1/*
2 * Copyright (c) 2021 Loongson Technology Corporation Limited
3 * Contributed by Hecai Yuan <yuanhecai@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/**
23 * @file
24 * VP8 compatible video decoder
25 */
26
27#include "libavutil/loongarch/cpu.h"
28#include "libavcodec/vp8dsp.h"
29#include "libavutil/attributes.h"
30#include "vp8dsp_loongarch.h"
31
32#define VP8_MC_LOONGARCH_FUNC(IDX, SIZE)                                          \
33    dsp->put_vp8_epel_pixels_tab[IDX][0][2] = ff_put_vp8_epel##SIZE##_h6_lsx;     \
34    dsp->put_vp8_epel_pixels_tab[IDX][1][0] = ff_put_vp8_epel##SIZE##_v4_lsx;     \
35    dsp->put_vp8_epel_pixels_tab[IDX][1][2] = ff_put_vp8_epel##SIZE##_h6v4_lsx;   \
36    dsp->put_vp8_epel_pixels_tab[IDX][2][0] = ff_put_vp8_epel##SIZE##_v6_lsx;     \
37    dsp->put_vp8_epel_pixels_tab[IDX][2][1] = ff_put_vp8_epel##SIZE##_h4v6_lsx;   \
38    dsp->put_vp8_epel_pixels_tab[IDX][2][2] = ff_put_vp8_epel##SIZE##_h6v6_lsx;
39
40#define VP8_MC_LOONGARCH_COPY(IDX, SIZE)                                          \
41    dsp->put_vp8_epel_pixels_tab[IDX][0][0] = ff_put_vp8_pixels##SIZE##_lsx;      \
42    dsp->put_vp8_bilinear_pixels_tab[IDX][0][0] = ff_put_vp8_pixels##SIZE##_lsx;
43
44av_cold void ff_vp8dsp_init_loongarch(VP8DSPContext *dsp)
45{
46    int cpu_flags = av_get_cpu_flags();
47
48    if (have_lsx(cpu_flags)) {
49        VP8_MC_LOONGARCH_FUNC(0, 16);
50        VP8_MC_LOONGARCH_FUNC(1, 8);
51
52        VP8_MC_LOONGARCH_COPY(0, 16);
53        VP8_MC_LOONGARCH_COPY(1, 8);
54
55        dsp->vp8_v_loop_filter16y = ff_vp8_v_loop_filter16_lsx;
56        dsp->vp8_h_loop_filter16y = ff_vp8_h_loop_filter16_lsx;
57        dsp->vp8_v_loop_filter8uv = ff_vp8_v_loop_filter8uv_lsx;
58        dsp->vp8_h_loop_filter8uv = ff_vp8_h_loop_filter8uv_lsx;
59
60        dsp->vp8_v_loop_filter16y_inner = ff_vp8_v_loop_filter16_inner_lsx;
61        dsp->vp8_h_loop_filter16y_inner = ff_vp8_h_loop_filter16_inner_lsx;
62    }
63}
64