ALIGN_MASK        432 3rdparty/libwebp/dec/frame.c                         + cache_size + alpha_size + ALIGN_MASK;
ALIGN_MASK        473 3rdparty/libwebp/dec/frame.c   mem = (uint8_t*)((uintptr_t)(mem + ALIGN_MASK) & ~ALIGN_MASK);
ALIGN_MASK        474 3rdparty/libwebp/dec/frame.c   assert((yuv_size & ALIGN_MASK) == 0);