/[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 2124 by schoenebeck, Sat Sep 18 09:24:41 2010 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) 2005-2009 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    
77  void parse_options(int argc, char **argv);  void parse_options(int argc, char **argv);
78  void signal_handler(int signal);  void signal_handler(int signal);
79  void kill_app();  void kill_app();
80    static atomic_t running = ATOMIC_INIT(1);
81    
82  int main(int argc, char **argv) {  int main(int argc, char **argv) {
83    
84        lscp_addr = htonl(LSCP_ADDR);
85        lscp_port = htons(LSCP_PORT);
86    
87        #if !defined(WIN32)
88        main_pid = getpid();
89        #endif
90    
91        // parse and assign command line options
92        parse_options(argc, argv);
93    
94        // setting signal handler for catching SIGINT (thus e.g. <CTRL><C>)
95        signal(SIGINT, signal_handler);
96    
97      // initialize the stack trace mechanism with our binary file      // initialize the stack trace mechanism with our binary file
98      StackTraceInit(argv[0], -1);      // (if requested by command line option)
99        if (bShowStackTrace) {
100            #if defined(WIN32)
101            // FIXME: sigaction() not supported on WIN32, we ignore it for now
102            #else
103            StackTraceInit(argv[0], -1);
104            // register signal handler for all unusual signals
105            // (we will print the stack trace and exit)
106            struct sigaction sact;
107            sigemptyset(&sact.sa_mask);
108            sact.sa_flags   = 0;
109            sact.sa_handler = signal_handler;
110            sigaction(SIGSEGV, &sact, NULL);
111            sigaction(SIGBUS,  &sact, NULL);
112            sigaction(SIGILL,  &sact, NULL);
113            sigaction(SIGFPE,  &sact, NULL);
114            sigaction(SIGUSR1, &sact, NULL);
115            sigaction(SIGUSR2, &sact, NULL);
116            #endif
117        }
118    
119        dmsg(1,("LinuxSampler %s\n", VERSION));
120        dmsg(1,("Copyright (C) 2003,2004 by Benno Senoner and Christian Schoenebeck\n"));
121        dmsg(1,("Copyright (C) 2005-2009 Christian Schoenebeck\n"));
122    
123      #if defined(WIN32)      #if defined(WIN32)
124        #if 0
125      // 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)
126      SYSTEM_INFO siSysInfo;      SYSTEM_INFO siSysInfo;
127      long physical_memory;      long physical_memory;
128      GetSystemInfo(&siSysInfo);      GetSystemInfo(&siSysInfo);
129      dmsg(1,("page size=%d\n", siSysInfo.dwPageSize));      dmsg(2,("page size=%d\n", siSysInfo.dwPageSize));
130    
131      MEMORYSTATUSEX statex;      MEMORYSTATUSEX statex;
132          statex.dwLength = sizeof (statex);          statex.dwLength = sizeof (statex);
133      GlobalMemoryStatusEx (&statex);      GlobalMemoryStatusEx (&statex);
134      dmsg(1, ("There are %*I64d total Kbytes of physical memory.\n",      dmsg(2, ("There are %*I64d total Kbytes of physical memory.\n",
135            8, statex.ullTotalPhys));            8, statex.ullTotalPhys));
136      dmsg(1, ("There are %*I64d free Kbytes of physical memory.\n",      dmsg(2, ("There are %*I64d free Kbytes of physical memory.\n",
137            8, statex.ullAvailPhys));            8, statex.ullAvailPhys));
138      physical_memory = statex.ullTotalPhys;      physical_memory = statex.ullTotalPhys;
139    
# Line 121  int main(int argc, char **argv) { Line 166  int main(int argc, char **argv) {
166          if(RequestedMinimumWorkingSetSize < DefaultMinimumWorkingSetSize) break;          if(RequestedMinimumWorkingSetSize < DefaultMinimumWorkingSetSize) break;
167      }      }
168    
169      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();  
170      #endif      #endif
171        #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"));  
172    
173      if (tune) {      if (tune) {
174          // detect and print system / CPU specific features          // detect and print system / CPU specific features
# Line 169  int main(int argc, char **argv) { Line 178  int main(int argc, char **argv) {
178          Features::enableDenormalsAreZeroMode();          Features::enableDenormalsAreZeroMode();
179      }      }
180    
181        dmsg(1,("Automatic Stacktrace: %s\n", (bShowStackTrace) ? "On" : "Off"));
182    
183      // create LinuxSampler instance      // create LinuxSampler instance
184      dmsg(1,("Creating Sampler..."));      dmsg(1,("Creating Sampler..."));
185      pSampler = new Sampler;      pSampler = new Sampler;
