/[svn]/linuxsampler/trunk/src/linuxsampler.cpp
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Diff of /linuxsampler/trunk/src/linuxsampler.cpp

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revision 1012 by capela, Sun Jan 7 15:52:36 2007 UTC revision 1765 by persson, Sat Sep 6 16:44:42 2008 UTC
# Line 2  Line 2 
2   *                                                                         *   *                                                                         *
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                        *   *   Copyright (C) 2005-2008 Christian Schoenebeck                         *
7   *                                                                         *   *                                                                         *
8   *   This program is free software; you can redistribute it and/or modify  *   *   This program 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  *
# Line 24  Line 24 
24  #include <getopt.h>  #include <getopt.h>
25  #include <signal.h>  #include <signal.h>
26    
27    #if defined(WIN32)
28    // require at least Windows 2000 for the GlobalMemoryStatusEx() call
29    #define _WIN32_WINNT 0x0500
30    #endif
31    
32  #include "Sampler.h"  #include "Sampler.h"
33    #include "common/global_private.h"
34  #include "engines/EngineFactory.h"  #include "engines/EngineFactory.h"
35    #include "plugins/InstrumentEditorFactory.h"
36  #include "drivers/midi/MidiInputDeviceFactory.h"  #include "drivers/midi/MidiInputDeviceFactory.h"
37  #include "drivers/audio/AudioOutputDeviceFactory.h"  #include "drivers/audio/AudioOutputDeviceFactory.h"
38  #include "engines/gig/Profiler.h"  #include "engines/gig/Profiler.h"
39  #include "network/lscpserver.h"  #include "network/lscpserver.h"
40  #include "common/stacktrace.h"  #include "common/stacktrace.h"
41  #include "common/Features.h"  #include "common/Features.h"
42    #include "common/atomic.h"
43    
44  using namespace LinuxSampler;  using namespace LinuxSampler;
45    
46  Sampler*    pSampler    = NULL;  Sampler*    pSampler    = NULL;
47  LSCPServer* pLSCPServer = NULL;  LSCPServer* pLSCPServer = NULL;
48  pthread_t   main_thread;  #if defined(WIN32)
49    // inet_aton seems missing under WIN32
50    #ifndef INADDR_NONE
51    #define INADDR_NONE 0xffffffff
52    #endif
53    
54    int inet_aton(const char *cp, struct in_addr *addr)
55    {
56        addr->s_addr = inet_addr(cp);
57        return (addr->s_addr == INADDR_NONE) ? 0 : 1;
58    }
59    
60    #else
61  pid_t       main_pid;  pid_t       main_pid;
62    #endif
63  bool bPrintStatistics = false;  bool bPrintStatistics = false;
64  bool profile = false;  bool profile = false;
65  bool tune = true;  bool tune = true;
# Line 48  unsigned short int lscp_port; Line 69  unsigned short int lscp_port;
69  void parse_options(int argc, char **argv);  void parse_options(int argc, char **argv);
70  void signal_handler(int signal);  void signal_handler(int signal);
71  void kill_app();  void kill_app();
72    static atomic_t running = ATOMIC_INIT(1);
73    
74  int main(int argc, char **argv) {  int main(int argc, char **argv) {
75    
76      // initialize the stack trace mechanism with our binary file      // initialize the stack trace mechanism with our binary file
77      StackTraceInit(argv[0], -1);      StackTraceInit(argv[0], -1);
78    
79        #if defined(WIN32)
80        // some WIN32 memory info code which tries to determine the maximum lockable amount of memory (for debug purposes)
81        SYSTEM_INFO siSysInfo;
82        long physical_memory;
83        GetSystemInfo(&siSysInfo);
84        dmsg(1,("page size=%d\n", siSysInfo.dwPageSize));
85    
86        MEMORYSTATUSEX statex;
87            statex.dwLength = sizeof (statex);
88        GlobalMemoryStatusEx (&statex);
