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authorUoti Urpala <uau@glyph.nonexistent.invalid>2009-07-25 07:24:39 +0300
committerUoti Urpala <uau@glyph.nonexistent.invalid>2009-07-26 20:22:43 +0300
commit546c3fb53ce64fde5cba3e06012d244e73ae497a (patch)
tree8708989ac0b06edc091a71d73508ffc465fd669e /libass/ass_cache.c
parent6fbcf16cfb0c6482bef87a0e8ac2162bca4cdbfd (diff)
downloadmpv-546c3fb53ce64fde5cba3e06012d244e73ae497a.tar.bz2
mpv-546c3fb53ce64fde5cba3e06012d244e73ae497a.tar.xz
Remove internal libass tree
Remove the libass/ directory and use the newest standalone version of the library instead.
Diffstat (limited to 'libass/ass_cache.c')
-rw-r--r--libass/ass_cache.c385
1 files changed, 0 insertions, 385 deletions
diff --git a/libass/ass_cache.c b/libass/ass_cache.c
deleted file mode 100644
index 2150d27ec2..0000000000
--- a/libass/ass_cache.c
+++ /dev/null
@@ -1,385 +0,0 @@
-// -*- c-basic-offset: 8; indent-tabs-mode: t -*-
-// vim:ts=8:sw=8:noet:ai:
-/*
- * Copyright (C) 2006 Evgeniy Stepanov <eugeni.stepanov@gmail.com>
- *
- * This file is part of libass.
- *
- * libass 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.
- *
- * libass 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 libass; if not, write to the Free Software Foundation, Inc.,
- * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
- */
-
-#include "config.h"
-
-#include <inttypes.h>
-#include <ft2build.h>
-#include FT_FREETYPE_H
-#include FT_GLYPH_H
-
-#include <assert.h>
-
-#include "mputils.h"
-#include "ass.h"
-#include "ass_fontconfig.h"
-#include "ass_font.h"
-#include "ass_bitmap.h"
-#include "ass_cache.h"
-
-
-typedef struct hashmap_item_s {
- void* key;
- void* value;
- struct hashmap_item_s* next;
-} hashmap_item_t;
-typedef hashmap_item_t* hashmap_item_p;
-
-struct hashmap_s {
- int nbuckets;
- size_t key_size, value_size;
- hashmap_item_p* root;
- hashmap_item_dtor_t item_dtor; // a destructor for hashmap key/value pairs
- hashmap_key_compare_t key_compare;
- hashmap_hash_t hash;
- // stats
- int hit_count;
- int miss_count;
- int count;
-};
-
-#define FNV1_32A_INIT (unsigned)0x811c9dc5
-
-static inline unsigned fnv_32a_buf(void* buf, size_t len, unsigned hval)
-{
- unsigned char *bp = buf;
- unsigned char *be = bp + len;
- while (bp < be) {
- hval ^= (unsigned)*bp++;
- hval += (hval<<1) + (hval<<4) + (hval<<7) + (hval<<8) + (hval<<24);
- }
- return hval;
-}
-static inline unsigned fnv_32a_str(char* str, unsigned hval)
-{
- unsigned char* s = (unsigned char*)str;
- while (*s) {
- hval ^= (unsigned)*s++;
- hval += (hval<<1) + (hval<<4) + (hval<<7) + (hval<<8) + (hval<<24);
- }
- return hval;
-}
-
-static unsigned hashmap_hash(void* buf, size_t len)
-{
- return fnv_32a_buf(buf, len, FNV1_32A_INIT);
-}
-
-static int hashmap_key_compare(void* a, void* b, size_t size)
-{
- return memcmp(a, b, size) == 0;
-}
-
-static void hashmap_item_dtor(void* key, size_t key_size, void* value, size_t value_size)
-{
- free(key);
- free(value);
-}
-
-hashmap_t* hashmap_init(size_t key_size, size_t value_size, int nbuckets,
