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
|
/*
* 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 Libav.
*
* Libav 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.
*
* Libav 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 Libav; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
*/
#include <stdint.h>
#include "config.h"
#include "libavutil/attributes.h"
#include "libavutil/bfin/attributes.h"
#include "libavcodec/avcodec.h"
#include "libavcodec/dsputil.h"
#include "libavcodec/mpegvideo.h"
void ff_bfin_idct(int16_t *block) attribute_l1_text;
void ff_bfin_fdct(int16_t *block) attribute_l1_text;
void ff_bfin_add_pixels_clamped(const int16_t *block, uint8_t *dest,
int line_size) attribute_l1_text;
void ff_bfin_put_pixels_clamped(const int16_t *block, uint8_t *dest,
int line_size) attribute_l1_text;
void ff_bfin_diff_pixels(int16_t *block, const uint8_t *s1, const uint8_t *s2,
int stride) attribute_l1_text;
void ff_bfin_get_pixels(int16_t *restrict block, const uint8_t *pixels,
int line_size) attribute_l1_text;
int ff_bfin_pix_norm1(uint8_t *pix, int line_size) attribute_l1_text;
int ff_bfin_pix_sum(uint8_t *p, int stride) attribute_l1_text;
int ff_bfin_z_sad8x8(uint8_t *blk1, uint8_t *blk2, int dsz,
int line_size, int h) attribute_l1_text;
int ff_bfin_z_sad16x16(uint8_t *blk1, uint8_t *blk2, int dsz,
int line_size, int h) attribute_l1_text;
int ff_bfin_sse4(MpegEncContext *v, uint8_t *pix1, uint8_t *pix2,
int line_size, int h) attribute_l1_text;
int ff_bfin_sse8(MpegEncContext *v, uint8_t *pix1, uint8_t *pix2,
int line_size, int h) attribute_l1_text;
int ff_bfin_sse16(MpegEncContext *v, uint8_t *pix1, uint8_t *pix2,
int line_size, int h) attribute_l1_text;
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(MpegEncContext *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(MpegEncContext *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(MpegEncContext *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(MpegEncContext *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(MpegEncContext *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(MpegEncContext *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(MpegEncContext *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(MpegEncContext *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,
unsigned high_bit_depth)
{
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;
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 (!high_bit_depth) {
c->get_pixels = ff_bfin_get_pixels;
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;
}
}
}
|
