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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) 2011 Blender Foundation.
* All rights reserved.
*/
#ifndef __IMB_MOVIECACHE_H__
#define __IMB_MOVIECACHE_H__
/** \file
* \ingroup imbuf
*/
#include "BLI_ghash.h"
#include "BLI_utildefines.h"
/* Cache system for movie data - now supports storing ImBufs only
* Supposed to provide unified cache system for movie clips, sequencer and
* other movie-related areas */
#ifdef __cplusplus
extern "C" {
#endif
struct ImBuf;
struct MovieCache;
typedef void (*MovieCacheGetKeyDataFP)(void *userkey, int *framenr, int *proxy, int *render_flags);
typedef void *(*MovieCacheGetPriorityDataFP)(void *userkey);
typedef int (*MovieCacheGetItemPriorityFP)(void *last_userkey, void *priority_data);
typedef void (*MovieCachePriorityDeleterFP)(void *priority_data);
void IMB_moviecache_init(void);
void IMB_moviecache_destruct(void);
struct MovieCache *IMB_moviecache_create(const char *name,
int keysize,
GHashHashFP hashfp,
GHashCmpFP cmpfp);
void IMB_moviecache_set_getdata_callback(struct MovieCache *cache,
MovieCacheGetKeyDataFP getdatafp);
void IMB_moviecache_set_priority_callback(struct MovieCache *cache,
MovieCacheGetPriorityDataFP getprioritydatafp,
MovieCacheGetItemPriorityFP getitempriorityfp,
MovieCachePriorityDeleterFP prioritydeleterfp);
void IMB_moviecache_put(struct MovieCache *cache, void *userkey, struct ImBuf *ibuf);
bool IMB_moviecache_put_if_possible(struct MovieCache *cache, void *userkey, struct ImBuf *ibuf);
struct ImBuf *IMB_moviecache_get(struct MovieCache *cache, void *userkey);
void IMB_moviecache_remove(struct MovieCache *cache, void *userkey);
bool IMB_moviecache_has_frame(struct MovieCache *cache, void *userkey);
void IMB_moviecache_free(struct MovieCache *cache);
void IMB_moviecache_cleanup(struct MovieCache *cache,
bool(cleanup_check_cb)(struct ImBuf *ibuf,
void *userkey,
void *userdata),
void *userdata);
void IMB_moviecache_get_cache_segments(
struct MovieCache *cache, int proxy, int render_flags, int *r_totseg, int **r_points);
struct MovieCacheIter;
struct MovieCacheIter *IMB_moviecacheIter_new(struct MovieCache *cache);
void IMB_moviecacheIter_free(struct MovieCacheIter *iter);
bool IMB_moviecacheIter_done(struct MovieCacheIter *iter);
void IMB_moviecacheIter_step(struct MovieCacheIter *iter);
struct ImBuf *IMB_moviecacheIter_getImBuf(struct MovieCacheIter *iter);
void *IMB_moviecacheIter_getUserKey(struct MovieCacheIter *iter);
#ifdef __cplusplus
}
#endif
#endif
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