itsmattkc
2f80be437a
As opposed to simply leaving all values in the table, nodes can now "take" values that they use to free up memory (e.g. "taking" input buffers if they're used to produce an output buffer). This is a fairly large change, expect regressions.
103 lines
2.7 KiB
C++
103 lines
2.7 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_->SetConnectable(false);
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footage_input_->set_is_keyframable(false);
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connect(footage_input_, SIGNAL(ValueChanged(const rational&, const rational&)), this, SLOT(FootageChanged()));
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AddInput(footage_input_);
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}
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QString MediaInput::Category() const
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{
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return tr("Input");
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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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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;
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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), "length");
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}
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// Push buffer to the top of the stack
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NodeValue buffer = value[footage_input_].GetWithMeta(NodeParam::kSamples);
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if (buffer.type() != NodeParam::kNone) {
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table.Push(buffer);
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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(0, RATIONAL_MAX, footage_input_);
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}
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OLIVE_NAMESPACE_EXIT
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