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/*************************************************************************** |
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* * |
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* Copyright (C) 2006 Christian Schoenebeck * |
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* * |
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* This library is free software; you can redistribute it and/or modify * |
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* it under the terms of the GNU General Public License as published by * |
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* the Free Software Foundation; either version 2 of the License, or * |
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* (at your option) any later version. * |
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* * |
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* This library is distributed in the hope that it will be useful, * |
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* but WITHOUT ANY WARRANTY; without even the implied warranty of * |
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the * |
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* GNU General Public License for more details. * |
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* * |
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* You should have received a copy of the GNU General Public License * |
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* along with this library; if not, write to the Free Software * |
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* Foundation, Inc., 59 Temple Place, Suite 330, Boston, * |
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* MA 02111-1307 USA * |
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***************************************************************************/ |
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#include "MidiInstrumentMapper.h" |
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#include "../../common/Mutex.h" |
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#include "../../engines/EngineFactory.h" |
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#include "../../engines/Engine.h" |
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namespace LinuxSampler { |
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// same as entry_t but without 'LoadMode' |
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struct private_entry_t { |
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String EngineName; |
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String InstrumentFile; |
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uint InstrumentIndex; |
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float Volume; |
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String Name; |
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}; |
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// here we store all mappings (MIDI bank&prog) -> (Engine,File,Index) |
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std::map<midi_prog_index_t,private_entry_t> midiMap; |
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// for synchronization of midiMap |
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Mutex midiMapMutex; |
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void MidiInstrumentMapper::AddOrReplaceMapping(midi_prog_index_t Index, entry_t Entry, bool bInBackground) throw (Exception) { |
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if (bInBackground) { |
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dmsg(3,("MidiInstrumentMapper: updating mapping (%d,%d,%d) -> ('%s','%s',%d) with vol=%f, mode=%d in background\n", |
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Index.midi_bank_msb,Index.midi_bank_lsb,Index.midi_prog, |
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Entry.EngineName.c_str(),Entry.InstrumentFile.c_str(),Entry.InstrumentIndex, |
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Entry.Volume,Entry.LoadMode) |
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); |
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} else { |
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dmsg(3,("MidiInstrumentMapper: updating mapping (%d,%d,%d) -> ('%s','%s',%d) with vol=%f, mode=%d\n", |
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Index.midi_bank_msb,Index.midi_bank_lsb,Index.midi_prog, |
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Entry.EngineName.c_str(),Entry.InstrumentFile.c_str(),Entry.InstrumentIndex, |
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Entry.Volume,Entry.LoadMode) |
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); |
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} |
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if (!Entry.InstrumentFile.size()) |
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throw Exception("No instrument file name given"); |
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if (Entry.Volume < 0.0) |
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throw Exception("Volume may not be a negative value"); |
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Engine* pEngine = EngineFactory::Create(Entry.EngineName); |
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if (!pEngine) |
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throw Exception("No such engine type '"+Entry.EngineName+"'"); |
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Entry.EngineName = pEngine->EngineName(); // make sure to use the official engine name |
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if (pEngine->GetInstrumentManager()) { |
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InstrumentManager::instrument_id_t id; |
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id.FileName = Entry.InstrumentFile; |
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id.Index = Entry.InstrumentIndex; |
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if (Entry.LoadMode != VOID) { |
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if (bInBackground) |
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pEngine->GetInstrumentManager()->SetModeInBackground(id, static_cast<InstrumentManager::mode_t>(Entry.LoadMode)); |
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else |
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pEngine->GetInstrumentManager()->SetMode(id, static_cast<InstrumentManager::mode_t>(Entry.LoadMode)); |
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} |
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} else { |
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dmsg(1,("WARNING: no InstrumentManager for engine '%s'\n",Entry.EngineName.c_str())); |
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} |
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private_entry_t privateEntry; |
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privateEntry.EngineName = Entry.EngineName; |
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privateEntry.InstrumentFile = Entry.InstrumentFile; |
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privateEntry.InstrumentIndex = Entry.InstrumentIndex; |
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privateEntry.Volume = Entry.Volume; |
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privateEntry.Name = Entry.Name; |
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midiMapMutex.Lock(); |
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midiMap[Index] = privateEntry; |
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midiMapMutex.Unlock(); |
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EngineFactory::Destroy(pEngine); |
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} |
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void MidiInstrumentMapper::RemoveMapping(midi_prog_index_t Index) { |
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midiMapMutex.Lock(); |
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midiMap.erase(Index); |
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midiMapMutex.Unlock(); |
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} |
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void MidiInstrumentMapper::RemoveAllMappings() { |
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midiMapMutex.Lock(); |
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midiMap.clear(); |
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midiMapMutex.Unlock(); |
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} |
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std::map<midi_prog_index_t,MidiInstrumentMapper::entry_t> MidiInstrumentMapper::Mappings() { |
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std::map<midi_prog_index_t,entry_t> result; |
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// copy the internal map first |
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midiMapMutex.Lock(); |
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for (std::map<midi_prog_index_t,private_entry_t>::iterator iter = midiMap.begin(); |
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iter != midiMap.end(); iter++) |
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{ |
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entry_t entry; |
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entry.EngineName = iter->second.EngineName; |
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entry.InstrumentFile = iter->second.InstrumentFile; |
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entry.InstrumentIndex = iter->second.InstrumentIndex; |
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entry.Volume = iter->second.Volume; |
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entry.Name = iter->second.Name; |
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result[iter->first] = entry; |
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} |
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midiMapMutex.Unlock(); |
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// complete it with current LoadMode of each entry |
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for (std::map<midi_prog_index_t,entry_t>::iterator iter = result.begin(); |
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iter != result.end(); iter++) |
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{ |
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entry_t& entry = iter->second; |
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Engine* pEngine = EngineFactory::Create(entry.EngineName); |
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if (!pEngine) { // invalid mapping |
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RemoveMapping(iter->first); |
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result.erase(iter); |
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continue; |
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} |
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InstrumentManager* pManager = pEngine->GetInstrumentManager(); |
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if (pManager) { // engine provides an InstrumentManager |
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InstrumentManager::instrument_id_t id; |
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id.FileName = entry.InstrumentFile; |
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id.Index = entry.InstrumentIndex; |
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entry.LoadMode = static_cast<mode_t>(pManager->GetMode(id)); |
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} else { // engine does not provide an InstrumentManager |
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// use default value |
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entry.LoadMode = ON_DEMAND; |
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} |
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EngineFactory::Destroy(pEngine); |
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} |
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return result; |
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} |
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optional<MidiInstrumentMapper::entry_t> MidiInstrumentMapper::GetEntry(midi_prog_index_t Index) { |
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optional<entry_t> result; |
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midiMapMutex.Lock(); |
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std::map<midi_prog_index_t,private_entry_t>::iterator iter = midiMap.find(Index); |
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if (iter != midiMap.end()) { |
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entry_t entry; |
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entry.EngineName = iter->second.EngineName; |
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entry.InstrumentFile = iter->second.InstrumentFile; |
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entry.InstrumentIndex = iter->second.InstrumentIndex; |
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entry.Volume = iter->second.Volume; |
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//TODO: for now we skip the LoadMode and Name entry here, since we don't need it in the MidiInputPort |
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result = entry; |
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} |
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midiMapMutex.Unlock(); |
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return result; |
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} |
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} // namespace LinuxSampler |