1 /*
2 * Copyright (c) 2021 Loongson Technology Corporation Limited
3 * Contributed by Shiyou Yin <yinshiyou-hf@loongson.cn>
4 * Xiwei Gu <guxiwei-hf@loongson.cn>
5 *
6 * This file is part of FFmpeg.
7 *
8 * FFmpeg is free software; you can redistribute it and/or
9 * modify it under the terms of the GNU Lesser General Public
10 * License as published by the Free Software Foundation; either
11 * version 2.1 of the License, or (at your option) any later version.
12 *
13 * FFmpeg is distributed in the hope that it will be useful,
14 * but WITHOUT ANY WARRANTY; without even the implied warranty of
15 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
16 * Lesser General Public License for more details.
17 *
18 * You should have received a copy of the GNU Lesser General Public
19 * License along with FFmpeg; if not, write to the Free Software
20 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
21 */
22
23 #include "libavutil/loongarch/cpu.h"
24 #include "h264dsp_lasx.h"
25
ff_h264dsp_init_loongarch(H264DSPContext * c,const int bit_depth,const int chroma_format_idc)26 av_cold void ff_h264dsp_init_loongarch(H264DSPContext *c, const int bit_depth,
27 const int chroma_format_idc)
28 {
29 int cpu_flags = av_get_cpu_flags();
30
31 if (have_lasx(cpu_flags)) {
32 if (chroma_format_idc <= 1)
33 c->h264_loop_filter_strength = ff_h264_loop_filter_strength_lasx;
34 if (bit_depth == 8) {
35 c->h264_add_pixels4_clear = ff_h264_add_pixels4_8_lasx;
36 c->h264_add_pixels8_clear = ff_h264_add_pixels8_8_lasx;
37 c->h264_v_loop_filter_luma = ff_h264_v_lpf_luma_8_lasx;
38 c->h264_h_loop_filter_luma = ff_h264_h_lpf_luma_8_lasx;
39 c->h264_v_loop_filter_luma_intra = ff_h264_v_lpf_luma_intra_8_lasx;
40 c->h264_h_loop_filter_luma_intra = ff_h264_h_lpf_luma_intra_8_lasx;
41 c->h264_v_loop_filter_chroma = ff_h264_v_lpf_chroma_8_lasx;
42
43 if (chroma_format_idc <= 1)
44 c->h264_h_loop_filter_chroma = ff_h264_h_lpf_chroma_8_lasx;
45 c->h264_v_loop_filter_chroma_intra = ff_h264_v_lpf_chroma_intra_8_lasx;
46
47 if (chroma_format_idc <= 1)
48 c->h264_h_loop_filter_chroma_intra = ff_h264_h_lpf_chroma_intra_8_lasx;
49
50 /* Weighted MC */
51 c->weight_h264_pixels_tab[0] = ff_weight_h264_pixels16_8_lasx;
52 c->weight_h264_pixels_tab[1] = ff_weight_h264_pixels8_8_lasx;
53 c->weight_h264_pixels_tab[2] = ff_weight_h264_pixels4_8_lasx;
54
55 c->biweight_h264_pixels_tab[0] = ff_biweight_h264_pixels16_8_lasx;
56 c->biweight_h264_pixels_tab[1] = ff_biweight_h264_pixels8_8_lasx;
57 c->biweight_h264_pixels_tab[2] = ff_biweight_h264_pixels4_8_lasx;
58
59 c->h264_idct_add = ff_h264_idct_add_lasx;
60 c->h264_idct8_add = ff_h264_idct8_addblk_lasx;
61 c->h264_idct_dc_add = ff_h264_idct4x4_addblk_dc_lasx;
62 c->h264_idct8_dc_add = ff_h264_idct8_dc_addblk_lasx;
63 c->h264_idct_add16 = ff_h264_idct_add16_lasx;
64 c->h264_idct8_add4 = ff_h264_idct8_add4_lasx;
65
66 if (chroma_format_idc <= 1)
67 c->h264_idct_add8 = ff_h264_idct_add8_lasx;
68 else
69 c->h264_idct_add8 = ff_h264_idct_add8_422_lasx;
70
71 c->h264_idct_add16intra = ff_h264_idct_add16_intra_lasx;
72 c->h264_luma_dc_dequant_idct = ff_h264_deq_idct_luma_dc_lasx;
73 }
74 }
75 }
76