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

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revision 1502 by senoner, Wed Nov 21 07:29:52 2007 UTC revision 2885 by schoenebeck, Fri Apr 22 15:37:45 2016 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) 2005-2016 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 23  Line 23 
23    
24  #include <getopt.h>  #include <getopt.h>
25  #include <signal.h>  #include <signal.h>
26    #include <sys/stat.h>
27    
28  #if defined(WIN32)  #if defined(WIN32)
29  // require at least Windows 2000 for the GlobalMemoryStatusEx() call  // require at least Windows 2000 for the GlobalMemoryStatusEx() call
30    #if _WIN32_WINNT < 0x0500
31    #ifdef _WIN32_WINNT
32    #undef _WIN32_WINNT
33    #endif
34  #define _WIN32_WINNT 0x0500  #define _WIN32_WINNT 0x0500
35  #endif  #endif
36    #endif
37    
38  #include "Sampler.h"  #include "Sampler.h"
39  #include "common/global_private.h"  #include "common/global_private.h"
# Line 35  Line 41 
41  #include "plugins/InstrumentEditorFactory.h"  #include "plugins/InstrumentEditorFactory.h"
42  #include "drivers/midi/MidiInputDeviceFactory.h"  #include "drivers/midi/MidiInputDeviceFactory.h"
43  #include "drivers/audio/AudioOutputDeviceFactory.h"  #include "drivers/audio/AudioOutputDeviceFactory.h"
44    #include "effects/EffectFactory.h"
45  #include "engines/gig/Profiler.h"  #include "engines/gig/Profiler.h"
46  #include "network/lscpserver.h"  #include "network/lscpserver.h"
47  #include "common/stacktrace.h"  #include "common/stacktrace.h"
48  #include "common/Features.h"  #include "common/Features.h"
49    #include "common/atomic.h"
50    
51  using namespace LinuxSampler;  using namespace LinuxSampler;
52    
# Line 56  int inet_aton(const char *cp, struct in_ Line 64  int inet_aton(const char *cp, struct in_
64      return (addr->s_addr == INADDR_NONE) ? 0 : 1;      return (addr->s_addr == INADDR_NONE) ? 0 : 1;
65  }  }
66    
 DWORD main_thread;  
67  #else  #else
 pthread_t   main_thread;  
68  pid_t       main_pid;  pid_t       main_pid;
69  #endif  #endif
70  bool bPrintStatistics = false;  bool bPrintStatistics = false;
71  bool profile = false;  bool profile = false;
72  bool tune = true;  bool tune = true;
73    static bool bShowStackTrace = false;
74  unsigned long int lscp_addr;  unsigned long int lscp_addr;
75  unsigned short int lscp_port;  unsigned short int lscp_port;
76    String ExecAfterInit;
77    
78  void parse_options(int argc, char **argv);  void parse_options(int argc, char **argv);
79  void signal_handler(int signal);  void signal_handler(int signal);
80  void kill_app();  void kill_app();
81    static atomic_t running = ATOMIC_INIT(1);
82    
83  int main(int argc, char **argv) {  int main(int argc, char **argv) {
84    
85        lscp_addr = htonl(LSCP_ADDR);
86        lscp_port = htons(LSCP_PORT);
87    
88        #if !defined(WIN32)
89        main_pid = getpid();
90        #endif
91    
92        // parse and assign command line options
93        parse_options(argc, argv);
94    
95        // setting signal handler for catching SIGINT (thus e.g. <CTRL><C>)
96        signal(SIGINT, signal_handler);
97    
98      // initialize the stack trace mechanism with our binary file      // initialize the stack trace mechanism with our binary file
99      StackTraceInit(argv[0], -1);      // (if requested by command line option)
100        if (bShowStackTrace) {
101            #if defined(WIN32)
102            // FIXME: sigaction() not supported on WIN32, we ignore it for now
103            #else
104            StackTraceInit(argv[0], -1);
105            // register signal handler for all unusual signals
106            // (we will print the stack trace and exit)
107            struct sigaction sact;
108            sigemptyset(&sact.sa_mask);
109            sact.sa_flags   = 0;
110            sact.sa_handler = signal_handler;
111            sigaction(SIGSEGV, &sact, NULL);
112            sigaction(SIGBUS,  &sact, NULL);
