drivers/midi/MidiInstrumentMapper.cpp

/***************************************************************************
 *                                                                         *
 *   Copyright (C) 2006 - 2009 Christian Schoenebeck                       *
 *                                                                         *
 *   This library is free software; you can redistribute it and/or modify  *
 *   it under the terms of the GNU General Public License as published by  *
 *   the Free Software Foundation; either version 2 of the License, or     *
 *   (at your option) any later version.                                   *
 *                                                                         *
 *   This library is distributed in the hope that it will be useful,       *
 *   but WITHOUT ANY WARRANTY; without even the implied warranty of        *
 *   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the         *
 *   GNU General Public License for more details.                          *
 *                                                                         *
 *   You should have received a copy of the GNU General Public License     *
 *   along with this library; if not, write to the Free Software           *
 *   Foundation, Inc., 59 Temple Place, Suite 330, Boston,                 *
 *   MA  02111-1307  USA                                                   *
 ***************************************************************************/

#include "MidiInstrumentMapper.h"

#include "../../common/global_private.h"
#include "../../common/Mutex.h"
#include "../../engines/EngineFactory.h"
#include "../../engines/Engine.h"

#include <RIFF.h>

namespace LinuxSampler {

    // same as entry_t but without 'LoadMode'
    struct private_entry_t {
        String EngineName;
        String InstrumentFile;
        uint   InstrumentIndex;
        float  Volume;
        String Name;
    };

    // internal map type (MIDI bank&prog) -> (Engine,File,Index)
    class MidiInstrumentMap : public std::map<midi_prog_index_t,private_entry_t> {
        public:
            String name;
    };

    // here we store all maps
    std::map<int,MidiInstrumentMap> midiMaps;

    // for synchronization of midiMaps
    Mutex midiMapsMutex;

    ListenerList<MidiInstrumentCountListener*> MidiInstrumentMapper::llMidiInstrumentCountListeners;
    ListenerList<MidiInstrumentInfoListener*> MidiInstrumentMapper::llMidiInstrumentInfoListeners;
    ListenerList<MidiInstrumentMapCountListener*> MidiInstrumentMapper::llMidiInstrumentMapCountListeners;
    ListenerList<MidiInstrumentMapInfoListener*> MidiInstrumentMapper::llMidiInstrumentMapInfoListeners;
    int MidiInstrumentMapper::DefaultMap;
    
    void MidiInstrumentMapper::AddMidiInstrumentCountListener(MidiInstrumentCountListener* l) {
        llMidiInstrumentCountListeners.AddListener(l);
    }

    void MidiInstrumentMapper::RemoveMidiInstrumentCountListener(MidiInstrumentCountListener* l) {
        llMidiInstrumentCountListeners.RemoveListener(l);
    }

    void MidiInstrumentMapper::fireMidiInstrumentCountChanged(int MapId, int NewCount) {
        for (int i = 0; i < llMidiInstrumentCountListeners.GetListenerCount(); i++) {
            llMidiInstrumentCountListeners.GetListener(i)->MidiInstrumentCountChanged(MapId, NewCount);
        }
    }

    void MidiInstrumentMapper::AddMidiInstrumentInfoListener(MidiInstrumentInfoListener* l) {
        llMidiInstrumentInfoListeners.AddListener(l);
    }

    void MidiInstrumentMapper::RemoveMidiInstrumentInfoListener(MidiInstrumentInfoListener* l) {
        llMidiInstrumentInfoListeners.RemoveListener(l);
    }

    void MidiInstrumentMapper::fireMidiInstrumentInfoChanged(int MapId, int Bank, int Program) {
        for (int i = 0; i < llMidiInstrumentInfoListeners.GetListenerCount(); i++) {
            llMidiInstrumentInfoListeners.GetListener(i)->MidiInstrumentInfoChanged(MapId, Bank, Program);
        }
    }

    void MidiInstrumentMapper::AddMidiInstrumentMapCountListener(MidiInstrumentMapCountListener* l) {
        llMidiInstrumentMapCountListeners.AddListener(l);
    }

    void MidiInstrumentMapper::RemoveMidiInstrumentMapCountListener(MidiInstrumentMapCountListener* l) {
        llMidiInstrumentMapCountListeners.RemoveListener(l);
    }

    void MidiInstrumentMapper::fireMidiInstrumentMapCountChanged(int NewCount) {
        for (int i = 0; i < llMidiInstrumentMapCountListeners.GetListenerCount(); i++) {
            llMidiInstrumentMapCountListeners.GetListener(i)->MidiInstrumentMapCountChanged(NewCount);
        }
    }

    void MidiInstrumentMapper::AddMidiInstrumentMapInfoListener(MidiInstrumentMapInfoListener* l) {
        llMidiInstrumentMapInfoListeners.AddListener(l);
    }

    void MidiInstrumentMapper::RemoveMidiInstrumentMapInfoListener(MidiInstrumentMapInfoListener* l) {
        llMidiInstrumentMapInfoListeners.RemoveListener(l);
    }

    void MidiInstrumentMapper::fireMidiInstrumentMapInfoChanged(int MapId) {
        for (int i = 0; i < llMidiInstrumentMapInfoListeners.GetListenerCount(); i++) {
            llMidiInstrumentMapInfoListeners.GetListener(i)->MidiInstrumentMapInfoChanged(MapId);
        }
    }

