      break;                      break;
732                  case fill_response_percentage:                  case fill_response_percentage:
733                      result.Add(pEngine->DiskStreamBufferFillPercentage());                      result.Add(pEngineChannel->GetEngine()->DiskStreamBufferFillPercentage());
734                      break;                      break;
735                  default:                  default:
736                      throw LinuxSamplerException("Unknown fill response type");                      throw LinuxSamplerException("Unknown fill response type");
737              }              }
# Line 698  String LSCPServer::GetAvailableAudioOutp Line 747  String LSCPServer::GetAvailableAudioOutp
747      dmsg(2,("LSCPServer: GetAvailableAudioOutputDrivers()\n"));      dmsg(2,("LSCPServer: GetAvailableAudioOutputDrivers()\n"));
748      LSCPResultSet result;      LSCPResultSet result;
749      try {      try {
750            int n = AudioOutputDeviceFactory::AvailableDrivers().size();
751            result.Add(n);
752        }
753        catch (LinuxSamplerException e) {
754            result.Error(e);
755        }
756        return result.Produce();
757    }
758    
759    String LSCPServer::ListAvailableAudioOutputDrivers() {
760        dmsg(2,("LSCPServer: ListAvailableAudioOutputDrivers()\n"));
761        LSCPResultSet result;
762        try {
763          String s = AudioOutputDeviceFactory::AvailableDriversAsString();          String s = AudioOutputDeviceFactory::AvailableDriversAsString();
764          result.Add(s);          result.Add(s);
765      }      }
# Line 711  String LSCPServer::GetAvailableMidiInput Line 773  String LSCPServer::GetAvailableMidiInput
773      dmsg(2,("LSCPServer: GetAvailableMidiInputDrivers()\n"));      dmsg(2,("LSCPServer: GetAvailableMidiInputDrivers()\n"));
774      LSCPResultSet result;      LSCPResultSet result;
775      try {      try {
776            int n = MidiInputDeviceFactory::AvailableDrivers().size();
777            result.Add(n);
778        }
779        catch (LinuxSamplerException e) {
780            result.Error(e);
781        }
782        return result.Produce();
783    }
784    
785    String LSCPServer::ListAvailableMidiInputDrivers() {
786        dmsg(2,("LSCPServer: ListAvailableMidiInputDrivers()\n"));
787        LSCPResultSet result;
788        try {
789          String s = MidiInputDeviceFactory::AvailableDriversAsString();          String s = MidiInputDeviceFactory::AvailableDriversAsString();
790          result.Add(s);          result.Add(s);
791      }      }
# Line 962  String LSCPServer::GetAudioOutputChannel Line 1037  String LSCPServer::GetAudioOutputChannel
1037    
1038          // get audio channel          // get audio channel
1039          AudioChannel* pChannel = pDevice->Channel(ChannelId);          AudioChannel* pChannel = pDevice->Channel(ChannelId);
1040          if (!pChannel) throw LinuxSamplerException("Audio ouotput device does not have channel " + ToString(ChannelId) + ".");          if (!pChannel) throw LinuxSamplerException("Audio output device does not have audio channel " + ToString(ChannelId) + ".");
1041    
1042          // return the values of all audio channel parameters          // return the values of all audio channel parameters
1043          std::map<String,DeviceRuntimeParameter*> parameters = pChannel->ChannelParameters();          std::map<String,DeviceRuntimeParameter*> parameters = pChannel->ChannelParameters();
# Line 1021  String LSCPServer::GetAudioOutputChannel Line 1096  String LSCPServer::GetAudioOutputChannel
1096    
1097          // get audio channel          // get audio channel
1098          AudioChannel* pChannel = pDevice->Channel(ChannelId);          AudioChannel* pChannel = pDevice->Channel(ChannelId);
1099          if (!pChannel) throw LinuxSamplerException("Audio output device does not have channel " + ToString(ChannelId) + ".");          if (!pChannel) throw LinuxSamplerException("Audio output device does not have audio channel " + ToString(ChannelId) + ".");
1100    
1101          // get desired audio channel parameter          // get desired audio channel parameter
1102          std::map<String,DeviceRuntimeParameter*> parameters = pChannel->ChannelParameters();          std::map<String,DeviceRuntimeParameter*> parameters = pChannel->ChannelParameters();
# Line 1054  String LSCPServer::SetAudioOutputChannel Line 1129  String LSCPServer::SetAudioOutputChannel
1129    