113            sigaction(SIGILL,  &sact, NULL);
114            sigaction(SIGFPE,  &sact, NULL);
115            sigaction(SIGUSR1, &sact, NULL);
116            sigaction(SIGUSR2, &sact, NULL);
117            #endif
118        }
119    
120        dmsg(1,("LinuxSampler %s\n", VERSION));
121        dmsg(1,("Copyright (C) 2003,2004 by Benno Senoner and Christian Schoenebeck\n"));
122        dmsg(1,("Copyright (C) 2005-2016 Christian Schoenebeck\n"));
123        dmsg(1,("Binary built: " __DATE__ "\n"))
124    
125      #if defined(WIN32)      #if defined(WIN32)
126        #if 0
127      // some WIN32 memory info code which tries to determine the maximum lockable amount of memory (for debug purposes)      // some WIN32 memory info code which tries to determine the maximum lockable amount of memory (for debug purposes)
128      SYSTEM_INFO siSysInfo;      SYSTEM_INFO siSysInfo;
129      long physical_memory;      long physical_memory;
130      GetSystemInfo(&siSysInfo);      GetSystemInfo(&siSysInfo);
131      dmsg(1,("page size=%d\n", siSysInfo.dwPageSize));      dmsg(2,("page size=%d\n", siSysInfo.dwPageSize));
132    
133      MEMORYSTATUSEX statex;      MEMORYSTATUSEX statex;
134          statex.dwLength = sizeof (statex);          statex.dwLength = sizeof (statex);
135      GlobalMemoryStatusEx (&statex);      GlobalMemoryStatusEx (&statex);
136      dmsg(1, ("There are %*I64d total Kbytes of physical memory.\n",      dmsg(2, ("There are %*I64d total Kbytes of physical memory.\n",
137            8, statex.ullTotalPhys));            8, statex.ullTotalPhys));
138      dmsg(1, ("There are %*I64d free Kbytes of physical memory.\n",      dmsg(2, ("There are %*I64d free Kbytes of physical memory.\n",
139            8, statex.ullAvailPhys));            8, statex.ullAvailPhys));
140      physical_memory = statex.ullTotalPhys;      physical_memory = statex.ullTotalPhys;
141    
# Line 121  int main(int argc, char **argv) { Line 168  int main(int argc, char **argv) {
168          if(RequestedMinimumWorkingSetSize < DefaultMinimumWorkingSetSize) break;          if(RequestedMinimumWorkingSetSize < DefaultMinimumWorkingSetSize) break;
169      }      }
170    
171      dmsg(1,("AFTER GetProcessWorkingSetSize: res = %d  MinimumWorkingSetSize=%d, MaximumWorkingSetSize=%d\n", res,MinimumWorkingSetSize, MaximumWorkingSetSize));      dmsg(2,("AFTER GetProcessWorkingSetSize: res = %d  MinimumWorkingSetSize=%d, MaximumWorkingSetSize=%d\n", res,MinimumWorkingSetSize, MaximumWorkingSetSize));
     #endif  
   
     #if defined(WIN32)  
     main_thread = GetCurrentThreadId();  
     #else  
     main_pid = getpid();  
     main_thread = pthread_self();  
     #endif  
   
     // setting signal handler for catching SIGINT (thus e.g. <CTRL><C>)  
     signal(SIGINT, signal_handler);  
   
     #if defined(WIN32)  
     // FIXME: sigaction() not supported on WIN32, we ignore it for now  
     #else  
     // register signal handler for all unusual signals  
     // (we will print the stack trace and exit)  
     struct sigaction sact;  
     sigemptyset(&sact.sa_mask);  
     sact.sa_flags   = 0;  
     sact.sa_handler = signal_handler;  
     sigaction(SIGSEGV, &sact, NULL);  
     sigaction(SIGBUS,  &sact, NULL);  
     sigaction(SIGILL,  &sact, NULL);  
     sigaction(SIGFPE,  &sact, NULL);  
     sigaction(SIGUSR1, &sact, NULL);  
     sigaction(SIGUSR2, &sact, NULL);  
172      #endif      #endif
173        #endif // WIN32
     lscp_addr = htonl(LSCP_ADDR);  
     lscp_port = htons(LSCP_PORT);  
   
     // parse and assign command line options  
     parse_options(argc, argv);  
   
     dmsg(1,("LinuxSampler %s\n", VERSION));  
     dmsg(1,("Copyright (C) 2003,2004 by Benno Senoner and Christian Schoenebeck\n"));  
     dmsg(1,("Copyright (C) 2005-2007 Christian Schoenebeck\n"));  
174    
175      if (tune) {      if (tune) {
176          // detect and print system / CPU specific features          // detect and print system / CPU specific features
