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MiniDexed/src/mixing_console.hpp

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//
// mixing_console.hpp
//
// MiniDexed - Dexed FM synthesizer for bare metal Raspberry Pi
// Copyright (C) 2022 The MiniDexed Team
//
// This program is free software: you can redistribute it and/or modify
// it under the terms of the GNU General Public License as published by
// the Free Software Foundation, either version 3 of the License, or
// (at your option) any later version.
//
// This program is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
// GNU General Public License for more details.
//
// You should have received a copy of the GNU General Public License
// along with this program. If not, see <http://www.gnu.org/licenses/>.
//
// Implementation of the MixingConsole class defined in mixing_console.h
#pragma once
#include "mixing_console_constants.h"
#include "fx_tube.h"
#include "fx_chorus.h"
#include "fx_flanger.h"
#include "fx_orbitone.h"
#include "fx_phaser.h"
#include "fx_delay.h"
#include "effect_platervbstereo.h"
#include "fx_shimmer_reverb.h"
#include "fx_dry.h"
#include "fx_unit2.hpp"
template<size_t nb_inputs>
class MixingConsole : public FXBase
{
DISALLOW_COPY_AND_ASSIGN(MixingConsole);
public:
MixingConsole(float32_t sampling_rate, size_t buffer_size);
~MixingConsole();
// Send section
inline void setChannelLevel(size_t in, float32_t lvl);
inline void setPan(size_t in, float32_t pan);
inline void setSendLevel(size_t in, MixerOutput fx, float32_t lvl);
inline void setInputSample(size_t in, float32_t sampleL, float32_t sampleR);
inline void setInputSampleBuffer(size_t in, float32_t* samples);
inline void setInputSampleBuffer(size_t in, float32_t* samplesL, float32_t* samplesR);
// Return section
inline void setReturnLevel(MixerOutput ret, MixerOutput dest, float32_t lvl);
inline void setReturnSample(MixerOutput ret, float32_t sampleL, float32_t sampleR);
// Get FX
inline FXElement* getFX(size_t fx);
inline FXUnit2<Tube>* getTube();
inline FXUnit2<Chorus>* getChorus();
inline FXUnit2<Flanger>* getFlanger();
inline FXUnit2<Orbitone>* getOrbitone();
inline FXUnit2<Phaser>* getPhaser();
inline FXUnit2<Delay>* getDelay();
inline FXUnit2<AudioEffectPlateReverb>* getPlateReverb();
inline FXUnit2<ShimmerReverb>* getShimmerReverb();
inline FXUnit2<Dry>* getDry();
// Processing
inline void init();
inline void reset();
inline void processSample(float32_t& outL, float32_t& outR);
void process(float32_t* outL, float32_t* outR);
protected:
inline void updatePan(size_t in);
inline void setLevel(size_t in, MixerOutput fx, float32_t lvl);
inline void setSample(size_t in, float32_t sampleL, float32_t sampleR);
private:
const size_t BufferSize;
float32_t channel_level_[nb_inputs];
float32_t pan_[StereoChannels::kNumChannels + 1][nb_inputs];
float32_t* input_sample_buffer_[StereoChannels::kNumChannels][nb_inputs];
float32_t input_samples_[StereoChannels::kNumChannels][nb_inputs + MixerOutput::kFXCount - 1];
float32_t levels_[MixerOutput::kFXCount][nb_inputs + MixerOutput::kFXCount - 1];
FXElement* fx_[MixerOutput::kFXCount];
FXUnit2<Tube>* tube_;
FXUnit2<Chorus>* chorus_;
FXUnit2<Flanger>* flanger_;
FXUnit2<Orbitone>* orbitone_;
FXUnit2<Phaser>* phaser_;
FXUnit2<Delay>* delay_;
FXUnit2<AudioEffectPlateReverb>* plate_reverb_;
FXUnit2<ShimmerReverb>* shimmer_reverb_;
FXUnit2<Dry>* dry_;
IMPLEMENT_DUMP(
