/[svn]/linuxsampler/trunk/src/network/lscpserver.cpp
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revision 973 by schoenebeck, Fri Dec 15 21:40:27 2006 UTC revision 1130 by iliev, Sun Mar 25 18:59:14 2007 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, 2006 Christian Schoenebeck                        *   *   Copyright (C) 2005 - 2007 Christian Schoenebeck                       *
7   *                                                                         *   *                                                                         *
8   *   This library 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  *
# Line 24  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"  #include "../common/global.h"
28    
29  #include <fcntl.h>  #include <fcntl.h>
30    
# Line 66  LSCPServer::LSCPServer(Sampler* pSampler Line 66  LSCPServer::LSCPServer(Sampler* pSampler
66      SocketAddress.sin_addr.s_addr = addr;      SocketAddress.sin_addr.s_addr = addr;
67      SocketAddress.sin_port        = port;      SocketAddress.sin_port        = port;
68      this->pSampler = pSampler;      this->pSampler = pSampler;
69        LSCPEvent::RegisterEvent(LSCPEvent::event_audio_device_count, "AUDIO_OUTPUT_DEVICE_COUNT");
70        LSCPEvent::RegisterEvent(LSCPEvent::event_audio_device_info, "AUDIO_OUTPUT_DEVICE_INFO");
71        LSCPEvent::RegisterEvent(LSCPEvent::event_midi_device_count, "MIDI_INPUT_DEVICE_COUNT");
72        LSCPEvent::RegisterEvent(LSCPEvent::event_midi_device_info, "MIDI_INPUT_DEVICE_INFO");
73      LSCPEvent::RegisterEvent(LSCPEvent::event_channel_count, "CHANNEL_COUNT");      LSCPEvent::RegisterEvent(LSCPEvent::event_channel_count, "CHANNEL_COUNT");
74      LSCPEvent::RegisterEvent(LSCPEvent::event_voice_count, "VOICE_COUNT");      LSCPEvent::RegisterEvent(LSCPEvent::event_voice_count, "VOICE_COUNT");
75      LSCPEvent::RegisterEvent(LSCPEvent::event_stream_count, "STREAM_COUNT");      LSCPEvent::RegisterEvent(LSCPEvent::event_stream_count, "STREAM_COUNT");
76      LSCPEvent::RegisterEvent(LSCPEvent::event_buffer_fill, "BUFFER_FILL");      LSCPEvent::RegisterEvent(LSCPEvent::event_buffer_fill, "BUFFER_FILL");
77      LSCPEvent::RegisterEvent(LSCPEvent::event_channel_info, "CHANNEL_INFO");      LSCPEvent::RegisterEvent(LSCPEvent::event_channel_info, "CHANNEL_INFO");
78        LSCPEvent::RegisterEvent(LSCPEvent::event_fx_send_count, "FX_SEND_COUNT");
79        LSCPEvent::RegisterEvent(LSCPEvent::event_fx_send_info, "FX_SEND_INFO");
80        LSCPEvent::RegisterEvent(LSCPEvent::event_midi_instr_map_count, "MIDI_INSTRUMENT_MAP_COUNT");
81        LSCPEvent::RegisterEvent(LSCPEvent::event_midi_instr_map_info, "MIDI_INSTRUMENT_MAP_INFO");
82        LSCPEvent::RegisterEvent(LSCPEvent::event_midi_instr_count, "MIDI_INSTRUMENT_COUNT");
83        LSCPEvent::RegisterEvent(LSCPEvent::event_midi_instr_info, "MIDI_INSTRUMENT_INFO");
84      LSCPEvent::RegisterEvent(LSCPEvent::event_misc, "MISCELLANEOUS");      LSCPEvent::RegisterEvent(LSCPEvent::event_misc, "MISCELLANEOUS");
85      LSCPEvent::RegisterEvent(LSCPEvent::event_total_voice_count, "TOTAL_VOICE_COUNT");      LSCPEvent::RegisterEvent(LSCPEvent::event_total_voice_count, "TOTAL_VOICE_COUNT");
86        LSCPEvent::RegisterEvent(LSCPEvent::event_global_info, "GLOBAL_INFO");
87      hSocket = -1;      hSocket = -1;
88  }  }
89    
# Line 80  LSCPServer::~LSCPServer() { Line 91  LSCPServer::~LSCPServer() {
91      if (hSocket >= 0) close(hSocket);      if (hSocket >= 0) close(hSocket);
92  }  }
93    
94    void LSCPServer::LscpChannelCountListener::ChannelCountChanged(int NewCount) {
95        LSCPServer::SendLSCPNotify(LSCPEvent(LSCPEvent::event_channel_count, NewCount));
