/[svn]/linuxsampler/trunk/src/network/lscpserver.h
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revision 211 by schoenebeck, Sun Jul 25 23:27:41 2004 UTC revision 1135 by iliev, Thu Mar 29 09:40:45 2007 UTC
# Line 3  Line 3 
3   *   LinuxSampler - modular, streaming capable sampler                     *   *   LinuxSampler - modular, streaming capable sampler                     *
4   *                                                                         *   *                                                                         *
5   *   Copyright (C) 2003, 2004 by Benno Senoner and Christian Schoenebeck   *   *   Copyright (C) 2003, 2004 by Benno Senoner and Christian Schoenebeck   *
6     *   Copyright (C) 2005 - 2007 Christian Schoenebeck                       *
7   *                                                                         *   *                                                                         *
8   *   This program is free software; you can redistribute it and/or modify  *   *   This library is free software; you can redistribute it and/or modify  *
9   *   it under the terms of the GNU General Public License as published by  *   *   it under the terms of the GNU General Public License as published by  *
10   *   the Free Software Foundation; either version 2 of the License, or     *   *   the Free Software Foundation; either version 2 of the License, or     *
11   *   (at your option) any later version.                                   *   *   (at your option) any later version.                                   *
12   *                                                                         *   *                                                                         *
13   *   This program is distributed in the hope that it will be useful,       *   *   This library is distributed in the hope that it will be useful,       *
14   *   but WITHOUT ANY WARRANTY; without even the implied warranty of        *   *   but WITHOUT ANY WARRANTY; without even the implied warranty of        *
15   *   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the         *   *   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the         *
16   *   GNU General Public License for more details.                          *   *   GNU General Public License for more details.                          *
17   *                                                                         *   *                                                                         *
18   *   You should have received a copy of the GNU General Public License     *   *   You should have received a copy of the GNU General Public License     *
19   *   along with this program; if not, write to the Free Software           *   *   along with this library; if not, write to the Free Software           *
20   *   Foundation, Inc., 59 Temple Place, Suite 330, Boston,                 *   *   Foundation, Inc., 59 Temple Place, Suite 330, Boston,                 *
21   *   MA  02111-1307  USA                                                   *   *   MA  02111-1307  USA                                                   *
22   ***************************************************************************/   ***************************************************************************/
# Line 44  Line 45 
45  #include "../common/Mutex.h"  #include "../common/Mutex.h"
46  #include "../common/Condition.h"  #include "../common/Condition.h"
47    
48    #include "../drivers/midi/MidiInstrumentMapper.h"
49    
50  /// TCP Port on which the server should listen for connection requests.  /// TCP Port on which the server should listen for connection requests.
51    #define LSCP_ADDR INADDR_ANY
52  #define LSCP_PORT 8888  #define LSCP_PORT 8888
53    
54    /// try up to 3 minutes to bind server socket
55    #define LSCP_SERVER_BIND_TIMEOUT 180
56    
57  using namespace LinuxSampler;  using namespace LinuxSampler;
58    
59  // External references to the main scanner and parser functions  // External references to the main scanner and parser functions
60  extern int yyparse(void* YYPARSE_PARAM);  extern int yyparse(void* YYPARSE_PARAM);
61  extern int yylex_init(yyscan_t* scanner);  extern void restart(yyparse_param_t* pparam, int& yychar);
 extern int yylex_destroy(yyscan_t yyscanner);  
62    
63  /**  /**
64   * Network server for the LinuxSampler Control Protocol (LSCP).   * Network server for the LinuxSampler Control Protocol (LSCP).