const size_t space = 10;
const size_t precision = 5;
std::stringstream ss;
out << "START " << tag << "(" << typeid(*this).name() << ") dump" << std::endl << std::endl;
out << "\t" << "Input levels & Pan:" << std::endl;
{
SS_RESET(ss, precision, std::left);
SS_SPACE(ss, ' ', space, std::left, '|');
SS__TEXT(ss, ' ', space, std::left, '|', "Level");
SS__TEXT(ss, ' ', space, std::left, '|', "Pan L");
SS__TEXT(ss, ' ', space, std::left, '|', "Pan R");
SS__TEXT(ss, ' ', space, std::left, '|', "Pan");
out << "\t" << ss.str() << std::endl;
SS_RESET(ss, precision, std::left);
SS_SPACE(ss, '-', space, std::left, '+');
SS_SPACE(ss, '-', space, std::left, '+');
SS_SPACE(ss, '-', space, std::left, '+');
SS_SPACE(ss, '-', space, std::left, '+');
SS_SPACE(ss, '-', space, std::left, '+');
out << "\t" << ss.str() << std::endl;
for(size_t i = 0; i < nb_inputs; ++i)
{
std::stringstream s;
s << "* Input ";
s << (i + 1);
SS_RESET(ss, precision, std::left);
SS__TEXT(ss, ' ', space, std::left, '|', s.str());
SS__TEXT(ss, ' ', space - 1, std::right, " |", this->channel_level_[i]);
SS__TEXT(ss, ' ', space - 1, std::right, " |", this->pan_[StereoChannels::Left][i]);
SS__TEXT(ss, ' ', space - 1, std::right, " |", this->pan_[StereoChannels::Right][i]);
SS__TEXT(ss, ' ', space - 1, std::right, " |", this->pan_[StereoChannels::kNumChannels][i]);
out << "\t" << ss.str() << std::endl;
}
}
out << std::endl;
out << "\t" << "Mixing Console input samples:" << std::endl;
{
SS_RESET(ss, precision, std::left);
SS_SPACE(ss, ' ', space, std::left, '|');
for(size_t i = 0; i < nb_inputs; ++i)
{
std::stringstream s;
s << "Input ";
s << (i + 1);
SS__TEXT(ss, ' ', space, std::left, '|', s.str());
}
for(size_t i = 0; i < (MixerOutput::kFXCount - 1); ++i)
{
std::string s = toString(static_cast<MixerOutput>(i));
s.resize(space);
SS__TEXT(ss, ' ', space, std::left, '|', s.c_str());
}
out << "\t" << ss.str() << std::endl;
SS_RESET(ss, precision, std::left);
SS_SPACE(ss, '-', space, std::left, '+');
for(size_t i = 0; i < nb_inputs; ++i)
{
SS_SPACE(ss, '-', space, std::left, '+');
}
for(size_t i = 0; i < (MixerOutput::kFXCount - 1); ++i)
{
SS_SPACE(ss, '-', space, std::left, '+');
}
out << "\t" << ss.str() << std::endl;
const char* LR = "LR";
for(size_t c = 0; c < StereoChannels::kNumChannels; ++c)
{
std::stringstream s;
s << "* Input ";
s << LR[c];
SS_RESET(ss, precision, std::left);
SS__TEXT(ss, ' ', space, std::left, '|', s.str());
for(size_t i = 0; i < (nb_inputs + MixerOutput::kFXCount - 1); ++i)
{
SS__TEXT(ss, ' ', space - 1, std::right, " |", this->input_samples_[c][i]);
}
out << "\t" << ss.str() << std::endl;
}
}
out << std::endl;
out << "\t" << "Mixing Console levels:" << std::endl;
{
SS_RESET(ss, precision, std::left);
SS_SPACE(ss, ' ', space, std::left, '|');
for(size_t i = 0; i < nb_inputs; ++i)
{
std::stringstream s;
s << "Input ";
s << (i + 1);
SS__TEXT(ss, ' ', space, std::left, '|', s.str());
}
for(size_t i = 0; i < (MixerOutput::kFXCount - 1); ++i)
{
std::string s = toString(static_cast<MixerOutput>(i));
s.resize(space);
SS__TEXT(ss, ' ', space, std::left, '|', s.c_str());
}
out << "\t" << ss.str() << std::endl;
SS_RESET(ss, precision, std::left);
SS_SPACE(ss, '-', space, std::left, '+');
for(size_t i = 0; i < nb_inputs; ++i)
{
SS_SPACE(ss, '-', space, std::left, '+');
}
for(size_t i = 0; i < (MixerOutput::kFXCount - 1); ++i)
{
SS_SPACE(ss, '-', space, std::left, '+');
}
