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

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revision 361 by schoenebeck, Wed Feb 9 01:22:18 2005 UTC revision 1541 by iliev, Tue Dec 4 18:09:26 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) 2005-2007 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 23  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"
35    #include "plugins/InstrumentEditorFactory.h"
36  #include "drivers/midi/MidiInputDeviceFactory.h"  #include "drivers/midi/MidiInputDeviceFactory.h"
37  #include "drivers/audio/AudioOutputDeviceFactory.h"  #include "drivers/audio/AudioOutputDeviceFactory.h"
38  #include "engines/gig/Profiler.h"  #include "engines/gig/Profiler.h"
39  #include "network/lscpserver.h"  #include "network/lscpserver.h"
40  #include "common/stacktrace.h"  #include "common/stacktrace.h"
41  #include "common/Features.h"  #include "common/Features.h"
42    #include "common/atomic.h"
43    
44  using namespace LinuxSampler;  using namespace LinuxSampler;
45    
46  Sampler*    pSampler    = NULL;  Sampler*    pSampler    = NULL;
47  LSCPServer* pLSCPServer = NULL;  LSCPServer* pLSCPServer = NULL;
48  pthread_t   main_thread;  #if defined(WIN32)
49    // inet_aton seems missing under WIN32
50    #ifndef INADDR_NONE
51    #define INADDR_NONE 0xffffffff
52    #endif
53    
54    int inet_aton(const char *cp, struct in_addr *addr)
55    {
56        addr->s_addr = inet_addr(cp);
57        return (addr->s_addr == INADDR_NONE) ? 0 : 1;
58    }
59    
60    #else
61    pid_t       main_pid;
62    #endif
63    bool bPrintStatistics = false;
64  bool profile = false;  bool profile = false;
65  bool tune = true;  bool tune = true;
66    unsigned long int lscp_addr;
67    unsigned short int lscp_port;
68    
69  void parse_options(int argc, char **argv);  void parse_options(int argc, char **argv);
70  void signal_handler(int signal);  void signal_handler(int signal);
71  void kill_app();  void kill_app();
72    static atomic_t running = ATOMIC_INIT(1);
73    
74  int main(int argc, char **argv) {  int main(int argc, char **argv) {
75    
76      // initialize the stack trace mechanism with our binary file      // initialize the stack trace mechanism with our binary file
77      StackTraceInit(argv[0], -1);      StackTraceInit(argv[0], -1);
78    
79      main_thread = pthread_self();      #if defined(WIN32)
80        // some WIN32 memory info code which tries to determine the maximum lockable amount of memory (for debug purposes)
81        SYSTEM_INFO siSysInfo;
82        long physical_memory;
83        GetSystemInfo(&siSysInfo);
84        dmsg(1,("page size=%d\n", siSysInfo.dwPageSize));
85    
86        MEMORYSTATUSEX statex;
87            statex.dwLength = sizeof (statex);
88        GlobalMemoryStatusEx (&statex);
89        dmsg(1, ("There are %*I64d total Kbytes of physical memory.\n",
90              8, statex.ullTotalPhys));
91        dmsg(1, ("There are %*I64d free Kbytes of physical memory.\n",
92              8, statex.ullAvailPhys));
93        physical_memory = statex.ullTotalPhys;
94    
95        HANDLE hProcess = GetCurrentProcess();
96    
97        unsigned long MinimumWorkingSetSize, MaximumWorkingSetSize;
98        unsigned long DefaultMinimumWorkingSetSize, DefaultMaximumWorkingSetSize;
99        unsigned long RequestedMinimumWorkingSetSize, RequestedMaximumWorkingSetSize;
100        int res;
101    
102        res = GetProcessWorkingSetSize(hProcess, &DefaultMinimumWorkingSetSize, &DefaultMaximumWorkingSetSize);
103    
104        RequestedMaximumWorkingSetSize = physical_memory - 2*1024*1024;
105        RequestedMinimumWorkingSetSize = RequestedMaximumWorkingSetSize;
106    
107        for(;;) {
108            dmsg(2,("TRYING VALUES  RequestedMinimumWorkingSetSize=%d, RequestedMaximumWorkingSetSize=%d\n", RequestedMinimumWorkingSetSize, RequestedMaximumWorkingSetSize));
109            res = SetProcessWorkingSetSize(hProcess, RequestedMinimumWorkingSetSize, RequestedMaximumWorkingSetSize);
110            dmsg(2,("AFTER SET: res = %d  RequestedMinimumWorkingSetSize=%d, RequestedMaximumWorkingSetSize=%d\n", res,RequestedMinimumWorkingSetSize, RequestedMaximumWorkingSetSize));
