90 lines
2.2 KiB
C++
90 lines
2.2 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 "clip.h"
|
|
|
|
ClipBlock::ClipBlock()
|
|
{
|
|
texture_input_ = new NodeInput("buffer_in");
|
|
texture_input_->set_data_type(NodeInput::kBuffer);
|
|
AddInput(texture_input_);
|
|
}
|
|
|
|
Node *ClipBlock::copy() const
|
|
{
|
|
ClipBlock* c = new ClipBlock();
|
|
|
|
CopyParameters(this, c);
|
|
|
|
return c;
|
|
}
|
|
|
|
Block::Type ClipBlock::type() const
|
|
{
|
|
return kClip;
|
|
}
|
|
|
|
QString ClipBlock::Name() const
|
|
{
|
|
return tr("Clip");
|
|
}
|
|
|
|
QString ClipBlock::id() const
|
|
{
|
|
return "org.olivevideoeditor.Olive.clip";
|
|
}
|
|
|
|
QString ClipBlock::Description() const
|
|
{
|
|
return tr("A time-based node that represents a media source.");
|
|
}
|
|
|
|
NodeInput *ClipBlock::texture_input() const
|
|
{
|
|
return texture_input_;
|
|
}
|
|
|
|
void ClipBlock::InvalidateCache(const rational &start_range, const rational &end_range, NodeInput *from)
|
|
{
|
|
// If signal is from texture input, transform all times from media time to sequence time
|
|
if (from == texture_input_) {
|
|
rational start = MediaToSequenceTime(start_range);
|
|
rational end = MediaToSequenceTime(end_range);
|
|
|
|
// Limit cache invalidation to clip lengths
|
|
start = qMax(start, in());
|
|
end = qMin(end, out());
|
|
|
|
Node::InvalidateCache(start, end, from);
|
|
} else {
|
|
// Otherwise, pass signal along normally
|
|
Node::InvalidateCache(start_range, end_range, from);
|
|
}
|
|
}
|
|
|
|
TimeRange ClipBlock::InputTimeAdjustment(NodeInput *input, const TimeRange &input_time) const
|
|
{
|
|
if (input == texture_input_) {
|
|
return TimeRange(SequenceToMediaTime(input_time.in()), SequenceToMediaTime(input_time.out()));
|
|
}
|
|
|
|
return Block::InputTimeAdjustment(input, input_time);
|
|
}
|