/[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 3056 by schoenebeck, Fri Dec 16 12:57:59 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 48  LSCPServer* pLSCPServer = NULL; Line 56  LSCPServer* pLSCPServer = NULL;
56  // inet_aton seems missing under WIN32  // inet_aton seems missing under WIN32
57  #ifndef INADDR_NONE  #ifndef INADDR_NONE
58  #define INADDR_NONE 0xffffffff  #define INADDR_NONE 0xffffffff
59    typedef unsigned long in_addr_t;
60  #endif  #endif
61    
62  int inet_aton(const char *cp, struct in_addr *addr)  int inet_aton(const char *cp, struct in_addr *addr)
# Line 56  int inet_aton(const char *cp, struct in_ Line 65  int inet_aton(const char *cp, struct in_
65      return (addr->s_addr == INADDR_NONE) ? 0 : 1;      return (addr->s_addr == INADDR_NONE) ? 0 : 1;
66  }  }
67    
 DWORD main_thread;  
68  #else  #else
 pthread_t   main_thread;  
69  pid_t       main_pid;  pid_t       main_pid;
70  #endif  #endif
71  bool bPrintStatistics = false;  bool bPrintStatistics = false;
72  bool profile = false;  bool profile = false;
73  bool tune = true;  bool tune = true;
74    static bool bShowStackTrace = false;
75  unsigned long int lscp_addr;  unsigned long int lscp_addr;
76  unsigned short int lscp_port;  unsigned short int lscp_port;
77    String ExecAfterInit;
78    
79  void parse_options(int argc, char **argv);  void parse_options(int argc, char **argv);
80  void signal_handler(int signal);  void signal_handler(int signal);
81  void kill_app();  void kill_app();
82    static atomic_t running = ATOMIC_INIT(1);
83    
84  int main(int argc, char **argv) {  int main(int argc, char **argv) {
85    
86        lscp_addr = htonl(LSCP_ADDR);
87        lscp_port = htons(LSCP_PORT);
88    
89        #if !defined(WIN32)
90        main_pid = getpid();
91        #endif
92    
93        // parse and assign command line options
94        parse_options(argc, argv);
95    
96        // setting signal handler for catching SIGINT (thus e.g. <CTRL><C>)
97        signal(SIGINT, signal_handler);
98    
99      // initialize the stack trace mechanism with our binary file      // initialize the stack trace mechanism with our binary file
100      StackTraceInit(argv[0], -1);      // (if requested by command line option)
101        if (bShowStackTrace) {
102            #if defined(WIN32)
103            // FIXME: sigaction() not supported on WIN32, we ignore it for now
104            #elif AC_APPLE_UNIVERSAL_BUILD
105            // not used for Xcode
106            #else
107            StackTraceInit(argv[0], -1);
108            // register signal handler for all unusual signals
109            // (we will print the stack trace and exit)
110            struct sigaction sact;
111            sigemptyset(&sact.sa_mask);
112            sact.sa_flags   = 0;
113            sact.sa_handler = signal_handler;
114            sigaction(SIGSEGV, &sact, NULL);
115            sigaction(SIGBUS,  &sact, NULL);
116            sigaction(SIGILL,  &sact, NULL);
117            sigaction(SIGFPE,  &sact, NULL);
118            sigaction(SIGUSR1, &sact, NULL);
119            sigaction(SIGUSR2, &sact, NULL);
120            #endif
121        }
122    
123        dmsg(1,("LinuxSampler %s\n", VERSION));
124        dmsg(1,("Copyright (C) 2003,2004 by Benno Senoner and Christian Schoenebeck\n"));
125        dmsg(1,("Copyright (C) 2005-2016 Christian Schoenebeck\n"));
126        dmsg(1,("Binary built: " __DATE__ "\n"))
127    
128      #if defined(WIN32)      #if defined(WIN32)
129        #if 0
130      // 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)
131      SYSTEM_INFO siSysInfo;      SYSTEM_INFO siSysInfo;
132      long physical_memory;      long physical_memory;
133      GetSystemInfo(&siSysInfo);      GetSystemInfo(&siSysInfo);
134      dmsg(1,("page size=%d\n", siSysInfo.dwPageSize));      dmsg(2,("page size=%d\n", siSysInfo.dwPageSize));
135    
136      MEMORYSTATUSEX statex;      MEMORYSTATUSEX statex;
137          statex.dwLength = sizeof (statex);          statex.dwLength = sizeof (statex);
138      GlobalMemoryStatusEx (&statex);      GlobalMemoryStatusEx (&statex);
139      dmsg(1, ("There are %*I64d total Kbytes of physical memory.\n",      dmsg(2, ("There are %*I64d total Kbytes of physical memory.\n",