111    
112            res = GetProcessWorkingSetSize(hProcess, &MinimumWorkingSetSize, &MaximumWorkingSetSize);
113            dmsg(2,("AFTER GET: res = %d  MinimumWorkingSetSize=%d, MaximumWorkingSetSize=%d\n", res,MinimumWorkingSetSize, MaximumWorkingSetSize));
114    
115            if( RequestedMinimumWorkingSetSize == MinimumWorkingSetSize ) {
116                dmsg(2,("RequestedMinimumWorkingSetSize == MinimumWorkingSetSize. OK !\n"));
117                break;
118            }
119    
120            RequestedMinimumWorkingSetSize -=  10*1024*1024;
121            if(RequestedMinimumWorkingSetSize < DefaultMinimumWorkingSetSize) break;
122        }
123    
124        dmsg(1,("AFTER GetProcessWorkingSetSize: res = %d  MinimumWorkingSetSize=%d, MaximumWorkingSetSize=%d\n", res,MinimumWorkingSetSize, MaximumWorkingSetSize));
125        #endif
126    
127        #if !defined(WIN32)
128        main_pid = getpid();
129        #endif
130    
131      // setting signal handler for catching SIGINT (thus e.g. <CTRL><C>)      // setting signal handler for catching SIGINT (thus e.g. <CTRL><C>)
132      signal(SIGINT, signal_handler);      signal(SIGINT, signal_handler);
133    
134        #if defined(WIN32)
135        // FIXME: sigaction() not supported on WIN32, we ignore it for now
136        #else
137      // register signal handler for all unusual signals      // register signal handler for all unusual signals
138      // (we will print the stack trace and exit)      // (we will print the stack trace and exit)
139      struct sigaction sact;      struct sigaction sact;
# Line 65  int main(int argc, char **argv) { Line 146  int main(int argc, char **argv) {
146      sigaction(SIGFPE,  &sact, NULL);      sigaction(SIGFPE,  &sact, NULL);
147      sigaction(SIGUSR1, &sact, NULL);      sigaction(SIGUSR1, &sact, NULL);
148      sigaction(SIGUSR2, &sact, NULL);      sigaction(SIGUSR2, &sact, NULL);
149        #endif
150    
151        lscp_addr = htonl(LSCP_ADDR);
152        lscp_port = htons(LSCP_PORT);
153    
154      // parse and assign command line options      // parse and assign command line options
155      parse_options(argc, argv);      parse_options(argc, argv);
156    
157      dmsg(1,("LinuxSampler %s\n", VERSION));      dmsg(1,("LinuxSampler %s\n", VERSION));
158      dmsg(1,("Copyright (C) 2003, 2004 by Benno Senoner and Christian Schoenebeck\n"));      dmsg(1,("Copyright (C) 2003,2004 by Benno Senoner and Christian Schoenebeck\n"));
159        dmsg(1,("Copyright (C) 2005-2007 Christian Schoenebeck\n"));
160    
161      if (tune)      if (tune) {
162      {          // detect and print system / CPU specific features
163              // detect and print system / CPU specific features          Features::detect();
164              String sFeatures;          dmsg(1,("Detected features: %s\n", Features::featuresAsString().c_str()));
165              Features::detect();          // prevent slow denormal FPU modes
166  #if ARCH_X86          Features::enableDenormalsAreZeroMode();
             if (Features::supportsMMX()) sFeatures += " MMX";  
             if (Features::supportsSSE()) sFeatures += " SSE";  
 #endif // ARCH_X86  
             if (!sFeatures.size()) sFeatures = " None";  
             dmsg(1,("Detected features:%s\n",sFeatures.c_str()));  
167      }      }
168    
169      // create LinuxSampler instance      // create LinuxSampler instance
# Line 90  int main(int argc, char **argv) { Line 171  int main(int argc, char **argv) {
171      pSampler = new Sampler;      pSampler = new Sampler;
172      dmsg(1,("OK\n"));      dmsg(1,("OK\n"));
173    
174        dmsg(1,("Registered sampler engines: %s\n", EngineFactory::AvailableEngineTypesAsString().c_str()));
175      dmsg(1,("Registered MIDI input drivers: %s\n", MidiInputDeviceFactory::AvailableDriversAsString().c_str()));      dmsg(1,("Registered MIDI input drivers: %s\n", MidiInputDeviceFactory::AvailableDriversAsString().c_str()));
176      dmsg(1,("Registered audio output drivers: %s\n", AudioOutputDeviceFactory::AvailableDriversAsString().c_str()));      dmsg(1,("Registered audio output drivers: %s\n", AudioOutputDeviceFactory::AvailableDriversAsString().c_str()));