65   */   */
66  class LSCPServer : public Thread {  class LSCPServer : public Thread {
67      public:      public:
68          LSCPServer(Sampler* pSampler);          LSCPServer(Sampler* pSampler, long int addr, short int port);
69            virtual ~LSCPServer();
70          int WaitUntilInitialized(long TimeoutSeconds = 0L, long TimeoutNanoSeconds = 0L);          int WaitUntilInitialized(long TimeoutSeconds = 0L, long TimeoutNanoSeconds = 0L);
71    
72          // Methods called by the parser          // Methods called by the parser
73          String DestroyAudioOutputDevice(uint DeviceIndex);          String DestroyAudioOutputDevice(uint DeviceIndex);
74          String DestroyMidiInputDevice(uint DeviceIndex);          String DestroyMidiInputDevice(uint DeviceIndex);
75          String LoadInstrument(String Filename, uint uiInstrument, uint uiSamplerChannel, bool bBackground = false);          String LoadInstrument(String Filename, uint uiInstrument, uint uiSamplerChannel, bool bBackground = false);
76          String LoadEngine(String EngineName, uint uiSamplerChannel);          String SetEngineType(String EngineName, uint uiSamplerChannel);
77          String GetChannels();          String GetChannels();
78          String ListChannels();          String ListChannels();
79          String AddChannel();          String AddChannel();
80          String RemoveChannel(uint uiSamplerChannel);          String RemoveChannel(uint uiSamplerChannel);
81          String GetAvailableEngines();          String GetAvailableEngines();
82            String ListAvailableEngines();
83          String GetEngineInfo(String EngineName);          String GetEngineInfo(String EngineName);
84          String GetChannelInfo(uint uiSamplerChannel);          String GetChannelInfo(uint uiSamplerChannel);
85          String GetVoiceCount(uint uiSamplerChannel);          String GetVoiceCount(uint uiSamplerChannel);
86          String GetStreamCount(uint uiSamplerChannel);          String GetStreamCount(uint uiSamplerChannel);
87          String GetBufferFill(fill_response_t ResponseType, uint uiSamplerChannel);          String GetBufferFill(fill_response_t ResponseType, uint uiSamplerChannel);
88          String GetAvailableAudioOutputDrivers();          String GetAvailableAudioOutputDrivers();
89            String ListAvailableAudioOutputDrivers();
90          String GetAvailableMidiInputDrivers();          String GetAvailableMidiInputDrivers();
91            String ListAvailableMidiInputDrivers();
92          String GetAudioOutputDriverInfo(String Driver);          String GetAudioOutputDriverInfo(String Driver);
93          String GetMidiInputDriverInfo(String Driver);          String GetMidiInputDriverInfo(String Driver);
94  #ifdef __GNUC__  #ifdef __GNUC__
# Line 115  class LSCPServer : public Thread { Line 125  class LSCPServer : public Thread {
125          String SetMIDIInputDevice(uint MIDIDeviceId, uint uiSamplerChannel);          String SetMIDIInputDevice(uint MIDIDeviceId, uint uiSamplerChannel);
126          String SetMIDIInputType(String MidiInputDriver, uint uiSamplerChannel);          String SetMIDIInputType(String MidiInputDriver, uint uiSamplerChannel);
127          String SetMIDIInput(uint MIDIDeviceId, uint MIDIPort, uint MIDIChannel, uint uiSamplerChannel);          String SetMIDIInput(uint MIDIDeviceId, uint MIDIPort, uint MIDIChannel, uint uiSamplerChannel);
128          String SetVolume(double Volume, uint uiSamplerChannel);          String SetVolume(double dVolume, uint uiSamplerChannel);
129            String SetChannelMute(bool bMute, uint uiSamplerChannel);
130            String SetChannelSolo(bool bSolo, uint uiSamplerChannel);
131            String AddOrReplaceMIDIInstrumentMapping(uint MidiMapID, uint MidiBank, uint MidiProg, String EngineType, String InstrumentFile, uint InstrumentIndex, float Volume, MidiInstrumentMapper::mode_t LoadMode, String Name, bool bModal);
132            String RemoveMIDIInstrumentMapping(uint MidiMapID, uint MidiBank, uint MidiProg);
133            String GetMidiInstrumentMappings(uint MidiMapID);
134            String GetAllMidiInstrumentMappings();
135            String GetMidiInstrumentMapping(uint MidiMapID, uint MidiBank, uint MidiProg);
136            String ListMidiInstrumentMappings(uint MidiMapID);
137            String ListAllMidiInstrumentMappings();
138            String ClearMidiInstrumentMappings(uint MidiMapID);
139            String ClearAllMidiInstrumentMappings();
140            String AddMidiInstrumentMap(String MapName = "");