89        dmsg(1, ("There are %*I64d total Kbytes of physical memory.\n",
90              8, statex.ullTotalPhys));
91        dmsg(1, ("There are %*I64d free Kbytes of physical memory.\n",
92              8, statex.ullAvailPhys));
93        physical_memory = statex.ullTotalPhys;
94    
95        HANDLE hProcess = GetCurrentProcess();
96    
97        unsigned long MinimumWorkingSetSize, MaximumWorkingSetSize;
98        unsigned long DefaultMinimumWorkingSetSize, DefaultMaximumWorkingSetSize;
99        unsigned long RequestedMinimumWorkingSetSize, RequestedMaximumWorkingSetSize;
100        int res;
101    
102        res = GetProcessWorkingSetSize(hProcess, &DefaultMinimumWorkingSetSize, &DefaultMaximumWorkingSetSize);
103    
104        RequestedMaximumWorkingSetSize = physical_memory - 2*1024*1024;
105        RequestedMinimumWorkingSetSize = RequestedMaximumWorkingSetSize;
106    
107        for(;;) {
108            dmsg(2,("TRYING VALUES  RequestedMinimumWorkingSetSize=%d, RequestedMaximumWorkingSetSize=%d\n", RequestedMinimumWorkingSetSize, RequestedMaximumWorkingSetSize));
109            res = SetProcessWorkingSetSize(hProcess, RequestedMinimumWorkingSetSize, RequestedMaximumWorkingSetSize);
110            dmsg(2,("AFTER SET: res = %d  RequestedMinimumWorkingSetSize=%d, RequestedMaximumWorkingSetSize=%d\n", res,RequestedMinimumWorkingSetSize, RequestedMaximumWorkingSetSize));
111    
112            res = GetProcessWorkingSetSize(hProcess, &MinimumWorkingSetSize, &MaximumWorkingSetSize);
113            dmsg(2,("AFTER GET: res = %d  MinimumWorkingSetSize=%d, MaximumWorkingSetSize=%d\n", res,MinimumWorkingSetSize, MaximumWorkingSetSize));
114    
115            if( RequestedMinimumWorkingSetSize == MinimumWorkingSetSize ) {
116                dmsg(2,("RequestedMinimumWorkingSetSize == MinimumWorkingSetSize. OK !\n"));
117                break;
118            }
119    
120            RequestedMinimumWorkingSetSize -=  10*1024*1024;
121            if(RequestedMinimumWorkingSetSize < DefaultMinimumWorkingSetSize) break;
122        }
123    
124        dmsg(1,("AFTER GetProcessWorkingSetSize: res = %d  MinimumWorkingSetSize=%d, MaximumWorkingSetSize=%d\n", res,MinimumWorkingSetSize, MaximumWorkingSetSize));
125        #endif
126    
127        #if !defined(WIN32)
128      main_pid = getpid();      main_pid = getpid();
129      main_thread = pthread_self();      #endif
130    
131      // setting signal handler for catching SIGINT (thus e.g. <CTRL><C>)      // setting signal handler for catching SIGINT (thus e.g. <CTRL><C>)
132      signal(SIGINT, signal_handler);      signal(SIGINT, signal_handler);
133    
134        #if defined(WIN32)
135        // FIXME: sigaction() not supported on WIN32, we ignore it for now
136        #else
137      // register signal handler for all unusual signals      // register signal handler for all unusual signals
138      // (we will print the stack trace and exit)      // (we will print the stack trace and exit)
139      struct sigaction sact;      struct sigaction sact;
# Line 72  int main(int argc, char **argv) { Line 146  int main(int argc, char **argv) {
146      sigaction(SIGFPE,  &sact, NULL);      sigaction(SIGFPE,  &sact, NULL);
147      sigaction(SIGUSR1, &sact, NULL);      sigaction(SIGUSR1, &sact, NULL);
148      sigaction(SIGUSR2, &sact, NULL);      sigaction(SIGUSR2, &sact, NULL);
149        #endif
150    
151      lscp_addr = htonl(LSCP_ADDR);      lscp_addr = htonl(LSCP_ADDR);
152      lscp_port = htons(LSCP_PORT);      lscp_port = htons(LSCP_PORT);
# Line 81  int main(int argc, char **argv) { Line 156  int main(int argc, char **argv) {
156    
157      dmsg(1,("LinuxSampler %s\n", VERSION));      dmsg(1,("LinuxSampler %s\n", VERSION));
158      dmsg(1,("Copyright (C) 2003,2004 by Benno Senoner and Christian Schoenebeck\n"));      dmsg(1,("Copyright (C) 2003,2004 by Benno Senoner and Christian Schoenebeck\n"));
