avcodec/cbs_av1: keep separate reference frame state for reading and writing
[ffmpeg.git] / libavcodec / arm / h264dsp_init_arm.c
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/arm/cpu.h"
25 #include "libavcodec/h264dsp.h"
26 #include "libavcodec/arm/startcode.h"
27
28 void ff_h264_v_loop_filter_luma_neon(uint8_t *pix, ptrdiff_t stride, int alpha,
29                                      int beta, int8_t *tc0);
30 void ff_h264_h_loop_filter_luma_neon(uint8_t *pix, ptrdiff_t stride, int alpha,
31                                      int beta, int8_t *tc0);
32 void ff_h264_v_loop_filter_chroma_neon(uint8_t *pix, ptrdiff_t stride, int alpha,
33                                        int beta, int8_t *tc0);
34 void ff_h264_h_loop_filter_chroma_neon(uint8_t *pix, ptrdiff_t stride, int alpha,
35                                        int beta, int8_t *tc0);
36 void ff_h264_h_loop_filter_chroma422_neon(uint8_t *pix, ptrdiff_t stride, int alpha,
37                                           int beta, int8_t *tc0);
38
39 void ff_weight_h264_pixels_16_neon(uint8_t *dst, int stride, int height,
40                                    int log2_den, int weight, int offset);
41 void ff_weight_h264_pixels_8_neon(uint8_t *dst, int stride, int height,
42                                   int log2_den, int weight, int offset);
43 void ff_weight_h264_pixels_4_neon(uint8_t *dst, int stride, int height,
44                                   int log2_den, int weight, int offset);
45
46 void ff_biweight_h264_pixels_16_neon(uint8_t *dst, uint8_t *src, int stride,
47                                      int height, int log2_den, int weightd,
48                                      int weights, int offset);
49 void ff_biweight_h264_pixels_8_neon(uint8_t *dst, uint8_t *src, int stride,
50                                     int height, int log2_den, int weightd,
51                                     int weights, int offset);
52 void ff_biweight_h264_pixels_4_neon(uint8_t *dst, uint8_t *src, int stride,
53                                     int height, int log2_den, int weightd,
54                                     int weights, int offset);
55
56 void ff_h264_idct_add_neon(uint8_t *dst, int16_t *block, int stride);
57 void ff_h264_idct_dc_add_neon(uint8_t *dst, int16_t *block, int stride);
58 void ff_h264_idct_add16_neon(uint8_t *dst, const int *block_offset,
59                              int16_t *block, int stride,
60                              const uint8_t nnzc[6*8]);
61 void ff_h264_idct_add16intra_neon(uint8_t *dst, const int *block_offset,
62                                   int16_t *block, int stride,
63                                   const uint8_t nnzc[6*8]);
64 void ff_h264_idct_add8_neon(uint8_t **dest, const int *block_offset,
65                             int16_t *block, int stride,
66                             const uint8_t nnzc[6*8]);
67
68 void ff_h264_idct8_add_neon(uint8_t *dst, int16_t *block, int stride);
69 void ff_h264_idct8_dc_add_neon(uint8_t *dst, int16_t *block, int stride);
70 void ff_h264_idct8_add4_neon(uint8_t *dst, const int *block_offset,
71                              int16_t *block, int stride,
72                              const uint8_t nnzc[6*8]);
73
74 static av_cold void h264dsp_init_neon(H264DSPContext *c, const int bit_depth,
75                                       const int chroma_format_idc)
76 {
77 #if HAVE_NEON
78     if (bit_depth == 8) {
79         c->h264_v_loop_filter_luma   = ff_h264_v_loop_filter_luma_neon;
80         c->h264_h_loop_filter_luma   = ff_h264_h_loop_filter_luma_neon;
81         c->h264_v_loop_filter_chroma = ff_h264_v_loop_filter_chroma_neon;
82
83         if (chroma_format_idc <= 1)
84             c->h264_h_loop_filter_chroma = ff_h264_h_loop_filter_chroma_neon;
85         else
86             c->h264_h_loop_filter_chroma = ff_h264_h_loop_filter_chroma422_neon;
87
88         c->weight_h264_pixels_tab[0] = ff_weight_h264_pixels_16_neon;
89         c->weight_h264_pixels_tab[1] = ff_weight_h264_pixels_8_neon;
90         c->weight_h264_pixels_tab[2] = ff_weight_h264_pixels_4_neon;
91
92         c->biweight_h264_pixels_tab[0] = ff_biweight_h264_pixels_16_neon;
93         c->biweight_h264_pixels_tab[1] = ff_biweight_h264_pixels_8_neon;
94         c->biweight_h264_pixels_tab[2] = ff_biweight_h264_pixels_4_neon;
95
96         c->h264_idct_add        = ff_h264_idct_add_neon;
97         c->h264_idct_dc_add     = ff_h264_idct_dc_add_neon;
98         c->h264_idct_add16      = ff_h264_idct_add16_neon;
99         c->h264_idct_add16intra = ff_h264_idct_add16intra_neon;
100         if (chroma_format_idc <= 1)
101             c->h264_idct_add8   = ff_h264_idct_add8_neon;
102         c->h264_idct8_add       = ff_h264_idct8_add_neon;
103         c->h264_idct8_dc_add    = ff_h264_idct8_dc_add_neon;
104         c->h264_idct8_add4      = ff_h264_idct8_add4_neon;
105     }
106 #endif // HAVE_NEON
107 }
108
109 av_cold void ff_h264dsp_init_arm(H264DSPContext *c, const int bit_depth,
110                                  const int chroma_format_idc)
111 {
112     int cpu_flags = av_get_cpu_flags();
113
114 #if HAVE_ARMV6
115     if (have_setend(cpu_flags))
116         c->startcode_find_candidate = ff_startcode_find_candidate_armv6;
117 #endif
118     if (have_neon(cpu_flags))
119         h264dsp_init_neon(c, bit_depth, chroma_format_idc);
120 }