# Line 178  int main(int argc, char **argv) { Line 189  int main(int argc, char **argv) {
189      dmsg(1,("Registered MIDI input drivers: %s\n", MidiInputDeviceFactory::AvailableDriversAsString().c_str()));      dmsg(1,("Registered MIDI input drivers: %s\n", MidiInputDeviceFactory::AvailableDriversAsString().c_str()));
190      dmsg(1,("Registered audio output drivers: %s\n", AudioOutputDeviceFactory::AvailableDriversAsString().c_str()));      dmsg(1,("Registered audio output drivers: %s\n", AudioOutputDeviceFactory::AvailableDriversAsString().c_str()));
191      dmsg(1,("Registered instrument editors: %s\n", InstrumentEditorFactory::AvailableEditorsAsString().c_str()));      dmsg(1,("Registered instrument editors: %s\n", InstrumentEditorFactory::AvailableEditorsAsString().c_str()));
192        dmsg(1,("Registered internal effect systems: %s\n", EffectFactory::AvailableEffectSystemsAsString().c_str()));
193        dmsg(1,("Registered internal effects: %d\n", EffectFactory::AvailableEffectsCount()));
194    
195      // start LSCP network server      // start LSCP network server
196      struct in_addr addr;      struct in_addr addr;
# Line 199  int main(int argc, char **argv) { Line 212  int main(int argc, char **argv) {
212    
213      printf("LinuxSampler initialization completed. :-)\n\n");      printf("LinuxSampler initialization completed. :-)\n\n");
214    
215      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) {  
216          if (bPrintStatistics) {          if (bPrintStatistics) {
217              const std::set<Engine*>& engines = EngineFactory::EngineInstances();              const std::set<Engine*>& engines = EngineFactory::EngineInstances();
218              std::set<Engine*>::iterator itEngine = engines.begin();              std::set<Engine*>::iterator itEngine = engines.begin();
# Line 219  int main(int argc, char **argv) { Line 226  int main(int argc, char **argv) {
226              }              }
227          }          }
228    
229        sleep(1);          sleep(1);
230        if (profile)          if (profile)
231        {          {
232            unsigned int samplingFreq = 48000; //FIXME: hardcoded for now              unsigned int samplingFreq = 48000; //FIXME: hardcoded for now
233            unsigned int bv = LinuxSampler::gig::Profiler::GetBogoVoices(samplingFreq);              unsigned int bv = LinuxSampler::gig::Profiler::GetBogoVoices(samplingFreq);
234            if (bv != 0)              if (bv != 0)
235            {              {
236                printf("       BogoVoices: %i         \r", bv);                  printf("       BogoVoices: %i         \r", bv);
237                fflush(stdout);                  fflush(stdout);
238            }              }
239        }          }
   
       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();  
       }  
240    
241            pSampler->fireStatistics();
242      }      }
243        if (pLSCPServer) pLSCPServer->StopThread();
244        // the delete order here is important: the Sampler
245        // destructor sends notifications to the lscpserver
246        if (pSampler) delete pSampler;
247        if (pLSCPServer) delete pLSCPServer;
248        printf("LinuxSampler stopped due to SIGINT.\n");
249      return EXIT_SUCCESS;      return EXIT_SUCCESS;
250  }  }
251    
252  void signal_handler(int iSignal) {  void signal_handler(int iSignal) {
253      switch (iSignal) {      switch (iSignal) {
254          case SIGINT: {          case SIGINT:
255              #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);  
             }  
256              return;              return;
         }  
257          #if defined(WIN32)          #if defined(WIN32)
258          // 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
259          #else          #else
# Line 304  void signal_handler(int iSignal) { Line 282  void signal_handler(int iSignal) {
282          }          }
283      }      }
284      signal(iSignal, SIG_DFL); // Reinstall default handler to prevent race conditions      signal(iSignal, SIG_DFL); // Reinstall default handler to prevent race conditions
285      std::cerr << "Showing stack trace...\n" << std::flush;      if (bShowStackTrace) {
286      StackTrace();          std::cerr << "Showing stack trace...\n" << std::flush;
287      sleep(2);          StackTrace();
288            sleep(2);
289        }
290      std::cerr << "Killing LinuxSampler...\n" << std::flush;      std::cerr << "Killing LinuxSampler...\n" << std::flush;
291      kill_app(); // Use abort() if we want to generate a core dump.      kill_app(); // Use abort() if we want to generate a core dump.
