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

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revision 33 by schoenebeck, Mon Feb 16 19:30:42 2004 UTC revision 41 by schoenebeck, Wed Mar 31 10:28:42 2004 UTC
# Line 20  Line 20 
20   *   MA  02111-1307  USA                                                   *   *   MA  02111-1307  USA                                                   *
21   ***************************************************************************/   ***************************************************************************/
22    
 #include <stdio.h>  
 #include <stdlib.h>  
 #include <unistd.h>  
23  #include <getopt.h>  #include <getopt.h>
24  #include <signal.h>  #include <signal.h>
 #include <pthread.h>  
25    
26  #include "global.h"  #include "global.h"
27  #include "diskthread.h"  #include "diskthread.h"
# Line 36  Line 32 
32  #include "stream.h"  #include "stream.h"
33  #include "RIFF.h"  #include "RIFF.h"
34  #include "gig.h"  #include "gig.h"
35    #include "network/lscpserver.h"
36    
37  #define AUDIO_CHANNELS          2     // stereo  #define AUDIO_CHANNELS          2     // stereo
38  #define AUDIO_FRAGMENTS         3     // 3 fragments, if it does not work set it to 2  #define AUDIO_FRAGMENTS         3     // 3 fragments, if it does not work set it to 2
# Line 46  enum patch_format_t { Line 43  enum patch_format_t {
43      patch_format_unknown,      patch_format_unknown,
44      patch_format_gig,      patch_format_gig,
45      patch_format_dls      patch_format_dls
46  } patch_format;  } patch_format = patch_format_unknown;
47    
48  AudioIO*         pAudioIO;  AudioIO*     pAudioIO         = NULL;
49  DiskThread*      pDiskThread;  MidiIn*      pMidiInThread    = NULL;
50  AudioThread*     pAudioThread;  LSCPServer*  pLSCPServer      = NULL;
51  MidiIn*          pMidiInThread;  AudioThread* pEngine          = NULL;
52  RIFF::File*      pRIFF;  uint         instrument_index = 0;
53  gig::File*       pGig;  double       volume           = 0.25;
54  gig::Instrument* pInstrument;  int          num_fragments    = AUDIO_FRAGMENTS;
55  uint             instrument_index;  int          fragmentsize     = AUDIO_FRAGMENTSIZE;
56  double           volume;  uint         samplerate       = AUDIO_SAMPLERATE;
57  int              num_fragments;  String       input_client;
58  int              fragmentsize;  String       alsaout          = "0,0"; // default card
59  String           input_client;  String       jack_playback[2] = { "", "" };
60  String           alsaout;  bool         use_jack         = true;
61  String           jack_playback[2];  bool         run_server       = false;
62  bool             use_jack;  pthread_t    signalhandlerthread;
 pthread_t        signalhandlerthread;  
 uint             samplerate;  
63    
64  void parse_options(int argc, char **argv);  void parse_options(int argc, char **argv);
65  void signal_handler(int signal);  void signal_handler(int signal);
66    
67  int main(int argc, char **argv) {  int main(int argc, char **argv) {
     pAudioIO = NULL;  
     pRIFF    = NULL;  
     pGig     = NULL;  
68    
69      // setting signal handler for catching SIGINT (thus e.g. <CTRL><C>)      // setting signal handler for catching SIGINT (thus e.g. <CTRL><C>)
70      signalhandlerthread = pthread_self();      signalhandlerthread = pthread_self();
71      signal(SIGINT, signal_handler);      signal(SIGINT, signal_handler);
72    
     patch_format      = patch_format_unknown;  
     instrument_index  = 0;  
     num_fragments     = AUDIO_FRAGMENTS;  
     fragmentsize      = AUDIO_FRAGMENTSIZE;  
     volume            = 0.25; // default volume  
     alsaout           = "0,0"; // default card  
     jack_playback[0]  = "";  
     jack_playback[1]  = "";  
     samplerate        = AUDIO_SAMPLERATE;  
     use_jack          = true;  
   
73      // parse and assign command line options      // parse and assign command line options
74      parse_options(argc, argv);      parse_options(argc, argv);
75    
# Line 115  int main(int argc, char **argv) { Line 96  int main(int argc, char **argv) {
96      }      }
97      dmsg(1,("OK\n"));      dmsg(1,("OK\n"));
98    
99      // Loading gig file      AudioThread* pEngine       = new AudioThread(pAudioIO);
100      try {      MidiIn*      pMidiInThread = new MidiIn(pEngine);
         printf("Loading gig file...");  
         fflush(stdout);  
         pRIFF       = new RIFF::File(argv[argc - 1]);  
         pGig        = new gig::File(pRIFF);  
         pInstrument = pGig->GetInstrument(instrument_index);  
         if (!pInstrument) {  
             printf("there's no instrument with index %d.\n", instrument_index);  
             exit(EXIT_FAILURE);  
         }  
         pGig->GetFirstSample(); // just to complete instrument loading before we enter the realtime part  
         printf("OK\n");  
         fflush(stdout);  
     }  
     catch (RIFF::Exception e) {  
         e.PrintMessage();  
         return EXIT_FAILURE;  
     }  
     catch (...) {  
         printf("Unknown exception while trying to parse gig file.\n");  
         return EXIT_FAILURE;  
     }  
101    
102      DiskThread*  pDiskThread   = new DiskThread(((pAudioIO->MaxSamplesPerCycle() << MAX_PITCH) << 1) + 6); //FIXME: assuming stereo      // Loading gig file
103      AudioThread* pAudioThread  = new AudioThread(pAudioIO, pDiskThread, pInstrument);      result_t result = pEngine->LoadInstrument(argv[argc - 1], instrument_index);
104      MidiIn*      pMidiInThread = new MidiIn(pAudioThread);      if (result.type == result_type_error) return EXIT_FAILURE;
