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
28void ff_hevc_add_residual_4x4_8_neon(uint8_t *_dst, int16_t *coeffs,
29                                     ptrdiff_t stride);
30void ff_hevc_add_residual_4x4_10_neon(uint8_t *_dst, int16_t *coeffs,
31                                      ptrdiff_t stride);
32void ff_hevc_add_residual_8x8_8_neon(uint8_t *_dst, int16_t *coeffs,
33                                     ptrdiff_t stride);
34void ff_hevc_add_residual_8x8_10_neon(uint8_t *_dst, int16_t *coeffs,
35                                      ptrdiff_t stride);
36void ff_hevc_add_residual_16x16_8_neon(uint8_t *_dst, int16_t *coeffs,
37                                       ptrdiff_t stride);
38void ff_hevc_add_residual_16x16_10_neon(uint8_t *_dst, int16_t *coeffs,
39                                        ptrdiff_t stride);
40void ff_hevc_add_residual_32x32_8_neon(uint8_t *_dst, int16_t *coeffs,
41                                       ptrdiff_t stride);
42void ff_hevc_add_residual_32x32_10_neon(uint8_t *_dst, int16_t *coeffs,
43                                        ptrdiff_t stride);
44void ff_hevc_idct_8x8_8_neon(int16_t *coeffs, int col_limit);
45void ff_hevc_idct_8x8_10_neon(int16_t *coeffs, int col_limit);
46void ff_hevc_idct_16x16_8_neon(int16_t *coeffs, int col_limit);
47void ff_hevc_idct_16x16_10_neon(int16_t *coeffs, int col_limit);
48void ff_hevc_idct_4x4_dc_8_neon(int16_t *coeffs);
49void ff_hevc_idct_8x8_dc_8_neon(int16_t *coeffs);
50void ff_hevc_idct_16x16_dc_8_neon(int16_t *coeffs);
51void ff_hevc_idct_32x32_dc_8_neon(int16_t *coeffs);
52void ff_hevc_idct_4x4_dc_10_neon(int16_t *coeffs);
53void ff_hevc_idct_8x8_dc_10_neon(int16_t *coeffs);
54void ff_hevc_idct_16x16_dc_10_neon(int16_t *coeffs);
55void ff_hevc_idct_32x32_dc_10_neon(int16_t *coeffs);
56void 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);
60void 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);
62void 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
65av_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