/* *  Copyright (c) 2015 The WebM project authors. All Rights Reserved. * *  Use of this source code is governed by a BSD-style license *  that can be found in the LICENSE file in the root of the source *  tree. An additional intellectual property rights grant can be found *  in the file PATENTS.  All contributing project authors may *  be found in the AUTHORS file in the root of the source tree. */ #include "./vp8_rtcd.h"#include "vp8/common/mips/msa/vp8_macros_msa.h"#include "vp8/encoder/block.h" static int8_t fast_quantize_b_msa(int16_t *coeff_ptr, int16_t *round,                                  int16_t *quant, int16_t *de_quant,                                  int16_t *q_coeff, int16_t *dq_coeff) {  int32_t cnt, eob;  v16i8 inv_zig_zag = { 0, 1, 5, 6, 2, 4, 7, 12, 3, 8, 11, 13, 9, 10, 14, 15 };  v8i16 round0, round1;  v8i16 sign_z0, sign_z1;  v8i16 q_coeff0, q_coeff1;  v8i16 x0, x1, de_quant0, de_quant1;  v8i16 coeff0, coeff1, z0, z1;  v8i16 quant0, quant1, quant2, quant3;  v8i16 zero = { 0 };  v8i16 inv_zig_zag0, inv_zig_zag1;  v8i16 zigzag_mask0 = { 0, 1, 4, 8, 5, 2, 3, 6 };  v8i16 zigzag_mask1 = { 9, 12, 13, 10, 7, 11, 14, 15 };  v8i16 temp0_h, temp1_h, temp2_h, temp3_h;  v4i32 temp0_w, temp1_w, temp2_w, temp3_w;   ILVRL_B2_SH(zero, inv_zig_zag, inv_zig_zag0, inv_zig_zag1);  eob = -1;  LD_SH2(coeff_ptr, 8, coeff0, coeff1);  VSHF_H2_SH(coeff0, coeff1, coeff0, coeff1, zigzag_mask0, zigzag_mask1, z0,             z1);  LD_SH2(round, 8, coeff0, coeff1);  VSHF_H2_SH(coeff0, coeff1, coeff0, coeff1, zigzag_mask0, zigzag_mask1, round0,             round1);  LD_SH2(quant, 8, coeff0, coeff1);  VSHF_H2_SH(coeff0, coeff1, coeff0, coeff1, zigzag_mask0, zigzag_mask1, quant0,             quant2);  sign_z0 = z0 >> 15;  sign_z1 = z1 >> 15;  x0 = __msa_add_a_h(z0, zero);  x1 = __msa_add_a_h(z1, zero);  ILVL_H2_SH(quant0, quant0, quant2, quant2, quant1, quant3);  ILVR_H2_SH(quant0, quant0, quant2, quant2, quant0, quant2);  ILVL_H2_SH(round0, x0, round1, x1, temp1_h, temp3_h);  ILVR_H2_SH(round0, x0, round1, x1, temp0_h, temp2_h);  DOTP_SH4_SW(temp0_h, temp1_h, temp2_h, temp3_h, quant0, quant1, quant2,              quant3, temp0_w, temp1_w, temp2_w, temp3_w);  SRA_4V(temp0_w, temp1_w, temp2_w, temp3_w, 16);  PCKEV_H2_SH(temp1_w, temp0_w, temp3_w, temp2_w, x0, x1);  x0 = x0 ^ sign_z0;  x1 = x1 ^ sign_z1;  SUB2(x0, sign_z0, x1, sign_z1, x0, x1);  VSHF_H2_SH(x0, x1, x0, x1, inv_zig_zag0, inv_zig_zag1, q_coeff0, q_coeff1);  ST_SH2(q_coeff0, q_coeff1, q_coeff, 8);  LD_SH2(de_quant, 8, de_quant0, de_quant1);  q_coeff0 *= de_quant0;  q_coeff1 *= de_quant1;  ST_SH2(q_coeff0, q_coeff1, dq_coeff, 8);   for (cnt = 0; cnt < 16; ++cnt) {    if ((cnt <= 7) && (x1[7 - cnt] != 0)) {      eob = (15 - cnt);      break;    }     if ((cnt > 7) && (x0[7 - (cnt - 8)] != 0)) {      eob = (7 - (cnt - 8));      break;    }  }   return (int8_t)(eob + 1);} static int8_t exact_regular_quantize_b_msa(    int16_t *zbin_boost, int16_t *coeff_ptr, int16_t *zbin, int16_t *round,    int16_t *quant, int16_t *quant_shift, int16_t *de_quant, int16_t zbin_oq_in,    int16_t *q_coeff, int16_t *dq_coeff) {  int32_t cnt, eob;  int16_t *boost_temp = zbin_boost;  v16i8 inv_zig_zag = { 0, 1, 5, 6, 2, 4, 7, 12, 3, 8, 11, 13, 9, 10, 14, 15 };  v8i16 round0, round1;  v8i16 sign_z0, sign_z1;  v8i16 q_coeff0, q_coeff1;  v8i16 z_bin0, z_bin1, zbin_o_q;  v8i16 x0, x1, sign_x0, sign_x1, de_quant0, de_quant1;  v8i16 coeff0, coeff1, z0, z1;  v8i16 quant0, quant1, quant2, quant3;  v8i16 zero = { 0 };  v8i16 inv_zig_zag0, inv_zig_zag1;  v8i16 zigzag_mask0 = { 0, 1, 4, 8, 5, 2, 3, 6 };  v8i16 zigzag_mask1 = { 9, 12, 13, 10, 7, 11, 14, 15 };  v8i16 temp0_h, temp1_h, temp2_h, temp3_h;  v4i32 temp0_w, temp1_w, temp2_w, temp3_w;   ILVRL_B2_SH(zero, inv_zig_zag, inv_zig_zag0, inv_zig_zag1);  zbin_o_q = __msa_fill_h(zbin_oq_in);  eob = -1;  LD_SH2(coeff_ptr, 8, coeff0, coeff1);  VSHF_H2_SH(coeff0, coeff1, coeff0, coeff1, zigzag_mask0, zigzag_mask1, z0,             z1);  LD_SH2(round, 8, coeff0, coeff1);  VSHF_H2_SH(coeff0, coeff1, coeff0, coeff1, zigzag_mask0, zigzag_mask1, round0,             round1);  LD_SH2(quant, 8, coeff0, coeff1);  VSHF_H2_SH(coeff0, coeff1, coeff0, coeff1, zigzag_mask0, zigzag_mask1, quant0,             quant2);  LD_SH2(zbin, 8, coeff0, coeff1);  VSHF_H2_SH(coeff0, coeff1, coeff0, coeff1, zigzag_mask0, zigzag_mask1, z_bin0,             z_bin1);  sign_z0 = z0 >> 15;  sign_z1 = z1 >> 15;  x0 = __msa_add_a_h(z0, zero);  x1 = __msa_add_a_h(z1, zero);  SUB2(x0, z_bin0, x1, z_bin1, z_bin0, z_bin1);  SUB2(z_bin0, zbin_o_q, z_bin1, zbin_o_q, z_bin0, z_bin1);  ILVL_H2_SH(quant0, quant0, quant2, quant2, quant1, quant3);  ILVR_H2_SH(quant0, quant0, quant2, quant2, quant0, quant2);  ILVL_H2_SH(round0, x0, round1, x1, temp1_h, temp3_h);  ILVR_H2_SH(round0, x0, round1, x1, temp0_h, temp2_h);  DOTP_SH4_SW(temp0_h, temp1_h, temp2_h, temp3_h, quant0, quant1, quant2,              quant3, temp0_w, temp1_w, temp2_w, temp3_w);  SRA_4V(temp0_w, temp1_w, temp2_w, temp3_w, 16);  PCKEV_H2_SH(temp1_w, temp0_w, temp3_w, temp2_w, temp0_h, temp2_h);  LD_SH2(quant_shift, 8, coeff0, coeff1);  