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/* SPDX-License-Identifier: GPL-2.0-or-later
* Copyright 2019 Blender Foundation. All rights reserved. */
/** \file
* \ingroup depsgraph
*/
#include "intern/eval/deg_eval_runtime_backup_sequencer.h"
#include "DNA_scene_types.h"
#include "DNA_sequence_types.h"
#include "BLI_assert.h"
#include "BKE_sound.h"
#include "SEQ_iterator.h"
namespace blender::deg {
SequencerBackup::SequencerBackup(const Depsgraph *depsgraph) : depsgraph(depsgraph)
{
}
static bool seq_init_cb(Sequence *seq, void *user_data)
{
SequencerBackup *sb = (SequencerBackup *)user_data;
SequenceBackup sequence_backup(sb->depsgraph);
sequence_backup.init_from_sequence(seq);
if (!sequence_backup.isEmpty()) {
const SessionUUID &session_uuid = seq->runtime.session_uuid;
BLI_assert(BLI_session_uuid_is_generated(&session_uuid));
sb->sequences_backup.add(session_uuid, sequence_backup);
}
return true;
}
void SequencerBackup::init_from_scene(Scene *scene)
{
if (scene->ed != nullptr) {
SEQ_for_each_callback(&scene->ed->seqbase, seq_init_cb, this);
}
}
static bool seq_restore_cb(Sequence *seq, void *user_data)
{
SequencerBackup *sb = (SequencerBackup *)user_data;
const SessionUUID &session_uuid = seq->runtime.session_uuid;
BLI_assert(BLI_session_uuid_is_generated(&session_uuid));
SequenceBackup *sequence_backup = sb->sequences_backup.lookup_ptr(session_uuid);
if (sequence_backup != nullptr) {
sequence_backup->restore_to_sequence(seq);
}
return true;
}
void SequencerBackup::restore_to_scene(Scene *scene)
{
if (scene->ed != nullptr) {
SEQ_for_each_callback(&scene->ed->seqbase, seq_restore_cb, this);
}
/* Cleanup audio while the scene is still known. */
for (SequenceBackup &sequence_backup : sequences_backup.values()) {
if (sequence_backup.scene_sound != nullptr) {
BKE_sound_remove_scene_sound(scene, sequence_backup.scene_sound);
}
}
}
} // namespace blender::deg
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