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https://codeberg.org/armin/justasample.git
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131 lines
3.7 KiB
C++
131 lines
3.7 KiB
C++
/*
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==============================================================================
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ReaperVST3Extensions.cpp
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Created: 14 May 2025 9:43:44pm
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Author: binya
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==============================================================================
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*/
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#include "ReaperVST3Extensions.h"
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namespace reaper
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{
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DEF_CLASS_IID(IReaperHostApplication)
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}
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juce::String ReaperVST3Extensions::getNamedConfigParam(const juce::String& paramName) const
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{
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if (GetSetMediaTrackInfo_String == nullptr || GetTrack == nullptr || trackIndex < 0)
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return {};
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MediaTrack* track = GetTrack(nullptr, trackIndex);
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if (track == nullptr)
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return {};
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// If our track index has not yet been updated, exit early
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if (GetTrackGUID(track) != trackGUID)
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return {};
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constexpr int buffSize = 512;
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char buffer[buffSize] = {};
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bool success = GetSetMediaTrackInfo_String(track, paramName.getCharPointer(), buffer, false);
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if (!success || buffer[0] == 0)
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return {};
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return juce::String::fromUTF8(buffer);
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}
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void ReaperVST3Extensions::setNamedConfigParam(const juce::String& paramName, const juce::String& value) const
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{
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if (GetSetMediaTrackInfo_String == nullptr || GetTrack == nullptr || trackIndex < 0)
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return;
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MediaTrack* track = GetTrack(nullptr, trackIndex);
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if (track == nullptr)
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return;
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// If our track index has not yet been updated, exit early
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if (GetTrackGUID(track) != trackGUID)
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return;
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GetSetMediaTrackInfo_String(track, paramName.getCharPointer(), value.getCharPointer().getAddress(), true);
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}
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void ReaperVST3Extensions::setIHostApplication(Steinberg::FUnknown* ptr)
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{
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if (ptr == nullptr)
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return;
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void* rawInterface = nullptr;
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if (ptr->queryInterface(reaper::IReaperHostApplication::iid, &rawInterface) == Steinberg::kResultOk)
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{
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if (void* fnPtr = static_cast<reaper::IReaperHostApplication*> (rawInterface)->getReaperApi("GetSetMediaTrackInfo_String"))
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{
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GetSetMediaTrackInfo_String = reinterpret_cast<bool (*)(MediaTrack*, const char*, char*, bool)>(fnPtr);
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}
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if (void* fnPtr = static_cast<reaper::IReaperHostApplication*> (rawInterface)->getReaperApi("GetTrack"))
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{
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GetTrack = reinterpret_cast<MediaTrack * (*)(ReaProject*, int)>(fnPtr);
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}
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if (void* fnPtr = static_cast<reaper::IReaperHostApplication*> (rawInterface)->getReaperApi("GetTrackGUID"))
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{
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GetTrackGUID = reinterpret_cast<GUID * (*)(MediaTrack*)>(fnPtr);
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}
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}
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}
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int32_t ReaperVST3Extensions::queryIEditController(const Steinberg::TUID string, void** obj)
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{
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#if JAS_VST3_REAPER_INTEGRATION
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if (obj == nullptr)
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return -1;
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if (Steinberg::FUnknownPrivate::iidEqual(string, Steinberg::Vst::ChannelContext::IInfoListener::iid))
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{
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*obj = static_cast<Steinberg::Vst::ChannelContext::IInfoListener*>(this);
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return 0;
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}
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*obj = nullptr;
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#endif
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return -1;
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}
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Steinberg::tresult ReaperVST3Extensions::queryInterface(const Steinberg::TUID /*_iid*/, void** /*obj*/)
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{
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return Steinberg::kNoInterface;
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}
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Steinberg::uint32 ReaperVST3Extensions::addRef()
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{
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return 1;
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}
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Steinberg::uint32 ReaperVST3Extensions::release()
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{
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return 1;
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}
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Steinberg::tresult ReaperVST3Extensions::setChannelContextInfos(Steinberg::Vst::IAttributeList* list)
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{
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if (!list || GetTrackGUID == nullptr)
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return Steinberg::kResultFalse;
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Steinberg::int64 idx = -1;
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if (list->getInt(Steinberg::Vst::ChannelContext::kChannelIndexKey, idx) == Steinberg::kResultTrue)
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{
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trackIndex = static_cast<int>(idx) - 1;
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trackGUID = GetTrackGUID(GetTrack(nullptr, trackIndex));
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}
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return Steinberg::kResultOk;
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}
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