96    }
97    
98    void LSCPServer::LscpAudioDeviceCountListener::AudioDeviceCountChanged(int NewCount) {
99        LSCPServer::SendLSCPNotify(LSCPEvent(LSCPEvent::event_audio_device_count, NewCount));
100    }
101    
102    void LSCPServer::LscpMidiDeviceCountListener::MidiDeviceCountChanged(int NewCount) {
103        LSCPServer::SendLSCPNotify(LSCPEvent(LSCPEvent::event_midi_device_count, NewCount));
104    }
105    
106    void LSCPServer::LscpMidiInstrumentCountListener::MidiInstrumentCountChanged(int MapId, int NewCount) {
107        LSCPServer::SendLSCPNotify(LSCPEvent(LSCPEvent::event_midi_instr_count, MapId, NewCount));
108    }
109    
110    void LSCPServer::LscpMidiInstrumentInfoListener::MidiInstrumentInfoChanged(int MapId, int Bank, int Program) {
111        LSCPServer::SendLSCPNotify(LSCPEvent(LSCPEvent::event_midi_instr_info, MapId, Bank, Program));
112    }
113    
114    void LSCPServer::LscpMidiInstrumentMapCountListener::MidiInstrumentMapCountChanged(int NewCount) {
115        LSCPServer::SendLSCPNotify(LSCPEvent(LSCPEvent::event_midi_instr_map_count, NewCount));
116    }
117    
118    void LSCPServer::LscpMidiInstrumentMapInfoListener::MidiInstrumentMapInfoChanged(int MapId) {
119        LSCPServer::SendLSCPNotify(LSCPEvent(LSCPEvent::event_midi_instr_map_info, MapId));
120    }
121    
122    void LSCPServer::LscpFxSendCountListener::FxSendCountChanged(int ChannelId, int NewCount) {
123        LSCPServer::SendLSCPNotify(LSCPEvent(LSCPEvent::event_fx_send_count, ChannelId, NewCount));
124    }
125    
126    void LSCPServer::LscpVoiceCountListener::VoiceCountChanged(int ChannelId, int NewCount) {
127        LSCPServer::SendLSCPNotify(LSCPEvent(LSCPEvent::event_voice_count, ChannelId, NewCount));
128    }
129    
130    void LSCPServer::LscpStreamCountListener::StreamCountChanged(int ChannelId, int NewCount) {
131        LSCPServer::SendLSCPNotify(LSCPEvent(LSCPEvent::event_stream_count, ChannelId, NewCount));
132    }
133    
134    void LSCPServer::LscpBufferFillListener::BufferFillChanged(int ChannelId, String FillData) {
135        LSCPServer::SendLSCPNotify(LSCPEvent(LSCPEvent::event_buffer_fill, ChannelId, FillData));
136    }
137    
138    void LSCPServer::LscpTotalVoiceCountListener::TotalVoiceCountChanged(int NewCount) {
139        LSCPServer::SendLSCPNotify(LSCPEvent(LSCPEvent::event_total_voice_count, NewCount));
140    }
141    
142    
143  /**  /**
144   * Blocks the calling thread until the LSCP Server is initialized and   * Blocks the calling thread until the LSCP Server is initialized and
145   * accepting socket connections, if the server is already initialized then   * accepting socket connections, if the server is already initialized then
# Line 120  int LSCPServer::Main() { Line 180  int LSCPServer::Main() {
180    
181      listen(hSocket, 1);      listen(hSocket, 1);
182      Initialized.Set(true);      Initialized.Set(true);
183        
184        // Registering event listeners
185        pSampler->AddChannelCountListener(&channelCountListener);
186        pSampler->AddAudioDeviceCountListener(&audioDeviceCountListener);
187        pSampler->AddMidiDeviceCountListener(&midiDeviceCountListener);
188        pSampler->AddVoiceCountListener(&voiceCountListener);
189        pSampler->AddStreamCountListener(&streamCountListener);
190        pSampler->AddBufferFillListener(&bufferFillListener);
191        pSampler->AddTotalVoiceCountListener(&totalVoiceCountListener);
192        pSampler->AddFxSendCountListener(&fxSendCountListener);
193        MidiInstrumentMapper::AddMidiInstrumentCountListener(&midiInstrumentCountListener);
194        MidiInstrumentMapper::AddMidiInstrumentInfoListener(&midiInstrumentInfoListener);
