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

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revision 425 by persson, Sat Mar 5 07:27:48 2005 UTC revision 1502 by senoner, Wed Nov 21 07:29:52 2007 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 Christian Schoenebeck                              *   *   Copyright (C) 2005-2007 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"
# Line 37  using namespace LinuxSampler; Line 44  using namespace LinuxSampler;
44    
45  Sampler*    pSampler    = NULL;  Sampler*    pSampler    = NULL;
46  LSCPServer* pLSCPServer = NULL;  LSCPServer* pLSCPServer = NULL;
47    #if defined(WIN32)
48    // inet_aton seems missing under WIN32
49    #ifndef INADDR_NONE
50    #define INADDR_NONE 0xffffffff
51    #endif
52    
53    int inet_aton(const char *cp, struct in_addr *addr)
54    {
55        addr->s_addr = inet_addr(cp);
56        return (addr->s_addr == INADDR_NONE) ? 0 : 1;
57    }
58    
59    DWORD main_thread;
60    #else
61  pthread_t   main_thread;  pthread_t   main_thread;
62    pid_t       main_pid;
63    #endif
64  bool bPrintStatistics = false;  bool bPrintStatistics = false;
65  bool profile = false;  bool profile = false;
66  bool tune = true;  bool tune = true;
67    unsigned long int lscp_addr;
68    unsigned short int lscp_port;
69    
70  void parse_options(int argc, char **argv);  void parse_options(int argc, char **argv);
71  void signal_handler(int signal);  void signal_handler(int signal);
# Line 51  int main(int argc, char **argv) { Line 76  int main(int argc, char **argv) {
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_thread = GetCurrentThreadId();
129        #else
130        main_pid = getpid();
131      main_thread = pthread_self();      main_thread = pthread_self();
132        #endif
133    
134      // setting signal handler for catching SIGINT (thus e.g. <CTRL><C>)      // setting signal handler for catching SIGINT (thus e.g. <CTRL><C>)
135      signal(SIGINT, signal_handler);      signal(SIGINT, signal_handler);
136    
137        #if defined(WIN32)
138        // FIXME: sigaction() not supported on WIN32, we ignore it for now
139        #else
140      // register signal handler for all unusual signals      // register signal handler for all unusual signals
141      // (we will print the stack trace and exit)      // (we will print the stack trace and exit)
142      struct sigaction sact;      struct sigaction sact;
# Line 68  int main(int argc, char **argv) { Line 149  int main(int argc, char **argv) {
149      sigaction(SIGFPE,  &sact, NULL);      sigaction(SIGFPE,  &sact, NULL);
150      sigaction(SIGUSR1, &sact, NULL);      sigaction(SIGUSR1, &sact, NULL);
151      sigaction(SIGUSR2, &sact, NULL);      sigaction(SIGUSR2, &sact, NULL);
152        #endif
153    
154        lscp_addr = htonl(LSCP_ADDR);
155        lscp_port = htons(LSCP_PORT);
156    
157      // parse and assign command line options      // parse and assign command line options
158      parse_options(argc, argv);      parse_options(argc, argv);
159    
160      dmsg(1,("LinuxSampler %s\n", VERSION));      dmsg(1,("LinuxSampler %s\n", VERSION));
161      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"));
162      dmsg(1,("Copyright (C) 2005 Christian Schoenebeck\n"));      dmsg(1,("Copyright (C) 2005-2007 Christian Schoenebeck\n"));
163    
164      if (tune)      if (tune) {
     {  
165          // detect and print system / CPU specific features          // detect and print system / CPU specific features
         String sFeatures;  
166          Features::detect();          Features::detect();
167  #if ARCH_X86          dmsg(1,("Detected features: %s\n", Features::featuresAsString().c_str()));
168          if (Features::supportsMMX()) sFeatures += " MMX";          // prevent slow denormal FPU modes
169          if (Features::supportsSSE()) sFeatures += " SSE";          Features::enableDenormalsAreZeroMode();
         if (Features::supportsSSE2()) {  
             sFeatures += " SSE2";  
   
             // enable denormals-are-zeros mode  
             int x;  
             __asm__ __volatile__ (  
                 "stmxcsr %0\n\t"  
                 "movl    %0, %%eax\n\t"  
                 "orl     $0x40, %%eax\n\t"  
                 "movl    %%eax, %0\n\t"  
                 "ldmxcsr %0\n\t"  
