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

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revision 1923 by persson, Sat Apr 18 08:17:16 2009 UTC revision 1924 by persson, Sun Jun 28 16:43:38 2009 UTC
# Line 277  namespace LinuxSampler { Line 277  namespace LinuxSampler {
277      }      }
278    
279      void MidiInputPort::DispatchProgramChange(uint8_t Program, uint MidiChannel) {      void MidiInputPort::DispatchProgramChange(uint8_t Program, uint MidiChannel) {
         dmsg(1,("Received MIDI program change (prog=%d,ch=%d)\n",Program,MidiChannel));  
280          if (Program > 127 || MidiChannel > 16) return;          if (Program > 127 || MidiChannel > 16) return;
281          if (!pDevice || !pDevice->pSampler) {          if (!pDevice || !pDevice->pSampler) {
282              std::cerr << "MidiInputPort: ERROR, no sampler instance to handle program change."              std::cerr << "MidiInputPort: ERROR, no sampler instance to handle program change."
283                        << "This is a bug, please report it!\n" << std::flush;                        << "This is a bug, please report it!\n" << std::flush;
284              return;              return;
285          }          }
         std::vector<int> maps = MidiInstrumentMapper::Maps();  
         if (maps.empty()) return;  
286    
287          const MidiChannelMap_t& midiChannelMap = MidiChannelMapReader.Lock();          const MidiChannelMap_t& midiChannelMap = MidiChannelMapReader.Lock();
288          // dispatch event for engines listening to the same MIDI channel          // dispatch event for engines listening to the same MIDI channel
289          {          {
290              std::set<EngineChannel*>::iterator engineiter = midiChannelMap[MidiChannel].begin();              std::set<EngineChannel*>::iterator engineiter = midiChannelMap[MidiChannel].begin();
291              std::set<EngineChannel*>::iterator end        = midiChannelMap[MidiChannel].end();              std::set<EngineChannel*>::iterator end        = midiChannelMap[MidiChannel].end();
292              for (; engineiter != end; engineiter++) {              for (; engineiter != end; engineiter++) (*engineiter)->SendProgramChange(Program);
                 (*engineiter)->SetMidiProgram(Program);  
                 if ((*engineiter)->UsesNoMidiInstrumentMap()) continue;  
                 if (MidiInstrumentMapper::GetMapCount() == 0) continue;  
                 // retrieve the MIDI instrument map this engine channel is assigned to  
                 int iMapID = ((*engineiter)->UsesDefaultMidiInstrumentMap())  
                     ? MidiInstrumentMapper::GetDefaultMap() /*default*/ : (*engineiter)->GetMidiInstrumentMap();  
                 // is there an entry for this MIDI bank&prog pair in that map?  
                 midi_prog_index_t midiIndex;  
                 midiIndex.midi_bank_msb = (*engineiter)->GetMidiBankMsb();  
                 midiIndex.midi_bank_lsb = (*engineiter)->GetMidiBankLsb();  
                 midiIndex.midi_prog     = (*engineiter)->GetMidiProgram();  
                 optional<MidiInstrumentMapper::entry_t> mapping =  
                     MidiInstrumentMapper::GetEntry(iMapID, midiIndex);  
                 if (mapping) { // if mapping exists ...  
                     InstrumentManager::instrument_id_t id;  
                     id.FileName = mapping->InstrumentFile;  
                     id.Index    = mapping->InstrumentIndex;  
                     //TODO: we should switch the engine type here  
                     InstrumentManager::LoadInstrumentInBackground(id, *engineiter);  
                     (*engineiter)->Volume(mapping->Volume);  
                 }  
             }  
293          }          }
294          // dispatch event for engines listening to ALL MIDI channels          // dispatch event for engines listening to ALL MIDI channels
295          {          {
296              std::set<EngineChannel*>::iterator engineiter = midiChannelMap[midi_chan_all].begin();              std::set<EngineChannel*>::iterator engineiter = midiChannelMap[midi_chan_all].begin();
297              std::set<EngineChannel*>::iterator end        = midiChannelMap[midi_chan_all].end();              std::set<EngineChannel*>::iterator end        = midiChannelMap[midi_chan_all].end();
298              for (; engineiter != end; engineiter++) {              for (; engineiter != end; engineiter++) (*engineiter)->SendProgramChange(Program);
                 (*engineiter)->SetMidiProgram(Program);  
                 if ((*engineiter)->UsesNoMidiInstrumentMap()) continue;  
                 if (MidiInstrumentMapper::GetMapCount() == 0) continue;  
                 // retrieve the MIDI instrument map this engine channel is assigned to  
                 int iMapID = ((*engineiter)->UsesDefaultMidiInstrumentMap())  
                     ? MidiInstrumentMapper::GetDefaultMap() /*default*/ : (*engineiter)->GetMidiInstrumentMap();  
                 // is there an entry for this MIDI bank&prog pair in that map?  
                 midi_prog_index_t midiIndex;  
                 midiIndex.midi_bank_msb = (*engineiter)->GetMidiBankMsb();  
                 midiIndex.midi_bank_lsb = (*engineiter)->GetMidiBankLsb();  
                 midiIndex.midi_prog     = (*engineiter)->GetMidiProgram();  
                 optional<MidiInstrumentMapper::entry_t> mapping =  
                     MidiInstrumentMapper::GetEntry(iMapID, midiIndex);  
                 if (mapping) { // if mapping exists ...  
                     InstrumentManager::instrument_id_t id;  
                     id.FileName = mapping->InstrumentFile;  
                     id.Index    = mapping->InstrumentIndex;  
                     //TODO: we should switch the engine type here  
                     InstrumentManager::LoadInstrumentInBackground(id, *engineiter);  
                     (*engineiter)->Volume(mapping->Volume);  
                 }  
             }  
299          }          }
300          MidiChannelMapReader.Unlock();          MidiChannelMapReader.Unlock();
301      }      }
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