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); }