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blender-archive/source/blender/sequencer/intern/image_cache.h

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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) 2004 Blender Foundation.
* All rights reserved.
*/
#pragma once
/** \file
* \ingroup sequencer
*/
#ifdef __cplusplus
extern "C" {
#endif
#include "SEQ_render.h" /* Needed for #eSeqTaskId. */
struct ImBuf;
struct Main;
struct Scene;
struct SeqRenderData;
struct Sequence;
typedef struct SeqCacheKey {
struct SeqCache *cache_owner;
void *userkey;
struct SeqCacheKey *link_prev; /* Used for linking intermediate items to final frame. */
struct SeqCacheKey *link_next; /* Used for linking intermediate items to final frame. */
struct Sequence *seq;
struct SeqRenderData context;
float frame_index; /* Usually same as timeline_frame. Mapped to media for RAW entries. */
float timeline_frame; /* Only for reference - used for freeing when cache is full. */
float cost; /* In short: render time(s) divided by playback frame duration(s) */
bool is_temp_cache; /* this cache entry will be freed before rendering next frame */
/* ID of task for assigning temp cache entries to particular task(thread, etc.) */
eSeqTaskId task_id;
int type;
} SeqCacheKey;
struct ImBuf *seq_cache_get(const struct SeqRenderData *context,
struct Sequence *seq,
float timeline_frame,
int type);
void seq_cache_put(const struct SeqRenderData *context,
struct Sequence *seq,
float timeline_frame,
int type,
struct ImBuf *i);
void seq_cache_thumbnail_put(const struct SeqRenderData *context,
struct Sequence *seq,
float timeline_frame,
struct ImBuf *i,
rctf *view_area);
bool seq_cache_put_if_possible(const struct SeqRenderData *context,
struct Sequence *seq,
float timeline_frame,
int type,
struct ImBuf *nval);
/**
* Find only "base" keys.
* Sources(other types) for a frame must be freed all at once.
*/
bool seq_cache_recycle_item(struct Scene *scene);
void seq_cache_free_temp_cache(struct Scene *scene, short id, int timeline_frame);
void seq_cache_destruct(struct Scene *scene);
void seq_cache_cleanup_all(struct Main *bmain);
void seq_cache_cleanup_sequence(struct Scene *scene,
struct Sequence *seq,
struct Sequence *seq_changed,
int invalidate_types,
bool force_seq_changed_range);
void seq_cache_thumbnail_cleanup(Scene *scene, rctf *view_area);
bool seq_cache_is_full(void);
float seq_cache_frame_index_to_timeline_frame(struct Sequence *seq, float frame_index);
#ifdef __cplusplus
}
#endif