140            8, statex.ullTotalPhys));            8, statex.ullTotalPhys));
141      dmsg(1, ("There are %*I64d free Kbytes of physical memory.\n",      dmsg(2, ("There are %*I64d free Kbytes of physical memory.\n",
142            8, statex.ullAvailPhys));            8, statex.ullAvailPhys));
143      physical_memory = statex.ullTotalPhys;      physical_memory = statex.ullTotalPhys;
144    
# Line 121  int main(int argc, char **argv) { Line 171  int main(int argc, char **argv) {
171          if(RequestedMinimumWorkingSetSize < DefaultMinimumWorkingSetSize) break;          if(RequestedMinimumWorkingSetSize < DefaultMinimumWorkingSetSize) break;
172      }      }
173    
174      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();  
175      #endif      #endif
176        #endif // WIN32
     // 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);  
     #endif  
   
     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"));  
177    
178      if (tune) {      if (tune) {
179          // detect and print system / CPU specific features          // detect and print system / CPU specific features
# Line 169  int main(int argc, char **argv) { Line 183  int main(int argc, char **argv) {
183          Features::enableDenormalsAreZeroMode();          Features::enableDenormalsAreZeroMode();
184      }      }
185    
186        dmsg(1,("Automatic Stacktrace: %s\n", (bShowStackTrace) ? "On" : "Off"));
187    
188      // create LinuxSampler instance      // create LinuxSampler instance
189      dmsg(1,("Creating Sampler..."));      dmsg(1,("Creating Sampler..."));
190      pSampler = new Sampler;      pSampler = new Sampler;
# Line 178  int main(int argc, char **argv) { Line 194  int main(int argc, char **argv) {
194      dmsg(1,("Registered MIDI input drivers: %s\n", MidiInputDeviceFactory::AvailableDriversAsString().c_str()));      dmsg(1,("Registered MIDI input drivers: %s\n", MidiInputDeviceFactory::AvailableDriversAsString().c_str()));
195      dmsg(1,("Registered audio output drivers: %s\n", AudioOutputDeviceFactory::AvailableDriversAsString().c_str()));      dmsg(1,("Registered audio output drivers: %s\n", AudioOutputDeviceFactory::AvailableDriversAsString().c_str()));
196      dmsg(1,("Registered instrument editors: %s\n", InstrumentEditorFactory::AvailableEditorsAsString().c_str()));      dmsg(1,("Registered instrument editors: %s\n", InstrumentEditorFactory::AvailableEditorsAsString().c_str()));
197        dmsg(1,("Registered internal effect systems: %s\n", EffectFactory::AvailableEffectSystemsAsString().c_str()));
198        dmsg(1,("Registered internal effects: %d\n", EffectFactory::AvailableEffectsCount()));
199    
200      // start LSCP network server      // start LSCP network server
201      struct in_addr addr;      struct in_addr addr;
202      addr.s_addr = lscp_addr;      addr.s_addr = (in_addr_t)lscp_addr;
203      dmsg(1,("Starting LSCP network server (%s:%d)...", inet_ntoa(addr), ntohs(lscp_port)));      dmsg(1,("Starting LSCP network server (%s:%d)...", inet_ntoa(addr), ntohs(lscp_port)));
204      pLSCPServer = new LSCPServer(pSampler, lscp_addr, lscp_port);      pLSCPServer = new LSCPServer(pSampler, lscp_addr, lscp_port);
205      pLSCPServer->StartThread();      pLSCPServer->StartThread();
# Line 198  int main(int argc, char **argv) { Line 216  int main(int argc, char **argv) {
216      }      }
217    
218      printf("LinuxSampler initialization completed. :-)\n\n");      printf("LinuxSampler initialization completed. :-)\n\n");
219        
220        if (ExecAfterInit != "") {
221            printf("Executing command: %s\n\n", ExecAfterInit.c_str());
222            if (system(ExecAfterInit.c_str()) == -1) {
223                std::cerr << "Failed to execute the command" << std::endl;
224            }
225        }
226    
227      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)
228      rtEvents.push_back(LSCPEvent::event_voice_count);  #if defined(__APPLE__)
229      rtEvents.push_back(LSCPEvent::event_stream_count);      g_mainThreadCallbackSupported = true;
230      rtEvents.push_back(LSCPEvent::event_buffer_fill);  #endif