- hashmap_item_dtor_t item_dtor, hashmap_key_compare_t key_compare,
- hashmap_hash_t hash)
-{
- hashmap_t* map = calloc(1, sizeof(hashmap_t));
- map->nbuckets = nbuckets;
- map->key_size = key_size;
- map->value_size = value_size;
- map->root = calloc(nbuckets, sizeof(hashmap_item_p));
- map->item_dtor = item_dtor ? item_dtor : hashmap_item_dtor;
- map->key_compare = key_compare ? key_compare : hashmap_key_compare;
- map->hash = hash ? hash : hashmap_hash;
- return map;
-}
-
-void hashmap_done(hashmap_t* map)
-{
- int i;
- // print stats
- if (map->count > 0 || map->hit_count + map->miss_count > 0)
- mp_msg(MSGT_ASS, MSGL_V, "cache statistics: \n total accesses: %d\n hits: %d\n misses: %d\n object count: %d\n",
- map->hit_count + map->miss_count, map->hit_count, map->miss_count, map->count);
-
- for (i = 0; i < map->nbuckets; ++i) {
- hashmap_item_t* item = map->root[i];
- while (item) {
- hashmap_item_t* next = item->next;
- map->item_dtor(item->key, map->key_size, item->value, map->value_size);
- free(item);
- item = next;
- }
- }
- free(map->root);
- free(map);
-}
-
-// does nothing if key already exists
-void* hashmap_insert(hashmap_t* map, void* key, void* value)
-{
- unsigned hash = map->hash(key, map->key_size);
- hashmap_item_t** next = map->root + (hash % map->nbuckets);
- while (*next) {
- if (map->key_compare(key, (*next)->key, map->key_size))
- return (*next)->value;
- next = &((*next)->next);
- assert(next);
- }
- (*next) = malloc(sizeof(hashmap_item_t));
- (*next)->key = malloc(map->key_size);
- (*next)->value = malloc(map->value_size);
- memcpy((*next)->key, key, map->key_size);
- memcpy((*next)->value, value, map->value_size);
- (*next)->next = 0;
-
- map->count ++;
- return (*next)->value;
-}
-
-void* hashmap_find(hashmap_t* map, void* key)
-{
- unsigned hash = map->hash(key, map->key_size);
- hashmap_item_t* item = map->root[hash % map->nbuckets];
- while (item) {
- if (map->key_compare(key, item->key, map->key_size)) {
- map->hit_count++;
- return item->value;
- }
- item = item->next;
- }
- map->miss_count++;
- return 0;
-}
-
-//---------------------------------
-// font cache
-
-hashmap_t* font_cache;
-
-static unsigned font_desc_hash(void* buf, size_t len)
-{
- ass_font_desc_t* desc = buf;
- unsigned hval;
- hval = fnv_32a_str(desc->family, FNV1_32A_INIT);
- hval = fnv_32a_buf(&desc->bold, sizeof(desc->bold), hval);
- hval = fnv_32a_buf(&desc->italic, sizeof(desc->italic), hval);
- return hval;
-}
-
-static int font_compare(void* key1, void* key2, size_t key_size) {
- ass_font_desc_t* a = key1;
- ass_font_desc_t* b = key2;
- if (strcmp(a->family, b->family) != 0)
- return 0;
- if (a->bold != b->bold)
- return 0;
- if (a->italic != b->italic)
- return 0;
- if (a->treat_family_as_pattern != b->treat_family_as_pattern)
- return 0;
- return 1;
-}
-
-static void font_hash_dtor(void* key, size_t key_size, void* value, size_t value_size)
-{
- ass_font_free(value);
- free(key);
-}
-
-ass_font_t* ass_font_cache_find(ass_font_desc_t* desc)
-{
- return hashmap_find(font_cache, desc);
-}
-
-/**
- * \brief Add a face struct to cache.