out << "\t" << ss.str() << std::endl;
for(size_t c = 0; c < MixerOutput::kFXCount; ++c)
{
SS_RESET(ss, precision, std::left);
std::string s = toString(static_cast<MixerOutput>(c));
s.resize(space);
SS__TEXT(ss, ' ', space, std::left, '|', s.c_str());
for(size_t i = 0; i < (nb_inputs + MixerOutput::kFXCount - 1); ++i)
{
SS__TEXT(ss, ' ', space - 1, std::right, " |", this->levels_[c][i]);
}
out << "\t" << ss.str() << std::endl;
}
}
out << std::endl;
if(deepInspection)
{
this->tube_->dump(out, deepInspection, tag + ".tube_");
this->chorus_->dump(out, deepInspection, tag + ".chorus_");
this->flanger_->dump(out, deepInspection, tag + ".flanger_");
this->orbitone_->dump(out, deepInspection, tag + ".orbitone_");
this->phaser_->dump(out, deepInspection, tag + ".phaser_");
this->delay_->dump(out, deepInspection, tag + ".delay_");
this->plate_reverb_->dump(out, deepInspection, tag + ".plate_reverb_");
this->shimmer_reverb_->dump(out, deepInspection, tag + ".shimmer_reverb_");
this->dry_->dump(out, deepInspection, tag + ".dry_");
}
out << "END " << tag << "(" << typeid(*this).name() << ") dump" << std::endl << std::endl;
)
IMPLEMENT_INSPECT(
size_t nb_errors = 0;
for(size_t i = 0; i < nb_inputs; ++i)
{
nb_errors += inspector(tag + ".level[ input #" + std::to_string(i) + " ]" , this->channel_level_[i], -1.0f, 1.0f, deepInspection);
nb_errors += inspector(tag + ".pan[ L ][ input #" + std::to_string(i) + " ]", this->pan_[StereoChannels::Left][i], -1.0f, 1.0f, deepInspection);
nb_errors += inspector(tag + ".pan[ R ][ input #" + std::to_string(i) + " ]", this->pan_[StereoChannels::Right][i], -1.0f, 1.0f, deepInspection);
nb_errors += inspector(tag + ".pan[ input #" + std::to_string(i) + " ]", this->pan_[StereoChannels::kNumChannels][i], -1.0f, 1.0f, deepInspection);
}
for(size_t i = 0; i < nb_inputs; ++i)
{
nb_errors += inspector(tag + ".input[ L ][ input #" + std::to_string(i) + " ]", this->input_samples_[StereoChannels::Left ][i], -1.0f, 1.0f, deepInspection);
nb_errors += inspector(tag + ".input[ R ][ input #" + std::to_string(i) + " ]", this->input_samples_[StereoChannels::Right][i], -1.0f, 1.0f, deepInspection);
}
for(size_t i = nb_inputs; i < (nb_inputs + MixerOutput::kFXCount - 1); ++i)
{
nb_errors += inspector(tag + ".input[ L ][ input " + toString(static_cast<MixerOutput>(i - nb_inputs)) + " ]", this->input_samples_[StereoChannels::Left ][i], -1.0f, 1.0f, deepInspection);
nb_errors += inspector(tag + ".input[ R ][ input " + toString(static_cast<MixerOutput>(i - nb_inputs)) + " ]", this->input_samples_[StereoChannels::Right][i], -1.0f, 1.0f, deepInspection);
}
for(size_t c = 0; c < MixerOutput::kFXCount; ++c)
{
for(size_t i = 0; i < (nb_inputs + MixerOutput::kFXCount - 1); ++i)
{
nb_errors += inspector(tag + ".levels[ " + std::to_string(c) + " ][ " + std::to_string(i) + " ]", this->levels_[c][i], -1.0f, 1.0f, deepInspection);
}
}
if(deepInspection)
{
for(size_t i = 0; i < nb_inputs; ++i)
{
for(size_t k = 0; k < this->BufferSize; ++k)
{
nb_errors += inspector(tag + ".input_sample_buffer_[ L ][ " + std::to_string(i) + " ][ " + std::to_string(k) +" ] ", this->input_sample_buffer_[StereoChannels::Left ][i][k], -1.0f, 1.0f, deepInspection);
nb_errors += inspector(tag + ".input_sample_buffer_[ R ][ " + std::to_string(i) + " ][ " + std::to_string(k) +" ] ", this->input_sample_buffer_[StereoChannels::Right][i][k], -1.0f, 1.0f, deepInspection);
}
}
