/[svn]/linuxsampler/trunk/src/engines/gig/Engine.h
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revision 242 by schoenebeck, Wed Sep 15 13:59:08 2004 UTC revision 250 by schoenebeck, Mon Sep 20 00:31:13 2004 UTC
# Line 43  Line 43 
43    
44  #define PITCHBEND_SEMITONES             12  #define PITCHBEND_SEMITONES             12
45  #define MAX_AUDIO_VOICES                128  #define MAX_AUDIO_VOICES                128
46    #define SYSEX_BUFFER_SIZE               2048  // 2kB
47    #define VOICE_STEAL_ALGORITHM           voice_steal_algo_oldestkey  ///< @see voice_steal_algo_t for available voice stealing algorithms
48    
49  namespace LinuxSampler { namespace gig {  namespace LinuxSampler { namespace gig {
50    
# Line 58  namespace LinuxSampler { namespace gig { Line 60  namespace LinuxSampler { namespace gig {
60       */       */
61      class gig::Engine : public LinuxSampler::Engine, public InstrumentConsumer {      class gig::Engine : public LinuxSampler::Engine, public InstrumentConsumer {
62          public:          public:
63                // types
64                enum voice_steal_algo_t {
65                    voice_steal_algo_none,
66                    voice_steal_algo_keymask,
67                    voice_steal_algo_oldestkey
68                };
69    
70              // methods              // methods
71              Engine();              Engine();
72             ~Engine();             ~Engine();
# Line 71  namespace LinuxSampler { namespace gig { Line 80  namespace LinuxSampler { namespace gig {
80              virtual void   SendNoteOff(uint8_t Key, uint8_t Velocity);              virtual void   SendNoteOff(uint8_t Key, uint8_t Velocity);
81              virtual void   SendPitchbend(int Pitch);              virtual void   SendPitchbend(int Pitch);
82              virtual void   SendControlChange(uint8_t Controller, uint8_t Value);              virtual void   SendControlChange(uint8_t Controller, uint8_t Value);
83                virtual void   SendSysex(void* pData, uint Size);
84              virtual float  Volume();              virtual float  Volume();
85              virtual void   Volume(float f);              virtual void   Volume(float f);
86              virtual uint   Channels();              virtual uint   Channels();
# Line 118  namespace LinuxSampler { namespace gig { Line 128  namespace LinuxSampler { namespace gig {
128              DiskThread*             pDiskThread;              DiskThread*             pDiskThread;
129              uint8_t                 ControllerTable[128];  ///< Reflects the current values (0-127) of all MIDI controllers for this engine / sampler channel.              uint8_t                 ControllerTable[128];  ///< Reflects the current values (0-127) of all MIDI controllers for this engine / sampler channel.
130              RingBuffer<Event>*      pEventQueue;           ///< Input event queue.              RingBuffer<Event>*      pEventQueue;           ///< Input event queue.
131                RingBuffer<uint8_t>*    pSysexBuffer;          ///< Input buffer for MIDI system exclusive messages.
132              midi_key_info_t         pMIDIKeyInfo[128];     ///< Contains all active voices sorted by MIDI key number and other informations to the respective MIDI key              midi_key_info_t         pMIDIKeyInfo[128];     ///< Contains all active voices sorted by MIDI key number and other informations to the respective MIDI key
133              RTELMemoryPool<Voice>*  pVoicePool;            ///< Contains all voices that can be activated.              RTELMemoryPool<Voice>*  pVoicePool;            ///< Contains all voices that can be activated.
134              RTELMemoryPool<uint>*   pActiveKeys;           ///< Holds all keys in it's allocation list with active voices.              RTELMemoryPool<uint>*   pActiveKeys;           ///< Holds all keys in it's allocation list with active voices.
135              RTELMemoryPool<Event>*  pEventPool;            ///< Contains all Event objects that can be used.              RTELMemoryPool<Event>*  pEventPool;            ///< Contains all Event objects that can be used.
136              EventGenerator*         pEventGenerator;              EventGenerator*         pEventGenerator;
137                RTEList<Event>*         pVoiceStealingQueue;   ///< All voice-launching events which had to be postponed due to free voice shortage.
138              RTEList<Event>*         pEvents;               ///< All events for the current audio fragment.              RTEList<Event>*         pEvents;               ///< All events for the current audio fragment.
139              RTEList<Event>*         pCCEvents;             ///< All control change events for the current audio fragment.              RTEList<Event>*         pCCEvents;             ///< All control change events for the current audio fragment.
140              RTEList<Event>*         pSynthesisEvents[Event::destination_count];     ///< Events directly affecting synthesis parameter (like pitch, volume and filter).              RTEList<Event>*         pSynthesisEvents[Event::destination_count];     ///< Events directly affecting synthesis parameter (like pitch, volume and filter).
# Line 143  namespace LinuxSampler { namespace gig { Line 155  namespace LinuxSampler { namespace gig {
155              String                  InstrumentFile;              String                  InstrumentFile;
156              int                     InstrumentIdx;              int                     InstrumentIdx;
157              int                     InstrumentStat;              int                     InstrumentStat;
158                int8_t                  ScaleTuning[12];       ///< contains optional detune factors (-64..+63 cents) for all 12 semitones of an octave
159                Voice*                  pLastStolenVoice;      ///< Only for voice stealing: points to the last voice which was theft in current audio fragment, NULL otherwise.
160                uint*                   puiLastStolenKey;      ///< Only for voice stealing: key number of last key on which the last voice was theft in current audio fragment, NULL otherwise.
161    
162              void ProcessNoteOn(Event* pNoteOnEvent);              void ProcessNoteOn(Event* pNoteOnEvent);
163              void ProcessNoteOff(Event* pNoteOffEvent);              void ProcessNoteOff(Event* pNoteOffEvent);
164              void ProcessPitchbend(Event* pPitchbendEvent);              void ProcessPitchbend(Event* pPitchbendEvent);
165              void ProcessControlChange(Event* pControlChangeEvent);              void ProcessControlChange(Event* pControlChangeEvent);
166              void LaunchVoice(Event* pNoteOnEvent, int iLayer = 0, bool ReleaseTriggerVoice = false);              void ProcessSysex(Event* pSysexEvent);
167                Voice* LaunchVoice(Event* pNoteOnEvent, int iLayer = 0, bool ReleaseTriggerVoice = false, bool VoiceStealing = true);
168                void StealVoice(Event* pNoteOnEvent, int iLayer, bool ReleaseTriggerVoice);
169              void KillVoiceImmediately(Voice* pVoice);              void KillVoiceImmediately(Voice* pVoice);
170              void ResetSynthesisParameters(Event::destination_t dst, float val);              void ResetSynthesisParameters(Event::destination_t dst, float val);
171              void ResetInternal();              void ResetInternal();
# Line 161  namespace LinuxSampler { namespace gig { Line 178  namespace LinuxSampler { namespace gig {
178              friend class VCOManipulator;              friend class VCOManipulator;
179              friend class InstrumentResourceManager;              friend class InstrumentResourceManager;
180          private:          private:
181              void DisableAndLock();              void    DisableAndLock();
182                uint8_t GSCheckSum(const RingBuffer<uint8_t>::NonVolatileReader AddrReader, uint DataSize);
183                void    AdjustScale(int8_t ScaleTunes[12]);
184      };      };
185    
186  }} // namespace LinuxSampler::gig  }} // namespace LinuxSampler::gig
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