headers/os/midi/Midi.h

   1
   2 #ifndef _MIDI_H
   3 #define _MIDI_H
   4
   5 #include <BeBuild.h>
   6 #include <MidiDefs.h>
   7 #include <OS.h>
   8
   9 class BList;
  10 class BMidiLocalProducer;
  11 class BMidiLocalConsumer;
  12
  13 class BMidi {
  14 public:
  15
  16         BMidi();
  17         virtual ~BMidi();
  18
  19         virtual void NoteOff(
  20                 uchar channel, uchar note, uchar velocity, uint32 time = B_NOW);
  21
  22         virtual void NoteOn(
  23                 uchar channel, uchar note, uchar velocity, uint32 time = B_NOW);
  24
  25         virtual void KeyPressure(
  26                 uchar channel, uchar note, uchar pressure, uint32 time = B_NOW);
  27
  28         virtual void ControlChange(
  29                 uchar channel, uchar controlNumber, uchar controlValue,
  30                 uint32 time = B_NOW);
  31
  32         virtual void ProgramChange(
  33                 uchar channel, uchar programNumber, uint32 time = B_NOW);
  34
  35         virtual void ChannelPressure(
  36                 uchar channel, uchar pressure, uint32 time = B_NOW);
  37
  38         virtual void PitchBend(
  39                 uchar channel, uchar lsb, uchar msb, uint32 time = B_NOW);
  40
  41         virtual void SystemExclusive(
  42                 void* data, size_t length, uint32 time = B_NOW);
  43
  44         virtual void SystemCommon(
  45                 uchar status, uchar data1, uchar data2, uint32 time = B_NOW);
  46
  47         virtual void SystemRealTime(uchar status, uint32 time = B_NOW);
  48
  49         virtual void TempoChange(int32 beatsPerMinute, uint32 time = B_NOW);
  50
  51         virtual void AllNotesOff(bool justChannel = true, uint32 time = B_NOW);
  52
  53         virtual status_t Start();
  54         virtual void Stop();
  55
  56         bool IsRunning() const;
  57
  58         void Connect(BMidi* toObject);
  59         void Disconnect(BMidi* fromObject);
  60         bool IsConnected(BMidi* toObject) const;
  61         BList* Connections() const;
  62
  63         void SnoozeUntil(uint32 time) const;
  64
  65 protected:
  66
  67         void SprayNoteOff(
  68                 uchar channel, uchar note, uchar velocity, uint32 time) const;
  69
  70         void SprayNoteOn(
  71                 uchar channel, uchar note, uchar velocity, uint32 time) const;
  72
  73         void SprayKeyPressure(
  74                 uchar channel, uchar note, uchar pressure, uint32 time) const;
  75
  76         void SprayControlChange(
  77                 uchar channel, uchar controlNumber, uchar controlValue,
  78                 uint32 time) const;
  79
  80         void SprayProgramChange(
  81                 uchar channel, uchar programNumber, uint32 time) const;
  82
  83         void SprayChannelPressure(
  84                 uchar channel, uchar pressure, uint32 time) const;
  85
  86         void SprayPitchBend(
  87                 uchar channel, uchar lsb, uchar msb, uint32 time) const;
  88
  89         void SpraySystemExclusive(
  90                 void* data, size_t length, uint32 time = B_NOW) const;
  91
  92         void SpraySystemCommon(
  93                 uchar status, uchar data1, uchar data2, uint32 time) const;
  94
  95         void SpraySystemRealTime(uchar status, uint32 time) const;
  96
  97         void SprayTempoChange(int32 beatsPerMinute, uint32 time) const;
  98
  99         bool KeepRunning();
 100
 101 private:
 102
 103         friend status_t _run_thread(void* data);
 104
 105         virtual void _ReservedMidi1();
 106         virtual void _ReservedMidi2();
 107         virtual void _ReservedMidi3();
 108
 109         virtual void Run();
 110
 111         BMidiLocalProducer* fProducer;
 112         BMidiLocalConsumer* fConsumer;
 113
 114         BList* fConnections;
 115         volatile thread_id fThreadId;
 116         volatile bool fIsRunning;
 117
 118         uint32 _reserved2[5];
 119 };
 120
 121 #endif // _MIDI_H