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
h264dsp_init_neon(H264DSPContext * c,const int bit_depth,const int chroma_format_idc)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
ff_h264dsp_init_arm(H264DSPContext * c,const int bit_depth,const int chroma_format_idc)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 }
121