[Jack-Devel] Why frame sizes are limited to the powers of 2?

jack_set_buffer_size limits frame size to the powers of 2. The Opus codec (http://opus-codec.org/) doesn't like such frame sizes. It defines frame sizes in milliseconds, and allows 5 ms, 10 ms, 20 ms, 25 ms, ... which in case of 48,000 sample rate are never a power of two. It seems like Jack shouldn't be so strict in limiting frame rates to the powers of 2. How to solve this problem? Yuri