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