mirror of
https://github.com/robbert-vdh/yabridge.git
synced 2026-05-07 03:50:11 +02:00
Robbert van der Helm
374 lines
16 KiB
C++
374 lines
16 KiB
C++
// yabridge: a Wine VST bridge
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// Copyright (C) 2020-2021 Robbert van der Helm
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//
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// This program is free software: you can redistribute it and/or modify
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// it under the terms of the GNU General Public License as published by
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// the Free Software Foundation, either version 3 of the License, or
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// (at your option) any later version.
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//
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// This program is distributed in the hope that it will be useful,
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// but WITHOUT ANY WARRANTY; without even the implied warranty of
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// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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// GNU General Public License for more details.
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//
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// You should have received a copy of the GNU General Public License
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// along with this program. If not, see <https://www.gnu.org/licenses/>.
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#pragma once
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#include "../vst3.h"
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#include "plug-view-proxy.h"
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class Vst3PluginProxyImpl : public Vst3PluginProxy {
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public:
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Vst3PluginProxyImpl(Vst3PluginBridge& bridge,
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Vst3PluginProxy::ConstructArgs&& args);
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/**
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* When the reference count reaches zero and this destructor is called,
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* we'll send a request to the Wine plugin host to destroy the corresponding
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* object.
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*/
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~Vst3PluginProxyImpl();
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/**
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* We'll override the query interface to log queries for interfaces we do
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* not (yet) support.
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*/
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tresult PLUGIN_API queryInterface(const Steinberg::TUID _iid,
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void** obj) override;
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/**
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* Add a context menu created by a call to
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* `IComponentHandler3::createContextMenu` to our list of registered cotnext
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* menus. This way we can refer to it later when the plugin calls a function
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* on the proxy object we'll create for it.
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*/
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size_t register_context_menu(
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Steinberg::IPtr<Steinberg::Vst::IContextMenu> menu);
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/**
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* Unregister a context menu using the ID generated by a previous call to
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* `register_context_menu()`. This will release the context menu object
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* returned by the host.
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*/
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bool unregister_context_menu(size_t context_menu_id);
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// From `IAudioPresentationLatency`
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tresult PLUGIN_API
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setAudioPresentationLatencySamples(Steinberg::Vst::BusDirection dir,
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int32 busIndex,
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uint32 latencyInSamples) override;
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// From `IAudioProcessor`
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tresult PLUGIN_API
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setBusArrangements(Steinberg::Vst::SpeakerArrangement* inputs,
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int32 numIns,
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Steinberg::Vst::SpeakerArrangement* outputs,
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int32 numOuts) override;
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tresult PLUGIN_API
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getBusArrangement(Steinberg::Vst::BusDirection dir,
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int32 index,
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Steinberg::Vst::SpeakerArrangement& arr) override;
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tresult PLUGIN_API canProcessSampleSize(int32 symbolicSampleSize) override;
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uint32 PLUGIN_API getLatencySamples() override;
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tresult PLUGIN_API
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setupProcessing(Steinberg::Vst::ProcessSetup& setup) override;
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tresult PLUGIN_API setProcessing(TBool state) override;
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tresult PLUGIN_API process(Steinberg::Vst::ProcessData& data) override;
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uint32 PLUGIN_API getTailSamples() override;
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// From `IAutomationState`
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tresult PLUGIN_API setAutomationState(int32 state) override;
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// From `IComponent`
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tresult PLUGIN_API getControllerClassId(Steinberg::TUID classId) override;
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tresult PLUGIN_API setIoMode(Steinberg::Vst::IoMode mode) override;
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int32 PLUGIN_API getBusCount(Steinberg::Vst::MediaType type,
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Steinberg::Vst::BusDirection dir) override;
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tresult PLUGIN_API
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getBusInfo(Steinberg::Vst::MediaType type,
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Steinberg::Vst::BusDirection dir,
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int32 index,
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Steinberg::Vst::BusInfo& bus /*out*/) override;
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tresult PLUGIN_API
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getRoutingInfo(Steinberg::Vst::RoutingInfo& inInfo,
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Steinberg::Vst::RoutingInfo& outInfo /*out*/) override;
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tresult PLUGIN_API activateBus(Steinberg::Vst::MediaType type,
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Steinberg::Vst::BusDirection dir,
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int32 index,
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TBool state) override;
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tresult PLUGIN_API setActive(TBool state) override;
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tresult PLUGIN_API setState(Steinberg::IBStream* state) override;
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tresult PLUGIN_API getState(Steinberg::IBStream* state) override;
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// From `IConnectionPoint`
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tresult PLUGIN_API connect(IConnectionPoint* other) override;
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tresult PLUGIN_API disconnect(IConnectionPoint* other) override;
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tresult PLUGIN_API notify(Steinberg::Vst::IMessage* message) override;
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// From `IEditController`
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tresult PLUGIN_API setComponentState(Steinberg::IBStream* state) override;
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// `IEditController` also contains `getState()` and `setState()` functions.
