/[svn]/linuxsampler/trunk/src/network/lscpserver.h
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revision 170 by senkov, Sat Jul 3 20:08:07 2004 UTC revision 1130 by iliev, Sun Mar 25 18:59:14 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 42  Line 43 
43  #include "../Sampler.h"  #include "../Sampler.h"
44  #include "../common/Thread.h"  #include "../common/Thread.h"
45  #include "../common/Mutex.h"  #include "../common/Mutex.h"
46    #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);
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();
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 97  class LSCPServer : public Thread { Line 110  class LSCPServer : public Thread {
110          String GetAudioOutputDeviceInfo(uint DeviceIndex);          String GetAudioOutputDeviceInfo(uint DeviceIndex);
111          String GetMidiInputDeviceInfo(uint DeviceIndex);          String GetMidiInputDeviceInfo(uint DeviceIndex);
112          String GetMidiInputPortInfo(uint DeviceIndex, uint PortIndex);          String GetMidiInputPortInfo(uint DeviceIndex, uint PortIndex);
113            String GetMidiInputPortParameterInfo(uint DeviceId, uint PortId, String ParameterName);
114          String GetAudioOutputChannelInfo(uint DeviceId, uint ChannelId);          String GetAudioOutputChannelInfo(uint DeviceId, uint ChannelId);
115          String GetAudioOutputChannelParameterInfo(uint DeviceId, uint ChannelId, String ParameterName);          String GetAudioOutputChannelParameterInfo(uint DeviceId, uint ChannelId, String ParameterName);
116          String SetAudioOutputChannelParameter(uint DeviceId, uint ChannelId, String ParamKey, String ParamVal);          String SetAudioOutputChannelParameter(uint DeviceId, uint ChannelId, String ParamKey, String ParamVal);
# Line 111  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 SetFxSendAudioOutputChannel(uint uiSamplerChannel, uint FxSendID, uint FxSendChannel, uint DeviceChannel);
154            String SetFxSendMidiController(uint uiSamplerChannel, uint FxSendID, uint MidiController);
155            String SetFxSendLevel(uint uiSamplerChannel, uint FxSendID, double dLevel);
156          String ResetChannel(uint uiSamplerChannel);          String ResetChannel(uint uiSamplerChannel);
157            String ResetSampler();
158            String GetServerInfo();
159            String GetTotalVoiceCount();
160            String GetTotalVoiceCountMax();
161            String GetGlobalVolume();
162            String SetGlobalVolume(double dVolume);
163          String SubscribeNotification(LSCPEvent::event_t);          String SubscribeNotification(LSCPEvent::event_t);
164          String UnsubscribeNotification(LSCPEvent::event_t);          String UnsubscribeNotification(LSCPEvent::event_t);
165            String QueryDatabase(String query);
166            String SetEcho(yyparse_param_t* pSession, double boolean_value);
167          void   AnswerClient(String ReturnMessage);          void   AnswerClient(String ReturnMessage);
168    
169          static int currentSocket;          static int currentSocket;
170          static std::map<int,String> bufferedCommands;          static std::map<int,String> bufferedCommands;
171    
172            static void SendLSCPNotify( LSCPEvent Event );
173            static int EventSubscribers( std::list<LSCPEvent::event_t> events );
174            static void LockRTNotify( void ) { RTNotifyMutex.Lock(); }
175            static void UnlockRTNotify( void ) { RTNotifyMutex.Unlock(); }
176    
177      protected:      protected:
178          int            hSocket;          int            hSocket;
179          sockaddr_in    SocketAddress;          sockaddr_in    SocketAddress;
180          Sampler*       pSampler;          Sampler*       pSampler;
181            Condition      Initialized;
182    
183          int Main(); ///< Implementation of virtual method from class Thread          int Main(); ///< Implementation of virtual method from class Thread
184    
         static void SendLSCPNotify( LSCPEvent Event );  
   
185      private:      private:
186            
187          /**          /**
188           * Find a created audio output device index.           * Find a created audio output device index.
189           */           */
190          int GetAudioOutputDeviceIndex (AudioOutputDevice *pDevice);          int GetAudioOutputDeviceIndex (AudioOutputDevice *pDevice);
191            
192          /**          /**
193           * Find a created midi input device index.           * Find a created midi input device index.
194           */           */
195          int GetMidiInputDeviceIndex (MidiInputDevice *pDevice);          int GetMidiInputDeviceIndex (MidiInputDevice *pDevice);
196    
197            bool HasSoloChannel();
198            void MuteNonSoloChannels();
199            void UnmuteChannels();
200    
201          static std::map<int,String> bufferedNotifies;          static std::map<int,String> bufferedNotifies;
202          static Mutex NotifyMutex;          static Mutex NotifyMutex;
203          static Mutex NotifyBufferMutex;          static Mutex NotifyBufferMutex;
204          static bool GetLSCPCommand( std::vector<int>::iterator iter );          static bool GetLSCPCommand( std::vector<yyparse_param_t>::iterator iter );
205          static void CloseConnection( std::vector<int>::iterator iter );          static void CloseConnection( std::vector<yyparse_param_t>::iterator iter );
206          static std::vector<int> hSessions;          static std::vector<yyparse_param_t> Sessions;
207          static Mutex SubscriptionMutex;          static Mutex SubscriptionMutex;
208          static std::map< LSCPEvent::event_t, std::list<int> > eventSubscriptions;          static std::map< LSCPEvent::event_t, std::list<int> > eventSubscriptions;
209          static fd_set fdSet;          static fd_set fdSet;
 };  
210    
211  /**          //Protect main thread that generates real time notify messages
212   * Instrument loader thread for the LinuxSampler Control Protocol (LSCP).          //like voice count, stream count and buffer fill
213   */          //from LSCP server removing engines and channels from underneath
214  class LSCPLoadInstrument : public Thread {          static Mutex RTNotifyMutex;
215    
216      public:          class LscpChannelCountListener : public ChannelCountListener {
217          LSCPLoadInstrument(Engine* pEngine, String Filename, uint uiInstrument);               public:
218                    /**
219      protected:                   * Invoked when the number of sampler channels has changed.