1130          // get audio channel          // get audio channel
1131          AudioChannel* pChannel = pDevice->Channel(ChannelId);          AudioChannel* pChannel = pDevice->Channel(ChannelId);
1132          if (!pChannel) throw LinuxSamplerException("Audio output device does not have channel " + ToString(ChannelId) + ".");          if (!pChannel) throw LinuxSamplerException("Audio output device does not have audio channel " + ToString(ChannelId) + ".");
1133    
1134          // get desired audio channel parameter          // get desired audio channel parameter
1135          std::map<String,DeviceRuntimeParameter*> parameters = pChannel->ChannelParameters();          std::map<String,DeviceRuntimeParameter*> parameters = pChannel->ChannelParameters();
# Line 1137  String LSCPServer::SetAudioOutputChannel Line 1212  String LSCPServer::SetAudioOutputChannel
1212      LSCPResultSet result;      LSCPResultSet result;
1213      try {      try {
1214          SamplerChannel* pSamplerChannel = pSampler->GetSamplerChannel(uiSamplerChannel);          SamplerChannel* pSamplerChannel = pSampler->GetSamplerChannel(uiSamplerChannel);
1215          if (!pSamplerChannel) throw LinuxSamplerException("Invalid channel number " + ToString(uiSamplerChannel));          if (!pSamplerChannel) throw LinuxSamplerException("Invalid sampler channel number " + ToString(uiSamplerChannel));
1216          Engine* pEngine = pSamplerChannel->GetEngine();          EngineChannel* pEngineChannel = pSamplerChannel->GetEngineChannel();
1217          if (!pEngine) throw LinuxSamplerException("No engine deployed on sampler channel " + ToString(uiSamplerChannel));          if (!pEngineChannel) throw LinuxSamplerException("No engine type yet assigned to sampler channel " + ToString(uiSamplerChannel));
1218          std::map<uint, AudioOutputDevice*> devices = pSampler->GetAudioOutputDevices();          if (!pSamplerChannel->GetAudioOutputDevice()) throw LinuxSamplerException("No audio output device connected to sampler channel " + ToString(uiSamplerChannel));
1219          if (!devices.count(ChannelAudioOutputChannel)) throw LinuxSamplerException("There is no audio output device with index " + ToString(ChannelAudioOutputChannel));          pEngineChannel->SetOutputChannel(ChannelAudioOutputChannel, AudioOutputDeviceInputChannel);
         pEngine->SetOutputChannel(ChannelAudioOutputChannel, AudioOutputDeviceInputChannel);  
1220      }      }
1221      catch (LinuxSamplerException e) {      catch (LinuxSamplerException e) {
1222           result.Error(e);           result.Error(e);
# Line 1155  String LSCPServer::SetAudioOutputDevice( Line 1229  String LSCPServer::SetAudioOutputDevice(
1229      LSCPResultSet result;      LSCPResultSet result;
1230      try {      try {
1231          SamplerChannel* pSamplerChannel = pSampler->GetSamplerChannel(uiSamplerChannel);          SamplerChannel* pSamplerChannel = pSampler->GetSamplerChannel(uiSamplerChannel);
1232          if (!pSamplerChannel) throw LinuxSamplerException("Invalid channel number " + ToString(uiSamplerChannel));          if (!pSamplerChannel) throw LinuxSamplerException("Invalid sampler channel number " + ToString(uiSamplerChannel));
1233          std::map<uint, AudioOutputDevice*> devices = pSampler->GetAudioOutputDevices();          std::map<uint, AudioOutputDevice*> devices = pSampler->GetAudioOutputDevices();
1234          if (!devices.count(AudioDeviceId)) throw LinuxSamplerException("There is no audio output device with index " + ToString(AudioDeviceId));          if (!devices.count(AudioDeviceId)) throw LinuxSamplerException("There is no audio output device with index " + ToString(AudioDeviceId));
1235          AudioOutputDevice* pDevice = devices[AudioDeviceId];          AudioOutputDevice* pDevice = devices[AudioDeviceId];
# Line 1172  String LSCPServer::SetAudioOutputType(St Line 1246  String LSCPServer::SetAudioOutputType(St
1246      LSCPResultSet result;      LSCPResultSet result;
1247      try {      try {
1248          SamplerChannel* pSamplerChannel = pSampler->GetSamplerChannel(uiSamplerChannel);          SamplerChannel* pSamplerChannel = pSampler->GetSamplerChannel(uiSamplerChannel);
1249          if (!pSamplerChannel) throw LinuxSamplerException("Invalid channel number " + ToString(uiSamplerChannel));          if (!pSamplerChannel) throw LinuxSamplerException("Invalid sampler channel number " + ToString(uiSamplerChannel));
1250          // Driver type name aliasing...          // Driver type name aliasing...
