itsmattkc
75d4cd899b
The macro defined namespaces confused the hell out of lupdate and more or less broke translations permanently. Looks like the only way we can do it is to have a hardcoded namespace, which goes against my instinct, but honestly how likely is it that we'll change the namespace anyway (I guess forks might want to do it, but that's their problem ;) )
379 lines
8.3 KiB
C++
379 lines
8.3 KiB
C++
/***
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Olive - Non-Linear Video Editor
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Copyright (C) 2020 Olive Team
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This program is free software: you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation, either version 3 of the License, or
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(at your option) any later version.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with this program. If not, see <http://www.gnu.org/licenses/>.
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***/
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#include "block.h"
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#include <QDebug>
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#include "node/output/track/track.h"
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#include "transition/transition.h"
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namespace olive {
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Block::Block() :
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previous_(nullptr),
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next_(nullptr)
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{
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length_input_ = new NodeInput("length_in", NodeParam::kRational);
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length_input_->set_connectable(false);
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length_input_->set_is_keyframable(false);
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AddInput(length_input_);
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disconnect(length_input_, &NodeInput::ValueChanged, this, &Block::InputChanged);
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connect(length_input_, &NodeInput::ValueChanged, this, &Block::LengthInputChanged);
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media_in_input_ = new NodeInput("media_in_in", NodeParam::kRational);
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media_in_input_->set_connectable(false);
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media_in_input_->set_is_keyframable(false);
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AddInput(media_in_input_);
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enabled_input_ = new NodeInput("enabled_in", NodeParam::kBoolean);
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enabled_input_->set_connectable(false);
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enabled_input_->set_is_keyframable(false);
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enabled_input_->set_standard_value(true);
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AddInput(enabled_input_);
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speed_input_ = new NodeInput("speed_in", NodeParam::kFloat);
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speed_input_->set_standard_value(1.0);
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speed_input_->set_property(QStringLiteral("view"), QStringLiteral("percent"));
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AddInput(speed_input_);
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// A block's length must be greater than 0
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set_length_and_media_out(1);
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}
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QVector<Node::CategoryID> Block::Category() const
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{
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return {kCategoryTimeline};
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}
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const rational &Block::in() const
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{
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return in_point_;
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}
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const rational &Block::out() const
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{
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return out_point_;
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}
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void Block::set_in(const rational &in)
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{
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in_point_ = in;
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}
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void Block::set_out(const rational &out)
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{
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out_point_ = out;
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}
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rational Block::length() const
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{
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return length_input_->get_standard_value().value<rational>();
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}
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void Block::set_length_and_media_out(const rational &length)
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{
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Q_ASSERT(length > 0);
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if (length == this->length()) {
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return;
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}
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rational old_length = this->length();
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set_length_internal(length);
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LengthChangedEvent(old_length, length, Timeline::kTrimOut);
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}
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void Block::set_length_and_media_in(const rational &length)
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{
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Q_ASSERT(length > 0);
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if (length == this->length()) {
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return;
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}
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// Calculate media_in adjustment
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set_media_in(SequenceToMediaTime(in() + (this->length() - length)));
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rational old_length = this->length();
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// Set the length without setting media out
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set_length_internal(length);
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LengthChangedEvent(old_length, length, Timeline::kTrimIn);
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}
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TimeRange Block::range() const
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{
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return TimeRange(in(), out());
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}
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Block *Block::previous()
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{
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return previous_;
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}
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Block *Block::next()
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{
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return next_;
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}
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void Block::set_previous(Block *previous)
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{
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previous_ = previous;
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}
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void Block::set_next(Block *next)
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{
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next_ = next;
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}
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rational Block::media_in() const
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{
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return media_in_input_->get_standard_value().value<rational>();
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}
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void Block::set_media_in(const rational &media_in)
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{
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media_in_input_->set_standard_value(QVariant::fromValue(media_in));
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}
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bool Block::is_enabled() const
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{
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return enabled_input_->get_standard_value().toBool();
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}
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void Block::set_enabled(bool e)
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{
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enabled_input_->set_standard_value(e);
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emit EnabledChanged();
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}
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rational Block::SequenceToMediaTime(const rational &sequence_time) const
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{
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// These constants are not considered "values" per se, so we don't modify them
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if (sequence_time == RATIONAL_MIN || sequence_time == RATIONAL_MAX) {
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return sequence_time;
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}
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rational local_time = sequence_time - in();
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// FIXME: Doesn't handle reversing
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if (speed_input_->is_keyframing() || speed_input_->is_connected()) {
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// FIXME: We'll need to calculate the speed hoo boy
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} else {
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double speed_value = speed_input_->get_standard_value().toDouble();
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if (qIsNull(speed_value)) {
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// Effectively holds the frame at the in point
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local_time = 0;
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} else if (!qFuzzyCompare(speed_value, 1.0)) {
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// Multiply time