    void MidiInstrumentMapper::AddOrReplaceEntry(int Map, midi_prog_index_t Index, entry_t Entry, bool bInBackground) throw (Exception) {
        if (bInBackground) {
            dmsg(3,("MidiInstrumentMapper: updating mapping %d (%d,%d,%d) -> ('%s','%s',%d) with vol=%f, mode=%d in background\n",
                Map,
                Index.midi_bank_msb,Index.midi_bank_lsb,Index.midi_prog,
                Entry.EngineName.c_str(),Entry.InstrumentFile.c_str(),Entry.InstrumentIndex,
                Entry.Volume,Entry.LoadMode)
            );
        } else {
            dmsg(3,("MidiInstrumentMapper: updating mapping %d (%d,%d,%d) -> ('%s','%s',%d) with vol=%f, mode=%d\n",
                Map,
                Index.midi_bank_msb,Index.midi_bank_lsb,Index.midi_prog,
                Entry.EngineName.c_str(),Entry.InstrumentFile.c_str(),Entry.InstrumentIndex,
                Entry.Volume,Entry.LoadMode)
            );
        }
        midiMapsMutex.Lock();
        if (midiMaps.empty()) {
            midiMapsMutex.Unlock();
            throw Exception("There is no MIDI instrument map, you have to add one first.");
        }
        midiMapsMutex.Unlock();
        if (!Entry.InstrumentFile.size())
            throw Exception("No instrument file name given");
        // TODO: an easy one - we should check here if given file exists and throw an exception if it doesn't
        if (Entry.Volume < 0.0)
            throw Exception("Volume may not be a negative value");
        Engine* pEngine = EngineFactory::Create(Entry.EngineName);
        if (!pEngine)
            throw Exception("No such engine type '"+Entry.EngineName+"'");
        Entry.EngineName = pEngine->EngineName(); // make sure to use the official engine name
        if (pEngine->GetInstrumentManager()) {
            InstrumentManager::instrument_id_t id;
            id.FileName = Entry.InstrumentFile;
            id.Index    = Entry.InstrumentIndex;
            if (Entry.LoadMode != DONTCARE) {
                if (bInBackground)
                    pEngine->GetInstrumentManager()->SetModeInBackground(id, static_cast<InstrumentManager::mode_t>(Entry.LoadMode));
                else
                    try { pEngine->GetInstrumentManager()->SetMode(id, static_cast<InstrumentManager::mode_t>(Entry.LoadMode)); }
                    catch (RIFF::Exception e) { throw Exception(e.Message); }
            }
        } else {
            dmsg(1,("WARNING: no InstrumentManager for engine '%s'\n",Entry.EngineName.c_str()));
        }
        private_entry_t privateEntry;
        privateEntry.EngineName      = Entry.EngineName;
        privateEntry.InstrumentFile  = Entry.InstrumentFile;
        privateEntry.InstrumentIndex = Entry.InstrumentIndex;
        privateEntry.Volume          = Entry.Volume;
        privateEntry.Name            = Entry.Name;

        bool Replaced = false;
        int InstrCount = 0;

        midiMapsMutex.Lock();
        std::map<int,MidiInstrumentMap>::iterator iterMap = midiMaps.find(Map);
        if (iterMap != midiMaps.end()) { // map found
            Replaced = (iterMap->second.find(Index) != iterMap->second.end());
            iterMap->second[Index] = privateEntry;
            InstrCount = iterMap->second.size();
        } else { // no such map
            midiMapsMutex.Unlock();
            EngineFactory::Destroy(pEngine);
            throw Exception("There is no MIDI instrument map " + ToString(Map));
        }
        midiMapsMutex.Unlock();
        EngineFactory::Destroy(pEngine);
        
        if (Replaced) {
            int Bank = (int(Index.midi_bank_msb) << 7) | int(Index.midi_bank_lsb);
            fireMidiInstrumentInfoChanged(Map, Bank, Index.midi_prog);
        } else {
            fireMidiInstrumentCountChanged(Map, InstrCount);
        }
    }

    void MidiInstrumentMapper::SetLoadMode(entry_t* pEntry) {
        Engine* pEngine = EngineFactory::Create(pEntry->EngineName);
        if (!pEngine) { // invalid mapping
            throw Exception("Invalid mapping");
        }

        InstrumentManager* pManager = pEngine->GetInstrumentManager();
        if (pManager) { // engine provides an InstrumentManager
            InstrumentManager::instrument_id_t id;
            id.FileName = pEntry->InstrumentFile;
            id.Index    = pEntry->InstrumentIndex;
            pEntry->LoadMode = static_cast<mode_t>(pManager->GetMode(id));
        } else { // engine does not provide an InstrumentManager
            // use default value
            pEntry->LoadMode = ON_DEMAND;
        }

