Interim checking, Convolution Reverb
This commit is contained in:
Robin Davies
@@ -0,0 +1,632 @@
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// Copyright (c) 2022 Robin Davies
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//
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// Permission is hereby granted, free of charge, to any person obtaining a copy of
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// this software and associated documentation files (the "Software"), to deal in
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// the Software without restriction, including without limitation the rights to
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// use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of
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// the Software, and to permit persons to whom the Software is furnished to do so,
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// subject to the following conditions:
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//
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// The above copyright notice and this permission notice shall be included in all
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// copies or substantial portions of the Software.
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//
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// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS
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// FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR
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// COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER
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// IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
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// CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
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#include "pch.h"
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#include "Lv2Pedalboard.hpp"
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#include "Lv2Effect.hpp"
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#include "SplitEffect.hpp"
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#include "RingBufferReader.hpp"
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#include "VuUpdate.hpp"
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#include "AudioHost.hpp"
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#include "Lv2EventBufferWriter.hpp"
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#include "Lv2Log.hpp"
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using namespace pipedal;
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float *Lv2Pedalboard::CreateNewAudioBuffer()
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{
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return bufferPool.AllocateBuffer<float>(pHost->GetMaxAudioBufferSize());
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}
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std::vector<float *> Lv2Pedalboard::AllocateAudioBuffers(int nChannels)
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{
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std::vector<float *> result;
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for (int i = 0; i < nChannels; ++i)
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{
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result.push_back(bufferPool.AllocateBuffer<float>(pHost->GetMaxAudioBufferSize()));
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}
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return result;
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}
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int Lv2Pedalboard::GetControlIndex(uint64_t instanceId, const std::string &symbol)
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{
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for (int i = 0; i < realtimeEffects.size(); ++i)
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{
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auto item = realtimeEffects[i];
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if (item->GetInstanceId() == instanceId)
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{
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return item->GetControlIndex(symbol);
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}
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}
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return -1;
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}
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std::vector<float *> Lv2Pedalboard::PrepareItems(
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std::vector<PedalboardItem> &items,
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std::vector<float *> inputBuffers)
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{
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for (int i = 0; i < items.size(); ++i)
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{
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auto &item = items[i];
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if (!item.isEmpty())
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{
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IEffect *pEffect = nullptr;
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if (item.isSplit())
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{
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auto pSplit = new SplitEffect(item.instanceId(), pHost->GetSampleRate(), inputBuffers);
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pEffect = pSplit;
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int topInputChannels = inputBuffers.size();
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int bottomInputChannels = inputBuffers.size();
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std::vector<float *> topInputs = AllocateAudioBuffers(topInputChannels);
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std::vector<float *> bottomInputs = AllocateAudioBuffers(bottomInputChannels);
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auto preMixAction = [pSplit](uint32_t frames)
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{ pSplit->PreMix(frames); };
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this->processActions.push_back(preMixAction);
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std::vector<float *> topResult = PrepareItems(item.topChain(), topInputs);
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std::vector<float *> bottomResult = PrepareItems(item.bottomChain(), bottomInputs);
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this->processActions.push_back(
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[pSplit](uint32_t frames)
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{ pSplit->PostMix(frames); });
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pSplit->SetChainBuffers(topInputs, bottomInputs, topResult, bottomResult);
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for (int i = 0; i < item.controlValues().size(); ++i)
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{
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auto &controlValue = item.controlValues()[i];
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int index = pSplit->GetControlIndex(controlValue.key());
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if (index != -1)
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{
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pSplit->SetControl(index, controlValue.value());
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}
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}
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}
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else
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{
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IEffect* pLv2Effect = nullptr;
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try {
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pLv2Effect = this->pHost->CreateEffect(item);
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} catch (const std::exception &e)
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{
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Lv2Log::warning(SS(e.what()));
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}
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if (pLv2Effect)
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{
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pEffect = pLv2Effect;
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uint64_t instanceId = pEffect->GetInstanceId();
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if (inputBuffers.size() == 1)
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{
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if (pLv2Effect->GetNumberOfInputAudioPorts() == 1)
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{
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pLv2Effect->SetAudioInputBuffer(0, inputBuffers[0]);
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}
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else
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{
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pLv2Effect->SetAudioInputBuffer(0, inputBuffers[0]);
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pLv2Effect->SetAudioInputBuffer(1, inputBuffers[0]);
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}
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}
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else
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{
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if (pLv2Effect->GetNumberOfInputAudioPorts() == 1)
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{
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pLv2Effect->SetAudioInputBuffer(0, inputBuffers[0]);
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auto inputBuffer = inputBuffers[0];
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}
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else
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{
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pLv2Effect->SetAudioInputBuffer(0, inputBuffers[0]);
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pLv2Effect->SetAudioInputBuffer(1, inputBuffers[1]);
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auto bufferL = inputBuffers[0];
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auto bufferR = inputBuffers[1];
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}
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}
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this->processActions.push_back(
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[pLv2Effect,this](uint32_t frames)
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{
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pLv2Effect->Run(frames,this->ringBufferWriter);
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});
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}
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}
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if (pEffect)
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{
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this->effects.push_back(std::shared_ptr<IEffect>(pEffect)); // for ownership.