177        dmsg(1,("Registered instrument editors: %s\n", InstrumentEditorFactory::AvailableEditorsAsString().c_str()));
178    
179      // start LSCP network server      // start LSCP network server
180      dmsg(1,("Starting LSCP network server (on TCP port %d)...", LSCP_PORT));      struct in_addr addr;
181      pLSCPServer = new LSCPServer(pSampler);      addr.s_addr = lscp_addr;
182        dmsg(1,("Starting LSCP network server (%s:%d)...", inet_ntoa(addr), ntohs(lscp_port)));
183        pLSCPServer = new LSCPServer(pSampler, lscp_addr, lscp_port);
184      pLSCPServer->StartThread();      pLSCPServer->StartThread();
185      pLSCPServer->WaitUntilInitialized();      pLSCPServer->WaitUntilInitialized();
186      dmsg(1,("OK\n"));      dmsg(1,("OK\n"));
187    
188      if (profile)      if (profile)
189      {      {
190              dmsg(1,("Calibrating profiler..."));          dmsg(1,("Calibrating profiler..."));
191              gig::Profiler::Calibrate();          LinuxSampler::gig::Profiler::Calibrate();
192              gig::Profiler::Reset();          LinuxSampler::gig::Profiler::Reset();
193              dmsg(1,("OK\n"));          LinuxSampler::gig::Profiler::enable();
194            dmsg(1,("OK\n"));
195      }      }
196    
197      printf("LinuxSampler initialization completed.\n");      printf("LinuxSampler initialization completed. :-)\n\n");
198    
199      std::list<LSCPEvent::event_t> rtEvents;      std::list<LSCPEvent::event_t> rtEvents;
200      rtEvents.push_back(LSCPEvent::event_voice_count);      rtEvents.push_back(LSCPEvent::event_voice_count);
201      rtEvents.push_back(LSCPEvent::event_stream_count);      rtEvents.push_back(LSCPEvent::event_stream_count);
202      rtEvents.push_back(LSCPEvent::event_buffer_fill);      rtEvents.push_back(LSCPEvent::event_buffer_fill);
203        rtEvents.push_back(LSCPEvent::event_total_voice_count);
204    
205      while(true)      while (atomic_read(&running)) {
206      {          if (bPrintStatistics) {
207        /*printf("Voices: %3.3d (Max: %3.3d) Streams: %3.3d (Max: %3.3d, Unused: %3.3d)\r",              const std::set<Engine*>& engines = EngineFactory::EngineInstances();
208              pEngine->ActiveVoiceCount, pEngine->ActiveVoiceCountMax,              std::set<Engine*>::iterator itEngine = engines.begin();
209              pEngine->pDiskThread->ActiveStreamCount, pEngine->pDiskThread->ActiveStreamCountMax, Stream::GetUnusedStreams());              for (int i = 0; itEngine != engines.end(); itEngine++, i++) {
210        fflush(stdout);*/                  Engine* pEngine = *itEngine;
211        sleep(1);                  printf("Engine %d) Voices: %3.3d (Max: %3.3d) Streams: %3.3d (Max: %3.3d)\n", i,
212        if (profile)                      pEngine->VoiceCount(), pEngine->VoiceCountMax(),
213        {                      pEngine->DiskStreamCount(), pEngine->DiskStreamCountMax()
214                unsigned int samplingFreq = 48000; //FIXME: hardcoded for now                  );
215                unsigned int bv = gig::Profiler::GetBogoVoices(samplingFreq);                  fflush(stdout);
216                if (bv != 0)              }
217                {          }
                       printf("       BogoVoices: %i         \r", bv);  
                       fflush(stdout);  
               }  
       }  
         
       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;  
                       Engine* pEngine = pSamplerChannel->GetEngine();  
                       if (!pEngine) continue;  
                       LSCPServer::SendLSCPNotify(LSCPEvent(LSCPEvent::event_voice_count, iter->first, pEngine->VoiceCount()));  
                       LSCPServer::SendLSCPNotify(LSCPEvent(LSCPEvent::event_stream_count, iter->first, pEngine->DiskStreamCount()));  
                       LSCPServer::SendLSCPNotify(LSCPEvent(LSCPEvent::event_buffer_fill, iter->first, pEngine->DiskStreamBufferFillPercentage()));  
               }  
               LSCPServer::UnlockRTNotify();  
       }  
218    
219      }          sleep(1);
220            if (profile)
221            {
222                unsigned int samplingFreq = 48000; //FIXME: hardcoded for now
