CSL  6.0
csl::LineSegment Class Reference

A linearly interpolated segment – this has start and end values, and a duration (in seconds). More...

#include <Envelope.h>

+ Inheritance diagram for csl::LineSegment:

Public Member Functions

 LineSegment ()
 empty constructor More...
 
 LineSegment (float d, float s, float e, LineMode mode=kLine)
 Declare dur in sec, start, stop values. More...
 
float start ()
 Accessors. More...
 
float end ()
 Returns the target value of the line segment. More...
 
float duration ()
 Returns the total time it will take to get from start to end value. More...
 
unsigned currentFrame ()
 
void setEnd (float tend)
 
void setStart (float tstart)
 
void setDuration (unsigned tduration)
 Overloaded to accept either float or unsigned. More...
 
void setDuration (float tduration)
 
void setMode (LineMode tmode)
 Sets the interpolation kind (linear or exponential) More...
 
void nextBuffer (Buffer &outputBuffer, unsigned outBufNum) throw (CException)
 next buffer interpolator More...
 
virtual void nextBuffer (Buffer &outputBuffer, unsigned outBufNum, Port *scalePort, Port *offsetPort) throw (CException)
 handy version given Scalable port pointers More...
 
void reset ()
 reset counters More...
 
void trigger ()
 
void dump ()
 reset internal time to restart envelope More...
 
unsigned frameRate ()
 
void setFrameRate (unsigned rate)
 get/set the receiver's frame rate More...
 
virtual unsigned numChannels ()
 
void setNumChannels (unsigned ch)
 get/set the receiver's number of outputs More...
 
BufferCopyPolicy copyPolicy ()
 
void setCopyPolicy (BufferCopyPolicy ch)
 get/set the receiver's buffer copy policy More...
 
virtual void nextBuffer (Buffer &outputBuffer) throw (CException)
 get a buffer of Frames – this is the core CSL "pull" function; the given buffer can be written into, and a changed() message is sent. More...
 
virtual bool isFixed ()
 query whether I'm fixed (StaticVariable overrides this) More...
 
virtual bool isActive ()
 query whether I'm currently active (Envelopes can go inactive) More...
 
void addOutput (UnitGenerator *ugen)
 add to or return the UGen vector of outputs More...
 
void removeOutput (UnitGenerator *ugen)
 
UGenVector outputs ()
 
virtual unsigned numOutputs ()
 
bool checkFanOut (Buffer &outputBuffer) throw (CException)
 check for fan-out and copy previous buffer; return true if fanning out More...
 
void handleFanOut (Buffer &outputBuffer) throw (CException)
 
virtual void setValue (sample theValue)
 set/get the value (not allowed in the abstract, useful for static values) More...
 
virtual sample value ()
 
void attachObserver (Observer *)
 (possibly notify obersvers on my death) More...
 
void detachObserver (Observer *)
 
void changed (void *argument)
 this is what I send to myself to notify my observers; It's not overridden in general. It results in the observers receiving update() calls < override evaluate to filter updates to the observer map More...
 
virtual int evaluate (void *argument)
 

Protected Member Functions

void zeroBuffer (Buffer &outputBuffer, unsigned outBufNum)
 utility method to zero out an outputBuffer More...
 

Protected Attributes

float mStart
 Start value. More...
 
float mEnd
 Ending value. More...
 
float mDuration
 Length of the line segment (IN SECONDS) More...
 
LineMode mMode
 How am I to calculate the values from start to end values of the line. More...
 
float mCurrentValue
 Internal book-keeping. More...
 
unsigned mCurrentFrame
 cache More...
 
unsigned mFrameRate
 trigger ignored here More...
 
unsigned mNumChannels
 my "expected" number of output channels More...
 
BufferCopyPolicy mCopyPolicy
 the policy I use if asked for more or fewer channels More...
 
UGenVector mOutputs
 the vector of my output UGens More...
 
unsigned mNumOutputs
 the number of outputs More...
 
BuffermOutputCache
 my past output ring buffer (only used in case of fan-out) More...
 
unsigned mSequence
 the highest-seen buffer seq number More...
 

Detailed Description

A linearly interpolated segment – this has start and end values, and a duration (in seconds).

Definition at line 45 of file Envelope.h.

Constructor & Destructor Documentation

LineSegment::LineSegment ( )

empty constructor

LineSegment class.

Constructors

Definition at line 19 of file Envelope.cpp.

LineSegment::LineSegment ( float  d,
float  s,
float  e,
LineMode  mode = kLine 
)

Declare dur in sec, start, stop values.

Definition at line 22 of file Envelope.cpp.

References kExpon, mEnd, and mStart.

Member Function Documentation

float csl::LineSegment::start ( )
inline

Accessors.

