static int get_qcc(J2kDecoderContext *s, int n, J2kQuantStyle *q, uint8_t *properties)
{
    int compno;

    if (s->buf_end - s->buf < 1)
        return AVERROR(EINVAL);

    compno = bytestream_get_byte(&s->buf);
    properties[compno] |= HAD_QCC;
    return get_qcx(s, n-1, q+compno);
}