diff options
| -rw-r--r-- | libass/ass_render.h | 6 | ||||
| -rw-r--r-- | libass/ass_render_api.c | 14 |
2 files changed, 16 insertions, 4 deletions
diff --git a/libass/ass_render.h b/libass/ass_render.h index fad554b..d009128 100644 --- a/libass/ass_render.h +++ b/libass/ass_render.h @@ -42,8 +42,10 @@ #include "ass_rasterizer.h" #define GLYPH_CACHE_MAX 10000 -#define BITMAP_CACHE_MAX_SIZE 128 * 1048576 -#define COMPOSITE_CACHE_MAX_SIZE 64 * 1048576 +#define MEGABYTE (1024 * 1024) +#define BITMAP_CACHE_MAX_SIZE (128 * MEGABYTE) +#define COMPOSITE_CACHE_RATIO 2 +#define COMPOSITE_CACHE_MAX_SIZE (BITMAP_CACHE_MAX_SIZE / COMPOSITE_CACHE_RATIO) #define PARSED_FADE (1<<0) #define PARSED_A (1<<1) diff --git a/libass/ass_render_api.c b/libass/ass_render_api.c index c59c204..d4b55de 100644 --- a/libass/ass_render_api.c +++ b/libass/ass_render_api.c @@ -180,8 +180,18 @@ void ass_set_cache_limits(ASS_Renderer *render_priv, int glyph_max, int bitmap_max) { render_priv->cache.glyph_max = glyph_max ? glyph_max : GLYPH_CACHE_MAX; - render_priv->cache.bitmap_max_size = bitmap_max ? 1048576 * bitmap_max : - BITMAP_CACHE_MAX_SIZE; + + size_t bitmap_cache, composite_cache; + if (bitmap_max) { + bitmap_cache = MEGABYTE * (size_t) bitmap_max; + composite_cache = bitmap_cache / (COMPOSITE_CACHE_RATIO + 1); + bitmap_cache -= composite_cache; + } else { + bitmap_cache = BITMAP_CACHE_MAX_SIZE; + composite_cache = COMPOSITE_CACHE_MAX_SIZE; + } + render_priv->cache.bitmap_max_size = bitmap_cache; + render_priv->cache.composite_max_size = composite_cache; } ASS_FontProvider * |