# Line 169  int main(int argc, char **argv) { Line 180  int main(int argc, char **argv) {
180          Features::enableDenormalsAreZeroMode();          Features::enableDenormalsAreZeroMode();
181      }      }
182    
183        dmsg(1,("Automatic Stacktrace: %s\n", (bShowStackTrace) ? "On" : "Off"));
184    
185      // create LinuxSampler instance      // create LinuxSampler instance
186      dmsg(1,("Creating Sampler..."));      dmsg(1,("Creating Sampler..."));
187      pSampler = new Sampler;      pSampler = new Sampler;
# Line 178  int main(int argc, char **argv) { Line 191  int main(int argc, char **argv) {
191      dmsg(1,("Registered MIDI input drivers: %s\n", MidiInputDeviceFactory::AvailableDriversAsString().c_str()));      dmsg(1,("Registered MIDI input drivers: %s\n", MidiInputDeviceFactory::AvailableDriversAsString().c_str()));
192      dmsg(1,("Registered audio output drivers: %s\n", AudioOutputDeviceFactory::AvailableDriversAsString().c_str()));      dmsg(1,("Registered audio output drivers: %s\n", AudioOutputDeviceFactory::AvailableDriversAsString().c_str()));
193      dmsg(1,("Registered instrument editors: %s\n", InstrumentEditorFactory::AvailableEditorsAsString().c_str()));      dmsg(1,("Registered instrument editors: %s\n", InstrumentEditorFactory::AvailableEditorsAsString().c_str()));
194        dmsg(1,("Registered internal effect systems: %s\n", EffectFactory::AvailableEffectSystemsAsString().c_str()));
195        dmsg(1,("Registered internal effects: %d\n", EffectFactory::AvailableEffectsCount()));
196    
197      // start LSCP network server      // start LSCP network server
198      struct in_addr addr;      struct in_addr addr;
# Line 198  int main(int argc, char **argv) { Line 213  int main(int argc, char **argv) {
213      }      }
214    
215      printf("LinuxSampler initialization completed. :-)\n\n");      printf("LinuxSampler initialization completed. :-)\n\n");
216        
217        if (ExecAfterInit != "") {
218            printf("Executing command: %s\n\n", ExecAfterInit.c_str());
219            if (system(ExecAfterInit.c_str()) == -1) {
220                std::cerr << "Failed to execute the command" << std::endl;
221            }
222        }
223    
224      std::list<LSCPEvent::event_t> rtEvents;  //TODO: (hopefully) just a temporary nasty hack for launching gigedit on the main thread on Mac (see comments in gigedit.cpp for details)
225      rtEvents.push_back(LSCPEvent::event_voice_count);  #if defined(__APPLE__)
226      rtEvents.push_back(LSCPEvent::event_stream_count);      g_mainThreadCallbackSupported = true;
227      rtEvents.push_back(LSCPEvent::event_buffer_fill);  #endif
     rtEvents.push_back(LSCPEvent::event_total_voice_count);  
228    
229      while (true) {      while (atomic_read(&running)) {
230          if (bPrintStatistics) {          if (bPrintStatistics) {
231              const std::set<Engine*>& engines = EngineFactory::EngineInstances();              const std::set<Engine*>& engines = EngineFactory::EngineInstances();
232              std::set<Engine*>::iterator itEngine = engines.begin();              std::set<Engine*>::iterator itEngine = engines.begin();
# Line 219  int main(int argc, char **argv) { Line 240  int main(int argc, char **argv) {
240              }              }
241          }          }
242    
243        sleep(1);          sleep(1);
244        if (profile)          if (profile)
245        {          {
246            unsigned int samplingFreq = 48000; //FIXME: hardcoded for now              unsigned int samplingFreq = 48000; //FIXME: hardcoded for now
247            unsigned int bv = LinuxSampler::gig::Profiler::GetBogoVoices(samplingFreq);              unsigned int bv = LinuxSampler::gig::Profiler::GetBogoVoices(samplingFreq);
248            if (bv != 0)              if (bv != 0)
249            {              {
250                printf("       BogoVoices: %i         \r", bv);                  printf("       BogoVoices: %i         \r", bv);
251                fflush(stdout);                  fflush(stdout);