141            String RemoveMidiInstrumentMap(uint MidiMapID);
142            String RemoveAllMidiInstrumentMaps();
143            String GetMidiInstrumentMaps();
144            String ListMidiInstrumentMaps();
145            String GetMidiInstrumentMap(uint MidiMapID);
146            String SetMidiInstrumentMapName(uint MidiMapID, String NewName);
147            String SetChannelMap(uint uiSamplerChannel, int MidiMapID);
148            String CreateFxSend(uint uiSamplerChannel, uint MidiCtrl, String Name = "");
149            String DestroyFxSend(uint uiSamplerChannel, uint FxSendID);
150            String GetFxSends(uint uiSamplerChannel);
151            String ListFxSends(uint uiSamplerChannel);
152            String GetFxSendInfo(uint uiSamplerChannel, uint FxSendID);
153            String SetFxSendName(uint uiSamplerChannel, uint FxSendID, String Name);
154            String SetFxSendAudioOutputChannel(uint uiSamplerChannel, uint FxSendID, uint FxSendChannel, uint DeviceChannel);
155            String SetFxSendMidiController(uint uiSamplerChannel, uint FxSendID, uint MidiController);
156            String SetFxSendLevel(uint uiSamplerChannel, uint FxSendID, double dLevel);
157          String ResetChannel(uint uiSamplerChannel);          String ResetChannel(uint uiSamplerChannel);
158            String ResetSampler();
159            String GetServerInfo();
160            String GetTotalVoiceCount();
161            String GetTotalVoiceCountMax();
162            String GetGlobalVolume();
163            String SetGlobalVolume(double dVolume);
164          String SubscribeNotification(LSCPEvent::event_t);          String SubscribeNotification(LSCPEvent::event_t);
165          String UnsubscribeNotification(LSCPEvent::event_t);          String UnsubscribeNotification(LSCPEvent::event_t);
166            String QueryDatabase(String query);
167          String SetEcho(yyparse_param_t* pSession, double boolean_value);          String SetEcho(yyparse_param_t* pSession, double boolean_value);
168          void   AnswerClient(String ReturnMessage);          void   AnswerClient(String ReturnMessage);
169    
# Line 126  class LSCPServer : public Thread { Line 171  class LSCPServer : public Thread {
171          static std::map<int,String> bufferedCommands;          static std::map<int,String> bufferedCommands;
172    
173          static void SendLSCPNotify( LSCPEvent Event );          static void SendLSCPNotify( LSCPEvent Event );
174            static int EventSubscribers( std::list<LSCPEvent::event_t> events );
175            static void LockRTNotify( void ) { RTNotifyMutex.Lock(); }
176            static void UnlockRTNotify( void ) { RTNotifyMutex.Unlock(); }
177    
178      protected:      protected:
179          int            hSocket;          int            hSocket;
# Line 147  class LSCPServer : public Thread { Line 195  class LSCPServer : public Thread {
195           */           */
196          int GetMidiInputDeviceIndex (MidiInputDevice *pDevice);          int GetMidiInputDeviceIndex (MidiInputDevice *pDevice);
197    
198            EngineChannel* GetEngineChannel(uint uiSamplerChannel);
199    
200                    /**
201                     * Gets the specified effect send on the specified sampler channel.
202                     */
203                    FxSend* GetFxSend(uint uiSamplerChannel, uint FxSendID);
204    
205            bool HasSoloChannel();
206            void MuteNonSoloChannels();
207            void UnmuteChannels();
208    
209          static std::map<int,String> bufferedNotifies;          static std::map<int,String> bufferedNotifies;
210          static Mutex NotifyMutex;          static Mutex NotifyMutex;
211          static Mutex NotifyBufferMutex;          static Mutex NotifyBufferMutex;
# Line 156  class LSCPServer : public Thread { Line 215  class LSCPServer : public Thread {
215          static Mutex SubscriptionMutex;          static Mutex SubscriptionMutex;
216          static std::map< LSCPEvent::event_t, std::list<int> > eventSubscriptions;          static std::map< LSCPEvent::event_t, std::list<int> > eventSubscriptions;
217          static fd_set fdSet;          static fd_set fdSet;
 };  
   
 /**  
  * Instrument loader thread for the LinuxSampler Control Protocol (LSCP).  
  */  
 class LSCPLoadInstrument : public Thread {  
   
     public:  
         LSCPLoadInstrument(Engine* pEngine, String Filename, uint uiInstrument);  
   
     protected:  
         // Instance variables.  