1251          if (AudioOutputDriver == "Alsa") AudioOutputDriver = "ALSA";          if (AudioOutputDriver == "Alsa") AudioOutputDriver = "ALSA";
1252          if (AudioOutputDriver == "Jack") AudioOutputDriver = "JACK";          if (AudioOutputDriver == "Jack") AudioOutputDriver = "JACK";
# Line 1209  String LSCPServer::SetMIDIInputPort(uint Line 1283  String LSCPServer::SetMIDIInputPort(uint
1283      LSCPResultSet result;      LSCPResultSet result;
1284      try {      try {
1285          SamplerChannel* pSamplerChannel = pSampler->GetSamplerChannel(uiSamplerChannel);          SamplerChannel* pSamplerChannel = pSampler->GetSamplerChannel(uiSamplerChannel);
1286          if (!pSamplerChannel) throw LinuxSamplerException("Invalid channel number " + ToString(uiSamplerChannel));          if (!pSamplerChannel) throw LinuxSamplerException("Invalid sampler channel number " + ToString(uiSamplerChannel));
1287          pSamplerChannel->SetMidiInputPort(MIDIPort);          pSamplerChannel->SetMidiInputPort(MIDIPort);
1288      }      }
1289      catch (LinuxSamplerException e) {      catch (LinuxSamplerException e) {
# Line 1223  String LSCPServer::SetMIDIInputChannel(u Line 1297  String LSCPServer::SetMIDIInputChannel(u
1297      LSCPResultSet result;      LSCPResultSet result;
1298      try {      try {
1299          SamplerChannel* pSamplerChannel = pSampler->GetSamplerChannel(uiSamplerChannel);          SamplerChannel* pSamplerChannel = pSampler->GetSamplerChannel(uiSamplerChannel);
1300          if (!pSamplerChannel) throw LinuxSamplerException("Invalid channel number " + ToString(uiSamplerChannel));          if (!pSamplerChannel) throw LinuxSamplerException("Invalid sampler channel number " + ToString(uiSamplerChannel));
1301          pSamplerChannel->SetMidiInputChannel((MidiInputPort::midi_chan_t) MIDIChannel);          pSamplerChannel->SetMidiInputChannel((midi_chan_t) MIDIChannel);
1302      }      }
1303      catch (LinuxSamplerException e) {      catch (LinuxSamplerException e) {
1304           result.Error(e);           result.Error(e);
# Line 1237  String LSCPServer::SetMIDIInputDevice(ui Line 1311  String LSCPServer::SetMIDIInputDevice(ui
1311      LSCPResultSet result;      LSCPResultSet result;
1312      try {      try {
1313          SamplerChannel* pSamplerChannel = pSampler->GetSamplerChannel(uiSamplerChannel);          SamplerChannel* pSamplerChannel = pSampler->GetSamplerChannel(uiSamplerChannel);
1314          if (!pSamplerChannel) throw LinuxSamplerException("Invalid channel number " + ToString(uiSamplerChannel));          if (!pSamplerChannel) throw LinuxSamplerException("Invalid sampler channel number " + ToString(uiSamplerChannel));
1315          std::map<uint, MidiInputDevice*> devices = pSampler->GetMidiInputDevices();          std::map<uint, MidiInputDevice*> devices = pSampler->GetMidiInputDevices();
1316          if (!devices.count(MIDIDeviceId)) throw LinuxSamplerException("There is no MIDI input device with index " + ToString(MIDIDeviceId));          if (!devices.count(MIDIDeviceId)) throw LinuxSamplerException("There is no MIDI input device with index " + ToString(MIDIDeviceId));
1317          MidiInputDevice* pDevice = devices[MIDIDeviceId];          MidiInputDevice* pDevice = devices[MIDIDeviceId];
# Line 1254  String LSCPServer::SetMIDIInputType(Stri Line 1328  String LSCPServer::SetMIDIInputType(Stri
1328      LSCPResultSet result;      LSCPResultSet result;
1329      try {      try {
1330          SamplerChannel* pSamplerChannel = pSampler->GetSamplerChannel(uiSamplerChannel);          SamplerChannel* pSamplerChannel = pSampler->GetSamplerChannel(uiSamplerChannel);
