Thomas Wilshaw
7c7db5c933
Initial very hacky implementation that checks if the footgae is in use before deleting it and makes sure all refernences to it are properly cleaned up. Also added IsMedia() function to Node to simplify things a bit.
102 lines
2.6 KiB
C++
102 lines
2.6 KiB
C++
/***
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Olive - Non-Linear Video Editor
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Copyright (C) 2019 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 "media.h"
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#include "common/timecodefunctions.h"
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#include "common/tohex.h"
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OLIVE_NAMESPACE_ENTER
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MediaInput::MediaInput() :
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connected_footage_(nullptr)
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{
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footage_input_ = new NodeInput("footage_in", NodeInput::kFootage);
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footage_input_->set_connectable(false);
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footage_input_->set_is_keyframable(false);
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connect(footage_input_, &NodeInput::ValueChanged, this, &MediaInput::FootageChanged);
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AddInput(footage_input_);
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}
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QList<Node::CategoryID> MediaInput::Category() const
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{
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return {kCategoryInput};
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}
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StreamPtr MediaInput::footage()
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{
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return footage_input_->get_standard_value().value<StreamPtr>();
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}
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void MediaInput::SetFootage(StreamPtr f)
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{
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footage_input_->set_standard_value(QVariant::fromValue(f));
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}
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bool MediaInput::IsMedia() const
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{
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return true;
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}
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void MediaInput::Retranslate()
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{
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footage_input_->set_name(tr("Footage"));
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}
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NodeValueTable MediaInput::Value(NodeValueDatabase &value) const
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{
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NodeValueTable table = value.Merge();
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if (connected_footage_) {
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rational media_duration = Timecode::timestamp_to_time(connected_footage_->duration(),
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connected_footage_->timebase());
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table.Push(NodeInput::kRational, QVariant::fromValue(media_duration), this, "length");
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}
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return table;
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}
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void MediaInput::FootageChanged()
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{
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StreamPtr new_footage = footage_input_->get_standard_value().value<StreamPtr>();
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if (new_footage == connected_footage_) {
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return;
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}
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if (connected_footage_) {
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disconnect(connected_footage_.get(), &Stream::ParametersChanged, this, &MediaInput::FootageParametersChanged);
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}
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connected_footage_ = new_footage;
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if (connected_footage_) {
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connect(connected_footage_.get(), &Stream::ParametersChanged, this, &MediaInput::FootageParametersChanged);
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}
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}
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void MediaInput::FootageParametersChanged()
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{
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InvalidateCache(TimeRange(0, RATIONAL_MAX), footage_input_, footage_input_);
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}
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OLIVE_NAMESPACE_EXIT
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