Libav
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 Libav.
5  *
6  * Libav 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  * Libav 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 Libav; 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 
28 void ff_h264_v_loop_filter_luma_neon(uint8_t *pix, int stride, int alpha,
29  int beta, int8_t *tc0);
30 void ff_h264_h_loop_filter_luma_neon(uint8_t *pix, int stride, int alpha,
31  int beta, int8_t *tc0);
32 void ff_h264_v_loop_filter_chroma_neon(uint8_t *pix, int stride, int alpha,
33  int beta, int8_t *tc0);
34 void ff_h264_h_loop_filter_chroma_neon(uint8_t *pix, int stride, int alpha,
35  int beta, int8_t *tc0);
36 
38  int log2_den, int weight, int offset);
40  int log2_den, int weight, int offset);
42  int log2_den, int weight, int offset);
43 
45  int height, int log2_den, int weightd,
46  int weights, int offset);
48  int height, int log2_den, int weightd,
49  int weights, int offset);
51  int height, int log2_den, int weightd,
52  int weights, int offset);
53 
54 void ff_h264_idct_add_neon(uint8_t *dst, int16_t *block, int stride);
55 void ff_h264_idct_dc_add_neon(uint8_t *dst, int16_t *block, int stride);
56 void ff_h264_idct_add16_neon(uint8_t *dst, const int *block_offset,
57  int16_t *block, int stride,
58  const uint8_t nnzc[6*8]);
59 void ff_h264_idct_add16intra_neon(uint8_t *dst, const int *block_offset,
60  int16_t *block, int stride,
61  const uint8_t nnzc[6*8]);
62 void ff_h264_idct_add8_neon(uint8_t **dest, const int *block_offset,
63  int16_t *block, int stride,
64  const uint8_t nnzc[6*8]);
65 
66 void ff_h264_idct8_add_neon(uint8_t *dst, int16_t *block, int stride);
67 void ff_h264_idct8_dc_add_neon(uint8_t *dst, int16_t *block, int stride);
68 void ff_h264_idct8_add4_neon(uint8_t *dst, const int *block_offset,
69  int16_t *block, int stride,
70  const uint8_t nnzc[6*8]);
71 
72 static av_cold void h264dsp_init_neon(H264DSPContext *c, const int bit_depth,
73  const int chroma_format_idc)
74 {
75  if (bit_depth == 8) {
80 
84 
88 
93  if (chroma_format_idc <= 1)
98  }
99 }
100 
101 av_cold void ff_h264dsp_init_arm(H264DSPContext *c, const int bit_depth,
102  const int chroma_format_idc)
103 {
104  int cpu_flags = av_get_cpu_flags();
105 
106  if (have_setend(cpu_flags))
108  if (have_neon(cpu_flags))
109  h264dsp_init_neon(c, bit_depth, chroma_format_idc);
110 }
void ff_h264_v_loop_filter_luma_neon(uint8_t *pix, int stride, int alpha, int beta, int8_t *tc0)
void ff_h264_idct_add16intra_neon(uint8_t *dst, const int *block_offset, int16_t *block, int stride, const uint8_t nnzc[6 *8])
int stride
Definition: mace.c:144
H.264 DSP functions.
void ff_h264_idct_dc_add_neon(uint8_t *dst, int16_t *block, int stride)
av_cold void ff_h264dsp_init_arm(H264DSPContext *c, const int bit_depth, const int chroma_format_idc)
uint8_t
h264_weight_func weight_h264_pixels_tab[4]
Definition: h264dsp.h:43
void ff_h264_v_loop_filter_chroma_neon(uint8_t *pix, int stride, int alpha, int beta, int8_t *tc0)
void(* h264_idct_add16intra)(uint8_t *dst, const int *blockoffset, int16_t *block, int stride, const uint8_t nnzc[15 *8])
Definition: h264dsp.h:98
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(* h264_idct_add)(uint8_t *dst, int16_t *block, int stride)
Definition: h264dsp.h:80
void ff_weight_h264_pixels_4_neon(uint8_t *dst, int stride, int height, int log2_den, int weight, int offset)
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)
int(* startcode_find_candidate)(const uint8_t *buf, int size)
Search buf from the start for up to size bytes.
Definition: h264dsp.h:116
void(* h264_idct8_dc_add)(uint8_t *dst, int16_t *block, int stride)
Definition: h264dsp.h:86
int av_get_cpu_flags(void)
Return the flags which specify extensions supported by the CPU.
Definition: cpu.c:47
void ff_h264_idct8_add4_neon(uint8_t *dst, const int *block_offset, int16_t *block, int stride, const uint8_t nnzc[6 *8])
int ff_startcode_find_candidate_armv6(const uint8_t *buf, int size)
void ff_h264_idct8_add_neon(uint8_t *dst, int16_t *block, int stride)
void(* h264_idct_add16)(uint8_t *dst, const int *blockoffset, int16_t *block, int stride, const uint8_t nnzc[15 *8])
Definition: h264dsp.h:89
h264_biweight_func biweight_h264_pixels_tab[4]
Definition: h264dsp.h:44
Context for storing H.264 DSP functions.
Definition: h264dsp.h:41
void(* h264_v_loop_filter_chroma)(uint8_t *pix, int stride, int alpha, int beta, int8_t *tc0)
Definition: h264dsp.h:60
void(* h264_h_loop_filter_chroma)(uint8_t *pix, int stride, int alpha, int beta, int8_t *tc0)
Definition: h264dsp.h:62
void(* h264_v_loop_filter_luma)(uint8_t *pix, int stride, int alpha, int beta, int8_t *tc0)
Definition: h264dsp.h:47
void ff_weight_h264_pixels_16_neon(uint8_t *dst, int stride, int height, int log2_den, int weight, int offset)
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(* h264_idct8_add)(uint8_t *dst, int16_t *block, int stride)
Definition: h264dsp.h:82
#define av_cold
Definition: attributes.h:66
static av_cold void h264dsp_init_neon(H264DSPContext *c, const int bit_depth, const int chroma_format_idc)
void(* h264_idct8_add4)(uint8_t *dst, const int *blockoffset, int16_t *block, int stride, const uint8_t nnzc[15 *8])
Definition: h264dsp.h:92
void ff_h264_idct8_dc_add_neon(uint8_t *dst, int16_t *block, int stride)
void ff_h264_h_loop_filter_chroma_neon(uint8_t *pix, int stride, int alpha, int beta, int8_t *tc0)
void ff_h264_idct_add_neon(uint8_t *dst, int16_t *block, int stride)
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(* h264_h_loop_filter_luma)(uint8_t *pix, int stride, int alpha, int beta, int8_t *tc0)
Definition: h264dsp.h:49
int height
Definition: gxfenc.c:72
void ff_h264_h_loop_filter_luma_neon(uint8_t *pix, int stride, int alpha, int beta, int8_t *tc0)
void(* h264_idct_dc_add)(uint8_t *dst, int16_t *block, int stride)
Definition: h264dsp.h:84
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_weight_h264_pixels_8_neon(uint8_t *dst, int stride, int height, int log2_den, int weight, int offset)
void(* h264_idct_add8)(uint8_t **dst, const int *blockoffset, int16_t *block, int stride, const uint8_t nnzc[15 *8])
Definition: h264dsp.h:95
#define have_neon(flags)
Definition: cpu.h:27
#define have_setend(flags)
Definition: cpu.h:36
static int16_t block[64]
Definition: dct-test.c:88