749 lines
26 KiB
C
749 lines
26 KiB
C
/* SPDX-License-Identifier: GPL-2.0-or-later
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* Copyright 2001-2002 NaN Holding BV. All rights reserved.
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* 2003-2009 Blender Foundation.
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* 2005-2006 Peter Schlaile <peter [at] schlaile [dot] de> */
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/** \file
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* \ingroup bke
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*/
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#include "DNA_scene_types.h"
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#include "DNA_sequence_types.h"
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#include "BLI_listbase.h"
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#include "BLI_math.h"
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#include "BKE_main.h"
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#include "BKE_scene.h"
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#include "BKE_sound.h"
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#include "SEQ_animation.h"
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#include "SEQ_channels.h"
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#include "SEQ_edit.h"
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#include "SEQ_effects.h"
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#include "SEQ_iterator.h"
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#include "SEQ_relations.h"
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#include "SEQ_sequencer.h"
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#include "SEQ_time.h"
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#include "SEQ_transform.h"
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#include "sequencer.h"
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#include "strip_time.h"
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#include "CLG_log.h"
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static CLG_LogRef LOG = {"seq.strip_transform"};
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bool SEQ_transform_single_image_check(Sequence *seq)
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{
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return ((seq->len == 1) &&
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(seq->type == SEQ_TYPE_IMAGE ||
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((seq->type & SEQ_TYPE_EFFECT) && SEQ_effect_get_num_inputs(seq->type) == 0)));
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}
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bool SEQ_transform_seqbase_isolated_sel_check(ListBase *seqbase)
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{
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Sequence *seq;
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/* is there more than 1 select */
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bool ok = false;
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for (seq = seqbase->first; seq; seq = seq->next) {
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if (seq->flag & SELECT) {
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ok = true;
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break;
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}
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}
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if (ok == false) {
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return false;
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}
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/* test relationships */
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for (seq = seqbase->first; seq; seq = seq->next) {
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if ((seq->type & SEQ_TYPE_EFFECT) == 0) {
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continue;
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}
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if (seq->flag & SELECT) {
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if ((seq->seq1 && (seq->seq1->flag & SELECT) == 0) ||
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(seq->seq2 && (seq->seq2->flag & SELECT) == 0) ||
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(seq->seq3 && (seq->seq3->flag & SELECT) == 0)) {
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return false;
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}
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}
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else {
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if ((seq->seq1 && (seq->seq1->flag & SELECT)) || (seq->seq2 && (seq->seq2->flag & SELECT)) ||
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(seq->seq3 && (seq->seq3->flag & SELECT))) {
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return false;
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}
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}
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}
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return true;
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}
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bool SEQ_transform_sequence_can_be_translated(Sequence *seq)
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{
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return !(seq->type & SEQ_TYPE_EFFECT) || (SEQ_effect_get_num_inputs(seq->type) == 0);
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}
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bool SEQ_transform_test_overlap_seq_seq(const Scene *scene, Sequence *seq1, Sequence *seq2)
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{
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return (seq1 != seq2 && seq1->machine == seq2->machine &&
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((SEQ_time_right_handle_frame_get(scene, seq1) <=
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SEQ_time_left_handle_frame_get(scene, seq2)) ||
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(SEQ_time_left_handle_frame_get(scene, seq1) >=
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SEQ_time_right_handle_frame_get(scene, seq2))) == 0);
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}
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bool SEQ_transform_test_overlap(const Scene *scene, ListBase *seqbasep, Sequence *test)
