MayaFlux 0.4.0
Digital-First Multimedia Processing Framework
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◆ process_bidirectional()

void MayaFlux::Nodes::Network::WaveguideNetwork::process_bidirectional ( WaveguideSegment seg,
unsigned int  num_samples,
std::vector< double > &  out 
)
private

Definition at line 187 of file WaveguideNetwork.cpp.

189{
190 const double continuous_gain = (m_exciter_type == ExciterType::CONTINUOUS && m_exciter_node)
191 ? 1.0 / seg.loss_factor
192 : 1.0;
193
194 for (unsigned int i = 0; i < num_samples; ++i) {
195 const double exciter = generate_exciter_sample();
196
197 const double plus_end = read_with_interpolation(
199
200 const double minus_end = read_with_interpolation(
202
203 auto* filt_open = seg.loop_filter_open ? seg.loop_filter_open.get()
204 : seg.loop_filter.get();
205 auto* filt_closed = seg.loop_filter_closed ? seg.loop_filter_closed.get()
206 : seg.loop_filter.get();
207
208 const double filtered_plus = (m_exciter_type != ExciterType::CONTINUOUS && filt_open)
209 ? filt_open->process_sample(plus_end)
210 : plus_end;
211 const double filtered_minus = (m_exciter_type != ExciterType::CONTINUOUS && filt_closed)
212 ? filt_closed->process_sample(minus_end)
213 : minus_end;
214
215 seg.p_minus.push(filtered_plus * seg.loss_factor * seg.reflection_open * continuous_gain);
216 seg.p_plus.push(exciter + filtered_minus * seg.loss_factor * seg.reflection_closed * continuous_gain);
217
218 out[i] = observe_sample(seg);
219 }
220}
double observe_sample(const WaveguideSegment &seg) const
double read_with_interpolation(const Memory::HistoryBuffer< double > &delay, size_t integer_part, double fraction) const
Read from delay line with linear fractional interpolation.
@ CONTINUOUS
External node as continuous exciter (bowing)

References CONTINUOUS, generate_exciter_sample(), MayaFlux::Nodes::Network::WaveguideNetwork::WaveguideSegment::loop_filter, MayaFlux::Nodes::Network::WaveguideNetwork::WaveguideSegment::loop_filter_closed, MayaFlux::Nodes::Network::WaveguideNetwork::WaveguideSegment::loop_filter_open, MayaFlux::Nodes::Network::WaveguideNetwork::WaveguideSegment::loss_factor, m_delay_length_fraction, m_delay_length_integer, m_exciter_node, m_exciter_type, observe_sample(), MayaFlux::Nodes::Network::WaveguideNetwork::WaveguideSegment::p_minus, MayaFlux::Nodes::Network::WaveguideNetwork::WaveguideSegment::p_plus, MayaFlux::Memory::HistoryBuffer< T >::push(), read_with_interpolation(), MayaFlux::Nodes::Network::WaveguideNetwork::WaveguideSegment::reflection_closed, and MayaFlux::Nodes::Network::WaveguideNetwork::WaveguideSegment::reflection_open.

Referenced by process_batch().

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