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
ff_vp8dsp_init_loongarch(VP8DSPContext * dsp)44 av_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