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{
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Sequence *seq;
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seq = seqbasep->first;
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while (seq) {
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if (SEQ_transform_test_overlap_seq_seq(scene, test, seq)) {
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return true;
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}
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seq = seq->next;
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}
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return false;
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}
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void SEQ_transform_translate_sequence(Scene *evil_scene, Sequence *seq, int delta)
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{
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if (delta == 0) {
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return;
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}
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/* Meta strips requires their content is to be translated, and then frame range of the meta is
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* updated based on nested strips. This won't work for empty meta-strips,
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* so they can be treated as normal strip. */
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if (seq->type == SEQ_TYPE_META && !BLI_listbase_is_empty(&seq->seqbase)) {
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Sequence *seq_child;
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for (seq_child = seq->seqbase.first; seq_child; seq_child = seq_child->next) {
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SEQ_transform_translate_sequence(evil_scene, seq_child, delta);
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}
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/* Move meta start/end points. */
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seq_time_translate_handles(evil_scene, seq, delta);
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}
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else if (seq->seq1 == NULL && seq->seq2 == NULL) { /* All other strip types. */
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seq->start += delta;
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/* Only to make files usable in older versions. */
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seq->startdisp = SEQ_time_left_handle_frame_get(evil_scene, seq);
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seq->enddisp = SEQ_time_right_handle_frame_get(evil_scene, seq);
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}
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SEQ_offset_animdata(evil_scene, seq, delta);
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SEQ_time_update_meta_strip_range(evil_scene, seq_sequence_lookup_meta_by_seq(evil_scene, seq));
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seq_time_update_effects_strip_range(evil_scene,
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seq_sequence_lookup_effects_by_seq(evil_scene, seq));
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}
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bool SEQ_transform_seqbase_shuffle_ex(ListBase *seqbasep,
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Sequence *test,
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Scene *evil_scene,
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int channel_delta)
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{
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const int orig_machine = test->machine;
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BLI_assert(ELEM(channel_delta, -1, 1));
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test->machine += channel_delta;
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while (SEQ_transform_test_overlap(evil_scene, seqbasep, test)) {
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if ((channel_delta > 0) ? (test->machine >= MAXSEQ) : (test->machine < 1)) {
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break;
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}
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test->machine += channel_delta;
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}
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if (!SEQ_valid_strip_channel(test)) {
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/* Blender 2.4x would remove the strip.
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* nicer to move it to the end */
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Sequence *seq;
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int new_frame = SEQ_time_right_handle_frame_get(evil_scene, test);
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for (seq = seqbasep->first; seq; seq = seq->next) {
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if (seq->machine == orig_machine) {
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new_frame = max_ii(new_frame, SEQ_time_right_handle_frame_get(evil_scene, seq));
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}
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}
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test->machine = orig_machine;
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new_frame = new_frame + (test->start - SEQ_time_left_handle_frame_get(
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evil_scene, test)); /* adjust by the startdisp */
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SEQ_transform_translate_sequence(evil_scene, test, new_frame - test->start);
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return false;
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}
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return true;
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}
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bool SEQ_transform_seqbase_shuffle(ListBase *seqbasep, Sequence *test, Scene *evil_scene)
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{
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return SEQ_transform_seqbase_shuffle_ex(seqbasep, test, evil_scene, 1);
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}
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static bool shuffle_seq_test_overlap(const Scene *scene,
