/[svn]/linuxsampler/trunk/src/engines/gig/EngineChannel.cpp
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Diff of /linuxsampler/trunk/src/engines/gig/EngineChannel.cpp

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revision 460 by schoenebeck, Mon Mar 14 22:35:44 2005 UTC revision 660 by schoenebeck, Fri Jun 17 19:49:30 2005 UTC
# Line 31  namespace LinuxSampler { namespace gig { Line 31  namespace LinuxSampler { namespace gig {
31          pInstrument  = NULL;          pInstrument  = NULL;
32          pEvents      = NULL; // we allocate when we retrieve the right Engine object          pEvents      = NULL; // we allocate when we retrieve the right Engine object
33          pCCEvents    = NULL; // we allocate when we retrieve the right Engine object          pCCEvents    = NULL; // we allocate when we retrieve the right Engine object
34          pEventQueue  = new RingBuffer<Event>(MAX_EVENTS_PER_FRAGMENT, 0);          pEventQueue  = new RingBuffer<Event>(CONFIG_MAX_EVENTS_PER_FRAGMENT, 0);
35          pActiveKeys  = new Pool<uint>(128);          pActiveKeys  = new Pool<uint>(128);
36          for (uint i = 0; i < 128; i++) {          for (uint i = 0; i < 128; i++) {
37              pMIDIKeyInfo[i].pActiveVoices  = NULL; // we allocate when we retrieve the right Engine object              pMIDIKeyInfo[i].pActiveVoices  = NULL; // we allocate when we retrieve the right Engine object
# Line 39  namespace LinuxSampler { namespace gig { Line 39  namespace LinuxSampler { namespace gig {
39              pMIDIKeyInfo[i].Active         = false;              pMIDIKeyInfo[i].Active         = false;
40              pMIDIKeyInfo[i].ReleaseTrigger = false;              pMIDIKeyInfo[i].ReleaseTrigger = false;
41              pMIDIKeyInfo[i].pEvents        = NULL; // we allocate when we retrieve the right Engine object              pMIDIKeyInfo[i].pEvents        = NULL; // we allocate when we retrieve the right Engine object
42                pMIDIKeyInfo[i].VoiceTheftsQueued = 0;
43              pMIDIKeyInfo[i].RoundRobinIndex = 0;              pMIDIKeyInfo[i].RoundRobinIndex = 0;
44          }          }
45          for (uint i = 0; i < Event::destination_count; i++) {          for (uint i = 0; i < Event::destination_count; i++) {
# Line 59  namespace LinuxSampler { namespace gig { Line 60  namespace LinuxSampler { namespace gig {
60      }      }
61    
62      /**      /**
63         * Implementation of virtual method from abstract EngineChannel interface.
64         * This method will periodically be polled (e.g. by the LSCP server) to
65         * check if some engine channel parameter has changed since the last
66         * StatusChanged() call.
67         *
68         * TODO: This "poll method" is just a lazy solution and might be
69         *       replaced in future.
70         *
71         * @returns true if engine channel status has changed since last
72         *          StatusChanged() call
73         */
74        bool EngineChannel::StatusChanged() {
75            bool b = bStatusChanged;
76            bStatusChanged = false;
77            return b;
78        }
79    
80        /**
81       * This method is not thread safe!       * This method is not thread safe!
82       */       */
83      void EngineChannel::ResetInternal() {      void EngineChannel::ResetInternal() {
# Line 69  namespace LinuxSampler { namespace gig { Line 88  namespace LinuxSampler { namespace gig {
88          GlobalPanRight      = 1.0f;          GlobalPanRight      = 1.0f;
89          CurrentKeyDimension = 0;          CurrentKeyDimension = 0;
90    
91          // set all MIDI controller values to zero          ResetControllers();
         memset(ControllerTable, 0x00, 128);  
92    
93          // reset key info          // reset key info
94          for (uint i = 0; i < 128; i++) {          for (uint i = 0; i < 128; i++) {
# Line 82  namespace LinuxSampler { namespace gig { Line 100  namespace LinuxSampler { namespace gig {
100              pMIDIKeyInfo[i].Active         = false;              pMIDIKeyInfo[i].Active         = false;
101              pMIDIKeyInfo[i].ReleaseTrigger = false;              pMIDIKeyInfo[i].ReleaseTrigger = false;
102              pMIDIKeyInfo[i].itSelf         = Pool<uint>::Iterator();              pMIDIKeyInfo[i].itSelf         = Pool<uint>::Iterator();
103                pMIDIKeyInfo[i].VoiceTheftsQueued = 0;
104          }          }
105    
106          // reset all key groups          // reset all key groups
# Line 95  namespace LinuxSampler { namespace gig { Line 114  namespace LinuxSampler { namespace gig {
114          pEventQueue->init();          pEventQueue->init();
115    
116          if (pEngine) pEngine->ResetInternal();          if (pEngine) pEngine->ResetInternal();
117    
118            // status of engine channel has changed, so set notify flag
119            bStatusChanged = true;
120      }      }
121    
122      LinuxSampler::Engine* EngineChannel::GetEngine() {      LinuxSampler::Engine* EngineChannel::GetEngine() {
# Line 190  namespace LinuxSampler { namespace gig { Line 212  namespace LinuxSampler { namespace gig {
212    
213      /**      /**
214       * Will be called by the InstrumentResourceManager when the instrument       * Will be called by the InstrumentResourceManager when the instrument
215       * we are currently using in this engine is going to be updated, so we       * we are currently using on this EngineChannel is going to be updated,
216       * can stop playback before that happens.       * so we can stop playback before that happens.
