Robin E.R. Davies
1656 lines
54 KiB
C++
1656 lines
54 KiB
C++
// Copyright (c) Robin E.R. 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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#include "pch.h"
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#include "restrict.hpp"
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#include "Lv2Effect.hpp"
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#include "PiPedalException.hpp"
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#include <lv2/lv2plug.in/ns/ext/worker/worker.h>
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#include <lilv/lilv.h>
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#include "lv2/atom/atom.h"
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#include "lv2/atom/util.h"
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// #include "lv2.h"
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#include "lv2/log/log.h"
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#include "lv2/log/logger.h"
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#include "lv2/midi/midi.h"
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#include "lv2/urid/urid.h"
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#include "lv2/log/logger.h"
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#include "lv2/uri-map/uri-map.h"
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#include "lv2/atom/forge.h"
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#include "lv2/state/state.h"
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#include "lv2/worker/worker.h"
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#include "lv2/patch/patch.h"
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#include "lv2/parameters/parameters.h"
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#include "lv2/units/units.h"
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#include "lv2/atom/util.h"
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#include "AudioHost.hpp"
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#include <exception>
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#include "RingBufferReader.hpp"
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#include "Worker.hpp"
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using namespace pipedal;
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namespace fs = std::filesystem;
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const float BYPASS_TIME_S = 0.1f;
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static fs::path makeAbsolutePath(const std::filesystem::path &path, const std::filesystem::path &parentPath)
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{
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if (path.is_absolute())
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{
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return path;
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}
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return parentPath / path;
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}
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inline void Lv2Effect::CheckStagingBufferSentries()
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{
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#ifndef NDEBUG
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for (size_t i = 0; i < inputStagingBuffers.size(); ++i)
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{
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if (inputStagingBuffers[i].at(stagingBufferSize) != 99.9f)
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{
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throw std::logic_error("Staging buffer sentry overwritten.");
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}
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}
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for (size_t i = 0; i < outputStagingBuffers.size(); ++i)
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{
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if (outputStagingBuffers[i].at(stagingBufferSize) != 99.9f)
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{
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throw std::logic_error("Staging buffer sentry overwritten.");
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}
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}
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#endif
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}
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Lv2Effect::Lv2Effect(
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IHost *pHost_,
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const std::shared_ptr<Lv2PluginInfo> &info_,
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PedalboardItem &pedalboardItem)
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: pHost(pHost_), pInstance(nullptr), info(info_), urids(pHost), instanceId(pedalboardItem.instanceId())
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{
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auto pWorld = pHost_->getWorld();
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size_t stagedBufferSize = GetStagedBufferSize();
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logFeature.Prepare(&pHost_->GetMapFeature(), info_->name() + ": ", this);
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optionsFeature.Prepare(pHost->GetMapFeature(), 44100, stagedBufferSize, pHost->GetAtomBufferSize());
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this->bypassStartingSamples = (uint32_t)(pHost->GetSampleRate() * BYPASS_TIME_S);
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this->bypass = pedalboardItem.isEnabled();
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this->workerThread = std::make_unique<HostWorkerThread>();
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if (info_->WantsWorkerThread())
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{
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workerThread->StartThread();
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}
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// stash a list of known file properties that we want to keep synced.
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if (info->piPedalUI())
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{
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for (auto fileProperty : info->piPedalUI()->fileProperties())
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{
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LV2_URID filePropertyUrid = pHost->GetLv2Urid(fileProperty->patchProperty().c_str());
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this->pathProperties.push_back(filePropertyUrid);
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this->pathPropertyWriters.push_back(PatchPropertyWriter(instanceId, filePropertyUrid));
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}
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}
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for (auto &pathProperty : pedalboardItem.pathProperties_)
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{
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SetPathPatchProperty(pathProperty.first, pathProperty.second);
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}
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// initialize the atom forge used on the realtime thread.
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LV2_URID_Map *map = this->pHost->GetLv2UridMap();
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lv2_atom_forge_init(&inputForgeRt, map);
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lv2_atom_forge_init(&outputForgeRt, map);
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lv2_atom_forge_init(&stagedInputForgeRt, map);
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const LilvPlugins *plugins = lilv_world_get_all_plugins(pWorld);
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// FIXME: could we not stash the pPlugin in the plugin info?
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auto uriNode = lilv_new_uri(pWorld, pedalboardItem.uri().c_str());
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const LilvPlugin *pPlugin = lilv_plugins_get_by_uri(plugins, uriNode);
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for (auto &port : info->ports())
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{
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if (port->is_bypass())
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{
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this->bypassControlIndex = port->index();
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break;
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}
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}
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lilv_node_free(uriNode);
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{
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AutoLilvNode bundleUri = lilv_plugin_get_bundle_uri(pPlugin);
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char *bundleUriString = lilv_file_uri_parse(bundleUri.AsUri().c_str(), nullptr);
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std::string storagePath = pHost_->GetPluginStoragePath();
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fileBrowserFilesFeature.Initialize(
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pHost_->GetMapFeature().GetMap(),
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logFeature.GetLog(),
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bundleUriString,
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storagePath);
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mapPathFeature.Prepare(&(pHost_->GetMapFeature()));
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mapPathFeature.SetPluginStoragePath(pHost_->GetPluginStoragePath());
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if (info->piPedalUI())
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{
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const auto &fileProperties = info_->piPedalUI()->fileProperties();
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for (const auto &fileProperty : fileProperties)
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{
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fs::path targetPath = fileProperty->directory() / std::filesystem::path(bundleUriString).parent_path().filename();
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mapPathFeature.AddResourceFileMapping({bundleUriString,
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storagePath / targetPath,
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fileProperty->fileTypes()});
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}
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}
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lilv_free(bundleUriString);
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}
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LV2_Feature *const *features = pHost_->GetLv2Features();
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for (auto p = features; *p != nullptr; ++p)
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{
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if (strcmp((*p)->URI, LV2_LOG__log) != 0)
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{ // ommit the host's LOG feature.
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this->features.push_back(*p);
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}
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}
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this->features.push_back(logFeature.GetFeature());
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this->features.push_back(optionsFeature.GetFeature());
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this->features.push_back(mapPathFeature.GetMapPathFeature());
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this->features.push_back(mapPathFeature.GetMakePathFeature());
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this->features.push_back(mapPathFeature.GetFreePathFeature());
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this->features.push_back(this->fileBrowserFilesFeature.GetFeature());
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this->work_schedule_feature = nullptr;
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if (true) // info_->hasExtension(LV2_WORKER__interface))
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{
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LV2_Worker_Schedule *schedule = (LV2_Worker_Schedule *)malloc(sizeof(LV2_Worker_Schedule));
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schedule->handle = this;
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schedule->schedule_work = worker_schedule_fn;
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work_schedule_feature = (LV2_Feature *)malloc(sizeof(LV2_Feature));
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work_schedule_feature->URI = LV2_WORKER__schedule;
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work_schedule_feature->data = schedule;
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this->features.push_back(work_schedule_feature);
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}
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this->features.push_back(nullptr);
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const LV2_Feature **myFeatures = &this->features.at(0);
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LilvInstance *pInstance = nullptr;
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try
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{
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pInstance = lilv_plugin_instantiate(pPlugin, pHost->GetSampleRate(), myFeatures);
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}
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catch (const std::exception &e)
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{
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this->pInstance = nullptr;
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throw PiPedalException(SS("Plugin threw an exception: " << e.what() << " '" << info_->name() << "'"));
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}
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this->pInstance = pInstance;
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if (this->pInstance == nullptr)
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{
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throw PiPedalException(SS("Failed to create plugin \'" << info_->name() << "\'."));
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}
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const LV2_Worker_Interface *worker_interface =
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(const LV2_Worker_Interface *)lilv_instance_get_extension_data(pInstance,
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LV2_WORKER__interface);
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this->worker = std::make_unique<Worker>(workerThread, pInstance, worker_interface);
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const LV2_State_Interface *state_interface =
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(const LV2_State_Interface *)lilv_instance_get_extension_data(pInstance,
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LV2_STATE__interface);
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if (state_interface)
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{
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this->stateInterface = std::make_unique<StateInterface>(pHost, &(this->features.at(0)), pInstance, state_interface);
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}
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this->instanceId = pedalboardItem.instanceId();
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PreparePortIndices();
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// Copy default pedalboard settings.
