drivers/midi/MidiInstrumentMapper.cpp

/***************************************************************************
 *                                                                         *
 *   Copyright (C) 2006 - 2013 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)
            );
        }
        {
            LockGuard lock(midiMapsMutex);
            if (midiMaps.empty()) {
                throw Exception("There is no MIDI instrument map, you have to add one first.");
            }
        }
        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;
        bool MapFound = false;
        {
            LockGuard lock(midiMapsMutex);
            std::map<int,MidiInstrumentMap>::iterator iterMap = midiMaps.find(Map);
            if (iterMap != midiMaps.end()) { // map found
                MapFound = true;
                Replaced = (iterMap->second.find(Index) != iterMap->second.end());
                iterMap->second[Index] = privateEntry;
                InstrCount = iterMap->second.size();
            }
        }
        EngineFactory::Destroy(pEngine);
        if (!MapFound) {
            throw Exception("There is no MIDI instrument map " + ToString(Map));
        }

        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) {
        LockGuard lock(midiMapsMutex);

        std::map<int,MidiInstrumentMap>::iterator iterMap = midiMaps.find(Map);
        if (iterMap == midiMaps.end()) { // no such map
            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()) {
            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) {
            throw e;
        }

        return entry;
    }

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

            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();
            }
        }
        
        if (InstrCount != -1) {
            fireMidiInstrumentCountChanged(Map, InstrCount);
        }
    }

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

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

            std::map<int,MidiInstrumentMap>::iterator iterMap = midiMaps.find(Map);
            if (iterMap == midiMaps.end()) { // no such map
                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;
            }
        }

        // 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;
        LockGuard lock(midiMapsMutex);
        for (std::map<int,MidiInstrumentMap>::iterator iterMap = midiMaps.begin();
             iterMap != midiMaps.end(); iterMap++)
        {
            result.push_back(iterMap->first);
        }
        return result;
    }

    int MidiInstrumentMapper::GetMapCount() {
        LockGuard lock(midiMapsMutex);
        return midiMaps.size();
    }

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

        return iterMap->second.size();
    }

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

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

        return count;
    }

    int MidiInstrumentMapper::AddMap(String MapName) throw (Exception) {
        int ID;
        LockGuard lock(midiMapsMutex);

        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);
        
        return ID;
    }

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

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

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

    void MidiInstrumentMapper::RemoveAllMaps() {
        LockGuard lock(midiMapsMutex);

        midiMaps.clear();
        SetDefaultMap(-1);
        fireMidiInstrumentMapCountChanged(Maps().size());
    }

    int MidiInstrumentMapper::GetDefaultMap() {
        LockGuard lock(midiMapsMutex);

        return DefaultMap;
    }

    void MidiInstrumentMapper::SetDefaultMap(int MapId) {
        {
            LockGuard lock(midiMapsMutex);

            DefaultMap = MapId;
        }
        
        if (MapId != -1) fireMidiInstrumentMapInfoChanged(MapId);
    }

    optional<MidiInstrumentMapper::entry_t> MidiInstrumentMapper::GetEntry(int Map, midi_prog_index_t Index) {
        optional<entry_t> result;
        LockGuard lock(midiMapsMutex);

        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;
            }
        }
        return result;
    }