159      dmsg(1,("Copyright (C) 2005-2007 Christian Schoenebeck\n"));      dmsg(1,("Copyright (C) 2005-2008 Christian Schoenebeck\n"));
160    
161      if (tune) {      if (tune) {
162          // detect and print system / CPU specific features          // detect and print system / CPU specific features
# Line 99  int main(int argc, char **argv) { Line 174  int main(int argc, char **argv) {
174      dmsg(1,("Registered sampler engines: %s\n", EngineFactory::AvailableEngineTypesAsString().c_str()));      dmsg(1,("Registered sampler engines: %s\n", EngineFactory::AvailableEngineTypesAsString().c_str()));
175      dmsg(1,("Registered MIDI input drivers: %s\n", MidiInputDeviceFactory::AvailableDriversAsString().c_str()));      dmsg(1,("Registered MIDI input drivers: %s\n", MidiInputDeviceFactory::AvailableDriversAsString().c_str()));
176      dmsg(1,("Registered audio output drivers: %s\n", AudioOutputDeviceFactory::AvailableDriversAsString().c_str()));      dmsg(1,("Registered audio output drivers: %s\n", AudioOutputDeviceFactory::AvailableDriversAsString().c_str()));
177        dmsg(1,("Registered instrument editors: %s\n", InstrumentEditorFactory::AvailableEditorsAsString().c_str()));
178    
179      // start LSCP network server      // start LSCP network server
180      struct in_addr addr;      struct in_addr addr;
# Line 112  int main(int argc, char **argv) { Line 188  int main(int argc, char **argv) {
188      if (profile)      if (profile)
189      {      {
190          dmsg(1,("Calibrating profiler..."));          dmsg(1,("Calibrating profiler..."));
191          gig::Profiler::Calibrate();          LinuxSampler::gig::Profiler::Calibrate();
192          gig::Profiler::Reset();          LinuxSampler::gig::Profiler::Reset();
193          gig::Profiler::enable();          LinuxSampler::gig::Profiler::enable();
194          dmsg(1,("OK\n"));          dmsg(1,("OK\n"));
195      }      }
196    
197      printf("LinuxSampler initialization completed. :-)\n\n");      printf("LinuxSampler initialization completed. :-)\n\n");
198    
199      std::list<LSCPEvent::event_t> rtEvents;      while (atomic_read(&running)) {
     rtEvents.push_back(LSCPEvent::event_voice_count);  
     rtEvents.push_back(LSCPEvent::event_stream_count);  
     rtEvents.push_back(LSCPEvent::event_buffer_fill);  
     rtEvents.push_back(LSCPEvent::event_total_voice_count);  
   
     while (true) {  
200          if (bPrintStatistics) {          if (bPrintStatistics) {
201              const std::set<Engine*>& engines = EngineFactory::EngineInstances();              const std::set<Engine*>& engines = EngineFactory::EngineInstances();
202              std::set<Engine*>::iterator itEngine = engines.begin();              std::set<Engine*>::iterator itEngine = engines.begin();
# Line 140  int main(int argc, char **argv) { Line 210  int main(int argc, char **argv) {
210              }              }
211          }          }
212    
213        sleep(1);          sleep(1);
214        if (profile)          if (profile)
215        {          {
216            unsigned int samplingFreq = 48000; //FIXME: hardcoded for now              unsigned int samplingFreq = 48000; //FIXME: hardcoded for now
217            unsigned int bv = gig::Profiler::GetBogoVoices(samplingFreq);              unsigned int bv = LinuxSampler::gig::Profiler::GetBogoVoices(samplingFreq);
218            if (bv != 0)              if (bv != 0)
219            {              {
220                printf("       BogoVoices: %i         \r", bv);                  printf("       BogoVoices: %i         \r", bv);
221                fflush(stdout);                  fflush(stdout);
222            }              }
223        }          }
   
       if (LSCPServer::EventSubscribers(rtEvents))  