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this->realtimeEffects.push_back(pEffect); // because std::shared_ptr is not threadsafe.
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std::vector<float *> effectOutput;
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#ifdef RECYCLE_AUDIO_BUFFERS
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// can't do this anymore if we're going to do pop-less bypbass.
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if (pEffect->GetNumberOfOutputAudioPorts() == 1)
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{
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float *pLeft = inputBuffers[0];
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effectOutput.push_back(pLeft);
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}
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else
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{
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if (inputBuffers.size() == 1)
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{
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effectOutput.push_back(inputBuffers[0]);
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effectOutput.push_back(CreateNewAudioBuffer());
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}
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else
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{
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effectOutput.push_back(inputBuffers[0]);
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effectOutput.push_back(inputBuffers[1]);
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}
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}
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#else
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if (pEffect->GetNumberOfOutputAudioPorts() == 1)
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{
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effectOutput.push_back(CreateNewAudioBuffer());
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}
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else
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{
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effectOutput.push_back(CreateNewAudioBuffer());
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effectOutput.push_back(CreateNewAudioBuffer());
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}
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#endif
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for (size_t i = 0; i < effectOutput.size(); ++i)
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{
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pEffect->SetAudioOutputBuffer(i, effectOutput[i]);
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}
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inputBuffers = effectOutput;
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}
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}
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}
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return inputBuffers;
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}
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void Lv2Pedalboard::Prepare(IHost *pHost, Pedalboard &pedalboard)
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{
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this->pHost = pHost;
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for (int i = 0; i < pHost->GetNumberOfInputAudioChannels(); ++i)
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{
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this->pedalboardInputBuffers.push_back(bufferPool.AllocateBuffer<float>(pHost->GetMaxAudioBufferSize()));
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}
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auto outputs = PrepareItems(pedalboard.items(), this->pedalboardInputBuffers);
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int nOutputs = pHost->GetNumberOfOutputAudioChannels();
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if (nOutputs == 1)
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{
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this->pedalboardOutputBuffers.push_back(outputs[0]);
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}
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else
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{
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if (outputs.size() == 1)
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{
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this->pedalboardOutputBuffers.push_back(outputs[0]);
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this->pedalboardOutputBuffers.push_back(outputs[0]);
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}
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else
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{
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this->pedalboardOutputBuffers.push_back(outputs[0]);
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this->pedalboardOutputBuffers.push_back(outputs[1]);
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}
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}
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PrepareMidiMap(pedalboard);
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}
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void Lv2Pedalboard::PrepareMidiMap(const PedalboardItem &pedalboardItem)
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{
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if (pedalboardItem.midiBindings().size() != 0)
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{
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auto pluginInfo = pHost->GetPluginInfo(pedalboardItem.uri());
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const Lv2PluginInfo *pPluginInfo;
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if (pluginInfo == nullptr && pedalboardItem.uri() == SPLIT_PEDALBOARD_ITEM_URI)
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{
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pPluginInfo = GetSplitterPluginInfo();
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} else {
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pPluginInfo = pluginInfo.get();
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}
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int effectIndex = this->GetIndexOfInstanceId(pedalboardItem.instanceId());
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if (pluginInfo && effectIndex != -1)
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{
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for (size_t bindingIndex = 0; bindingIndex < pedalboardItem.midiBindings().size(); ++bindingIndex)
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{
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auto &binding = pedalboardItem.midiBindings()[bindingIndex];
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{
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const Lv2PortInfo*pPortInfo;
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int controlIndex;
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if (binding.symbol() == "__bypass")
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{
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pPortInfo = GetBypassPortInfo();
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controlIndex = -1;
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} else {
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try {
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pPortInfo = &pluginInfo->getPort(binding.symbol());
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controlIndex = this->GetControlIndex(pedalboardItem.instanceId(), binding.symbol());
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} catch (const std::exception&ignored)
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{
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continue;
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}
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}
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MidiMapping mapping;
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mapping.pluginInfo = pluginInfo; // for lifetime management. <shrugs> We're holding internal pointers to this. May save us in a disorderly shutdown.