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size_t maxPortIndex = 0;
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std::vector<std::shared_ptr<Lv2PortInfo>> &t = info->ports();
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for (std::shared_ptr<Lv2PortInfo> &port : info->ports())
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{
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if (port->is_control_port())
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{
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auto index = port->index();
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if (index + 1 > maxPortIndex)
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{
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maxPortIndex = index + 1;
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}
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}
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}
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if (maxPortIndex > info->ports().size())
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{
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throw std::runtime_error("Ports are not consecutive");
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}
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this->controlValues.resize(info->ports().size());
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for (auto i = pedalboardItem.controlValues().begin(); i != pedalboardItem.controlValues().end(); ++i)
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{
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auto &v = (*i);
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int index = GetControlIndex(v.key());
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if (index != -1)
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{
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this->controlValues.at(index) = v.value();
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}
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}
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ConnectControlPorts();
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if (!pedalboardItem.lilvPresetUri().empty())
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{
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AutoLilvNode presetNode = lilv_new_uri(pWorld, pedalboardItem.lilvPresetUri().c_str());
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lilv_world_load_resource(pWorld, presetNode);
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LilvState *pState = lilv_state_new_from_world(pWorld, pHost->GetMapFeature().GetMap(), presetNode);
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if (pState)
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{
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if (this->stateInterface)
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{
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this->stateInterface->RestoreState(pState);
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}
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lilv_state_free(pState);
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}
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// now that we've loaded the preset, clear the uri, and save new state
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// Why? because lilv doesn't provide facilities for reading state.
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pedalboardItem.lv2State(this->stateInterface->Save());
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RestoreState(pedalboardItem); // reload it with OUR map/unmap handling.
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pedalboardItem.lilvPresetUri("");
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}
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else
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{
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if (!RestoreState(pedalboardItem))
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{
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if (info->hasDefaultState())
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{
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// restore the default state.
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try
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{
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// REsTORE from LV2_STATE__state default state.
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AutoLilvNode pluginNode = lilv_new_uri(pWorld, info->uri().c_str());
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LilvState *pState = lilv_state_new_from_world(pWorld, pHost->GetMapFeature().GetMap(), pluginNode);
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if (pState)
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{
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if (this->stateInterface)
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{
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this->stateInterface->RestoreState(pState);
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}
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lilv_state_free(pState);
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}
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pedalboardItem.lv2State(this->stateInterface->Save());
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RestoreState(pedalboardItem); // do it with OUR map/unmap file handling.
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}
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catch (const std::exception &e)
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{
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Lv2Log::warning(SS("Failed to restore default state for " << info->name() << ": " << e.what()));
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}
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}
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}
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}
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}
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bool Lv2Effect::RestoreState(PedalboardItem &pedalboardItem)
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{
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// Restore state if present.
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if (this->stateInterface)
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{
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try
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{
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if (pedalboardItem.lv2State().isValid_)
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{
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this->stateInterface->Restore(pedalboardItem.lv2State());
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return true;
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}
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return false;
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}
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catch (const std::exception &e)
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{
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std::string name = pedalboardItem.pluginName();
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Lv2Log::warning(SS(name << ": " << e.what()));
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return false;
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}
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}
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return true;
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}
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void Lv2Effect::ConnectControlPorts()
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{
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// shared_ptr is not thread-safe.
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// Get naked pointers to use on the realtime thread.
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int controlArrayLength = 0;
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for (int i = 0; i < info->ports().size(); ++i)
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{
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if (info->ports().at(i)->index() >= controlArrayLength)
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{
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controlArrayLength = info->ports().at(i)->index() + 1;
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}
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}
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this->realtimePortInfo.resize(controlArrayLength);
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for (int i = 0; i < info->ports().size(); ++i)
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{
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const auto &port = info->ports().at(i);
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if (port->is_control_port())
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{
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int index = port->index();
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realtimePortInfo.at(index) = port.get();
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lilv_instance_connect_port(pInstance, i, &this->controlValues.at(index));
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}
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}
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}
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void Lv2Effect::PreparePortIndices()
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{
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size_t nPorts = info->ports().size();
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isInputControlPort.resize(nPorts);
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this->defaultInputControlValues.resize(nPorts);
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this->isInputTriggerControlPort.resize(nPorts);
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for (int i = 0; i < info->ports().size(); ++i)
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{
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const auto &port = info->ports().at(i);
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int portIndex = port->index();
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if (port->is_audio_port())
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{
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if (port->is_input())
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{
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if (port->is_sidechain())
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{
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this->inputSidechainPortIndices.push_back(portIndex);
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} else {
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this->inputAudioPortIndices.push_back(portIndex);
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}
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}
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else
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{
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this->outputAudioPortIndices.push_back(portIndex);
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}
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}
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else if (port->is_atom_port())
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{
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if (port->is_input())
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{
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if (port->supports_midi())
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{
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this->inputMidiPortIndices.push_back(portIndex);
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}
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this->inputAtomPortIndices.push_back(portIndex);
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}
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else
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{
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this->outputAtomPortIndices.push_back(portIndex);
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if (port->supports_midi())
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{
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this->outputMidiPortIndices.push_back(portIndex);
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}
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}
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}
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else if (port->is_control_port())
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{
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controlIndex[port->symbol()] = portIndex;
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if (port->is_input())
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{
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this->isInputControlPort.at(portIndex) = true;
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this->defaultInputControlValues.at(portIndex) = port->default_value();
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if (port->trigger_property())
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{
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this->isInputTriggerControlPort.at(portIndex) = true;
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}
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}
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}
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}
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size_t maxInputControlPort = isInputControlPort.size();
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while (maxInputControlPort != 0 && !isInputControlPort.at(maxInputControlPort - 1))
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{
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--maxInputControlPort;
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}
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this->maxInputControlPort = maxInputControlPort;
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inputAudioBuffers.resize(inputAudioPortIndices.size());
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inputSidechainBuffers.resize(inputSidechainPortIndices.size());
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outputAudioBuffers.resize(outputAudioPortIndices.size());
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inputAtomBuffers.resize(inputAtomPortIndices.size());
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outputAtomBuffers.resize(outputAtomPortIndices.size());
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if (RequiresBufferStaging())
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{
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EnableBufferStaging(
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GetStagedBufferSize());
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}
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}
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void Lv2Effect::PrepareNoInputEffect(int numberOfInputs, size_t maxBufferSize)
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{
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if (outputAudioPortIndices.size() == 0)
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{
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// pass the input through unmodified.
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inputAudioBuffers.resize(std::max((size_t)numberOfInputs, inputAudioPortIndices.size()));
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outputAudioBuffers.resize(numberOfOutputs);
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}
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else if (inputAudioPortIndices.size() == 0)
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{
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inputAudioBuffers.resize(numberOfInputs);
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outputAudioBuffers.resize(std::max((size_t)numberOfInputs, outputAudioPortIndices.size()));
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// allocate a working buffer which we will mix with passed-through data.
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outputMixBuffers.resize(outputAudioPortIndices.size());
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for (size_t i = 0; i < outputMixBuffers.size(); ++i)
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{
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outputMixBuffers.at(i).resize(maxBufferSize);
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}
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// connect the plugin to the mix buffer instead of output buffer.
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for (size_t i = 0; i < outputAudioPortIndices.size(); ++i)
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{
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int pluginIndex = this->outputAudioPortIndices.at(i);
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lilv_instance_connect_port(this->pInstance, pluginIndex, outputMixBuffers.at(i).data());
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}
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}
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}
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void Lv2Effect::SetAudioInputBuffer(int index, float *buffer)
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{
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this->inputAudioBuffers.at(index) = buffer;
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if (borrowedEffect)
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{
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// Already running on the realtime thread,
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// so don't update the audio ports until the effect gets placed on the realtime thread.
