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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"
26 
28  int beta, int8_t *tc0);
30  int beta, int8_t *tc0);
32  int beta, int8_t *tc0);
34  int beta, int8_t *tc0);
35 
37  int log2_den, int weight, int offset);
39  int log2_den, int weight, int offset);
41  int log2_den, int weight, int offset);
42 
44  int height, int log2_den, int weightd,
45  int weights, int offset);
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);
52 
53 void ff_h264_idct_add_neon(uint8_t *dst, int16_t *block, int stride);
54 void ff_h264_idct_dc_add_neon(uint8_t *dst, int16_t *block, int stride);
55 void ff_h264_idct_add16_neon(uint8_t *dst, const int *block_offset,
56  int16_t *block, int stride,
57  const uint8_t nnzc[6*8]);
58 void ff_h264_idct_add16intra_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_add8_neon(uint8_t **dest, const int *block_offset,
62  int16_t *block, int stride,
63  const uint8_t nnzc[6*8]);
64 
65 void ff_h264_idct8_add_neon(uint8_t *dst, int16_t *block, int stride);
66 void ff_h264_idct8_dc_add_neon(uint8_t *dst, int16_t *block, int stride);
67 void ff_h264_idct8_add4_neon(uint8_t *dst, const int *block_offset,
68  int16_t *block, int stride,
69  const uint8_t nnzc[6*8]);
70 
71 static av_cold void h264dsp_init_neon(H264DSPContext *c, const int bit_depth,
72  const int chroma_format_idc)
73 {
74 #if HAVE_NEON
75  if (bit_depth == 8) {
78  if(chroma_format_idc == 1){
81  }
82 
86 
90 
95  if (chroma_format_idc == 1)
100  }
101 #endif // HAVE_NEON
102 }
103 
104 av_cold void ff_h264dsp_init_arm(H264DSPContext *c, const int bit_depth,
105  const int chroma_format_idc)
106 {
107  int cpu_flags = av_get_cpu_flags();
108 
109  if (have_neon(cpu_flags))
110  h264dsp_init_neon(c, bit_depth, chroma_format_idc);
111 }