1331          if (!pSamplerChannel) throw LinuxSamplerException("Invalid channel number " + ToString(uiSamplerChannel));          if (!pSamplerChannel) throw LinuxSamplerException("Invalid sampler channel number " + ToString(uiSamplerChannel));
1332          // Driver type name aliasing...          // Driver type name aliasing...
1333          if (MidiInputDriver == "Alsa") MidiInputDriver = "ALSA";          if (MidiInputDriver == "Alsa") MidiInputDriver = "ALSA";
1334          // Check if there's one MIDI input device already created          // Check if there's one MIDI input device already created
# Line 1297  String LSCPServer::SetMIDIInput(uint MID Line 1371  String LSCPServer::SetMIDIInput(uint MID
1371      LSCPResultSet result;      LSCPResultSet result;
1372      try {      try {
1373          SamplerChannel* pSamplerChannel = pSampler->GetSamplerChannel(uiSamplerChannel);          SamplerChannel* pSamplerChannel = pSampler->GetSamplerChannel(uiSamplerChannel);
1374          if (!pSamplerChannel) throw LinuxSamplerException("Invalid channel number " + ToString(uiSamplerChannel));          if (!pSamplerChannel) throw LinuxSamplerException("Invalid sampler channel number " + ToString(uiSamplerChannel));
1375          std::map<uint, MidiInputDevice*> devices =  pSampler->GetMidiInputDevices();          std::map<uint, MidiInputDevice*> devices =  pSampler->GetMidiInputDevices();
1376          if (!devices.count(MIDIDeviceId)) throw LinuxSamplerException("There is no MIDI input device with index " + ToString(MIDIDeviceId));          if (!devices.count(MIDIDeviceId)) throw LinuxSamplerException("There is no MIDI input device with index " + ToString(MIDIDeviceId));
1377          MidiInputDevice* pDevice = devices[MIDIDeviceId];          MidiInputDevice* pDevice = devices[MIDIDeviceId];
1378          pSamplerChannel->SetMidiInput(pDevice, MIDIPort, (MidiInputPort::midi_chan_t) MIDIChannel);          pSamplerChannel->SetMidiInput(pDevice, MIDIPort, (midi_chan_t) MIDIChannel);
1379      }      }
1380      catch (LinuxSamplerException e) {      catch (LinuxSamplerException e) {
1381           result.Error(e);           result.Error(e);
# Line 1318  String LSCPServer::SetVolume(double dVol Line 1392  String LSCPServer::SetVolume(double dVol
1392      LSCPResultSet result;      LSCPResultSet result;
1393      try {      try {
1394          SamplerChannel* pSamplerChannel = pSampler->GetSamplerChannel(uiSamplerChannel);          SamplerChannel* pSamplerChannel = pSampler->GetSamplerChannel(uiSamplerChannel);
1395          if (!pSamplerChannel) throw LinuxSamplerException("Index out of bounds");          if (!pSamplerChannel) throw LinuxSamplerException("Invalid sampler channel number " + ToString(uiSamplerChannel));
1396          Engine* pEngine = pSamplerChannel->GetEngine();          EngineChannel* pEngineChannel = pSamplerChannel->GetEngineChannel();
1397          if (!pEngine) throw LinuxSamplerException("No engine loaded on channel");          if (!pEngineChannel) throw LinuxSamplerException("No engine type assigned to sampler channel");
1398          pEngine->Volume(dVolume);          pEngineChannel->Volume(dVolume);
1399      }      }
1400      catch (LinuxSamplerException e) {      catch (LinuxSamplerException e) {
1401           result.Error(e);           result.Error(e);
# Line 1330  String LSCPServer::SetVolume(double dVol Line 1404  String LSCPServer::SetVolume(double dVol
1404  }  }
1405    
1406  /**  /**
1407     * Will be called by the parser to mute/unmute particular sampler channel.
