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
|
/*
* Copyright (c) 2013 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 <assert.h>
#include <stdio.h>
#include "./vpx_config.h"
#include "./vp9_rtcd.h"
#include "vp9/common/vp9_common.h"
#include "vp9/common/vp9_blockd.h"
#include "vpx_dsp/mips/inv_txfm_dspr2.h"
#include "vpx_dsp/txfm_common.h"
#include "vpx_ports/mem.h"
#if HAVE_DSPR2
void vp9_iht8x8_64_add_dspr2(const int16_t *input, uint8_t *dest, int stride,
int tx_type) {
int i, j;
DECLARE_ALIGNED(32, int16_t, out[8 * 8]);
int16_t *outptr = out;
int16_t temp_in[8 * 8], temp_out[8];
uint32_t pos = 45;
/* bit positon for extract from acc */
__asm__ __volatile__("wrdsp %[pos], 1 \n\t" : : [pos] "r"(pos));
switch (tx_type) {
case DCT_DCT: // DCT in both horizontal and vertical
idct8_rows_dspr2(input, outptr, 8);
idct8_columns_add_blk_dspr2(&out[0], dest, stride);
break;
case ADST_DCT: // ADST in vertical, DCT in horizontal
idct8_rows_dspr2(input, outptr, 8);
for (i = 0; i < 8; ++i) {
iadst8_dspr2(&out[i * 8], temp_out);
for (j = 0; j < 8; ++j)
dest[j * stride + i] = clip_pixel(ROUND_POWER_OF_TWO(temp_out[j], 5) +
dest[j * stride + i]);
}
break;
case DCT_ADST: // DCT in vertical, ADST in horizontal
for (i = 0; i < 8; ++i) {
iadst8_dspr2(input, outptr);
input += 8;
outptr += 8;
}
for (i = 0; i < 8; ++i) {
for (j = 0; j < 8; ++j) {
temp_in[i * 8 + j] = out[j * 8 + i];
}
}
idct8_columns_add_blk_dspr2(&temp_in[0], dest, stride);
break;
case ADST_ADST: // ADST in both directions
for (i = 0; i < 8; ++i) {
iadst8_dspr2(input, outptr);
input += 8;
outptr += 8;
}
for (i = 0; i < 8; ++i) {
for (j = 0; j < 8; ++j) temp_in[j] = out[j * 8 + i];
iadst8_dspr2(temp_in, temp_out);
for (j = 0; j < 8; ++j)
dest[j * stride + i] = clip_pixel(ROUND_POWER_OF_TWO(temp_out[j], 5) +
dest[j * stride + i]);
}
break;
default: printf("vp9_short_iht8x8_add_dspr2 : Invalid tx_type\n"); break;
}
}
#endif // #if HAVE_DSPR2
|