195        MidiInstrumentMapper::AddMidiInstrumentMapCountListener(&midiInstrumentMapCountListener);
196        MidiInstrumentMapper::AddMidiInstrumentMapInfoListener(&midiInstrumentMapInfoListener);
197    
198      // now wait for client connections and handle their requests      // now wait for client connections and handle their requests
199      sockaddr_in client;      sockaddr_in client;
# Line 140  int LSCPServer::Main() { Line 214  int LSCPServer::Main() {
214                  if ((*itEngineChannel)->StatusChanged()) {                  if ((*itEngineChannel)->StatusChanged()) {
215                      SendLSCPNotify(LSCPEvent(LSCPEvent::event_channel_info, (*itEngineChannel)->iSamplerChannelIndex));                      SendLSCPNotify(LSCPEvent(LSCPEvent::event_channel_info, (*itEngineChannel)->iSamplerChannelIndex));
216                  }                  }
217    
218                    for (int i = 0; i < (*itEngineChannel)->GetFxSendCount(); i++) {
219                        FxSend* fxs = (*itEngineChannel)->GetFxSend(i);
220                        if(fxs != NULL && fxs->IsInfoChanged()) {
221                            int chn = (*itEngineChannel)->iSamplerChannelIndex;
222                            LSCPServer::SendLSCPNotify(LSCPEvent(LSCPEvent::event_fx_send_info, chn, fxs->Id()));
223                            fxs->SetInfoChanged(false);
224                        }
225                    }
226              }              }
227          }          }
228    
# Line 662  String LSCPServer::GetChannelInfo(uint u Line 745  String LSCPServer::GetChannelInfo(uint u
745          String AudioRouting;          String AudioRouting;
746          int Mute = 0;          int Mute = 0;
747          bool Solo = false;          bool Solo = false;
748          String MidiInstrumentMap;          String MidiInstrumentMap = "NONE";
749    
750          if (pEngineChannel) {          if (pEngineChannel) {
751              EngineName          = pEngineChannel->EngineName();              EngineName          = pEngineChannel->EngineName();
# Line 1185  String LSCPServer::SetAudioOutputChannel Line 1268  String LSCPServer::SetAudioOutputChannel
1268    
1269          // set new channel parameter value          // set new channel parameter value
1270          pParameter->SetValue(ParamVal);          pParameter->SetValue(ParamVal);
1271            LSCPServer::SendLSCPNotify(LSCPEvent(LSCPEvent::event_audio_device_info, DeviceId));
1272      }      }
1273      catch (Exception e) {      catch (Exception e) {
1274          result.Error(e);          result.Error(e);
# Line 1202  String LSCPServer::SetAudioOutputDeviceP Line 1286  String LSCPServer::SetAudioOutputDeviceP
1286          std::map<String,DeviceCreationParameter*> parameters = pDevice->DeviceParameters();          std::map<String,DeviceCreationParameter*> parameters = pDevice->DeviceParameters();
1287          if (!parameters.count(ParamKey)) throw Exception("Audio output device " + ToString(DeviceIndex) + " does not have a device parameter '" + ParamKey + "'");          if (!parameters.count(ParamKey)) throw Exception("Audio output device " + ToString(DeviceIndex) + " does not have a device parameter '" + ParamKey + "'");
1288          parameters[ParamKey]->SetValue(ParamVal);          parameters[ParamKey]->SetValue(ParamVal);
1289            LSCPServer::SendLSCPNotify(LSCPEvent(LSCPEvent::event_audio_device_info, DeviceIndex));
1290      }      }
1291      catch (Exception e) {      catch (Exception e) {
1292          result.Error(e);          result.Error(e);
