Merge commit '502512ea0f179165782777265f441d4061ff6012'
[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
27 int ff_h264_find_start_code_candidate_armv6(const uint8_t *buf, int size);
28
29 void ff_h264_v_loop_filter_luma_neon(uint8_t *pix, int stride, int alpha,
30                                      int beta, int8_t *tc0);
31 void ff_h264_h_loop_filter_luma_neon(uint8_t *pix, int stride, int alpha,
32                                      int beta, int8_t *tc0);
33 void ff_h264_v_loop_filter_chroma_neon(uint8_t *pix, int stride, int alpha,
34                                        int beta, int8_t *tc0);
35 void ff_h264_h_loop_filter_chroma_neon(uint8_t *pix, int stride, int alpha,
36                                        int beta, int8_t *tc0);
37
38 void ff_weight_h264_pixels_16_neon(uint8_t *dst, int stride, int height,
39                                    int log2_den, int weight, int offset);
40 void ff_weight_h264_pixels_8_neon(uint8_t *dst, int stride, int height,
41                                   int log2_den, int weight, int offset);
42 void ff_weight_h264_pixels_4_neon(uint8_t *dst, int stride, int height,
43                                   int log2_den, int weight, int offset);
44
45 void ff_biweight_h264_pixels_16_neon(uint8_t *dst, uint8_t *src, int stride,
46                                      int height, int log2_den, int weightd,
47                                      int weights, int offset);
48 void ff_biweight_h264_pixels_8_neon(uint8_t *dst, uint8_t *src, int stride,
49                                     int height, int log2_den, int weightd,
50                                     int weights, int offset);
51 void ff_biweight_h264_pixels_4_neon(uint8_t *dst, uint8_t *src, int stride,
52                                     int height, int log2_den, int weightd,
53                                     int weights, int offset);
54
55 void ff_h264_idct_add_neon(uint8_t *dst, int16_t *block, int stride);
56 void ff_h264_idct_dc_add_neon(uint8_t *dst, int16_t *block, int stride);
57 void ff_h264_idct_add16_neon(uint8_t *dst, const int *block_offset,
58                              int16_t *block, int stride,
59                              const uint8_t nnzc[6*8]);
60 void ff_h264_idct_add16intra_neon(uint8_t *dst, const int *block_offset,
61                                   int16_t *block, int stride,
62                                   const uint8_t nnzc[6*8]);
63 void ff_h264_idct_add8_neon(uint8_t **dest, const int *block_offset,
64                             int16_t *block, int stride,
65                             const uint8_t nnzc[6*8]);
66
67 void ff_h264_idct8_add_neon(uint8_t *dst, int16_t *block, int stride);
68 void ff_h264_idct8_dc_add_neon(uint8_t *dst, int16_t *block, int stride);
69 void ff_h264_idct8_add4_neon(uint8_t *dst, const int *block_offset,
70                              int16_t *block, int stride,
71                              const uint8_t nnzc[6*8]);
72
73 static av_cold void h264dsp_init_neon(H264DSPContext *c, const int bit_depth,
74                                       const int chroma_format_idc)
75 {
76 #if HAVE_NEON
77     if (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         if(chroma_format_idc == 1){
81         c->h264_v_loop_filter_chroma = ff_h264_v_loop_filter_chroma_neon;
82         c->h264_h_loop_filter_chroma = ff_h264_h_loop_filter_chroma_neon;
83         }
84
85         c->weight_h264_pixels_tab[0] = ff_weight_h264_pixels_16_neon;
86         c->weight_h264_pixels_tab[1] = ff_weight_h264_pixels_8_neon;
87         c->weight_h264_pixels_tab[2] = ff_weight_h264_pixels_4_neon;
88
89         c->biweight_h264_pixels_tab[0] = ff_biweight_h264_pixels_16_neon;
90         c->biweight_h264_pixels_tab[1] = ff_biweight_h264_pixels_8_neon;
91         c->biweight_h264_pixels_tab[2] = ff_biweight_h264_pixels_4_neon;
92
93         c->h264_idct_add        = ff_h264_idct_add_neon;
94         c->h264_idct_dc_add     = ff_h264_idct_dc_add_neon;
95         c->h264_idct_add16      = ff_h264_idct_add16_neon;
96         c->h264_idct_add16intra = ff_h264_idct_add16intra_neon;
97         if (chroma_format_idc <= 1)
98             c->h264_idct_add8   = ff_h264_idct_add8_neon;
99         c->h264_idct8_add       = ff_h264_idct8_add_neon;
100         c->h264_idct8_dc_add    = ff_h264_idct8_dc_add_neon;
101         c->h264_idct8_add4      = ff_h264_idct8_add4_neon;
102     }
103 #endif // HAVE_NEON
104 }
105
106 av_cold void ff_h264dsp_init_arm(H264DSPContext *c, const int bit_depth,
107                                  const int chroma_format_idc)
108 {
109     int cpu_flags = av_get_cpu_flags();
110
111     if (have_armv6(cpu_flags))
112         c->h264_find_start_code_candidate = ff_h264_find_start_code_candidate_armv6;
113     if (have_neon(cpu_flags))
114         h264dsp_init_neon(c, bit_depth, chroma_format_idc);
115 }