                 :: "m" (x)  
                 : "%eax"  
                 );  
         }  
 #endif // ARCH_X86  
         if (!sFeatures.size()) sFeatures = " None";  
         dmsg(1,("Detected features:%s\n",sFeatures.c_str()));  
170      }      }
171    
172      // create LinuxSampler instance      // create LinuxSampler instance
# Line 109  int main(int argc, char **argv) { Line 174  int main(int argc, char **argv) {
174      pSampler = new Sampler;      pSampler = new Sampler;
175      dmsg(1,("OK\n"));      dmsg(1,("OK\n"));
176    
177        dmsg(1,("Registered sampler engines: %s\n", EngineFactory::AvailableEngineTypesAsString().c_str()));
178      dmsg(1,("Registered MIDI input drivers: %s\n", MidiInputDeviceFactory::AvailableDriversAsString().c_str()));      dmsg(1,("Registered MIDI input drivers: %s\n", MidiInputDeviceFactory::AvailableDriversAsString().c_str()));
179      dmsg(1,("Registered audio output drivers: %s\n", AudioOutputDeviceFactory::AvailableDriversAsString().c_str()));      dmsg(1,("Registered audio output drivers: %s\n", AudioOutputDeviceFactory::AvailableDriversAsString().c_str()));
180        dmsg(1,("Registered instrument editors: %s\n", InstrumentEditorFactory::AvailableEditorsAsString().c_str()));
181    
182      // start LSCP network server      // start LSCP network server
183      dmsg(1,("Starting LSCP network server (on TCP port %d)...", LSCP_PORT));      struct in_addr addr;
184      pLSCPServer = new LSCPServer(pSampler);      addr.s_addr = lscp_addr;
185        dmsg(1,("Starting LSCP network server (%s:%d)...", inet_ntoa(addr), ntohs(lscp_port)));
186        pLSCPServer = new LSCPServer(pSampler, lscp_addr, lscp_port);
187      pLSCPServer->StartThread();      pLSCPServer->StartThread();
188      pLSCPServer->WaitUntilInitialized();      pLSCPServer->WaitUntilInitialized();
189      dmsg(1,("OK\n"));      dmsg(1,("OK\n"));
# Line 122  int main(int argc, char **argv) { Line 191  int main(int argc, char **argv) {
191      if (profile)      if (profile)
192      {      {
193          dmsg(1,("Calibrating profiler..."));          dmsg(1,("Calibrating profiler..."));
194          gig::Profiler::Calibrate();          LinuxSampler::gig::Profiler::Calibrate();
195          gig::Profiler::Reset();          LinuxSampler::gig::Profiler::Reset();
196            LinuxSampler::gig::Profiler::enable();
197          dmsg(1,("OK\n"));          dmsg(1,("OK\n"));
198      }      }
199    
200      printf("LinuxSampler initialization completed.\n");      printf("LinuxSampler initialization completed. :-)\n\n");
201    
202      std::list<LSCPEvent::event_t> rtEvents;      std::list<LSCPEvent::event_t> rtEvents;
203      rtEvents.push_back(LSCPEvent::event_voice_count);      rtEvents.push_back(LSCPEvent::event_voice_count);
204      rtEvents.push_back(LSCPEvent::event_stream_count);      rtEvents.push_back(LSCPEvent::event_stream_count);
205      rtEvents.push_back(LSCPEvent::event_buffer_fill);      rtEvents.push_back(LSCPEvent::event_buffer_fill);
206        rtEvents.push_back(LSCPEvent::event_total_voice_count);
207    
208      while (true) {      while (true) {
209          if (bPrintStatistics) {          if (bPrintStatistics) {
210              std::set<Engine*> engines = EngineFactory::EngineInstances();              const std::set<Engine*>& engines = EngineFactory::EngineInstances();
211              std::set<Engine*>::iterator itEngine = engines.begin();              std::set<Engine*>::iterator itEngine = engines.begin();
212              for (int i = 0; itEngine != engines.end(); itEngine++, i++) {              for (int i = 0; itEngine != engines.end(); itEngine++, i++) {
213                  Engine* pEngine = *itEngine;                  Engine* pEngine = *itEngine;
# Line 152  int main(int argc, char **argv) { Line 223  int main(int argc, char **argv) {
223        if (profile)        if (profile)
224        {        {
225            unsigned int samplingFreq = 48000; //FIXME: hardcoded for now            unsigned int samplingFreq = 48000; //FIXME: hardcoded for now
226            unsigned int bv = gig::Profiler::GetBogoVoices(samplingFreq);            unsigned int bv = LinuxSampler::gig::Profiler::GetBogoVoices(samplingFreq);
227            if (bv != 0)            if (bv != 0)
228            {            {
