1/*
2 * Copyright (c) 2010 Mans Rullgard <mans@mansr.com>
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/h264dsp.h"
27
28void ff_h264_v_loop_filter_luma_neon(uint8_t *pix, int stride, int alpha,
29                                     int beta, int8_t *tc0);
30void ff_h264_h_loop_filter_luma_neon(uint8_t *pix, int stride, int alpha,
31                                     int beta, int8_t *tc0);
32void ff_h264_v_loop_filter_chroma_neon(uint8_t *pix, int stride, int alpha,
33                                       int beta, int8_t *tc0);
34void ff_h264_h_loop_filter_chroma_neon(uint8_t *pix, int stride, int alpha,
35                                       int beta, int8_t *tc0);
36
37void ff_weight_h264_pixels_16_neon(uint8_t *dst, int stride, int height,
38                                   int log2_den, int weight, int offset);
39void ff_weight_h264_pixels_8_neon(uint8_t *dst, int stride, int height,
40                                  int log2_den, int weight, int offset);
41void ff_weight_h264_pixels_4_neon(uint8_t *dst, int stride, int height,
42                                  int log2_den, int weight, int offset);
43
44void ff_biweight_h264_pixels_16_neon(uint8_t *dst, uint8_t *src, int stride,
45                                     int height, int log2_den, int weightd,
46                                     int weights, int offset);
47void ff_biweight_h264_pixels_8_neon(uint8_t *dst, uint8_t *src, int stride,
48                                    int height, int log2_den, int weightd,
49                                    int weights, int offset);
50void ff_biweight_h264_pixels_4_neon(uint8_t *dst, uint8_t *src, int stride,
51                                    int height, int log2_den, int weightd,
52                                    int weights, int offset);
53
54void ff_h264_idct_add_neon(uint8_t *dst, int16_t *block, int stride);
55void ff_h264_idct_dc_add_neon(uint8_t *dst, int16_t *block, int stride);
56void ff_h264_idct_add16_neon(uint8_t *dst, const int *block_offset,
57                             int16_t *block, int stride,
58                             const uint8_t nnzc[6*8]);
59void ff_h264_idct_add16intra_neon(uint8_t *dst, const int *block_offset,
60                                  int16_t *block, int stride,
61                                  const uint8_t nnzc[6*8]);
62void ff_h264_idct_add8_neon(uint8_t **dest, const int *block_offset,
63                            int16_t *block, int stride,
64                            const uint8_t nnzc[6*8]);
65
66void ff_h264_idct8_add_neon(uint8_t *dst, int16_t *block, int stride);
67void ff_h264_idct8_dc_add_neon(uint8_t *dst, int16_t *block, int stride);
68void ff_h264_idct8_add4_neon(uint8_t *dst, const int *block_offset,
69                             int16_t *block, int stride,
70                             const uint8_t nnzc[6*8]);
71
72av_cold void ff_h264dsp_init_aarch64(H264DSPContext *c, const int bit_depth,
73                                     const int chroma_format_idc)
74{
75    int cpu_flags = av_get_cpu_flags();
76
77    if (have_neon(cpu_flags) && bit_depth == 8) {
78        c->h264_v_loop_filter_luma   = ff_h264_v_loop_filter_luma_neon;
79        c->h264_h_loop_filter_luma   = ff_h264_h_loop_filter_luma_neon;
80        c->h264_v_loop_filter_chroma = ff_h264_v_loop_filter_chroma_neon;
81        c->h264_h_loop_filter_chroma = ff_h264_h_loop_filter_chroma_neon;
82
83        c->weight_h264_pixels_tab[0] = ff_weight_h264_pixels_16_neon;
84        c->weight_h264_pixels_tab[1] = ff_weight_h264_pixels_8_neon;
85        c->weight_h264_pixels_tab[2] = ff_weight_h264_pixels_4_neon;
86
87        c->biweight_h264_pixels_tab[0] = ff_biweight_h264_pixels_16_neon;
88        c->biweight_h264_pixels_tab[1] = ff_biweight_h264_pixels_8_neon;
89        c->biweight_h264_pixels_tab[2] = ff_biweight_h264_pixels_4_neon;
90
91        c->h264_idct_add        = ff_h264_idct_add_neon;
92        c->h264_idct_dc_add     = ff_h264_idct_dc_add_neon;
93        c->h264_idct_add16      = ff_h264_idct_add16_neon;
94        c->h264_idct_add16intra = ff_h264_idct_add16intra_neon;
95        if (chroma_format_idc <= 1)
96            c->h264_idct_add8   = ff_h264_idct_add8_neon;
97        c->h264_idct8_add       = ff_h264_idct8_add_neon;
98        c->h264_idct8_dc_add    = ff_h264_idct8_dc_add_neon;
99        c->h264_idct8_add4      = ff_h264_idct8_add4_neon;
100    }
101}
102