nb_errors += this->tube_->inspect(inspector, deepInspection, tag + ".tube_");
nb_errors += this->chorus_->inspect(inspector, deepInspection, tag + ".chorus_");
nb_errors += this->flanger_->inspect(inspector, deepInspection, tag + ".flanger_");
nb_errors += this->orbitone_->inspect(inspector, deepInspection, tag + ".orbitone_");
nb_errors += this->phaser_->inspect(inspector, deepInspection, tag + ".phaser_");
nb_errors += this->delay_->inspect(inspector, deepInspection, tag + ".delay_");
nb_errors += this->plate_reverb_->inspect(inspector, deepInspection, tag + ".plate_reverb_");
nb_errors += this->shimmer_reverb_->inspect(inspector, deepInspection, tag + ".shimmer_reverb_");
nb_errors += this->dry_->inspect(inspector, deepInspection, tag + ".dry_");
}
return nb_errors;
)
};
template<size_t nb_inputs>
MixingConsole<nb_inputs>::MixingConsole(float32_t sampling_rate, size_t buffer_size) :
FXBase(sampling_rate),
BufferSize(buffer_size)
{
for(size_t i = 0; i < nb_inputs; ++i)
{
this->input_sample_buffer_[StereoChannels::Left ][i] = new float32_t[this->BufferSize];
this->input_sample_buffer_[StereoChannels::Right][i] = new float32_t[this->BufferSize];
memset(this->input_sample_buffer_[StereoChannels::Left ][i], 0, sizeof(float32_t) * this->BufferSize);
memset(this->input_sample_buffer_[StereoChannels::Right][i], 0, sizeof(float32_t) * this->BufferSize);
}
this->fx_[MixerOutput::FX_Tube] = this->tube_ = new FXUnit2<Tube>(sampling_rate);
this->fx_[MixerOutput::FX_Chorus] = this->chorus_ = new FXUnit2<Chorus>(sampling_rate);
this->fx_[MixerOutput::FX_Flanger] = this->flanger_ = new FXUnit2<Flanger>(sampling_rate);
this->fx_[MixerOutput::FX_Orbitone] = this->orbitone_ = new FXUnit2<Orbitone>(sampling_rate);
this->fx_[MixerOutput::FX_Phaser] = this->phaser_ = new FXUnit2<Phaser>(sampling_rate);
this->fx_[MixerOutput::FX_Delay] = this->delay_ = new FXUnit2<Delay>(sampling_rate);
this->fx_[MixerOutput::FX_PlateReverb] = this->plate_reverb_ = new FXUnit2<AudioEffectPlateReverb>(sampling_rate);
this->fx_[MixerOutput::FX_ShimmerReverb] = this->shimmer_reverb_ = new FXUnit2<ShimmerReverb>(sampling_rate);
this->fx_[MixerOutput::MainOutput] = this->dry_ = new FXUnit2<Dry>(sampling_rate);
this->init();
}
template<size_t nb_inputs>
MixingConsole<nb_inputs>::~MixingConsole()
{
for(size_t i = 0; i < nb_inputs; ++i)
{
delete this->input_sample_buffer_[StereoChannels::Left ][i];
delete this->input_sample_buffer_[StereoChannels::Right][i];
}
for(size_t i = 0; i < MixerOutput::kFXCount; ++i)
{
delete this->fx_[i];
}
}
// Send section
template<size_t nb_inputs>
void MixingConsole<nb_inputs>::setChannelLevel(size_t in, float32_t lvl)
{
assert(in < nb_inputs);
lvl = constrain(lvl, 0.0f, 1.0f);
if(lvl == this->channel_level_[in]) return;
this->channel_level_[in] = lvl;
this->updatePan(in);
}
template<size_t nb_inputs>
void MixingConsole<nb_inputs>::setPan(size_t in, float32_t pan)
{
assert(in < nb_inputs);
pan = constrain(pan, 0.0f, 1.0f);
if(pan == this->pan_[StereoChannels::kNumChannels][in]) return;
this->pan_[StereoChannels::kNumChannels][in] = pan;
this->updatePan(in);
}
template<size_t nb_inputs>
void MixingConsole<nb_inputs>::setSendLevel(size_t in, MixerOutput fx, float32_t lvl)
{
assert(in < nb_inputs);
assert(fx < MixerOutput::kFXCount);
this->setLevel(in, fx, lvl);
}
template<size_t nb_inputs>
void MixingConsole<nb_inputs>::setInputSample(size_t in, float32_t sampleL, float32_t sampleR)
