1 /*
2 * Copyright (c) 2020 Loongson Technology Corporation Limited
3 * Contributed by Shiyou Yin <yinshiyou-hf@loongson.cn>
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 "h264chroma_lasx.h"
23 #include "libavutil/attributes.h"
24 #include "libavutil/loongarch/cpu.h"
25 #include "libavcodec/h264chroma.h"
26
ff_h264chroma_init_loongarch(H264ChromaContext *c, int bit_depth)27 av_cold void ff_h264chroma_init_loongarch(H264ChromaContext *c, int bit_depth)
28 {
29 int cpu_flags = av_get_cpu_flags();
30 if (have_lasx(cpu_flags)) {
31 if (bit_depth <= 8) {
32 c->put_h264_chroma_pixels_tab[0] = ff_put_h264_chroma_mc8_lasx;
33 c->avg_h264_chroma_pixels_tab[0] = ff_avg_h264_chroma_mc8_lasx;
34 c->put_h264_chroma_pixels_tab[1] = ff_put_h264_chroma_mc4_lasx;
35 }
36 }
37 }
38