        EngineFactory::Destroy(pEngine);
    }

    MidiInstrumentMapper::entry_t MidiInstrumentMapper::GetEntry(int Map, uint MidiBank, uint MidiProg) {
        midiMapsMutex.Lock();
        std::map<int,MidiInstrumentMap>::iterator iterMap = midiMaps.find(Map);
        if (iterMap == midiMaps.end()) { // no such map
            midiMapsMutex.Unlock();
            throw Exception("There is no MIDI instrument map " + ToString(Map));
        }

        midi_prog_index_t idx;
        idx.midi_bank_msb = (MidiBank >> 7) & 0x7f;
        idx.midi_bank_lsb = MidiBank & 0x7f;
        idx.midi_prog     = MidiProg;

        std::map<midi_prog_index_t,private_entry_t>::iterator iterEntry = iterMap->second.find(idx);
        if (iterEntry == iterMap->second.end()) {
            midiMapsMutex.Unlock();
            throw Exception("There is no map entry with that index");
        }

        entry_t entry;
        entry.EngineName      = iterEntry->second.EngineName;
        entry.InstrumentFile  = iterEntry->second.InstrumentFile;
        entry.InstrumentIndex = iterEntry->second.InstrumentIndex;
        entry.Volume          = iterEntry->second.Volume;
        entry.Name            = iterEntry->second.Name;

        try {
            SetLoadMode(&entry);
        } catch(Exception e) {
            midiMapsMutex.Unlock();
            throw e;
        }

        midiMapsMutex.Unlock();
        
        return entry;
    }

    void MidiInstrumentMapper::RemoveEntry(int Map, midi_prog_index_t Index) {
        int InstrCount = -1;

        midiMapsMutex.Lock();
        std::map<int,MidiInstrumentMap>::iterator iterMap = midiMaps.find(Map);
        if (iterMap != midiMaps.end()) { // map found
            iterMap->second.erase(Index); // remove entry
            InstrCount = iterMap->second.size();
        }
        midiMapsMutex.Unlock();
        
        if (InstrCount != -1) {
            fireMidiInstrumentCountChanged(Map, InstrCount);
        }
    }

    void MidiInstrumentMapper::RemoveAllEntries(int Map) {
        int InstrCount = -1;

        midiMapsMutex.Lock();
        std::map<int,MidiInstrumentMap>::iterator iterMap = midiMaps.find(Map);
        if (iterMap != midiMaps.end()) { // map found
            iterMap->second.clear(); // clear that map
            InstrCount = 0;
        }
        midiMapsMutex.Unlock();
        
        if (InstrCount != -1) {
            fireMidiInstrumentCountChanged(Map, InstrCount);
        }
    }

    std::map<midi_prog_index_t,MidiInstrumentMapper::entry_t> MidiInstrumentMapper::Entries(int Map) throw (Exception) {
        std::map<midi_prog_index_t,entry_t> result;

        // copy the internal map first
        midiMapsMutex.Lock();
        std::map<int,MidiInstrumentMap>::iterator iterMap = midiMaps.find(Map);
        if (iterMap == midiMaps.end()) { // no such map
            midiMapsMutex.Unlock();
            throw Exception("There is no MIDI instrument map " + ToString(Map));
        }
        for (std::map<midi_prog_index_t,private_entry_t>::iterator iterEntry = iterMap->second.begin();
             iterEntry != iterMap->second.end(); iterEntry++)
        {
            entry_t entry;
            entry.EngineName      = iterEntry->second.EngineName;
            entry.InstrumentFile  = iterEntry->second.InstrumentFile;
            entry.InstrumentIndex = iterEntry->second.InstrumentIndex;
            entry.Volume          = iterEntry->second.Volume;
            entry.Name            = iterEntry->second.Name;
            result[iterEntry->first] = entry;
        }
        midiMapsMutex.Unlock();

        // complete it with current LoadMode of each entry
        for (std::map<midi_prog_index_t,entry_t>::iterator iter = result.begin();
             iter != result.end(); iter++)
        {
            try {
                SetLoadMode(&(iter->second));
            } catch(Exception e) {
                RemoveEntry(Map, iter->first);
                result.erase(iter);
            }
        }
        return result;
    }

    std::vector<int> MidiInstrumentMapper::Maps() {
        std::vector<int> result;
        midiMapsMutex.Lock();
        for (std::map<int,MidiInstrumentMap>::iterator iterMap = midiMaps.begin();
             iterMap != midiMaps.end(); iterMap++)
        {
            result.push_back(iterMap->first);
        }
        midiMapsMutex.Unlock();
        return result;
    }

    int MidiInstrumentMapper::GetMapCount() {
        midiMapsMutex.Lock();
        int i = midiMaps.size();
        midiMapsMutex.Unlock();
        return i;
    }

    int MidiInstrumentMapper::GetInstrumentCount(int Map) {
        midiMapsMutex.Lock();
        std::map<int,MidiInstrumentMap>::iterator iterMap = midiMaps.find(Map);
        if (iterMap == midiMaps.end()) { // no such map
            midiMapsMutex.Unlock();
            throw Exception("There is no MIDI instrument map " + ToString(Map));
        }

        int i = iterMap->second.size();
        midiMapsMutex.Unlock();
        return i;
    }

    int MidiInstrumentMapper::GetInstrumentCount() {
        int count = 0;

        midiMapsMutex.Lock();
        std::map<int,MidiInstrumentMap>::iterator iterMap = midiMaps.begin();
        for (;iterMap != midiMaps.end(); iterMap++) {
            count += iterMap->second.size();
        }
        midiMapsMutex.Unlock();

        return count;
    }

    int MidiInstrumentMapper::AddMap(String MapName) throw (Exception) {
        int ID;
        midiMapsMutex.Lock();
        if (midiMaps.empty()) ID = 0;
        else {
            // get the highest existing map ID
            uint lastIndex = (--(midiMaps.end()))->first;
            // check if we reached the index limit
            if (lastIndex + 1 < lastIndex) {
                // search for an unoccupied map ID starting from 0
                for (uint i = 0; i < lastIndex; i++) {
                    if (midiMaps.find(i) != midiMaps.end()) continue;
                    // we found an unused ID, so insert the new map there
                    ID = i;
                    goto __create_map;
                }
                throw Exception("Internal error: could not find unoccupied MIDI instrument map ID.");
            }
            ID = lastIndex + 1;
        }
        __create_map:
        midiMaps[ID].name = MapName;
        