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// These are identical to those defiend in `IComponent` and they're thus
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// handled in in the same function.
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int32 PLUGIN_API getParameterCount() override;
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tresult PLUGIN_API
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getParameterInfo(int32 paramIndex,
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Steinberg::Vst::ParameterInfo& info /*out*/) override;
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tresult PLUGIN_API
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getParamStringByValue(Steinberg::Vst::ParamID id,
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Steinberg::Vst::ParamValue valueNormalized /*in*/,
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Steinberg::Vst::String128 string /*out*/) override;
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tresult PLUGIN_API getParamValueByString(
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Steinberg::Vst::ParamID id,
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Steinberg::Vst::TChar* string /*in*/,
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Steinberg::Vst::ParamValue& valueNormalized /*out*/) override;
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Steinberg::Vst::ParamValue PLUGIN_API
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normalizedParamToPlain(Steinberg::Vst::ParamID id,
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Steinberg::Vst::ParamValue valueNormalized) override;
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Steinberg::Vst::ParamValue PLUGIN_API
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plainParamToNormalized(Steinberg::Vst::ParamID id,
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Steinberg::Vst::ParamValue plainValue) override;
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Steinberg::Vst::ParamValue PLUGIN_API
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getParamNormalized(Steinberg::Vst::ParamID id) override;
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tresult PLUGIN_API
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setParamNormalized(Steinberg::Vst::ParamID id,
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Steinberg::Vst::ParamValue value) override;
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tresult PLUGIN_API
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setComponentHandler(Steinberg::Vst::IComponentHandler* handler) override;
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Steinberg::IPlugView* PLUGIN_API
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createView(Steinberg::FIDString name) override;
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// From `IEditController2`
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tresult PLUGIN_API setKnobMode(Steinberg::Vst::KnobMode mode) override;
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tresult PLUGIN_API openHelp(TBool onlyCheck) override;
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tresult PLUGIN_API openAboutBox(TBool onlyCheck) override;
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// From `IEditControllerHostEditing`
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tresult PLUGIN_API
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beginEditFromHost(Steinberg::Vst::ParamID paramID) override;
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tresult PLUGIN_API
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endEditFromHost(Steinberg::Vst::ParamID paramID) override;
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// From `IInfoListener`
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tresult PLUGIN_API
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setChannelContextInfos(Steinberg::Vst::IAttributeList* list) override;
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// From `IKeyswitchController`
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int32 PLUGIN_API getKeyswitchCount(int32 busIndex, int16 channel) override;
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tresult PLUGIN_API
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getKeyswitchInfo(int32 busIndex,
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int16 channel,
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int32 keySwitchIndex,
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Steinberg::Vst::KeyswitchInfo& info /*out*/) override;
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// From `IMidiLearn`
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tresult PLUGIN_API
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onLiveMIDIControllerInput(int32 busIndex,
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int16 channel,
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Steinberg::Vst::CtrlNumber midiCC) override;
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// From `IMidiMapping`
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tresult PLUGIN_API
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getMidiControllerAssignment(int32 busIndex,
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int16 channel,
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Steinberg::Vst::CtrlNumber midiControllerNumber,
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Steinberg::Vst::ParamID& id /*out*/) override;
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// From `INoteExpressionController`
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int32 PLUGIN_API getNoteExpressionCount(int32 busIndex,
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int16 channel) override;
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tresult PLUGIN_API getNoteExpressionInfo(
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int32 busIndex,
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int16 channel,
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int32 noteExpressionIndex,
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Steinberg::Vst::NoteExpressionTypeInfo& info /*out*/) override;
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tresult PLUGIN_API getNoteExpressionStringByValue(
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int32 busIndex,
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int16 channel,
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Steinberg::Vst::NoteExpressionTypeID id,
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Steinberg::Vst::NoteExpressionValue valueNormalized /*in*/,
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Steinberg::Vst::String128 string /*out*/) override;
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tresult PLUGIN_API getNoteExpressionValueByString(
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int32 busIndex,
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int16 channel,