{
assert(in < nb_inputs);
this->setSample(in, sampleL, sampleR);
}
template<size_t nb_inputs>
void MixingConsole<nb_inputs>::setInputSampleBuffer(size_t in, float32_t* samples)
{
assert(in < nb_inputs);
if(samples != nullptr)
{
arm_scale_f32(samples, this->pan_[StereoChannels::Left ][in], this->input_sample_buffer_[StereoChannels::Left ][in], this->BufferSize);
arm_scale_f32(samples, this->pan_[StereoChannels::Right][in], this->input_sample_buffer_[StereoChannels::Right][in], this->BufferSize);
}
else
{
memset(this->input_sample_buffer_[StereoChannels::Left ][in], 0, this->BufferSize * sizeof(float32_t));
memset(this->input_sample_buffer_[StereoChannels::Right][in], 0, this->BufferSize * sizeof(float32_t));
}
}
template<size_t nb_inputs>
void MixingConsole<nb_inputs>::setInputSampleBuffer(size_t in, float32_t* samplesL, float32_t* samplesR)
{
assert(in < nb_inputs);
if(samplesL != nullptr)
{
memcpy(this->input_sample_buffer_[StereoChannels::Left ][in], samplesL, this->BufferSize * sizeof(float32_t));
}
else
{
memset(this->input_sample_buffer_[StereoChannels::Left ][in], 0, this->BufferSize * sizeof(float32_t));
}
if(samplesR != nullptr)
{
memcpy(this->input_sample_buffer_[StereoChannels::Right][in], samplesR, this->BufferSize * sizeof(float32_t));
}
else
{
memset(this->input_sample_buffer_[StereoChannels::Right][in], 0, this->BufferSize * sizeof(float32_t));
}
}
// Return section
template<size_t nb_inputs>
void MixingConsole<nb_inputs>::setReturnLevel(MixerOutput ret, MixerOutput dest, float32_t lvl)
{
assert(ret < (MixerOutput::kFXCount - 1));
assert(dest < MixerOutput::kFXCount);
if(ret == dest)
{
// An FX cannot feedback on itself
return;
}
this->setLevel(nb_inputs + ret, dest, lvl);
}
template<size_t nb_inputs>
void MixingConsole<nb_inputs>::setReturnSample(MixerOutput ret, float32_t sampleL, float32_t sampleR)
{
assert(ret < (MixerOutput::kFXCount - 1));
this->setSample(nb_inputs + ret, sampleL, sampleR);
}
// Get FX
template<size_t nb_inputs>
FXElement* MixingConsole<nb_inputs>::getFX(size_t fx)
{
assert(fx < MixerOutput::kFXCount);
return this->fx_[fx];
}
template<size_t nb_inputs>
FXUnit2<Tube>* MixingConsole<nb_inputs>::getTube()
{
return this->tube_;
}
template<size_t nb_inputs>
FXUnit2<Chorus>* MixingConsole<nb_inputs>::getChorus()
{
return this->chorus_;
}
template<size_t nb_inputs>
FXUnit2<Flanger>* MixingConsole<nb_inputs>::getFlanger()
{
return this->flanger_;
}
template<size_t nb_inputs>
FXUnit2<Orbitone>* MixingConsole<nb_inputs>::getOrbitone()
{
return this->orbitone_;
}
template<size_t nb_inputs>
FXUnit2<Phaser>* MixingConsole<nb_inputs>::getPhaser()
{
return this->phaser_;
}
template<size_t nb_inputs>
FXUnit2<Delay>* MixingConsole<nb_inputs>::getDelay()
{
return this->delay_;
}
template<size_t nb_inputs>
FXUnit2<AudioEffectPlateReverb>* MixingConsole<nb_inputs>::getPlateReverb()
{
return this->plate_reverb_;
}
template<size_t nb_inputs>
FXUnit2<ShimmerReverb>* MixingConsole<nb_inputs>::getShimmerReverb()
{
return this->shimmer_reverb_;
}
template<size_t nb_inputs>
FXUnit2<Dry>* MixingConsole<nb_inputs>::getDry()
{
return this->dry_;
}
// Processing
template<size_t nb_inputs>
void MixingConsole<nb_inputs>::init()
{
memset(this->channel_level_, 0, nb_inputs * sizeof(float32_t));
for(size_t i = 0; i <= StereoChannels::kNumChannels; ++i) memset(this->pan_[i], 0, nb_inputs * sizeof(float32_t));
