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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 "MEM_guardedalloc.h"
#include "DNA_anim_types.h"
#include "DNA_scene_types.h"
#include "DNA_sequence_types.h"
#include "BLI_listbase.h"
#include "BLI_string.h"
#include "BKE_animsys.h"
#include "BKE_fcurve.h"
#include "BKE_idprop.h"
#include "BKE_lib_id.h"
#include "BKE_sound.h"
#include "DEG_depsgraph.h"
#include "IMB_colormanagement.h"
#include "IMB_imbuf.h"
#include "SEQ_sequencer.h"
#include "image_cache.h"
#include "prefetch.h"
#include "sequencer.h"
#include "utils.h"
static void seq_free_animdata(Scene *scene, Sequence *seq);
/* -------------------------------------------------------------------- */
/** \name Allocate / Free Functions
* \{ */
static Strip *seq_strip_alloc(int type)
{
Strip *strip = MEM_callocN(sizeof(Strip), "strip");
if (ELEM(type, SEQ_TYPE_SOUND_RAM, SEQ_TYPE_SOUND_HD) == 0) {
strip->transform = MEM_callocN(sizeof(struct StripTransform), "StripTransform");
strip->transform->scale_x = 1;
strip->transform->scale_y = 1;
strip->crop = MEM_callocN(sizeof(struct StripCrop), "StripCrop");
}
strip->us = 1;
return strip;
}
static void seq_free_strip(Strip *strip)
{
strip->us--;
if (strip->us > 0) {
return;
}
if (strip->us < 0) {
printf("error: negative users in strip\n");
return;
}
if (strip->stripdata) {
MEM_freeN(strip->stripdata);
}
if (strip->proxy) {
if (strip->proxy->anim) {
IMB_free_anim(strip->proxy->anim);
}
MEM_freeN(strip->proxy);
}
if (strip->crop) {
MEM_freeN(strip->crop);
}
if (strip->transform) {
MEM_freeN(strip->transform);
}
MEM_freeN(strip);
}
Sequence *SEQ_sequence_alloc(ListBase *lb, int timeline_frame, int machine, int type)
{
Sequence *seq;
seq = MEM_callocN(sizeof(Sequence), "addseq");
BLI_addtail(lb, seq);
*((short *)seq->name) = ID_SEQ;
seq->name[2] = 0;
seq->flag = SELECT;
seq->start = timeline_frame;
seq->machine = machine;
seq->sat = 1.0;
seq->mul = 1.0;
seq->blend_opacity = 100.0;
seq->volume = 1.0f;
seq->pitch = 1.0f;
seq->scene_sound = NULL;
seq->type = type;
seq->strip = seq_strip_alloc(type);
seq->stereo3d_format = MEM_callocN(sizeof(Stereo3dFormat), "Sequence Stereo Format");
seq->cache_flag = SEQ_CACHE_STORE_RAW | SEQ_CACHE_STORE_PREPROCESSED | SEQ_CACHE_STORE_COMPOSITE;
SEQ_relations_session_uuid_generate(seq);
return seq;
}
/* only give option to skip cache locally (static func) */
static void seq_sequence_free_ex(Scene *scene,
Sequence *seq,
const bool do_cache,
const bool do_id_user,
const bool do_clean_animdata)
{
if (seq->strip) {
seq_free_strip(seq->strip);
}
SEQ_relations_sequence_free_anim(seq);
if (seq->type & SEQ_TYPE_EFFECT) {
struct SeqEffectHandle sh = SEQ_effect_handle_get(seq);
sh.free(seq, do_id_user);
}
if (seq->sound && do_id_user) {
id_us_min(((ID *)seq->sound));
}
if (seq->stereo3d_format) {
MEM_freeN(seq->stereo3d_format);
}
/* clipboard has no scene and will never have a sound handle or be active
* same goes to sequences copy for proxy rebuild job
*/
if (scene) {
Editing *ed = scene->ed;
if (ed->act_seq == seq) {
ed->act_seq = NULL;
}
if (seq->scene_sound && ELEM(seq->type, SEQ_TYPE_SOUND_RAM, SEQ_TYPE_SCENE)) {
BKE_sound_remove_scene_sound(scene, seq->scene_sound);
}
/* XXX This must not be done in BKE code. */
if (do_clean_animdata) {
seq_free_animdata(scene, seq);
}
}
if (seq->prop) {
IDP_FreePropertyContent_ex(seq->prop, do_id_user);
MEM_freeN(seq->prop);
}
/* free modifiers */
SEQ_modifier_clear(seq);
/* free cached data used by this strip,
* also invalidate cache for all dependent sequences
*
* be _very_ careful here, invalidating cache loops over the scene sequences and
* assumes the listbase is valid for all strips,
* this may not be the case if lists are being freed.