223                unsigned int bv = LinuxSampler::gig::Profiler::GetBogoVoices(samplingFreq);
224                if (bv != 0)
225                {
226                    printf("       BogoVoices: %i         \r", bv);
227                    fflush(stdout);
228                }
229            }
230    
231            if (LSCPServer::EventSubscribers(rtEvents))
232            {
233                LSCPServer::LockRTNotify();
234                std::map<uint,SamplerChannel*> channels = pSampler->GetSamplerChannels();
235                std::map<uint,SamplerChannel*>::iterator iter = channels.begin();
236                for (; iter != channels.end(); iter++) {
237                    SamplerChannel* pSamplerChannel = iter->second;
238                    EngineChannel* pEngineChannel = pSamplerChannel->GetEngineChannel();
239                    if (!pEngineChannel) continue;
240                    Engine* pEngine = pEngineChannel->GetEngine();
241                    if (!pEngine) continue;
242                    pSampler->fireVoiceCountChanged(iter->first, pEngineChannel->GetVoiceCount());
243                    pSampler->fireStreamCountChanged(iter->first, pEngineChannel->GetDiskStreamCount());
244                    pSampler->fireBufferFillChanged(iter->first, pEngine->DiskStreamBufferFillPercentage());
245                    pSampler->fireTotalStreamCountChanged(pSampler->GetDiskStreamCount());
246                    pSampler->fireTotalVoiceCountChanged(pSampler->GetVoiceCount());
247                }
248                LSCPServer::UnlockRTNotify();
249            }
250        }
251        if (pLSCPServer) pLSCPServer->StopThread();
252        // the delete order here is important: the Sampler
253        // destructor sends notifications to the lscpserver
254        if (pSampler) delete pSampler;
255        if (pLSCPServer) delete pLSCPServer;
256    #if HAVE_SQLITE3
257        InstrumentsDb::Destroy();
258    #endif
259        printf("LinuxSampler stopped due to SIGINT.\n");
260      return EXIT_SUCCESS;      return EXIT_SUCCESS;
261  }  }
262    
263  void signal_handler(int iSignal) {  void signal_handler(int iSignal) {
264      switch (iSignal) {      switch (iSignal) {
265          case SIGINT: {          case SIGINT:
266              if (pthread_equal(pthread_self(), main_thread)) {              atomic_set(&running, 0);
                 if (pLSCPServer) {  
                     pLSCPServer->StopThread();  
                     delete pLSCPServer;  
                 }  
                 if (pSampler) delete pSampler;  
                 printf("LinuxSampler stopped due to SIGINT.\n");  
                 exit(EXIT_SUCCESS);  
             }  
267              return;              return;
268          }          #if defined(WIN32)
269            // FIXME: under WIN32 we ignore the signals below due to the missing sigaction call
270            #else
271          case SIGSEGV:          case SIGSEGV:
272              std::cerr << ">>> FATAL ERROR: Segmentation fault (SIGSEGV) occured! <<<\n" << std::flush;              std::cerr << ">>> FATAL ERROR: Segmentation fault (SIGSEGV) occured! <<<\n" << std::flush;
273              break;              break;
# Line 186  void signal_handler(int iSignal) { Line 286  void signal_handler(int iSignal) {
286          case SIGUSR2:          case SIGUSR2:
287              std::cerr << ">>> User defined signal 2 (SIGUSR2) received <<<\n" << std::flush;              std::cerr << ">>> User defined signal 2 (SIGUSR2) received <<<\n" << std::flush;
288              break;              break;
289            #endif
290          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
291              std::cerr << ">>> FATAL ERROR: Unknown signal received! <<<\n" << std::flush;              std::cerr << ">>> FATAL ERROR: Unknown signal received! <<<\n" << std::flush;
292              break;              break;
# Line 200  void signal_handler(int iSignal) { Line 301  void signal_handler(int iSignal) {
301  }  }
302    
303  void kill_app() {  void kill_app() {
304      kill(main_thread, SIGKILL);      #if defined(WIN32)
305        // FIXME: do we need to do anything at this point under WIN32 ?  is exit(0) ok ?