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mapping.pPortInfo = pPortInfo;
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mapping.effectIndex = effectIndex;
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mapping.controlIndex = controlIndex;
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mapping.midiBinding = binding;
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mapping.instanceId = pedalboardItem.instanceId();
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if (pPortInfo->IsSwitch())
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{
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mapping.mappingType = binding.switchControlType() == LATCH_CONTROL_TYPE ? MappingType::Latched : MappingType::Momentary;
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}
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else
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{
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mapping.mappingType = binding.linearControlType() == LATCH_CONTROL_TYPE ? MappingType::Linear : MappingType::Circular;
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}
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if (binding.bindingType() == BINDING_TYPE_NOTE)
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{
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mapping.key = 0x9000 | binding.note(); // i.e. midi note on.
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}
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else if (binding.bindingType() == BINDING_TYPE_CONTROL)
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{
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mapping.key = 0xB000 | binding.control(); // i.e. midi control
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}
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else
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{
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mapping.key = -1;
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}
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if (mapping.key != -1)
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{
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midiMappings.push_back(std::move(mapping));
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}
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}
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}
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}
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}
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for (size_t i = 0; i < pedalboardItem.topChain().size(); ++i)
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{
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PrepareMidiMap(pedalboardItem.topChain()[i]);
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}
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for (size_t i = 0; i < pedalboardItem.bottomChain().size(); ++i)
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{
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PrepareMidiMap(pedalboardItem.bottomChain()[i]);
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}
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}
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void Lv2Pedalboard::PrepareMidiMap(const Pedalboard &pedalboard)
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{
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for (size_t i = 0; i < pedalboard.items().size(); ++i)
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{
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auto &item = pedalboard.items()[i];
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PrepareMidiMap(item);
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auto pluginInfo = pHost->GetPluginInfo(item.uri());
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if (pluginInfo)
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{
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for (size_t bindingIndex = 0; bindingIndex < item.midiBindings().size(); ++bindingIndex)
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{
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auto &binding = item.midiBindings()[i];
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{
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}
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}
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}
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std::sort(this->midiMappings.begin(), this->midiMappings.end(),
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[](const MidiMapping &left, const MidiMapping &right)
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{ return left.key < right.key; });
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}
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}
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void Lv2Pedalboard::Activate()
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{
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for (int i = 0; i < this->effects.size(); ++i)
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{
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this->realtimeEffects[i]->Activate();
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}
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}
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void Lv2Pedalboard::Deactivate()
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{
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for (int i = 0; i < this->effects.size(); ++i)
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{
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this->realtimeEffects[i]->Deactivate();
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}
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}
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static void Copy(float *input, float *output, uint32_t samples)
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{
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for (uint32_t i = 0; i < samples; ++i)
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{
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output[i] = input[i];
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}
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}
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bool Lv2Pedalboard::Run(float **inputBuffers, float **outputBuffers, uint32_t samples, RealtimeRingBufferWriter*ringBufferWriter)
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{
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this->ringBufferWriter = ringBufferWriter;
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for (int i = 0; i < this->pedalboardInputBuffers.size(); ++i)
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{
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if (inputBuffers[i] == nullptr)
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return false;
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Copy(inputBuffers[i], this->pedalboardInputBuffers[i], samples);
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}
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for (int i = 0; i < this->processActions.size(); ++i)
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{
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processActions[i](samples);
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}
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for (int i = 0; i < this->pedalboardOutputBuffers.size(); ++i)
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{
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if (outputBuffers[i] == nullptr)
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return false;
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Copy(this->pedalboardOutputBuffers[i], outputBuffers[i], samples);
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}
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return true;
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}
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float Lv2Pedalboard::GetControlOutputValue(int effectIndex, int portIndex)
