160 lines
4.4 KiB
C++
160 lines
4.4 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 "exportotiotask.h"
|
|
|
|
#include <opentimelineio/clip.h>
|
|
#include <opentimelineio/externalReference.h>
|
|
#include <opentimelineio/gap.h>
|
|
#include <opentimelineio/transition.h>
|
|
|
|
#include "node/block/transition/transition.h"
|
|
#include "node/input/media/media.h"
|
|
|
|
OLIVE_NAMESPACE_ENTER
|
|
|
|
ExportOTIOTask::ExportOTIOTask(ViewerOutput *sequence, const QString &filename) :
|
|
sequence_(sequence),
|
|
filename_(filename)
|
|
{
|
|
SetTitle(tr("Saving '%1' as OpenTimelineIO").arg(sequence_->media_name()));
|
|
}
|
|
|
|
bool ExportOTIOTask::Run()
|
|
{
|
|
auto otio_timeline = new opentimelineio::v1_0::Timeline();
|
|
|
|
opentimelineio::v1_0::ErrorStatus es;
|
|
|
|
if (!SerializeTrackList(sequence_->track_list(Timeline::kTrackTypeVideo), otio_timeline)
|
|
|| !SerializeTrackList(sequence_->track_list(Timeline::kTrackTypeAudio), otio_timeline)) {
|
|
return false;
|
|
}
|
|
|
|
otio_timeline->to_json_file(filename_.toStdString(), &es);
|
|
|
|
return (es == opentimelineio::v1_0::ErrorStatus::OK);
|
|
}
|
|
|
|
opentimelineio::v1_0::Track *ExportOTIOTask::SerializeTrack(TrackOutput *track)
|
|
{
|
|
auto otio_track = new opentimelineio::v1_0::Track();
|
|
|
|
opentimelineio::v1_0::ErrorStatus es;
|
|
|
|
switch (track->track_type()) {
|
|
case Timeline::kTrackTypeVideo:
|
|
otio_track->set_kind("Video");
|
|
break;
|
|
case Timeline::kTrackTypeAudio:
|
|
otio_track->set_kind("Audio");
|
|
break;
|
|
default:
|
|
qWarning() << "Don't know OTIO track kind for native type" << track->track_type();
|
|
goto fail;
|
|
}
|
|
|
|
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()));
|
|
|
|
QList<MediaInput*> media_nodes = block->FindInputNodes<MediaInput>();
|
|
if (!media_nodes.isEmpty()) {
|
|
auto media_ref = new opentimelineio::v1_0::ExternalReference(media_nodes.first()->footage()->footage()->filename().toStdString());
|
|
otio_clip->set_media_reference(media_ref);
|
|
}
|
|
|
|
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
|
|
goto fail;
|
|
}
|
|
|
|
otio_track->append_child(otio_block, &es);
|
|
|
|
if (es != opentimelineio::v1_0::ErrorStatus::OK) {
|
|
goto fail;
|
|
}
|
|
}
|
|
|
|
return otio_track;
|
|
|
|
fail:
|
|
otio_track->possibly_delete();
|
|
|
|
return nullptr;
|
|
}
|
|
|
|
bool ExportOTIOTask::SerializeTrackList(TrackList *list, opentimelineio::v1_0::Timeline* otio_timeline)
|
|
{
|
|
opentimelineio::v1_0::ErrorStatus es;
|
|
|
|
foreach (TrackOutput* track, list->GetTracks()) {
|
|
auto otio_track = SerializeTrack(track);
|
|
|
|
if (!otio_track) {
|
|
return false;
|
|
}
|
|
|
|
otio_timeline->tracks()->append_child(otio_track, &es);
|
|
|
|
if (es != opentimelineio::v1_0::ErrorStatus::OK) {
|
|
return false;
|
|
}
|
|
}
|
|
|
|
return true;
|
|
}
|
|
|
|
OLIVE_NAMESPACE_EXIT
|