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
|
/*
* 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 <stdint.h>
#include <string.h>
#include "config.h"
#include "libavutil/attributes.h"
#include "avcodec.h"
#include "blockdsp.h"
#include "version.h"
static void clear_block_8_c(int16_t *block)
{
memset(block, 0, sizeof(int16_t) * 64);
}
static void clear_blocks_8_c(int16_t *blocks)
{
memset(blocks, 0, sizeof(int16_t) * 6 * 64);
}
static void fill_block16_c(uint8_t *block, uint8_t value, int line_size, int h)
{
int i;
for (i = 0; i < h; i++) {
memset(block, value, 16);
block += line_size;
}
}
static void fill_block8_c(uint8_t *block, uint8_t value, int line_size, int h)
{
int i;
for (i = 0; i < h; i++) {
memset(block, value, 8);
block += line_size;
}
}
av_cold void ff_blockdsp_init(BlockDSPContext *c, AVCodecContext *avctx)
{
const unsigned high_bit_depth = avctx->bits_per_raw_sample > 8;
c->clear_block = clear_block_8_c;
c->clear_blocks = clear_blocks_8_c;
c->fill_block_tab[0] = fill_block16_c;
c->fill_block_tab[1] = fill_block8_c;
if (ARCH_ARM)
ff_blockdsp_init_arm(c, high_bit_depth);
if (ARCH_PPC)
ff_blockdsp_init_ppc(c, high_bit_depth);
if (ARCH_X86)
#if FF_API_XVMC
ff_blockdsp_init_x86(c, high_bit_depth, avctx);
#else
ff_blockdsp_init_x86(c, high_bit_depth);
#endif /* FF_API_XVMC */
}
|
