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Audaspace 1.8.0
A high level audio library.
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This class is for infinite impulse response filters with simple coefficients. More...
#include <IIRFilterReader.h>

Public Member Functions | |
| IIRFilterReader (std::shared_ptr< IReader > reader, const std::vector< float > &b, const std::vector< float > &a) | |
| Creates a new IIR filter reader. | |
| virtual sample_t | filter () |
| Runs the filtering function. | |
| void | setCoefficients (const std::vector< float > &b, const std::vector< float > &a) |
| Sets new filter coefficients. | |
| Public Member Functions inherited from BaseIIRFilterReader | |
| sample_t | x (int pos) |
| Retrieves the last input samples. | |
| sample_t | y (int pos) |
| Retrieves the last output samples. | |
| virtual void | read (int &length, bool &eos, sample_t *buffer) |
| Request to read the next length samples out of the source. | |
| virtual void | sampleRateChanged (SampleRate rate) |
| Notifies the filter about a sample rate change. | |
| Public Member Functions inherited from EffectReader | |
| EffectReader (std::shared_ptr< IReader > reader) | |
| Creates a new effect reader. | |
| virtual | ~EffectReader () |
| Destroys the reader. | |
| virtual bool | isSeekable () const |
| Tells whether the source provides seeking functionality or not. | |
| virtual void | seek (int position) |
| Seeks to a specific position in the source. | |
| virtual int | getLength () const |
| Returns an approximated length of the source in samples. | |
| virtual int | getPosition () const |
| Returns the position of the source as a sample count value. | |
| virtual Specs | getSpecs () const |
| Returns the specification of the reader. | |
| Public Member Functions inherited from IReader | |
| virtual | ~IReader () |
| Destroys the reader. | |
Additional Inherited Members | |
| Protected Member Functions inherited from BaseIIRFilterReader | |
| BaseIIRFilterReader (std::shared_ptr< IReader > reader, int in, int out) | |
| Creates a new base IIR filter reader. | |
| void | setLengths (int in, int out) |
| Sets the length for the required input and output samples of the IIR filter. | |
| Protected Attributes inherited from EffectReader | |
| std::shared_ptr< IReader > | m_reader |
| The reader to read from. | |
This class is for infinite impulse response filters with simple coefficients.
| IIRFilterReader::IIRFilterReader | ( | std::shared_ptr< IReader > | reader, |
| const std::vector< float > & | b, | ||
| const std::vector< float > & | a ) |
Creates a new IIR filter reader.
| reader | The reader to read from. |
| b | The input filter coefficients. |
| a | The output filter coefficients. |
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virtual |
Runs the filtering function.
Implements BaseIIRFilterReader.
| void IIRFilterReader::setCoefficients | ( | const std::vector< float > & | b, |
| const std::vector< float > & | a ) |
Sets new filter coefficients.
| b | The input filter coefficients. |
| a | The output filter coefficients. |