# Line 1219  String LSCPServer::SetMidiInputDevicePar Line 1304  String LSCPServer::SetMidiInputDevicePar
1304          std::map<String,DeviceCreationParameter*> parameters = pDevice->DeviceParameters();          std::map<String,DeviceCreationParameter*> parameters = pDevice->DeviceParameters();
1305          if (!parameters.count(ParamKey)) throw Exception("MIDI input device " + ToString(DeviceIndex) + " does not have a device parameter '" + ParamKey + "'");          if (!parameters.count(ParamKey)) throw Exception("MIDI input device " + ToString(DeviceIndex) + " does not have a device parameter '" + ParamKey + "'");
1306          parameters[ParamKey]->SetValue(ParamVal);          parameters[ParamKey]->SetValue(ParamVal);
1307            LSCPServer::SendLSCPNotify(LSCPEvent(LSCPEvent::event_midi_device_info, DeviceIndex));
1308      }      }
1309      catch (Exception e) {      catch (Exception e) {
1310          result.Error(e);          result.Error(e);
# Line 1243  String LSCPServer::SetMidiInputPortParam Line 1329  String LSCPServer::SetMidiInputPortParam
1329          std::map<String,DeviceRuntimeParameter*> parameters = pMidiInputPort->PortParameters();          std::map<String,DeviceRuntimeParameter*> parameters = pMidiInputPort->PortParameters();
1330          if (!parameters.count(ParamKey)) throw Exception("MIDI input device " + ToString(PortIndex) + " does not have a parameter '" + ParamKey + "'");          if (!parameters.count(ParamKey)) throw Exception("MIDI input device " + ToString(PortIndex) + " does not have a parameter '" + ParamKey + "'");
1331          parameters[ParamKey]->SetValue(ParamVal);          parameters[ParamKey]->SetValue(ParamVal);
1332            LSCPServer::SendLSCPNotify(LSCPEvent(LSCPEvent::event_midi_device_info, DeviceIndex));
1333      }      }
1334      catch (Exception e) {      catch (Exception e) {
1335          result.Error(e);          result.Error(e);
# Line 1490  String LSCPServer::SetChannelSolo(bool b Line 1577  String LSCPServer::SetChannelSolo(bool b
1577    
1578          bool oldSolo = pEngineChannel->GetSolo();          bool oldSolo = pEngineChannel->GetSolo();
1579          bool hadSoloChannel = HasSoloChannel();          bool hadSoloChannel = HasSoloChannel();
1580            
1581          pEngineChannel->SetSolo(bSolo);          pEngineChannel->SetSolo(bSolo);
1582            
1583          if(!oldSolo && bSolo) {          if(!oldSolo && bSolo) {
1584              if(pEngineChannel->GetMute() == -1) pEngineChannel->SetMute(0);              if(pEngineChannel->GetMute() == -1) pEngineChannel->SetMute(0);
1585              if(!hadSoloChannel) MuteNonSoloChannels();              if(!hadSoloChannel) MuteNonSoloChannels();
1586          }          }
1587            
1588          if(oldSolo && !bSolo) {          if(oldSolo && !bSolo) {
1589              if(!HasSoloChannel()) UnmuteChannels();              if(!HasSoloChannel()) UnmuteChannels();
1590              else if(!pEngineChannel->GetMute()) pEngineChannel->SetMute(-1);              else if(!pEngineChannel->GetMute()) pEngineChannel->SetMute(-1);
# Line 1555  void  LSCPServer::UnmuteChannels() { Line 1642  void  LSCPServer::UnmuteChannels() {
1642      }      }
1643  }  }
1644    
1645  String LSCPServer::AddOrReplaceMIDIInstrumentMapping(uint MidiMapID, uint MidiBank, uint MidiProg, String EngineType, String InstrumentFile, uint InstrumentIndex, float Volume, MidiInstrumentMapper::mode_t LoadMode, String Name) {  String LSCPServer::AddOrReplaceMIDIInstrumentMapping(uint MidiMapID, uint MidiBank, uint MidiProg, String EngineType, String InstrumentFile, uint InstrumentIndex, float Volume, MidiInstrumentMapper::mode_t LoadMode, String Name, bool bModal) {