1408     */
1409    String LSCPServer::SetChannelMute(bool bMute, uint uiSamplerChannel) {
1410        dmsg(2,("LSCPServer: SetChannelMute(bMute=%d,uiSamplerChannel=%d)\n",bMute,uiSamplerChannel));
1411        LSCPResultSet result;
1412        try {
1413            SamplerChannel* pSamplerChannel = pSampler->GetSamplerChannel(uiSamplerChannel);
1414            if (!pSamplerChannel) throw LinuxSamplerException("Invalid sampler channel number " + ToString(uiSamplerChannel));
1415    
1416            EngineChannel* pEngineChannel = pSamplerChannel->GetEngineChannel();
1417            if (!pEngineChannel) throw LinuxSamplerException("No engine type assigned to sampler channel");
1418    
1419            if(!bMute) pEngineChannel->SetMute((HasSoloChannel() && !pEngineChannel->GetSolo()) ? -1 : 0);
1420            else pEngineChannel->SetMute(1);
1421        } catch (LinuxSamplerException e) {
1422            result.Error(e);
1423        }
1424        return result.Produce();
1425    }
1426    
1427    /**
1428     * Will be called by the parser to solo particular sampler channel.
1429     */
1430    String LSCPServer::SetChannelSolo(bool bSolo, uint uiSamplerChannel) {
1431        dmsg(2,("LSCPServer: SetChannelSolo(bSolo=%d,uiSamplerChannel=%d)\n",bSolo,uiSamplerChannel));
1432        LSCPResultSet result;
1433        try {
1434            SamplerChannel* pSamplerChannel = pSampler->GetSamplerChannel(uiSamplerChannel);
1435            if (!pSamplerChannel) throw LinuxSamplerException("Invalid sampler channel number " + ToString(uiSamplerChannel));
1436    
1437            EngineChannel* pEngineChannel = pSamplerChannel->GetEngineChannel();
1438            if (!pEngineChannel) throw LinuxSamplerException("No engine type assigned to sampler channel");
1439    
1440            bool oldSolo = pEngineChannel->GetSolo();
1441            bool hadSoloChannel = HasSoloChannel();
1442            
1443            pEngineChannel->SetSolo(bSolo);
1444            
1445            if(!oldSolo && bSolo) {
1446                if(pEngineChannel->GetMute() == -1) pEngineChannel->SetMute(0);
1447                if(!hadSoloChannel) MuteNonSoloChannels();
1448            }
1449            
1450            if(oldSolo && !bSolo) {
1451                if(!HasSoloChannel()) UnmuteChannels();
1452                else if(!pEngineChannel->GetMute()) pEngineChannel->SetMute(-1);
1453            }
1454        } catch (LinuxSamplerException e) {
1455            result.Error(e);
1456        }
1457        return result.Produce();
1458    }
1459    
1460    /**
1461     * Determines whether there is at least one solo channel in the channel list.
