Robin Davies
266 lines
9.6 KiB
C++
266 lines
9.6 KiB
C++
// 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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#pragma once
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#include "PluginHost.hpp"
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#include "Pedalboard.hpp"
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#include <lilv/lilv.h>
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#include "BufferPool.hpp"
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#include "IEffect.hpp"
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#include "Worker.hpp"
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#include "lv2/patch.lv2/patch.h"
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#include "lv2/log.lv2/log.h"
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#include "lv2/log.lv2/logger.h"
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#include "lv2/lv2plug.in/ns/extensions/units/units.h"
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#include "lv2/atom.lv2/forge.h"
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#include "AtomBuffer.hpp"
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#include "StateInterface.hpp"
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namespace pipedal
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{
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class RealtimeRingBufferWriter;
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class Lv2Effect : public IEffect
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{
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private:
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std::unique_ptr<StateInterface> stateInterface;
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void RestoreState(const PedalboardItem&pedalboardItem);
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std::map<std::string,AtomBuffer> patchPropertyPrototypes;
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IHost *pHost = nullptr;
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int numberOfInputs = 0;
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int numberOfOutputs = 0;
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int numberOfMidiInputs = 0;
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std::unique_ptr<Worker> worker;
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LilvInstance *pInstance;
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std::shared_ptr<Lv2PluginInfo> info;
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std::vector<float> controlValues;
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std::vector<int> inputAudioPortIndices;
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std::vector<int> outputAudioPortIndices;
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std::vector<int> inputAtomPortIndices;
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std::vector<int> outputAtomPortIndices;
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std::vector<int> inputMidiPortIndices;
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std::vector<int> outputMidiPortIndices;
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std::vector<int> midiInputIndices;
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std::vector<float *> inputAudioBuffers;
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std::vector<float *> outputAudioBuffers;
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std::vector<char *> inputAtomBuffers;
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std::vector<char *> outputAtomBuffers;
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std::vector<LV2_Feature *> features;
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LV2_Feature *work_schedule_feature = nullptr;
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virtual std::string GetUri() const { return info->uri(); }
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std::vector<const Lv2PortInfo *> realtimePortInfo;
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void PreparePortIndices();
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void ConnectControlPorts();
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void AssignUnconnectedPorts();
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LV2_Atom_Forge inputForgeRt;
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LV2_Atom_Forge_Frame input_frame;
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LV2_Atom_Forge outputForgeRt;
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class Urids
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{
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public:
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Urids(IHost *pHost)
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{
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atom__Chunk = pHost->GetLv2Urid(LV2_ATOM__Chunk);
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atom__Path = pHost->GetLv2Urid(LV2_ATOM__Path);
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atom__Float = pHost->GetLv2Urid(LV2_ATOM__Float);
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atom__Double = pHost->GetLv2Urid(LV2_ATOM__Double);
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atom__Int = pHost->GetLv2Urid(LV2_ATOM__Int);
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atom__Long = pHost->GetLv2Urid(LV2_ATOM__Long);
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atom__Bool = pHost->GetLv2Urid(LV2_ATOM__Bool);
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atom__String = pHost->GetLv2Urid(LV2_ATOM__String);
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atom__Vector = pHost->GetLv2Urid(LV2_ATOM__Vector);
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atom__Object = pHost->GetLv2Urid(LV2_ATOM__Object);
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atom__Sequence = pHost->GetLv2Urid(LV2_ATOM__Sequence);
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atom__URID = pHost->GetLv2Urid(LV2_ATOM__URID);
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patch__Get = pHost->GetLv2Urid(LV2_PATCH__Get);
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patch__Set = pHost->GetLv2Urid(LV2_PATCH__Set);
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patch__Put = pHost->GetLv2Urid(LV2_PATCH__Put);
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patch__body = pHost->GetLv2Urid(LV2_PATCH__body);
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patch__subject = pHost->GetLv2Urid(LV2_PATCH__subject);
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patch__property = pHost->GetLv2Urid(LV2_PATCH__property);
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patch__value = pHost->GetLv2Urid(LV2_PATCH__value);
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units__frame = pHost->GetLv2Urid(LV2_UNITS__frame);
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state__StateChanged = pHost->GetLv2Urid(LV2_STATE__StateChanged);
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}
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LV2_URID atom__Chunk;
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LV2_URID units__frame;
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LV2_URID pluginUri;
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LV2_URID atom__Bool;
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LV2_URID atom__Float;
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LV2_URID atom__Double;
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LV2_URID atom__Int;
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LV2_URID atom__Long;
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LV2_URID atom__String;
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LV2_URID atom__Object;
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LV2_URID atom__Vector;
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LV2_URID atom__Path;
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LV2_URID atom__Sequence;
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LV2_URID atom__URID;
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LV2_URID midi__Event;
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LV2_URID patch__Get;
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LV2_URID patch__Set;
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LV2_URID patch__Put;
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LV2_URID patch__body;
