/[svn]/linuxsampler/trunk/src/audiothread.h
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Diff of /linuxsampler/trunk/src/audiothread.h

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revision 34 by schoenebeck, Mon Feb 16 19:30:42 2004 UTC revision 35 by schoenebeck, Fri Mar 5 13:46:15 2004 UTC
# Line 26  Line 26 
26  #include <math.h>  #include <math.h>
27  #include <unistd.h>  #include <unistd.h>
28  #include <fcntl.h>  #include <fcntl.h>
29    #include <pthread.h>
30    #include <sstream>
31    
32  #include "global.h"  #include "global.h"
33  #include "thread.h"  #include "thread.h"
# Line 35  Line 37 
37  #include "gig.h"  #include "gig.h"
38  #include "rtelmemorypool.h"  #include "rtelmemorypool.h"
39  #include "modulationsystem.h"  #include "modulationsystem.h"
40    #include "network/lscp.h"
41    
42  #define PITCHBEND_SEMITONES             12  #define PITCHBEND_SEMITONES             12
43  #define MAX_AUDIO_VOICES                64  #define MAX_AUDIO_VOICES                64
# Line 48  class Voice; Line 51  class Voice;
51  //FIXME: Class name "AudioThread" is now misleading, because there is no thread anymore, but the name will change soon to "Engine" when we restructure the source tree  //FIXME: Class name "AudioThread" is now misleading, because there is no thread anymore, but the name will change soon to "Engine" when we restructure the source tree
52  class AudioThread {  class AudioThread {
53      public:      public:
54          double Volume;               ///< overall volume (a value < 1.0 means attenuation, a value > 1.0 means amplification)          double       Volume;               ///< overall volume (a value < 1.0 means attenuation, a value > 1.0 means amplification)
55          int    ActiveVoiceCount;     ///< number of currently active voices          int          ActiveVoiceCount;     ///< number of currently active voices
56          int    ActiveVoiceCountMax;  ///< the maximum voice usage since application start          int          ActiveVoiceCountMax;  ///< the maximum voice usage since application start
57            DiskThread*  pDiskThread;
58    
59          AudioThread(AudioIO* pAudioIO, DiskThread* pDiskThread, gig::Instrument* pInstrument);          AudioThread(AudioIO* pAudioIO);
60         ~AudioThread();         ~AudioThread();
61            result_t      LoadInstrument(const char* FileName, uint Instrument);
62            void          Reset();
63          void          SendNoteOn(uint8_t Key, uint8_t Velocity);          void          SendNoteOn(uint8_t Key, uint8_t Velocity);
64          void          SendNoteOff(uint8_t Key, uint8_t Velocity);          void          SendNoteOff(uint8_t Key, uint8_t Velocity);
65          void          SendPitchbend(int Pitch);          void          SendPitchbend(int Pitch);
# Line 80  class AudioThread { Line 86  class AudioThread {
86          RTEList<ModulationSystem::Event>*        pEvents;               ///< All events for the current audio fragment.          RTEList<ModulationSystem::Event>*        pEvents;               ///< All events for the current audio fragment.
87          RTEList<ModulationSystem::Event>*        pCCEvents[ModulationSystem::destination_count];  ///< Control change events for the current audio fragment.          RTEList<ModulationSystem::Event>*        pCCEvents[ModulationSystem::destination_count];  ///< Control change events for the current audio fragment.
88          AudioIO*                                 pAudioIO;          AudioIO*                                 pAudioIO;
89          DiskThread*                              pDiskThread;          RIFF::File*                              pRIFF;
90            gig::File*                               pGig;
91          gig::Instrument*                         pInstrument;          gig::Instrument*                         pInstrument;
92          bool                                     SustainPedal;          ///< true if sustain pedal is down          bool                                     SustainPedal;          ///< true if sustain pedal is down
93          uint8_t                                  PrevHoldCCValue;          uint8_t                                  PrevHoldCCValue;
94          int                                      Pitch;                 ///< Current (absolute) MIDI pitch value.          int                                      Pitch;                 ///< Current (absolute) MIDI pitch value.
95            bool                                     SuspensionRequested;
96            pthread_mutex_t                          __render_state_mutex;
97            pthread_cond_t                           __render_exit_condition;
98    
99          void ProcessNoteOn(ModulationSystem::Event* pNoteOnEvent);          void ProcessNoteOn(ModulationSystem::Event* pNoteOnEvent);
100          void ProcessNoteOff(ModulationSystem::Event* pNoteOffEvent);          void ProcessNoteOff(ModulationSystem::Event* pNoteOffEvent);
# Line 92  class AudioThread { Line 102  class AudioThread {
102          void ProcessControlChange(ModulationSystem::Event* pControlChangeEvent);          void ProcessControlChange(ModulationSystem::Event* pControlChangeEvent);
103          void KillVoice(Voice* pVoice);          void KillVoice(Voice* pVoice);
104          void CacheInitialSamples(gig::Sample* pSample);          void CacheInitialSamples(gig::Sample* pSample);
105            void ResetInternal();
106    
107          friend class Voice;          friend class Voice;
108  };  };
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