         Engine* pEngine;  
         String  Filename;  
         uint    uiInstrument;  
218    
219          // Implementation of virtual method from class Thread.          //Protect main thread that generates real time notify messages
220          int Main();          //like voice count, stream count and buffer fill
221            //from LSCP server removing engines and channels from underneath
222            static Mutex RTNotifyMutex;
223    
224            class EventHandler : public ChannelCountListener, public AudioDeviceCountListener,
225                public MidiDeviceCountListener, public MidiInstrumentCountListener,
226                public MidiInstrumentInfoListener, public MidiInstrumentMapCountListener,
227                public MidiInstrumentMapInfoListener, public FxSendCountListener,
228                public VoiceCountListener, public StreamCountListener,
229                public BufferFillListener, public TotalVoiceCountListener {
230    
231                public:
232                    /**
233                     * Invoked when the number of sampler channels has changed.
234                     * @param NewCount The new number of sampler channels.
235                     */
236                    virtual void ChannelCountChanged(int NewCount);
237            
238                    /**
239                     * Invoked when the number of audio output devices has changed.
240                     * @param NewCount The new number of audio output devices.
241                     */
242                    virtual void AudioDeviceCountChanged(int NewCount);
243    
244                    /**
245                     * Invoked when the number of MIDI input devices has changed.
246                     * @param NewCount The new number of MIDI input devices.
247                     */
248                    virtual void MidiDeviceCountChanged(int NewCount);
249    
250                    /**
251                     * Invoked when the number of MIDI instruments has changed.
252                     * @param MapId The numerical ID of the MIDI instrument map.
253                     * @param NewCount The new number of MIDI instruments.
254                     */
255                    virtual void MidiInstrumentCountChanged(int MapId, int NewCount);
256    
257                    /**
258                     * Invoked when a MIDI instrument in a MIDI instrument map is changed.
259                     * @param MapId The numerical ID of the MIDI instrument map.
260                     * @param Bank The index of the MIDI bank, containing the instrument.
261                     * @param Program The MIDI program number of the instrument.
262                     */
263                    virtual void MidiInstrumentInfoChanged(int MapId, int Bank, int Program);
264        
265                    /**
266                     * Invoked when the number of MIDI instrument maps has changed.
267                     * @param NewCount The new number of MIDI instruments.
268                     */
269                    virtual void MidiInstrumentMapCountChanged(int NewCount);
270    
271                    /**
272                     * Invoked when the settings of a MIDI instrument map are changed.
273                     * @param MapId The numerical ID of the MIDI instrument map.
274                     */
275                    virtual void MidiInstrumentMapInfoChanged(int MapId);
276          
277                    /**
278                     * Invoked when the number of effect sends
279                     * on the specified sampler channel has changed.
280                     * @param ChannelId The numerical ID of the sampler channel.
281                     * @param NewCount The new number of effect sends.
282                     */
283                    virtual void FxSendCountChanged(int ChannelId, int NewCount);
284    
285                    /**
286                     * Invoked when the number of active voices
287                     * on the specified sampler channel has changed.
288                     * @param ChannelId The numerical ID of the sampler channel.
289                     * @param NewCount The new number of active voices.
290                     */
291                    virtual void VoiceCountChanged(int ChannelId, int NewCount);
292    
293                    /**
294                     * Invoked when the number of active disk streams
295                     * on the specified sampler channel has changed.
296                     * @param ChannelId The numerical ID of the sampler channel.
297                     * @param NewCount The new number of active disk streams.
298                     */
299                    virtual void StreamCountChanged(int ChannelId, int NewCount);
300    
301                    /**
302                     * Invoked when the fill state of the disk stream
303                     * buffers on the specified sampler channel is changed.
304                     * @param ChannelId The numerical ID of the sampler channel.
305                     * @param FillData The buffer fill data for the specified sampler channel.
306                     */
307                    virtual void BufferFillChanged(int ChannelId, String FillData);
308    
309                    /**
310                     * Invoked when the total number of active voices is changed.
311                     * @param NewCount The new number of active voices.
312                     */
313                    virtual void TotalVoiceCountChanged(int NewCount);
314            } eventHandler;
315  };  };
316    
317  #endif // __LSCPSERVER_H_  #endif // __LSCPSERVER_H_
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