1 /*
2  * Copyright (c) 2015 Zhou Xiaoyong <zhouxiaoyong@loongson.cn>
3  * Copyright (c) 2015 Shivraj Patil (Shivraj.Patil@imgtec.com)
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 "libavutil/mips/cpu.h"
23 #include "h264chroma_mips.h"
24 
25 
ff_h264chroma_init_mips(H264ChromaContext * c,int bit_depth)26 av_cold void ff_h264chroma_init_mips(H264ChromaContext *c, int bit_depth)
27 {
28     int cpu_flags = av_get_cpu_flags();
29     int high_bit_depth = bit_depth > 8;
30 
31     /* MMI apears to be faster than MSA here */
32     if (have_msa(cpu_flags)) {
33         if (!high_bit_depth) {
34             c->put_h264_chroma_pixels_tab[0] = ff_put_h264_chroma_mc8_msa;
35             c->put_h264_chroma_pixels_tab[1] = ff_put_h264_chroma_mc4_msa;
36             c->put_h264_chroma_pixels_tab[2] = ff_put_h264_chroma_mc2_msa;
37 
38             c->avg_h264_chroma_pixels_tab[0] = ff_avg_h264_chroma_mc8_msa;
39             c->avg_h264_chroma_pixels_tab[1] = ff_avg_h264_chroma_mc4_msa;
40             c->avg_h264_chroma_pixels_tab[2] = ff_avg_h264_chroma_mc2_msa;
41         }
42     }
43 
44     if (have_mmi(cpu_flags)) {
45         if (!high_bit_depth) {
46             c->put_h264_chroma_pixels_tab[0] = ff_put_h264_chroma_mc8_mmi;
47             c->avg_h264_chroma_pixels_tab[0] = ff_avg_h264_chroma_mc8_mmi;
48             c->put_h264_chroma_pixels_tab[1] = ff_put_h264_chroma_mc4_mmi;
49             c->avg_h264_chroma_pixels_tab[1] = ff_avg_h264_chroma_mc4_mmi;
50         }
51     }
52 }
53