229                printf("       BogoVoices: %i         \r", bv);                printf("       BogoVoices: %i         \r", bv);
# Line 171  int main(int argc, char **argv) { Line 242  int main(int argc, char **argv) {
242                if (!pEngineChannel) continue;                if (!pEngineChannel) continue;
243                Engine* pEngine = pEngineChannel->GetEngine();                Engine* pEngine = pEngineChannel->GetEngine();
244                if (!pEngine) continue;                if (!pEngine) continue;
245                LSCPServer::SendLSCPNotify(LSCPEvent(LSCPEvent::event_voice_count, iter->first, pEngine->VoiceCount()));                pSampler->fireVoiceCountChanged(iter->first, pEngineChannel->GetVoiceCount());
246                LSCPServer::SendLSCPNotify(LSCPEvent(LSCPEvent::event_stream_count, iter->first, pEngine->DiskStreamCount()));                pSampler->fireStreamCountChanged(iter->first, pEngineChannel->GetDiskStreamCount());
247                LSCPServer::SendLSCPNotify(LSCPEvent(LSCPEvent::event_buffer_fill, iter->first, pEngine->DiskStreamBufferFillPercentage()));                pSampler->fireBufferFillChanged(iter->first, pEngine->DiskStreamBufferFillPercentage());
248                  pSampler->fireTotalVoiceCountChanged(pSampler->GetVoiceCount());
249            }            }
250            LSCPServer::UnlockRTNotify();            LSCPServer::UnlockRTNotify();
251        }        }
# Line 186  int main(int argc, char **argv) { Line 258  int main(int argc, char **argv) {
258  void signal_handler(int iSignal) {  void signal_handler(int iSignal) {
259      switch (iSignal) {      switch (iSignal) {
260          case SIGINT: {          case SIGINT: {
261                #if defined(WIN32)
262                if( GetCurrentThreadId() == main_thread ) {
263                #else
264              if (pthread_equal(pthread_self(), main_thread)) {              if (pthread_equal(pthread_self(), main_thread)) {
265                  if (pLSCPServer) {              #endif
266                      pLSCPServer->StopThread();                  if (pLSCPServer) pLSCPServer->StopThread();
267                      delete pLSCPServer;                  // the delete order here is important: the Sampler
268                  }                  // destructor sends notifications to the lscpserver
269                  if (pSampler) delete pSampler;                  if (pSampler) delete pSampler;
270                    if (pLSCPServer) delete pLSCPServer;
271    #if HAVE_SQLITE3
272                    InstrumentsDb::Destroy();
273    #endif
274                  printf("LinuxSampler stopped due to SIGINT.\n");                  printf("LinuxSampler stopped due to SIGINT.\n");
275                  exit(EXIT_SUCCESS);                  exit(EXIT_SUCCESS);
276              }              }
277              return;              return;
278          }          }
279            #if defined(WIN32)
280            // FIXME: under WIN32 we ignore the signals below due to the missing sigaction call
281            #else
282          case SIGSEGV:          case SIGSEGV:
283              std::cerr << ">>> FATAL ERROR: Segmentation fault (SIGSEGV) occured! <<<\n" << std::flush;              std::cerr << ">>> FATAL ERROR: Segmentation fault (SIGSEGV) occured! <<<\n" << std::flush;
284              break;              break;
# Line 215  void signal_handler(int iSignal) { Line 297  void signal_handler(int iSignal) {
297          case SIGUSR2:          case SIGUSR2:
298              std::cerr << ">>> User defined signal 2 (SIGUSR2) received <<<\n" << std::flush;              std::cerr << ">>> User defined signal 2 (SIGUSR2) received <<<\n" << std::flush;
299              break;              break;
300            #endif
301          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
302              std::cerr << ">>> FATAL ERROR: Unknown signal received! <<<\n" << std::flush;              std::cerr << ">>> FATAL ERROR: Unknown signal received! <<<\n" << std::flush;
303              break;              break;
# Line 229  void signal_handler(int iSignal) { Line 312  void signal_handler(int iSignal) {
312  }  }
313    
314  void kill_app() {  void kill_app() {
315      kill(main_thread, SIGKILL);      #if defined(WIN32)
316        // FIXME: do we need to do anything at this point under WIN32 ?  is exit(0) ok ?