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return;
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}
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if (inputAudioPortIndices.size() == inputAudioBuffers.size())
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{
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if (stagingBufferSize != 0)
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{
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int pluginIndex = this->inputAudioPortIndices.at(index);
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if (index >= inputStagingBufferPointers.size())
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{
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throw std::runtime_error("Invalid input staging buffer index.");
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}
|
|
lilv_instance_connect_port(this->pInstance, pluginIndex, inputStagingBufferPointers.at(index));
|
|
}
|
|
else
|
|
{
|
|
int pluginIndex = this->inputAudioPortIndices.at(index);
|
|
lilv_instance_connect_port(this->pInstance, pluginIndex, buffer);
|
|
}
|
|
}
|
|
else
|
|
{
|
|
throw std::runtime_error("Invalid input buffer index.");
|
|
// // cases: 1->0, 1->1, 2->0, 2->1
|
|
// if (index < inputAudioPortIndices.size())
|
|
// {
|
|
// int pluginIndex = this->inputAudioPortIndices.at(index);
|
|
// lilv_instance_connect_port(this->pInstance, pluginIndex, buffer);
|
|
// }
|
|
}
|
|
}
|
|
void Lv2Effect::SetAudioSidechainBuffer(int index, float *buffer)
|
|
{
|
|
this->inputSidechainBuffers.at(index) = buffer;
|
|
|
|
if (borrowedEffect)
|
|
{
|
|
// Already running on the realtime thread,
|
|
// so don't update the audio ports until the effect gets placed on the realtime thread.
|
|
return;
|
|
}
|
|
|
|
if (stagingBufferSize != 0)
|
|
{
|
|
int pluginIndex = this->inputSidechainPortIndices.at(index);
|
|
if (index >= sidechainStagingBufferPointers.size())
|
|
{
|
|
throw std::runtime_error("Invalid input staging buffer index.");
|
|
}
|
|
lilv_instance_connect_port(this->pInstance, pluginIndex, sidechainStagingBufferPointers.at(index));
|
|
}
|
|
else
|
|
{
|
|
int pluginIndex = this->inputSidechainPortIndices.at(index);
|
|
lilv_instance_connect_port(this->pInstance, pluginIndex, buffer);
|
|
}
|
|
}
|
|
|
|
void Lv2Effect::SetAudioInputBuffer(float *left)
|
|
{
|
|
if (GetNumberOfInputAudioBuffers() > 1)
|
|
{
|
|
SetAudioInputBuffer(0, left);
|
|
SetAudioInputBuffer(1, left);
|
|
}
|
|
else if (GetNumberOfInputAudioBuffers() != 0)
|
|
{
|
|
SetAudioInputBuffer(0, left);
|
|
}
|
|
}
|
|
|
|
void Lv2Effect::SetAudioInputBuffers(float *left, float *right)
|
|
{
|
|
if (GetNumberOfInputAudioBuffers() == 1)
|
|
{
|
|
SetAudioInputBuffer(0, left);
|
|
}
|
|
else if (GetNumberOfInputAudioBuffers() > 1)
|
|
{
|
|
SetAudioInputBuffer(0, left);
|
|
SetAudioInputBuffer(1, right);
|
|
}
|
|
}
|
|
|
|
void Lv2Effect::SetAudioOutputBuffer(int index, float *buffer)
|
|
{
|
|
this->outputAudioBuffers.at(index) = buffer;
|
|
|
|
if (borrowedEffect)
|
|
{
|
|
// Effect is already running on the realtime thread,
|
|
// so don't update the audio ports until the updated pedalboard gets placed on the realtime thread.
|
|
return;
|
|
}
|
|
|
|
if (this->inputAudioPortIndices.size() != 0) // i.e. we're not mixing a zero-input control
|
|
{
|
|
if (this->stagingBufferSize != 0)
|
|
{
|
|
if ((size_t)index < this->outputStagingBufferPointers.size())
|
|
{
|
|
int pluginIndex = this->outputAudioPortIndices.at(index);
|
|
lilv_instance_connect_port(pInstance, pluginIndex, outputStagingBufferPointers.at(index));
|
|
}
|
|
else
|
|
{
|
|
throw std::runtime_error("outputStagingBufferPointers index out of range.");
|
|
}
|
|
}
|
|
else
|
|
{
|
|
if ((size_t)index < this->outputAudioPortIndices.size())
|
|
{
|
|
int pluginIndex = this->outputAudioPortIndices.at(index);
|
|
lilv_instance_connect_port(pInstance, pluginIndex, buffer);
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
int Lv2Effect::GetControlIndex(const std::string &key) const
|
|
{
|
|
auto i = controlIndex.find(key);
|
|
if (i == controlIndex.end())
|
|
{
|
|
return -1;
|
|
}
|
|
return i->second;
|
|
}
|
|
|
|
Lv2Effect::~Lv2Effect()
|
|
{
|
|
if (deleted)
|
|
{
|
|
try {
|
|
throw std::runtime_error("Deleted twice!");
|
|
} catch (const std::exception&e)
|
|
{
|
|
std::terminate();
|
|
}
|
|
}
|
|
deleted = true;
|
|
if (worker)
|
|
{
|
|
worker->Close();
|
|
worker = nullptr; // delete the worker first!
|
|
}
|
|
if (activated)
|
|
{
|
|
Deactivate();
|
|
activated = false;
|
|
}
|
|
if (pInstance)
|
|
{
|
|
lilv_instance_free(pInstance);
|
|
pInstance = nullptr;
|
|
}
|
|
if (work_schedule_feature)
|
|
{
|
|
free(work_schedule_feature->data);
|
|
work_schedule_feature->data = nullptr;
|
|
free(work_schedule_feature);
|
|
work_schedule_feature = nullptr;
|
|
}
|
|
}
|
|
|
|
void Lv2Effect::Activate()
|
|
{
|
|
if (this->activated)
|
|
{
|
|
return;
|
|
}
|
|
this->activated = true;
|
|
this->AssignUnconnectedPorts();
|
|
lilv_instance_activate(pInstance);
|
|
if (this->bypassControlIndex == -1)
|
|
{
|
|
this->BypassDezipperSet(this->bypass ? 1.0f : 0.0f);
|
|
}
|
|
else
|
|
{
|
|
this->BypassDezipperSet(1.0f);
|
|
this->controlValues.at(this->bypassControlIndex) = this->bypass ? 1.0f : 0.0f;
|
|
}
|
|
}
|
|
|
|
void Lv2Effect::UpdateAudioPorts()
|
|
{
|
|
// called on realtime thread to switch borrowed effects to the new buffer pointers.
