FFmpeg
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xvididct_init_mips.c
Go to the documentation of this file.
1/*
2 * Copyright (c) 2015 Zhou Xiaoyong <zhouxiaoyong@loongson.cn>
3 *
4 * This file is part of FFmpeg.
5 *
6 * FFmpeg is free software; you can redistribute it and/or
7 * modify it under the terms of the GNU Lesser General Public
8 * License as published by the Free Software Foundation; either
9 * version 2.1 of the License, or (at your option) any later version.
10 *
11 * FFmpeg is distributed in the hope that it will be useful,
12 * but WITHOUT ANY WARRANTY; without even the implied warranty of
13 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
14 * Lesser General Public License for more details.
15 *
16 * You should have received a copy of the GNU Lesser General Public
17 * License along with FFmpeg; if not, write to the Free Software
18 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
19 */
20
22#include "libavutil/mips/cpu.h"
23#include "xvididct_mips.h"
24
26{
28
29 if (have_mmi(cpu_flags)) {
30 c->idct_put = ff_xvid_idct_put_mmi;
31 c->idct_add = ff_xvid_idct_add_mmi;
32 c->idct = ff_xvid_idct_mmi;
33 c->perm_type = FF_IDCT_PERM_NONE;
34 }
35}
@ FF_IDCT_PERM_NONE
Definition idctdsp.h:28
Macro definitions for various function/variable attributes.
#define av_cold
Definition attributes.h:117
static atomic_int cpu_flags
Definition cpu.c:56
int av_get_cpu_flags(void)
Return the flags which specify extensions supported by the CPU.
Definition cpu.c:109
#define have_mmi(flags)
Definition cpu.h:25
static double c[64]
void ff_xvid_idct_mmi(int16_t *block)
void ff_xvid_idct_put_mmi(uint8_t *dest, ptrdiff_t line_size, int16_t *block)
void ff_xvid_idct_add_mmi(uint8_t *dest, ptrdiff_t line_size, int16_t *block)
av_cold void ff_xvid_idct_init_mips(IDCTDSPContext *c)