1646      dmsg(2,("LSCPServer: AddOrReplaceMIDIInstrumentMapping()\n"));      dmsg(2,("LSCPServer: AddOrReplaceMIDIInstrumentMapping()\n"));
1647    
1648      midi_prog_index_t idx;      midi_prog_index_t idx;
# Line 1573  String LSCPServer::AddOrReplaceMIDIInstr Line 1660  String LSCPServer::AddOrReplaceMIDIInstr
1660    
1661      LSCPResultSet result;      LSCPResultSet result;
1662      try {      try {
1663          // PERSISTENT mapping commands might bloock for a long time, so in          // PERSISTENT mapping commands might block for a long time, so in
1664          // that case we add/replace the mapping in another thread          // that case we add/replace the mapping in another thread in case
1665          bool bInBackground = (entry.LoadMode == MidiInstrumentMapper::PERSISTENT);          // the NON_MODAL argument was supplied, non persistent mappings
1666            // should return immediately, so we don't need to do that for them
1667            bool bInBackground = (entry.LoadMode == MidiInstrumentMapper::PERSISTENT && !bModal);
1668          MidiInstrumentMapper::AddOrReplaceEntry(MidiMapID, idx, entry, bInBackground);          MidiInstrumentMapper::AddOrReplaceEntry(MidiMapID, idx, entry, bInBackground);
1669      } catch (Exception e) {      } catch (Exception e) {
1670          result.Error(e);          result.Error(e);
# Line 1686  String LSCPServer::ListMidiInstrumentMap Line 1775  String LSCPServer::ListMidiInstrumentMap
1775          for (; iter != mappings.end(); iter++) {          for (; iter != mappings.end(); iter++) {
1776              if (s.size()) s += ",";              if (s.size()) s += ",";
1777              s += "{" + ToString(MidiMapID) + ","              s += "{" + ToString(MidiMapID) + ","
1778                       + ToString((int(iter->first.midi_bank_msb) << 7) & int(iter->first.midi_bank_lsb)) + ","                       + ToString((int(iter->first.midi_bank_msb) << 7) | int(iter->first.midi_bank_lsb)) + ","
1779                       + ToString(int(iter->first.midi_prog)) + "}";                       + ToString(int(iter->first.midi_prog)) + "}";
1780          }          }
1781          result.Add(s);          result.Add(s);
# Line 1708  String LSCPServer::ListAllMidiInstrument Line 1797  String LSCPServer::ListAllMidiInstrument
1797              for (; iter != mappings.end(); iter++) {              for (; iter != mappings.end(); iter++) {
1798                  if (s.size()) s += ",";                  if (s.size()) s += ",";
1799                  s += "{" + ToString(maps[i]) + ","                  s += "{" + ToString(maps[i]) + ","
1800                           + ToString((int(iter->first.midi_bank_msb) << 7) & int(iter->first.midi_bank_lsb)) + ","                           + ToString((int(iter->first.midi_bank_msb) << 7) | int(iter->first.midi_bank_lsb)) + ","
1801                           + ToString(int(iter->first.midi_prog)) + "}";                           + ToString(int(iter->first.midi_prog)) + "}";
1802              }              }
1803          }          }
# Line 1854  String LSCPServer::SetChannelMap(uint ui Line 1943  String LSCPServer::SetChannelMap(uint ui
1943      return result.Produce();      return result.Produce();
1944  }  }
1945    
1946    String LSCPServer::CreateFxSend(uint uiSamplerChannel, uint MidiCtrl, String Name) {
1947        dmsg(2,("LSCPServer: CreateFxSend()\n"));
1948        LSCPResultSet result;
1949        try {
1950            SamplerChannel* pSamplerChannel = pSampler->GetSamplerChannel(uiSamplerChannel);
1951            if (!pSamplerChannel) throw Exception("Invalid sampler channel number " + ToString(uiSamplerChannel));
1952    
1953            EngineChannel* pEngineChannel = pSamplerChannel->GetEngineChannel();