292  }  }
# Line 334  void parse_options(int argc, char **argv Line 314  void parse_options(int argc, char **argv
314              {"create-instruments-db",1,0,0},              {"create-instruments-db",1,0,0},
315              {"lscp-addr",1,0,0},              {"lscp-addr",1,0,0},
316              {"lscp-port",1,0,0},              {"lscp-port",1,0,0},
317                {"stacktrace",0,0,0},
318              {0,0,0,0}              {0,0,0,0}
319          };          };
320    
# Line 357  void parse_options(int argc, char **argv Line 338  void parse_options(int argc, char **argv
338                      printf("--lscp-port                 set LSCP port (default: 8888)\n");                      printf("--lscp-port                 set LSCP port (default: 8888)\n");
339                      printf("--create-instruments-db     creates an instruments DB\n");                      printf("--create-instruments-db     creates an instruments DB\n");
340                      printf("--instruments-db-location   specifies the instruments DB file\n");                      printf("--instruments-db-location   specifies the instruments DB file\n");
341                        printf("--stacktrace                automatically shows stacktrace if crashes\n");
342                        printf("                            (broken on most systems at the moment)\n");
343                      exit(EXIT_SUCCESS);                      exit(EXIT_SUCCESS);
344                      break;                      break;
345                  case 1: // --version                  case 1: // --version
# Line 365  void parse_options(int argc, char **argv Line 348  void parse_options(int argc, char **argv
348                      break;                      break;
349                  case 2: // --profile                  case 2: // --profile
350                      profile = true;                      profile = true;
351                        //FIXME: profiling code is currently broken!
352                        std::cerr << "Option '--profile' is currently not supported, since the profiling code is currently broken!"  << std::endl;
353                        exit(EXIT_FAILURE);
354                      break;                      break;
355                  case 3: // --no-tune                  case 3: // --no-tune
356                      tune = false;                      tune = false;
# Line 411  void parse_options(int argc, char **argv Line 397  void parse_options(int argc, char **argv
397                          if (optarg) {                          if (optarg) {
398                              std::cout << "Creating instruments database..." << std::endl;                              std::cout << "Creating instruments database..." << std::endl;
399                              InstrumentsDb::CreateInstrumentsDb(String(optarg));                              InstrumentsDb::CreateInstrumentsDb(String(optarg));
                             InstrumentsDb::Destroy();  
400                              std::cout << "Done" << std::endl;                              std::cout << "Done" << std::endl;
401                          }                          }
402                      } catch(Exception e) {                      } catch(Exception e) {
# Line 428  void parse_options(int argc, char **argv Line 413  void parse_options(int argc, char **argv
413                      exit(EXIT_FAILURE);                      exit(EXIT_FAILURE);
414                      return;                      return;
415  #endif  #endif
416                  case 7: // --lscp-addr                  case 7: { // --lscp-addr
417                      struct in_addr addr;                      struct in_addr addr;
418                      if (inet_aton(optarg, &addr) == 0)                      if (inet_aton(optarg, &addr) == 0)
419                          printf("WARNING: Failed to parse lscp-addr argument, ignoring!\n");                          printf("WARNING: Failed to parse lscp-addr argument, ignoring!\n");
420                      else                      else
421                          lscp_addr = addr.s_addr;                          lscp_addr = addr.s_addr;
422                      break;                      break;
423                  case 8: // --lscp-port                  }
424                    case 8: {// --lscp-port
425                      long unsigned int port = 0;                      long unsigned int port = 0;
426                      if ((sscanf(optarg, "%u", &port) != 1) || (port == 0) || (port > 65535))                      if ((sscanf(optarg, "%u", &port) != 1) || (port == 0) || (port > 65535))
427                          printf("WARNING: Failed to parse lscp-port argument, ignoring!\n");                          printf("WARNING: Failed to parse lscp-port argument, ignoring!\n");
428                      else                      else
429                          lscp_port = htons(port);                          lscp_port = htons(port);
430                      break;                      break;
431                    }
432                    case 9: // --stacktrace
433                        bShowStackTrace = true;
434                        break;
435              }              }
436          }          }
437      }      }
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