1462     *
1463     * @returns true if there is at least one solo channel in the channel list,
1464     * false otherwise.
1465     */
1466    bool LSCPServer::HasSoloChannel() {
1467        std::map<uint,SamplerChannel*> channels = pSampler->GetSamplerChannels();
1468        std::map<uint,SamplerChannel*>::iterator iter = channels.begin();
1469        for (; iter != channels.end(); iter++) {
1470            EngineChannel* c = iter->second->GetEngineChannel();
1471            if(c && c->GetSolo()) return true;
1472        }
1473    
1474        return false;
1475    }
1476    
1477    /**
1478     * Mutes all unmuted non-solo channels. Notice that the channels are muted
1479     * with -1 which indicates that they are muted because of the presence
1480     * of a solo channel(s). Channels muted with -1 will be automatically unmuted
1481     * when there are no solo channels left.
1482     */
1483    void LSCPServer::MuteNonSoloChannels() {
1484        dmsg(2,("LSCPServer: MuteNonSoloChannels()\n"));
1485        std::map<uint,SamplerChannel*> channels = pSampler->GetSamplerChannels();
1486        std::map<uint,SamplerChannel*>::iterator iter = channels.begin();
1487        for (; iter != channels.end(); iter++) {
1488            EngineChannel* c = iter->second->GetEngineChannel();
1489            if(c && !c->GetSolo() && !c->GetMute()) c->SetMute(-1);
1490        }
1491    }
1492    
1493    /**
1494     * Unmutes all channels that are muted because of the presence
1495     * of a solo channel(s).
1496     */
1497    void  LSCPServer::UnmuteChannels() {
1498        dmsg(2,("LSCPServer: UnmuteChannels()\n"));
1499        std::map<uint,SamplerChannel*> channels = pSampler->GetSamplerChannels();
1500        std::map<uint,SamplerChannel*>::iterator iter = channels.begin();
1501        for (; iter != channels.end(); iter++) {
1502            EngineChannel* c = iter->second->GetEngineChannel();
1503            if(c && c->GetMute() == -1) c->SetMute(0);
1504        }
1505    }
1506    
1507    /**
1508   * Will be called by the parser to reset a particular sampler channel.   * Will be called by the parser to reset a particular sampler channel.
1509   */   */
1510  String LSCPServer::ResetChannel(uint uiSamplerChannel) {  String LSCPServer::ResetChannel(uint uiSamplerChannel) {
# Line 1337  String LSCPServer::ResetChannel(uint uiS Line 1512  String LSCPServer::ResetChannel(uint uiS
1512      LSCPResultSet result;      LSCPResultSet result;
1513      try {      try {
1514          SamplerChannel* pSamplerChannel = pSampler->GetSamplerChannel(uiSamplerChannel);          SamplerChannel* pSamplerChannel = pSampler->GetSamplerChannel(uiSamplerChannel);
1515          if (!pSamplerChannel) throw LinuxSamplerException("Index out of bounds");          if (!pSamplerChannel) throw LinuxSamplerException("Invalid sampler channel number " + ToString(uiSamplerChannel));
1516          Engine* pEngine = pSamplerChannel->GetEngine();          EngineChannel* pEngineChannel = pSamplerChannel->GetEngineChannel();
1517          if (!pEngine) throw LinuxSamplerException("No engine loaded on channel");          if (!pEngineChannel) throw LinuxSamplerException("No engine type assigned to sampler channel");
1518          pEngine->Reset();          pEngineChannel->Reset();
1519      }      }
1520      catch (LinuxSamplerException e) {      catch (LinuxSamplerException e) {
1521           result.Error(e);           result.Error(e);
# Line 1359  String LSCPServer::ResetSampler() { Line 1534  String LSCPServer::ResetSampler() {
1534  }  }
1535    
1536  /**  /**
1537     * Will be called by the parser to return general informations about this
1538     * sampler.
