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
|
/*
* BlackFin DSPUTILS
*
* Copyright (C) 2007 Marc Hoffman <marc.hoffman@analog.com>
* Copyright (c) 2006 Michael Benjamin <michael.benjamin@analog.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/attributes.h"
#include "libavcodec/avcodec.h"
#include "libavcodec/dsputil.h"
#include "dsputil_bfin.h"
static void bfin_idct_add(uint8_t *dest, int line_size, int16_t *block)
{
ff_bfin_idct(block);
ff_bfin_add_pixels_clamped(block, dest, line_size);
}
static void bfin_idct_put(uint8_t *dest, int line_size, int16_t *block)
{
ff_bfin_idct(block);
ff_bfin_put_pixels_clamped(block, dest, line_size);
}
static void bfin_clear_blocks(int16_t *blocks)
{
// This is just a simple memset.
__asm__ ("P0=192; "
"I0=%0; "
"R0=0; "
"LSETUP(clear_blocks_blkfn_lab,clear_blocks_blkfn_lab)LC0=P0;"
"clear_blocks_blkfn_lab:"
"[I0++]=R0;"
::"a" (blocks) : "P0", "I0", "R0");
}
static int bfin_pix_abs16(void *c, uint8_t *blk1, uint8_t *blk2,
int line_size, int h)
{
return ff_bfin_z_sad16x16(blk1, blk2, line_size, line_size, h);
}
static uint8_t vtmp_blk[256] attribute_l1_data_b;
static int bfin_pix_abs16_x2(void *c, uint8_t *blk1, uint8_t *blk2,
int line_size, int h)
{
ff_bfin_put_pixels16uc(vtmp_blk, blk2, blk2 + 1, 16, line_size, h);
return ff_bfin_z_sad16x16(blk1, vtmp_blk, line_size, 16, h);
}
static int bfin_pix_abs16_y2(void *c, uint8_t *blk1, uint8_t *blk2,
int line_size, int h)
{
ff_bfin_put_pixels16uc(vtmp_blk, blk2, blk2 + line_size, 16, line_size, h);
return ff_bfin_z_sad16x16(blk1, vtmp_blk, line_size, 16, h);
}
static int bfin_pix_abs16_xy2(void *c, uint8_t *blk1, uint8_t *blk2,
int line_size, int h)
{
ff_bfin_z_put_pixels16_xy2(vtmp_blk, blk2, 16, line_size, h);
return ff_bfin_z_sad16x16(blk1, vtmp_blk, line_size, 16, h);
}
static int bfin_pix_abs8(void *c, uint8_t *blk1, uint8_t *blk2,
int line_size, int h)
{
return ff_bfin_z_sad8x8(blk1, blk2, line_size, line_size, h);
}
static int bfin_pix_abs8_x2(void *c, uint8_t *blk1, uint8_t *blk2,
int line_size, int h)
{
ff_bfin_put_pixels8uc(vtmp_blk, blk2, blk2 + 1, 8, line_size, h);
return ff_bfin_z_sad8x8(blk1, vtmp_blk, line_size, 8, h);
}
static int bfin_pix_abs8_y2(void *c, uint8_t *blk1, uint8_t *blk2,
int line_size, int h)
{
ff_bfin_put_pixels8uc(vtmp_blk, blk2, blk2 + line_size, 8, line_size, h);
return ff_bfin_z_sad8x8(blk1, vtmp_blk, line_size, 8, h);
}
static int bfin_pix_abs8_xy2(void *c, uint8_t *blk1, uint8_t *blk2,
int line_size, int h)
{
ff_bfin_z_put_pixels8_xy2(vtmp_blk, blk2, 8, line_size, h);
return ff_bfin_z_sad8x8(blk1, vtmp_blk, line_size, 8, h);
}
/*
* decoder optimization
* start on 2/11 100 frames of 352x240@25 compiled with no optimization -g debugging
* 9.824s ~ 2.44x off
* 6.360s ~ 1.58x off with -O2
* 5.740s ~ 1.43x off with idcts
*
* 2.64s 2/20 same sman.mp4 decode only
*/
av_cold void ff_dsputil_init_bfin(DSPContext *c, AVCodecContext *avctx)
{
const int high_bit_depth = avctx->bits_per_raw_sample > 8;
c->diff_pixels = ff_bfin_diff_pixels;
c->put_pixels_clamped = ff_bfin_put_pixels_clamped;
c->add_pixels_clamped = ff_bfin_add_pixels_clamped;
if (!high_bit_depth)
c->get_pixels = ff_bfin_get_pixels;
c->clear_blocks = bfin_clear_blocks;
c->pix_sum = ff_bfin_pix_sum;
c->pix_norm1 = ff_bfin_pix_norm1;
c->sad[0] = bfin_pix_abs16;
c->sad[1] = bfin_pix_abs8;
/* TODO [0] 16 [1] 8 */
c->pix_abs[0][0] = bfin_pix_abs16;
c->pix_abs[0][1] = bfin_pix_abs16_x2;
c->pix_abs[0][2] = bfin_pix_abs16_y2;
c->pix_abs[0][3] = bfin_pix_abs16_xy2;
c->pix_abs[1][0] = bfin_pix_abs8;
c->pix_abs[1][1] = bfin_pix_abs8_x2;
c->pix_abs[1][2] = bfin_pix_abs8_y2;
c->pix_abs[1][3] = bfin_pix_abs8_xy2;
c->sse[0] = ff_bfin_sse16;
c->sse[1] = ff_bfin_sse8;
c->sse[2] = ff_bfin_sse4;
if (avctx->bits_per_raw_sample <= 8) {
if (avctx->dct_algo == FF_DCT_AUTO)
c->fdct = ff_bfin_fdct;
if (avctx->idct_algo == FF_IDCT_AUTO) {
c->idct_permutation_type = FF_NO_IDCT_PERM;
c->idct = ff_bfin_idct;
c->idct_add = bfin_idct_add;
c->idct_put = bfin_idct_put;
}
}
}
|
