FFmpeg  4.4.6
h264dsp_init_arm.c
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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"
27 
29  int beta, int8_t *tc0);
31  int beta, int8_t *tc0);
33  int beta, int8_t *tc0);
35  int beta, int8_t *tc0);
37  int beta, int8_t *tc0);
38 
40  int log2_den, int weight, int offset);
42  int log2_den, int weight, int offset);
44  int log2_den, int weight, int offset);
45 
47  int height, int log2_den, int weightd,
48  int weights, int offset);
50  int height, int log2_den, int weightd,
51  int weights, int offset);
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 
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 
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 }
#define have_neon(flags)
Definition: cpu.h:26
static void bit_depth(AudioStatsContext *s, uint64_t mask, uint64_t imask, AVRational *depth)
Definition: af_astats.c:254
#define have_setend(flags)
Definition: cpu.h:31
int ff_startcode_find_candidate_armv6(const uint8_t *buf, int size)
Macro definitions for various function/variable attributes.
#define av_cold
Definition: attributes.h:88
uint8_t
static atomic_int cpu_flags
Definition: cpu.c:50
int av_get_cpu_flags(void)
Return the flags which specify extensions supported by the CPU.
Definition: cpu.c:95
H.264 DSP functions.
void ff_weight_h264_pixels_4_neon(uint8_t *dst, int stride, int height, int log2_den, int weight, int offset)
av_cold void ff_h264dsp_init_arm(H264DSPContext *c, const int bit_depth, const int chroma_format_idc)
void ff_h264_idct_add16_neon(uint8_t *dst, const int *block_offset, int16_t *block, int stride, const uint8_t nnzc[6 *8])
void ff_h264_idct_add16intra_neon(uint8_t *dst, const int *block_offset, int16_t *block, int stride, const uint8_t nnzc[6 *8])
void ff_h264_idct8_dc_add_neon(uint8_t *dst, int16_t *block, int stride)
void ff_biweight_h264_pixels_8_neon(uint8_t *dst, uint8_t *src, int stride, int height, int log2_den, int weightd, int weights, int offset)
void ff_h264_v_loop_filter_luma_neon(uint8_t *pix, ptrdiff_t stride, int alpha, int beta, int8_t *tc0)
void ff_h264_idct_add8_neon(uint8_t **dest, const int *block_offset, int16_t *block, int stride, const uint8_t nnzc[6 *8])
void ff_h264_idct8_add4_neon(uint8_t *dst, const int *block_offset, int16_t *block, int stride, const uint8_t nnzc[6 *8])
void ff_h264_h_loop_filter_chroma_neon(uint8_t *pix, ptrdiff_t stride, int alpha, int beta, int8_t *tc0)
static av_cold void h264dsp_init_neon(H264DSPContext *c, const int bit_depth, const int chroma_format_idc)
void ff_h264_idct_dc_add_neon(uint8_t *dst, int16_t *block, int stride)
void ff_weight_h264_pixels_8_neon(uint8_t *dst, int stride, int height, int log2_den, int weight, int offset)
void ff_h264_idct_add_neon(uint8_t *dst, int16_t *block, int stride)
void ff_h264_v_loop_filter_chroma_neon(uint8_t *pix, ptrdiff_t stride, int alpha, int beta, int8_t *tc0)
void ff_h264_h_loop_filter_luma_neon(uint8_t *pix, ptrdiff_t stride, int alpha, int beta, int8_t *tc0)
void ff_h264_idct8_add_neon(uint8_t *dst, int16_t *block, int stride)
void ff_h264_h_loop_filter_chroma422_neon(uint8_t *pix, ptrdiff_t stride, int alpha, int beta, int8_t *tc0)
void ff_biweight_h264_pixels_4_neon(uint8_t *dst, uint8_t *src, int stride, int height, int log2_den, int weightd, int weights, int offset)
void ff_biweight_h264_pixels_16_neon(uint8_t *dst, uint8_t *src, int stride, int height, int log2_den, int weightd, int weights, int offset)
void ff_weight_h264_pixels_16_neon(uint8_t *dst, int stride, int height, int log2_den, int weight, int offset)
static const int weights[]
Definition: hevc_pel.c:32
static const int16_t alpha[]
Definition: ilbcdata.h:55
static int weight(int i, int blen, int offset)
Definition: diracdec.c:1561
int stride
Definition: mace.c:144
Context for storing H.264 DSP functions.
Definition: h264dsp.h:42
#define src
Definition: vp8dsp.c:255
static int16_t block[64]
Definition: dct.c:116
#define height
static const uint8_t offset[127][2]
Definition: vf_spp.c:107
static double c[64]