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/* SPDX-License-Identifier: GPL-2.0-or-later
* Copyright 2001-2002 NaN Holding BV. All rights reserved.
* 2003-2009 Blender Foundation.
* 2005-2006 Peter Schlaile <peter [at] schlaile [dot] de> */
/** \file
* \ingroup bke
*/
#include "MEM_guardedalloc.h"
#include "DNA_anim_types.h"
#include "DNA_scene_types.h"
#include "DNA_sequence_types.h"
#include "DNA_space_types.h"
#include "BLI_fileops.h"
#include "BLI_listbase.h"
#include "BLI_path_util.h"
#include "BLI_session_uuid.h"
#include "BLI_string.h"
#ifdef WIN32
# include "BLI_winstuff.h"
#else
# include <unistd.h>
#endif
#include "BKE_global.h"
#include "BKE_image.h"
#include "BKE_main.h"
#include "BKE_scene.h"
#include "DEG_depsgraph.h"
#include "IMB_colormanagement.h"
#include "IMB_imbuf.h"
#include "IMB_imbuf_types.h"
#include "IMB_metadata.h"
#include "SEQ_iterator.h"
#include "SEQ_proxy.h"
#include "SEQ_relations.h"
#include "SEQ_render.h"
#include "SEQ_sequencer.h"
#include "SEQ_time.h"
#include "multiview.h"
#include "proxy.h"
#include "render.h"
#include "sequencer.h"
#include "strip_time.h"
#include "utils.h"
typedef struct SeqIndexBuildContext {
struct IndexBuildContext *index_context;
int tc_flags;
int size_flags;
int quality;
bool overwrite;
int view_id;
Main *bmain;
Depsgraph *depsgraph;
Scene *scene;
Sequence *seq, *orig_seq;
SessionUUID orig_seq_uuid;
} SeqIndexBuildContext;
int SEQ_rendersize_to_proxysize(int render_size)
{
switch (render_size) {
case SEQ_RENDER_SIZE_PROXY_25:
return IMB_PROXY_25;
case SEQ_RENDER_SIZE_PROXY_50:
return IMB_PROXY_50;
case SEQ_RENDER_SIZE_PROXY_75:
return IMB_PROXY_75;
case SEQ_RENDER_SIZE_PROXY_100:
return IMB_PROXY_100;
}
return IMB_PROXY_NONE;
}
double SEQ_rendersize_to_scale_factor(int render_size)
{
switch (render_size) {
case SEQ_RENDER_SIZE_PROXY_25:
return 0.25;
case SEQ_RENDER_SIZE_PROXY_50:
return 0.50;
case SEQ_RENDER_SIZE_PROXY_75:
return 0.75;
}
return 1.0;
}
bool seq_proxy_get_custom_file_fname(Sequence *seq, char *name, const int view_id)
{
char fname[FILE_MAXFILE];
char suffix[24];
StripProxy *proxy = seq->strip->proxy;
if (proxy == NULL) {
return false;
}
BLI_join_dirfile(fname, PROXY_MAXFILE, proxy->dir, proxy->file);
BLI_path_abs(fname, BKE_main_blendfile_path_from_global());
if (view_id > 0) {
BLI_snprintf(suffix, sizeof(suffix), "_%d", view_id);
/* TODO(sergey): This will actually append suffix after extension
* which is weird but how was originally coded in multi-view branch.