217       */       */
218      void EngineChannel::ResourceToBeUpdated(::gig::Instrument* pResource, void*& pUpdateArg) {      void EngineChannel::ResourceToBeUpdated(::gig::Instrument* pResource, void*& pUpdateArg) {
219          dmsg(3,("gig::Engine: Received instrument update message.\n"));          dmsg(3,("gig::Engine: Received instrument update message.\n"));
# Line 207  namespace LinuxSampler { namespace gig { Line 229  namespace LinuxSampler { namespace gig {
229      void EngineChannel::ResourceUpdated(::gig::Instrument* pOldResource, ::gig::Instrument* pNewResource, void* pUpdateArg) {      void EngineChannel::ResourceUpdated(::gig::Instrument* pOldResource, ::gig::Instrument* pNewResource, void* pUpdateArg) {
230          this->pInstrument = pNewResource; //TODO: there are couple of engine parameters we should update here as well if the instrument was updated (see LoadInstrument())          this->pInstrument = pNewResource; //TODO: there are couple of engine parameters we should update here as well if the instrument was updated (see LoadInstrument())
231          if (pEngine) pEngine->Enable();          if (pEngine) pEngine->Enable();
232            bStatusChanged = true; // status of engine has changed, so set notify flag
233        }
234    
235        /**
236         * Will be called by the InstrumentResourceManager on progress changes
237         * while loading or realoading an instrument for this EngineChannel.
238         *
239         * @param fProgress - current progress as value between 0.0 and 1.0
240         */
241        void EngineChannel::OnResourceProgress(float fProgress) {
242            this->InstrumentStat = int(fProgress * 100.0f);
243            dmsg(7,("gig::EngineChannel: progress %d%", InstrumentStat));
244            bStatusChanged = true; // status of engine has changed, so set notify flag
245      }      }
246    
247      void EngineChannel::Connect(AudioOutputDevice* pAudioOut) {      void EngineChannel::Connect(AudioOutputDevice* pAudioOut) {
# Line 387  namespace LinuxSampler { namespace gig { Line 422  namespace LinuxSampler { namespace gig {
422          }          }
423      }      }
424    
425        void EngineChannel::ResetControllers() {
426            // set all MIDI controller values to zero
427            memset(ControllerTable, 0x00, 128);
428        }
429    
430      /**      /**
431       * Copy all events from the engine channel's input event queue buffer to       * Copy all events from the engine channel's input event queue buffer to
432       * the internal event list. This will be done at the beginning of each       * the internal event list. This will be done at the beginning of each
# Line 429  namespace LinuxSampler { namespace gig { Line 469  namespace LinuxSampler { namespace gig {
469    
470      void EngineChannel::Volume(float f) {      void EngineChannel::Volume(float f) {
471          GlobalVolume = f;          GlobalVolume = f;
472            bStatusChanged = true; // status of engine channel has changed, so set notify flag
473      }      }
474    
475      uint EngineChannel::Channels() {      uint EngineChannel::Channels() {
# Line 451  namespace LinuxSampler { namespace gig { Line 492  namespace LinuxSampler { namespace gig {
492          return InstrumentStat;          return InstrumentStat;
493      }      }
494    
495        String EngineChannel::EngineName() {
496            return LS_GIG_ENGINE_NAME;
497        }
498    
499  }} // namespace LinuxSampler::gig  }} // namespace LinuxSampler::gig
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