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const Sequence *seq1,
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const Sequence *seq2,
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const int offset)
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{
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return (seq1 != seq2 && seq1->machine == seq2->machine &&
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((SEQ_time_right_handle_frame_get(scene, seq1) + offset <=
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SEQ_time_left_handle_frame_get(scene, seq2)) ||
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(SEQ_time_left_handle_frame_get(scene, seq1) + offset >=
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SEQ_time_right_handle_frame_get(scene, seq2))) == 0);
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}
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static int shuffle_seq_time_offset_get(const Scene *scene,
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SeqCollection *strips_to_shuffle,
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ListBase *seqbasep,
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char dir)
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{
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int offset = 0;
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Sequence *seq;
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bool all_conflicts_resolved = false;
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while (!all_conflicts_resolved) {
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all_conflicts_resolved = true;
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SEQ_ITERATOR_FOREACH (seq, strips_to_shuffle) {
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LISTBASE_FOREACH (Sequence *, seq_other, seqbasep) {
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if (!shuffle_seq_test_overlap(scene, seq, seq_other, offset)) {
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continue;
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}
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if (SEQ_relation_is_effect_of_strip(seq_other, seq)) {
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continue;
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}
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if (UNLIKELY(SEQ_collection_has_strip(seq_other, strips_to_shuffle))) {
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CLOG_WARN(&LOG,
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"Strip overlaps with itself or another strip, that is to be shuffled. "
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"This should never happen.");
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continue;
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}
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all_conflicts_resolved = false;
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if (dir == 'L') {
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offset = min_ii(offset,
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SEQ_time_left_handle_frame_get(scene, seq_other) -
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SEQ_time_right_handle_frame_get(scene, seq));
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}
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else {
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offset = max_ii(offset,
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SEQ_time_right_handle_frame_get(scene, seq_other) -
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SEQ_time_left_handle_frame_get(scene, seq));
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}
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}
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}
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}
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return offset;
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}
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bool SEQ_transform_seqbase_shuffle_time(SeqCollection *strips_to_shuffle,
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SeqCollection *time_dependent_strips,
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ListBase *seqbasep,
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Scene *evil_scene,
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ListBase *markers,
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const bool use_sync_markers)
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{
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int offset_l = shuffle_seq_time_offset_get(evil_scene, strips_to_shuffle, seqbasep, 'L');
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int offset_r = shuffle_seq_time_offset_get(evil_scene, strips_to_shuffle, seqbasep, 'R');
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int offset = (-offset_l < offset_r) ? offset_l : offset_r;
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if (offset) {
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Sequence *seq;
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SEQ_ITERATOR_FOREACH (seq, strips_to_shuffle) {
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SEQ_transform_translate_sequence(evil_scene, seq, offset);
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seq->flag &= ~SEQ_OVERLAP;
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}
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if (time_dependent_strips != NULL) {
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SEQ_ITERATOR_FOREACH (seq, time_dependent_strips) {
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SEQ_offset_animdata(evil_scene, seq, offset);
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}
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}
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if (use_sync_markers && !(evil_scene->toolsettings->lock_markers) && (markers != NULL)) {
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TimeMarker *marker;
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/* affect selected markers - it's unlikely that we will want to affect all in this way? */
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for (marker = markers->first; marker; marker = marker->next) {
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if (marker->flag & SELECT) {
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marker->frame += offset;
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}