        fireMidiInstrumentMapCountChanged(Maps().size());
        // If there were no maps until now we must set a default map.
        if (midiMaps.size() == 1) SetDefaultMap(ID);
        midiMapsMutex.Unlock();
        
        return ID;
    }

    String MidiInstrumentMapper::MapName(int Map) throw (Exception) {
        String result;
        midiMapsMutex.Lock();
        std::map<int,MidiInstrumentMap>::iterator iterMap = midiMaps.find(Map);
        if (iterMap == midiMaps.end()) {
            midiMapsMutex.Unlock();
            throw Exception("There is no MIDI instrument map " + ToString(Map));
        }
        result = iterMap->second.name;
        midiMapsMutex.Unlock();
        return result;
    }

    void MidiInstrumentMapper::RenameMap(int Map, String NewName) throw (Exception) {
        midiMapsMutex.Lock();
        std::map<int,MidiInstrumentMap>::iterator iterMap = midiMaps.find(Map);
        if (iterMap == midiMaps.end()) {
            midiMapsMutex.Unlock();
            throw Exception("There is no MIDI instrument map " + ToString(Map));
        }
        iterMap->second.name = NewName;
        midiMapsMutex.Unlock();
        fireMidiInstrumentMapInfoChanged(Map);
    }

    void MidiInstrumentMapper::RemoveMap(int Map) {
        midiMapsMutex.Lock();
        midiMaps.erase(Map);
        if(Map == GetDefaultMap()) {
            SetDefaultMap(midiMaps.empty() ? -1 : (*(midiMaps.begin())).first);
        }
        fireMidiInstrumentMapCountChanged(Maps().size());
        midiMapsMutex.Unlock();
    }

    void MidiInstrumentMapper::RemoveAllMaps() {
        midiMapsMutex.Lock();
        midiMaps.clear();
        SetDefaultMap(-1);
        fireMidiInstrumentMapCountChanged(Maps().size());
        midiMapsMutex.Unlock();
    }

    int MidiInstrumentMapper::GetDefaultMap() {
        midiMapsMutex.Lock();
        int i = DefaultMap;
        midiMapsMutex.Unlock();
        return i;
    }

    void MidiInstrumentMapper::SetDefaultMap(int MapId) {
        midiMapsMutex.Lock();
        DefaultMap = MapId;
        midiMapsMutex.Unlock();
        
        if (MapId != -1) fireMidiInstrumentMapInfoChanged(MapId);
    }

    optional<MidiInstrumentMapper::entry_t> MidiInstrumentMapper::GetEntry(int Map, midi_prog_index_t Index) {
        optional<entry_t> result;
        midiMapsMutex.Lock();
        std::map<int,MidiInstrumentMap>::iterator iterMap = midiMaps.find(Map);
        if (iterMap != midiMaps.end()) { // map found
            std::map<midi_prog_index_t,private_entry_t>::iterator iterEntry = iterMap->second.find(Index);
            if (iterEntry != iterMap->second.end()) {
                entry_t entry;
                entry.EngineName      = iterEntry->second.EngineName;
                entry.InstrumentFile  = iterEntry->second.InstrumentFile;
                entry.InstrumentIndex = iterEntry->second.InstrumentIndex;
                entry.Volume          = iterEntry->second.Volume;
                //TODO: for now we skip the LoadMode and Name entry here, since we don't need it in the EngineChannel
                result = entry;
            }
        }
        midiMapsMutex.Unlock();
        return result;
    }

