diff options
Diffstat (limited to 'libass/ass_bitmap.c')
| -rw-r--r-- | libass/ass_bitmap.c | 7 |
1 files changed, 4 insertions, 3 deletions
diff --git a/libass/ass_bitmap.c b/libass/ass_bitmap.c index f18bc7f..b97d87d 100644 --- a/libass/ass_bitmap.c +++ b/libass/ass_bitmap.c @@ -73,8 +73,9 @@ void ass_synth_blur(const BitmapEngine *engine, Bitmap *bm, return; // Apply box blur (multiple passes, if requested) + unsigned align = 1 << engine->align_order; size_t size = sizeof(uint16_t) * bm->stride * 2; - uint16_t *tmp = ass_aligned_alloc(32, size, false); + uint16_t *tmp = ass_aligned_alloc(align, size, false); if (!tmp) return; @@ -101,9 +102,9 @@ bool alloc_bitmap(const BitmapEngine *engine, Bitmap *bm, unsigned align = 1 << engine->align_order; size_t s = ass_align(align, w); // Too often we use ints as offset for bitmaps => use INT_MAX. - if (s > (INT_MAX - 32) / FFMAX(h, 1)) + if (s > (INT_MAX - align) / FFMAX(h, 1)) return false; - uint8_t *buf = ass_aligned_alloc(align, s * h + 32, zero); + uint8_t *buf = ass_aligned_alloc(align, s * h + align, zero); if (!buf) return false; bm->w = w; |