/[svn]/linuxsampler/trunk/src/engines/gig/Engine.cpp
ViewVC logotype

Diff of /linuxsampler/trunk/src/engines/gig/Engine.cpp

Parent Directory Parent Directory | Revision Log Revision Log | View Patch Patch

revision 1789 by iliev, Sat Nov 1 19:01:27 2008 UTC revision 1860 by schoenebeck, Wed Mar 11 18:23:35 2009 UTC
# Line 3  Line 3 
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) 2005-2008 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 107  namespace LinuxSampler { namespace gig { Line 107  namespace LinuxSampler { namespace gig {
107          pSysexBuffer       = new RingBuffer<uint8_t,false>(CONFIG_SYSEX_BUFFER_SIZE, 0);          pSysexBuffer       = new RingBuffer<uint8_t,false>(CONFIG_SYSEX_BUFFER_SIZE, 0);
108          pEventQueue        = new RingBuffer<Event,false>(CONFIG_MAX_EVENTS_PER_FRAGMENT, 0);          pEventQueue        = new RingBuffer<Event,false>(CONFIG_MAX_EVENTS_PER_FRAGMENT, 0);
109          pEventPool         = new Pool<Event>(CONFIG_MAX_EVENTS_PER_FRAGMENT);          pEventPool         = new Pool<Event>(CONFIG_MAX_EVENTS_PER_FRAGMENT);
110          pVoicePool         = new Pool<Voice>(CONFIG_MAX_VOICES);          pVoicePool         = new Pool<Voice>(GLOBAL_MAX_VOICES);
111          pDimRegionPool[0]  = new Pool< ::gig::DimensionRegion*>(CONFIG_MAX_VOICES);          pDimRegionPool[0]  = new Pool< ::gig::DimensionRegion*>(GLOBAL_MAX_VOICES);
112          pDimRegionPool[1]  = new Pool< ::gig::DimensionRegion*>(CONFIG_MAX_VOICES);          pDimRegionPool[1]  = new Pool< ::gig::DimensionRegion*>(GLOBAL_MAX_VOICES);
113          pVoiceStealingQueue = new RTList<Event>(pEventPool);          pVoiceStealingQueue = new RTList<Event>(pEventPool);
114          pGlobalEvents      = new RTList<Event>(pEventPool);          pGlobalEvents      = new RTList<Event>(pEventPool);
115            iMaxDiskStreams    = GLOBAL_MAX_STREAMS;
116    
117          for (RTList<Voice>::Iterator iterVoice = pVoicePool->allocAppend(); iterVoice == pVoicePool->last(); iterVoice = pVoicePool->allocAppend()) {          for (RTList<Voice>::Iterator iterVoice = pVoicePool->allocAppend(); iterVoice == pVoicePool->last(); iterVoice = pVoicePool->allocAppend()) {
118              iterVoice->SetEngine(this);              iterVoice->SetEngine(this);
# Line 342  namespace LinuxSampler { namespace gig { Line 343  namespace LinuxSampler { namespace gig {
343       * @param pAudioOut - audio output device to connect to       * @param pAudioOut - audio output device to connect to
344       */       */
345      void Engine::Connect(AudioOutputDevice* pAudioOut) {      void Engine::Connect(AudioOutputDevice* pAudioOut) {
346            // caution: don't ignore if connecting to the same device here,
347            // because otherwise SetMaxDiskStreams() implementation won't work anymore!
348    
349          pAudioOutputDevice = pAudioOut;          pAudioOutputDevice = pAudioOut;
350    
351          ResetInternal();          ResetInternal();
# Line 380  namespace LinuxSampler { namespace gig { Line 384  namespace LinuxSampler { namespace gig {
384              delete this->pDiskThread;              delete this->pDiskThread;
385              dmsg(1,("OK\n"));              dmsg(1,("OK\n"));
386          }          }
387          this->pDiskThread = new DiskThread(((pAudioOut->MaxSamplesPerCycle() << CONFIG_MAX_PITCH) << 1) + 6, //FIXME: assuming stereo          this->pDiskThread =
388                                             &instruments);              new DiskThread(
389                    iMaxDiskStreams,
390                    ((pAudioOut->MaxSamplesPerCycle() << CONFIG_MAX_PITCH) << 1) + 6, //FIXME: assuming stereo
391                    &instruments
392                );
393    
394          if (!pDiskThread) {          if (!pDiskThread) {
395              dmsg(0,("gig::Engine  new diskthread = NULL\n"));              dmsg(0,("gig::Engine  new diskthread = NULL\n"));
396              exit(EXIT_FAILURE);              exit(EXIT_FAILURE);
# Line 407  namespace LinuxSampler { namespace gig { Line 416  namespace LinuxSampler { namespace gig {
416                  exit(EXIT_FAILURE);                  exit(EXIT_FAILURE);
417              }              }
418          }          }
419            pVoicePool->clear();
420      }      }
421    
422      /**      /**
# Line 584  namespace LinuxSampler { namespace gig { Line 594  namespace LinuxSampler { namespace gig {
594          // update time of start and end of this audio fragment (as events' time stamps relate to this)          // update time of start and end of this audio fragment (as events' time stamps relate to this)
595          pEventGenerator->UpdateFragmentTime(Samples);          pEventGenerator->UpdateFragmentTime(Samples);
596    
597          // We only allow a maximum of CONFIG_MAX_VOICES voices to be spawned          // We only allow the given maximum number of voices to be spawned
598          // in each audio fragment. All subsequent request for spawning new          // in each audio fragment. All subsequent request for spawning new
599          // voices in the same audio fragment will be ignored.          // voices in the same audio fragment will be ignored.
600          VoiceSpawnsLeft = CONFIG_MAX_VOICES;          VoiceSpawnsLeft = MaxVoices();
601    
602          // get all events from the engine's global input event queue which belong to the current fragment          // get all events from the engine's global input event queue which belong to the current fragment
