/[svn]/linuxsampler/trunk/src/engines/common/Event.h
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revision 293 by schoenebeck, Mon Oct 25 15:14:27 2004 UTC revision 412 by schoenebeck, Sat Feb 26 22:44:51 2005 UTC
# Line 24  Line 24 
24  #define __LS_EVENT_H__  #define __LS_EVENT_H__
25    
26  #include "../../common/global.h"  #include "../../common/global.h"
27    #include "../../common/RTMath.h"
28    #include "EngineChannel.h"
29    
30  namespace LinuxSampler {  namespace LinuxSampler {
31    
# Line 40  namespace LinuxSampler { Line 42  namespace LinuxSampler {
42              void UpdateFragmentTime(uint SamplesToProcess);              void UpdateFragmentTime(uint SamplesToProcess);
43              Event CreateEvent();              Event CreateEvent();
44          protected:          protected:
45              typedef uint32_t time_stamp_t; ///< We read the processor's cycle count register as a reference for the real time. These are of course only abstract values with arbitrary time entity, but that's not a problem as we calculate relatively.              typedef RTMath::time_stamp_t time_stamp_t;
46              inline int32_t ToFragmentPos(time_stamp_t TimeStamp) {              inline int32_t ToFragmentPos(time_stamp_t TimeStamp) {
47                  return int32_t (int32_t(TimeStamp - FragmentTime.begin) * FragmentTime.sample_ratio);                  return int32_t (int32_t(TimeStamp - FragmentTime.begin) * FragmentTime.sample_ratio);
48              }              }
# Line 53  namespace LinuxSampler { Line 55  namespace LinuxSampler {
55                  time_stamp_t end;          ///< Real time stamp of the end of this audio fragment cycle.                  time_stamp_t end;          ///< Real time stamp of the end of this audio fragment cycle.
56                  float        sample_ratio; ///< (Samples per cycle) / (Real time duration of cycle)                  float        sample_ratio; ///< (Samples per cycle) / (Real time duration of cycle)
57              } FragmentTime;              } FragmentTime;
             time_stamp_t CreateTimeStamp();  
58      };      };
59    
60      /**      /**
# Line 104  namespace LinuxSampler { Line 105  namespace LinuxSampler {
105                      uint Size;           ///< Data length (in bytes) of MIDI system exclusive message.                      uint Size;           ///< Data length (in bytes) of MIDI system exclusive message.
106                  } Sysex;                  } Sysex;
107              } Param;              } Param;
108                EngineChannel* pEngineChannel; ///< Pointer to the EngineChannel where this event occured on, NULL means Engine global event (e.g. SysEx message).
109    
110              inline int32_t FragmentPos() {              inline int32_t FragmentPos() {
111                  if (iFragmentPos >= 0) return iFragmentPos;                  if (iFragmentPos >= 0) return iFragmentPos;
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