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void RTjpeg_quant_init(void)
{
int i;
s16 *qtbl;
qtbl=(s16 *)RTjpeg_lqt;
for(i=0; i<64; i++)qtbl[i]=(s16)RTjpeg_lqt[i];
qtbl=(s16 *)RTjpeg_cqt;
for(i=0; i<64; i++)qtbl[i]=(s16)RTjpeg_cqt[i];
}
static mmx_t RTjpeg_ones=(mmx_t)(long long)0x0001000100010001LL;
static mmx_t RTjpeg_half=(mmx_t)(long long)0x7fff7fff7fff7fffLL;
void RTjpeg_quant(s16 *block, s32 *qtbl)
{
int i;
mmx_t *bl, *ql;
ql=(mmx_t *)qtbl;
bl=(mmx_t *)block;
movq_m2r(RTjpeg_ones, mm6);
movq_m2r(RTjpeg_half, mm7);
for(i=0; i<16; i++)
{
movq_m2r(*ql, mm0); /* quant vals (4) */
movq_m2r(*bl, mm2); /* block vals (4) */
movq_r2r(mm0, mm1);
movq_r2r(mm2, mm3);
punpcklwd_r2r(mm6, mm0); /* 1 qb 1 qa */
punpckhwd_r2r(mm6, mm1); /* 1 qd 1 qc */
punpcklwd_r2r(mm7, mm2); /* 32767 bb 32767 ba */
punpckhwd_r2r(mm7, mm3); /* 32767 bd 32767 bc */
pmaddwd_r2r(mm2, mm0); /* 32767+bb*qb 32767+ba*qa */
pmaddwd_r2r(mm3, mm1); /* 32767+bd*qd 32767+bc*qc */
psrad_i2r((mmx_t)(long long)16, mm0);
psrad_i2r((mmx_t)(long long)16, mm1);
packssdw_r2r(mm1, mm0);
movq_r2m(mm0, *bl);
bl++;
ql++;
}
}
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