252            }              }
253        }          }
   
       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;  
               pSampler->fireVoiceCountChanged(iter->first, pEngineChannel->GetVoiceCount());  
               pSampler->fireStreamCountChanged(iter->first, pEngineChannel->GetDiskStreamCount());  
               pSampler->fireBufferFillChanged(iter->first, pEngine->DiskStreamBufferFillPercentage());  
               pSampler->fireTotalVoiceCountChanged(pSampler->GetVoiceCount());  
           }  
           LSCPServer::UnlockRTNotify();  
       }  
254    
255            pSampler->fireStatistics();
256            
257            //TODO: (hopefully) just a temporary nasty hack for launching gigedit on the main thread on Mac (see comments in gigedit.cpp for details)
258            #if defined(__APPLE__)
259            if (g_fireMainThreadCallback && g_mainThreadCallback) {
260                void (*fn)(void* info) = g_mainThreadCallback;
261                void* info = g_mainThreadCallbackInfo;
262                g_mainThreadCallbackInfo = NULL;
263                g_mainThreadCallback     = NULL;
264                g_fireMainThreadCallback = false;
265                printf("Received main thread callback, calling now ...\n"); fflush(stdout);
266                (*fn)(info);
267                printf("Main thread callback executed.\n"); fflush(stdout);
268            }
269            #endif
270      }      }
271    //#endif
272        if (pLSCPServer) pLSCPServer->StopThread();
273        // the delete order here is important: the Sampler
274        // destructor sends notifications to the lscpserver
275        if (pSampler) delete pSampler;
276        if (pLSCPServer) delete pLSCPServer;
277        printf("LinuxSampler stopped due to SIGINT.\n");
278      return EXIT_SUCCESS;      return EXIT_SUCCESS;
279  }  }
280    
281  void signal_handler(int iSignal) {  void signal_handler(int iSignal) {
282      switch (iSignal) {      switch (iSignal) {
283          case SIGINT: {          case SIGINT:
284              #if defined(WIN32)              atomic_set(&running, 0);
             if( GetCurrentThreadId() == main_thread ) {  
             #else  
             if (pthread_equal(pthread_self(), main_thread)) {  
             #endif  
                 if (pLSCPServer) pLSCPServer->StopThread();  
                 // the delete order here is important: the Sampler  
                 // destructor sends notifications to the lscpserver  
                 if (pSampler) delete pSampler;  
                 if (pLSCPServer) delete pLSCPServer;  
 #if HAVE_SQLITE3  
                 InstrumentsDb::Destroy();  
 #endif  
                 printf("LinuxSampler stopped due to SIGINT.\n");  
                 exit(EXIT_SUCCESS);  
             }  
285              return;              return;
         }  
286          #if defined(WIN32)          #if defined(WIN32)
287          // FIXME: under WIN32 we ignore the signals below due to the missing sigaction call          // FIXME: under WIN32 we ignore the signals below due to the missing sigaction call
288          #else          #else
# Line 304  void signal_handler(int iSignal) { Line 311  void signal_handler(int iSignal) {
311          }          }
312      }      }
313      signal(iSignal, SIG_DFL); // Reinstall default handler to prevent race conditions      signal(iSignal, SIG_DFL); // Reinstall default handler to prevent race conditions
314      std::cerr << "Showing stack trace...\n" << std::flush;      if (bShowStackTrace) {
315      StackTrace();          std::cerr << "Showing stack trace...\n" << std::flush;
316      sleep(2);          StackTrace();
317            sleep(2);
318        }
319      std::cerr << "Killing LinuxSampler...\n" << std::flush;      std::cerr << "Killing LinuxSampler...\n" << std::flush;
320      kill_app(); // Use abort() if we want to generate a core dump.      kill_app(); // Use abort() if we want to generate a core dump.
