/[svn]/linuxsampler/trunk/src/network/lscpserver.h
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Contents of /linuxsampler/trunk/src/network/lscpserver.h

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Revision 1005 - (show annotations) (download) (as text)
Fri Dec 29 20:06:14 2006 UTC (17 years, 3 months ago) by schoenebeck
File MIME type: text/x-c++hdr
File size: 10983 byte(s)
* global volume can now be altered at runtime
  (added two new LSCP commands for this, LSCP specs updated)

1 /***************************************************************************
2 * *
3 * LinuxSampler - modular, streaming capable sampler *
4 * *
5 * Copyright (C) 2003, 2004 by Benno Senoner and Christian Schoenebeck *
6 * Copyright (C) 2005, 2006 Christian Schoenebeck *
7 * *
8 * 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 *
10 * the Free Software Foundation; either version 2 of the License, or *
11 * (at your option) any later version. *
12 * *
13 * This library is distributed in the hope that it will be useful, *
14 * but WITHOUT ANY WARRANTY; without even the implied warranty of *
15 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the *
16 * GNU General Public License for more details. *
17 * *
18 * You should have received a copy of the GNU General Public License *
19 * along with this library; if not, write to the Free Software *
20 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, *
21 * MA 02111-1307 USA *
22 ***************************************************************************/
23
24 #ifndef __LSCPSERVER_H_
25 #define __LSCPSERVER_H_
26
27 #include <unistd.h>
28 #include <sys/types.h>
29 #include <sys/socket.h>
30 #include <sys/select.h>
31 #include <sys/time.h>
32 #include <netinet/in.h>
33 #include <netinet/tcp.h>
34 #include <arpa/inet.h>
35 #include <netdb.h>
36
37 #include <list>
38
39 #include "lscp.h"
40 #include "lscpparser.h"
41 #include "lscp.h"
42 #include "lscpevent.h"
43 #include "../Sampler.h"
44 #include "../common/Thread.h"
45 #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.
51 #define LSCP_ADDR INADDR_ANY
52 #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;
58
59 // External references to the main scanner and parser functions
60 extern int yyparse(void* YYPARSE_PARAM);
61 extern void restart(yyparse_param_t* pparam, int& yychar);
62
63 /**
64 * Network server for the LinuxSampler Control Protocol (LSCP).
65 */
66 class LSCPServer : public Thread {
67 public:
68 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
73 String DestroyAudioOutputDevice(uint DeviceIndex);
74 String DestroyMidiInputDevice(uint DeviceIndex);
75 String LoadInstrument(String Filename, uint uiInstrument, uint uiSamplerChannel, bool bBackground = false);
76 String SetEngineType(String EngineName, uint uiSamplerChannel);
77 String GetChannels();
78 String ListChannels();
79 String AddChannel();
80 String RemoveChannel(uint uiSamplerChannel);
81 String GetAvailableEngines();
82 String ListAvailableEngines();
83 String GetEngineInfo(String EngineName);
84 String GetChannelInfo(uint uiSamplerChannel);
85 String GetVoiceCount(uint uiSamplerChannel);
86 String GetStreamCount(uint uiSamplerChannel);
87 String GetBufferFill(fill_response_t ResponseType, uint uiSamplerChannel);
88 String GetAvailableAudioOutputDrivers();
89 String ListAvailableAudioOutputDrivers();
90 String GetAvailableMidiInputDrivers();
91 String ListAvailableMidiInputDrivers();
92 String GetAudioOutputDriverInfo(String Driver);
93 String GetMidiInputDriverInfo(String Driver);
94 #ifdef __GNUC__
95 typedef std::map<String,String> StringMap; // nasty workaround for a GCC bug (see GCC bug #15980, #57)
96 String GetAudioOutputDriverParameterInfo(String Driver, String Parameter, std::map<String,String> DependencyList = StringMap());
97 String GetMidiInputDriverParameterInfo(String Driver, String Parameter, std::map<String,String> DependencyList = StringMap());
98 String CreateAudioOutputDevice(String Driver, std::map<String,String> Parameters = StringMap());
99 String CreateMidiInputDevice(String Driver, std::map<String,String> Parameters = StringMap());
100 #else
101 String GetAudioOutputDriverParameterInfo(String Driver, String Parameter, std::map<String,String> DependencyList = std::map<String,String>());
