arm: Implement a NEON version of 422 h264_h_loop_filter_chroma
[libav.git] / libavcodec / arm / h264dsp_init_arm.c
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1/*
2 * Copyright (c) 2010 Mans Rullgard <mans@mansr.com>
3 *
2912e87a 4 * This file is part of Libav.
4693b031 5 *
2912e87a 6 * Libav is free software; you can redistribute it and/or
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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 *
2912e87a 11 * Libav is distributed in the hope that it will be useful,
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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
2912e87a 17 * License along with Libav; if not, write to the Free Software
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18 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
19 */
20
21#include <stdint.h>
22
c9f933b5 23#include "libavutil/attributes.h"
d526c533 24#include "libavutil/arm/cpu.h"
4693b031 25#include "libavcodec/h264dsp.h"
db7f1c7c 26#include "libavcodec/arm/startcode.h"
45e10e5c 27
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28void ff_h264_v_loop_filter_luma_neon(uint8_t *pix, int stride, int alpha,
29 int beta, int8_t *tc0);
30void ff_h264_h_loop_filter_luma_neon(uint8_t *pix, int stride, int alpha,
31 int beta, int8_t *tc0);
32void ff_h264_v_loop_filter_chroma_neon(uint8_t *pix, int stride, int alpha,
33 int beta, int8_t *tc0);
34void ff_h264_h_loop_filter_chroma_neon(uint8_t *pix, int stride, int alpha,
35 int beta, int8_t *tc0);
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36void ff_h264_h_loop_filter_chroma422_neon(uint8_t *pix, int stride, int alpha,
37 int beta, int8_t *tc0);
4693b031 38
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39void ff_weight_h264_pixels_16_neon(uint8_t *dst, int stride, int height,
40 int log2_den, int weight, int offset);
41void ff_weight_h264_pixels_8_neon(uint8_t *dst, int stride, int height,
42 int log2_den, int weight, int offset);
43void ff_weight_h264_pixels_4_neon(uint8_t *dst, int stride, int height,
44 int log2_den, int weight, int offset);
4693b031 45
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46void 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);
49void 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);
52void 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);
4693b031 55
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56void ff_h264_idct_add_neon(uint8_t *dst, int16_t *block, int stride);
57void ff_h264_idct_dc_add_neon(uint8_t *dst, int16_t *block, int stride);
4693b031 58void ff_h264_idct_add16_neon(uint8_t *dst, const int *block_offset,
88bd7fdc 59 int16_t *block, int stride,
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60 const uint8_t nnzc[6*8]);
61void ff_h264_idct_add16intra_neon(uint8_t *dst, const int *block_offset,
88bd7fdc 62 int16_t *block, int stride,
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63 const uint8_t nnzc[6*8]);
64void ff_h264_idct_add8_neon(uint8_t **dest, const int *block_offset,
88bd7fdc 65 int16_t *block, int stride,
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66 const uint8_t nnzc[6*8]);
67
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68void ff_h264_idct8_add_neon(uint8_t *dst, int16_t *block, int stride);
69void ff_h264_idct8_dc_add_neon(uint8_t *dst, int16_t *block, int stride);
fa2d5d54 70void ff_h264_idct8_add4_neon(uint8_t *dst, const int *block_offset,
88bd7fdc 71 int16_t *block, int stride,
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72 const uint8_t nnzc[6*8]);
73
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74static av_cold void h264dsp_init_neon(H264DSPContext *c, const int bit_depth,
75 const int chroma_format_idc)
4693b031 76{
19a0729b 77 if (bit_depth == 8) {
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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 c->h264_v_loop_filter_chroma = ff_h264_v_loop_filter_chroma_neon;
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81
82 if (chroma_format_idc <= 1)
83 c->h264_h_loop_filter_chroma = ff_h264_h_loop_filter_chroma_neon;
84 else
85 c->h264_h_loop_filter_chroma = ff_h264_h_loop_filter_chroma422_neon;
4693b031 86
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87 c->weight_h264_pixels_tab[0] = ff_weight_h264_pixels_16_neon;
88 c->weight_h264_pixels_tab[1] = ff_weight_h264_pixels_8_neon;
89 c->weight_h264_pixels_tab[2] = ff_weight_h264_pixels_4_neon;
4693b031 90
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91 c->biweight_h264_pixels_tab[0] = ff_biweight_h264_pixels_16_neon;
92 c->biweight_h264_pixels_tab[1] = ff_biweight_h264_pixels_8_neon;
93 c->biweight_h264_pixels_tab[2] = ff_biweight_h264_pixels_4_neon;
4693b031 94
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95 c->h264_idct_add = ff_h264_idct_add_neon;
96 c->h264_idct_dc_add = ff_h264_idct_dc_add_neon;
97 c->h264_idct_add16 = ff_h264_idct_add16_neon;
98 c->h264_idct_add16intra = ff_h264_idct_add16intra_neon;
99 if (chroma_format_idc <= 1)
100 c->h264_idct_add8 = ff_h264_idct_add8_neon;
101 c->h264_idct8_add = ff_h264_idct8_add_neon;
102 c->h264_idct8_dc_add = ff_h264_idct8_dc_add_neon;
103 c->h264_idct8_add4 = ff_h264_idct8_add4_neon;
19a0729b 104 }
4693b031 105}
4693b031 106
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107av_cold void ff_h264dsp_init_arm(H264DSPContext *c, const int bit_depth,
108 const int chroma_format_idc)
4693b031 109{
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110 int cpu_flags = av_get_cpu_flags();
111
6869612f 112 if (have_setend(cpu_flags))
db7f1c7c 113 c->startcode_find_candidate = ff_startcode_find_candidate_armv6;
d526c533 114 if (have_neon(cpu_flags))
383fd4d4 115 h264dsp_init_neon(c, bit_depth, chroma_format_idc);
4693b031 116}