*/
BLI_snprintf(name, PROXY_MAXFILE, "%s_%s", fname, suffix);
}
else {
BLI_strncpy(name, fname, PROXY_MAXFILE);
}
return true;
}
static bool seq_proxy_get_fname(Scene *scene,
Sequence *seq,
int timeline_frame,
eSpaceSeq_Proxy_RenderSize render_size,
char *name,
const int view_id)
{
char dir[PROXY_MAXFILE];
char suffix[24] = {'\0'};
Editing *ed = SEQ_editing_get(scene);
StripProxy *proxy = seq->strip->proxy;
if (proxy == NULL) {
return false;
}
/* Multi-view suffix. */
if (view_id > 0) {
BLI_snprintf(suffix, sizeof(suffix), "_%d", view_id);
}
/* Per strip with Custom file situation is handled separately. */
if (proxy->storage & SEQ_STORAGE_PROXY_CUSTOM_FILE &&
ed->proxy_storage != SEQ_EDIT_PROXY_DIR_STORAGE) {
if (seq_proxy_get_custom_file_fname(seq, name, view_id)) {
return true;
}
}
if (ed->proxy_storage == SEQ_EDIT_PROXY_DIR_STORAGE) {
/* Per project default. */
if (ed->proxy_dir[0] == 0) {
BLI_strncpy(dir, "//BL_proxy", sizeof(dir));
}
else { /* Per project with custom dir. */
BLI_strncpy(dir, ed->proxy_dir, sizeof(dir));
}
BLI_path_abs(name, BKE_main_blendfile_path_from_global());
}
else {
/* Pre strip with custom dir. */
if (proxy->storage & SEQ_STORAGE_PROXY_CUSTOM_DIR) {
BLI_strncpy(dir, seq->strip->proxy->dir, sizeof(dir));
}
else { /* Per strip default. */
BLI_snprintf(dir, PROXY_MAXFILE, "%s/BL_proxy", seq->strip->dir);
}
}
/* Proxy size number to be used in path. */
int proxy_size_number = SEQ_rendersize_to_scale_factor(render_size) * 100;
BLI_snprintf(name,
PROXY_MAXFILE,
"%s/images/%d/%s_proxy%s",
dir,
proxy_size_number,
SEQ_render_give_stripelem(scene, seq, timeline_frame)->name,
suffix);
BLI_path_abs(name, BKE_main_blendfile_path_from_global());
strcat(name, ".jpg");
return true;
}
bool SEQ_can_use_proxy(const struct SeqRenderData *context, Sequence *seq, int psize)
{
if (seq->strip->proxy == NULL || !context->use_proxies) {
return false;
}
short size_flags = seq->strip->proxy->build_size_flags;
return (seq->flag & SEQ_USE_PROXY) != 0 && psize != IMB_PROXY_NONE && (size_flags & psize) != 0;
}
ImBuf *seq_proxy_fetch(const SeqRenderData *context, Sequence *seq, int timeline_frame)
{
char name[PROXY_MAXFILE];
StripProxy *proxy = seq->strip->proxy;
const eSpaceSeq_Proxy_RenderSize psize = context->preview_render_size;
StripAnim *sanim;
/* only use proxies, if they are enabled (even if present!) */
if (!SEQ_can_use_proxy(context, seq, SEQ_rendersize_to_proxysize(psize))) {
return NULL;
}
if (proxy->storage & SEQ_STORAGE_PROXY_CUSTOM_FILE) {
int frameno = (int)seq_give_frame_index(context->scene, seq, timeline_frame) +
seq->anim_startofs;
if (proxy->anim == NULL) {
if (seq_proxy_get_fname(
context->scene, seq, timeline_frame, psize, name, context->view_id) == 0) {
return NULL;
}
proxy->anim = openanim(name, IB_rect, 0, seq->strip->colorspace_settings.name);
}
if (proxy->anim == NULL) {
return NULL;
}
seq_open_anim_file(context->scene, seq, true);
sanim = seq->anims.first;
frameno = IMB_anim_index_get_frame_index(
sanim ? sanim->anim : NULL, seq->strip->proxy->tc, frameno);
return IMB_anim_absolute(proxy->anim, frameno, IMB_TC_NONE, IMB_PROXY_NONE);
}
if (seq_proxy_get_fname(context->scene, seq, timeline_frame, psize, name, context->view_id) ==
0) {
return NULL;
}
if (BLI_exists(name)) {
ImBuf *ibuf = IMB_loadiffname(name, IB_rect, NULL);
if (ibuf) {
seq_imbuf_assign_spaces(context->scene, ibuf);
}
return ibuf;
}
return NULL;
}
static void seq_proxy_build_frame(const SeqRenderData *context,
SeqRenderState *state,
Sequence *seq,
int timeline_frame,
int proxy_render_size,
const bool overwrite)
{
char name[PROXY_MAXFILE];
int quality;
int rectx, recty;
ImBuf *ibuf_tmp, *ibuf;
Scene *scene = context->scene;
if (!seq_proxy_get_fname(
scene, seq, timeline_frame, proxy_render_size, name, context->view_id)) {
return;
}
if (!overwrite && BLI_exists(name)) {
return;
}