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Steinberg::Vst::NoteExpressionTypeID id,
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const Steinberg::Vst::TChar* string /*in*/,
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Steinberg::Vst::NoteExpressionValue& valueNormalized /*out*/) override;
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// From `INoteExpressionPhysicalUIMapping`
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tresult PLUGIN_API
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getPhysicalUIMapping(int32 busIndex,
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int16 channel,
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Steinberg::Vst::PhysicalUIMapList& list) override;
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// From `IPluginBase`
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tresult PLUGIN_API initialize(FUnknown* context) override;
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tresult PLUGIN_API terminate() override;
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// From `IPrefetchableSupport`
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tresult PLUGIN_API getPrefetchableSupport(
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Steinberg::Vst::PrefetchableSupport& prefetchable /*out*/) override;
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// From `IProgramListData`
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tresult PLUGIN_API
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programDataSupported(Steinberg::Vst::ProgramListID listId) override;
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tresult PLUGIN_API getProgramData(Steinberg::Vst::ProgramListID listId,
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int32 programIndex,
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Steinberg::IBStream* data) override;
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tresult PLUGIN_API setProgramData(Steinberg::Vst::ProgramListID listId,
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int32 programIndex,
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Steinberg::IBStream* data) override;
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// From `IUnitData`
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tresult PLUGIN_API
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unitDataSupported(Steinberg::Vst::UnitID unitId) override;
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tresult PLUGIN_API getUnitData(Steinberg::Vst::UnitID unitId,
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Steinberg::IBStream* data) override;
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tresult PLUGIN_API setUnitData(Steinberg::Vst::UnitID unitId,
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Steinberg::IBStream* data) override;
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// From `IUnitInfo`
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int32 PLUGIN_API getUnitCount() override;
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tresult PLUGIN_API
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getUnitInfo(int32 unitIndex,
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Steinberg::Vst::UnitInfo& info /*out*/) override;
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int32 PLUGIN_API getProgramListCount() override;
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tresult PLUGIN_API
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getProgramListInfo(int32 listIndex,
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Steinberg::Vst::ProgramListInfo& info /*out*/) override;
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tresult PLUGIN_API
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getProgramName(Steinberg::Vst::ProgramListID listId,
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int32 programIndex,
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Steinberg::Vst::String128 name /*out*/) override;
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tresult PLUGIN_API
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getProgramInfo(Steinberg::Vst::ProgramListID listId,
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int32 programIndex,
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Steinberg::Vst::CString attributeId /*in*/,
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Steinberg::Vst::String128 attributeValue /*out*/) override;
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tresult PLUGIN_API
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hasProgramPitchNames(Steinberg::Vst::ProgramListID listId,
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int32 programIndex) override;
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tresult PLUGIN_API
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getProgramPitchName(Steinberg::Vst::ProgramListID listId,
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int32 programIndex,
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int16 midiPitch,
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Steinberg::Vst::String128 name /*out*/) override;
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Steinberg::Vst::UnitID PLUGIN_API getSelectedUnit() override;
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tresult PLUGIN_API selectUnit(Steinberg::Vst::UnitID unitId) override;
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tresult PLUGIN_API
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getUnitByBus(Steinberg::Vst::MediaType type,
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Steinberg::Vst::BusDirection dir,
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int32 busIndex,
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int32 channel,
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Steinberg::Vst::UnitID& unitId /*out*/) override;
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tresult PLUGIN_API setUnitProgramData(int32 listOrUnitId,
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int32 programIndex,
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Steinberg::IBStream* data) override;
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// From `IXmlRepresentationController`
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tresult PLUGIN_API
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getXmlRepresentationStream(Steinberg::Vst::RepresentationInfo& info /*in*/,
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Steinberg::IBStream* stream /*out*/);
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/**
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* The component handler the host passed to us during
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* `IEditController::setComponentHandler()`. When the plugin makes a
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* callback on a component handler proxy object, we'll pass the call through
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* to this object.