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}
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}
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}
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return offset ? false : true;
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}
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static SeqCollection *extract_standalone_strips(SeqCollection *transformed_strips)
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{
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SeqCollection *collection = SEQ_collection_create(__func__);
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Sequence *seq;
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SEQ_ITERATOR_FOREACH (seq, transformed_strips) {
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if ((seq->type & SEQ_TYPE_EFFECT) == 0 || seq->seq1 == NULL) {
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SEQ_collection_append_strip(seq, collection);
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}
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}
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return collection;
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}
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/* Query strips positioned after left edge of transformed strips bound-box. */
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static SeqCollection *query_right_side_strips(const Scene *scene,
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ListBase *seqbase,
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SeqCollection *transformed_strips,
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SeqCollection *time_dependent_strips)
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{
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int minframe = MAXFRAME;
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{
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Sequence *seq;
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SEQ_ITERATOR_FOREACH (seq, transformed_strips) {
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minframe = min_ii(minframe, SEQ_time_left_handle_frame_get(scene, seq));
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}
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}
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SeqCollection *collection = SEQ_collection_create(__func__);
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LISTBASE_FOREACH (Sequence *, seq, seqbase) {
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if (SEQ_collection_has_strip(seq, time_dependent_strips)) {
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continue;
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}
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if (SEQ_collection_has_strip(seq, transformed_strips)) {
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continue;
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}
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if ((seq->flag & SELECT) == 0 && SEQ_time_left_handle_frame_get(scene, seq) >= minframe) {
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SEQ_collection_append_strip(seq, collection);
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}
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}
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return collection;
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}
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/* Offset all strips positioned after left edge of transformed strips bound-box by amount equal
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* to overlap of transformed strips. */
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static void seq_transform_handle_expand_to_fit(Scene *scene,
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ListBase *seqbasep,
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SeqCollection *transformed_strips,
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SeqCollection *time_dependent_strips,
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bool use_sync_markers)
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{
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ListBase *markers = &scene->markers;
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SeqCollection *right_side_strips = query_right_side_strips(
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scene, seqbasep, transformed_strips, time_dependent_strips);
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/* Temporarily move right side strips beyond timeline boundary. */
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Sequence *seq;
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SEQ_ITERATOR_FOREACH (seq, right_side_strips) {
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seq->machine += MAXSEQ * 2;
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}
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/* Shuffle transformed standalone strips. This is because transformed strips can overlap with
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* strips on left side. */
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SeqCollection *standalone_strips = extract_standalone_strips(transformed_strips);
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SEQ_transform_seqbase_shuffle_time(
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standalone_strips, time_dependent_strips, seqbasep, scene, markers, use_sync_markers);
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SEQ_collection_free(standalone_strips);
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/* Move temporarily moved strips back to their original place and tag for shuffling. */
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SEQ_ITERATOR_FOREACH (seq, right_side_strips) {
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seq->machine -= MAXSEQ * 2;
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}
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/* Shuffle again to displace strips on right side. Final effect shuffling is done in
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* SEQ_transform_handle_overlap. */
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SEQ_transform_seqbase_shuffle_time(
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right_side_strips, NULL, seqbasep, scene, markers, use_sync_markers);
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SEQ_collection_free(right_side_strips);
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}