1954            if (!pEngineChannel) throw Exception("There is no engine deployed on this sampler channel yet");
1955    
1956            FxSend* pFxSend = pEngineChannel->AddFxSend(MidiCtrl, Name);
1957            if (!pFxSend) throw Exception("Could not add FxSend, don't ask, I don't know why (probably a bug)");
1958    
1959            result = LSCPResultSet(pFxSend->Id()); // success
1960        } catch (Exception e) {
1961            result.Error(e);
1962        }
1963        return result.Produce();
1964    }
1965    
1966    String LSCPServer::DestroyFxSend(uint uiSamplerChannel, uint FxSendID) {
1967        dmsg(2,("LSCPServer: DestroyFxSend()\n"));
1968        LSCPResultSet result;
1969        try {
1970            SamplerChannel* pSamplerChannel = pSampler->GetSamplerChannel(uiSamplerChannel);
1971            if (!pSamplerChannel) throw Exception("Invalid sampler channel number " + ToString(uiSamplerChannel));
1972    
1973            EngineChannel* pEngineChannel = pSamplerChannel->GetEngineChannel();
1974            if (!pEngineChannel) throw Exception("There is no engine deployed on this sampler channel yet");
1975    
1976            FxSend* pFxSend = NULL;
1977            for (int i = 0; i < pEngineChannel->GetFxSendCount(); i++) {
1978                if (pEngineChannel->GetFxSend(i)->Id() == FxSendID) {
1979                    pFxSend = pEngineChannel->GetFxSend(i);
1980                    break;
1981                }
1982            }
1983            if (!pFxSend) throw Exception("There is no FxSend with that ID on the given sampler channel");
1984            pEngineChannel->RemoveFxSend(pFxSend);
1985        } catch (Exception e) {
1986            result.Error(e);
1987        }
1988        return result.Produce();
1989    }
1990    
1991    String LSCPServer::GetFxSends(uint uiSamplerChannel) {
1992        dmsg(2,("LSCPServer: GetFxSends()\n"));
1993        LSCPResultSet result;
1994        try {
1995            SamplerChannel* pSamplerChannel = pSampler->GetSamplerChannel(uiSamplerChannel);
1996            if (!pSamplerChannel) throw Exception("Invalid sampler channel number " + ToString(uiSamplerChannel));
1997    
1998            EngineChannel* pEngineChannel = pSamplerChannel->GetEngineChannel();
1999            if (!pEngineChannel) throw Exception("There is no engine deployed on this sampler channel yet");
2000    
2001            result.Add(pEngineChannel->GetFxSendCount());
2002        } catch (Exception e) {
2003            result.Error(e);
2004        }
2005        return result.Produce();
2006    }
2007    
2008    String LSCPServer::ListFxSends(uint uiSamplerChannel) {
2009        dmsg(2,("LSCPServer: ListFxSends()\n"));
2010        LSCPResultSet result;
2011        String list;
2012        try {
2013            SamplerChannel* pSamplerChannel = pSampler->GetSamplerChannel(uiSamplerChannel);
2014            if (!pSamplerChannel) throw Exception("Invalid sampler channel number " + ToString(uiSamplerChannel));
2015    
2016            EngineChannel* pEngineChannel = pSamplerChannel->GetEngineChannel();
2017            if (!pEngineChannel) throw Exception("There is no engine deployed on this sampler channel yet");
2018    
2019            for (int i = 0; i < pEngineChannel->GetFxSendCount(); i++) {
2020                FxSend* pFxSend = pEngineChannel->GetFxSend(i);
2021                if (list != "") list += ",";
2022                list += ToString(pFxSend->Id());
2023            }
2024            result.Add(list);
2025        } catch (Exception e) {
2026            result.Error(e);
2027        }
2028        return result.Produce();
2029    }
2030    