102 String GetMidiInputDriverParameterInfo(String Driver, String Parameter, std::map<String,String> DependencyList = std::map<String,String>());
103 String CreateAudioOutputDevice(String Driver, std::map<String,String> Parameters = std::map<String,String>());
104 String CreateMidiInputDevice(String Driver, std::map<String,String> Parameters = std::map<String,String>());
105 #endif // __GNUC__
106 String GetAudioOutputDeviceCount();
107 String GetMidiInputDeviceCount();
108 String GetAudioOutputDevices();
109 String GetMidiInputDevices();
110 String GetAudioOutputDeviceInfo(uint DeviceIndex);
111 String GetMidiInputDeviceInfo(uint DeviceIndex);
112 String GetMidiInputPortInfo(uint DeviceIndex, uint PortIndex);
113 String GetMidiInputPortParameterInfo(uint DeviceId, uint PortId, String ParameterName);
114 String GetAudioOutputChannelInfo(uint DeviceId, uint ChannelId);
115 String GetAudioOutputChannelParameterInfo(uint DeviceId, uint ChannelId, String ParameterName);
116 String SetAudioOutputChannelParameter(uint DeviceId, uint ChannelId, String ParamKey, String ParamVal);
117 String SetAudioOutputDeviceParameter(uint DeviceIndex, String ParamKey, String ParamVal);
118 String SetMidiInputDeviceParameter(uint DeviceIndex, String ParamKey, String ParamVal);
119 String SetMidiInputPortParameter(uint DeviceIndex, uint PortIndex, String ParamKey, String ParamVal);
120 String SetAudioOutputChannel(uint ChannelAudioOutputChannel, uint AudioOutputDeviceInputChannel, uint uiSamplerChannel);
121 String SetAudioOutputDevice(uint AudioDeviceId, uint SamplerChannel);
122 String SetAudioOutputType(String AudioOutputDriver, uint uiSamplerChannel);
123 String SetMIDIInputPort(uint MIDIPort, uint uiSamplerChannel);
124 String SetMIDIInputChannel(uint MIDIChannel, uint uiSamplerChannel);
125 String SetMIDIInputDevice(uint MIDIDeviceId, uint uiSamplerChannel);
126 String SetMIDIInputType(String MidiInputDriver, uint uiSamplerChannel);
127 String SetMIDIInput(uint MIDIDeviceId, uint MIDIPort, uint MIDIChannel, uint uiSamplerChannel);
128 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);
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 ResetChannel(uint uiSamplerChannel);
155 String ResetSampler();
156 String GetServerInfo();
157 String GetTotalVoiceCount();
158 String GetTotalVoiceCountMax();
159 String GetGlobalVolume();
160 String SetGlobalVolume(double dVolume);
161 String SubscribeNotification(LSCPEvent::event_t);
162 String UnsubscribeNotification(LSCPEvent::event_t);
163 String QueryDatabase(String query);
164 String SetEcho(yyparse_param_t* pSession, double boolean_value);
165 void AnswerClient(String ReturnMessage);
166
167 static int currentSocket;
168 static std::map<int,String> bufferedCommands;
169
170 static void SendLSCPNotify( LSCPEvent Event );
171 static int EventSubscribers( std::list<LSCPEvent::event_t> events );
172 static void LockRTNotify( void ) { RTNotifyMutex.Lock(); }
173 static void UnlockRTNotify( void ) { RTNotifyMutex.Unlock(); }
174
175 protected:
176 int hSocket;
177 sockaddr_in SocketAddress;
178 Sampler* pSampler;
179 Condition Initialized;
180
181 int Main(); ///< Implementation of virtual method from class Thread
182
183 private:
184
185 /**
186 * Find a created audio output device index.
187 */
188 int GetAudioOutputDeviceIndex (AudioOutputDevice *pDevice);
189
190 /**
191 * Find a created midi input device index.
192 */
193 int GetMidiInputDeviceIndex (MidiInputDevice *pDevice);
194
195 bool HasSoloChannel();
196 void MuteNonSoloChannels();
197 void UnmuteChannels();
198
199 static std::map<int,String> bufferedNotifies;
200 static Mutex NotifyMutex;
201 static Mutex NotifyBufferMutex;
202 static bool GetLSCPCommand( std::vector<yyparse_param_t>::iterator iter );
203 static void CloseConnection( std::vector<yyparse_param_t>::iterator iter );
204 static std::vector<yyparse_param_t> Sessions;
205 static Mutex SubscriptionMutex;
206 static std::map< LSCPEvent::event_t, std::list<int> > eventSubscriptions;
207 static fd_set fdSet;
208
209 //Protect main thread that generates real time notify messages
210 //like voice count, stream count and buffer fill
211 //from LSCP server removing engines and channels from underneath
212 static Mutex RTNotifyMutex;
213 };
214
215 #endif // __LSCPSERVER_H_

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