} // namespace LinuxSampler
1	schoenebeck	947	/***************************************************************************
2			* *
3	persson	1924	* Copyright (C) 2006 - 2009 Christian Schoenebeck *
4	schoenebeck	947	* *
5			* This library is free software; you can redistribute it and/or modify *
6			* it under the terms of the GNU General Public License as published by *
7			* the Free Software Foundation; either version 2 of the License, or *
8			* (at your option) any later version. *
9			* *
10			* This library is distributed in the hope that it will be useful, *
11			* but WITHOUT ANY WARRANTY; without even the implied warranty of *
12			* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the *
13			* GNU General Public License for more details. *
14			* *
15			* You should have received a copy of the GNU General Public License *
16			* along with this library; if not, write to the Free Software *
17			* Foundation, Inc., 59 Temple Place, Suite 330, Boston, *
18			* MA 02111-1307 USA *
19			***************************************************************************/
20
21			#include "MidiInstrumentMapper.h"
22
23	schoenebeck	1424	#include "../../common/global_private.h"
24	schoenebeck	947	#include "../../common/Mutex.h"
25			#include "../../engines/EngineFactory.h"
26			#include "../../engines/Engine.h"
27
28	iliev	1827	#include <RIFF.h>
29
30	schoenebeck	947	namespace LinuxSampler {
31
32			// same as entry_t but without 'LoadMode'
33			struct private_entry_t {
34			String EngineName;
35			String InstrumentFile;
36			uint InstrumentIndex;
37	schoenebeck	958	float Volume;
38	schoenebeck	947	String Name;
39			};
40
41	schoenebeck	973	// internal map type (MIDI bank&prog) -> (Engine,File,Index)
42			class MidiInstrumentMap : public std::map<midi_prog_index_t,private_entry_t> {
43			public:
44			String name;
45			};
46	schoenebeck	947
47	schoenebeck	973	// here we store all maps
48			std::map<int,MidiInstrumentMap> midiMaps;
49	schoenebeck	947
50	schoenebeck	973	// for synchronization of midiMaps
51			Mutex midiMapsMutex;
52	schoenebeck	947
53	iliev	1130	ListenerList<MidiInstrumentCountListener*> MidiInstrumentMapper::llMidiInstrumentCountListeners;
54			ListenerList<MidiInstrumentInfoListener*> MidiInstrumentMapper::llMidiInstrumentInfoListeners;
55			ListenerList<MidiInstrumentMapCountListener*> MidiInstrumentMapper::llMidiInstrumentMapCountListeners;
56			ListenerList<MidiInstrumentMapInfoListener*> MidiInstrumentMapper::llMidiInstrumentMapInfoListeners;
57	iliev	1135	int MidiInstrumentMapper::DefaultMap;
58	iliev	1130
59			void MidiInstrumentMapper::AddMidiInstrumentCountListener(MidiInstrumentCountListener* l) {
60			llMidiInstrumentCountListeners.AddListener(l);
61			}
62
63			void MidiInstrumentMapper::RemoveMidiInstrumentCountListener(MidiInstrumentCountListener* l) {
64			llMidiInstrumentCountListeners.RemoveListener(l);
65			}
66
67			void MidiInstrumentMapper::fireMidiInstrumentCountChanged(int MapId, int NewCount) {
68			for (int i = 0; i < llMidiInstrumentCountListeners.GetListenerCount(); i++) {
69			llMidiInstrumentCountListeners.GetListener(i)->MidiInstrumentCountChanged(MapId, NewCount);
70			}
71			}
72
73			void MidiInstrumentMapper::AddMidiInstrumentInfoListener(MidiInstrumentInfoListener* l) {
74			llMidiInstrumentInfoListeners.AddListener(l);
75			}
76
77			void MidiInstrumentMapper::RemoveMidiInstrumentInfoListener(MidiInstrumentInfoListener* l) {
78			llMidiInstrumentInfoListeners.RemoveListener(l);
79			}
80
81			void MidiInstrumentMapper::fireMidiInstrumentInfoChanged(int MapId, int Bank, int Program) {
82			for (int i = 0; i < llMidiInstrumentInfoListeners.GetListenerCount(); i++) {
83			llMidiInstrumentInfoListeners.GetListener(i)->MidiInstrumentInfoChanged(MapId, Bank, Program);
84			}
85			}
86
87			void MidiInstrumentMapper::AddMidiInstrumentMapCountListener(MidiInstrumentMapCountListener* l) {
88			llMidiInstrumentMapCountListeners.AddListener(l);
89			}
90
91			void MidiInstrumentMapper::RemoveMidiInstrumentMapCountListener(MidiInstrumentMapCountListener* l) {
92			llMidiInstrumentMapCountListeners.RemoveListener(l);
93			}
94
95			void MidiInstrumentMapper::fireMidiInstrumentMapCountChanged(int NewCount) {
96			for (int i = 0; i < llMidiInstrumentMapCountListeners.GetListenerCount(); i++) {
97			llMidiInstrumentMapCountListeners.GetListener(i)->MidiInstrumentMapCountChanged(NewCount);
98			}
99			}
100
101			void MidiInstrumentMapper::AddMidiInstrumentMapInfoListener(MidiInstrumentMapInfoListener* l) {
102			llMidiInstrumentMapInfoListeners.AddListener(l);
103			}
104
105			void MidiInstrumentMapper::RemoveMidiInstrumentMapInfoListener(MidiInstrumentMapInfoListener* l) {
106			llMidiInstrumentMapInfoListeners.RemoveListener(l);
107			}
108