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static SeqCollection *query_overwrite_targets(const Scene *scene,
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ListBase *seqbasep,
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SeqCollection *transformed_strips)
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{
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SeqCollection *collection = SEQ_query_unselected_strips(seqbasep);
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Sequence *seq, *seq_transformed;
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SEQ_ITERATOR_FOREACH (seq, collection) {
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bool does_overlap = false;
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SEQ_ITERATOR_FOREACH (seq_transformed, transformed_strips) {
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/* Effects of transformed strips can be unselected. These must not be included. */
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if (seq == seq_transformed) {
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SEQ_collection_remove_strip(seq, collection);
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}
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if (SEQ_transform_test_overlap_seq_seq(scene, seq, seq_transformed)) {
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does_overlap = true;
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}
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}
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if (!does_overlap) {
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SEQ_collection_remove_strip(seq, collection);
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}
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}
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return collection;
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}
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typedef enum eOvelapDescrition {
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/* No overlap. */
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STRIP_OVERLAP_NONE,
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/* Overlapping strip covers overlapped completely. */
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STRIP_OVERLAP_IS_FULL,
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/* Overlapping strip is inside overlapped. */
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STRIP_OVERLAP_IS_INSIDE,
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/* Partial overlap between 2 strips. */
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STRIP_OVERLAP_LEFT_SIDE,
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STRIP_OVERLAP_RIGHT_SIDE,
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} eOvelapDescrition;
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static eOvelapDescrition overlap_description_get(const Scene *scene,
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const Sequence *transformed,
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const Sequence *target)
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{
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if (SEQ_time_left_handle_frame_get(scene, transformed) <=
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SEQ_time_left_handle_frame_get(scene, target) &&
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SEQ_time_right_handle_frame_get(scene, transformed) >=
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SEQ_time_right_handle_frame_get(scene, target)) {
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return STRIP_OVERLAP_IS_FULL;
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}
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if (SEQ_time_left_handle_frame_get(scene, transformed) >
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SEQ_time_left_handle_frame_get(scene, target) &&
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SEQ_time_right_handle_frame_get(scene, transformed) <
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SEQ_time_right_handle_frame_get(scene, target)) {
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return STRIP_OVERLAP_IS_INSIDE;
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}
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if (SEQ_time_left_handle_frame_get(scene, transformed) <=
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SEQ_time_left_handle_frame_get(scene, target) &&
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SEQ_time_left_handle_frame_get(scene, target) <=
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SEQ_time_right_handle_frame_get(scene, transformed)) {
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return STRIP_OVERLAP_LEFT_SIDE;
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}
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if (SEQ_time_left_handle_frame_get(scene, transformed) <=
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SEQ_time_right_handle_frame_get(scene, target) &&
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SEQ_time_right_handle_frame_get(scene, target) <=
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SEQ_time_right_handle_frame_get(scene, transformed)) {
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return STRIP_OVERLAP_RIGHT_SIDE;
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}
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return STRIP_OVERLAP_NONE;
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}
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/* Split strip in 3 parts, remove middle part and fit transformed inside. */
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static void seq_transform_handle_overwrite_split(Scene *scene,
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ListBase *seqbasep,
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const Sequence *transformed,
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Sequence *target)
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{
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/* Because we are doing a soft split, bmain is not used in SEQ_edit_strip_split, so we can pass
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* NULL here. */
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Main *bmain = NULL;
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Sequence *split_strip = SEQ_edit_strip_split(bmain,
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scene,
