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hevcdsp.h
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1 /*
2  * HEVC video decoder
3  *
4  * Copyright (C) 2012 - 2013 Guillaume Martres
5  * Copyright (C) 2013 - 2014 Pierre-Edouard Lepere
6  *
7  *
8  * This file is part of FFmpeg.
9  *
10  * FFmpeg is free software; you can redistribute it and/or
11  * modify it under the terms of the GNU Lesser General Public
12  * License as published by the Free Software Foundation; either
13  * version 2.1 of the License, or (at your option) any later version.
14  *
15  * FFmpeg is distributed in the hope that it will be useful,
16  * but WITHOUT ANY WARRANTY; without even the implied warranty of
17  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
18  * Lesser General Public License for more details.
19  *
20  * You should have received a copy of the GNU Lesser General Public
21  * License along with FFmpeg; if not, write to the Free Software
22  * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
23  */
24 
25 #ifndef AVCODEC_HEVCDSP_H
26 #define AVCODEC_HEVCDSP_H
27 
28 #include "get_bits.h"
29 
30 #define MAX_PB_SIZE 64
31 
32 typedef struct SAOParams {
33  int offset_abs[3][4]; ///< sao_offset_abs
34  int offset_sign[3][4]; ///< sao_offset_sign
35 
36  uint8_t band_position[3]; ///< sao_band_position
37 
38  int eo_class[3]; ///< sao_eo_class
39 
40  int16_t offset_val[3][5]; ///<SaoOffsetVal
41 
42  uint8_t type_idx[3]; ///< sao_type_idx
43 } SAOParams;
44 
45 typedef struct HEVCDSPContext {
46  void (*put_pcm)(uint8_t *_dst, ptrdiff_t _stride, int width, int height,
47  struct GetBitContext *gb, int pcm_bit_depth);
48 
49  void (*transform_add[4])(uint8_t *_dst, int16_t *coeffs, ptrdiff_t _stride);
50 
51  void (*transform_skip)(int16_t *coeffs, int16_t log2_size);
52 
53  void (*transform_rdpcm)(int16_t *coeffs, int16_t log2_size, int mode);
54 
55  void (*idct_4x4_luma)(int16_t *coeffs);
56 
57  void (*idct[4])(int16_t *coeffs, int col_limit);
58 
59  void (*idct_dc[4])(int16_t *coeffs);
60 
61  void (*sao_band_filter)(uint8_t *_dst, uint8_t *_src, ptrdiff_t _stride_dst, ptrdiff_t _stride_src,
62  struct SAOParams *sao, int *borders,
63  int width, int height, int c_idx);
64 
65  void (*sao_edge_filter[2])(uint8_t *_dst, uint8_t *_src, ptrdiff_t _stride_dst, ptrdiff_t _stride_src,
66  struct SAOParams *sao, int *borders, int _width,
67  int _height, int c_idx, uint8_t *vert_edge,
68  uint8_t *horiz_edge, uint8_t *diag_edge);
69 
70  void (*put_hevc_qpel[10][2][2])(int16_t *dst, uint8_t *src, ptrdiff_t srcstride,
71  int height, intptr_t mx, intptr_t my, int width);
72  void (*put_hevc_qpel_uni[10][2][2])(uint8_t *dst, ptrdiff_t dststride, uint8_t *src, ptrdiff_t srcstride,
73  int height, intptr_t mx, intptr_t my, int width);
74  void (*put_hevc_qpel_uni_w[10][2][2])(uint8_t *_dst, ptrdiff_t _dststride, uint8_t *_src, ptrdiff_t _srcstride,
75  int height, int denom, int wx, int ox, intptr_t mx, intptr_t my, int width);
76 
77  void (*put_hevc_qpel_bi[10][2][2])(uint8_t *dst, ptrdiff_t dststride, uint8_t *_src, ptrdiff_t _srcstride,
78  int16_t *src2,
79  int height, intptr_t mx, intptr_t my, int width);
80  void (*put_hevc_qpel_bi_w[10][2][2])(uint8_t *dst, ptrdiff_t dststride, uint8_t *_src, ptrdiff_t _srcstride,
81  int16_t *src2,
82  int height, int denom, int wx0, int wx1,
83  int ox0, int ox1, intptr_t mx, intptr_t my, int width);
84  void (*put_hevc_epel[10][2][2])(int16_t *dst, uint8_t *src, ptrdiff_t srcstride,
85  int height, intptr_t mx, intptr_t my, int width);
86 
87  void (*put_hevc_epel_uni[10][2][2])(uint8_t *dst, ptrdiff_t dststride, uint8_t *_src, ptrdiff_t _srcstride,
88  int height, intptr_t mx, intptr_t my, int width);
89  void (*put_hevc_epel_uni_w[10][2][2])(uint8_t *_dst, ptrdiff_t _dststride, uint8_t *_src, ptrdiff_t _srcstride,
90  int height, int denom, int wx, int ox, intptr_t mx, intptr_t my, int width);
91  void (*put_hevc_epel_bi[10][2][2])(uint8_t *dst, ptrdiff_t dststride, uint8_t *_src, ptrdiff_t _srcstride,
92  int16_t *src2,
93  int height, intptr_t mx, intptr_t my, int width);
94  void (*put_hevc_epel_bi_w[10][2][2])(uint8_t *dst, ptrdiff_t dststride, uint8_t *_src, ptrdiff_t _srcstride,
95  int16_t *src2,
96  int height, int denom, int wx0, int ox0, int wx1,
97  int ox1, intptr_t mx, intptr_t my, int width);
98 
99  void (*hevc_h_loop_filter_luma)(uint8_t *pix, ptrdiff_t stride,
100  int beta, int32_t *tc,
101  uint8_t *no_p, uint8_t *no_q);
102  void (*hevc_v_loop_filter_luma)(uint8_t *pix, ptrdiff_t stride,
103  int beta, int32_t *tc,
104  uint8_t *no_p, uint8_t *no_q);
105  void (*hevc_h_loop_filter_chroma)(uint8_t *pix, ptrdiff_t stride,
106  int32_t *tc, uint8_t *no_p, uint8_t *no_q);
107  void (*hevc_v_loop_filter_chroma)(uint8_t *pix, ptrdiff_t stride,
108  int32_t *tc, uint8_t *no_p, uint8_t *no_q);
109  void (*hevc_h_loop_filter_luma_c)(uint8_t *pix, ptrdiff_t stride,
110  int beta, int32_t *tc,
111  uint8_t *no_p, uint8_t *no_q);
112  void (*hevc_v_loop_filter_luma_c)(uint8_t *pix, ptrdiff_t stride,
113  int beta, int32_t *tc,
114  uint8_t *no_p, uint8_t *no_q);
115  void (*hevc_h_loop_filter_chroma_c)(uint8_t *pix, ptrdiff_t stride,
116  int32_t *tc, uint8_t *no_p,
117  uint8_t *no_q);
118  void (*hevc_v_loop_filter_chroma_c)(uint8_t *pix, ptrdiff_t stride,
119  int32_t *tc, uint8_t *no_p,
120  uint8_t *no_q);
121 } HEVCDSPContext;
122 
123 void ff_hevc_dsp_init(HEVCDSPContext *hpc, int bit_depth);
124 
125 extern const int8_t ff_hevc_epel_filters[7][4];
126 extern const int8_t ff_hevc_qpel_filters[3][16];
127 
128 void ff_hevc_dsp_init_x86(HEVCDSPContext *c, const int bit_depth);
129 
130 #endif /* AVCODEC_HEVCDSP_H */
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