ibuf_tmp = seq_render_strip(context, state, seq, timeline_frame);
rectx = (proxy_render_size * ibuf_tmp->x) / 100;
recty = (proxy_render_size * ibuf_tmp->y) / 100;
if (ibuf_tmp->x != rectx || ibuf_tmp->y != recty) {
ibuf = IMB_dupImBuf(ibuf_tmp);
IMB_metadata_copy(ibuf, ibuf_tmp);
IMB_freeImBuf(ibuf_tmp);
IMB_scalefastImBuf(ibuf, (short)rectx, (short)recty);
}
else {
ibuf = ibuf_tmp;
}
/* depth = 32 is intentionally left in, otherwise ALPHA channels
* won't work... */
quality = seq->strip->proxy->quality;
ibuf->ftype = IMB_FTYPE_JPG;
ibuf->foptions.quality = quality;
/* unsupported feature only confuses other s/w */
if (ibuf->planes == 32) {
ibuf->planes = 24;
}
BLI_make_existing_file(name);
const bool ok = IMB_saveiff(ibuf, name, IB_rect | IB_zbuf | IB_zbuffloat);
if (ok == false) {
perror(name);
}
IMB_freeImBuf(ibuf);
}
/**
* Returns whether the file this context would read from even exist,
* if not, don't create the context
*/
static bool seq_proxy_multiview_context_invalid(Sequence *seq, Scene *scene, const int view_id)
{
if ((scene->r.scemode & R_MULTIVIEW) == 0) {
return false;
}
if ((seq->type == SEQ_TYPE_IMAGE) && (seq->views_format == R_IMF_VIEWS_INDIVIDUAL)) {
static char prefix[FILE_MAX];
static const char *ext = NULL;
char str[FILE_MAX];
if (view_id == 0) {
char path[FILE_MAX];
BLI_join_dirfile(path, sizeof(path), seq->strip->dir, seq->strip->stripdata->name);
BLI_path_abs(path, BKE_main_blendfile_path_from_global());
BKE_scene_multiview_view_prefix_get(scene, path, prefix, &ext);
}
else {
prefix[0] = '\0';
}
if (prefix[0] == '\0') {
return view_id != 0;
}
seq_multiview_name(scene, view_id, prefix, ext, str, FILE_MAX);
if (BLI_access(str, R_OK) == 0) {
return false;
}
return view_id != 0;
}
return false;
}
/**
* This returns the maximum possible number of required contexts
*/
static int seq_proxy_context_count(Sequence *seq, Scene *scene)
{
int num_views = 1;
if ((scene->r.scemode & R_MULTIVIEW) == 0) {
return 1;
}
switch (seq->type) {
case SEQ_TYPE_MOVIE: {
num_views = BLI_listbase_count(&seq->anims);
break;
}
case SEQ_TYPE_IMAGE: {
switch (seq->views_format) {
case R_IMF_VIEWS_INDIVIDUAL:
num_views = BKE_scene_multiview_num_views_get(&scene->r);
break;
case R_IMF_VIEWS_STEREO_3D:
num_views = 2;
break;
case R_IMF_VIEWS_MULTIVIEW:
/* not supported at the moment */
/* pass through */
default:
num_views = 1;
}
break;
}
}
return num_views;
}
static bool seq_proxy_need_rebuild(Sequence *seq, struct anim *anim)
{
if ((seq->strip->proxy->build_flags & SEQ_PROXY_SKIP_EXISTING) == 0) {
return true;
}
IMB_Proxy_Size required_proxies = seq->strip->proxy->build_size_flags;
IMB_Proxy_Size built_proxies = IMB_anim_proxy_get_existing(anim);
return (required_proxies & built_proxies) != required_proxies;
}
bool SEQ_proxy_rebuild_context(Main *bmain,
Depsgraph *depsgraph,
Scene *scene,
Sequence *seq,
struct GSet *file_list,
ListBase *queue,
bool build_only_on_bad_performance)
{
SeqIndexBuildContext *context;
Sequence *nseq;
LinkData *link;
int num_files;
int i;
if (!seq->strip || !seq->strip->proxy) {
return true;
}
if (!(seq->flag & SEQ_USE_PROXY)) {
return true;
}
num_files = seq_proxy_context_count(seq, scene);
for (i = 0; i < num_files; i++) {
if (seq_proxy_multiview_context_invalid(seq, scene, i)) {
continue;
}
/* Check if proxies are already built here, because actually opening anims takes a lot of
* time. */
seq_open_anim_file(scene, seq, false);
StripAnim *sanim = BLI_findlink(&seq->anims, i);
if (sanim->anim && !seq_proxy_need_rebuild(seq, sanim->anim)) {
continue;
}
SEQ_relations_sequence_free_anim(seq);
context = MEM_callocN(sizeof(SeqIndexBuildContext), "seq proxy rebuild context");
nseq = SEQ_sequence_dupli_recursive(scene, scene, NULL, seq, 0);
context->tc_flags = nseq->strip->proxy->build_tc_flags;
context->size_flags = nseq->strip->proxy->build_size_flags;
