148 lines
3.1 KiB
C
148 lines
3.1 KiB
C
/*
|
|
* ***** BEGIN GPL LICENSE BLOCK *****
|
|
*
|
|
* 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.
|
|
*
|
|
* Peter Schlaile <peter [at] schlaile [dot] de> 2010
|
|
*
|
|
* Contributor(s): Sergey Sharybin
|
|
*
|
|
* ***** END GPL LICENSE BLOCK *****
|
|
*/
|
|
|
|
/** \file blender/blenkernel/intern/seqcache.c
|
|
* \ingroup bke
|
|
*/
|
|
|
|
|
|
#include <stddef.h>
|
|
|
|
#include "BLO_sys_types.h" /* for intptr_t */
|
|
|
|
#include "MEM_guardedalloc.h"
|
|
|
|
#include "DNA_sequence_types.h"
|
|
#include "BKE_sequencer.h"
|
|
|
|
#include "IMB_moviecache.h"
|
|
|
|
typedef struct seqCacheKey
|
|
{
|
|
struct Sequence * seq;
|
|
SeqRenderData context;
|
|
float cfra;
|
|
seq_stripelem_ibuf_t type;
|
|
} seqCacheKey;
|
|
|
|
static struct MovieCache *moviecache = NULL;
|
|
|
|
static unsigned int seqcache_hashhash(const void *key_)
|
|
{
|
|
const seqCacheKey *key = (seqCacheKey*) key_;
|
|
unsigned int rval = seq_hash_render_data(&key->context);
|
|
|
|
rval ^= *(unsigned int*) &key->cfra;
|
|
rval += key->type;
|
|
rval ^= ((intptr_t) key->seq) << 6;
|
|
|
|
return rval;
|
|
}
|
|
|
|
static int seqcache_hashcmp(const void *a_, const void *b_)
|
|
{
|
|
const seqCacheKey * a = (seqCacheKey*) a_;
|
|
const seqCacheKey * b = (seqCacheKey*) b_;
|
|
|
|
if (a->seq < b->seq) {
|
|
return -1;
|
|
}
|
|
if (a->seq > b->seq) {
|
|
return 1;
|
|
}
|
|
|
|
if (a->cfra < b->cfra) {
|
|
return -1;
|
|
}
|
|
if (a->cfra > b->cfra) {
|
|
return 1;
|
|
}
|
|
|
|
if (a->type < b->type) {
|
|
return -1;
|
|
}
|
|
if (a->type > b->type) {
|
|
return 1;
|
|
}
|
|
|
|
return seq_cmp_render_data(&a->context, &b->context);
|
|
}
|
|
|
|
void seq_stripelem_cache_destruct(void)
|
|
{
|
|
if(moviecache)
|
|
IMB_moviecache_free(moviecache);
|
|
}
|
|
|
|
void seq_stripelem_cache_cleanup(void)
|
|
{
|
|
if(moviecache) {
|
|
IMB_moviecache_free(moviecache);
|
|
moviecache = IMB_moviecache_create(sizeof(seqCacheKey), seqcache_hashhash,
|
|
seqcache_hashcmp, NULL);
|
|
}
|
|
}
|
|
|
|
struct ImBuf * seq_stripelem_cache_get(
|
|
SeqRenderData context, struct Sequence * seq,
|
|
float cfra, seq_stripelem_ibuf_t type)
|
|
{
|
|
|
|
if(moviecache && seq) {
|
|
seqCacheKey key;
|
|
|
|
key.seq = seq;
|
|
key.context = context;
|
|
key.cfra = cfra - seq->start;
|
|
key.type = type;
|
|
|
|
return IMB_moviecache_get(moviecache, &key);
|
|
}
|
|
|
|
return NULL;
|
|
}
|
|
|
|
void seq_stripelem_cache_put(
|
|
SeqRenderData context, struct Sequence * seq,
|
|
float cfra, seq_stripelem_ibuf_t type, struct ImBuf * i)
|
|
{
|
|
seqCacheKey key;
|
|
|
|
if (!i) {
|
|
return;
|
|
}
|
|
|
|
if(!moviecache) {
|
|
moviecache = IMB_moviecache_create(sizeof(seqCacheKey), seqcache_hashhash,
|
|
seqcache_hashcmp, NULL);
|
|
}
|
|
|
|
key.seq = seq;
|
|
key.context = context;
|
|
key.cfra = cfra - seq->start;
|
|
key.type = type;
|
|
|
|
IMB_moviecache_put(moviecache, &key, i);
|
|
}
|