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/*
* 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 2
* 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, write to the Free Software Foundation,
* Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
*
* The Original Code is Copyright (C) 2001-2002 by NaN Holding BV.
* All rights reserved.
*
* - Blender Foundation, 2003-2009
* - Peter Schlaile <peter [at] schlaile [dot] de> 2005/2006
*/
/** \file
* \ingroup bke
*/
#include "DNA_scene_types.h"
#include "DNA_sequence_types.h"
#include "BLI_listbase.h"
#include "BLI_math.h"
#include "BLI_string.h"
#include "BLT_translation.h"
#include "BKE_movieclip.h"
#include "BKE_scene.h"
#include "BKE_sound.h"
#include "SEQ_sequencer.h"
int BKE_sequence_swap(Sequence *seq_a, Sequence *seq_b, const char **error_str)
{
char name[sizeof(seq_a->name)];
if (seq_a->len != seq_b->len) {
*error_str = N_("Strips must be the same length");
return 0;
}
/* type checking, could be more advanced but disallow sound vs non-sound copy */
if (seq_a->type != seq_b->type) {
if (seq_a->type == SEQ_TYPE_SOUND_RAM || seq_b->type == SEQ_TYPE_SOUND_RAM) {
*error_str = N_("Strips were not compatible");
return 0;
}
/* disallow effects to swap with non-effects strips */
if ((seq_a->type & SEQ_TYPE_EFFECT) != (seq_b->type & SEQ_TYPE_EFFECT)) {
*error_str = N_("Strips were not compatible");
return 0;
}
if ((seq_a->type & SEQ_TYPE_EFFECT) && (seq_b->type & SEQ_TYPE_EFFECT)) {
if (BKE_sequence_effect_get_num_inputs(seq_a->type) !=
BKE_sequence_effect_get_num_inputs(seq_b->type)) {
*error_str = N_("Strips must have the same number of inputs");
return 0;
}
}
}
SWAP(Sequence, *seq_a, *seq_b);
/* swap back names so animation fcurves don't get swapped */
BLI_strncpy(name, seq_a->name + 2, sizeof(name));
BLI_strncpy(seq_a->name + 2, seq_b->name + 2, sizeof(seq_b->name) - 2);
BLI_strncpy(seq_b->name + 2, name, sizeof(seq_b->name) - 2);
/* swap back opacity, and overlay mode */
SWAP(int, seq_a->blend_mode, seq_b->blend_mode);
SWAP(float, seq_a->blend_opacity, seq_b->blend_opacity);
SWAP(Sequence *, seq_a->prev, seq_b->prev);
SWAP(Sequence *, seq_a->next, seq_b->next);
SWAP(int, seq_a->start, seq_b->start);
SWAP(int, seq_a->startofs, seq_b->startofs);
SWAP(int, seq_a->endofs, seq_b->endofs);
SWAP(int, seq_a->startstill, seq_b->startstill);
SWAP(int, seq_a->endstill, seq_b->endstill);
SWAP(int, seq_a->machine, seq_b->machine);
SWAP(int, seq_a->startdisp, seq_b->startdisp);
SWAP(int, seq_a->enddisp, seq_b->enddisp);
return 1;
}
static void seq_update_muting_recursive(ListBase *seqbasep, Sequence *metaseq, int mute)
{
Sequence *seq;
int seqmute;
/* for sound we go over full meta tree to update muted state,
* since sound is played outside of evaluating the imbufs, */
for (seq = seqbasep->first; seq; seq = seq->next) {
seqmute = (mute || (seq->flag & SEQ_MUTE));
if (seq->type == SEQ_TYPE_META) {
/* if this is the current meta sequence, unmute because
* all sequences above this were set to mute */
if (seq == metaseq) {
seqmute = 0;
}
seq_update_muting_recursive(&seq->seqbase, metaseq, seqmute);
}
else if (ELEM(seq->type, SEQ_TYPE_SOUND_RAM, SEQ_TYPE_SCENE)) {
if (seq->scene_sound) {
BKE_sound_mute_scene_sound(seq->scene_sound, seqmute);
}
}
}
}
void BKE_sequencer_update_muting(Editing *ed)
{
if (ed) {
/* mute all sounds up to current metastack list */
MetaStack *ms = ed->metastack.last;
if (ms) {
seq_update_muting_recursive(&ed->seqbase, ms->parseq, 1);
}
else {
seq_update_muting_recursive(&ed->seqbase, NULL, 0);
}
}
}
static void sequencer_flag_users_for_removal(Scene *scene, ListBase *seqbase, Sequence *seq)
{
LISTBASE_FOREACH (Sequence *, user_seq, seqbase) {
/* Look in metas for usage of seq. */
if (user_seq->type == SEQ_TYPE_META) {
sequencer_flag_users_for_removal(scene, &user_seq->seqbase, seq);
}
/* Clear seq from modifiers. */
SequenceModifierData *smd;
for (smd = user_seq->modifiers.first; smd; smd = smd->next) {
if (smd->mask_sequence == seq) {
smd->mask_sequence = NULL;
}
}
/* Remove effects, that use seq. */
if ((user_seq->seq1 && user_seq->seq1 == seq) || (user_seq->seq2 && user_seq->seq2 == seq) ||
(user_seq->seq3 && user_seq->seq3 == seq)) {
user_seq->flag |= SEQ_FLAG_DELETE;
/* Strips can be used as mask even if not in same seqbase. */
sequencer_flag_users_for_removal(scene, &scene->ed->seqbase, user_seq);
}
}
}
/* Flag seq and its users (effects) for removal. */
void BKE_sequencer_flag_for_removal(Scene *scene, ListBase *seqbase, Sequence *seq)
{
if (seq == NULL || (seq->flag & SEQ_FLAG_DELETE) != 0) {
return;
}
/* Flag and remove meta children. */
if (seq->type == SEQ_TYPE_META) {
LISTBASE_FOREACH (Sequence *, meta_child, &seq->seqbase) {
BKE_sequencer_flag_for_removal(scene, &seq->seqbase, meta_child);
}
}
seq->flag |= SEQ_FLAG_DELETE;
sequencer_flag_users_for_removal(scene, seqbase, seq);
}
/* Remove all flagged sequences, return true if sequence is removed. */
void BKE_sequencer_remove_flagged_sequences(Scene *scene, ListBase *seqbase)
{
LISTBASE_FOREACH_MUTABLE (Sequence *, seq, seqbase) {
if (seq->flag & SEQ_FLAG_DELETE) {
if (seq->type == SEQ_TYPE_META) {
BKE_sequencer_remove_flagged_sequences(scene, &seq->seqbase);
}
BLI_remlink(seqbase, seq);
BKE_sequence_free(scene, seq, true);
}
}
}
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