|
|
if (borrowedEffect)
|
|
{
|
|
if (stagingBufferSize != 0)
|
|
{
|
|
for (size_t i = 0; i < this->inputAudioPortIndices.size(); ++i)
|
|
{
|
|
int portIndex = this->inputAudioPortIndices.at(i);
|
|
if (inputStagingBufferPointers.at(i) != nullptr)
|
|
{
|
|
lilv_instance_connect_port(pInstance, portIndex, inputStagingBufferPointers.at(i));
|
|
}
|
|
}
|
|
for (size_t i = 0; i < this->outputAudioPortIndices.size(); ++i)
|
|
{
|
|
int portIndex = this->outputAudioPortIndices.at(i);
|
|
if (outputStagingBufferPointers.at(i) != nullptr)
|
|
{
|
|
lilv_instance_connect_port(pInstance, portIndex, outputStagingBufferPointers.at(i));
|
|
}
|
|
}
|
|
for (size_t i = 0; i < this->inputSidechainPortIndices.size(); ++i)
|
|
{
|
|
int portIndex = this->inputSidechainPortIndices.at(i);
|
|
if (sidechainStagingBufferPointers.at(i) != nullptr)
|
|
{
|
|
lilv_instance_connect_port(pInstance, portIndex, sidechainStagingBufferPointers.at(i));
|
|
}
|
|
}
|
|
for (size_t i = 0; i < this->inputAtomPortIndices.size(); ++i)
|
|
{
|
|
if (i == 0)
|
|
{
|
|
if (stagedInputAtomBufferPointer == nullptr)
|
|
{
|
|
throw std::runtime_error("Invalid astagedInputAtomBufferPointer");
|
|
}
|
|
lilv_instance_connect_port(pInstance, inputAtomPortIndices[i],stagedInputAtomBufferPointer);
|
|
} else {
|
|
auto atomInputBuffer = this->GetAtomInputBuffer(i);
|
|
lilv_instance_connect_port(pInstance, inputAtomPortIndices[i],atomInputBuffer);
|
|
}
|
|
}
|
|
for (size_t i = 0; i < this->outputAtomPortIndices.size(); ++i)
|
|
{
|
|
if (i == 0)
|
|
{
|
|
if (stagedOutputAtomBufferPointer == nullptr)
|
|
{
|
|
throw std::runtime_error("Invalid astagedOutputAtomBufferPointer");
|
|
}
|
|
lilv_instance_connect_port(pInstance, outputAtomPortIndices[i],stagedOutputAtomBufferPointer);
|
|
} else {
|
|
auto atomOutputBuffer = this->GetAtomOutputBuffer(i);
|
|
lilv_instance_connect_port(pInstance, outputAtomPortIndices[i],atomOutputBuffer);
|
|
}
|
|
}
|
|
|
|
} else {
|
|
for (size_t i = 0; i < this->inputAudioPortIndices.size(); ++i)
|
|
{
|
|
int portIndex = this->inputAudioPortIndices.at(i);
|
|
if (GetAudioInputBuffer(i) != nullptr)
|
|
{
|
|
lilv_instance_connect_port(pInstance, portIndex, GetAudioInputBuffer(i));
|
|
}
|
|
}
|
|
for (size_t i = 0; i < this->outputAudioPortIndices.size(); ++i)
|
|
{
|
|
int portIndex = this->outputAudioPortIndices.at(i);
|
|
if (GetAudioOutputBuffer(i) != nullptr)
|
|
{
|
|
lilv_instance_connect_port(pInstance, portIndex, GetAudioOutputBuffer(i));
|
|
}
|
|
}
|
|
for (size_t i = 0; i < this->inputSidechainPortIndices.size(); ++i)
|
|
{
|
|
int portIndex = this->inputSidechainPortIndices.at(i);
|
|
if (GetAudioSidechainBuffer(i) != nullptr)
|
|
{
|
|
lilv_instance_connect_port(pInstance, portIndex, GetAudioSidechainBuffer(i));
|
|
}
|
|
}
|
|
|
|
for (size_t i = 0; i < this->inputAtomPortIndices.size(); ++i)
|
|
{
|
|
auto atomInputBuffer = this->GetAtomInputBuffer(i);
|
|
lilv_instance_connect_port(pInstance, inputAtomPortIndices[i],atomInputBuffer);
|
|
}
|
|
for (size_t i = 0; i < this->outputAtomPortIndices.size(); ++i)
|
|
{
|
|
auto atomOutputBuffer = this->GetAtomOutputBuffer(i);
|
|
lilv_instance_connect_port(pInstance, outputAtomPortIndices[i],atomOutputBuffer);
|
|
}
|
|
// for (size_t i = 0; i < this->inputMidiPortIndices.size(); ++i)
|
|
// {
|
|
// auto midiInputBuffer = this->GetMidiInputBuffer(i);
|
|
// lilv_instance_connect_port(pInstance, inputMidiPortIndices[i],midiInputBuffer);
|
|
// }
|
|
// for (size_t i = 0; i < this->outputMidiPortIndices.size(); ++i)
|
|
// {
|
|
// auto midiOutputBuffer = this->GetMidiOutputBuffer(i);
|
|
// lilv_instance_connect_port(pInstance, outputMidiPortIndices[i],midiOutputBuffer);
|
|
// }
|
|
|
|
}
|
|
}
|
|
}
|
|
|
|
void Lv2Effect::AssignUnconnectedPorts()
|
|
{
|
|
for (size_t i = 0; i < this->inputAudioPortIndices.size(); ++i)
|
|
{
|
|
if (GetAudioInputBuffer(i) == nullptr)
|
|
{
|
|
int pluginIndex = this->inputAudioPortIndices.at(i);
|
|
|
|
float *buffer = bufferPool.AllocateBuffer<float>(pHost->GetMaxAudioBufferSize());
|
|
lilv_instance_connect_port(pInstance, pluginIndex, buffer);
|
|
}
|
|
}
|
|
|
|
if (this->inputAudioPortIndices.size() != 0) // i.e. not using a mix buffer.
|
|
{
|
|
for (size_t i = 0; i < this->outputAudioPortIndices.size(); ++i)
|
|
{
|
|
if (GetAudioOutputBuffer(i) == nullptr)
|
|
{
|
|
float *buffer = bufferPool.AllocateBuffer<float>(pHost->GetMaxAudioBufferSize());
|
|
int pluginIndex = this->outputAudioPortIndices.at(i);
|
|
lilv_instance_connect_port(pInstance, pluginIndex, buffer);
|
|
}
|
|
}
|
|
}
|
|
for (int i = 0; i < this->GetNumberOfInputAtomPorts(); ++i)
|
|
{
|
|
if (GetAtomInputBuffer(i) == nullptr)
|
|
{
|
|
int pluginIndex = this->inputAtomPortIndices.at(i);
|
|
|
|
uint8_t *buffer = bufferPool.AllocateBuffer<uint8_t>(pHost->GetAtomBufferSize());
|
|
if (stagedInputAtomBufferPointer && i == 0)
|
|
{
|
|
lilv_instance_connect_port(pInstance, pluginIndex, stagedInputAtomBufferPointer);
|
|
ResetInputAtomBuffer((char *)(stagedInputAtomBufferPointer));
|
|
}
|
|
else
|
|
{
|
|
lilv_instance_connect_port(pInstance, pluginIndex, buffer);
|
|
}
|
|
ResetInputAtomBuffer((char *)buffer);
|
|
this->inputAtomBuffers.at(i) = (char *)buffer;
|
|
}
|
|
}
|
|
for (int i = 0; i < this->GetNumberOfOutputAtomPorts(); ++i)
|
|
{
|
|
if (GetAtomOutputBuffer(i) == nullptr)
|
|
{
|
|
int pluginIndex = this->outputAtomPortIndices.at(i);
|
|
|
|
uint8_t *buffer = bufferPool.AllocateBuffer<uint8_t>(pHost->GetAtomBufferSize());
|
|
ResetOutputAtomBuffer((char *)buffer);
|
|
|
|
if (stagedOutputAtomBufferPointer && i == 0)
|
|
{
|
|
lilv_instance_connect_port(pInstance, pluginIndex, stagedOutputAtomBufferPointer);
|
|
}
|
|
else
|
|
{
|
|
lilv_instance_connect_port(pInstance, pluginIndex, buffer);
|
|
}
|
|
|
|
lilv_instance_connect_port(pInstance, pluginIndex, buffer);
|
|
this->outputAtomBuffers.at(i) = (char *)buffer;
|
|
}
|
|
}
|
|
}
|
|
void Lv2Effect::Deactivate()
|
|
{
|
|
if (!activated)
|
|
{
|
|
return;
|
|
}
|
|
activated = false;
|
|
if (worker)
|
|
{
|
|
worker->Close();
|
|
}
|
|
lilv_instance_deactivate(pInstance);
|
|
}
|
|
|
|
static inline void CopyBuffer(float *restrict input, float *restrict output, uint32_t frames)
|
|
{
|
|
for (uint32_t i = 0; i < frames; ++i)
|
|
{
|
|
output[i] = input[i];
|
|
}
|
|
}
|
|
|
|
size_t Lv2Effect::stageToOutput(size_t outputIndex, size_t nFrames)
|
|
{
|
|
size_t thisTime = nFrames - outputIndex;
|
|
size_t stagedOutputAvailable = this->stagingBufferSize - this->stagingOutputIx;
|
|
if (stagedOutputAvailable < thisTime)
|
|
{
|
|
thisTime = stagedOutputAvailable;
|
|
}
|
|
if (thisTime)
|
|
{
|
|
for (size_t ch = 0; ch < this->GetNumberOfOutputAudioBuffers(); ++ch)
|
|
{
|
|
float *restrict pIn = this->outputStagingBufferPointers.at(ch) + this->stagingOutputIx;
|
|
float *restrict pOut = this->GetAudioOutputBuffer(ch) + outputIndex;
|
|
for (size_t i = 0; i < thisTime; ++i)
|
|
{
|
|
pOut[i] = pIn[i];
|
|
}
|
|
}
|
|
this->stagingOutputIx += thisTime;
|
|
}
|
|
return outputIndex + thisTime;
|
|
}
|
|
|
|
void Lv2Effect::copyAtomBufferEventSequence(LV2_Atom_Sequence *controlInput, LV2_Atom_Forge &outputForge)
|
|
{
|
|
LV2_ATOM_SEQUENCE_FOREACH(controlInput, ev)
|
|
{
|
|
lv2_atom_forge_frame_time(&outputForge, ev->time.frames);
|
|
lv2_atom_forge_raw(&outputForge, &(ev->body), ev->body.size); // literal copy of the atom body.
