Commit | Line | Data |
---|---|---|
2ba45a60 DM |
1 | /* |
2 | * Alpha optimised block operations | |
3 | * Copyright (c) 2002 Falk Hueffner <falk@debian.org> | |
4 | * | |
5 | * This file is part of FFmpeg. | |
6 | * | |
7 | * FFmpeg is free software; you can redistribute it and/or | |
8 | * modify it under the terms of the GNU Lesser General Public | |
9 | * License as published by the Free Software Foundation; either | |
10 | * version 2.1 of the License, or (at your option) any later version. | |
11 | * | |
12 | * FFmpeg is distributed in the hope that it will be useful, | |
13 | * but WITHOUT ANY WARRANTY; without even the implied warranty of | |
14 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU | |
15 | * Lesser General Public License for more details. | |
16 | * | |
17 | * You should have received a copy of the GNU Lesser General Public | |
18 | * License along with FFmpeg; if not, write to the Free Software | |
19 | * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA | |
20 | */ | |
21 | ||
22 | #include <stdint.h> | |
23 | ||
24 | #include "libavutil/attributes.h" | |
25 | #include "libavcodec/blockdsp.h" | |
26 | #include "asm.h" | |
27 | ||
28 | static void clear_blocks_axp(int16_t *blocks) { | |
29 | uint64_t *p = (uint64_t *) blocks; | |
30 | int n = sizeof(int16_t) * 6 * 64; | |
31 | ||
32 | do { | |
33 | p[0] = 0; | |
34 | p[1] = 0; | |
35 | p[2] = 0; | |
36 | p[3] = 0; | |
37 | p[4] = 0; | |
38 | p[5] = 0; | |
39 | p[6] = 0; | |
40 | p[7] = 0; | |
41 | p += 8; | |
42 | n -= 8 * 8; | |
43 | } while (n); | |
44 | } | |
45 | ||
46 | av_cold void ff_blockdsp_init_alpha(BlockDSPContext *c, unsigned high_bit_depth) | |
47 | { | |
48 | if (!high_bit_depth) { | |
49 | c->clear_blocks = clear_blocks_axp; | |
50 | } | |
51 | } |