Returns the initial value of the line segment.

Definition at line 51 of file Envelope.h.

References mStart.

Referenced by csl::Envelope::scaleValues().

float csl::LineSegment::end ( )
inline

Returns the target value of the line segment.

Definition at line 52 of file Envelope.h.

References mEnd.

Referenced by csl::RandEnvelope::nextSegment(), and csl::Envelope::scaleValues().

float csl::LineSegment::duration ( )
inline

Returns the total time it will take to get from start to end value.

Definition at line 53 of file Envelope.h.

References mDuration.

Referenced by csl::RandEnvelope::nextSegment().

unsigned csl::LineSegment::currentFrame ( )
inline

Definition at line 54 of file Envelope.h.

References mCurrentFrame.

void csl::LineSegment::setEnd ( float  tend)
inline
void csl::LineSegment::setStart ( float  tstart)
inline
void csl::LineSegment::setDuration ( unsigned  tduration)
inline

Overloaded to accept either float or unsigned.

Definition at line 58 of file Envelope.h.

References mDuration.

Referenced by csl::Envelope::calculateSegments(), and csl::RandEnvelope::nextSegment().

void csl::LineSegment::setDuration ( float  tduration)
inline

Definition at line 59 of file Envelope.h.

References mDuration.

void csl::LineSegment::setMode ( LineMode  tmode)
inline

Sets the interpolation kind (linear or exponential)

Definition at line 60 of file Envelope.h.

References mMode.

void LineSegment::nextBuffer ( Buffer outputBuffer,
unsigned  outBufNum 
)
throw (CException
)
virtual

next buffer interpolator

Reimplemented from csl::UnitGenerator.

Definition at line 49 of file Envelope.cpp.

void LineSegment::nextBuffer ( Buffer outputBuffer,
unsigned  outBufNum,
Port scalePort,
Port offsetPort 
)
throw (CException
)
virtual

handy version given Scalable port pointers

calculate the increment for the linear interpolation, the number of frames to calculate and the number of frames that are constant (at the end of the interpolations)

This test to see if we're at the end works for now, but we should use a bool to check if we are done in case mCurrentFrame loops

< Generate the interpolated frames

< Generate the interpolated frames

< Generate the constant frames

< if we're not already at the end increment my internal counters

Definition at line 53 of file Envelope.cpp.

References CHECK_UPDATE_SCALABLE_CONTROLS, kExpon, kLine, and mFrameRate.

void LineSegment::reset ( )

reset counters

Reset method.

Definition at line 39 of file Envelope.cpp.

References mCurrentFrame, mCurrentValue, and mStart.

Referenced by csl::RandEnvelope::nextSegment(), csl::Envelope::scaleTimes(), and trigger().

void csl::LineSegment::trigger ( void  )
inlinevirtual

Reimplemented from csl::UnitGenerator.

Definition at line 68 of file Envelope.h.

References reset().

Referenced by test_SHARC2().

void LineSegment::dump ( void  )
virtual

reset internal time to restart envelope

Prints to screen the start and end values and the duration of the line.

Reimplemented from csl::UnitGenerator.

Definition at line 44 of file Envelope.cpp.

References kLine, csl::logMsg(), mDuration, mEnd, mMode, and mStart.

Referenced by csl::Envelope::dump(), and testGliss().

unsigned csl::UnitGenerator::frameRate ( )
inlineinherited
void csl::UnitGenerator::setFrameRate ( unsigned  rate)
inlineinherited

get/set the receiver's frame rate

Definition at line 250 of file CSL_Core.h.

References csl::UnitGenerator::mFrameRate.

void csl::UnitGenerator::setNumChannels ( unsigned  ch)
inlineinherited

get/set the receiver's number of outputs

Definition at line 253 of file CSL_Core.h.

References csl::UnitGenerator::mNumChannels.

Referenced by csl::BinauralPanner::BinauralPanner(), csl::Spatializer::Spatializer(), csl::VBAP::speakerLayoutChanged(), and csl::VBAP::VBAP().

BufferCopyPolicy csl::UnitGenerator::copyPolicy ( )
inlineinherited

Definition at line 255 of file CSL_Core.h.

References csl::UnitGenerator::mCopyPolicy.

void csl::UnitGenerator::setCopyPolicy ( BufferCopyPolicy  ch)
inlineinherited
virtual bool csl::UnitGenerator::isFixed ( )
inlinevirtualinherited

query whether I'm fixed (StaticVariable overrides this)

Reimplemented in csl::StaticVariable, and csl::BinaryOp.

Definition at line 271 of file CSL_Core.h.

virtual bool csl::UnitGenerator::isActive ( )
inlinevirtualinherited
UGenVector csl::UnitGenerator::outputs ( )
inlineinherited

Definition at line 277 of file CSL_Core.h.