for(size_t i = 0; i < MixerOutput::kFXCount; ++i)
memset(this->levels_[i], 0, (nb_inputs + MixerOutput::kFXCount - 1) * sizeof(float32_t));
for(size_t i = 0; i < StereoChannels::kNumChannels; ++i)
memset(this->input_samples_[i], 0, (nb_inputs + MixerOutput::kFXCount - 1) * sizeof(float32_t));
this->reset();
}
template<size_t nb_inputs>
void MixingConsole<nb_inputs>::reset()
{
for(size_t i = 0; i < nb_inputs; ++i)
{
memset(this->input_sample_buffer_[StereoChannels::Left ][i], 0, this->BufferSize * sizeof(float32_t));
memset(this->input_sample_buffer_[StereoChannels::Right][i], 0, this->BufferSize * sizeof(float32_t));
}
for(size_t i = 0; i < MixerOutput::kFXCount; ++i)
{
this->fx_[i]->reset();
if(i != MixerOutput::MainOutput)
{
this->setReturnSample(static_cast<MixerOutput>(i), 0.0f, 0.0f);
}
}
}
template<size_t nb_inputs>
void MixingConsole<nb_inputs>::processSample(float32_t& outL, float32_t& outR)
{
const size_t bufferSize = nb_inputs + MixerOutput::kFXCount - 1;
float32_t fx_inputs_[MixerOutput::kFXCount][StereoChannels::kNumChannels];
float32_t fx_outputs_[MixerOutput::kFXCount][StereoChannels::kNumChannels];
for(size_t i = 0; i < MixerOutput::kFXCount; ++i)
{
// Compute the samples that will feed the MixerOutput and process MixerOutput
fx_inputs_[i][StereoChannels::Left ] = arm_weighted_sum_f32(this->input_samples_[StereoChannels::Left ], this->levels_[i], bufferSize);
fx_inputs_[i][StereoChannels::Right] = arm_weighted_sum_f32(this->input_samples_[StereoChannels::Right], this->levels_[i], bufferSize);
// Process the FX
this->fx_[i]->processSample(
fx_inputs_[i][StereoChannels::Left],
fx_inputs_[i][StereoChannels::Right],
fx_outputs_[i][StereoChannels::Left],
fx_outputs_[i][StereoChannels::Right]
);
if(i != MixerOutput::MainOutput)
{
// Feedback the resulting samples except for the main output
this->setReturnSample(
static_cast<MixerOutput>(i),
fx_outputs_[i][StereoChannels::Left],
fx_outputs_[i][StereoChannels::Right]
);
}
}
// Return this main output sample
outL = fx_inputs_[MixerOutput::MainOutput][StereoChannels::Left];
outR = fx_inputs_[MixerOutput::MainOutput][StereoChannels::Right];
}
template<size_t nb_inputs>
void MixingConsole<nb_inputs>::process(float32_t* outL, float32_t* outR)
{
for(size_t s = 0; s < this->BufferSize; ++s)
{
for(size_t in = 0; in < nb_inputs; ++in)
{
this->setSample(
in,
this->input_sample_buffer_[StereoChannels::Left ][in][s],
this->input_sample_buffer_[StereoChannels::Right][in][s]
);
}
this->processSample(*outL, *outR);
++outL;
++outR;
}
}
template<size_t nb_inputs>
void MixingConsole<nb_inputs>::updatePan(size_t in)
{
float32_t pan = mapfloat(this->pan_[StereoChannels::kNumChannels][in], 0.0f, 1.0f, 0.0, Constants::MPI_2);
this->pan_[StereoChannels::Left ][in] = arm_cos_f32(pan) * this->channel_level_[in];
this->pan_[StereoChannels::Right][in] = arm_sin_f32(pan) * this->channel_level_[in];
}
template<size_t nb_inputs>
void MixingConsole<nb_inputs>::setLevel(size_t in, MixerOutput fx, float32_t lvl)
{
assert(in < (nb_inputs + MixerOutput::kFXCount - 1));
assert(fx < MixerOutput::kFXCount);
this->levels_[fx][in] = constrain(lvl, 0.0f, 1.0f);
}
template<size_t nb_inputs>
void MixingConsole<nb_inputs>::setSample(size_t in, float32_t sampleL, float32_t sampleR)
{
assert(in < (nb_inputs + MixerOutput::kFXCount - 1));
this->input_samples_[StereoChannels::Left ][in] = sampleL;
this->input_samples_[StereoChannels::Right][in] = sampleR;
}