220          // Instance variables.                   * @param NewCount The new number of sampler channels.
221          Engine* pEngine;                   */
222          String  Filename;                  virtual void ChannelCountChanged(int NewCount);
223          uint    uiInstrument;          } channelCountListener;
224            
225          // Implementation of virtual method from class Thread.          class LscpAudioDeviceCountListener : public AudioDeviceCountListener {
226          int Main();              public:
227                    /**
228                     * Invoked when the number of audio output devices has changed.
229                     * @param NewCount The new number of audio output devices.
230                     */
231                    virtual void AudioDeviceCountChanged(int NewCount);
232            } audioDeviceCountListener;
233    
234            class LscpMidiDeviceCountListener : public MidiDeviceCountListener {
235                public:
236                    /**
237                     * Invoked when the number of MIDI input devices has changed.
238                     * @param NewCount The new number of MIDI input devices.
239                     */
240                    virtual void MidiDeviceCountChanged(int NewCount);
241            } midiDeviceCountListener;
242            
243            class LscpMidiInstrumentCountListener : public MidiInstrumentCountListener {
244                public:
245                    /**
246                     * Invoked when the number of MIDI instruments has changed.
247                     * @param MapId The numerical ID of the MIDI instrument map.
248                     * @param NewCount The new number of MIDI instruments.
249                     */
250                    virtual void MidiInstrumentCountChanged(int MapId, int NewCount);
251            } midiInstrumentCountListener;
252    
253            class LscpMidiInstrumentInfoListener : public MidiInstrumentInfoListener {
254                public:
255                    /**
256                     * Invoked when a MIDI instrument in a MIDI instrument map is changed.
257                     * @param MapId The numerical ID of the MIDI instrument map.
258                     * @param Bank The index of the MIDI bank, containing the instrument.
259                     * @param Program The MIDI program number of the instrument.
260                     */
261                    virtual void MidiInstrumentInfoChanged(int MapId, int Bank, int Program);
262            } midiInstrumentInfoListener;
263            
264            class LscpMidiInstrumentMapCountListener : public MidiInstrumentMapCountListener {
265                public:
266                   /**
267                     * Invoked when the number of MIDI instrument maps has changed.
268                     * @param NewCount The new number of MIDI instruments.
269                     */
270                    virtual void MidiInstrumentMapCountChanged(int NewCount);
271            } midiInstrumentMapCountListener;
272    
273            class LscpMidiInstrumentMapInfoListener : public MidiInstrumentMapInfoListener {
274                public:
275                    /**
276                     * Invoked when the settings of a MIDI instrument map are changed.
277                     * @param MapId The numerical ID of the MIDI instrument map.
278                     */
279                    virtual void MidiInstrumentMapInfoChanged(int MapId);
280            } midiInstrumentMapInfoListener;
281            
282            class LscpFxSendCountListener : public FxSendCountListener {
283                public:
284                    /**
285                     * Invoked when the number of effect sends
286                     * on the specified sampler channel has changed.
287                     * @param ChannelId The numerical ID of the sampler channel.
288                     * @param NewCount The new number of effect sends.
289                     */
290                    virtual void FxSendCountChanged(int ChannelId, int NewCount);
291            } fxSendCountListener;
292            
293            class LscpVoiceCountListener : public VoiceCountListener {
294                public:
295                    /**
296                     * Invoked when the number of active voices
297                     * on the specified sampler channel has changed.
298                     * @param ChannelId The numerical ID of the sampler channel.
299                     * @param NewCount The new number of active voices.
300                     */
301                    virtual void VoiceCountChanged(int ChannelId, int NewCount);
302            } voiceCountListener;
303    
304            class LscpStreamCountListener : public StreamCountListener {
305                public:
306                    /**
307                     * Invoked when the number of active disk streams
308                     * on the specified sampler channel has changed.
309                     * @param ChannelId The numerical ID of the sampler channel.
310                     * @param NewCount The new number of active disk streams.
311                     */
312                    virtual void StreamCountChanged(int ChannelId, int NewCount);
313            } streamCountListener;
314    
315            class LscpBufferFillListener : public BufferFillListener {
316                public:
317                    /**
318                     * Invoked when the fill state of the disk stream
319                     * buffers on the specified sampler channel is changed.
320                     * @param ChannelId The numerical ID of the sampler channel.
321                     * @param FillData The buffer fill data for the specified sampler channel.
322                     */
323                    virtual void BufferFillChanged(int ChannelId, String FillData);
324            } bufferFillListener;
325    
326            class LscpTotalVoiceCountListener : public TotalVoiceCountListener {
327                public:
328                    /**
329                     * Invoked when the total number of active voices is changed.
330                     * @param NewCount The new number of active voices.
331                     */
332                    virtual void TotalVoiceCountChanged(int NewCount);
333            } totalVoiceCountListener;
334  };  };
335    
336  #endif // __LSCPSERVER_H_  #endif // __LSCPSERVER_H_
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