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seqbasep,
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target,
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SEQ_time_left_handle_frame_get(scene, transformed),
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SEQ_SPLIT_SOFT,
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NULL);
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SEQ_edit_strip_split(bmain,
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scene,
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seqbasep,
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split_strip,
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SEQ_time_right_handle_frame_get(scene, transformed),
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SEQ_SPLIT_SOFT,
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NULL);
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SEQ_edit_flag_for_removal(scene, seqbasep, split_strip);
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SEQ_edit_remove_flagged_sequences(scene, seqbasep);
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}
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/* Trim strips by adjusting handle position.
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* This is bit more complicated in case overlap happens on effect. */
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static void seq_transform_handle_overwrite_trim(Scene *scene,
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ListBase *seqbasep,
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const Sequence *transformed,
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Sequence *target,
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const eOvelapDescrition overlap)
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{
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SeqCollection *targets = SEQ_query_by_reference(
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target, scene, seqbasep, SEQ_query_strip_effect_chain);
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/* Expand collection by adding all target's children, effects and their children. */
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if ((target->type & SEQ_TYPE_EFFECT) != 0) {
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SEQ_collection_expand(scene, seqbasep, targets, SEQ_query_strip_effect_chain);
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}
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/* Trim all non effects, that have influence on effect length which is overlapping. */
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Sequence *seq;
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SEQ_ITERATOR_FOREACH (seq, targets) {
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if ((seq->type & SEQ_TYPE_EFFECT) != 0 && SEQ_effect_get_num_inputs(seq->type) > 0) {
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continue;
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}
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if (overlap == STRIP_OVERLAP_LEFT_SIDE) {
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SEQ_time_left_handle_frame_set(
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scene, seq, SEQ_time_right_handle_frame_get(scene, transformed));
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}
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else {
|
|
BLI_assert(overlap == STRIP_OVERLAP_RIGHT_SIDE);
|
|
SEQ_time_right_handle_frame_set(
|
|
scene, seq, SEQ_time_left_handle_frame_get(scene, transformed));
|
|
}
|
|
}
|
|
SEQ_collection_free(targets);
|
|
}
|
|
|
|
static void seq_transform_handle_overwrite(Scene *scene,
|
|
ListBase *seqbasep,
|
|
SeqCollection *transformed_strips)
|
|
{
|
|
SeqCollection *targets = query_overwrite_targets(scene, seqbasep, transformed_strips);
|
|
SeqCollection *strips_to_delete = SEQ_collection_create(__func__);
|
|
|
|
Sequence *target;
|
|
Sequence *transformed;
|
|
SEQ_ITERATOR_FOREACH (target, targets) {
|
|
SEQ_ITERATOR_FOREACH (transformed, transformed_strips) {
|
|
if (transformed->machine != target->machine) {
|
|
continue;
|
|
}
|
|
|
|
const eOvelapDescrition overlap = overlap_description_get(scene, transformed, target);
|
|
|
|
if (overlap == STRIP_OVERLAP_IS_FULL) {
|
|
SEQ_collection_append_strip(target, strips_to_delete);
|
|
}
|
|
else if (overlap == STRIP_OVERLAP_IS_INSIDE) {
|
|
seq_transform_handle_overwrite_split(scene, seqbasep, transformed, target);
|
|
}
|
|
else if (ELEM(overlap, STRIP_OVERLAP_LEFT_SIDE, STRIP_OVERLAP_RIGHT_SIDE)) {
|
|
seq_transform_handle_overwrite_trim(scene, seqbasep, transformed, target, overlap);
|
|
}
|
|
}
|
|
}
|
|
|
|
SEQ_collection_free(targets);
|
|
|
|
/* Remove covered strips. This must be done in separate loop, because `SEQ_edit_strip_split()`
|
|
* also uses `SEQ_edit_remove_flagged_sequences()`. See T91096. */
|
|
if (SEQ_collection_len(strips_to_delete) > 0) {
|
|
Sequence *seq;
|
|
SEQ_ITERATOR_FOREACH (seq, strips_to_delete) {
|
|
SEQ_edit_flag_for_removal(scene, seqbasep, seq);
|
|
}
|
|
SEQ_edit_remove_flagged_sequences(scene, seqbasep);
|
|
}
|
|
SEQ_collection_free(strips_to_delete);
|
|
}
|
|
|
|
static void seq_transform_handle_overlap_shuffle(Scene *scene,
|
|
ListBase *seqbasep,
|
|
SeqCollection *transformed_strips,
|
|
SeqCollection *time_dependent_strips,
|
|
bool use_sync_markers)
|
|
{
|
|
ListBase *markers = &scene->markers;
|
|
|
|
/* Shuffle non strips with no effects attached. */
|
|
SeqCollection *standalone_strips = extract_standalone_strips(transformed_strips);
|
|
SEQ_transform_seqbase_shuffle_time(
|
|
standalone_strips, time_dependent_strips, seqbasep, scene, markers, use_sync_markers);
|
|
SEQ_collection_free(standalone_strips);
|
|
}
|
|
|
|
void SEQ_transform_handle_overlap(Scene *scene,
|
|
ListBase *seqbasep,
|
|
SeqCollection *transformed_strips,
|
|
SeqCollection *time_dependent_strips,
|
|
bool use_sync_markers)
|
|
{
|
|
const eSeqOverlapMode overlap_mode = SEQ_tool_settings_overlap_mode_get(scene);
|
|
|
|
switch (overlap_mode) {
|
|
case SEQ_OVERLAP_EXPAND:
|
|
seq_transform_handle_expand_to_fit(
|
|
scene, seqbasep, transformed_strips, time_dependent_strips, use_sync_markers);
|
|
break;
|
|
case SEQ_OVERLAP_OVERWRITE:
|
|
seq_transform_handle_overwrite(scene, seqbasep, transformed_strips);
|
|
break;
|
|
case SEQ_OVERLAP_SHUFFLE:
|
|
seq_transform_handle_overlap_shuffle(
|
|
scene, seqbasep, transformed_strips, time_dependent_strips, use_sync_markers);
|
|
break;
|
|
}
|
|
|
|
/* If any effects still overlap, we need to move them up.