- * \param font font struct
-*/
-void* ass_font_cache_add(ass_font_t* font)
-{
- return hashmap_insert(font_cache, &(font->desc), font);
-}
-
-void ass_font_cache_init(void)
-{
- font_cache = hashmap_init(sizeof(ass_font_desc_t),
- sizeof(ass_font_t),
- 1000,
- font_hash_dtor, font_compare, font_desc_hash);
-}
-
-void ass_font_cache_done(void)
-{
- hashmap_done(font_cache);
-}
-
-
-// Create hash/compare functions for bitmap and glyph
-#define CREATE_HASH_FUNCTIONS
-#include "ass_cache_template.c"
-#define CREATE_COMPARISON_FUNCTIONS
-#include "ass_cache_template.c"
-
-//---------------------------------
-// bitmap cache
-
-hashmap_t* bitmap_cache;
-
-static void bitmap_hash_dtor(void* key, size_t key_size, void* value, size_t value_size)
-{
- bitmap_hash_val_t* v = value;
- if (v->bm) ass_free_bitmap(v->bm);
- if (v->bm_o) ass_free_bitmap(v->bm_o);
- if (v->bm_s) ass_free_bitmap(v->bm_s);
- free(key);
- free(value);
-}
-
-void* cache_add_bitmap(bitmap_hash_key_t* key, bitmap_hash_val_t* val)
-{
- return hashmap_insert(bitmap_cache, key, val);
-}
-
-/**
- * \brief Get a bitmap from bitmap cache.
- * \param key hash key
- * \return requested hash val or 0 if not found
-*/
-bitmap_hash_val_t* cache_find_bitmap(bitmap_hash_key_t* key)
-{
- return hashmap_find(bitmap_cache, key);
-}
-
-void ass_bitmap_cache_init(void)
-{
- bitmap_cache = hashmap_init(sizeof(bitmap_hash_key_t),
- sizeof(bitmap_hash_val_t),
- 0xFFFF + 13,
- bitmap_hash_dtor, bitmap_compare,
- bitmap_hash);
-}
-
-void ass_bitmap_cache_done(void)
-{
- hashmap_done(bitmap_cache);
-}
-
-void ass_bitmap_cache_reset(void)
-{
- ass_bitmap_cache_done();
- ass_bitmap_cache_init();
-}
-
-//---------------------------------
-// glyph cache
-
-hashmap_t* glyph_cache;
-
-static void glyph_hash_dtor(void* key, size_t key_size, void* value, size_t value_size)
-{
- glyph_hash_val_t* v = value;
- if (v->glyph) FT_Done_Glyph(v->glyph);
- if (v->outline_glyph) FT_Done_Glyph(v->outline_glyph);
- free(key);
- free(value);
-}
-
-void* cache_add_glyph(glyph_hash_key_t* key, glyph_hash_val_t* val)
-{
- return hashmap_insert(glyph_cache, key, val);
-}
-
-/**
- * \brief Get a glyph from glyph cache.
- * \param key hash key
- * \return requested hash val or 0 if not found
-*/
-glyph_hash_val_t* cache_find_glyph(glyph_hash_key_t* key)
-{
- return hashmap_find(glyph_cache, key);
-}
-
-void ass_glyph_cache_init(void)
-{
- glyph_cache = hashmap_init(sizeof(glyph_hash_key_t),
- sizeof(glyph_hash_val_t),
- 0xFFFF + 13,
- glyph_hash_dtor, glyph_compare, glyph_hash);
-}
-
-void ass_glyph_cache_done(void)
-{
- hashmap_done(glyph_cache);
-}
-
-void ass_glyph_cache_reset(void)
-{
- ass_glyph_cache_done();
- ass_glyph_cache_init();
-}
-
-
-//---------------------------------
-// composite cache
-
-hashmap_t* composite_cache;
-
-static void composite_hash_dtor(void* key, size_t key_size, void* value, size_t value_size)
-{
- composite_hash_val_t* v = value;
- free(v->a);
- free(v->b);
- free(key);
- free(value);
-}
-
-void* cache_add_composite(composite_hash_key_t* key, composite_hash_val_t* val)
-{
- return hashmap_insert(composite_cache, key, val);
-}
-
-/**
- * \brief Get a composite bitmap from composite cache.
- * \param key hash key
- * \return requested hash val or 0 if not found
-*/
-composite_hash_val_t* cache_find_composite(composite_hash_key_t* key)
-{
- return hashmap_find(composite_cache, key);
-}
-
-void ass_composite_cache_init(void)
-{
- composite_cache = hashmap_init(sizeof(composite_hash_key_t),
- sizeof(composite_hash_val_t),
- 0xFFFF + 13,
- composite_hash_dtor, NULL, NULL);
-}
-
-void ass_composite_cache_done(void)
-{
- hashmap_done(composite_cache);
-}
-
-void ass_composite_cache_reset(void)
-{
- ass_composite_cache_done();
- ass_composite_cache_init();
-}