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
|
/*
* Copyright (c) 2015 Shivraj Patil (Shivraj.Patil@imgtec.com)
*
* This file is part of FFmpeg.
*
* FFmpeg is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2.1 of the License, or (at your option) any later version.
*
* FFmpeg is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with FFmpeg; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
*/
#include "libavutil/mips/generic_macros_msa.h"
#include "pixblockdsp_mips.h"
static void diff_pixels_msa(int16_t *block, const uint8_t *src1,
const uint8_t *src2, int32_t stride)
{
v16u8 in10, in11, in12, in13, in14, in15, in16, in17;
v16u8 in20, in21, in22, in23, in24, in25, in26, in27;
v8i16 out0, out1, out2, out3, out4, out5, out6, out7;
LD_UB8(src1, stride, in10, in11, in12, in13, in14, in15, in16, in17);
LD_UB8(src2, stride, in20, in21, in22, in23, in24, in25, in26, in27);
ILVR_B4_SH(in10, in20, in11, in21, in12, in22, in13, in23,
out0, out1, out2, out3);
ILVR_B4_SH(in14, in24, in15, in25, in16, in26, in17, in27,
out4, out5, out6, out7);
HSUB_UB4_SH(out0, out1, out2, out3, out0, out1, out2, out3);
HSUB_UB4_SH(out4, out5, out6, out7, out4, out5, out6, out7);
ST_SH8(out0, out1, out2, out3, out4, out5, out6, out7, block, 8);
}
static void copy_8bit_to_16bit_width8_msa(const uint8_t *src, int32_t src_stride,
int16_t *dst, int32_t dst_stride,
int32_t height)
{
uint8_t *dst_ptr;
int32_t cnt;
v16u8 src0, src1, src2, src3;
v16i8 zero = { 0 };
dst_ptr = (uint8_t *) dst;
for (cnt = (height >> 2); cnt--;) {
LD_UB4(src, src_stride, src0, src1, src2, src3);
src += (4 * src_stride);
ILVR_B4_UB(zero, src0, zero, src1, zero, src2, zero, src3,
src0, src1, src2, src3);
ST_UB4(src0, src1, src2, src3, dst_ptr, (dst_stride * 2));
dst_ptr += (4 * 2 * dst_stride);
}
}
static void copy_16multx8mult_msa(const uint8_t *src, int32_t src_stride,
uint8_t *dst, int32_t dst_stride,
int32_t height, int32_t width)
{
int32_t cnt, loop_cnt;
const uint8_t *src_tmp;
uint8_t *dst_tmp;
v16u8 src0, src1, src2, src3, src4, src5, src6, src7;
for (cnt = (width >> 4); cnt--;) {
src_tmp = src;
dst_tmp = dst;
for (loop_cnt = (height >> 3); loop_cnt--;) {
LD_UB8(src_tmp, src_stride,
src0, src1, src2, src3, src4, src5, src6, src7);
src_tmp += (8 * src_stride);
ST_UB8(src0, src1, src2, src3, src4, src5, src6, src7,
dst_tmp, dst_stride);
dst_tmp += (8 * dst_stride);
}
src += 16;
dst += 16;
}
}
static void copy_width16_msa(const uint8_t *src, int32_t src_stride,
uint8_t *dst, int32_t dst_stride,
int32_t height)
{
int32_t cnt;
v16u8 src0, src1, src2, src3, src4, src5, src6, src7;
if (0 == height % 12) {
for (cnt = (height / 12); cnt--;) {
LD_UB8(src, src_stride,
src0, src1, src2, src3, src4, src5, src6, src7);
src += (8 * src_stride);
ST_UB8(src0, src1, src2, src3, src4, src5, src6, src7,
dst, dst_stride);
dst += (8 * dst_stride);
LD_UB4(src, src_stride, src0, src1, src2, src3);
src += (4 * src_stride);
ST_UB4(src0, src1, src2, src3, dst, dst_stride);
dst += (4 * dst_stride);
}
} else if (0 == height % 8) {
copy_16multx8mult_msa(src, src_stride, dst, dst_stride, height, 16);
} else if (0 == height % 4) {
for (cnt = (height >> 2); cnt--;) {
LD_UB4(src, src_stride, src0, src1, src2, src3);
src += (4 * src_stride);
ST_UB4(src0, src1, src2, src3, dst, dst_stride);
dst += (4 * dst_stride);
}
}
}
void ff_get_pixels_16_msa(int16_t *restrict dest, const uint8_t *src,
ptrdiff_t stride)
{
copy_width16_msa(src, stride, (uint8_t *) dest, 16, 8);
}
void ff_get_pixels_8_msa(int16_t *restrict dest, const uint8_t *src,
ptrdiff_t stride)
{
copy_8bit_to_16bit_width8_msa(src, stride, dest, 8, 8);
}
void ff_diff_pixels_msa(int16_t *restrict block, const uint8_t *src1,
const uint8_t *src2, ptrdiff_t stride)
{
diff_pixels_msa(block, src1, src2, stride);
}
|
