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oak-editor/app/task/project/saveotio/projectsaveasotiotask.cpp
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/***
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 "projectsaveasotiotask.h"
#include <opentimelineio/clip.h>
#include <opentimelineio/gap.h>
#include <opentimelineio/timeline.h>
#include <opentimelineio/transition.h>
#include "node/block/transition/transition.h"
OLIVE_NAMESPACE_ENTER
ProjectSaveAsOTIOTask::ProjectSaveAsOTIOTask(Sequence *sequence) :
sequence_(sequence)
{
SetTitle(tr("Saving '%1' as OpenTimelineIO").arg(sequence->name()));
}
bool ProjectSaveAsOTIOTask::Run()
{
auto otio_timeline = new opentimelineio::v1_0::Timeline();
ViewerOutput* viewer = sequence_->viewer_output();
opentimelineio::v1_0::ErrorStatus es;
foreach (TrackOutput* track, viewer->track_list(Timeline::kTrackTypeVideo)->GetTracks()) {
auto otio_track = new opentimelineio::v1_0::Track();
otio_track->set_kind("Video");
foreach (Block* block, track->Blocks()) {
opentimelineio::v1_0::Composable* otio_block = nullptr;
switch (block->type()) {
case Block::kClip:
{
auto otio_clip = new opentimelineio::v1_0::Clip();
otio_clip->set_source_range(opentimelineio::v1_0::TimeRange(block->in().toRationalTime(),
block->length().toRationalTime()));
otio_block = otio_clip;
break;
}
case Block::kGap:
{
auto otio_gap = new opentimelineio::v1_0::Gap();
otio_gap->set_source_range(opentimelineio::v1_0::TimeRange(block->in().toRationalTime(),
block->length().toRationalTime()));
otio_block = otio_gap;
break;
}
case Block::kTransition:
{
auto otio_transition = new opentimelineio::v1_0::Transition();
TransitionBlock* our_transition = static_cast<TransitionBlock*>(block);
otio_transition->set_in_offset(our_transition->in_offset().toRationalTime());
otio_transition->set_out_offset(our_transition->out_offset().toRationalTime());
otio_block = new opentimelineio::v1_0::Transition();
break;
}
}
if (!otio_block) {
// We shouldn't ever get here, but catch without crashing if we ever do
return false;
}
otio_track->append_child(otio_block, &es);
if (es != opentimelineio::v1_0::ErrorStatus::OK) {
return false;
}
}
otio_timeline->tracks()->append_child(otio_track, &es);
if (es != opentimelineio::v1_0::ErrorStatus::OK) {
return false;
}
}
return true;
}
OLIVE_NAMESPACE_EXIT