     rtEvents.push_back(LSCPEvent::event_total_voice_count);  
231    
232      while (true) {      while (atomic_read(&running)) {
233          if (bPrintStatistics) {          if (bPrintStatistics) {
234              const std::set<Engine*>& engines = EngineFactory::EngineInstances();              const std::set<Engine*>& engines = EngineFactory::EngineInstances();
235              std::set<Engine*>::iterator itEngine = engines.begin();              std::set<Engine*>::iterator itEngine = engines.begin();
# Line 219  int main(int argc, char **argv) { Line 243  int main(int argc, char **argv) {
243              }              }
244          }          }
245    
246        sleep(1);          sleep(1);
247        if (profile)          if (profile)
248        {          {
249            unsigned int samplingFreq = 48000; //FIXME: hardcoded for now              unsigned int samplingFreq = 48000; //FIXME: hardcoded for now
250            unsigned int bv = LinuxSampler::gig::Profiler::GetBogoVoices(samplingFreq);              unsigned int bv = LinuxSampler::gig::Profiler::GetBogoVoices(samplingFreq);
251            if (bv != 0)              if (bv != 0)
252            {              {
253                printf("       BogoVoices: %i         \r", bv);                  printf("       BogoVoices: %i         \r", bv);
254                fflush(stdout);                  fflush(stdout);
255            }              }
256        }          }
   
       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();  
       }  
257    
258            pSampler->fireStatistics();
259            
260            //TODO: (hopefully) just a temporary nasty hack for launching gigedit on the main thread on Mac (see comments in gigedit.cpp for details)
261            #if defined(__APPLE__)
262            if (g_fireMainThreadCallback && g_mainThreadCallback) {
263                void (*fn)(void* info) = g_mainThreadCallback;
264                void* info = g_mainThreadCallbackInfo;
265                g_mainThreadCallbackInfo = NULL;
266                g_mainThreadCallback     = NULL;
267                g_fireMainThreadCallback = false;
268                printf("Received main thread callback, calling now ...\n"); fflush(stdout);
269                (*fn)(info);
270                printf("Main thread callback executed.\n"); fflush(stdout);
271            }
272            #endif
273      }      }
274    //#endif
275        if (pLSCPServer) pLSCPServer->StopThread();
276        // the delete order here is important: the Sampler
277        // destructor sends notifications to the lscpserver
278        if (pSampler) delete pSampler;
279        if (pLSCPServer) delete pLSCPServer;
280        printf("LinuxSampler stopped due to SIGINT.\n");
281      return EXIT_SUCCESS;      return EXIT_SUCCESS;
282  }  }
283    
284  void signal_handler(int iSignal) {  void signal_handler(int iSignal) {
285      switch (iSignal) {      switch (iSignal) {
286          case SIGINT: {          case SIGINT:
287              #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);  
             }  
288              return;              return;
         }  
289          #if defined(WIN32)          #if defined(WIN32)
290          // 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
291          #else          #else
# Line 304  void signal_handler(int iSignal) { Line 314  void signal_handler(int iSignal) {
314          }          }
315      }      }
316      signal(iSignal, SIG_DFL); // Reinstall default handler to prevent race conditions      signal(iSignal, SIG_DFL); // Reinstall default handler to prevent race conditions
317      std::cerr << "Showing stack trace...\n" << std::flush;      if (bShowStackTrace) {
318      StackTrace();          std::cerr << "Showing stack trace...\n" << std::flush;
319      sleep(2);          #if !AC_APPLE_UNIVERSAL_BUILD
320            StackTrace();
321            #endif
322            sleep(2);
323        }
324      std::cerr << "Killing LinuxSampler...\n" << std::flush;      std::cerr << "Killing LinuxSampler...\n" << std::flush;
325      kill_app(); // Use abort() if we want to generate a core dump.      kill_app(); // Use abort() if we want to generate a core dump.