109			void MidiInstrumentMapper::fireMidiInstrumentMapInfoChanged(int MapId) {
110			for (int i = 0; i < llMidiInstrumentMapInfoListeners.GetListenerCount(); i++) {
111			llMidiInstrumentMapInfoListeners.GetListener(i)->MidiInstrumentMapInfoChanged(MapId);
112			}
113			}
114
115	schoenebeck	973	void MidiInstrumentMapper::AddOrReplaceEntry(int Map, midi_prog_index_t Index, entry_t Entry, bool bInBackground) throw (Exception) {
116	schoenebeck	947	if (bInBackground) {
117	schoenebeck	973	dmsg(3,("MidiInstrumentMapper: updating mapping %d (%d,%d,%d) -> ('%s','%s',%d) with vol=%f, mode=%d in background\n",
118			Map,
119	schoenebeck	947	Index.midi_bank_msb,Index.midi_bank_lsb,Index.midi_prog,
120			Entry.EngineName.c_str(),Entry.InstrumentFile.c_str(),Entry.InstrumentIndex,
121			Entry.Volume,Entry.LoadMode)
122			);
123			} else {
124	schoenebeck	973	dmsg(3,("MidiInstrumentMapper: updating mapping %d (%d,%d,%d) -> ('%s','%s',%d) with vol=%f, mode=%d\n",
125			Map,
126	schoenebeck	947	Index.midi_bank_msb,Index.midi_bank_lsb,Index.midi_prog,
127			Entry.EngineName.c_str(),Entry.InstrumentFile.c_str(),Entry.InstrumentIndex,
128			Entry.Volume,Entry.LoadMode)
129			);
130			}
131	schoenebeck	973	midiMapsMutex.Lock();
132			if (midiMaps.empty()) {
133			midiMapsMutex.Unlock();
134			throw Exception("There is no MIDI instrument map, you have to add one first.");
135			}
136			midiMapsMutex.Unlock();
137	schoenebeck	970	if (!Entry.InstrumentFile.size())
138			throw Exception("No instrument file name given");
139	schoenebeck	1040	// TODO: an easy one - we should check here if given file exists and throw an exception if it doesn't
140	schoenebeck	947	if (Entry.Volume < 0.0)
141			throw Exception("Volume may not be a negative value");
142			Engine* pEngine = EngineFactory::Create(Entry.EngineName);
143			if (!pEngine)
144			throw Exception("No such engine type '"+Entry.EngineName+"'");
145			Entry.EngineName = pEngine->EngineName(); // make sure to use the official engine name
146			if (pEngine->GetInstrumentManager()) {
147			InstrumentManager::instrument_id_t id;
148			id.FileName = Entry.InstrumentFile;
149			id.Index = Entry.InstrumentIndex;
150	senoner	1481	if (Entry.LoadMode != DONTCARE) {
151	schoenebeck	947	if (bInBackground)
152			pEngine->GetInstrumentManager()->SetModeInBackground(id, static_cast<InstrumentManager::mode_t>(Entry.LoadMode));
153			else
154	iliev	1827	try { pEngine->GetInstrumentManager()->SetMode(id, static_cast<InstrumentManager::mode_t>(Entry.LoadMode)); }
155			catch (RIFF::Exception e) { throw Exception(e.Message); }
156	schoenebeck	947	}
157			} else {
158			dmsg(1,("WARNING: no InstrumentManager for engine '%s'\n",Entry.EngineName.c_str()));
159			}
160			private_entry_t privateEntry;
161			privateEntry.EngineName = Entry.EngineName;
162			privateEntry.InstrumentFile = Entry.InstrumentFile;
163			privateEntry.InstrumentIndex = Entry.InstrumentIndex;
164	schoenebeck	958	privateEntry.Volume = Entry.Volume;
165	schoenebeck	947	privateEntry.Name = Entry.Name;
166	iliev	981
167			bool Replaced = false;
168			int InstrCount = 0;
169
170	schoenebeck	973	midiMapsMutex.Lock();
171			std::map<int,MidiInstrumentMap>::iterator iterMap = midiMaps.find(Map);
172			if (iterMap != midiMaps.end()) { // map found
173	iliev	981	Replaced = (iterMap->second.find(Index) != iterMap->second.end());
174	schoenebeck	973	iterMap->second[Index] = privateEntry;
175	iliev	981	InstrCount = iterMap->second.size();
176	schoenebeck	973	} else { // no such map
177			midiMapsMutex.Unlock();
178			EngineFactory::Destroy(pEngine);
179			throw Exception("There is no MIDI instrument map " + ToString(Map));
180			}
181			midiMapsMutex.Unlock();
182	schoenebeck	947	EngineFactory::Destroy(pEngine);
183	iliev	981
184			if (Replaced) {
185	iliev	1754	int Bank = (int(Index.midi_bank_msb) << 7) \| int(Index.midi_bank_lsb);
186	iliev	1130	fireMidiInstrumentInfoChanged(Map, Bank, Index.midi_prog);
187	iliev	981	} else {
188	iliev	1130	fireMidiInstrumentCountChanged(Map, InstrCount);
189	iliev	981	}
190	schoenebeck	947	}
191
192	iliev	1763	void MidiInstrumentMapper::SetLoadMode(entry_t* pEntry) {
193			Engine* pEngine = EngineFactory::Create(pEntry->EngineName);
194			if (!pEngine) { // invalid mapping
195			throw Exception("Invalid mapping");
196			}
197
198			InstrumentManager* pManager = pEngine->GetInstrumentManager();
199			if (pManager) { // engine provides an InstrumentManager
200			InstrumentManager::instrument_id_t id;
201			id.FileName = pEntry->InstrumentFile;
202			id.Index = pEntry->InstrumentIndex;
203			pEntry->LoadMode = static_cast<mode_t>(pManager->GetMode(id));
204			} else { // engine does not provide an InstrumentManager
205			// use default value
206			pEntry->LoadMode = ON_DEMAND;
207			}
208