2031    String LSCPServer::GetFxSendInfo(uint uiSamplerChannel, uint FxSendID) {
2032        dmsg(2,("LSCPServer: GetFxSendInfo()\n"));
2033        LSCPResultSet result;
2034        try {
2035            SamplerChannel* pSamplerChannel = pSampler->GetSamplerChannel(uiSamplerChannel);
2036            if (!pSamplerChannel) throw Exception("Invalid sampler channel number " + ToString(uiSamplerChannel));
2037    
2038            EngineChannel* pEngineChannel = pSamplerChannel->GetEngineChannel();
2039            if (!pEngineChannel) throw Exception("There is no engine deployed on this sampler channel yet");
2040    
2041            FxSend* pFxSend = NULL;
2042            for (int i = 0; i < pEngineChannel->GetFxSendCount(); i++) {
2043                if (pEngineChannel->GetFxSend(i)->Id() == FxSendID) {
2044                    pFxSend = pEngineChannel->GetFxSend(i);
2045                    break;
2046                }
2047            }
2048            if (!pFxSend) throw Exception("There is no FxSend with that ID on the given sampler channel");
2049    
2050            // gather audio routing informations
2051            String AudioRouting;
2052            for (int chan = 0; chan < pEngineChannel->Channels(); chan++) {
2053                if (AudioRouting != "") AudioRouting += ",";
2054                AudioRouting += ToString(pFxSend->DestinationChannel(chan));
2055            }
2056    
2057            // success
2058            result.Add("NAME", pFxSend->Name());
2059            result.Add("MIDI_CONTROLLER", pFxSend->MidiController());
2060            result.Add("LEVEL", ToString(pFxSend->Level()));
2061            result.Add("AUDIO_OUTPUT_ROUTING", AudioRouting);
2062        } catch (Exception e) {
2063            result.Error(e);
2064        }
2065        return result.Produce();
2066    }
2067    
2068    String LSCPServer::SetFxSendAudioOutputChannel(uint uiSamplerChannel, uint FxSendID, uint FxSendChannel, uint DeviceChannel) {
2069        dmsg(2,("LSCPServer: SetFxSendAudioOutputChannel()\n"));
2070        LSCPResultSet result;
2071        try {
2072            SamplerChannel* pSamplerChannel = pSampler->GetSamplerChannel(uiSamplerChannel);
2073            if (!pSamplerChannel) throw Exception("Invalid sampler channel number " + ToString(uiSamplerChannel));
2074    
2075            EngineChannel* pEngineChannel = pSamplerChannel->GetEngineChannel();
2076            if (!pEngineChannel) throw Exception("There is no engine deployed on this sampler channel yet");
2077    
2078            FxSend* pFxSend = NULL;
2079            for (int i = 0; i < pEngineChannel->GetFxSendCount(); i++) {
2080                if (pEngineChannel->GetFxSend(i)->Id() == FxSendID) {
2081                    pFxSend = pEngineChannel->GetFxSend(i);
2082                    break;
2083                }
2084            }
2085            if (!pFxSend) throw Exception("There is no FxSend with that ID on the given sampler channel");
2086    
2087            pFxSend->SetDestinationChannel(FxSendChannel, DeviceChannel);
2088            LSCPServer::SendLSCPNotify(LSCPEvent(LSCPEvent::event_fx_send_info, uiSamplerChannel, FxSendID));
2089        } catch (Exception e) {
2090            result.Error(e);
2091        }
2092        return result.Produce();
2093    }
2094    
2095    String LSCPServer::SetFxSendMidiController(uint uiSamplerChannel, uint FxSendID, uint MidiController) {
2096        dmsg(2,("LSCPServer: SetFxSendMidiController()\n"));
2097        LSCPResultSet result;
2098        try {
2099            SamplerChannel* pSamplerChannel = pSampler->GetSamplerChannel(uiSamplerChannel);
2100            if (!pSamplerChannel) throw Exception("Invalid sampler channel number " + ToString(uiSamplerChannel));