} // namespace LinuxSampler
1	schoenebeck	947	/***************************************************************************
2			* *
3	persson	2427	* Copyright (C) 2006 - 2013 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	persson	2427	{
132			LockGuard lock(midiMapsMutex);
133			if (midiMaps.empty()) {
134			throw Exception("There is no MIDI instrument map, you have to add one first.");
135			}
136	schoenebeck	973	}
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	persson	2427	bool MapFound = false;
170			{
171			LockGuard lock(midiMapsMutex);
172			std::map<int,MidiInstrumentMap>::iterator iterMap = midiMaps.find(Map);
173			if (iterMap != midiMaps.end()) { // map found
174			MapFound = true;
175			Replaced = (iterMap->second.find(Index) != iterMap->second.end());
176			iterMap->second[Index] = privateEntry;
177			InstrCount = iterMap->second.size();
178			}
179			}
180			EngineFactory::Destroy(pEngine);
181			if (!MapFound) {
182	schoenebeck	973	throw Exception("There is no MIDI instrument map " + ToString(Map));
183			}
184	persson	2427
185	iliev	981	if (Replaced) {
186	iliev	1754	int Bank = (int(Index.midi_bank_msb) << 7) \| int(Index.midi_bank_lsb);
187	iliev	1130	fireMidiInstrumentInfoChanged(Map, Bank, Index.midi_prog);
188	iliev	981	} else {
189	iliev	1130	fireMidiInstrumentCountChanged(Map, InstrCount);
190	iliev	981	}
191	schoenebeck	947	}
192
193	iliev	1763	void MidiInstrumentMapper::SetLoadMode(entry_t* pEntry) {
194			Engine* pEngine = EngineFactory::Create(pEntry->EngineName);
195			if (!pEngine) { // invalid mapping
196			throw Exception("Invalid mapping");
197			}
198
199			InstrumentManager* pManager = pEngine->GetInstrumentManager();
200			if (pManager) { // engine provides an InstrumentManager
201			InstrumentManager::instrument_id_t id;
202			id.FileName = pEntry->InstrumentFile;
203			id.Index = pEntry->InstrumentIndex;
204			pEntry->LoadMode = static_cast<mode_t>(pManager->GetMode(id));
205			} else { // engine does not provide an InstrumentManager
206			// use default value
207			pEntry->LoadMode = ON_DEMAND;
208			}
209
210			EngineFactory::Destroy(pEngine);
211			}
212
213			MidiInstrumentMapper::entry_t MidiInstrumentMapper::GetEntry(int Map, uint MidiBank, uint MidiProg) {
214	persson	2427	LockGuard lock(midiMapsMutex);
215
216	iliev	1763	std::map<int,MidiInstrumentMap>::iterator iterMap = midiMaps.find(Map);
217			if (iterMap == midiMaps.end()) { // no such map
218			throw Exception("There is no MIDI instrument map " + ToString(Map));
219			}
220
221			midi_prog_index_t idx;
222			idx.midi_bank_msb = (MidiBank >> 7) & 0x7f;
223			idx.midi_bank_lsb = MidiBank & 0x7f;
224			idx.midi_prog = MidiProg;
225
226			std::map<midi_prog_index_t,private_entry_t>::iterator iterEntry = iterMap->second.find(idx);
227			if (iterEntry == iterMap->second.end()) {
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			throw e;
242			}
243
244			return entry;
245			}
246
247	schoenebeck	973	void MidiInstrumentMapper::RemoveEntry(int Map, midi_prog_index_t Index) {
248	iliev	981	int InstrCount = -1;
249	persson	2427	{
250			LockGuard lock(midiMapsMutex);
251	iliev	981
252	persson	2427	std::map<int,MidiInstrumentMap>::iterator iterMap = midiMaps.find(Map);
253			if (iterMap != midiMaps.end()) { // map found
254			iterMap->second.erase(Index); // remove entry
255			InstrCount = iterMap->second.size();
256			}
257	schoenebeck	973	}
258	iliev	981
259			if (InstrCount != -1) {
260	iliev	1130	fireMidiInstrumentCountChanged(Map, InstrCount);
261	iliev	981	}
262	schoenebeck	947	}
263
264	schoenebeck	973	void MidiInstrumentMapper::RemoveAllEntries(int Map) {
265	iliev	981	int InstrCount = -1;
266	persson	2427	{
267			LockGuard lock(midiMapsMutex);
268	iliev	981
269	persson	2427	std::map<int,MidiInstrumentMap>::iterator iterMap = midiMaps.find(Map);
270			if (iterMap != midiMaps.end()) { // map found
271			iterMap->second.clear(); // clear that map
272			InstrCount = 0;
273			}
274	schoenebeck	973	}
275	iliev	981
276			if (InstrCount != -1) {
277	iliev	1130	fireMidiInstrumentCountChanged(Map, InstrCount);
278	iliev	981	}
279	schoenebeck	947	}
280
281	schoenebeck	973	std::map<midi_prog_index_t,MidiInstrumentMapper::entry_t> MidiInstrumentMapper::Entries(int Map) throw (Exception) {
282	schoenebeck	947	std::map<midi_prog_index_t,entry_t> result;
283	schoenebeck	973
284	schoenebeck	947	// copy the internal map first
285			{
286	persson	2427	LockGuard lock(midiMapsMutex);
287
288			std::map<int,MidiInstrumentMap>::iterator iterMap = midiMaps.find(Map);
289			if (iterMap == midiMaps.end()) { // no such map
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			{
295			entry_t entry;
296			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			}
303	schoenebeck	947	}
304	schoenebeck	973
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	persson	2427	LockGuard lock(midiMapsMutex);
322	schoenebeck	973	for (std::map<int,MidiInstrumentMap>::iterator iterMap = midiMaps.begin();
323			iterMap != midiMaps.end(); iterMap++)
324			{