|
|
}
|
|
}
|
|
|
|
size_t Lv2Effect::stageToInput(size_t inputSampleOffset, size_t samples)
|
|
{
|
|
|
|
size_t thisTime = samples - inputSampleOffset;
|
|
size_t inputAvailable = this->stagingBufferSize - this->stagingInputIx;
|
|
if (thisTime > inputAvailable)
|
|
{
|
|
thisTime = inputAvailable;
|
|
}
|
|
// copy into staging buffers.
|
|
for (size_t nInput = 0; nInput < this->inputAudioBuffers.size(); ++nInput)
|
|
{
|
|
float *restrict pInput = this->inputAudioBuffers[nInput] + inputSampleOffset;
|
|
float *restrict pOutput = this->inputStagingBufferPointers.at(nInput) + this->stagingInputIx;
|
|
for (size_t i = 0; i < thisTime; ++i)
|
|
{
|
|
pOutput[i] = pInput[i];
|
|
}
|
|
}
|
|
for (size_t nSidechain = 0; nSidechain < this->inputSidechainBuffers.size(); ++nSidechain)
|
|
{
|
|
float *restrict pInput = this->inputSidechainBuffers[nSidechain] + inputSampleOffset;
|
|
float *restrict pOutput = this->sidechainStagingBufferPointers.at(nSidechain) + this->stagingInputIx;
|
|
for (size_t i = 0; i < thisTime; ++i)
|
|
{
|
|
pOutput[i] = pInput[i];
|
|
}
|
|
|
|
}
|
|
this->stagingInputIx += thisTime;
|
|
inputSampleOffset += thisTime;
|
|
|
|
if (stagingInputIx == this->stagingBufferSize)
|
|
{
|
|
// close off the atom input frame.
|
|
if (stagedInputAtomBufferPointer)
|
|
{
|
|
lv2_atom_forge_pop(&this->stagedInputForgeRt, &staged_input_frame);
|
|
}
|
|
if (stagedOutputAtomBufferPointer)
|
|
{
|
|
ResetOutputAtomBuffer((char *)stagedOutputAtomBufferPointer);
|
|
}
|
|
|
|
lilv_instance_run(pInstance, this->stagingBufferSize);
|
|
|
|
if (worker)
|
|
{
|
|
|
|
worker->EmitResponses();
|
|
}
|
|
if (stagedOutputAtomBufferPointer)
|
|
{
|
|
copyAtomBufferEventSequence((LV2_Atom_Sequence *)stagedOutputAtomBufferPointer, this->outputForgeRt);
|
|
}
|
|
|
|
this->stagingInputIx = 0;
|
|
this->stagingOutputIx = 0;
|
|
this->resetStagedInputAtomBuffer();
|
|
}
|
|
return inputSampleOffset;
|
|
}
|
|
|
|
void Lv2Effect::resetStagedInputAtomBuffer()
|
|
{
|
|
if (stagedInputAtomBufferPointer)
|
|
{
|
|
const uint32_t notify_capacity = pHost->GetAtomBufferSize();
|
|
lv2_atom_forge_set_buffer(
|
|
&(this->stagedInputForgeRt), (uint8_t *)(this->stagedInputAtomBufferPointer), notify_capacity);
|
|
lv2_atom_forge_sequence_head(&this->inputForgeRt, &staged_input_frame, urids.units__frame);
|
|
}
|
|
}
|
|
void Lv2Effect::RunWithBufferStaging(uint32_t samples, RealtimeRingBufferWriter *realtimeRingBufferWriter)
|
|
{
|
|
// accumulte control input sequence until we can execute a run operation.
|
|
if (this->inputAtomBuffers.size() != 0)
|
|
{
|
|
lv2_atom_forge_pop(&this->inputForgeRt, &input_frame);
|
|
|
|
LV2_Atom_Sequence *controlInput = (LV2_Atom_Sequence *)GetAtomInputBuffer(0);
|
|
copyAtomBufferEventSequence(controlInput, this->stagedInputForgeRt);
|
|
}
|
|
// Prepare ACTUAL control output port.
|
|
if (this->stagedOutputAtomBufferPointer)
|
|
{
|
|
const uint32_t notify_capacity = pHost->GetAtomBufferSize();
|
|
lv2_atom_forge_set_buffer(
|
|
&(this->outputForgeRt), (uint8_t *)(this->inputAtomBuffers.at(0)), notify_capacity);
|
|
lv2_atom_forge_sequence_head(&this->outputForgeRt, &output_frame, urids.units__frame);
|
|
}
|
|
|
|
uint32_t inputSampleOffset = 0;
|
|
uint32_t outputSampleOffset = 0;
|
|
|
|
while (true)
|
|
{
|
|
outputSampleOffset = stageToOutput(outputSampleOffset, samples);
|
|
|
|
CheckStagingBufferSentries();
|
|
|
|
if (inputSampleOffset == samples)
|
|
{
|
|
break;
|
|
}
|
|
inputSampleOffset = stageToInput(inputSampleOffset, samples);
|
|
}
|
|
// no staging data avaialble? Output zeros.
|
|
if (outputSampleOffset != samples)
|
|
{
|
|
size_t thisTime = samples - outputSampleOffset;
|
|
for (size_t ch = 0; ch < this->GetNumberOfOutputAudioBuffers(); ++ch)
|
|
{
|
|
float *pOut = this->GetAudioOutputBuffer(ch) + outputSampleOffset;
|
|
for (size_t i = 0; i < thisTime; ++i)
|
|
{
|
|
pOut[i] = 0;
|
|
}
|
|
}
|
|
}
|
|
MixOutput(samples, realtimeRingBufferWriter);
|
|
}
|
|
|
|
inline void Lv2Effect::MixOutput(uint32_t samples, RealtimeRingBufferWriter *realtimeRingBufferWriter)
|
|
{
|
|
// for zero-input plugins, mix the plugin output with the input signal.
|
|
if (this->inputAudioPortIndices.size() == 0)
|
|
{
|
|
|
|
// mix a zero input controls into the output buffer using a triangular mix curve.
|
|
float pluginLevel = std::max(1.0f, this->zeroInputMix * 2);
|
|
float inputLevel = std::max(1.0f, (1 - this->zeroInputMix) * 2);
|
|
|
|
// case
|
|
// 1 plugin output into 1 output.
|
|
// 2 plugin outputs into 2 outputs.
|
|
if (this->outputAudioBuffers.size() == this->outputMixBuffers.size())
|
|
{
|
|
for (size_t i = 0; i < this->outputMixBuffers.size(); ++i)
|
|
{
|
|
float *restrict input;
|
|
if (i >= this->inputAudioBuffers.size())
|
|
{
|
|
if (this->inputAudioBuffers.size() == 0)
|
|
{
|
|
break;
|
|
}
|
|
input = this->inputAudioBuffers.at(0);
|
|
}
|
|
else
|
|
{
|
|
input = this->inputAudioBuffers.at(i);
|
|
}
|
|
float *restrict pluginOutput = this->outputMixBuffers.at(i).data();
|
|
float *restrict finalOutput = this->outputAudioBuffers.at(i);
|
|
|
|
for (uint32_t i = 0; i < samples; ++i)
|
|
{
|
|
finalOutput[i] = input[i] * inputLevel + pluginOutput[i] * pluginLevel;
|
|
}
|
|
}
|
|
}
|
|
else if (this->outputAudioPortIndices.size() == 1 && this->outputAudioBuffers.size() == 2)
|
|
{
|
|
// 1 plugin output into 2 outputs.
