161 lines
5.7 KiB
C++
161 lines
5.7 KiB
C++
#include "node.h"
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using namespace Xybrid::Data;
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#include "data/graph.h"
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#include "data/porttypes.h"
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#include "config/pluginregistry.h"
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#include "audio/audioengine.h"
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using namespace Xybrid::Audio;
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#include <algorithm>
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#include <QDebug>
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Port::~Port() {
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// clean up others' connection lists
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while (connections.size() > 0) {
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if (auto cc = connections.back().lock(); cc) cc->cleanConnections();
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connections.pop_back();
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}
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}
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bool Port::canConnectTo(DataType d) const {
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return d == dataType();
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}
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bool Port::connect(std::shared_ptr<Port> p) {
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if (!p) return false; // no blank pointers pls
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// actual processing is always done on the input port, since that's where any limits are
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if (type == Output) return p->type == Input && p->connect(shared_from_this());
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if (!canConnectTo(p->dataType())) return false; // can't hook up to an incompatible data type
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for (auto c : connections) if (c.lock() == p) return true; // I guess report success if already connected?
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if (singleInput() && connections.size() > 0) return false; // reject multiple connections on single-input ports
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if (auto o = owner.lock(), po = p->owner.lock(); !o || !po || po->dependsOn(o)) return false; // no dependency loops!
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// actually hook up
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connections.emplace_back(p);
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p->connections.emplace_back(shared_from_this());
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if (auto o = owner.lock(); o) audioEngine->invalidateQueue(o->project);
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return true;
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}
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void Port::disconnect(std::shared_ptr<Port> p) {
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if (!p) return;
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auto t = shared_from_this();
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connections.erase(std::remove_if(connections.begin(), connections.end(), [p](auto w) { return w.lock() == p; }), connections.end());
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p->connections.erase(std::remove_if(p->connections.begin(), p->connections.end(), [t](auto w) { return w.lock() == t; }), p->connections.end());
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if (auto o = owner.lock(); o) audioEngine->invalidateQueue(o->project);
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}
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void Port::cleanConnections() {
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connections.erase(std::remove_if(connections.begin(), connections.end(), [](auto w) { return !w.lock(); }), connections.end());
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}
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std::shared_ptr<Port> Port::makePort(DataType dt) {
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if (dt == Audio) return std::make_shared<AudioPort>();
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if (dt == Command) return std::make_shared<CommandPort>();
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// fallback
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return std::make_shared<Port>();
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}
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void Node::parentTo(std::shared_ptr<Graph> graph) {
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auto t = shared_from_this(); // keep alive during reparenting
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if (auto p = parent.lock(); p) {
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onUnparent(p);
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p->children.erase(std::remove(p->children.begin(), p->children.end(), t), p->children.end());
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}
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parent = graph;
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if (graph) {
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project = graph->project;
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graph->children.push_back(t);
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onParent(graph);
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}
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audioEngine->invalidateQueue(project); // just to be safe
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}
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std::shared_ptr<Port> Node::port(Port::Type t, Port::DataType dt, uint8_t idx, bool addIfNeeded) {
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auto& m = t == Port::Input ? inputs : outputs;
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if (auto mdt = m.find(dt); mdt != m.end()) {
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if (auto it = mdt->second.find(idx); it != mdt->second.end()) return it->second;
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}
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return addIfNeeded ? addPort(t, dt, idx) : nullptr;
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}
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std::shared_ptr<Port> Node::addPort(Port::Type t, Port::DataType dt, uint8_t idx) {
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auto& m = t == Port::Input ? inputs : outputs;
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m.try_emplace(dt);
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auto mdt = m.find(dt);
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if (mdt->second.find(idx) == mdt->second.end()) {
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auto p = Port::makePort(dt);
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p->owner = shared_from_this();
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p->type = t;
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mdt->second.insert({idx, p});
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p->index = idx;
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return p;
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}
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return nullptr;
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}
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void Node::removePort(Port::Type t, Port::DataType dt, uint8_t idx) {
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auto& m = t == Port::Input ? inputs : outputs;
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if (auto mdt = m.find(dt); mdt != m.end()) {
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mdt->second.erase(idx);
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}
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}
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std::unordered_set<std::shared_ptr<Node>> Node::dependencies() const {
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std::unordered_set<std::shared_ptr<Node>> set;
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for (auto& t : inputs) {
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for (auto& p : t.second) {
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for (auto& c : p.second->connections) {
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// if connection still exists, *and its owner* still exists...
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if (auto cp = c.lock(); cp) if (auto n = cp->owner.lock(); n) set.insert(n);
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}
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}
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}
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return set;
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}
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bool Node::dependsOn(std::shared_ptr<Node> o) {
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auto deps = dependencies();
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for (auto d : deps) {
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if (d == o) return true;
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if (d->dependsOn(o)) return true;
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}
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return false;
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}
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bool Node::try_process(bool checkDependencies) {
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size_t tick_this = audioEngine->curTickId();
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if (tick_last == tick_this) return true; // already processed
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if (checkDependencies) { // check if dependencies are done
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for (auto& t : inputs) {
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for (auto& p : t.second) {
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for (auto& c : p.second->connections) {
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// if connection still exists, *and its owner* still exists...
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if (auto cp = c.lock(); cp) {
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if (auto n = cp->owner.lock(); n) {
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if (auto cpp = cp->passthroughTo.lock(); cpp) { // passthrough...
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if (auto np = cpp->owner.lock(); np && np->tick_last != tick_this) return false;
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}
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if (n->tick_last != tick_this) return false;
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}
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}
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}
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}
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}
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}
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/*auto qd = qDebug() << "processing" << QString::fromStdString(pluginName());
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if (!name.empty()) qd << "named" << QString::fromStdString(name);
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if (auto p = parent.lock(); p && !p->name.empty()) qd << "within" << QString::fromStdString(p->name);*/
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process();
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tick_last = tick_this;
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return true;
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}
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std::string Node::pluginName() const { if (!plugin) return "(unknown plugin)"; return plugin->displayName; }
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