105        pEngine->Volume = volume;
106    
     dmsg(1,("Starting disk thread..."));  
     pDiskThread->StartThread();  
     dmsg(1,("OK\n"));  
107      dmsg(1,("Starting MIDI in thread..."));      dmsg(1,("Starting MIDI in thread..."));
108      if (input_client.size() > 0) pMidiInThread->SubscribeToClient(input_client.c_str());      if (input_client.size() > 0) pMidiInThread->SubscribeToClient(input_client.c_str());
109      pMidiInThread->StartThread();      pMidiInThread->StartThread();
110      dmsg(1,("OK\n"));      dmsg(1,("OK\n"));
111    
112      sleep(1);      sleep(1);
113    
114      dmsg(1,("Starting audio thread..."));      dmsg(1,("Starting audio thread..."));
115      pAudioThread->Volume = volume;      pAudioIO->AssignEngine(pEngine);
     pAudioIO->AssignEngine(pAudioThread);  
116      pAudioIO->Activate();      pAudioIO->Activate();
117      dmsg(1,("OK\n"));      dmsg(1,("OK\n"));
118    
119        if (run_server) {
120            dmsg(1,("Starting network server..."));
121            pLSCPServer = new LSCPServer(pEngine);
122            pLSCPServer->StartThread();
123            dmsg(1,("OK\n"));
124        }
125    
126      printf("LinuxSampler initialization completed.\n");      printf("LinuxSampler initialization completed.\n");
127    
128      while(true)  {      while(true)  {
129        printf("Voices: %3.3d (Max: %3.3d) Streams: %3.3d (Max: %3.3d, Unused: %3.3d)\r",        printf("Voices: %3.3d (Max: %3.3d) Streams: %3.3d (Max: %3.3d, Unused: %3.3d)\r",
130              pAudioThread->ActiveVoiceCount, pAudioThread->ActiveVoiceCountMax,              pEngine->ActiveVoiceCount, pEngine->ActiveVoiceCountMax,
131              pDiskThread->ActiveStreamCount, pDiskThread->ActiveStreamCountMax, Stream::GetUnusedStreams());              pEngine->pDiskThread->ActiveStreamCount, pEngine->pDiskThread->ActiveStreamCountMax, Stream::GetUnusedStreams());
132        fflush(stdout);        fflush(stdout);
133        usleep(500000);        usleep(500000);
134      }      }
# Line 176  void signal_handler(int signal) { Line 141  void signal_handler(int signal) {
141          // stop all threads          // stop all threads
142          if (pAudioIO)      pAudioIO->Close();          if (pAudioIO)      pAudioIO->Close();
143          if (pMidiInThread) pMidiInThread->StopThread();          if (pMidiInThread) pMidiInThread->StopThread();
         if (pDiskThread)   pDiskThread->StopThread();  
144    
145          // free all resources          // free all resources
146          if (pMidiInThread) delete pMidiInThread;          if (pMidiInThread) delete pMidiInThread;
147          if (pAudioThread)  delete pAudioThread;          if (pEngine)       delete pEngine;
         if (pDiskThread)   delete pDiskThread;  
         if (pGig)          delete pGig;  
         if (pRIFF)         delete pRIFF;  
148          if (pAudioIO)      delete pAudioIO;          if (pAudioIO)      delete pAudioIO;
149    
150          printf("LinuxSampler stopped due to SIGINT\n");          printf("LinuxSampler stopped due to SIGINT\n");
# Line 206  void parse_options(int argc, char **argv Line 167  void parse_options(int argc, char **argv
167              {"alsaout",1,0,0},              {"alsaout",1,0,0},
168              {"jackout",1,0,0},              {"jackout",1,0,0},
169              {"samplerate",1,0,0},              {"samplerate",1,0,0},
170                {"server",0,0,0},
171              {"help",0,0,0},              {"help",0,0,0},
172              {0,0,0,0}              {0,0,0,0}
173          };          };
# Line 263  void parse_options(int argc, char **argv Line 225  void parse_options(int argc, char **argv
225                  case 9: // --samplerate                  case 9: // --samplerate
226                      samplerate = atoi(optarg);                      samplerate = atoi(optarg);
227                      break;                      break;
228                  case 10: // --help                  case 10: // --server
229                        run_server = true;
230                        break;
231                    case 11: // --help
232                      printf("usage: linuxsampler [OPTIONS] <INSTRUMENTFILE>\n\n");                      printf("usage: linuxsampler [OPTIONS] <INSTRUMENTFILE>\n\n");
233                      printf("--gig              loads a Gigasampler instrument\n");                      printf("--gig              loads a Gigasampler instrument\n");
234                      printf("--dls              loads a DLS instrument\n");                      printf("--dls              loads a DLS instrument\n");
# Line 283  void parse_options(int argc, char **argv Line 248  void parse_options(int argc, char **argv
248                      printf("                   in case of stereo output)\n");                      printf("                   in case of stereo output)\n");
249                      printf("--samplerate       sets sample rate if supported by audio output system\n");                      printf("--samplerate       sets sample rate if supported by audio output system\n");
250                      printf("                   (e.g. 44100)\n");                      printf("                   (e.g. 44100)\n");
251                        printf("--server           launch network server for remote control\n");
252                      exit(EXIT_SUCCESS);                      exit(EXIT_SUCCESS);
253                      break;                      break;
254              }              }
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