diff options
Diffstat (limited to 'intern/audaspace/FX/AUD_BaseIIRFilterReader.h')
| -rw-r--r-- | intern/audaspace/FX/AUD_BaseIIRFilterReader.h | 43 |
1 files changed, 30 insertions, 13 deletions
diff --git a/intern/audaspace/FX/AUD_BaseIIRFilterReader.h b/intern/audaspace/FX/AUD_BaseIIRFilterReader.h index 436e6469a58..6bf877d66da 100644 --- a/intern/audaspace/FX/AUD_BaseIIRFilterReader.h +++ b/intern/audaspace/FX/AUD_BaseIIRFilterReader.h @@ -42,24 +42,19 @@ class AUD_BaseIIRFilterReader : public AUD_EffectReader { private: /** - * Channel count. + * Specs. */ - const int m_channels; + AUD_Specs m_specs; /** * Length of input samples needed. */ - const int m_xlen; + int m_xlen; /** * Length of output samples needed. */ - const int m_ylen; - - /** - * The playback buffer. - */ - AUD_Buffer m_buffer; + int m_ylen; /** * The last in samples array. @@ -97,24 +92,46 @@ protected: * \param in The count of past input samples needed. * \param out The count of past output samples needed. */ - AUD_BaseIIRFilterReader(AUD_IReader* reader, int in, int out); + AUD_BaseIIRFilterReader(AUD_Reference<AUD_IReader> reader, int in, int out); + + void setLengths(int in, int out); public: + /** + * Retrieves the last input samples. + * \param pos The position, valid are 0 (current) or negative values. + * \return The sample value. + */ inline sample_t x(int pos) { - return m_x[(m_xpos + pos + m_xlen) % m_xlen * m_channels + m_channel]; + return m_x[(m_xpos + pos + m_xlen) % m_xlen * m_specs.channels + m_channel]; } + /** + * Retrieves the last output samples. + * \param pos The position, valid are negative values. + * \return The sample value. + */ inline sample_t y(int pos) { - return m_y[(m_ypos + pos + m_ylen) % m_ylen * m_channels + m_channel]; + return m_y[(m_ypos + pos + m_ylen) % m_ylen * m_specs.channels + m_channel]; } virtual ~AUD_BaseIIRFilterReader(); - virtual void read(int & length, sample_t* & buffer); + virtual void read(int& length, bool& eos, sample_t* buffer); + /** + * Runs the filtering function. + * \return The current output sample value. + */ virtual sample_t filter()=0; + + /** + * Notifies the filter about a sample rate change. + * \param rate The new sample rate. + */ + virtual void sampleRateChanged(AUD_SampleRate rate); }; #endif //AUD_BASEIIRFILTERREADER |