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LV2_URID patch__subject;
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LV2_URID patch__property;
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LV2_URID patch__value;
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LV2_URID state__StateChanged;
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};
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Urids urids;
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uint64_t instanceId;
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BufferPool bufferPool;
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static LV2_Worker_Status worker_schedule_fn(LV2_Worker_Schedule_Handle handle,
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uint32_t size,
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const void *data);
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void ResetInputAtomBuffer(char*data);
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void ResetOutputAtomBuffer(char*data);
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uint32_t bypassStartingSamples = 0;
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bool bypass = true;
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double targetBypass = 0;
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double currentBypass = 0;
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double currentBypassDx = 0;
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uint32_t bypassSamplesRemaining = 0;
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void BypassTo(float value);
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public:
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virtual bool GetLv2State(Lv2PluginState*state);
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virtual void RequestPatchProperty(LV2_URID uridUri);
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virtual void SetPatchProperty(LV2_URID uridUri,size_t size, LV2_Atom*value);
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virtual void GatherPatchProperties(RealtimePatchPropertyRequest*pRequest);
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virtual bool IsVst3() const { return false; }
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virtual void RelayPatchSetMessages(uint64_t instanceId,RealtimeRingBufferWriter *realtimeRingBufferWriter);
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virtual uint8_t*GetAtomInputBuffer() {
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if (this->inputAtomBuffers.size() == 0) return nullptr;
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return (uint8_t*)this->inputAtomBuffers[0];
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}
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virtual uint8_t*GetAtomOutputBuffer()
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{
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if (this->outputAtomBuffers.size() == 0) return nullptr;
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return (uint8_t*)this->outputAtomBuffers[0];
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}
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public:
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Lv2Effect(
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IHost *pHost,
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const std::shared_ptr<Lv2PluginInfo> &info,
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const PedalboardItem &pedalboardItem);
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~Lv2Effect();
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virtual void ResetAtomBuffers();
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virtual uint64_t GetInstanceId() const { return instanceId; }
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virtual int GetNumberOfInputAudioPorts() const { return inputAudioPortIndices.size(); }
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virtual int GetNumberOfOutputAudioPorts() const { return outputAudioPortIndices.size(); }
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virtual int GetNumberOfInputAtomPorts() const { return inputAtomPortIndices.size(); }
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virtual int GetNumberOfOutputAtomPorts() const { return outputAtomPortIndices.size(); }
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virtual int GetNumberOfMidiInputPorts() const { return inputMidiPortIndices.size(); }
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virtual int GetNumberOfMidiOutputPorts() const { return outputMidiPortIndices.size(); }
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virtual void SetAudioInputBuffer(int index, float *buffer);
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virtual float *GetAudioInputBuffer(int index) const { return this->inputAudioBuffers[index]; }
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virtual void SetAudioInputBuffer(float *buffer);
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virtual void SetAudioInputBuffers(float *left, float *right);
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virtual void SetAudioOutputBuffer(int index, float *buffer);
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virtual float *GetAudioOutputBuffer(int index) const { return this->outputAudioBuffers[index]; }
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virtual void SetAtomInputBuffer(int index, void *buffer) { this->inputAtomBuffers[index] = (char*)buffer;}
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virtual void *GetAtomInputBuffer(int index) const { return this->inputAtomBuffers[index]; }
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virtual void SetAtomOutputBuffer(int index, void *buffer) { this->outputAtomBuffers[index] = (char*)buffer; }
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virtual void *GetAtomOutputBuffer(int index) const { return this->outputAtomBuffers[index]; }
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virtual int GetControlIndex(const std::string &symbol) const;
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virtual void SetControl(int index, float value)
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{
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if (index == -1)
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{
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this->bypass = value != 0;
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} else {
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controlValues[index] = value;
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}
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}
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virtual float GetControlValue(int index) const {
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if (index == -1)
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{
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return this->bypass? 1: 0;
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}
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return controlValues[index];
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}
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virtual float GetOutputControlValue(int portIndex) const
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{
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return controlValues[portIndex];
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}
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virtual void SetBypass(bool bypass)
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{
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if (bypass != this->bypass)
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{
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this->bypass = bypass;
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BypassTo(bypass? 1.0f: 0.0f);
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}
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}
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virtual void Activate();
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virtual void Run(uint32_t samples, RealtimeRingBufferWriter *realtimeRingBufferWriter);
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virtual void Deactivate();
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};
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} // namespace
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