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*/
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Steinberg::IPtr<Steinberg::Vst::IComponentHandler> component_handler;
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/**
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* If the host doesn't connect two objects directly in
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* `IConnectionPoint::connect` but instead connects them through a proxy,
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* we'll store that proxy here. This way we can then route messages sent by
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* the plugin through this proxy. So far this is only needed for Ardour.
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*/
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Steinberg::IPtr<Steinberg::Vst::IConnectionPoint> connection_point_proxy;
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/**
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* An unmanaged, raw pointer to the `IPlugView` instance returned in our
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* implementation of `IEditController::createView()`. We need this to handle
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* `IPlugFrame::resizeView()`, since that expects a pointer to the view that
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* gets resized.
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*
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* XXX: This approach of course won't work with multiple views, but the SDK
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* currently only defines a single type of view so that shouldn't be an
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* issue
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*/
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Vst3PlugViewProxyImpl* last_created_plug_view = nullptr;
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/**
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* A pointer to a context menu returned by the host as a response to a call
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* to `IComponentHandler3::createContextMenu`, as well as all targets we've
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* created for it. This way we can drop both all at once.
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*/
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struct ContextMenu {
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ContextMenu(Steinberg::IPtr<Steinberg::Vst::IContextMenu> menu);
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Steinberg::IPtr<Steinberg::Vst::IContextMenu> menu;
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/**
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* All targets we pass to `IContextMenu::addItem`. We'll store them per
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* item tag, so we can drop them together with the menu. We probably
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* don't have to use smart pointers for this, but the docs are missing a
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* lot of details o how this should be implemented and there's no
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* example implementation around.
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*/
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std::map<int32, Steinberg::IPtr<YaContextMenuTarget>> targets;
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};
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/**
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* All context menus created by this object through
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* `IComponentHandler3::createContextMenu()`. We'll generate a unique
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* identifier for each context menu just like we do for plugin objects. When
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* the plugin drops the context menu object, we'll also remove the
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* corresponding entry for this map causing the original pointer returned by
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* the host to get dropped a well.
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*
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* @see Vst3PluginProxyImpl::register_context_menu
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* @see Vst3PluginProxyImpl::unregister_context_menu
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*/
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std::map<size_t, ContextMenu> context_menus;
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std::mutex context_menus_mutex;
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// The following pointers are cast from `host_context` if
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// `IPluginBase::initialize()` has been called
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Steinberg::FUnknownPtr<Steinberg::Vst::IHostApplication> host_application;
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// The following pointers are cast from `component_handler` if
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// `IEditController::setComponentHandler()` has been called
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Steinberg::FUnknownPtr<Steinberg::Vst::IComponentHandler2>
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component_handler_2;
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Steinberg::FUnknownPtr<Steinberg::Vst::IComponentHandler3>
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component_handler_3;
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Steinberg::FUnknownPtr<Steinberg::Vst::IComponentHandlerBusActivation>
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component_handler_bus_activation;
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Steinberg::FUnknownPtr<Steinberg::Vst::IUnitHandler> unit_handler;
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Steinberg::FUnknownPtr<Steinberg::Vst::IUnitHandler2> unit_handler_2;
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private:
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Vst3PluginBridge& bridge;
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/**
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* An host context if we get passed one through `IPluginBase::initialize()`.
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* We'll read which interfaces it supports and we'll then create a proxy
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* object that supports those same interfaces. This should be the same for
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* all plugin instances so we should not have to store it here separately,
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* but for the sake of correctness we will.
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*/
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Steinberg::IPtr<Steinberg::FUnknown> host_context;
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/**
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* Used to assign unique identifiers to context menus created by
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* `IComponentHandler3::CreateContextMenu`.
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*
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* @related Vst3PluginProxyImpl::register_context_menu
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*/
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std::atomic_size_t current_context_menu_id;
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};
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