* this is optional SEQ_relations_invalidate_cache
*/
if (do_cache) {
if (scene) {
SEQ_relations_invalidate_cache_raw(scene, seq);
}
}
MEM_freeN(seq);
}
void SEQ_sequence_free(Scene *scene, Sequence *seq, const bool do_clean_animdata)
{
seq_sequence_free_ex(scene, seq, true, true, do_clean_animdata);
}
/* cache must be freed before calling this function
* since it leaves the seqbase in an invalid state */
void seq_free_sequence_recurse(Scene *scene, Sequence *seq, const bool do_id_user)
{
Sequence *iseq, *iseq_next;
for (iseq = seq->seqbase.first; iseq; iseq = iseq_next) {
iseq_next = iseq->next;
seq_free_sequence_recurse(scene, iseq, do_id_user);
}
seq_sequence_free_ex(scene, seq, false, do_id_user, true);
}
Editing *SEQ_editing_get(Scene *scene, bool alloc)
{
if (alloc) {
SEQ_editing_ensure(scene);
}
return scene->ed;
}
Editing *SEQ_editing_ensure(Scene *scene)
{
if (scene->ed == NULL) {
Editing *ed;
ed = scene->ed = MEM_callocN(sizeof(Editing), "addseq");
ed->seqbasep = &ed->seqbase;
ed->cache = NULL;
ed->cache_flag = SEQ_CACHE_STORE_FINAL_OUT;
ed->cache_flag |= SEQ_CACHE_VIEW_FINAL_OUT;
ed->cache_flag |= SEQ_CACHE_VIEW_ENABLE;
ed->recycle_max_cost = 10.0f;
}
return scene->ed;
}
void SEQ_editing_free(Scene *scene, const bool do_id_user)
{
Editing *ed = scene->ed;
Sequence *seq;
if (ed == NULL) {
return;
}
seq_prefetch_free(scene);
seq_cache_destruct(scene);
SEQ_ALL_BEGIN (ed, seq) {
/* handle cache freeing above */
seq_sequence_free_ex(scene, seq, false, do_id_user, false);
}
SEQ_ALL_END;
BLI_freelistN(&ed->metastack);
MEM_freeN(ed);
scene->ed = NULL;
}
static void seq_new_fix_links_recursive(Sequence *seq)
{
SequenceModifierData *smd;
if (seq->type & SEQ_TYPE_EFFECT) {
if (seq->seq1 && seq->seq1->tmp) {
seq->seq1 = seq->seq1->tmp;
}
if (seq->seq2 && seq->seq2->tmp) {
seq->seq2 = seq->seq2->tmp;
}
if (seq->seq3 && seq->seq3->tmp) {
seq->seq3 = seq->seq3->tmp;
}
}
else if (seq->type == SEQ_TYPE_META) {
Sequence *seqn;
for (seqn = seq->seqbase.first; seqn; seqn = seqn->next) {
seq_new_fix_links_recursive(seqn);
}
}
for (smd = seq->modifiers.first; smd; smd = smd->next) {
if (smd->mask_sequence && smd->mask_sequence->tmp) {
smd->mask_sequence = smd->mask_sequence->tmp;
}
}
}
SequencerToolSettings *SEQ_tool_settings_init(void)
{
SequencerToolSettings *tool_settings = MEM_callocN(sizeof(SequencerToolSettings),
"Sequencer tool settings");
tool_settings->fit_method = SEQ_SCALE_TO_FIT;
return tool_settings;
}
void SEQ_tool_settings_free(SequencerToolSettings *tool_settings)
{
MEM_freeN(tool_settings);
}
eSeqImageFitMethod SEQ_tool_settings_fit_method_get(Scene *scene)
{
const SequencerToolSettings *tool_settings = scene->toolsettings->sequencer_tool_settings;
return tool_settings->fit_method;
}
void SEQ_tool_settings_fit_method_set(Scene *scene, eSeqImageFitMethod fit_method)
{
SequencerToolSettings *tool_settings = scene->toolsettings->sequencer_tool_settings;
