1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
|
/*
* 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);
}
|