|
|
* In some cases other strips can be overlapping still, see T90646. */
|
|
Sequence *seq;
|
|
SEQ_ITERATOR_FOREACH (seq, transformed_strips) {
|
|
if (SEQ_transform_test_overlap(scene, seqbasep, seq)) {
|
|
SEQ_transform_seqbase_shuffle(seqbasep, seq, scene);
|
|
}
|
|
seq->flag &= ~SEQ_OVERLAP;
|
|
}
|
|
}
|
|
|
|
void SEQ_transform_offset_after_frame(Scene *scene,
|
|
ListBase *seqbase,
|
|
const int delta,
|
|
const int timeline_frame)
|
|
{
|
|
LISTBASE_FOREACH (Sequence *, seq, seqbase) {
|
|
if (SEQ_time_left_handle_frame_get(scene, seq) >= timeline_frame) {
|
|
SEQ_transform_translate_sequence(scene, seq, delta);
|
|
SEQ_relations_invalidate_cache_preprocessed(scene, seq);
|
|
}
|
|
}
|
|
|
|
if (!scene->toolsettings->lock_markers) {
|
|
LISTBASE_FOREACH (TimeMarker *, marker, &scene->markers) {
|
|
if (marker->frame >= timeline_frame) {
|
|
marker->frame += delta;
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
bool SEQ_transform_is_locked(ListBase *channels, Sequence *seq)
|
|
{
|
|
SeqTimelineChannel *channel = SEQ_channel_get_by_index(channels, seq->machine);
|
|
return seq->flag & SEQ_LOCK ||
|
|
(SEQ_channel_is_locked(channel) && ((seq->flag & SEQ_IGNORE_CHANNEL_LOCK) == 0));
|
|
}
|
|
|
|
void SEQ_image_transform_mirror_factor_get(const Sequence *seq, float r_mirror[2])
|
|
{
|
|
r_mirror[0] = 1.0f;
|
|
r_mirror[1] = 1.0f;
|
|
|
|
if ((seq->flag & SEQ_FLIPX) != 0) {
|
|
r_mirror[0] = -1.0f;
|
|
}
|
|
if ((seq->flag & SEQ_FLIPY) != 0) {
|
|
r_mirror[1] = -1.0f;
|
|
}
|
|
}
|
|
|
|
void SEQ_image_transform_origin_offset_pixelspace_get(const Scene *scene,
|
|
const Sequence *seq,
|
|
float r_origin[2])
|
|
{
|
|
float image_size[2];
|
|
StripElem *strip_elem = seq->strip->stripdata;
|
|
if (strip_elem == NULL) {
|
|
image_size[0] = scene->r.xsch;
|
|
image_size[1] = scene->r.ysch;
|
|
}
|
|
else {
|
|
image_size[0] = strip_elem->orig_width;
|
|
image_size[1] = strip_elem->orig_height;
|
|
}
|
|
|
|
const StripTransform *transform = seq->strip->transform;
|
|
r_origin[0] = (image_size[0] * transform->origin[0]) - (image_size[0] * 0.5f) + transform->xofs;
|
|
r_origin[1] = (image_size[1] * transform->origin[1]) - (image_size[1] * 0.5f) + transform->yofs;
|
|
|
|
const float viewport_pixel_aspect[2] = {scene->r.xasp / scene->r.yasp, 1.0f};
|
|
float mirror[2];
|
|
SEQ_image_transform_mirror_factor_get(seq, mirror);
|
|
mul_v2_v2(r_origin, mirror);
|
|
mul_v2_v2(r_origin, viewport_pixel_aspect);
|
|
}
|
|
|
|
static void seq_image_transform_quad_get_ex(const Scene *scene,
|
|
const Sequence *seq,
|
|
bool apply_rotation,
|
|
float r_quad[4][2])
|
|
{
|
|
StripTransform *transform = seq->strip->transform;
|
|
StripCrop *crop = seq->strip->crop;
|
|
|
|
int image_size[2] = {scene->r.xsch, scene->r.ysch};
|
|
if (ELEM(seq->type, SEQ_TYPE_MOVIE, SEQ_TYPE_IMAGE)) {
|
|
image_size[0] = seq->strip->stripdata->orig_width;
|
|
