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
|
/*
* Copyright (c) 2010 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 "vpx_config.h"
#include "vp8_rtcd.h"
#include "vp8/common/blockd.h"
#include "vpx_mem/vpx_mem.h"
extern void vp8_dequantize_b_impl_mmx(short *sq, short *dq, short *q);
void vp8_dequantize_b_mmx(BLOCKD *d, short *DQC)
{
short *sq = (short *) d->qcoeff;
short *dq = (short *) d->dqcoeff;
vp8_dequantize_b_impl_mmx(sq, dq, DQC);
}
void vp8_dequant_idct_add_y_block_mmx
(short *q, short *dq,
unsigned char *dst, int stride, char *eobs)
{
int i;
for (i = 0; i < 4; i++)
{
if (eobs[0] > 1)
vp8_dequant_idct_add_mmx (q, dq, dst, stride);
else if (eobs[0] == 1)
{
vp8_dc_only_idct_add_mmx (q[0]*dq[0], dst, stride, dst, stride);
memset(q, 0, 2 * sizeof(q[0]));
}
if (eobs[1] > 1)
vp8_dequant_idct_add_mmx (q+16, dq, dst+4, stride);
else if (eobs[1] == 1)
{
vp8_dc_only_idct_add_mmx (q[16]*dq[0], dst+4, stride,
dst+4, stride);
memset(q + 16, 0, 2 * sizeof(q[0]));
}
if (eobs[2] > 1)
vp8_dequant_idct_add_mmx (q+32, dq, dst+8, stride);
else if (eobs[2] == 1)
{
vp8_dc_only_idct_add_mmx (q[32]*dq[0], dst+8, stride,
dst+8, stride);
memset(q + 32, 0, 2 * sizeof(q[0]));
}
if (eobs[3] > 1)
vp8_dequant_idct_add_mmx (q+48, dq, dst+12, stride);
else if (eobs[3] == 1)
{
vp8_dc_only_idct_add_mmx (q[48]*dq[0], dst+12, stride,
dst+12, stride);
memset(q + 48, 0, 2 * sizeof(q[0]));
}
q += 64;
dst += 4*stride;
eobs += 4;
}
}
void vp8_dequant_idct_add_uv_block_mmx
(short *q, short *dq,
unsigned char *dstu, unsigned char *dstv, int stride, char *eobs)
{
int i;
for (i = 0; i < 2; i++)
{
if (eobs[0] > 1)
vp8_dequant_idct_add_mmx (q, dq, dstu, stride);
else if (eobs[0] == 1)
{
vp8_dc_only_idct_add_mmx (q[0]*dq[0], dstu, stride, dstu, stride);
memset(q, 0, 2 * sizeof(q[0]));
}
if (eobs[1] > 1)
vp8_dequant_idct_add_mmx (q+16, dq, dstu+4, stride);
else if (eobs[1] == 1)
{
vp8_dc_only_idct_add_mmx (q[16]*dq[0], dstu+4, stride,
dstu+4, stride);
memset(q + 16, 0, 2 * sizeof(q[0]));
}
q += 32;
dstu += 4*stride;
eobs += 2;
}
for (i = 0; i < 2; i++)
{
if (eobs[0] > 1)
vp8_dequant_idct_add_mmx (q, dq, dstv, stride);
else if (eobs[0] == 1)
{
vp8_dc_only_idct_add_mmx (q[0]*dq[0], dstv, stride, dstv, stride);
memset(q, 0, 2 * sizeof(q[0]));
}
if (eobs[1] > 1)
vp8_dequant_idct_add_mmx (q+16, dq, dstv+4, stride);
else if (eobs[1] == 1)
{
vp8_dc_only_idct_add_mmx (q[16]*dq[0], dstv+4, stride,
dstv+4, stride);
memset(q + 16, 0, 2 * sizeof(q[0]));
}
q += 32;
dstv += 4*stride;
eobs += 2;
}
}
|