75 lines
2.9 KiB
C
75 lines
2.9 KiB
C
/* SPDX-FileCopyrightText: 2011 Blender Authors
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*
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* SPDX-License-Identifier: GPL-2.0-or-later */
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#pragma once
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/** \file
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* \ingroup imbuf
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*/
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#include "BLI_ghash.h"
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#include "BLI_utildefines.h"
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/* Cache system for movie data - now supports storing ImBufs only
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* Supposed to provide unified cache system for movie clips, sequencer and
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* other movie-related areas */
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#ifdef __cplusplus
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extern "C" {
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#endif
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struct ImBuf;
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struct MovieCache;
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typedef void (*MovieCacheGetKeyDataFP)(void *userkey, int *framenr, int *proxy, int *render_flags);
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typedef void *(*MovieCacheGetPriorityDataFP)(void *userkey);
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typedef int (*MovieCacheGetItemPriorityFP)(void *last_userkey, void *priority_data);
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typedef void (*MovieCachePriorityDeleterFP)(void *priority_data);
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void IMB_moviecache_init(void);
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void IMB_moviecache_destruct(void);
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struct MovieCache *IMB_moviecache_create(const char *name,
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int keysize,
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GHashHashFP hashfp,
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GHashCmpFP cmpfp);
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void IMB_moviecache_set_getdata_callback(struct MovieCache *cache,
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MovieCacheGetKeyDataFP getdatafp);
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void IMB_moviecache_set_priority_callback(struct MovieCache *cache,
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MovieCacheGetPriorityDataFP getprioritydatafp,
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MovieCacheGetItemPriorityFP getitempriorityfp,
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MovieCachePriorityDeleterFP prioritydeleterfp);
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void IMB_moviecache_put(struct MovieCache *cache, void *userkey, struct ImBuf *ibuf);
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bool IMB_moviecache_put_if_possible(struct MovieCache *cache, void *userkey, struct ImBuf *ibuf);
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struct ImBuf *IMB_moviecache_get(struct MovieCache *cache, void *userkey, bool *r_is_cached_empty);
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void IMB_moviecache_remove(struct MovieCache *cache, void *userkey);
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bool IMB_moviecache_has_frame(struct MovieCache *cache, void *userkey);
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void IMB_moviecache_free(struct MovieCache *cache);
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void IMB_moviecache_cleanup(struct MovieCache *cache,
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bool(cleanup_check_cb)(struct ImBuf *ibuf,
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void *userkey,
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void *userdata),
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void *userdata);
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/**
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* Get segments of cached frames. Useful for debugging cache policies.
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*/
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void IMB_moviecache_get_cache_segments(
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struct MovieCache *cache, int proxy, int render_flags, int *r_totseg, int **r_points);
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struct MovieCacheIter;
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struct MovieCacheIter *IMB_moviecacheIter_new(struct MovieCache *cache);
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void IMB_moviecacheIter_free(struct MovieCacheIter *iter);
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bool IMB_moviecacheIter_done(struct MovieCacheIter *iter);
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void IMB_moviecacheIter_step(struct MovieCacheIter *iter);
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struct ImBuf *IMB_moviecacheIter_getImBuf(struct MovieCacheIter *iter);
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void *IMB_moviecacheIter_getUserKey(struct MovieCacheIter *iter);
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#ifdef __cplusplus
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}
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#endif
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