1 /*
2  * Copyright (c) 2020 Reimar Döffinger
3  *
4  * This file is part of FFmpeg.
5  *
6  * FFmpeg is free software; you can redistribute it and/or
7  * modify it under the terms of the GNU Lesser General Public
8  * License as published by the Free Software Foundation; either
9  * version 2.1 of the License, or (at your option) any later version.
10  *
11  * FFmpeg is distributed in the hope that it will be useful,
12  * but WITHOUT ANY WARRANTY; without even the implied warranty of
13  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
14  * Lesser General Public License for more details.
15  *
16  * You should have received a copy of the GNU Lesser General Public
17  * License along with FFmpeg; if not, write to the Free Software
18  * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
19  */
20 
21 #include <stdint.h>
22 
23 #include "libavutil/attributes.h"
24 #include "libavutil/cpu.h"
25 #include "libavutil/aarch64/cpu.h"
26 #include "libavcodec/hevcdsp.h"
27 
28 void ff_hevc_add_residual_4x4_8_neon(uint8_t *_dst, int16_t *coeffs,
29                                      ptrdiff_t stride);
30 void ff_hevc_add_residual_4x4_10_neon(uint8_t *_dst, int16_t *coeffs,
31                                       ptrdiff_t stride);
32 void ff_hevc_add_residual_8x8_8_neon(uint8_t *_dst, int16_t *coeffs,
33                                      ptrdiff_t stride);
34 void ff_hevc_add_residual_8x8_10_neon(uint8_t *_dst, int16_t *coeffs,
35                                       ptrdiff_t stride);
36 void ff_hevc_add_residual_16x16_8_neon(uint8_t *_dst, int16_t *coeffs,
37                                        ptrdiff_t stride);
38 void ff_hevc_add_residual_16x16_10_neon(uint8_t *_dst, int16_t *coeffs,
39                                         ptrdiff_t stride);
40 void ff_hevc_add_residual_32x32_8_neon(uint8_t *_dst, int16_t *coeffs,
41                                        ptrdiff_t stride);
42 void ff_hevc_add_residual_32x32_10_neon(uint8_t *_dst, int16_t *coeffs,
43                                         ptrdiff_t stride);
44 void ff_hevc_idct_8x8_8_neon(int16_t *coeffs, int col_limit);
45 void ff_hevc_idct_8x8_10_neon(int16_t *coeffs, int col_limit);
46 void ff_hevc_idct_16x16_8_neon(int16_t *coeffs, int col_limit);
47 void ff_hevc_idct_16x16_10_neon(int16_t *coeffs, int col_limit);
48 void ff_hevc_idct_4x4_dc_8_neon(int16_t *coeffs);
49 void ff_hevc_idct_8x8_dc_8_neon(int16_t *coeffs);
50 void ff_hevc_idct_16x16_dc_8_neon(int16_t *coeffs);
51 void ff_hevc_idct_32x32_dc_8_neon(int16_t *coeffs);
52 void ff_hevc_idct_4x4_dc_10_neon(int16_t *coeffs);
53 void ff_hevc_idct_8x8_dc_10_neon(int16_t *coeffs);
54 void ff_hevc_idct_16x16_dc_10_neon(int16_t *coeffs);
55 void ff_hevc_idct_32x32_dc_10_neon(int16_t *coeffs);
56 void ff_hevc_sao_band_filter_8x8_8_neon(uint8_t *_dst, uint8_t *_src,
57                                   ptrdiff_t stride_dst, ptrdiff_t stride_src,
58                                   int16_t *sao_offset_val, int sao_left_class,
59                                   int width, int height);
60 void ff_hevc_sao_edge_filter_16x16_8_neon(uint8_t *dst, uint8_t *src, ptrdiff_t stride_dst,
61                                           int16_t *sao_offset_val, int eo, int width, int height);
62 void ff_hevc_sao_edge_filter_8x8_8_neon(uint8_t *dst, uint8_t *src, ptrdiff_t stride_dst,
63                                           int16_t *sao_offset_val, int eo, int width, int height);
64 
ff_hevc_dsp_init_aarch64(HEVCDSPContext *c, const int bit_depth)65 av_cold void ff_hevc_dsp_init_aarch64(HEVCDSPContext *c, const int bit_depth)
66 {
67     if (!have_neon(av_get_cpu_flags())) return;
68 
69     if (bit_depth == 8) {
70         c->add_residual[0]             = ff_hevc_add_residual_4x4_8_neon;
71         c->add_residual[1]             = ff_hevc_add_residual_8x8_8_neon;
72         c->add_residual[2]             = ff_hevc_add_residual_16x16_8_neon;
73         c->add_residual[3]             = ff_hevc_add_residual_32x32_8_neon;
74         c->idct[1]                     = ff_hevc_idct_8x8_8_neon;
75         c->idct[2]                     = ff_hevc_idct_16x16_8_neon;
76         c->idct_dc[0]                  = ff_hevc_idct_4x4_dc_8_neon;
77         c->idct_dc[1]                  = ff_hevc_idct_8x8_dc_8_neon;
78         c->idct_dc[2]                  = ff_hevc_idct_16x16_dc_8_neon;
79         c->idct_dc[3]                  = ff_hevc_idct_32x32_dc_8_neon;
80         c->sao_band_filter[0]          =
81         c->sao_band_filter[1]          =
82         c->sao_band_filter[2]          =
83         c->sao_band_filter[3]          =
84         c->sao_band_filter[4]          = ff_hevc_sao_band_filter_8x8_8_neon;
85         c->sao_edge_filter[0]          = ff_hevc_sao_edge_filter_8x8_8_neon;
86         c->sao_edge_filter[1]          =
87         c->sao_edge_filter[2]          =
88         c->sao_edge_filter[3]          =
89         c->sao_edge_filter[4]          = ff_hevc_sao_edge_filter_16x16_8_neon;
90     }
91     if (bit_depth == 10) {
92         c->add_residual[0]             = ff_hevc_add_residual_4x4_10_neon;
93         c->add_residual[1]             = ff_hevc_add_residual_8x8_10_neon;
94         c->add_residual[2]             = ff_hevc_add_residual_16x16_10_neon;
95         c->add_residual[3]             = ff_hevc_add_residual_32x32_10_neon;
96         c->idct[1]                     = ff_hevc_idct_8x8_10_neon;
97         c->idct[2]                     = ff_hevc_idct_16x16_10_neon;
98         c->idct_dc[0]                  = ff_hevc_idct_4x4_dc_10_neon;
99         c->idct_dc[1]                  = ff_hevc_idct_8x8_dc_10_neon;
100         c->idct_dc[2]                  = ff_hevc_idct_16x16_dc_10_neon;
101         c->idct_dc[3]                  = ff_hevc_idct_32x32_dc_10_neon;
102     }
103 }
104