317        exit(0);
318        #else
319        kill(main_pid, SIGKILL);
320        #endif
321  }  }
322    
323  void parse_options(int argc, char **argv) {  void parse_options(int argc, char **argv) {
# Line 242  void parse_options(int argc, char **argv Line 330  void parse_options(int argc, char **argv
330              {"profile",0,0,0},              {"profile",0,0,0},
331              {"no-tune",0,0,0},              {"no-tune",0,0,0},
332              {"statistics",0,0,0},              {"statistics",0,0,0},
333                {"instruments-db-location",1,0,0},
334                {"create-instruments-db",1,0,0},
335                {"lscp-addr",1,0,0},
336                {"lscp-port",1,0,0},
337              {0,0,0,0}              {0,0,0,0}
338          };          };
339    
# Line 256  void parse_options(int argc, char **argv Line 348  void parse_options(int argc, char **argv
348              switch(option_index) {              switch(option_index) {
349                  case 0: // --help                  case 0: // --help
350                      printf("usage: linuxsampler [OPTIONS]\n\n");                      printf("usage: linuxsampler [OPTIONS]\n\n");
351                      printf("--help             prints this message\n");                      printf("--help                      prints this message\n");
352                      printf("--version          prints version information\n");                      printf("--version                   prints version information\n");
353                      printf("--profile          profile synthesis algorithms\n");                      printf("--profile                   profile synthesis algorithms\n");
354                      printf("--no-tune          disable assembly optimization\n");                      printf("--no-tune                   disable assembly optimization\n");
355                      printf("--statistics       prints periodically statistics\n");                      printf("--statistics                periodically prints statistics\n");
356                        printf("--lscp-addr                 set LSCP address (default: any)\n");
357                        printf("--lscp-port                 set LSCP port (default: 8888)\n");
358                        printf("--create-instruments-db     creates an instruments DB\n");
359                        printf("--instruments-db-location   specifies the instruments DB file\n");
360                      exit(EXIT_SUCCESS);                      exit(EXIT_SUCCESS);
361                      break;                      break;
362                  case 1: // --version                  case 1: // --version
# Line 276  void parse_options(int argc, char **argv Line 372  void parse_options(int argc, char **argv
372                  case 4: // --statistics                  case 4: // --statistics
373                      bPrintStatistics = true;                      bPrintStatistics = true;
374                      break;                      break;
375                    case 5: // --instruments-db-location
376    #if HAVE_SQLITE3
377                        try {
378                            if (optarg) {
379                                struct stat statBuf;
380                                int res = stat(optarg, &statBuf);
381    
382                                if (res) {
383                                    std::stringstream ss;
384                                    ss << "Failed to stat `" << optarg << "`: " << strerror(errno);
385                                    throw Exception(ss.str());
386                                }
387    
388                                if (!S_ISREG(statBuf.st_mode)) {
389                                    std::stringstream ss;
390                                    ss << "`" << optarg << "` is not a regular file";
391                                    throw Exception(ss.str());
392                                }
393    
394                                InstrumentsDb::GetInstrumentsDb()->SetDbFile(String(optarg));
395                            }
396                        } catch(Exception e) {
397                            std::cerr << "Could not open instruments DB file: "
398                                      << e.Message() << std::endl;
399                            exit(EXIT_FAILURE);
400                        }
401                        break;
402    #else
403                        std::cerr << "LinuxSampler was not build with ";
404                        std::cerr << "instruments database support!\n";
405                        exit(EXIT_FAILURE);
406                        break;
407    #endif
408                    case 6: // --create-instruments-db
409    #if HAVE_SQLITE3
410                        try {
411                            if (optarg) {
412                                std::cout << "Creating instruments database..." << std::endl;
413                                InstrumentsDb::CreateInstrumentsDb(String(optarg));
414                                InstrumentsDb::Destroy();
415                                std::cout << "Done" << std::endl;
416                            }
417                        } catch(Exception e) {
418                            std::cerr << e.Message() << std::endl;
419                            exit(EXIT_FAILURE);
420                            return;
421                        }
422    
423                        exit(EXIT_SUCCESS);
424                        return;
425    #else
426                        std::cerr << "Failed to create the database. LinuxSampler was ";
427                        std::cerr << "not build with instruments database support!\n";
428                        exit(EXIT_FAILURE);
429                        return;
430    #endif
431                    case 7: // --lscp-addr
432                        struct in_addr addr;
433                        if (inet_aton(optarg, &addr) == 0)
434                            printf("WARNING: Failed to parse lscp-addr argument, ignoring!\n");
435                        else
436                            lscp_addr = addr.s_addr;
437                        break;
438                    case 8: // --lscp-port
439                        long unsigned int port = 0;
440                        if ((sscanf(optarg, "%u", &port) != 1) || (port == 0) || (port > 65535))
441                            printf("WARNING: Failed to parse lscp-port argument, ignoring!\n");
442                        else
443                            lscp_port = htons(port);
444                        break;
445              }              }
446          }          }
447      }      }
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