/[svn]/linuxsampler/trunk/src/engines/common/AbstractVoice.h
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Diff of /linuxsampler/trunk/src/engines/common/AbstractVoice.h

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revision 2205 by iliev, Mon Jul 11 17:52:01 2011 UTC revision 2219 by iliev, Thu Jul 28 12:35:49 2011 UTC
# Line 83  namespace LinuxSampler { Line 83  namespace LinuxSampler {
83          public:          public:
84              type_t       Type;         ///< Voice Type (bit field, a voice may have several types)              type_t       Type;         ///< Voice Type (bit field, a voice may have several types)
85              int          MIDIKey;      ///< MIDI key number of the key that triggered the voice              int          MIDIKey;      ///< MIDI key number of the key that triggered the voice
86                uint8_t      MIDIVelocity; ///< MIDI velocity of the key that triggered the voice
87                uint8_t      MIDIPan;      ///< the current MIDI pan value
88                
89                SignalUnitRack* const pSignalUnitRack;
90    
91              AbstractVoice();              AbstractVoice(SignalUnitRack* pRack);
92              virtual ~AbstractVoice();              virtual ~AbstractVoice();
93    
94              inline bool IsActive() { return PlaybackState; }              inline bool IsActive() { return PlaybackState; }
# Line 103  namespace LinuxSampler { Line 107  namespace LinuxSampler {
107              virtual void Synthesize(uint Samples, sample_t* pSrc, uint Skip);              virtual void Synthesize(uint Samples, sample_t* pSrc, uint Skip);
108                            
109              uint GetSampleRate() { return GetEngine()->SampleRate; }              uint GetSampleRate() { return GetEngine()->SampleRate; }
               
             virtual SignalUnitRack* GetSignalUnitRack() { return NULL; }  
110    
111              void processCCEvents(RTList<Event>::Iterator& itEvent, uint End);              void processCCEvents(RTList<Event>::Iterator& itEvent, uint End);
112              void processPitchEvent(RTList<Event>::Iterator& itEvent);              void processPitchEvent(RTList<Event>::Iterator& itEvent);
# Line 181  namespace LinuxSampler { Line 183  namespace LinuxSampler {
183               * Gets the sample cache size in bytes.               * Gets the sample cache size in bytes.
184               */               */
185              virtual unsigned long GetSampleCacheSize() = 0;              virtual unsigned long GetSampleCacheSize() = 0;
186                
187                /**
188                 * Because in most cases we cache part of the sample in RAM, if the
189                 * offset is too big (will extend beyond the RAM cache if the cache contains
190                 * the beginning of the sample) we should cache in the RAM buffer not the
191                 * beginning of the sample but a part that starts from the sample offset point.
192                 * In that case the current sample position should start from zero (Pos).
193                 * When the offset fits into RAM buffer or the whole sample is cached
194                 * in RAM, Pos should contain the actual offset.
195                 * We don't trim the sample because it might have a defined
196                 * loop start point before the start point of the playback.
197                 */
198                virtual void SetSampleStartOffset();
199    
200              /**              /**
201               * Returns the correct amplitude factor for the given \a MIDIKeyVelocity.               * Returns the correct amplitude factor for the given \a MIDIKeyVelocity.
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