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https://github.com/robbert-vdh/yabridge.git
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Move the plugin interfaces to a subdirectory
This commit is contained in:
Robbert van der Helm
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// yabridge: a Wine VST bridge
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// Copyright (C) 2020 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 <bitsery/ext/std_optional.h>
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#include <pluginterfaces/vst/ivstaudioprocessor.h>
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#include "../../common.h"
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#include "../base.h"
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#include "../host-application.h"
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#include "../process-data.h"
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#pragma GCC diagnostic push
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#pragma GCC diagnostic ignored "-Wnon-virtual-dtor"
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/**
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* Wraps around `IAudioProcessor` for serialization purposes. This is
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* instantiated as part of `Vst3PluginProxy`.
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*/
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class YaAudioProcessor : public Steinberg::Vst::IAudioProcessor {
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public:
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/**
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* These are the arguments for creating a `YaAudioProcessor`.
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*/
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struct ConstructArgs {
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ConstructArgs();
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/**
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* Check whether an existing implementation implements `IAudioProcessor`
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* and read arguments from it.
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*/
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ConstructArgs(Steinberg::IPtr<Steinberg::FUnknown> object);
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/**
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* Whether the object supported this interface.
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*/
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bool supported;
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template <typename S>
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void serialize(S& s) {
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s.value1b(supported);
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}
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};
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/**
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* Instantiate this instance with arguments read from another interface
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* implementation.
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*/
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YaAudioProcessor(const ConstructArgs&& args);
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inline bool supported() { return arguments.supported; }
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/**
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* Message to pass through a call to
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* `IAudioProcessor::setBusArrangements(inputs, num_ins, outputs, num_outs)`
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* to the Wine plugin host.
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*/
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struct SetBusArrangements {
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using Response = UniversalTResult;
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native_size_t instance_id;
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// These are orginally C-style heap arrays, not normal pointers
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std::vector<Steinberg::Vst::SpeakerArrangement> inputs;
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int32 num_ins;
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std::vector<Steinberg::Vst::SpeakerArrangement> outputs;
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int32 num_outs;
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template <typename S>
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void serialize(S& s) {
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s.value8b(instance_id);
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s.container8b(inputs, max_num_speakers);
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s.value4b(num_ins);
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s.container8b(outputs, max_num_speakers);
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s.value4b(num_outs);
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}
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};
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virtual 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 = 0;
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/**
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* The response code and written state for a call to
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* `IAudioProcessor::getBusArrangement(dir, index, arr)`.
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*/
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struct GetBusArrangementResponse {
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UniversalTResult result;
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Steinberg::Vst::SpeakerArrangement updated_arr;
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template <typename S>
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void serialize(S& s) {
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s.object(result);
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s.value8b(updated_arr);
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}
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};
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/**
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* Message to pass through a call to
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* `IAudioProcessor::getBusArrangement(dir, index, arr)` to the Wine
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* plugin host.
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*/
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struct GetBusArrangement {
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using Response = GetBusArrangementResponse;
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native_size_t instance_id;
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Steinberg::Vst::BusDirection dir;
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int32 index;
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Steinberg::Vst::SpeakerArrangement arr;
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template <typename S>
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void serialize(S& s) {
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s.value8b(instance_id);
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s.value4b(dir);
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s.value4b(index);
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s.value8b(arr);
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}
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};
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virtual 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 = 0;
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/**
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* Message to pass through a call to
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* `IAudioProcessor::canProcessSampleSize(symbolic_sample_size)` to the Wine
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* plugin host.
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*/
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struct CanProcessSampleSize {
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using Response = UniversalTResult;
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native_size_t instance_id;
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int32 symbolic_sample_size;
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template <typename S>
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void serialize(S& s) {
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s.value8b(instance_id);
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s.value4b(symbolic_sample_size);
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}
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};
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virtual tresult PLUGIN_API
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canProcessSampleSize(int32 symbolicSampleSize) override = 0;
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/**
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* Message to pass through a call to `IAudioProcessor::getLatencySamples()`
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* to the Wine plugin host.
