FFmpeg
 All Data Structures Namespaces Files Functions Variables Typedefs Enumerations Enumerator Macros Groups Pages
blockdsp_alpha.c
Go to the documentation of this file.
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 
47 {
49 }
av_cold void ff_blockdsp_init_alpha(BlockDSPContext *c)
void(* clear_blocks)(int16_t *blocks)
Definition: blockdsp.h:36
Macro definitions for various function/variable attributes.
#define av_cold
Definition: attributes.h:82
static void clear_blocks_axp(int16_t *blocks)
int n
Definition: avisynth_c.h:684
static double c[64]