|
|
float *restrict pluginOutput = this->outputMixBuffers.at(0).data();
|
|
for (size_t i = 0; i < this->outputMixBuffers.size(); ++i)
|
|
{
|
|
float *restrict input = this->inputAudioBuffers.at(i);
|
|
float *restrict finalOutput = this->outputAudioBuffers.at(i);
|
|
|
|
for (uint32_t i = 0; i < samples; ++i)
|
|
{
|
|
finalOutput[i] = input[i] * inputLevel + pluginOutput[i] * pluginLevel;
|
|
}
|
|
}
|
|
}
|
|
else
|
|
{
|
|
// e.g. 2 plugin outputs into 1 output (should never happen)
|
|
std::runtime_error("Internal error 0xEA48");
|
|
}
|
|
}
|
|
|
|
// do soft bypass.
|
|
if (this->bypassSamplesRemaining == 0)
|
|
{
|
|
if (this->currentBypass == 0)
|
|
{
|
|
// replace the contents of the output buffer(s) with the input buffer(s).
|
|
if (this->outputAudioBuffers.size() == 1)
|
|
{
|
|
CopyBuffer(this->inputAudioBuffers.at(0), this->outputAudioBuffers.at(0), samples);
|
|
}
|
|
else
|
|
{
|
|
if (this->inputAudioBuffers.size() == 1)
|
|
{
|
|
CopyBuffer(this->inputAudioBuffers.at(0), this->outputAudioBuffers.at(0), samples);
|
|
CopyBuffer(this->inputAudioBuffers.at(0), this->outputAudioBuffers.at(1), samples);
|
|
}
|
|
else
|
|
{
|
|
CopyBuffer(this->inputAudioBuffers.at(0), this->outputAudioBuffers.at(0), samples);
|
|
CopyBuffer(this->inputAudioBuffers.at(1), this->outputAudioBuffers.at(1), samples);
|
|
}
|
|
}
|
|
} // else leave the output alone.
|
|
}
|
|
else
|
|
{
|
|
double currentBypass = this->currentBypass;
|
|
double currentBypassDx = this->currentBypassDx;
|
|
int32_t bypassSamplesRemaining = (int)this->bypassSamplesRemaining;
|
|
|
|
if (this->outputAudioBuffers.size() == 1)
|
|
{
|
|
float *restrict input = this->inputAudioBuffers.at(0);
|
|
float *restrict output = this->outputAudioBuffers.at(0);
|
|
for (uint32_t i = 0; i < samples; ++i)
|
|
{
|
|
output[i] = currentBypass * output[i] + (1 - currentBypass) * input[i];
|
|
|
|
if (--bypassSamplesRemaining == 0)
|
|
{
|
|
currentBypassDx = 0;
|
|
currentBypass = this->targetBypass;
|
|
}
|
|
currentBypass += currentBypassDx;
|
|
}
|
|
}
|
|
else
|
|
{
|
|
float *restrict inputL;
|
|
float *restrict inputR;
|
|
if (this->inputAudioBuffers.size() == 1)
|
|
{
|
|
inputL = inputR = inputAudioBuffers.at(0);
|
|
}
|
|
else
|
|
{
|
|
inputL = inputAudioBuffers.at(0);
|
|
inputR = inputAudioBuffers.at(1);
|
|
}
|
|
float *restrict outputL = outputAudioBuffers.at(0);
|
|
float *restrict outputR = outputAudioBuffers.at(1);
|
|
for (uint32_t i = 0; i < samples; ++i)
|
|
{
|
|
outputL[i] = currentBypass * outputL[i] + (1 - currentBypass) * inputL[i];
|
|
outputR[i] = currentBypass * outputR[i] + (1 - currentBypass) * inputR[i];
|
|
if (--bypassSamplesRemaining == 0)
|
|
{
|
|
currentBypassDx = 0;
|
|
currentBypass = this->targetBypass;
|
|
}
|
|
currentBypass += currentBypassDx;
|
|
}
|
|
}
|
|
if (bypassSamplesRemaining <= 0)
|
|
{
|
|
this->bypassSamplesRemaining = 0;
|
|
this->currentBypass = this->targetBypass;
|
|
this->currentBypassDx = 0;
|
|
}
|
|
else
|
|
{
|
|
this->currentBypass = currentBypass;
|
|
this->currentBypassDx = currentBypassDx;
|
|
this->bypassSamplesRemaining = bypassSamplesRemaining;
|
|
}
|
|
}
|
|
RelayPatchSetMessages(this->instanceId, realtimeRingBufferWriter);
|
|
}
|
|
|
|
void Lv2Effect::Run(uint32_t samples, RealtimeRingBufferWriter *realtimeRingBufferWriter)
|
|
{
|
|
// close off the atom input frame.
|
|
if (this->inputAtomBuffers.size() != 0)
|
|
{
|
|
lv2_atom_forge_pop(&this->inputForgeRt, &input_frame);
|
|
}
|
|
lilv_instance_run(pInstance, samples);
|
|
|
|
if (worker)
|
|
{
|
|
// relay worker response
|
|
worker->EmitResponses();
|
|
}
|
|
|
|
MixOutput(samples, realtimeRingBufferWriter);
|
|
}
|
|
|
|
LV2_Worker_Status Lv2Effect::worker_schedule_fn(LV2_Worker_Schedule_Handle handle,
|
|
uint32_t size,
|
|
const void *data)
|
|
{
|
|
Lv2Effect *this_ = (Lv2Effect *)handle;
|
|
this_->worker->ScheduleWork(size, data);
|
|
return LV2_WORKER_SUCCESS;
|
|
}
|
|
|
|
struct BufferHeader
|
|
{
|
|
uint32_t size;
|
|
uint32_t type;
|
|
};
|
|
|
|
void Lv2Effect::ResetInputAtomBuffer(char *data)
|
|
{
|
|
BufferHeader *header = (BufferHeader *)data;
|
|
header->size = sizeof(LV2_Atom_Sequence_Body);
|
|
header->type = urids.atom__Sequence;
|
|
}
|
|
void Lv2Effect::ResetOutputAtomBuffer(char *data)
|
|
{
|
|
BufferHeader *header = (BufferHeader *)data;
|
|
header->size = pHost->GetAtomBufferSize() - 8;
|
|
header->type = urids.atom__Chunk;
|
|
}
|
|
void Lv2Effect::BypassDezipperSet(float targetValue)
|
|
{
|
|
this->targetBypass = targetValue;
|
|
this->currentBypass = targetValue;
|
|
this->currentBypassDx = 0;
|
|
this->bypassSamplesRemaining = 0;
|
|
}
|
|
|
|
void Lv2Effect::BypassDezipperTo(float targetValue)
|
|
{
|
|
this->targetBypass = targetValue;
|
|
double dx = targetValue - this->currentBypass;
|
|
if (dx != 0)
|
|
{
|
|
this->bypassSamplesRemaining = (int)(bypassStartingSamples * std::abs(dx));
|
|
if (this->bypassStartingSamples == 0)
|
|
{
|
|
currentBypassDx = 0;
|
|
this->currentBypass = targetBypass;
|
|
}
|
|
else
|
|
{
|
|
this->currentBypassDx = dx / this->bypassSamplesRemaining;
|
|
}
|
|
}
|
|
}
|
|
|
|
void Lv2Effect::ResetAtomBuffers()
|
|
{
|
|
for (size_t i = 0; i < this->inputAtomBuffers.size(); ++i)
|
|
{
|
|
ResetInputAtomBuffer(this->inputAtomBuffers.at(i));
|
|
}
|
|
for (size_t i = 0; i < this->outputAtomBuffers.size(); ++i)
|
|
{
|
|
ResetOutputAtomBuffer(this->outputAtomBuffers.at(i));
|
|
}
|
|
if (inputAtomBuffers.size() != 0)
|
|
{
|
|
const uint32_t notify_capacity = pHost->GetAtomBufferSize();
|
|
lv2_atom_forge_set_buffer(
|
|
&(this->inputForgeRt), (uint8_t *)(this->inputAtomBuffers.at(0)), notify_capacity);
|
|
|
|
// Start a sequence in the notify input port.
|
|
|
|
lv2_atom_forge_sequence_head(&this->inputForgeRt, &input_frame, urids.units__frame);
|
|
}
|
|
}
|
|
|
|
void Lv2Effect::RequestPatchProperty(LV2_URID uridUri)
|
|
{
|
|
lv2_atom_forge_frame_time(&inputForgeRt, 0);
|
|
|
|
LV2_Atom_Forge_Frame objectFrame;
|
|
LV2_Atom_Forge_Ref set =
|
|
lv2_atom_forge_object(&inputForgeRt, &objectFrame, 0, urids.patch__Get);
|
|
|
|
lv2_atom_forge_key(&inputForgeRt, urids.patch__property);
|
|
lv2_atom_forge_urid(&inputForgeRt, uridUri);
|
|
lv2_atom_forge_pop(&inputForgeRt, &objectFrame);
|
|
}
|
|
void Lv2Effect::RequestAllPathPatchProperties()
|
|
{
|
|
for (LV2_URID urid : this->pathProperties)
|
|
{
|
|
RequestPatchProperty(urid);
|
|
}
|
|
}
|
|
|
|
void Lv2Effect::SetPatchProperty(LV2_URID uridUri, size_t size, LV2_Atom *value)
|
|
{
|
|
lv2_atom_forge_frame_time(&inputForgeRt, 0);
|
|
|
|
LV2_Atom_Forge_Frame objectFrame;
|
|
LV2_Atom_Forge_Ref set =
|
|
lv2_atom_forge_object(&inputForgeRt, &objectFrame, 0, urids.patch__Set);
|
|
{
|
|
lv2_atom_forge_key(&inputForgeRt, urids.patch__property);
|
|
lv2_atom_forge_urid(&inputForgeRt, uridUri);
|
|
lv2_atom_forge_key(&inputForgeRt, urids.patch__value);
|
|
lv2_atom_forge_write(&inputForgeRt, value, size);
|
|
}
|
|
|
|
lv2_atom_forge_pop(&inputForgeRt, &objectFrame);
|
|
this->requestStateChangedNotification = true;
|
|
}
|
|
|
|
void Lv2Effect::RelayPatchSetMessages(uint64_t instanceId, RealtimeRingBufferWriter *realtimeRingBufferWriter)
|
|
{
|
|
LV2_Atom_Sequence *controlOutput = (LV2_Atom_Sequence *)GetAtomOutputBuffer();
|
|
if (controlOutput == nullptr)
|
|
{
|
|
return;
|
|
}
|
|
|
|
bool maybeStateChanged = false;
|
|
LV2_ATOM_SEQUENCE_FOREACH(controlOutput, ev)
|
|
{
|
|
|
|
// frame_offset = ev->time.frames; // not really interested.
|
|
|
|
if (lv2_atom_forge_is_object_type(&this->outputForgeRt, ev->body.type))
|
|
{
|
|
const LV2_Atom_Object *obj = (const LV2_Atom_Object *)&ev->body;
|
|
if (obj->body.otype == urids.state__StateChanged)
|
|
{
|
|
requestStateChangedNotification = true;
|
|
}
|
|
else if (obj->body.otype == urids.patch__Set) // patch_Set is handled elsewhere.
|
|
{
|
|
maybeStateChanged = true;
|
|
realtimeRingBufferWriter->AtomOutput(instanceId, obj->atom.size + sizeof(obj->atom), (uint8_t *)obj);
|
|
}
|
|
}
|
|
}
|
|
if (this->requestStateChangedNotification)
|
|
{
|
|
requestStateChangedNotification = false;
|
|
realtimeRingBufferWriter->Lv2StateChanged(instanceId);
|
|
}
|
|
else if (maybeStateChanged)
|
|
{
|
|
realtimeRingBufferWriter->MaybeLv2StateChanged(instanceId);
|
|
}
|
|
}
|
|
|
|
void Lv2Effect::GatherPathPatchProperties(IPatchWriterCallback *cbPatchWriter)
|
|
{
|
|
if (pathPropertyWriters.size() != 0)
|
|
{
|
|
LV2_Atom_Sequence *controlInput = (LV2_Atom_Sequence *)GetAtomOutputBuffer();
|
|
if (controlInput == nullptr)
|
|
{
|
|
return;
|
|
}
|
|
LV2_ATOM_SEQUENCE_FOREACH(controlInput, ev)
|
|
{
|
|
|
|
auto frame_offset = ev->time.frames; // not really interested.
|
|
|
|
if (lv2_atom_forge_is_object_type(&this->outputForgeRt, ev->body.type))
|
|
{
|
|
const LV2_Atom_Object *obj = (const LV2_Atom_Object *)&ev->body;
|
|
if (obj->body.otype == urids.patch__Set)
|
|
{
|
|
// Get the property and value of the set message
|
|
const LV2_Atom *property = NULL;
|
|
const LV2_Atom *value = NULL;
|
|
|
|
lv2_atom_object_get(
|
|
obj,
|
|
urids.patch__property, &property,
|
|
urids.patch__value, &value,
|
|
0);
|
|
|
|
if (property && property->type == urids.atom__URID && value)
|
|
{
|
|
LV2_URID key = ((const LV2_Atom_URID *)property)->body;
|
|
|
|
for (PatchPropertyWriter &pathPropertyWriter : pathPropertyWriters)
|
|
{
|
|
if (key == pathPropertyWriter.patchPropertyUrid)
|
|
{
|
|
auto buffer = pathPropertyWriter.AquireWriteBuffer();
|
|
size_t atom_size = value->size + sizeof(LV2_Atom);
|
|
buffer->memory.resize(atom_size);
|
|
memcpy(buffer->memory.data(), value, atom_size);
|
|
break;
|
|
}
|
|
}
|
|
}
|
|
}
|
|
}
|
|
}
|
|
for (auto &writer : this->pathPropertyWriters)
|
|
{
|
|
writer.FlushWrites(cbPatchWriter);
|
|
}
|
|
}
|
|
}
|
|
|
|
void Lv2Effect::GatherPatchProperties(RealtimePatchPropertyRequest *pRequest)
|
|
{
|
|
if (pRequest->requestType == RealtimePatchPropertyRequest::RequestType::PatchGet)
|
|
{
|
|
LV2_Atom_Sequence *controlInput = (LV2_Atom_Sequence *)GetAtomOutputBuffer();
|
|
if (controlInput == nullptr)
|
|
{
|
|
return;
|
|
}
|
|
LV2_ATOM_SEQUENCE_FOREACH(controlInput, ev)
|
|
{
|
|
|
|
auto frame_offset = ev->time.frames; // not really interested.