326  }  }
# Line 334  void parse_options(int argc, char **argv Line 348  void parse_options(int argc, char **argv
348              {"create-instruments-db",1,0,0},              {"create-instruments-db",1,0,0},
349              {"lscp-addr",1,0,0},              {"lscp-addr",1,0,0},
350              {"lscp-port",1,0,0},              {"lscp-port",1,0,0},
351                {"stacktrace",0,0,0},
352                {"exec-after-init",1,0,0},
353              {0,0,0,0}              {0,0,0,0}
354          };          };
355    
# Line 357  void parse_options(int argc, char **argv Line 373  void parse_options(int argc, char **argv
373                      printf("--lscp-port                 set LSCP port (default: 8888)\n");                      printf("--lscp-port                 set LSCP port (default: 8888)\n");
374                      printf("--create-instruments-db     creates an instruments DB\n");                      printf("--create-instruments-db     creates an instruments DB\n");
375                      printf("--instruments-db-location   specifies the instruments DB file\n");                      printf("--instruments-db-location   specifies the instruments DB file\n");
376                        printf("--stacktrace                automatically shows stacktrace if crashes\n");
377                        printf("                            (broken on most systems at the moment)\n");
378                        printf("--exec-after-init           executes a command after initialization\n");
379                      exit(EXIT_SUCCESS);                      exit(EXIT_SUCCESS);
380                      break;                      break;
381                  case 1: // --version                  case 1: // --version
# Line 365  void parse_options(int argc, char **argv Line 384  void parse_options(int argc, char **argv
384                      break;                      break;
385                  case 2: // --profile                  case 2: // --profile
386                      profile = true;                      profile = true;
387                        //FIXME: profiling code is currently broken!
388                        std::cerr << "Option '--profile' is currently not supported, since the profiling code is currently broken!"  << std::endl;
389                        exit(EXIT_FAILURE);
390                      break;                      break;
391                  case 3: // --no-tune                  case 3: // --no-tune
392                      tune = false;                      tune = false;
# Line 411  void parse_options(int argc, char **argv Line 433  void parse_options(int argc, char **argv
433                          if (optarg) {                          if (optarg) {
434                              std::cout << "Creating instruments database..." << std::endl;                              std::cout << "Creating instruments database..." << std::endl;
435                              InstrumentsDb::CreateInstrumentsDb(String(optarg));                              InstrumentsDb::CreateInstrumentsDb(String(optarg));
                             InstrumentsDb::Destroy();  
436                              std::cout << "Done" << std::endl;                              std::cout << "Done" << std::endl;
437                          }                          }
438                      } catch(Exception e) {                      } catch(Exception e) {
# Line 428  void parse_options(int argc, char **argv Line 449  void parse_options(int argc, char **argv
449                      exit(EXIT_FAILURE);                      exit(EXIT_FAILURE);
450                      return;                      return;
451  #endif  #endif
452                  case 7: // --lscp-addr                  case 7: { // --lscp-addr
453                      struct in_addr addr;                      struct in_addr addr;
454                      if (inet_aton(optarg, &addr) == 0)                      if (inet_aton(optarg, &addr) == 0)
455                          printf("WARNING: Failed to parse lscp-addr argument, ignoring!\n");                          printf("WARNING: Failed to parse lscp-addr argument, ignoring!\n");
456                      else                      else
457                          lscp_addr = addr.s_addr;                          lscp_addr = addr.s_addr;
458                      break;                      break;
459                  case 8: // --lscp-port                  }
460                    case 8: {// --lscp-port
461                      long unsigned int port = 0;                      long unsigned int port = 0;
462                      if ((sscanf(optarg, "%u", &port) != 1) || (port == 0) || (port > 65535))                      if ((sscanf(optarg, "%lu", &port) != 1) || (port == 0) || (port > 65535))
463                          printf("WARNING: Failed to parse lscp-port argument, ignoring!\n");                          printf("WARNING: Failed to parse lscp-port argument, ignoring!\n");
464                      else                      else
465                          lscp_port = htons(port);                          lscp_port = htons(port);
466                      break;                      break;
467                    }
468                    case 9: // --stacktrace
469                        bShowStackTrace = true;
470                        break;
471                    case 10: // --exec-after-init
472                        ExecAfterInit = optarg;
473                        break;
474              }              }
475          }          }
476      }      }
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