209			EngineFactory::Destroy(pEngine);
210			}
211
212			MidiInstrumentMapper::entry_t MidiInstrumentMapper::GetEntry(int Map, uint MidiBank, uint MidiProg) {
213			midiMapsMutex.Lock();
214			std::map<int,MidiInstrumentMap>::iterator iterMap = midiMaps.find(Map);
215			if (iterMap == midiMaps.end()) { // no such map
216			midiMapsMutex.Unlock();
217			throw Exception("There is no MIDI instrument map " + ToString(Map));
218			}
219
220			midi_prog_index_t idx;
221			idx.midi_bank_msb = (MidiBank >> 7) & 0x7f;
222			idx.midi_bank_lsb = MidiBank & 0x7f;
223			idx.midi_prog = MidiProg;
224
225			std::map<midi_prog_index_t,private_entry_t>::iterator iterEntry = iterMap->second.find(idx);
226			if (iterEntry == iterMap->second.end()) {
227			midiMapsMutex.Unlock();
228			throw Exception("There is no map entry with that index");
229			}
230
231			entry_t entry;
232			entry.EngineName = iterEntry->second.EngineName;
233			entry.InstrumentFile = iterEntry->second.InstrumentFile;
234			entry.InstrumentIndex = iterEntry->second.InstrumentIndex;
235			entry.Volume = iterEntry->second.Volume;
236			entry.Name = iterEntry->second.Name;
237
238			try {
239			SetLoadMode(&entry);
240			} catch(Exception e) {
241			midiMapsMutex.Unlock();
242			throw e;
243			}
244
245			midiMapsMutex.Unlock();
246
247			return entry;
248			}
249
250	schoenebeck	973	void MidiInstrumentMapper::RemoveEntry(int Map, midi_prog_index_t Index) {
251	iliev	981	int InstrCount = -1;
252
253	schoenebeck	973	midiMapsMutex.Lock();
254			std::map<int,MidiInstrumentMap>::iterator iterMap = midiMaps.find(Map);
255			if (iterMap != midiMaps.end()) { // map found
256			iterMap->second.erase(Index); // remove entry
257	iliev	981	InstrCount = iterMap->second.size();
258	schoenebeck	973	}
259			midiMapsMutex.Unlock();
260	iliev	981
261			if (InstrCount != -1) {
262	iliev	1130	fireMidiInstrumentCountChanged(Map, InstrCount);
263	iliev	981	}
264	schoenebeck	947	}
265
266	schoenebeck	973	void MidiInstrumentMapper::RemoveAllEntries(int Map) {
267	iliev	981	int InstrCount = -1;
268
269	schoenebeck	973	midiMapsMutex.Lock();
270			std::map<int,MidiInstrumentMap>::iterator iterMap = midiMaps.find(Map);
271			if (iterMap != midiMaps.end()) { // map found
272			iterMap->second.clear(); // clear that map
273	iliev	981	InstrCount = 0;
274	schoenebeck	973	}
275			midiMapsMutex.Unlock();
276	iliev	981
277			if (InstrCount != -1) {
278	iliev	1130	fireMidiInstrumentCountChanged(Map, InstrCount);
279	iliev	981	}
280	schoenebeck	947	}
281
282	schoenebeck	973	std::map<midi_prog_index_t,MidiInstrumentMapper::entry_t> MidiInstrumentMapper::Entries(int Map) throw (Exception) {
283	schoenebeck	947	std::map<midi_prog_index_t,entry_t> result;
284	schoenebeck	973
285	schoenebeck	947	// copy the internal map first
286	schoenebeck	973	midiMapsMutex.Lock();
287			std::map<int,MidiInstrumentMap>::iterator iterMap = midiMaps.find(Map);
288			if (iterMap == midiMaps.end()) { // no such map
289			midiMapsMutex.Unlock();
290			throw Exception("There is no MIDI instrument map " + ToString(Map));
291			}
292			for (std::map<midi_prog_index_t,private_entry_t>::iterator iterEntry = iterMap->second.begin();
293			iterEntry != iterMap->second.end(); iterEntry++)
294	schoenebeck	947	{
295			entry_t entry;
296	schoenebeck	973	entry.EngineName = iterEntry->second.EngineName;
297			entry.InstrumentFile = iterEntry->second.InstrumentFile;
298			entry.InstrumentIndex = iterEntry->second.InstrumentIndex;
299			entry.Volume = iterEntry->second.Volume;
300			entry.Name = iterEntry->second.Name;
301			result[iterEntry->first] = entry;
302	schoenebeck	947	}
303	schoenebeck	973	midiMapsMutex.Unlock();
304
305	schoenebeck	958	// complete it with current LoadMode of each entry
306	schoenebeck	947	for (std::map<midi_prog_index_t,entry_t>::iterator iter = result.begin();
307			iter != result.end(); iter++)
308			{
309	iliev	1763	try {
310			SetLoadMode(&(iter->second));
311			} catch(Exception e) {
312	schoenebeck	973	RemoveEntry(Map, iter->first);
313	schoenebeck	947	result.erase(iter);
314			}
315			}
316			return result;
317			}
318
319	schoenebeck	973	std::vector<int> MidiInstrumentMapper::Maps() {
320			std::vector<int> result;
321			midiMapsMutex.Lock();
322			for (std::map<int,MidiInstrumentMap>::iterator iterMap = midiMaps.begin();
323			iterMap != midiMaps.end(); iterMap++)
324			{
325			result.push_back(iterMap->first);
326			}
327			midiMapsMutex.Unlock();
328			return result;
329			}
330
331	iliev	1135	int MidiInstrumentMapper::GetMapCount() {
332			midiMapsMutex.Lock();
333			int i = midiMaps.size();
334			midiMapsMutex.Unlock();
335			return i;
336			}
337
338	iliev	1763	int MidiInstrumentMapper::GetInstrumentCount(int Map) {
339			midiMapsMutex.Lock();
