static void hevc_await_progress(HEVCContext *s, HEVCFrame *ref,
                                const Mv *mv, int y0, int height)
{
    int y = (mv->y >> 2) + y0 + height + 9;
    ff_thread_await_progress(&ref->tf, y, 0);
}
static void hevc_await_progress(HEVCContext *s, HEVCFrame *ref,
                                const Mv *mv, int y0, int height)
{
    int y = (mv->y >> 2) + y0 + height + 9;
    ff_thread_await_progress(&ref->tf, y, 0);
}