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{
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auto effect = realtimeEffects[effectIndex];
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return effect->GetOutputControlValue(portIndex);
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}
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void Lv2Pedalboard::SetControlValue(int effectIndex, int index, float value)
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{
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auto effect = realtimeEffects[effectIndex];
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effect->SetControl(index, value);
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}
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void Lv2Pedalboard::SetBypass(int effectIndex, bool enabled)
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{
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auto effect = realtimeEffects[effectIndex];
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effect->SetBypass(enabled);
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}
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void Lv2Pedalboard::ComputeVus(RealtimeVuBuffers *vuConfiguration, uint32_t samples)
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{
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for (size_t i = 0; i < vuConfiguration->enabledIndexes.size(); ++i)
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{
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int index = vuConfiguration->enabledIndexes[i];
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VuUpdate *pUpdate = &vuConfiguration->vuUpdateWorkingData[i];
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auto effect = this->realtimeEffects[index];
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if (effect->GetNumberOfInputAudioPorts() == 1)
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{
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pUpdate->AccumulateInputs(effect->GetAudioInputBuffer(0), samples);
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}
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else
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{
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pUpdate->AccumulateInputs(
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effect->GetAudioInputBuffer(0),
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effect->GetAudioInputBuffer(1), samples);
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}
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if (effect->GetNumberOfOutputAudioPorts() == 1)
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{
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pUpdate->AccumulateOutputs(effect->GetAudioOutputBuffer(0), samples);
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}
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else
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{
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pUpdate->AccumulateOutputs(
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effect->GetAudioOutputBuffer(0),
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effect->GetAudioOutputBuffer(1),
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samples);
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}
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}
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}
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void Lv2Pedalboard::ResetAtomBuffers()
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{
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for (size_t i = 0; i < this->effects.size(); ++i)
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{
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auto effect = this->effects[i];
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effect->ResetAtomBuffers();
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}
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}
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void Lv2Pedalboard::ProcessParameterRequests(RealtimePatchPropertyRequest *pParameterRequests)
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{
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while (pParameterRequests != nullptr)
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{
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IEffect *pEffect = this->GetEffect(pParameterRequests->instanceId);
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if (pEffect == nullptr)
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{
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pParameterRequests->errorMessage = "No such effect.";
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} else if (pEffect->IsVst3())
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{
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pParameterRequests->errorMessage = "Not supported for VST3 plugins";
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} else {
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Lv2Effect *pLv2Effect = dynamic_cast<Lv2Effect*>(pEffect);
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if (pParameterRequests->requestType == RealtimePatchPropertyRequest::RequestType::PatchGet)
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{
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pLv2Effect->RequestPatchProperty(pParameterRequests->uridUri);
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} else if (pParameterRequests->requestType == RealtimePatchPropertyRequest::RequestType::PatchSet) {
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pLv2Effect->SetPatchProperty(
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pParameterRequests->uridUri,
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pParameterRequests->GetSize(),
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(LV2_Atom*)pParameterRequests->GetBuffer()
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);
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||||
}
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}
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pParameterRequests = pParameterRequests->pNext;
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}
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}
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void Lv2Pedalboard::GatherPatchProperties(RealtimePatchPropertyRequest *pParameterRequests)
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{
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while (pParameterRequests != nullptr)
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||||
{
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if (pParameterRequests->requestType == RealtimePatchPropertyRequest::RequestType::PatchGet)
|
||||
{
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||||
IEffect *effect = this->GetEffect(pParameterRequests->instanceId);
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if (effect == nullptr)
|
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{
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pParameterRequests->errorMessage = "No such effect.";
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||||
} else if (effect->IsVst3())
|
||||
{
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pParameterRequests->errorMessage = "Not supported for VST3";
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}
|
||||
else
|
||||
{
|
||||
Lv2Effect *pLv2Effect = dynamic_cast<Lv2Effect*>(effect);
|
||||
pLv2Effect->GatherPatchProperties(pParameterRequests);
|
||||
}
|
||||
}
|
||||
|
||||
pParameterRequests = pParameterRequests->pNext;
|
||||
}
|
||||
}
|
||||
|
||||
void Lv2Pedalboard::OnMidiMessage(size_t size, uint8_t *message,
|
||||
void *callbackHandle,
|
||||
MidiCallbackFn *pfnCallback)
|
||||
|
||||
{
|
||||
if (midiMappings.size() == 0)
|
||||
return;
|
||||
|
||||
if (size < 2)
|
||||
return;
|
||||
uint8_t cmd = message[0];
|
||||
uint8_t channel = cmd & 0x0F;
|
||||
cmd &= 0xF0;
|
||||
|
||||
uint8_t value;
|
||||
uint8_t index;
|
||||
if (cmd == 0x80) // note off.
