s->dct_unquantize(s, block, i, s->qscale);
s->dct_unquantize(s, block, i, qscale);
static inline void add_dequant_dct(MpegEncContext *s,                            DCTELEM *block, int i, uint8_t *dest, int line_size){    if (s->block_last_index[i] >= 0) {        s->dct_unquantize(s, block, i, s->qscale);        s->dsp.idct_add (dest, line_size, block);    }}