321  }  }
# Line 334  void parse_options(int argc, char **argv Line 343  void parse_options(int argc, char **argv
343              {"create-instruments-db",1,0,0},              {"create-instruments-db",1,0,0},
344              {"lscp-addr",1,0,0},              {"lscp-addr",1,0,0},
345              {"lscp-port",1,0,0},              {"lscp-port",1,0,0},
346                {"stacktrace",0,0,0},
347                {"exec-after-init",1,0,0},
348              {0,0,0,0}              {0,0,0,0}
349          };          };
350    
# Line 357  void parse_options(int argc, char **argv Line 368  void parse_options(int argc, char **argv
368                      printf("--lscp-port                 set LSCP port (default: 8888)\n");                      printf("--lscp-port                 set LSCP port (default: 8888)\n");
369                      printf("--create-instruments-db     creates an instruments DB\n");                      printf("--create-instruments-db     creates an instruments DB\n");
370                      printf("--instruments-db-location   specifies the instruments DB file\n");                      printf("--instruments-db-location   specifies the instruments DB file\n");
371                        printf("--stacktrace                automatically shows stacktrace if crashes\n");
372                        printf("                            (broken on most systems at the moment)\n");
373                        printf("--exec-after-init           executes a command after initialization\n");
374                      exit(EXIT_SUCCESS);                      exit(EXIT_SUCCESS);
375                      break;                      break;
376                  case 1: // --version                  case 1: // --version
# Line 365  void parse_options(int argc, char **argv Line 379  void parse_options(int argc, char **argv
379                      break;                      break;
380                  case 2: // --profile                  case 2: // --profile
381                      profile = true;                      profile = true;
382                        //FIXME: profiling code is currently broken!
383                        std::cerr << "Option '--profile' is currently not supported, since the profiling code is currently broken!"  << std::endl;
384                        exit(EXIT_FAILURE);
385                      break;                      break;
386                  case 3: // --no-tune                  case 3: // --no-tune
387                      tune = false;                      tune = false;
# Line 411  void parse_options(int argc, char **argv Line 428  void parse_options(int argc, char **argv
428                          if (optarg) {                          if (optarg) {
429                              std::cout << "Creating instruments database..." << std::endl;                              std::cout << "Creating instruments database..." << std::endl;
430                              InstrumentsDb::CreateInstrumentsDb(String(optarg));                              InstrumentsDb::CreateInstrumentsDb(String(optarg));
                             InstrumentsDb::Destroy();  
431                              std::cout << "Done" << std::endl;                              std::cout << "Done" << std::endl;
432                          }                          }
433                      } catch(Exception e) {                      } catch(Exception e) {
# Line 428  void parse_options(int argc, char **argv Line 444  void parse_options(int argc, char **argv
444                      exit(EXIT_FAILURE);                      exit(EXIT_FAILURE);
445                      return;                      return;
446  #endif  #endif
447                  case 7: // --lscp-addr                  case 7: { // --lscp-addr
448                      struct in_addr addr;                      struct in_addr addr;
449                      if (inet_aton(optarg, &addr) == 0)                      if (inet_aton(optarg, &addr) == 0)
450                          printf("WARNING: Failed to parse lscp-addr argument, ignoring!\n");                          printf("WARNING: Failed to parse lscp-addr argument, ignoring!\n");
451                      else                      else
452                          lscp_addr = addr.s_addr;                          lscp_addr = addr.s_addr;
453                      break;                      break;
454                  case 8: // --lscp-port                  }
455                    case 8: {// --lscp-port
456                      long unsigned int port = 0;                      long unsigned int port = 0;
457                      if ((sscanf(optarg, "%u", &port) != 1) || (port == 0) || (port > 65535))                      if ((sscanf(optarg, "%lu", &port) != 1) || (port == 0) || (port > 65535))
458                          printf("WARNING: Failed to parse lscp-port argument, ignoring!\n");                          printf("WARNING: Failed to parse lscp-port argument, ignoring!\n");
459                      else                      else
460                          lscp_port = htons(port);                          lscp_port = htons(port);
461                      break;                      break;
462                    }
463                    case 9: // --stacktrace
464                        bShowStackTrace = true;
465                        break;
466                    case 10: // --exec-after-init
467                        ExecAfterInit = optarg;
468                        break;
469              }              }
470          }          }
471      }      }
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