1539     */
1540    String LSCPServer::GetServerInfo() {
1541        dmsg(2,("LSCPServer: GetServerInfo()\n"));
1542        LSCPResultSet result;
1543        result.Add("DESCRIPTION", "LinuxSampler - modular, streaming capable sampler");
1544        result.Add("VERSION", VERSION);
1545        result.Add("PROTOCOL_VERSION", "1.0");
1546        return result.Produce();
1547    }
1548    
1549    /**
1550     * Will be called by the parser to return the current number of all active voices.
1551     */
1552    String LSCPServer::GetTotalVoiceCount() {
1553        dmsg(2,("LSCPServer: GetTotalVoiceCount()\n"));
1554        LSCPResultSet result;
1555        result.Add(pSampler->GetVoiceCount());
1556        return result.Produce();
1557    }
1558    
1559    /**
1560     * Will be called by the parser to return the maximum number of voices.
1561     */
1562    String LSCPServer::GetTotalVoiceCountMax() {
1563        dmsg(2,("LSCPServer: GetTotalVoiceCountMax()\n"));
1564        LSCPResultSet result;
1565        result.Add(EngineFactory::EngineInstances().size() * CONFIG_MAX_VOICES);
1566        return result.Produce();
1567    }
1568    
1569    /**
1570   * Will be called by the parser to subscribe a client (frontend) on the   * Will be called by the parser to subscribe a client (frontend) on the
1571   * server for receiving event messages.   * server for receiving event messages.
1572   */   */
# Line 1384  String LSCPServer::UnsubscribeNotificati Line 1592  String LSCPServer::UnsubscribeNotificati
1592      return result.Produce();      return result.Produce();
1593  }  }
1594    
1595    static int select_callback(void * lscpResultSet, int argc,
1596                            char **argv, char **azColName)
1597    {
1598        LSCPResultSet* resultSet = (LSCPResultSet*) lscpResultSet;
1599        resultSet->Add(argc, argv);
1600        return 0;
1601    }
1602    
1603    String LSCPServer::QueryDatabase(String query) {
1604        LSCPResultSet result;
1605    #if HAVE_SQLITE3
1606        char* zErrMsg = NULL;
1607        sqlite3 *db;
1608        String selectStr = "SELECT " + query;
1609    
1610        int rc = sqlite3_open("linuxsampler.db", &db);
1611        if (rc == SQLITE_OK)
1612        {
1613                rc = sqlite3_exec(db, selectStr.c_str(), select_callback, &result, &zErrMsg);
1614        }
1615        if ( rc != SQLITE_OK )
1616        {
1617                result.Error(String(zErrMsg), rc);
1618        }
1619        sqlite3_close(db);
1620    #else
1621        result.Error(String("SQLITE3 was not installed when linuxsampler was built. SELECT statement is not available."), 0);
1622    #endif
1623        return result.Produce();
1624    }
1625    
1626  /**  /**
1627   * Will be called by the parser to enable or disable echo mode; if echo   * Will be called by the parser to enable or disable echo mode; if echo
1628   * mode is enabled, all commands from the client will (immediately) be   * mode is enabled, all commands from the client will (immediately) be
# Line 1402  String LSCPServer::SetEcho(yyparse_param Line 1641  String LSCPServer::SetEcho(yyparse_param
1641      }      }
1642      return result.Produce();      return result.Produce();
1643  }  }
   
 // Instrument loader constructor.  
 LSCPLoadInstrument::LSCPLoadInstrument(Engine* pEngine, String Filename, uint uiInstrument)  
     : Thread(false, 0, -4)  
 {  
     this->pEngine = pEngine;  
     this->Filename = Filename;  
     this->uiInstrument = uiInstrument;  
 }  
   
 // Instrument loader process.  
 int LSCPLoadInstrument::Main()  
 {  
     try {  
         pEngine->LoadInstrument(Filename.c_str(), uiInstrument);  
     }  
   
     catch (LinuxSamplerException e) {  
         e.PrintMessage();  
     }  
   
     // Always re-enable the engine.  
     pEngine->Enable();  
   
     // FIXME: Shoot ourselves on the foot?  
     delete this;  
 }  
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