tool_settings->fit_method = fit_method;
}
/**
* Get seqbase that is being viewed currently. This can be main seqbase or meta strip seqbase
*
* \param ed: sequence editor data
* \return pointer to active seqbase. returns NULL if ed is NULL
*/
ListBase *SEQ_active_seqbase_get(const Editing *ed)
{
if (ed == NULL) {
return NULL;
}
return ed->seqbasep;
}
/** \} */
/* -------------------------------------------------------------------- */
/** \name Duplicate Functions
* \{ */
static Sequence *seq_dupli(const Scene *scene_src,
Scene *scene_dst,
ListBase *new_seq_list,
Sequence *seq,
int dupe_flag,
const int flag)
{
Sequence *seqn = MEM_dupallocN(seq);
if ((flag & LIB_ID_CREATE_NO_MAIN) == 0) {
SEQ_relations_session_uuid_generate(seq);
}
seq->tmp = seqn;
seqn->strip = MEM_dupallocN(seq->strip);
seqn->stereo3d_format = MEM_dupallocN(seq->stereo3d_format);
/* XXX: add F-Curve duplication stuff? */
if (seq->strip->crop) {
seqn->strip->crop = MEM_dupallocN(seq->strip->crop);
}
if (seq->strip->transform) {
seqn->strip->transform = MEM_dupallocN(seq->strip->transform);
}
if (seq->strip->proxy) {
seqn->strip->proxy = MEM_dupallocN(seq->strip->proxy);
seqn->strip->proxy->anim = NULL;
}
if (seq->prop) {
seqn->prop = IDP_CopyProperty_ex(seq->prop, flag);
}
if (seqn->modifiers.first) {
BLI_listbase_clear(&seqn->modifiers);
SEQ_modifier_list_copy(seqn, seq);
}
if (seq->type == SEQ_TYPE_META) {
seqn->strip->stripdata = NULL;
BLI_listbase_clear(&seqn->seqbase);
/* WATCH OUT!!! - This metastrip is not recursively duplicated here - do this after!!! */
/* - seq_dupli_recursive(&seq->seqbase, &seqn->seqbase);*/
}
else if (seq->type == SEQ_TYPE_SCENE) {
seqn->strip->stripdata = NULL;
if (seq->scene_sound) {
seqn->scene_sound = BKE_sound_scene_add_scene_sound_defaults(scene_dst, seqn);
}
}
else if (seq->type == SEQ_TYPE_MOVIECLIP) {
/* avoid assert */
}
else if (seq->type == SEQ_TYPE_MASK) {
/* avoid assert */
}
else if (seq->type == SEQ_TYPE_MOVIE) {
seqn->strip->stripdata = MEM_dupallocN(seq->strip->stripdata);
BLI_listbase_clear(&seqn->anims);
}
else if (seq->type == SEQ_TYPE_SOUND_RAM) {
seqn->strip->stripdata = MEM_dupallocN(seq->strip->stripdata);
seqn->scene_sound = NULL;
if ((flag & LIB_ID_CREATE_NO_USER_REFCOUNT) == 0) {
id_us_plus((ID *)seqn->sound);
}
}
else if (seq->type == SEQ_TYPE_IMAGE) {
seqn->strip->stripdata = MEM_dupallocN(seq->strip->stripdata);
}
else if (seq->type & SEQ_TYPE_EFFECT) {
struct SeqEffectHandle sh;
sh = SEQ_effect_handle_get(seq);
if (sh.copy) {
sh.copy(seqn, seq, flag);
}
seqn->strip->stripdata = NULL;
}
else {
/* sequence type not handled in duplicate! Expect a crash now... */
BLI_assert(0);
}
/* When using SEQ_DUPE_UNIQUE_NAME, it is mandatory to add new sequences in relevant container
* (scene or meta's one), *before* checking for unique names. Otherwise the meta's list is empty
* and hence we miss all seqs in that meta that have already been duplicated (see T55668).