       {  
           LSCPServer::LockRTNotify();  
           std::map<uint,SamplerChannel*> channels = pSampler->GetSamplerChannels();  
           std::map<uint,SamplerChannel*>::iterator iter = channels.begin();  
           for (; iter != channels.end(); iter++) {  
               SamplerChannel* pSamplerChannel = iter->second;  
               EngineChannel* pEngineChannel = pSamplerChannel->GetEngineChannel();  
               if (!pEngineChannel) continue;  
               Engine* pEngine = pEngineChannel->GetEngine();  
               if (!pEngine) continue;  
               LSCPServer::SendLSCPNotify(LSCPEvent(LSCPEvent::event_voice_count, iter->first, pEngine->VoiceCount()));  
               LSCPServer::SendLSCPNotify(LSCPEvent(LSCPEvent::event_stream_count, iter->first, pEngine->DiskStreamCount()));  
               LSCPServer::SendLSCPNotify(LSCPEvent(LSCPEvent::event_buffer_fill, iter->first, pEngine->DiskStreamBufferFillPercentage()));  
               LSCPServer::SendLSCPNotify(LSCPEvent(LSCPEvent::event_total_voice_count, pSampler->GetVoiceCount()));  
           }  
           LSCPServer::UnlockRTNotify();  
       }  
224    
225            pSampler->fireStatistics();
226      }      }
227        if (pLSCPServer) pLSCPServer->StopThread();
228        // the delete order here is important: the Sampler
229        // destructor sends notifications to the lscpserver
230        if (pSampler) delete pSampler;
231        if (pLSCPServer) delete pLSCPServer;
232        printf("LinuxSampler stopped due to SIGINT.\n");
233      return EXIT_SUCCESS;      return EXIT_SUCCESS;
234  }  }
235    
236  void signal_handler(int iSignal) {  void signal_handler(int iSignal) {
237      switch (iSignal) {      switch (iSignal) {
238          case SIGINT: {          case SIGINT:
239              if (pthread_equal(pthread_self(), main_thread)) {              atomic_set(&running, 0);
                 if (pLSCPServer) {  
                     pLSCPServer->StopThread();  
                     delete pLSCPServer;  
                 }  
                 if (pSampler) delete pSampler;  
                 printf("LinuxSampler stopped due to SIGINT.\n");  
                 exit(EXIT_SUCCESS);  
             }  
240              return;              return;
241          }          #if defined(WIN32)
242            // FIXME: under WIN32 we ignore the signals below due to the missing sigaction call
243            #else
244          case SIGSEGV:          case SIGSEGV:
245              std::cerr << ">>> FATAL ERROR: Segmentation fault (SIGSEGV) occured! <<<\n" << std::flush;              std::cerr << ">>> FATAL ERROR: Segmentation fault (SIGSEGV) occured! <<<\n" << std::flush;
246              break;              break;
# Line 208  void signal_handler(int iSignal) { Line 259  void signal_handler(int iSignal) {
259          case SIGUSR2:          case SIGUSR2:
260              std::cerr << ">>> User defined signal 2 (SIGUSR2) received <<<\n" << std::flush;              std::cerr << ">>> User defined signal 2 (SIGUSR2) received <<<\n" << std::flush;
261              break;              break;
262            #endif
263          default: { // this should never happen, as we register for the signals we want          default: { // this should never happen, as we register for the signals we want
264              std::cerr << ">>> FATAL ERROR: Unknown signal received! <<<\n" << std::flush;              std::cerr << ">>> FATAL ERROR: Unknown signal received! <<<\n" << std::flush;
265              break;              break;
# Line 222  void signal_handler(int iSignal) { Line 274  void signal_handler(int iSignal) {
274  }  }
275    
276  void kill_app() {  void kill_app() {
277        #if defined(WIN32)
278        // FIXME: do we need to do anything at this point under WIN32 ?  is exit(0) ok ?