306        exit(0);
307        #else
308        kill(main_pid, SIGKILL);
309        #endif
310  }  }
311    
312  void parse_options(int argc, char **argv) {  void parse_options(int argc, char **argv) {
# Line 212  void parse_options(int argc, char **argv Line 318  void parse_options(int argc, char **argv
318              {"version",0,0,0},              {"version",0,0,0},
319              {"profile",0,0,0},              {"profile",0,0,0},
320              {"no-tune",0,0,0},              {"no-tune",0,0,0},
321                {"statistics",0,0,0},
322                {"instruments-db-location",1,0,0},
323                {"create-instruments-db",1,0,0},
324                {"lscp-addr",1,0,0},
325                {"lscp-port",1,0,0},
326              {0,0,0,0}              {0,0,0,0}
327          };          };
328    
# Line 226  void parse_options(int argc, char **argv Line 337  void parse_options(int argc, char **argv
337              switch(option_index) {              switch(option_index) {
338                  case 0: // --help                  case 0: // --help
339                      printf("usage: linuxsampler [OPTIONS]\n\n");                      printf("usage: linuxsampler [OPTIONS]\n\n");
340                      printf("--help             prints this message\n");                      printf("--help                      prints this message\n");
341                      printf("--version          prints version information\n");                      printf("--version                   prints version information\n");
342                      printf("--profile          profile synthesis algorithms\n");                      printf("--profile                   profile synthesis algorithms\n");
343                      printf("--no-tune          disable assembly optimization\n");                      printf("--no-tune                   disable assembly optimization\n");
344                        printf("--statistics                periodically prints statistics\n");
345                        printf("--lscp-addr                 set LSCP address (default: any)\n");
346                        printf("--lscp-port                 set LSCP port (default: 8888)\n");
347                        printf("--create-instruments-db     creates an instruments DB\n");
348                        printf("--instruments-db-location   specifies the instruments DB file\n");
349                      exit(EXIT_SUCCESS);                      exit(EXIT_SUCCESS);
350                      break;                      break;
351                  case 1: // --version                  case 1: // --version
# Line 237  void parse_options(int argc, char **argv Line 353  void parse_options(int argc, char **argv
353                      exit(EXIT_SUCCESS);                      exit(EXIT_SUCCESS);
354                      break;                      break;
355                  case 2: // --profile                  case 2: // --profile
356                      profile = true;                      profile = true;
357                      break;                      break;
358                  case 3: // --no-tune                  case 3: // --no-tune
359                      tune = false;                      tune = false;
360                        break;
361                    case 4: // --statistics
362                        bPrintStatistics = true;
363                        break;
364                    case 5: // --instruments-db-location
365    #if HAVE_SQLITE3
366                        try {
367                            if (optarg) {
368                                struct stat statBuf;
369                                int res = stat(optarg, &statBuf);
370    
371                                if (res) {
372                                    std::stringstream ss;
373                                    ss << "Failed to stat `" << optarg << "`: " << strerror(errno);
374                                    throw Exception(ss.str());
375                                }
376    
377                                if (!S_ISREG(statBuf.st_mode)) {
378                                    std::stringstream ss;
379                                    ss << "`" << optarg << "` is not a regular file";
380                                    throw Exception(ss.str());
381                                }
382    
383                                InstrumentsDb::GetInstrumentsDb()->SetDbFile(String(optarg));
384                            }
385                        } catch(Exception e) {
386                            std::cerr << "Could not open instruments DB file: "
387                                      << e.Message() << std::endl;
388                            exit(EXIT_FAILURE);
389                        }
390                        break;
391    #else
392                        std::cerr << "LinuxSampler was not build with ";
393                        std::cerr << "instruments database support!\n";
394                        exit(EXIT_FAILURE);
395                        break;
396    #endif
397                    case 6: // --create-instruments-db
398    #if HAVE_SQLITE3
399                        try {
400                            if (optarg) {
401                                std::cout << "Creating instruments database..." << std::endl;
402                                InstrumentsDb::CreateInstrumentsDb(String(optarg));
403                                InstrumentsDb::Destroy();
404                                std::cout << "Done" << std::endl;
405                            }
406                        } catch(Exception e) {
407                            std::cerr << e.Message() << std::endl;
408                            exit(EXIT_FAILURE);
409                            return;
410                        }
411    
412                        exit(EXIT_SUCCESS);
413                        return;
414    #else
415                        std::cerr << "Failed to create the database. LinuxSampler was ";
416                        std::cerr << "not build with instruments database support!\n";
417                        exit(EXIT_FAILURE);
418                        return;
419    #endif
420                    case 7: // --lscp-addr
421                        struct in_addr addr;
422                        if (inet_aton(optarg, &addr) == 0)
423                            printf("WARNING: Failed to parse lscp-addr argument, ignoring!\n");
424                        else
425                            lscp_addr = addr.s_addr;
426                        break;
427                    case 8: // --lscp-port
428                        long unsigned int port = 0;
429                        if ((sscanf(optarg, "%u", &port) != 1) || (port == 0) || (port > 65535))
430                            printf("WARNING: Failed to parse lscp-port argument, ignoring!\n");
431                        else
432                            lscp_port = htons(port);
433                      break;                      break;
434              }              }
435          }          }
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