References csl::UnitGenerator::mOutputs.

virtual unsigned csl::UnitGenerator::numOutputs ( )
inlinevirtualinherited

Definition at line 278 of file CSL_Core.h.

References csl::UnitGenerator::mNumOutputs.

bool UnitGenerator::checkFanOut ( Buffer outputBuffer)
throw (CException
)
inherited

check for fan-out and copy previous buffer; return true if fanning out

Definition at line 699 of file CSL_Core.cpp.

void UnitGenerator::handleFanOut ( Buffer outputBuffer)
throw (CException
)
inherited

Definition at line 713 of file CSL_Core.cpp.

References csl_max.

virtual void csl::UnitGenerator::setValue ( sample  theValue)
inlinevirtualinherited

set/get the value (not allowed in the abstract, useful for static values)

Reimplemented in csl::DynamicVariable, and csl::StaticVariable.

Definition at line 284 of file CSL_Core.h.

virtual sample csl::UnitGenerator::value ( )
inlinevirtualinherited

Reimplemented in csl::StaticVariable.

Definition at line 285 of file CSL_Core.h.

void UnitGenerator::zeroBuffer ( Buffer outputBuffer,
unsigned  outBufNum 
)
protectedinherited

utility method to zero out an outputBuffer

Definition at line 663 of file CSL_Core.cpp.

References csl::Buffer::buffer(), and csl::Buffer::mMonoBufferByteSize.

void Model::attachObserver ( Observer o)
inherited

(possibly notify obersvers on my death)

register/remove observers

Definition at line 502 of file CGestalt.cpp.

References csl::logMsg(), csl::Observer::mKey, and csl::Observer::mPeriod.

Referenced by CSLMIDIComponent::CSLMIDIComponent(), and csl::SpatialPanner::setSpeakerLayout().

void Model::detachObserver ( Observer o)
inherited
void Model::changed ( void *  argument)
inherited

this is what I send to myself to notify my observers; It's not overridden in general. It results in the observers receiving update() calls < override evaluate to filter updates to the observer map

Definition at line 540 of file CGestalt.cpp.

References csl::logMsg().

Referenced by csl::SpeakerLayout::addSpeaker(), csl::MIDIIn::handleIncomingMidiMessage(), and csl::SpeakerLayout::setDefaultSpeakerLayout().

virtual int csl::Model::evaluate ( void *  argument)
inlinevirtualinherited

Reimplemented in csl::MIDIIn.

Definition at line 270 of file CGestalt.h.

Member Data Documentation

float csl::LineSegment::mStart
protected

Start value.

Definition at line 72 of file Envelope.h.

Referenced by dump(), LineSegment(), reset(), setStart(), and start().

float csl::LineSegment::mEnd
protected

Ending value.

Definition at line 73 of file Envelope.h.

Referenced by dump(), end(), LineSegment(), and setEnd().

float csl::LineSegment::mDuration
protected

Length of the line segment (IN SECONDS)

Definition at line 74 of file Envelope.h.

Referenced by dump(), duration(), and setDuration().

LineMode csl::LineSegment::mMode
protected

How am I to calculate the values from start to end values of the line.

Definition at line 75 of file Envelope.h.

Referenced by dump(), and setMode().

float csl::LineSegment::mCurrentValue
protected

Internal book-keeping.

Definition at line 76 of file Envelope.h.

Referenced by reset(), and setStart().

unsigned csl::LineSegment::mCurrentFrame
protected

cache

Definition at line 77 of file Envelope.h.

Referenced by currentFrame(), and reset().

BufferCopyPolicy csl::UnitGenerator::mCopyPolicy
protectedinherited

the policy I use if asked for more or fewer channels

Definition at line 293 of file CSL_Core.h.

Referenced by csl::UnitGenerator::copyPolicy(), and csl::UnitGenerator::setCopyPolicy().

UGenVector csl::UnitGenerator::mOutputs
protectedinherited
unsigned csl::UnitGenerator::mNumOutputs
protectedinherited

the number of outputs

Definition at line 295 of file CSL_Core.h.

Referenced by csl::UnitGenerator::addOutput(), csl::UnitGenerator::numOutputs(), and csl::UnitGenerator::removeOutput().

Buffer* csl::UnitGenerator::mOutputCache
protectedinherited

my past output ring buffer (only used in case of fan-out)

Definition at line 296 of file CSL_Core.h.

Referenced by csl::UnitGenerator::addOutput().

unsigned csl::UnitGenerator::mSequence
protectedinherited

the highest-seen buffer seq number

Definition at line 297 of file CSL_Core.h.


The documentation for this class was generated from the following files: