Robin E. R. Davies
962 lines
30 KiB
C++
962 lines
30 KiB
C++
// Copyright (c) 2022 Robin 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 "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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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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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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logFeature.Prepare(&pHost_->GetMapFeature(), info_->name() + ": ", this);
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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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// 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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const LilvPlugins *plugins = lilv_world_get_all_plugins(pWorld);
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// xxx: 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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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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if (!fileProperty->resourceDirectory().empty())
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{
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mapPathFeature.AddResourceFileMapping({
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makeAbsolutePath(fileProperty->resourceDirectory(),bundleUriString),
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makeAbsolutePath(fileProperty->directory(),pHost_->GetPluginStoragePath())
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});
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}
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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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this->features.push_back(logFeature.GetFeature());
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for (auto p = features; *p != nullptr; ++p)
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{
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this->features.push_back(*p);
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}
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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[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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if (worker_interface)
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{
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this->worker = std::make_unique<Worker>(pHost->GetHostWorkerThread(), pInstance, worker_interface);
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}
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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[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[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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pedalboardItem.lilvPresetUri("");
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}
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else
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{
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RestoreState(pedalboardItem);
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}
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}
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void 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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}
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else
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{
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// set the state to default state.
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auto savedState = this->stateInterface->Save();
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pedalboardItem.lv2State(savedState);
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}
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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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}
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}
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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()[i]->index() >= controlArrayLength)
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{
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controlArrayLength = info->ports()[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()[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[index] = port.get();
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lilv_instance_connect_port(pInstance, i, &this->controlValues[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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for (int i = 0; i < info->ports().size(); ++i)
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{
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const auto &port = info->ports()[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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this->inputAudioPortIndices.push_back(portIndex);
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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()] = port->index();
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if (port->is_input())
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{
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this->isInputControlPort[i] = true;
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this->defaultInputControlValues[i] = port->default_value();
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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[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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outputAudioBuffers.resize(outputAudioPortIndices.size());
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inputAtomBuffers.resize(inputAtomPortIndices.size());
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outputAtomBuffers.resize(outputAtomPortIndices.size());
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}
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void Lv2Effect::SetAudioInputBuffer(int index, float *buffer)
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{
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if (index >= inputAudioPortIndices.size())
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{
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throw PiPedalArgumentException("Buffer index out of range.");
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}
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this->inputAudioBuffers[index] = buffer;
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int pluginIndex = this->inputAudioPortIndices[index];
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lilv_instance_connect_port(this->pInstance, pluginIndex, buffer);
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}
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void Lv2Effect::SetAudioInputBuffer(float *left)
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{
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if (GetNumberOfInputAudioPorts() > 1)
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{
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SetAudioInputBuffer(0, left);
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SetAudioInputBuffer(1, left);
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}
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else
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{
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SetAudioInputBuffer(0, left);
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}
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}
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void Lv2Effect::SetAudioInputBuffers(float *left, float *right)
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{
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if (GetNumberOfInputAudioPorts() == 1)
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{
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SetAudioInputBuffer(0, left);
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}
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else
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{
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SetAudioInputBuffer(0, left);
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SetAudioInputBuffer(1, right);
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}
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}
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void Lv2Effect::SetAudioOutputBuffer(int index, float *buffer)
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{
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this->outputAudioBuffers[index] = buffer;
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int pluginIndex = this->outputAudioPortIndices[index];
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lilv_instance_connect_port(pInstance, pluginIndex, buffer);
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}
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int Lv2Effect::GetControlIndex(const std::string &key) const
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{
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auto i = controlIndex.find(key);
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if (i == controlIndex.end())
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{
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return -1;
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}
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return i->second;
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}
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Lv2Effect::~Lv2Effect()
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{
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if (worker)
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{
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worker->Close();
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worker = nullptr; // delete the worker first!
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}
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if (pInstance)
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{
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lilv_instance_free(pInstance);
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pInstance = nullptr;
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}
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if (work_schedule_feature)
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{
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free(work_schedule_feature->data);
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free(work_schedule_feature);
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}
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}
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void Lv2Effect::Activate()
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{
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this->AssignUnconnectedPorts();
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lilv_instance_activate(pInstance);
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this->BypassTo(this->bypass ? 1.0f : 0.0f);
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}
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void Lv2Effect::AssignUnconnectedPorts()
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{
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for (int i = 0; i < this->GetNumberOfInputAudioPorts(); ++i)
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{
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if (GetAudioInputBuffer(i) == nullptr)
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{
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int pluginIndex = this->inputAudioPortIndices[i];
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float *buffer = bufferPool.AllocateBuffer<float>(pHost->GetMaxAudioBufferSize());
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lilv_instance_connect_port(pInstance, pluginIndex, buffer);
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}
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}
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for (int i = 0; i < this->GetNumberOfOutputAudioPorts(); ++i)
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{
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if (GetAudioOutputBuffer(i) == nullptr)
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{
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int pluginIndex = this->outputAudioPortIndices[i];
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float *buffer = bufferPool.AllocateBuffer<float>(pHost->GetMaxAudioBufferSize());
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lilv_instance_connect_port(pInstance, pluginIndex, buffer);
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}
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}
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for (int i = 0; i < this->GetNumberOfInputAtomPorts(); ++i)
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{
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if (GetAtomInputBuffer(i) == nullptr)
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{
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int pluginIndex = this->inputAtomPortIndices[i];
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uint8_t *buffer = bufferPool.AllocateBuffer<uint8_t>(pHost->GetAtomBufferSize());
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lilv_instance_connect_port(pInstance, pluginIndex, buffer);
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ResetInputAtomBuffer((char *)buffer);
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this->inputAtomBuffers[i] = (char *)buffer;
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}
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}
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for (int i = 0; i < this->GetNumberOfOutputAtomPorts(); ++i)
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{
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if (GetAtomOutputBuffer(i) == nullptr)
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{
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int pluginIndex = this->outputAtomPortIndices[i];
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uint8_t *buffer = bufferPool.AllocateBuffer<uint8_t>(pHost->GetAtomBufferSize());
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ResetOutputAtomBuffer((char *)buffer);
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lilv_instance_connect_port(pInstance, pluginIndex, buffer);
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this->outputAtomBuffers[i] = (char *)buffer;
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}
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}
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}
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void Lv2Effect::Deactivate()
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{
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if (worker)
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{
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worker->Close();
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}
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lilv_instance_deactivate(pInstance);
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}
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static inline void CopyBuffer(float *input, float *output, uint32_t frames)
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{
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for (uint32_t i = 0; i < frames; ++i)
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{
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output[i] = input[i];
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}
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}
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|
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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();
|
|
}
|
|
|
|
// 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[0], this->outputAudioBuffers[0], samples);
|
|
}
|
|
else
|
|
{
|
|
if (this->inputAudioBuffers.size() == 1)
|
|
{
|
|
CopyBuffer(this->inputAudioBuffers[0], this->outputAudioBuffers[0], samples);
|
|
CopyBuffer(this->inputAudioBuffers[0], this->outputAudioBuffers[1], samples);
|
|
}
|
|
else
|
|
{
|
|
CopyBuffer(this->inputAudioBuffers[0], this->outputAudioBuffers[0], samples);
|
|
CopyBuffer(this->inputAudioBuffers[1], this->outputAudioBuffers[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 *input = this->inputAudioBuffers[0];
|
|
float *output = this->outputAudioBuffers[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 *inputL;
|
|
float *inputR;
|
|
if (this->inputAudioBuffers.size() == 1)
|
|
{
|
|
inputL = inputR = inputAudioBuffers[0];
|
|
}
|
|
else
|
|
{
|
|
inputL = inputAudioBuffers[0];
|
|
inputR = inputAudioBuffers[1];
|
|
}
|
|
float *outputL = outputAudioBuffers[0];
|
|
float *outputR = outputAudioBuffers[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);
|
|
}
|
|
|
|
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::BypassTo(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[i]);
|
|
}
|
|
for (size_t i = 0; i < this->outputAtomBuffers.size(); ++i)
|
|
{
|
|
ResetOutputAtomBuffer(this->outputAtomBuffers[i]);
|
|
}
|
|
if (inputAtomBuffers.size() != 0)
|
|
{
|
|
const uint32_t notify_capacity = pHost->GetAtomBufferSize();
|
|
lv2_atom_forge_set_buffer(
|
|
&(this->inputForgeRt), (uint8_t *)(this->inputAtomBuffers[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 < 0 || index >= isInputControlPort.size())
|
|
return false;
|
|
return isInputControlPort[index];
|
|
}
|
|
float Lv2Effect::GetDefaultInputControlValue(uint64_t index) const
|
|
{
|
|
return defaultInputControlValues[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;
|
|
}
|