2101    
2102            EngineChannel* pEngineChannel = pSamplerChannel->GetEngineChannel();
2103            if (!pEngineChannel) throw Exception("There is no engine deployed on this sampler channel yet");
2104    
2105            FxSend* pFxSend = NULL;
2106            for (int i = 0; i < pEngineChannel->GetFxSendCount(); i++) {
2107                if (pEngineChannel->GetFxSend(i)->Id() == FxSendID) {
2108                    pFxSend = pEngineChannel->GetFxSend(i);
2109                    break;
2110                }
2111            }
2112            if (!pFxSend) throw Exception("There is no FxSend with that ID on the given sampler channel");
2113    
2114            pFxSend->SetMidiController(MidiController);
2115            LSCPServer::SendLSCPNotify(LSCPEvent(LSCPEvent::event_fx_send_info, uiSamplerChannel, FxSendID));
2116        } catch (Exception e) {
2117            result.Error(e);
2118        }
2119        return result.Produce();
2120    }
2121    
2122    String LSCPServer::SetFxSendLevel(uint uiSamplerChannel, uint FxSendID, double dLevel) {
2123        dmsg(2,("LSCPServer: SetFxSendLevel()\n"));
2124        LSCPResultSet result;
2125        try {
2126            SamplerChannel* pSamplerChannel = pSampler->GetSamplerChannel(uiSamplerChannel);
2127            if (!pSamplerChannel) throw Exception("Invalid sampler channel number " + ToString(uiSamplerChannel));
2128    
2129            EngineChannel* pEngineChannel = pSamplerChannel->GetEngineChannel();
2130            if (!pEngineChannel) throw Exception("There is no engine deployed on this sampler channel yet");
2131    
2132            FxSend* pFxSend = NULL;
2133            for (int i = 0; i < pEngineChannel->GetFxSendCount(); i++) {
2134                if (pEngineChannel->GetFxSend(i)->Id() == FxSendID) {
2135                    pFxSend = pEngineChannel->GetFxSend(i);
2136                    break;
2137                }
2138            }
2139            if (!pFxSend) throw Exception("There is no FxSend with that ID on the given sampler channel");
2140    
2141            pFxSend->SetLevel((float)dLevel);
2142            LSCPServer::SendLSCPNotify(LSCPEvent(LSCPEvent::event_fx_send_info, uiSamplerChannel, FxSendID));
2143        } catch (Exception e) {
2144            result.Error(e);
2145        }
2146        return result.Produce();
2147    }
2148    
2149  /**  /**
2150   * Will be called by the parser to reset a particular sampler channel.   * Will be called by the parser to reset a particular sampler channel.
2151   */   */
# Line 1916  String LSCPServer::GetTotalVoiceCountMax Line 2208  String LSCPServer::GetTotalVoiceCountMax
2208      return result.Produce();      return result.Produce();
2209  }  }
2210    
2211    String LSCPServer::GetGlobalVolume() {
2212        LSCPResultSet result;
2213        result.Add(ToString(GLOBAL_VOLUME)); // see common/global.cpp
2214        return result.Produce();
2215    }
2216    
2217    String LSCPServer::SetGlobalVolume(double dVolume) {
2218        LSCPResultSet result;
2219        try {
2220            if (dVolume < 0) throw Exception("Volume may not be negative");
2221            GLOBAL_VOLUME = dVolume; // see common/global.cpp
2222            LSCPServer::SendLSCPNotify(LSCPEvent(LSCPEvent::event_global_info, "VOLUME", GLOBAL_VOLUME));
2223        } catch (Exception e) {
2224            result.Error(e);
2225        }
2226        return result.Produce();
2227    }
2228    
2229  /**  /**
2230   * 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
2231   * server for receiving event messages.   * server for receiving event messages.
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