image_size[1] = seq->strip->stripdata->orig_height;
|
|
}
|
|
|
|
float transform_matrix[4][4];
|
|
float rotation_matrix[3][3];
|
|
axis_angle_to_mat3_single(rotation_matrix, 'Z', apply_rotation ? transform->rotation : 0.0f);
|
|
loc_rot_size_to_mat4(transform_matrix,
|
|
(const float[]){transform->xofs, transform->yofs, 0.0f},
|
|
rotation_matrix,
|
|
(const float[]){transform->scale_x, transform->scale_y, 1.0f});
|
|
const float origin[2] = {image_size[0] * transform->origin[0],
|
|
image_size[1] * transform->origin[1]};
|
|
const float pivot[3] = {origin[0] - (image_size[0] / 2), origin[1] - (image_size[1] / 2), 0.0f};
|
|
transform_pivot_set_m4(transform_matrix, pivot);
|
|
|
|
float quad_temp[4][3];
|
|
for (int i = 0; i < 4; i++) {
|
|
zero_v2(quad_temp[i]);
|
|
}
|
|
|
|
quad_temp[0][0] = (image_size[0] / 2) - crop->right;
|
|
quad_temp[0][1] = (image_size[1] / 2) - crop->top;
|
|
quad_temp[1][0] = (image_size[0] / 2) - crop->right;
|
|
quad_temp[1][1] = (-image_size[1] / 2) + crop->bottom;
|
|
quad_temp[2][0] = (-image_size[0] / 2) + crop->left;
|
|
quad_temp[2][1] = (-image_size[1] / 2) + crop->bottom;
|
|
quad_temp[3][0] = (-image_size[0] / 2) + crop->left;
|
|
quad_temp[3][1] = (image_size[1] / 2) - crop->top;
|
|
|
|
float mirror[2];
|
|
SEQ_image_transform_mirror_factor_get(seq, mirror);
|
|
|
|
const float viewport_pixel_aspect[2] = {scene->r.xasp / scene->r.yasp, 1.0f};
|
|
|
|
for (int i = 0; i < 4; i++) {
|
|
mul_m4_v3(transform_matrix, quad_temp[i]);
|
|
mul_v2_v2(quad_temp[i], mirror);
|
|
mul_v2_v2(quad_temp[i], viewport_pixel_aspect);
|
|
copy_v2_v2(r_quad[i], quad_temp[i]);
|
|
}
|
|
}
|
|
|
|
void SEQ_image_transform_quad_get(const Scene *scene,
|
|
const Sequence *seq,
|
|
bool apply_rotation,
|
|
float r_quad[4][2])
|
|
{
|
|
seq_image_transform_quad_get_ex(scene, seq, apply_rotation, r_quad);
|
|
}
|
|
|
|
void SEQ_image_transform_final_quad_get(const Scene *scene,
|
|
const Sequence *seq,
|
|
float r_quad[4][2])
|
|
{
|
|
seq_image_transform_quad_get_ex(scene, seq, true, r_quad);
|
|
}
|
|
|
|
void SEQ_image_preview_unit_to_px(const Scene *scene, const float co_src[2], float co_dst[2])
|
|
{
|
|
co_dst[0] = co_src[0] * scene->r.xsch;
|
|
co_dst[1] = co_src[1] * scene->r.ysch;
|
|
}
|
|
|
|
void SEQ_image_preview_unit_from_px(const Scene *scene, const float co_src[2], float co_dst[2])
|
|
{
|
|
co_dst[0] = co_src[0] / scene->r.xsch;
|
|
co_dst[1] = co_src[1] / scene->r.ysch;
|
|
}
|
|
|
|
void SEQ_image_transform_bounding_box_from_collection(
|
|
Scene *scene, SeqCollection *strips, bool apply_rotation, float r_min[2], float r_max[2])
|
|
{
|
|
Sequence *seq;
|
|
|
|
INIT_MINMAX2(r_min, r_max);
|
|
SEQ_ITERATOR_FOREACH (seq, strips) {
|
|
float quad[4][2];
|
|
SEQ_image_transform_quad_get(scene, seq, apply_rotation, quad);
|
|
for (int i = 0; i < 4; i++) {
|
|
minmax_v2v2_v2(r_min, r_max, quad[i]);
|
|
}
|
|
}
|
|
}
|