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*/
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struct GetLatencySamples {
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using Response = PrimitiveWrapper<uint32>;
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native_size_t instance_id;
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template <typename S>
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void serialize(S& s) {
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s.value8b(instance_id);
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}
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};
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virtual uint32 PLUGIN_API getLatencySamples() override = 0;
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/**
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* Message to pass through a call to
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* `IAudioProcessor::setupProcessing(setup)` to the Wine plugin host.
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*/
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struct SetupProcessing {
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using Response = UniversalTResult;
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native_size_t instance_id;
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Steinberg::Vst::ProcessSetup setup;
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template <typename S>
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void serialize(S& s) {
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s.value8b(instance_id);
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s.object(setup);
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}
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};
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virtual tresult PLUGIN_API
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setupProcessing(Steinberg::Vst::ProcessSetup& setup) override = 0;
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/**
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* Message to pass through a call to `IAudioProcessor::setProcessing(state)`
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* to the Wine plugin host.
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*/
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struct SetProcessing {
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using Response = UniversalTResult;
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native_size_t instance_id;
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TBool state;
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template <typename S>
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void serialize(S& s) {
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s.value8b(instance_id);
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s.value1b(state);
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}
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};
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virtual tresult PLUGIN_API setProcessing(TBool state) override = 0;
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/**
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* The response code and all the output data resulting from a call to
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* `IAudioProcessor::process(data)`.
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*/
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struct ProcessResponse {
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UniversalTResult result;
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YaProcessDataResponse output_data;
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template <typename S>
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void serialize(S& s) {
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s.object(result);
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s.object(output_data);
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}
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};
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/**
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* Message to pass through a call to `IAudioProcessor::process(data)` to the
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* Wine plugin host. This `YaProcessData` object wraps around all input
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* audio buffers, parameter changes and events along with all context data
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* provided by the host so we can send it to the Wine plugin host. We can
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* then use `YaProcessData::get()` on the Wine plugin host side to
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* reconstruct the original `ProcessData` object, and we then finally use
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* `YaProcessData::move_outputs_to_response()` to create a response object
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* that we can write back to the `ProcessData` object provided by the host.
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*/
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struct Process {
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using Response = ProcessResponse;
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native_size_t instance_id;
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YaProcessData data;
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template <typename S>
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void serialize(S& s) {
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s.value8b(instance_id);
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s.object(data);
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}
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};
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virtual tresult PLUGIN_API
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process(Steinberg::Vst::ProcessData& data) override = 0;
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/**
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* Message to pass through a call to `IAudioProcessor::getTailSamples()`
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* to the Wine plugin host.
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*/
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struct GetTailSamples {
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using Response = PrimitiveWrapper<uint32>;
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native_size_t instance_id;
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template <typename S>
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void serialize(S& s) {
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s.value8b(instance_id);
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}
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};
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virtual uint32 PLUGIN_API getTailSamples() override = 0;
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protected:
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ConstructArgs arguments;
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};
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#pragma GCC diagnostic pop
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namespace Steinberg {
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namespace Vst {
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template <typename S>
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void serialize(S& s, Steinberg::Vst::BusInfo& info) {
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s.value4b(info.mediaType);
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s.value4b(info.direction);
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s.value4b(info.channelCount);
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s.container2b(info.name);
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s.value4b(info.busType);
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s.value4b(info.flags);
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}
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template <typename S>
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void serialize(S& s, Steinberg::Vst::RoutingInfo& info) {
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s.value4b(info.mediaType);
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s.value4b(info.busIndex);
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s.value4b(info.channel);
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}
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template <typename S>
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void serialize(S& s, Steinberg::Vst::ProcessSetup& setup) {
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s.value4b(setup.processMode);
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s.value4b(setup.symbolicSampleSize);
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s.value4b(setup.maxSamplesPerBlock);
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s.value8b(setup.sampleRate);
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}
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} // namespace Vst
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} // namespace Steinberg
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