340			std::map<int,MidiInstrumentMap>::iterator iterMap = midiMaps.find(Map);
341			if (iterMap == midiMaps.end()) { // no such map
342			midiMapsMutex.Unlock();
343			throw Exception("There is no MIDI instrument map " + ToString(Map));
344			}
345
346			int i = iterMap->second.size();
347			midiMapsMutex.Unlock();
348			return i;
349			}
350
351			int MidiInstrumentMapper::GetInstrumentCount() {
352			int count = 0;
353
354			midiMapsMutex.Lock();
355			std::map<int,MidiInstrumentMap>::iterator iterMap = midiMaps.begin();
356			for (;iterMap != midiMaps.end(); iterMap++) {
357			count += iterMap->second.size();
358			}
359			midiMapsMutex.Unlock();
360
361			return count;
362			}
363
364	schoenebeck	973	int MidiInstrumentMapper::AddMap(String MapName) throw (Exception) {
365			int ID;
366			midiMapsMutex.Lock();
367			if (midiMaps.empty()) ID = 0;
368			else {
369			// get the highest existing map ID
370			uint lastIndex = (--(midiMaps.end()))->first;
371			// check if we reached the index limit
372			if (lastIndex + 1 < lastIndex) {
373			// search for an unoccupied map ID starting from 0
374			for (uint i = 0; i < lastIndex; i++) {
375			if (midiMaps.find(i) != midiMaps.end()) continue;
376			// we found an unused ID, so insert the new map there
377			ID = i;
378			goto __create_map;
379			}
380			throw Exception("Internal error: could not find unoccupied MIDI instrument map ID.");
381			}
382	iliev	976	ID = lastIndex + 1;
383	schoenebeck	973	}
384			__create_map:
385			midiMaps[ID].name = MapName;
386	iliev	1135
387			fireMidiInstrumentMapCountChanged(Maps().size());
388			// If there were no maps until now we must set a default map.
389			if (midiMaps.size() == 1) SetDefaultMap(ID);
390	schoenebeck	973	midiMapsMutex.Unlock();
391	iliev	1135
392	schoenebeck	973	return ID;
393			}
394
395			String MidiInstrumentMapper::MapName(int Map) throw (Exception) {
396			String result;
397			midiMapsMutex.Lock();
398			std::map<int,MidiInstrumentMap>::iterator iterMap = midiMaps.find(Map);
399			if (iterMap == midiMaps.end()) {
400			midiMapsMutex.Unlock();
401			throw Exception("There is no MIDI instrument map " + ToString(Map));
402			}
403			result = iterMap->second.name;
404			midiMapsMutex.Unlock();
405			return result;
406			}
407
408			void MidiInstrumentMapper::RenameMap(int Map, String NewName) throw (Exception) {
409			midiMapsMutex.Lock();
410			std::map<int,MidiInstrumentMap>::iterator iterMap = midiMaps.find(Map);
411			if (iterMap == midiMaps.end()) {
412			midiMapsMutex.Unlock();
413			throw Exception("There is no MIDI instrument map " + ToString(Map));
414			}
415			iterMap->second.name = NewName;
416			midiMapsMutex.Unlock();
417	iliev	1130	fireMidiInstrumentMapInfoChanged(Map);
418	schoenebeck	973	}
419
420			void MidiInstrumentMapper::RemoveMap(int Map) {
421			midiMapsMutex.Lock();
422			midiMaps.erase(Map);
423	iliev	1135	if(Map == GetDefaultMap()) {
424			SetDefaultMap(midiMaps.empty() ? -1 : (*(midiMaps.begin())).first);
425			}
426			fireMidiInstrumentMapCountChanged(Maps().size());
427	schoenebeck	973	midiMapsMutex.Unlock();
428			}
429
430			void MidiInstrumentMapper::RemoveAllMaps() {
431			midiMapsMutex.Lock();
432			midiMaps.clear();
433	iliev	1135	SetDefaultMap(-1);
434			fireMidiInstrumentMapCountChanged(Maps().size());
435	schoenebeck	973	midiMapsMutex.Unlock();
436			}
437
438	iliev	1135	int MidiInstrumentMapper::GetDefaultMap() {
439			midiMapsMutex.Lock();
440			int i = DefaultMap;
441			midiMapsMutex.Unlock();
442			return i;
443			}
444
445			void MidiInstrumentMapper::SetDefaultMap(int MapId) {
446			midiMapsMutex.Lock();
447			DefaultMap = MapId;
448			midiMapsMutex.Unlock();
449
450			if (MapId != -1) fireMidiInstrumentMapInfoChanged(MapId);
451			}
452
453	schoenebeck	973	optional<MidiInstrumentMapper::entry_t> MidiInstrumentMapper::GetEntry(int Map, midi_prog_index_t Index) {
454	schoenebeck	947	optional<entry_t> result;
455	schoenebeck	973	midiMapsMutex.Lock();
456			std::map<int,MidiInstrumentMap>::iterator iterMap = midiMaps.find(Map);
457			if (iterMap != midiMaps.end()) { // map found
458			std::map<midi_prog_index_t,private_entry_t>::iterator iterEntry = iterMap->second.find(Index);
459			if (iterEntry != iterMap->second.end()) {
460			entry_t entry;
461			entry.EngineName = iterEntry->second.EngineName;
462			entry.InstrumentFile = iterEntry->second.InstrumentFile;
463			entry.InstrumentIndex = iterEntry->second.InstrumentIndex;
464			entry.Volume = iterEntry->second.Volume;
465	persson	1924	//TODO: for now we skip the LoadMode and Name entry here, since we don't need it in the EngineChannel
466	schoenebeck	973	result = entry;
467			}
468	schoenebeck	947	}
469	schoenebeck	973	midiMapsMutex.Unlock();
470	schoenebeck	947	return result;
471			}
472
473			} // namespace LinuxSampler