const uint8_t *ptr = s->gb.buffer + (get_bits_count(&s->gb)>>3);
assert((get_bits_count(&s->gb) & 7) == 0);
/* now we get bits from the main_data_begin offset */
const uint8_t *ptr = s->gb.buffer + (get_bits_count(&s->gb)>>3);
assert((get_bits_count(&s->gb) & 7) == 0);
/* now we get bits from the main_data_begin offset */
memcpy(s->last_buf + s->last_buf_size, ptr, EXTRABYTES);
s->in_gb = s->gb;
init_get_bits(&s->gb, s->last_buf, s->last_buf_size*8);
memcpy(s->last_buf + s->last_buf_size, ptr, EXTRABYTES);
s->in_gb = s->gb;
init_get_bits(&s->gb, s->last_buf, s->last_buf_size*8);