|
|
|
|
if (lv2_atom_forge_is_object_type(&this->outputForgeRt, ev->body.type))
|
|
{
|
|
const LV2_Atom_Object *obj = (const LV2_Atom_Object *)&ev->body;
|
|
if (obj->body.otype == urids.patch__Set)
|
|
{
|
|
// Get the property and value of the set message
|
|
const LV2_Atom *property = NULL;
|
|
const LV2_Atom *value = NULL;
|
|
|
|
lv2_atom_object_get(
|
|
obj,
|
|
urids.patch__property, &property,
|
|
urids.patch__value, &value,
|
|
0);
|
|
|
|
if (property && property->type == urids.atom__URID && value)
|
|
{
|
|
LV2_URID key = ((const LV2_Atom_URID *)property)->body;
|
|
if (key == pRequest->uridUri)
|
|
{
|
|
int atom_size = value->size + sizeof(LV2_Atom);
|
|
pRequest->SetSize(atom_size);
|
|
memcpy(pRequest->GetBuffer(), value, atom_size);
|
|
break;
|
|
}
|
|
}
|
|
}
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
void Lv2Effect::SetLv2State(Lv2PluginState &state)
|
|
{
|
|
if (state.isValid_)
|
|
{
|
|
return;
|
|
}
|
|
if (!this->stateInterface)
|
|
{
|
|
return;
|
|
}
|
|
try
|
|
{
|
|
|
|
this->stateInterface->Restore(state);
|
|
}
|
|
catch (const std::exception &e)
|
|
{
|
|
Lv2Log::error("Failed to restore LV2 state.");
|
|
}
|
|
}
|
|
bool Lv2Effect::GetLv2State(Lv2PluginState *state)
|
|
{
|
|
if (!this->stateInterface)
|
|
return false;
|
|
try
|
|
{
|
|
if (this->stateInterface == nullptr)
|
|
{
|
|
state->Erase();
|
|
return false;
|
|
}
|
|
|
|
*state = this->stateInterface->Save();
|
|
state->isValid_ = true;
|
|
return true;
|
|
}
|
|
catch (const std::exception &e)
|
|
{
|
|
state->Erase();
|
|
throw;
|
|
}
|
|
}
|
|
|
|
void Lv2Effect::OnLogError(const char *message)
|
|
{
|
|
// only errors get transmitted to the client.
|
|
strncpy(this->errorMessage, message, sizeof(errorMessage));
|
|
errorMessage[sizeof(errorMessage) - 1] = '\0';
|
|
this->hasErrorMessage = true;
|
|
}
|
|
|
|
void Lv2Effect::OnLogWarning(const char *message)
|
|
{
|
|
Lv2Log::warning(message);
|
|
}
|
|
void Lv2Effect::OnLogInfo(const char *message)
|
|
{
|
|
Lv2Log::info(message);
|
|
}
|
|
void Lv2Effect::OnLogDebug(const char *message)
|
|
{
|
|
Lv2Log::debug(message);
|
|
}
|
|
|
|
bool Lv2Effect::GetRequestStateChangedNotification() const { return requestStateChangedNotification; }
|
|
void Lv2Effect::SetRequestStateChangedNotification(bool value) { requestStateChangedNotification = value; }
|
|
|
|
uint64_t Lv2Effect::GetMaxInputControl() const { return maxInputControlPort; }
|
|
|
|
bool Lv2Effect::IsInputControl(uint64_t index) const
|
|
{
|
|
if (index >= isInputControlPort.size())
|
|
return false;
|
|
return isInputControlPort.at(index);
|
|
}
|
|
float Lv2Effect::GetDefaultInputControlValue(uint64_t index) const
|
|
{
|
|
return defaultInputControlValues.at(index);
|
|
}
|
|
|
|
std::string Lv2Effect::GetPathPatchProperty(const std::string &propertyUri)
|
|
{
|
|
if (!this->mainThreadPathProperties.contains(propertyUri))
|
|
{
|
|
return "";
|
|
}
|
|
return this->mainThreadPathProperties[propertyUri];
|
|
}
|
|
void Lv2Effect::SetPathPatchProperty(const std::string &propertyUri, const std::string &jsonAtom)
|
|
{
|
|
mainThreadPathProperties[propertyUri] = jsonAtom;
|
|
}
|
|
|
|
void Lv2Effect::EnableBufferStaging(size_t bufferSize )
|
|
{
|
|
size_t nInputs = this->GetNumberOfInputAudioBuffers();
|
|
size_t nSidechainInputs = this->GetNumberOfSidechainAudioBuffers();
|
|
size_t nOutputs = this->GetNumberOfOutputAudioBuffers();
|
|
|
|
stagingBufferSize = bufferSize;
|
|
stagingOutputIx = bufferSize;
|
|
stagingInputIx = 0;
|
|
inputStagingBuffers.resize(nInputs);
|
|
outputStagingBuffers.resize(nOutputs);
|
|
inputStagingBufferPointers.resize(nInputs);
|
|
outputStagingBufferPointers.resize(nOutputs);
|
|
|
|
if (inputAtomBuffers.size() != 0)
|
|
{
|
|
stagedInputAtomBuffer.resize(pHost->GetAtomBufferSize());
|
|
stagedInputAtomBufferPointer = stagedInputAtomBuffer.data();
|
|
resetStagedInputAtomBuffer();
|
|
}
|
|
else
|
|
{
|
|
stagedInputAtomBufferPointer = nullptr;
|
|
}
|
|
stagedOutputAtomBufferPointer = nullptr;
|
|
if (outputAtomBuffers.size() != 0)
|
|
{
|
|
stagedOutputAtomBuffer.resize(pHost->GetAtomBufferSize());
|
|
stagedOutputAtomBufferPointer = stagedOutputAtomBuffer.data();
|
|
}
|
|
for (size_t i = 0; i < nInputs; ++i)
|
|
{
|
|
inputStagingBuffers.at(i).resize(bufferSize + 1);
|
|
inputStagingBuffers[i][bufferSize] = 99.9f; // guard entry
|
|
inputStagingBufferPointers.at(i) = inputStagingBuffers.at(i).data();
|
|
}
|
|
for (size_t i = 0; i < nSidechainInputs; ++i)
|
|
{
|
|
sidechainStagingBuffers.at(i).resize(bufferSize + 1);
|
|
sidechainStagingBuffers[i][bufferSize] = 99.9f; // guard entry
|
|
sidechainStagingBufferPointers.at(i) = sidechainStagingBuffers.at(i).data();
|
|
}
|
|
for (size_t i = 0; i < nOutputs; ++i)
|
|
{
|
|
outputStagingBuffers.at(i).resize(bufferSize + 1);
|
|
outputStagingBuffers[i][bufferSize] = 99.9f; // guard entry
|
|
outputStagingBufferPointers.at(i) = outputStagingBuffers.at(i).data();
|
|
}
|
|
}
|
|
|
|
static size_t NextPowerOfTwo(size_t value)
|
|
{
|
|
|
|
size_t i = 1;
|
|
while (i < value && i < 65536UL)
|
|
{
|
|
i *= 2;
|
|
}
|
|
return i;
|
|
}
|
|
|
|
size_t Lv2Effect::GetStagedBufferSize() const
|
|
{
|
|
size_t pluginBlockLength = pHost->GetMaxAudioBufferSize();
|
|
if (info->minBlockLength() != -1 || info->maxBlockLength() != -1)
|
|
{
|
|
if (info->minBlockLength() != -1 && pluginBlockLength < info->minBlockLength())
|
|
{
|
|
pluginBlockLength = info->minBlockLength();
|
|
}
|
|
if (info->maxBlockLength() != -1 && pluginBlockLength > info->maxBlockLength())
|
|
{
|
|
pluginBlockLength = info->maxBlockLength();
|
|
}
|
|
if (info->powerOf2BlockLength())
|
|
{
|
|
pluginBlockLength = NextPowerOfTwo(pluginBlockLength);
|
|
}
|
|
}
|
|
return pluginBlockLength;
|
|
}
|
|
|
|
bool Lv2Effect::RequiresBufferStaging() const
|
|
{
|
|
return GetStagedBufferSize() != pHost->GetMaxAudioBufferSize();
|
|
}
|
|
|
|
float *Lv2Effect::GetAudioInputBuffer(int index) const
|
|
{
|
|
if (index < 0 || index >= this->inputAudioBuffers.size())
|
|
throw std::range_error("Lv2Effect::GetAudioInputBuffer");
|
|
return this->inputAudioBuffers.at(index);
|
|
}
|
|
float *Lv2Effect::GetAudioSidechainBuffer(int index) const
|
|
{
|
|
if (index < 0 || index >= this->inputSidechainBuffers.size())
|
|
throw std::range_error("Lv2Effect::GetAudioSidechainBuffer");
|
|
return this->inputSidechainBuffers.at(index);
|
|
}
|
|
|
|
float *Lv2Effect::GetAudioOutputBuffer(int index) const
|
|
{
|
|
if (index < 0 || index >= this->outputAudioBuffers.size())
|
|
{
|
|
throw std::range_error("Lv2Effect::GetAudioOutputBuffer");
|
|
}
|
|
return this->outputAudioBuffers.at(index);
|
|
}
|