84 lines
2.4 KiB
C++
84 lines
2.4 KiB
C++
/***
|
|
|
|
Olive - Non-Linear Video Editor
|
|
Copyright (C) 2022 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 "crossdissolvetransition.h"
|
|
|
|
namespace olive {
|
|
|
|
CrossDissolveTransition::CrossDissolveTransition()
|
|
{
|
|
}
|
|
|
|
QString CrossDissolveTransition::Name() const
|
|
{
|
|
return tr("Cross Dissolve");
|
|
}
|
|
|
|
QString CrossDissolveTransition::id() const
|
|
{
|
|
return QStringLiteral("org.olivevideoeditor.Olive.crossdissolve");
|
|
}
|
|
|
|
QVector<Node::CategoryID> CrossDissolveTransition::Category() const
|
|
{
|
|
return {kCategoryTransition};
|
|
}
|
|
|
|
QString CrossDissolveTransition::Description() const
|
|
{
|
|
return tr("Smoothly transition between two clips.");
|
|
}
|
|
|
|
ShaderCode CrossDissolveTransition::GetShaderCode(const ShaderRequest &request) const
|
|
{
|
|
Q_UNUSED(request)
|
|
|
|
return ShaderCode(FileFunctions::ReadFileAsString(":/shaders/crossdissolve.frag"), QString());
|
|
}
|
|
|
|
void CrossDissolveTransition::SampleJobEvent(const SampleBuffer &from_samples, const SampleBuffer &to_samples, SampleBuffer &out_samples, double time_in) const
|
|
{
|
|
for (int i=0; i<out_samples.sample_count(); i++) {
|
|
double this_sample_time = out_samples.audio_params().samples_to_time(i).toDouble() + time_in;
|
|
double progress = GetTotalProgress(this_sample_time);
|
|
|
|
for (int j=0; j<out_samples.audio_params().channel_count(); j++) {
|
|
out_samples.data(j)[i] = 0;
|
|
|
|
if (from_samples.is_allocated()) {
|
|
if (i < from_samples.sample_count()) {
|
|
out_samples.data(j)[i] += from_samples.data(j)[i] * TransformCurve(1.0 - progress);
|
|
}
|
|
}
|
|
|
|
if (to_samples.is_allocated()) {
|
|
// Offset input samples from the end
|
|
int in_index = i - (out_samples.sample_count() - to_samples.sample_count());
|
|
|
|
if (in_index >= 0) {
|
|
out_samples.data(j)[i] += to_samples.data(j)[in_index] * TransformCurve(progress);
|
|
}
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
}
|