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
21 #include "libavutil/mips/cpu.h"
22 #include "xvididct_mips.h"
23
ff_xvid_idct_init_mips(IDCTDSPContext * c,AVCodecContext * avctx,unsigned high_bit_depth)24 av_cold void ff_xvid_idct_init_mips(IDCTDSPContext *c, AVCodecContext *avctx,
25 unsigned high_bit_depth)
26 {
27 int cpu_flags = av_get_cpu_flags();
28
29 if (have_mmi(cpu_flags)) {
30 if (!high_bit_depth) {
31 if (avctx->idct_algo == FF_IDCT_AUTO ||
32 avctx->idct_algo == FF_IDCT_XVID) {
33 c->idct_put = ff_xvid_idct_put_mmi;
34 c->idct_add = ff_xvid_idct_add_mmi;
35 c->idct = ff_xvid_idct_mmi;
36 c->perm_type = FF_IDCT_PERM_NONE;
37 }
38 }
39 }
40 }
41