1/*
2 * Copyright (c) 2009 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/aarch64/cpu.h"
25#include "libavcodec/avcodec.h"
26#include "libavcodec/h264pred.h"
27
28void ff_pred16x16_vert_neon(uint8_t *src, ptrdiff_t stride);
29void ff_pred16x16_hor_neon(uint8_t *src, ptrdiff_t stride);
30void ff_pred16x16_plane_neon(uint8_t *src, ptrdiff_t stride);
31void ff_pred16x16_dc_neon(uint8_t *src, ptrdiff_t stride);
32void ff_pred16x16_128_dc_neon(uint8_t *src, ptrdiff_t stride);
33void ff_pred16x16_left_dc_neon(uint8_t *src, ptrdiff_t stride);
34void ff_pred16x16_top_dc_neon(uint8_t *src, ptrdiff_t stride);
35
36void ff_pred8x8_vert_neon(uint8_t *src, ptrdiff_t stride);
37void ff_pred8x8_hor_neon(uint8_t *src, ptrdiff_t stride);
38void ff_pred8x8_plane_neon(uint8_t *src, ptrdiff_t stride);
39void ff_pred8x8_dc_neon(uint8_t *src, ptrdiff_t stride);
40void ff_pred8x8_128_dc_neon(uint8_t *src, ptrdiff_t stride);
41void ff_pred8x8_left_dc_neon(uint8_t *src, ptrdiff_t stride);
42void ff_pred8x8_top_dc_neon(uint8_t *src, ptrdiff_t stride);
43void ff_pred8x8_l0t_dc_neon(uint8_t *src, ptrdiff_t stride);
44void ff_pred8x8_0lt_dc_neon(uint8_t *src, ptrdiff_t stride);
45void ff_pred8x8_l00_dc_neon(uint8_t *src, ptrdiff_t stride);
46void ff_pred8x8_0l0_dc_neon(uint8_t *src, ptrdiff_t stride);
47
48void ff_pred16x16_vert_neon_10(uint8_t *src, ptrdiff_t stride);
49void ff_pred16x16_hor_neon_10(uint8_t *src, ptrdiff_t stride);
50void ff_pred16x16_plane_neon_10(uint8_t *src, ptrdiff_t stride);
51void ff_pred16x16_dc_neon_10(uint8_t *src, ptrdiff_t stride);
52void ff_pred16x16_top_dc_neon_10(uint8_t *src, ptrdiff_t stride);
53
54void ff_pred8x8_vert_neon_10(uint8_t *src, ptrdiff_t stride);
55void ff_pred8x8_hor_neon_10(uint8_t *src, ptrdiff_t stride);
56void ff_pred8x8_plane_neon_10(uint8_t *src, ptrdiff_t stride);
57void ff_pred8x8_dc_neon_10(uint8_t *src, ptrdiff_t stride);
58void ff_pred8x8_128_dc_neon_10(uint8_t *src, ptrdiff_t stride);
59void ff_pred8x8_left_dc_neon_10(uint8_t *src, ptrdiff_t stride);
60void ff_pred8x8_top_dc_neon_10(uint8_t *src, ptrdiff_t stride);
61void ff_pred8x8_l0t_dc_neon_10(uint8_t *src, ptrdiff_t stride);
62void ff_pred8x8_0lt_dc_neon_10(uint8_t *src, ptrdiff_t stride);
63void ff_pred8x8_l00_dc_neon_10(uint8_t *src, ptrdiff_t stride);
64void ff_pred8x8_0l0_dc_neon_10(uint8_t *src, ptrdiff_t stride);
65
66static av_cold void h264_pred_init_neon(H264PredContext *h, int codec_id,
67                                        const int bit_depth,
68                                        const int chroma_format_idc)
69{
70    if (bit_depth == 8) {
71        if (chroma_format_idc <= 1) {
72            h->pred8x8[VERT_PRED8x8     ] = ff_pred8x8_vert_neon;
73            h->pred8x8[HOR_PRED8x8      ] = ff_pred8x8_hor_neon;
74            if (codec_id != AV_CODEC_ID_VP7 && codec_id != AV_CODEC_ID_VP8)
75                h->pred8x8[PLANE_PRED8x8] = ff_pred8x8_plane_neon;
76            h->pred8x8[DC_128_PRED8x8   ] = ff_pred8x8_128_dc_neon;
77            if (codec_id != AV_CODEC_ID_RV40 && codec_id != AV_CODEC_ID_VP7 &&
78                codec_id != AV_CODEC_ID_VP8) {
79                h->pred8x8[DC_PRED8x8     ] = ff_pred8x8_dc_neon;