context->quality = nseq->strip->proxy->quality;
context->overwrite = (nseq->strip->proxy->build_flags & SEQ_PROXY_SKIP_EXISTING) == 0;
context->bmain = bmain;
context->depsgraph = depsgraph;
context->scene = scene;
context->orig_seq = seq;
context->orig_seq_uuid = seq->runtime.session_uuid;
context->seq = nseq;
context->view_id = i; /* only for images */
if (nseq->type == SEQ_TYPE_MOVIE) {
seq_open_anim_file(scene, nseq, true);
sanim = BLI_findlink(&nseq->anims, i);
if (sanim->anim) {
context->index_context = IMB_anim_index_rebuild_context(sanim->anim,
context->tc_flags,
context->size_flags,
context->quality,
context->overwrite,
file_list,
build_only_on_bad_performance);
}
if (!context->index_context) {
MEM_freeN(context);
return false;
}
}
link = BLI_genericNodeN(context);
BLI_addtail(queue, link);
}
return true;
}
void SEQ_proxy_rebuild(SeqIndexBuildContext *context,
short *stop,
short *do_update,
float *progress)
{
const bool overwrite = context->overwrite;
SeqRenderData render_context;
Sequence *seq = context->seq;
Scene *scene = context->scene;
Main *bmain = context->bmain;
int timeline_frame;
if (seq->type == SEQ_TYPE_MOVIE) {
if (context->index_context) {
IMB_anim_index_rebuild(context->index_context, stop, do_update, progress);
}
return;
}
if (!(seq->flag & SEQ_USE_PROXY)) {
return;
}
/* that's why it is called custom... */
if (seq->strip->proxy && seq->strip->proxy->storage & SEQ_STORAGE_PROXY_CUSTOM_FILE) {
return;
}
/* fail safe code */
SEQ_render_new_render_data(bmain,
context->depsgraph,
context->scene,
roundf((scene->r.size * (float)scene->r.xsch) / 100.0f),
roundf((scene->r.size * (float)scene->r.ysch) / 100.0f),
100,
false,
&render_context);
render_context.skip_cache = true;
render_context.is_proxy_render = true;
render_context.view_id = context->view_id;
SeqRenderState state;
seq_render_state_init(&state);
for (timeline_frame = SEQ_time_left_handle_frame_get(scene, seq);
timeline_frame < SEQ_time_right_handle_frame_get(scene, seq);
timeline_frame++) {
if (context->size_flags & IMB_PROXY_25) {
seq_proxy_build_frame(&render_context, &state, seq, timeline_frame, 25, overwrite);
}
if (context->size_flags & IMB_PROXY_50) {
seq_proxy_build_frame(&render_context, &state, seq, timeline_frame, 50, overwrite);
}
if (context->size_flags & IMB_PROXY_75) {
seq_proxy_build_frame(&render_context, &state, seq, timeline_frame, 75, overwrite);
}
if (context->size_flags & IMB_PROXY_100) {
seq_proxy_build_frame(&render_context, &state, seq, timeline_frame, 100, overwrite);
}
*progress = (float)(timeline_frame - SEQ_time_left_handle_frame_get(scene, seq)) /
(SEQ_time_right_handle_frame_get(scene, seq) -
SEQ_time_left_handle_frame_get(scene, seq));
*do_update = true;
if (*stop || G.is_break) {
break;
}
}
}
void SEQ_proxy_rebuild_finish(SeqIndexBuildContext *context, bool stop)
{
if (context->index_context) {
StripAnim *sanim;
for (sanim = context->seq->anims.first; sanim; sanim = sanim->next) {
IMB_close_anim_proxies(sanim->anim);
}
IMB_anim_index_rebuild_finish(context->index_context, stop);
}
seq_free_sequence_recurse(NULL, context->seq, true);
MEM_freeN(context);
}
void SEQ_proxy_set(struct Sequence *seq, bool value)
{
if (value) {
seq->flag |= SEQ_USE_PROXY;
if (seq->strip->proxy == NULL) {
seq->strip->proxy = seq_strip_proxy_alloc();
}
}
else {
seq->flag &= ~SEQ_USE_PROXY;
}
}
void seq_proxy_index_dir_set(struct anim *anim, const char *base_dir)
{
char dir[FILE_MAX];
char fname[FILE_MAXFILE];
IMB_anim_get_fname(anim, fname, FILE_MAXFILE);
BLI_strncpy(dir, base_dir, sizeof(dir));
BLI_path_append(dir, sizeof(dir), fname);
IMB_anim_set_index_dir(anim, dir);
}
void free_proxy_seq(Sequence *seq)
{
if (seq->strip && seq->strip->proxy && seq->strip->proxy->anim) {
IMB_free_anim(seq->strip->proxy->anim);
seq->strip->proxy->anim = NULL;
}
}
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