Files
oak-editor/app/node/input/media/media.cpp
T
itsmattkc 0db13a96ab implemented a footage viewer
Essentially a minor derivation of a viewer type that can automatically view
footage from the project (i.e. not in a sequence).
2019-12-30 20:17:48 +11:00

91 lines
2.6 KiB
C++

/***
Olive - Non-Linear Video Editor
Copyright (C) 2019 Olive Team
This program is free software: you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation, either version 3 of the License, or
(at your option) any later version.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program. If not, see <http://www.gnu.org/licenses/>.
***/
#include "media.h"
#include "common/timecodefunctions.h"
MediaInput::MediaInput() :
connected_footage_(nullptr)
{
footage_input_ = new NodeInput("footage_in", NodeInput::kFootage);
footage_input_->SetConnectable(false);
footage_input_->set_is_keyframable(false);
connect(footage_input_, SIGNAL(ValueChanged(const rational&, const rational&)), this, SLOT(FootageChanged()));
AddInput(footage_input_);
}
StreamPtr MediaInput::footage()
{
return footage_input_->get_standard_value().value<StreamPtr>();
}
void MediaInput::SetFootage(StreamPtr f)
{
footage_input_->set_standard_value(QVariant::fromValue(f));
}
void MediaInput::Retranslate()
{
footage_input_->set_name(tr("Footage"));
}
NodeValueTable MediaInput::Value(const NodeValueDatabase &value) const
{
NodeValueTable table = value.Merge();
if (connected_footage_) {
rational media_duration = Timecode::timestamp_to_time(connected_footage_->duration(),
connected_footage_->timebase());
table.Push(NodeInput::kRational, QVariant::fromValue(media_duration), "length");
}
return table;
}
void MediaInput::FootageChanged()
{
StreamPtr new_footage = footage_input_->get_standard_value().value<StreamPtr>();
if (new_footage == connected_footage_) {
return;
}
if (connected_footage_ != nullptr) {
if (connected_footage_->type() == Stream::kImage || connected_footage_->type() == Stream::kVideo) {
disconnect(connected_footage_.get(), SIGNAL(ColorSpaceChanged()), this, SLOT(FootageColorSpaceChanged()));
}
}
connected_footage_ = new_footage;
if (connected_footage_ != nullptr) {
if (connected_footage_->type() == Stream::kImage || connected_footage_->type() == Stream::kVideo) {
connect(connected_footage_.get(), SIGNAL(ColorSpaceChanged()), this, SLOT(FootageColorSpaceChanged()));
}
}
}
void MediaInput::FootageColorSpaceChanged()
{
InvalidateCache(0, RATIONAL_MAX, footage_input_);
}