VSHF_H2_SH(coeff0, coeff1, coeff0, coeff1, zigzag_mask0, zigzag_mask1, quant0,             quant2);  ILVL_H2_SH(quant0, quant0, quant2, quant2, quant1, quant3);  ILVR_H2_SH(quant0, quant0, quant2, quant2, quant0, quant2);  ADD2(x0, round0, x1, round1, x0, x1);  ILVL_H2_SH(temp0_h, x0, temp2_h, x1, temp1_h, temp3_h);  ILVR_H2_SH(temp0_h, x0, temp2_h, x1, temp0_h, temp2_h);  DOTP_SH4_SW(temp0_h, temp1_h, temp2_h, temp3_h, quant0, quant1, quant2,              quant3, temp0_w, temp1_w, temp2_w, temp3_w);  SRA_4V(temp0_w, temp1_w, temp2_w, temp3_w, 16);  PCKEV_H2_SH(temp1_w, temp0_w, temp3_w, temp2_w, x0, x1);  sign_x0 = x0 ^ sign_z0;  sign_x1 = x1 ^ sign_z1;  SUB2(sign_x0, sign_z0, sign_x1, sign_z1, sign_x0, sign_x1);  for (cnt = 0; cnt < 16; ++cnt) {    if (cnt <= 7) {      if (boost_temp[0] <= z_bin0[cnt]) {        if (x0[cnt]) {          eob = cnt;          boost_temp = zbin_boost;        } else {          boost_temp++;        }      } else {        sign_x0[cnt] = 0;        boost_temp++;      }    } else {      if (boost_temp[0] <= z_bin1[cnt - 8]) {        if (x1[cnt - 8]) {          eob = cnt;          boost_temp = zbin_boost;        } else {          boost_temp++;        }      } else {        sign_x1[cnt - 8] = 0;        boost_temp++;      }    }  }   VSHF_H2_SH(sign_x0, sign_x1, sign_x0, sign_x1, inv_zig_zag0, inv_zig_zag1,             q_coeff0, q_coeff1);  ST_SH2(q_coeff0, q_coeff1, q_coeff, 8);  LD_SH2(de_quant, 8, de_quant0, de_quant1);  MUL2(de_quant0, q_coeff0, de_quant1, q_coeff1, de_quant0, de_quant1);  ST_SH2(de_quant0, de_quant1, dq_coeff, 8);   return (int8_t)(eob + 1);} void vp8_fast_quantize_b_msa(BLOCK *b, BLOCKD *d) {  int16_t *coeff_ptr = b->coeff;  int16_t *round_ptr = b->round;  int16_t *quant_ptr = b->quant_fast;  int16_t *qcoeff_ptr = d->qcoeff;  int16_t *dqcoeff_ptr = d->dqcoeff;  int16_t *dequant_ptr = d->dequant;   *d->eob = fast_quantize_b_msa(coeff_ptr, round_ptr, quant_ptr, dequant_ptr,                                qcoeff_ptr, dqcoeff_ptr);} void vp8_regular_quantize_b_msa(BLOCK *b, BLOCKD *d) {  int16_t *zbin_boost_ptr = b->zrun_zbin_boost;  int16_t *coeff_ptr = b->coeff;  int16_t *zbin_ptr = b->zbin;  int16_t *round_ptr = b->round;  int16_t *quant_ptr = b->quant;  int16_t *quant_shift_ptr = b->quant_shift;  int16_t *qcoeff_ptr = d->qcoeff;  int16_t *dqcoeff_ptr = d->dqcoeff;  int16_t *dequant_ptr = d->dequant;  int16_t zbin_oq_value = b->zbin_extra;   *d->eob = exact_regular_quantize_b_msa(      zbin_boost_ptr, coeff_ptr, zbin_ptr, round_ptr, quant_ptr,      quant_shift_ptr, dequant_ptr, zbin_oq_value, qcoeff_ptr, dqcoeff_ptr);}