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-rw-r--r--libass/ass_render_api.c14
1 files changed, 12 insertions, 2 deletions
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 *