|
||||
{
|
||||
index = message[1];
|
||||
cmd = 0x90;
|
||||
index = message[1];
|
||||
value = 0;
|
||||
}
|
||||
else if (cmd == 0x90) // note on.
|
||||
{
|
||||
if (size < 3)
|
||||
return;
|
||||
index = message[1];
|
||||
value = 127;
|
||||
}
|
||||
else if (cmd == 0xB0) // midi control.
|
||||
{
|
||||
if (size < 3)
|
||||
return;
|
||||
index = message[1];
|
||||
value = message[2] & 0x7F;
|
||||
}
|
||||
int searchKey = (cmd << 8) | index;
|
||||
int min = 0;
|
||||
int max = midiMappings.size() - 1;
|
||||
while (max > min)
|
||||
{
|
||||
int mid = (min + max) / 2;
|
||||
if (midiMappings[mid].key < searchKey)
|
||||
{
|
||||
min = mid + 1;
|
||||
}
|
||||
else if (midiMappings[mid].key > searchKey)
|
||||
{
|
||||
max = mid - 1;
|
||||
}
|
||||
else
|
||||
{
|
||||
if (mid == 0)
|
||||
{
|
||||
min = max = mid;
|
||||
}
|
||||
else
|
||||
{
|
||||
if (midiMappings[mid - 1].key == searchKey)
|
||||
{
|
||||
max = mid - 1;
|
||||
}
|
||||
else
|
||||
{
|
||||
min = max = mid;
|
||||
}
|
||||
}
|
||||
}
|
||||
}
|
||||
if (midiMappings[min].key == searchKey)
|
||||
{
|
||||
float range = value / 127.0;
|
||||
|
||||
for (int i = min; i < midiMappings.size(); ++i)
|
||||
{
|
||||
auto &mapping = midiMappings[i];
|
||||
if (mapping.key != searchKey)
|
||||
break;
|
||||
|
||||
if (mapping.midiBinding.channel() == -1 || mapping.midiBinding.channel() == channel)
|
||||
{
|
||||
switch (mapping.mappingType)
|
||||
{
|
||||
case MappingType::Circular:
|
||||
case MappingType::Linear:
|
||||
{
|
||||
float thisRange = (mapping.midiBinding.maxValue() - mapping.midiBinding.minValue()) * range + mapping.midiBinding.minValue();
|
||||
float value = mapping.pPortInfo->rangeToValue(thisRange);
|
||||
this->SetControlValue(mapping.effectIndex, mapping.controlIndex, value);
|
||||
pfnCallback(callbackHandle, mapping.instanceId, mapping.pPortInfo->index(), value);
|
||||
break;
|
||||
}
|
||||
case MappingType::Latched:
|
||||
{
|
||||
range = std::round(range);
|
||||
|
||||
if (!mapping.hasLastValue)
|
||||
{
|
||||
mapping.lastValue = 0;
|
||||
mapping.hasLastValue = true;
|
||||
}
|
||||
if (range != mapping.lastValue && range == 1)
|
||||
{
|
||||
IEffect *pEffect = this->realtimeEffects[mapping.effectIndex];
|
||||
float currentValue = pEffect->GetControlValue(mapping.controlIndex);
|
||||
currentValue = currentValue == 0 ? 1 : 0;
|
||||
pEffect->SetControl(mapping.controlIndex, currentValue);
|
||||
pfnCallback(callbackHandle, mapping.instanceId, mapping.pPortInfo->index(), currentValue);
|
||||
}
|
||||
mapping.lastValue = range;
|
||||
break;
|
||||
}
|
||||
case MappingType::Momentary:
|
||||
{
|
||||
IEffect *pEffect = this->realtimeEffects[mapping.effectIndex];
|
||||
float value = mapping.pPortInfo->rangeToValue(range);
|
||||
if (pEffect->GetControlValue(mapping.controlIndex) != value)
|
||||
{
|
||||
this->SetControlValue(mapping.effectIndex, mapping.controlIndex, value);
|
||||
pfnCallback(callbackHandle, mapping.instanceId, mapping.pPortInfo->index(), value);
|
||||
}
|
||||
break;
|
||||
}
|
||||
}
|
||||
}
|
||||
}
|
||||
}
|
||||
}
|
||||
Reference in New Issue
Block a user