325			result.push_back(iterMap->first);
326			}
327			return result;
328			}
329
330	iliev	1135	int MidiInstrumentMapper::GetMapCount() {
331	persson	2427	LockGuard lock(midiMapsMutex);
332			return midiMaps.size();
333	iliev	1135	}
334
335	iliev	1763	int MidiInstrumentMapper::GetInstrumentCount(int Map) {
336	persson	2427	LockGuard lock(midiMapsMutex);
337	iliev	1763	std::map<int,MidiInstrumentMap>::iterator iterMap = midiMaps.find(Map);
338			if (iterMap == midiMaps.end()) { // no such map
339			throw Exception("There is no MIDI instrument map " + ToString(Map));
340			}
341
342	persson	2427	return iterMap->second.size();
343	iliev	1763	}
344
345			int MidiInstrumentMapper::GetInstrumentCount() {
346			int count = 0;
347
348	persson	2427	LockGuard lock(midiMapsMutex);
349	iliev	1763	std::map<int,MidiInstrumentMap>::iterator iterMap = midiMaps.begin();
350			for (;iterMap != midiMaps.end(); iterMap++) {
351			count += iterMap->second.size();
352			}
353
354			return count;
355			}
356
357	schoenebeck	973	int MidiInstrumentMapper::AddMap(String MapName) throw (Exception) {
358			int ID;
359	persson	2427	LockGuard lock(midiMapsMutex);
360
361	schoenebeck	973	if (midiMaps.empty()) ID = 0;
362			else {
363			// get the highest existing map ID
364			uint lastIndex = (--(midiMaps.end()))->first;
365			// check if we reached the index limit
366			if (lastIndex + 1 < lastIndex) {
367			// search for an unoccupied map ID starting from 0
368			for (uint i = 0; i < lastIndex; i++) {
369			if (midiMaps.find(i) != midiMaps.end()) continue;
370			// we found an unused ID, so insert the new map there
371			ID = i;
372			goto __create_map;
373			}
374			throw Exception("Internal error: could not find unoccupied MIDI instrument map ID.");
375			}
376	iliev	976	ID = lastIndex + 1;
377	schoenebeck	973	}
378			__create_map:
379			midiMaps[ID].name = MapName;
380	iliev	1135
381			fireMidiInstrumentMapCountChanged(Maps().size());
382			// If there were no maps until now we must set a default map.
383			if (midiMaps.size() == 1) SetDefaultMap(ID);
384
385	schoenebeck	973	return ID;
386			}
387
388			String MidiInstrumentMapper::MapName(int Map) throw (Exception) {
389	persson	2427	LockGuard lock(midiMapsMutex);
390	schoenebeck	973	std::map<int,MidiInstrumentMap>::iterator iterMap = midiMaps.find(Map);
391			if (iterMap == midiMaps.end()) {
392			throw Exception("There is no MIDI instrument map " + ToString(Map));
393			}
394	persson	2427	return iterMap->second.name;
395	schoenebeck	973	}
396
397			void MidiInstrumentMapper::RenameMap(int Map, String NewName) throw (Exception) {
398	persson	2427	{
399			LockGuard lock(midiMapsMutex);
400			std::map<int,MidiInstrumentMap>::iterator iterMap = midiMaps.find(Map);
401			if (iterMap == midiMaps.end()) {
402			throw Exception("There is no MIDI instrument map " + ToString(Map));
403			}
404			iterMap->second.name = NewName;
405	schoenebeck	973	}
406	iliev	1130	fireMidiInstrumentMapInfoChanged(Map);
407	schoenebeck	973	}
408
409			void MidiInstrumentMapper::RemoveMap(int Map) {
410	persson	2427	LockGuard lock(midiMapsMutex);
411
412	schoenebeck	973	midiMaps.erase(Map);
413	persson	2427	if (Map == GetDefaultMap()) {
414	iliev	1135	SetDefaultMap(midiMaps.empty() ? -1 : (*(midiMaps.begin())).first);
415			}
416			fireMidiInstrumentMapCountChanged(Maps().size());
417	schoenebeck	973	}
418
419			void MidiInstrumentMapper::RemoveAllMaps() {
420	persson	2427	LockGuard lock(midiMapsMutex);
421
422	schoenebeck	973	midiMaps.clear();
423	iliev	1135	SetDefaultMap(-1);
424			fireMidiInstrumentMapCountChanged(Maps().size());
425	schoenebeck	973	}
426
427	iliev	1135	int MidiInstrumentMapper::GetDefaultMap() {
428	persson	2427	LockGuard lock(midiMapsMutex);
429
430			return DefaultMap;
431	iliev	1135	}
432
433			void MidiInstrumentMapper::SetDefaultMap(int MapId) {
434	persson	2427	{
435			LockGuard lock(midiMapsMutex);
436
437			DefaultMap = MapId;
438			}
439	iliev	1135
440			if (MapId != -1) fireMidiInstrumentMapInfoChanged(MapId);
441			}
442
443	schoenebeck	973	optional<MidiInstrumentMapper::entry_t> MidiInstrumentMapper::GetEntry(int Map, midi_prog_index_t Index) {
444	schoenebeck	947	optional<entry_t> result;
445	persson	2427	LockGuard lock(midiMapsMutex);
446
447	schoenebeck	973	std::map<int,MidiInstrumentMap>::iterator iterMap = midiMaps.find(Map);
448			if (iterMap != midiMaps.end()) { // map found
449			std::map<midi_prog_index_t,private_entry_t>::iterator iterEntry = iterMap->second.find(Index);
450			if (iterEntry != iterMap->second.end()) {
451			entry_t entry;
452			entry.EngineName = iterEntry->second.EngineName;
453			entry.InstrumentFile = iterEntry->second.InstrumentFile;
454			entry.InstrumentIndex = iterEntry->second.InstrumentIndex;
455			entry.Volume = iterEntry->second.Volume;
456	persson	1924	//TODO: for now we skip the LoadMode and Name entry here, since we don't need it in the EngineChannel
457	schoenebeck	973	result = entry;
458			}
459	schoenebeck	947	}
460			return result;
461			}
462
463			} // namespace LinuxSampler