80                h->pred8x8[LEFT_DC_PRED8x8] = ff_pred8x8_left_dc_neon;
81                h->pred8x8[TOP_DC_PRED8x8 ] = ff_pred8x8_top_dc_neon;
82                h->pred8x8[ALZHEIMER_DC_L0T_PRED8x8] = ff_pred8x8_l0t_dc_neon;
83                h->pred8x8[ALZHEIMER_DC_0LT_PRED8x8] = ff_pred8x8_0lt_dc_neon;
84                h->pred8x8[ALZHEIMER_DC_L00_PRED8x8] = ff_pred8x8_l00_dc_neon;
85                h->pred8x8[ALZHEIMER_DC_0L0_PRED8x8] = ff_pred8x8_0l0_dc_neon;
86            }
87        }
88
89        h->pred16x16[DC_PRED8x8     ] = ff_pred16x16_dc_neon;
90        h->pred16x16[VERT_PRED8x8   ] = ff_pred16x16_vert_neon;
91        h->pred16x16[HOR_PRED8x8    ] = ff_pred16x16_hor_neon;
92        h->pred16x16[LEFT_DC_PRED8x8] = ff_pred16x16_left_dc_neon;
93        h->pred16x16[TOP_DC_PRED8x8 ] = ff_pred16x16_top_dc_neon;
94        h->pred16x16[DC_128_PRED8x8 ] = ff_pred16x16_128_dc_neon;
95        if (codec_id != AV_CODEC_ID_SVQ3 && codec_id != AV_CODEC_ID_RV40 &&
96            codec_id != AV_CODEC_ID_VP7 && codec_id != AV_CODEC_ID_VP8)
97            h->pred16x16[PLANE_PRED8x8  ] = ff_pred16x16_plane_neon;
98    }
99    if (bit_depth == 10) {
100        if (chroma_format_idc <= 1) {
101            h->pred8x8[VERT_PRED8x8     ] = ff_pred8x8_vert_neon_10;
102            h->pred8x8[HOR_PRED8x8      ] = ff_pred8x8_hor_neon_10;
103            if (codec_id != AV_CODEC_ID_VP7 && codec_id != AV_CODEC_ID_VP8)
104                h->pred8x8[PLANE_PRED8x8] = ff_pred8x8_plane_neon_10;
105            h->pred8x8[DC_128_PRED8x8   ] = ff_pred8x8_128_dc_neon_10;
106            if (codec_id != AV_CODEC_ID_RV40 && codec_id != AV_CODEC_ID_VP7 &&
107                codec_id != AV_CODEC_ID_VP8) {
108                h->pred8x8[DC_PRED8x8     ] = ff_pred8x8_dc_neon_10;
109                h->pred8x8[LEFT_DC_PRED8x8] = ff_pred8x8_left_dc_neon_10;
110                h->pred8x8[TOP_DC_PRED8x8 ] = ff_pred8x8_top_dc_neon_10;
111                h->pred8x8[ALZHEIMER_DC_L0T_PRED8x8] = ff_pred8x8_l0t_dc_neon_10;
112                h->pred8x8[ALZHEIMER_DC_0LT_PRED8x8] = ff_pred8x8_0lt_dc_neon_10;
113                h->pred8x8[ALZHEIMER_DC_L00_PRED8x8] = ff_pred8x8_l00_dc_neon_10;
114                h->pred8x8[ALZHEIMER_DC_0L0_PRED8x8] = ff_pred8x8_0l0_dc_neon_10;
115            }
116        }
117
118        h->pred16x16[DC_PRED8x8     ] = ff_pred16x16_dc_neon_10;
119        h->pred16x16[VERT_PRED8x8   ] = ff_pred16x16_vert_neon_10;
120        h->pred16x16[HOR_PRED8x8    ] = ff_pred16x16_hor_neon_10;
121        h->pred16x16[TOP_DC_PRED8x8 ] = ff_pred16x16_top_dc_neon_10;
122        if (codec_id != AV_CODEC_ID_SVQ3 && codec_id != AV_CODEC_ID_RV40 &&
123            codec_id != AV_CODEC_ID_VP7 && codec_id != AV_CODEC_ID_VP8)
124            h->pred16x16[PLANE_PRED8x8  ] = ff_pred16x16_plane_neon_10;
125    }
126}
127
128av_cold void ff_h264_pred_init_aarch64(H264PredContext *h, int codec_id,
129                                       int bit_depth, const int chroma_format_idc)
130{
131    int cpu_flags = av_get_cpu_flags();
132
133    if (have_neon(cpu_flags))
134        h264_pred_init_neon(h, codec_id, bit_depth, chroma_format_idc);
135}
136