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local_time = rational::fromDouble(local_time.toDouble() * speed_value);
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}
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}
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return local_time + media_in();
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}
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rational Block::MediaToSequenceTime(const rational &media_time) const
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{
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// These constants are not considered "values" per se, so we don't modify them
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if (media_time == RATIONAL_MIN || media_time == RATIONAL_MAX) {
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return media_time;
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}
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rational sequence_time = media_time - media_in();
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// FIXME: Doesn't handle reversing
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if (speed_input_->is_keyframing() || speed_input_->is_connected()) {
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// FIXME: We'll need to calculate the speed hoo boy
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} else {
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double speed_value = speed_input_->get_standard_value().toDouble();
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if (qIsNull(speed_value)) {
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// Effectively holds the frame at the in point, also prevents divide by zero
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sequence_time = 0;
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} else if (!qFuzzyCompare(speed_value, 1.0)) {
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// Multiply time
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sequence_time = rational::fromDouble(sequence_time.toDouble() / speed_value);
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}
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}
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return sequence_time + in();
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}
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void Block::LoadInternal(QXmlStreamReader *reader, XMLNodeData &xml_node_data)
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{
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while (XMLReadNextStartElement(reader)) {
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if (reader->name() == QStringLiteral("link")) {
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xml_node_data.block_links.append({this, reader->readElementText().toULongLong()});
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} else {
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reader->skipCurrentElement();
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}
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}
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}
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void Block::SaveInternal(QXmlStreamWriter *writer) const
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{
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foreach (Block* link, linked_clips_) {
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writer->writeTextElement(QStringLiteral("link"), QString::number(reinterpret_cast<quintptr>(link)));
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}
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}
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QVector<NodeInput *> Block::GetInputsToHash() const
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{
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QVector<NodeInput*> inputs = Node::GetInputsToHash();
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// Ignore these inputs
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inputs.removeOne(media_in_input_);
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inputs.removeOne(speed_input_);
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inputs.removeOne(length_input_);
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return inputs;
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}
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void Block::LengthChangedEvent(const rational &, const rational &, const Timeline::MovementMode &)
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{
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}
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void Block::set_length_internal(const rational &length)
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{
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length_input_->set_standard_value(QVariant::fromValue(length));
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}
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void Block::LengthInputChanged()
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{
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emit LengthChanged(length());
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}
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bool Block::Link(Block *a, Block *b)
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{
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if (a == b || !a || !b) {
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return false;
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}
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// Prevent duplicate link entries (assume that we only need to check one clip since this should be the only function
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// that adds to the linked array)
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if (Block::AreLinked(a, b)) {
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return false;
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}
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a->linked_clips_.append(b);
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b->linked_clips_.append(a);
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emit a->LinksChanged();
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emit b->LinksChanged();
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return true;
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}
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void Block::Link(const QList<Block*>& blocks)
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{
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foreach (Block* a, blocks) {
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foreach (Block* b, blocks) {
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Link(a, b);
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}
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}
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}
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bool Block::Unlink(Block *a, Block *b)
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{
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if (a == b || !a || !b) {
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return false;
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}
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if (!Block::AreLinked(a, b)) {
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return false;
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}
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a->linked_clips_.removeOne(b);
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b->linked_clips_.removeOne(a);
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emit a->LinksChanged();
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emit b->LinksChanged();
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return true;
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}
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void Block::Unlink(const QList<Block *> &blocks)
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{
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foreach (Block* a, blocks) {
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foreach (Block* b, blocks) {
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Unlink(a, b);
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}
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}
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}
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bool Block::AreLinked(Block *a, Block *b)
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{
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return a->linked_clips_.contains(b);
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}
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const QVector<Block*> &Block::linked_clips()
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{
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return linked_clips_;
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}
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bool Block::HasLinks()
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{
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return !linked_clips_.isEmpty();
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}
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bool Block::IsBlock() const
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{
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return true;
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}
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void Block::Retranslate()
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{
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Node::Retranslate();
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length_input_->set_name(tr("Length"));
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media_in_input_->set_name(tr("Media In"));
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enabled_input_->set_name(tr("Enabled"));
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speed_input_->set_name(tr("Speed"));
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}
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NodeInput *Block::length_input() const
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{
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return length_input_;
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}
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NodeInput *Block::media_in_input() const
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{
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return media_in_input_;
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}
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NodeInput *Block::speed_input() const
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{
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return speed_input_;
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}
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void Block::Hash(QCryptographicHash &, const rational &) const
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{
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// A block does nothing by default, so we hash nothing
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}
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}
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