603          // (these are usually just SysEx messages)          // (these are usually just SysEx messages)
# Line 1947  namespace LinuxSampler { namespace gig { Line 1957  namespace LinuxSampler { namespace gig {
1957                  if (reader.read(&addr[0], 3) != 3) goto free_sysex_data;                  if (reader.read(&addr[0], 3) != 3) goto free_sysex_data;
1958                  if (addr[0] == 0x40 && addr[1] == 0x00) { // System Parameters                  if (addr[0] == 0x40 && addr[1] == 0x00) { // System Parameters
1959                      dmsg(3,("\tSystem Parameter\n"));                      dmsg(3,("\tSystem Parameter\n"));
1960                        if (addr[2] == 0x7f) { // GS reset
1961                            for (int i = 0; i < engineChannels.size(); ++i) {
1962                                EngineChannel* pEngineChannel = engineChannels[i];
1963                                if (pEngineChannel->GetMidiInputPort() == itSysexEvent->pMidiInputPort) {
1964                                    KillAllVoices(pEngineChannel, itSysexEvent);
1965                                    pEngineChannel->ResetControllers();
1966                                }
1967                            }
1968                        }
1969                  }                  }
1970                  else if (addr[0] == 0x40 && addr[1] == 0x01) { // Common Parameters                  else if (addr[0] == 0x40 && addr[1] == 0x01) { // Common Parameters
1971                      dmsg(3,("\tCommon Parameter\n"));                      dmsg(3,("\tCommon Parameter\n"));
# Line 2111  namespace LinuxSampler { namespace gig { Line 2130  namespace LinuxSampler { namespace gig {
2130          return ActiveVoiceCountMax;          return ActiveVoiceCountMax;
2131      }      }
2132    
2133        int Engine::MaxVoices() {
2134            return pVoicePool->poolSize();
2135        }
2136    
2137        void Engine::SetMaxVoices(int iVoices) throw (Exception) {
2138            if (iVoices < 1)
2139                throw Exception("Maximum voices for an engine cannot be set lower than 1");
2140    
2141            SuspendAll();
2142    
2143            // NOTE: we need to clear pDimRegionsInUse before deleting pDimRegionPool,
2144            // otherwise memory corruption will occur if there are active voices (see bug #118)
2145            for (int iChannel = 0; iChannel < engineChannels.size(); iChannel++) {
2146                engineChannels[iChannel]->ClearDimRegionsInUse();
2147            }
2148    
2149            if (pDimRegionPool[0]) delete pDimRegionPool[0];
2150            if (pDimRegionPool[1]) delete pDimRegionPool[1];
2151    
2152            pDimRegionPool[0] = new Pool< ::gig::DimensionRegion*>(iVoices);
2153            pDimRegionPool[1] = new Pool< ::gig::DimensionRegion*>(iVoices);
2154    
2155            for (int iChannel = 0; iChannel < engineChannels.size(); iChannel++) {
2156                engineChannels[iChannel]->ResetDimRegionsInUse();
2157            }
2158    
2159            try {
2160                pVoicePool->resizePool(iVoices);
2161            } catch (...) {
2162                throw Exception("FATAL: Could not resize voice pool!");
2163            }
2164    
2165            for (RTList<Voice>::Iterator iterVoice = pVoicePool->allocAppend(); iterVoice == pVoicePool->last(); iterVoice = pVoicePool->allocAppend()) {
2166                iterVoice->SetEngine(this);
2167                iterVoice->pDiskThread = this->pDiskThread;
2168            }
2169            pVoicePool->clear();
2170    
2171            ResumeAll();
2172        }
2173    
2174      bool Engine::DiskStreamSupported() {      bool Engine::DiskStreamSupported() {
2175          return true;          return true;
2176      }      }
# Line 2123  namespace LinuxSampler { namespace gig { Line 2183  namespace LinuxSampler { namespace gig {
2183          return (pDiskThread) ? pDiskThread->ActiveStreamCountMax : 0;          return (pDiskThread) ? pDiskThread->ActiveStreamCountMax : 0;
2184      }      }
2185    
2186        int Engine::MaxDiskStreams() {
2187            return iMaxDiskStreams;
2188        }
2189    
2190        void Engine::SetMaxDiskStreams(int iStreams) throw (Exception) {
2191            if (iStreams < 0)
2192                throw Exception("Maximum disk streams for an engine cannot be set lower than 0");
2193    
2194            SuspendAll();
2195    
2196            iMaxDiskStreams = iStreams;
2197    
2198            // reconnect to audio output device, because that will automatically
2199            // recreate the disk thread with the required amount of streams
2200            if (pAudioOutputDevice) Connect(pAudioOutputDevice);
2201    
2202            ResumeAll();
2203        }
2204    
2205      String Engine::DiskStreamBufferFillBytes() {      String Engine::DiskStreamBufferFillBytes() {
2206          return pDiskThread->GetBufferFillBytes();          return pDiskThread->GetBufferFillBytes();
2207      }      }
# Line 2140  namespace LinuxSampler { namespace gig { Line 2219  namespace LinuxSampler { namespace gig {
2219      }      }
2220    
2221      String Engine::Version() {      String Engine::Version() {
2222          String s = "$Revision: 1.98 $";          String s = "$Revision: 1.101 $";
2223          return s.substr(11, s.size() - 13); // cut dollar signs, spaces and CVS macro keyword          return s.substr(11, s.size() - 13); // cut dollar signs, spaces and CVS macro keyword
2224      }      }
2225    
Legend:
Removed from v.1789  
changed lines
  Added in v.1860
  ViewVC Help
Powered by ViewVC