279        exit(0);
280        #else
281      kill(main_pid, SIGKILL);      kill(main_pid, SIGKILL);
282        #endif
283  }  }
284    
285  void parse_options(int argc, char **argv) {  void parse_options(int argc, char **argv) {
# Line 235  void parse_options(int argc, char **argv Line 292  void parse_options(int argc, char **argv
292              {"profile",0,0,0},              {"profile",0,0,0},
293              {"no-tune",0,0,0},              {"no-tune",0,0,0},
294              {"statistics",0,0,0},              {"statistics",0,0,0},
295                {"instruments-db-location",1,0,0},
296                {"create-instruments-db",1,0,0},
297              {"lscp-addr",1,0,0},              {"lscp-addr",1,0,0},
298              {"lscp-port",1,0,0},              {"lscp-port",1,0,0},
299              {0,0,0,0}              {0,0,0,0}
# Line 251  void parse_options(int argc, char **argv Line 310  void parse_options(int argc, char **argv
310              switch(option_index) {              switch(option_index) {
311                  case 0: // --help                  case 0: // --help
312                      printf("usage: linuxsampler [OPTIONS]\n\n");                      printf("usage: linuxsampler [OPTIONS]\n\n");
313                      printf("--help             prints this message\n");                      printf("--help                      prints this message\n");
314                      printf("--version          prints version information\n");                      printf("--version                   prints version information\n");
315                      printf("--profile          profile synthesis algorithms\n");                      printf("--profile                   profile synthesis algorithms\n");
316                      printf("--no-tune          disable assembly optimization\n");                      printf("--no-tune                   disable assembly optimization\n");
317                      printf("--statistics       periodically prints statistics\n");                      printf("--statistics                periodically prints statistics\n");
318                      printf("--lscp-addr        set LSCP address (default: any)\n");                      printf("--lscp-addr                 set LSCP address (default: any)\n");
319                      printf("--lscp-port        set LSCP port (default: 8888)\n");                      printf("--lscp-port                 set LSCP port (default: 8888)\n");
320                        printf("--create-instruments-db     creates an instruments DB\n");
321                        printf("--instruments-db-location   specifies the instruments DB file\n");
322                      exit(EXIT_SUCCESS);                      exit(EXIT_SUCCESS);
323                      break;                      break;
324                  case 1: // --version                  case 1: // --version
# Line 273  void parse_options(int argc, char **argv Line 334  void parse_options(int argc, char **argv
334                  case 4: // --statistics                  case 4: // --statistics
335                      bPrintStatistics = true;                      bPrintStatistics = true;
336                      break;                      break;
337                  case 5: // --lscp-addr                  case 5: // --instruments-db-location
338                      struct in_addr addr;  #if HAVE_SQLITE3
339                      if (inet_aton(optarg, &addr) == 0)                      try {
340                              printf("WARNING: Failed to parse lscp-addr argument, ignoring!\n");                          if (optarg) {
341                      else                              struct stat statBuf;
342                              lscp_addr = addr.s_addr;                              int res = stat(optarg, &statBuf);
343    
344                                if (res) {
345                                    std::stringstream ss;
346                                    ss << "Failed to stat `" << optarg << "`: " << strerror(errno);
347                                    throw Exception(ss.str());
348                                }
349    
350                                if (!S_ISREG(statBuf.st_mode)) {
351                                    std::stringstream ss;
352                                    ss << "`" << optarg << "` is not a regular file";
353                                    throw Exception(ss.str());
354                                }
355    
356                                InstrumentsDb::GetInstrumentsDb()->SetDbFile(String(optarg));
357                            }
358                        } catch(Exception e) {
359                            std::cerr << "Could not open instruments DB file: "
360                                      << e.Message() << std::endl;
361                            exit(EXIT_FAILURE);
362                        }
363                        break;
364    #else
365                        std::cerr << "LinuxSampler was not build with ";
366                        std::cerr << "instruments database support!\n";
367                        exit(EXIT_FAILURE);
368                        break;
369    #endif
370                    case 6: // --create-instruments-db
371    #if HAVE_SQLITE3
372                        try {
373                            if (optarg) {
374                                std::cout << "Creating instruments database..." << std::endl;
375                                InstrumentsDb::CreateInstrumentsDb(String(optarg));
376                                std::cout << "Done" << std::endl;
377                            }
378                        } catch(Exception e) {
379                            std::cerr << e.Message() << std::endl;
380                            exit(EXIT_FAILURE);
381                            return;
382                        }
383    
384                        exit(EXIT_SUCCESS);
385                        return;
386    #else
387                        std::cerr << "Failed to create the database. LinuxSampler was ";
388                        std::cerr << "not build with instruments database support!\n";
389                        exit(EXIT_FAILURE);
390                        return;
391    #endif
392                    case 7: // --lscp-addr
393                        struct in_addr addr;
394                        if (inet_aton(optarg, &addr) == 0)
395                            printf("WARNING: Failed to parse lscp-addr argument, ignoring!\n");
396                        else
397                            lscp_addr = addr.s_addr;
398                      break;                      break;
399                  case 6: // --lscp-port                  case 8: // --lscp-port
400                      long unsigned int port = 0;                      long unsigned int port = 0;
401                      if ((sscanf(optarg, "%u", &port) != 1) || (port == 0) || (port > 65535))                      if ((sscanf(optarg, "%u", &port) != 1) || (port == 0) || (port > 65535))
402                              printf("WARNING: Failed to parse lscp-port argument, ignoring!\n");                          printf("WARNING: Failed to parse lscp-port argument, ignoring!\n");
403                      else                      else
404                              lscp_port = htons(port);                          lscp_port = htons(port);
405                      break;                      break;
406              }              }
407          }          }
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