/[svn]/linuxsampler/trunk/src/drivers/midi/VirtualMidiDevice.cpp
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revision 1662 by schoenebeck, Sun Feb 3 00:13:27 2008 UTC revision 1663 by schoenebeck, Mon Feb 4 00:38:08 2008 UTC
# Line 20  namespace LinuxSampler { Line 20  namespace LinuxSampler {
20          atomic_t notesChanged; // whether some key changed at all          atomic_t notesChanged; // whether some key changed at all
21          atomic_t pNoteChanged[MIDI_KEYS]; // which key(s) changed          atomic_t pNoteChanged[MIDI_KEYS]; // which key(s) changed
22          atomic_t pNoteIsActive[MIDI_KEYS]; // status of each key (either active or inactive)          atomic_t pNoteIsActive[MIDI_KEYS]; // status of each key (either active or inactive)
23            atomic_t pNoteOnVelocity[MIDI_KEYS];
24            atomic_t pNoteOffVelocity[MIDI_KEYS];
25          RingBuffer<VirtualMidiDevice::event_t,false> events;          RingBuffer<VirtualMidiDevice::event_t,false> events;
26    
27          _private_data_t() : events(MAX_EVENTS, 0) {}          _private_data_t() : events(MAX_EVENTS, 0) {}
# Line 29  namespace LinuxSampler { Line 31  namespace LinuxSampler {
31          _private_data_t* p = new _private_data_t;          _private_data_t* p = new _private_data_t;
32          pPrivateData = p;          pPrivateData = p;
33          atomic_t zero = ATOMIC_INIT(0);          atomic_t zero = ATOMIC_INIT(0);
34            atomic_t defaultVelocity = ATOMIC_INIT(127);
35          p->notesChanged = zero;          p->notesChanged = zero;
36          for (int i = 0; i < MIDI_KEYS; i++) {          for (int i = 0; i < MIDI_KEYS; i++) {
37              p->pNoteChanged[i]  = zero;              p->pNoteChanged[i]  = zero;
38              p->pNoteIsActive[i] = zero;              p->pNoteIsActive[i] = zero;
39                p->pNoteOnVelocity[i] = defaultVelocity;
40                p->pNoteOffVelocity[i] = defaultVelocity;
41          }          }
42      }      }
43    
# Line 82  namespace LinuxSampler { Line 87  namespace LinuxSampler {
87          return atomic_read( &(p->pNoteIsActive)[Key] );          return atomic_read( &(p->pNoteIsActive)[Key] );
88      }      }
89    
90      void VirtualMidiDevice::SendNoteOnToDevice(uint8_t Key, uint8_t /*Velocity*/) {      uint8_t VirtualMidiDevice::NoteOnVelocity(uint8_t Key) {
91            _private_data_t* p = (_private_data_t*)pPrivateData;
92            return atomic_read( &(p->pNoteOnVelocity)[Key] );
93        }
94    
95        uint8_t VirtualMidiDevice::NoteOffVelocity(uint8_t Key) {
96            _private_data_t* p = (_private_data_t*)pPrivateData;
97            return atomic_read( &(p->pNoteOffVelocity)[Key] );
98        }
99    
100        void VirtualMidiDevice::SendNoteOnToDevice(uint8_t Key, uint8_t Velocity) {
101          if (Key >= MIDI_KEYS) return;          if (Key >= MIDI_KEYS) return;
102          _private_data_t* p = (_private_data_t*)pPrivateData;          _private_data_t* p = (_private_data_t*)pPrivateData;
103            atomic_set( &(p->pNoteOnVelocity)[Key], Velocity );
104          atomic_inc( &(p->pNoteIsActive)[Key] );          atomic_inc( &(p->pNoteIsActive)[Key] );
105          atomic_inc( &(p->pNoteChanged)[Key] );          atomic_inc( &(p->pNoteChanged)[Key] );
106          atomic_inc( &p->notesChanged );          atomic_inc( &p->notesChanged );
107      }      }
108    
109      void VirtualMidiDevice::SendNoteOffToDevice(uint8_t Key, uint8_t /*Velocity*/) {      void VirtualMidiDevice::SendNoteOffToDevice(uint8_t Key, uint8_t Velocity) {
110          if (Key >= MIDI_KEYS) return;          if (Key >= MIDI_KEYS) return;
111          _private_data_t* p = (_private_data_t*)pPrivateData;          _private_data_t* p = (_private_data_t*)pPrivateData;
112            atomic_set( &(p->pNoteOffVelocity)[Key], Velocity );
113          atomic_dec( &(p->pNoteIsActive)[Key] );          atomic_dec( &(p->pNoteIsActive)[Key] );
114          atomic_inc( &(p->pNoteChanged)[Key] );          atomic_inc( &(p->pNoteChanged)[Key] );
115          atomic_inc( &p->notesChanged );          atomic_inc( &p->notesChanged );
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