* Note that unique name check itself could be done at a later step in calling code, once all
* seqs have bee duplicated (that was first, simpler solution), but then handling of animation
* data will be broken (see T60194). */
if (new_seq_list != NULL) {
BLI_addtail(new_seq_list, seqn);
}
if (scene_src == scene_dst) {
if (dupe_flag & SEQ_DUPE_UNIQUE_NAME) {
SEQ_sequence_base_unique_name_recursive(&scene_dst->ed->seqbase, seqn);
}
if (dupe_flag & SEQ_DUPE_ANIM) {
SEQ_dupe_animdata(scene_dst, seq->name + 2, seqn->name + 2);
}
}
return seqn;
}
static Sequence *sequence_dupli_recursive_do(const Scene *scene_src,
Scene *scene_dst,
ListBase *new_seq_list,
Sequence *seq,
const int dupe_flag)
{
Sequence *seqn;
seq->tmp = NULL;
seqn = seq_dupli(scene_src, scene_dst, new_seq_list, seq, dupe_flag, 0);
if (seq->type == SEQ_TYPE_META) {
Sequence *s;
for (s = seq->seqbase.first; s; s = s->next) {
sequence_dupli_recursive_do(scene_src, scene_dst, &seqn->seqbase, s, dupe_flag);
}
}
return seqn;
}
Sequence *SEQ_sequence_dupli_recursive(
const Scene *scene_src, Scene *scene_dst, ListBase *new_seq_list, Sequence *seq, int dupe_flag)
{
Sequence *seqn = sequence_dupli_recursive_do(scene_src, scene_dst, new_seq_list, seq, dupe_flag);
/* This does not need to be in recursive call itself, since it is already recursive... */
seq_new_fix_links_recursive(seqn);
return seqn;
}
void SEQ_sequence_base_dupli_recursive(const Scene *scene_src,
Scene *scene_dst,
ListBase *nseqbase,
const ListBase *seqbase,
int dupe_flag,
const int flag)
{
Sequence *seq;
Sequence *seqn = NULL;
Sequence *last_seq = SEQ_select_active_get((Scene *)scene_src);
/* always include meta's strips */
int dupe_flag_recursive = dupe_flag | SEQ_DUPE_ALL | SEQ_DUPE_IS_RECURSIVE_CALL;
for (seq = seqbase->first; seq; seq = seq->next) {
seq->tmp = NULL;
if ((seq->flag & SELECT) || (dupe_flag & SEQ_DUPE_ALL)) {
seqn = seq_dupli(scene_src, scene_dst, nseqbase, seq, dupe_flag, flag);
if (seqn) { /*should never fail */
if (dupe_flag & SEQ_DUPE_CONTEXT) {
seq->flag &= ~SEQ_ALLSEL;
seqn->flag &= ~(SEQ_LEFTSEL + SEQ_RIGHTSEL + SEQ_LOCK);
}
if (seq->type == SEQ_TYPE_META) {
SEQ_sequence_base_dupli_recursive(
scene_src, scene_dst, &seqn->seqbase, &seq->seqbase, dupe_flag_recursive, flag);
}
if (dupe_flag & SEQ_DUPE_CONTEXT) {
if (seq == last_seq) {
SEQ_select_active_set(scene_dst, seqn);
}
}
}
}
}
/* Fix modifier links recursively from the top level only, when all sequences have been
* copied. */
if (dupe_flag & SEQ_DUPE_IS_RECURSIVE_CALL) {
return;
}
/* fix modifier linking */
for (seq = nseqbase->first; seq; seq = seq->next) {
seq_new_fix_links_recursive(seq);
}
}
/* r_prefix + [" + escaped_name + "] + \0 */
#define SEQ_RNAPATH_MAXSTR ((30 + 2 + (SEQ_NAME_MAXSTR * 2) + 2) + 1)
static size_t sequencer_rna_path_prefix(char str[SEQ_RNAPATH_MAXSTR], const char *name)
{
char name_esc[SEQ_NAME_MAXSTR * 2];
BLI_str_escape(name_esc, name, sizeof(name_esc));
return BLI_snprintf_rlen(
str, SEQ_RNAPATH_MAXSTR, "sequence_editor.sequences_all[\"%s\"]", name_esc);
}
/* XXX - hackish function needed for transforming strips! TODO - have some better solution */
void SEQ_offset_animdata(Scene *scene, Sequence *seq, int ofs)
{
char str[SEQ_RNAPATH_MAXSTR];
size_t str_len;
FCurve *fcu;
if (scene->adt == NULL || ofs == 0 || scene->adt->action == NULL) {
return;
}
str_len = sequencer_rna_path_prefix(str, seq->name + 2);
for (fcu = scene->adt->action->curves.first; fcu; fcu = fcu->next) {
if (STREQLEN(fcu->rna_path, str, str_len)) {
unsigned int i;
if (fcu->bezt) {
for (i = 0; i < fcu->totvert; i++) {
BezTriple *bezt = &fcu->bezt[i];
bezt->vec[0][0] += ofs;
bezt->vec[1][0] += ofs;
bezt->vec[2][0] += ofs;
}
}
if (fcu->fpt) {
for (i = 0; i < fcu->totvert; i++) {
FPoint *fpt = &fcu->fpt[i];
fpt->vec[0] += ofs;
}
}
}
}
DEG_id_tag_update(&scene->adt->action->id, ID_RECALC_ANIMATION);
}
void SEQ_dupe_animdata(Scene *scene, const char *name_src, const char *name_dst)
{
char str_from[SEQ_RNAPATH_MAXSTR];
size_t str_from_len;
FCurve *fcu;
FCurve *fcu_last;
FCurve *fcu_cpy;
ListBase lb = {NULL, NULL};
if (scene->adt == NULL || scene->adt->action == NULL) {
return;
}
str_from_len = sequencer_rna_path_prefix(str_from, name_src);
fcu_last = scene->adt->action->curves.last;
for (fcu = scene->adt->action->curves.first; fcu && fcu->prev != fcu_last; fcu = fcu->next) {
if (STREQLEN(fcu->rna_path, str_from, str_from_len)) {
fcu_cpy = BKE_fcurve_copy(fcu);
BLI_addtail(&lb, fcu_cpy);
}
}
/* notice validate is 0, keep this because the seq may not be added to the scene yet */
BKE_animdata_fix_paths_rename(
&scene->id, scene->adt, NULL, "sequence_editor.sequences_all", name_src, name_dst, 0, 0, 0);
/* add the original fcurves back */
BLI_movelisttolist(&scene->adt->action->curves, &lb);
}
/* XXX - hackish function needed to remove all fcurves belonging to a sequencer strip */
static void seq_free_animdata(Scene *scene, Sequence *seq)
{
char str[SEQ_RNAPATH_MAXSTR];
size_t str_len;
FCurve *fcu;
if (scene->adt == NULL || scene->adt->action == NULL) {
return;
}
str_len = sequencer_rna_path_prefix(str, seq->name + 2);
fcu = scene->adt->action->curves.first;
while (fcu) {
if (STREQLEN(fcu->rna_path, str, str_len)) {
FCurve *next_fcu = fcu->next;
BLI_remlink(&scene->adt->action->curves, fcu);
BKE_fcurve_free(fcu);
fcu = next_fcu;
}
else {
fcu = fcu->next;
}
}
}
#undef SEQ_RNAPATH_MAXSTR
SequencerToolSettings *SEQ_tool_settings_copy(SequencerToolSettings *tool_settings)
{
SequencerToolSettings *tool_settings_copy = MEM_dupallocN(tool_settings);
return tool_settings_copy;
}
/** \} */
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