2f4ff0111f5d9a91d0eed4ab7784b321b9ed3dab
[ffmpeg.git] / libavcodec / hevcdsp.h
1 /*
2  * HEVC video decoder
3  *
4  * Copyright (C) 2012 - 2013 Guillaume Martres
5  *
6  * This file is part of Libav.
7  *
8  * Libav is free software; you can redistribute it and/or
9  * modify it under the terms of the GNU Lesser General Public
10  * License as published by the Free Software Foundation; either
11  * version 2.1 of the License, or (at your option) any later version.
12  *
13  * Libav is distributed in the hope that it will be useful,
14  * but WITHOUT ANY WARRANTY; without even the implied warranty of
15  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
16  * Lesser General Public License for more details.
17  *
18  * You should have received a copy of the GNU Lesser General Public
19  * License along with Libav; if not, write to the Free Software
20  * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
21  */
22
23 #ifndef AVCODEC_HEVCDSP_H
24 #define AVCODEC_HEVCDSP_H
25
26 #include "get_bits.h"
27
28 typedef struct SAOParams {
29     int offset_abs[3][4];   ///< sao_offset_abs
30     int offset_sign[3][4];  ///< sao_offset_sign
31
32     int band_position[3];   ///< sao_band_position
33
34     int eo_class[3];        ///< sao_eo_class
35
36     int offset_val[3][5];   ///<SaoOffsetVal
37
38     uint8_t type_idx[3];    ///< sao_type_idx
39 } SAOParams;
40
41 typedef struct HEVCDSPContext {
42     void (*put_pcm)(uint8_t *dst, ptrdiff_t stride, int size,
43                     GetBitContext *gb, int pcm_bit_depth);
44
45     void (*add_residual[4])(uint8_t *dst, int16_t *res, ptrdiff_t stride);
46
47     void (*dequant)(int16_t *coeffs);
48     void (*transform_4x4_luma)(int16_t *coeffs);
49     void (*idct[4])(int16_t *coeffs, int col_limit);
50     void (*idct_dc[4])(int16_t *coeffs);
51
52     void (*sao_band_filter[4])(uint8_t *dst, uint8_t *src, ptrdiff_t stride,
53                                struct SAOParams *sao, int *borders,
54                                int width, int height, int c_idx);
55     void (*sao_edge_filter[4])(uint8_t *dst, uint8_t *src, ptrdiff_t stride,
56                                struct SAOParams *sao, int *borders, int width,
57                                int height, int c_idx, uint8_t vert_edge,
58                                uint8_t horiz_edge, uint8_t diag_edge);
59
60     void (*put_hevc_qpel[2][2][8])(int16_t *dst, ptrdiff_t dststride, uint8_t *src,
61                                    ptrdiff_t srcstride, int height,
62                                    int mx, int my, int16_t *mcbuffer);
63     void (*put_hevc_epel[2][2][8])(int16_t *dst, ptrdiff_t dststride, uint8_t *src,
64                                    ptrdiff_t srcstride, int height,
65                                    int mx, int my, int16_t *mcbuffer);
66
67     void (*put_unweighted_pred[8])(uint8_t *dst, ptrdiff_t dststride, int16_t *src,
68                                    ptrdiff_t srcstride, int height);
69     void (*put_unweighted_pred_chroma[8])(uint8_t *dst, ptrdiff_t dststride, int16_t *src,
70                                           ptrdiff_t srcstride, int height);
71     void (*put_unweighted_pred_avg[8])(uint8_t *dst, ptrdiff_t dststride,
72                                        int16_t *src1, int16_t *src2,
73                                        ptrdiff_t srcstride, int height);
74     void (*put_unweighted_pred_avg_chroma[8])(uint8_t *dst, ptrdiff_t dststride,
75                                               int16_t *src1, int16_t *src2,
76                                               ptrdiff_t srcstride, int height);
77     void (*weighted_pred[8])(uint8_t denom, int16_t wlxFlag, int16_t olxFlag,
78                              uint8_t *dst, ptrdiff_t dststride, int16_t *src,
79                              ptrdiff_t srcstride, int height);
80     void (*weighted_pred_chroma[8])(uint8_t denom, int16_t wlxFlag, int16_t olxFlag,
81                                     uint8_t *dst, ptrdiff_t dststride, int16_t *src,
82                                     ptrdiff_t srcstride, int height);
83     void (*weighted_pred_avg[8])(uint8_t denom, int16_t wl0Flag, int16_t wl1Flag,
84                                  int16_t ol0Flag, int16_t ol1Flag, uint8_t *dst,
85                                  ptrdiff_t dststride, int16_t *src1, int16_t *src2,
86                                  ptrdiff_t srcstride, int height);
87     void (*weighted_pred_avg_chroma[8])(uint8_t denom, int16_t wl0Flag, int16_t wl1Flag,
88                                         int16_t ol0Flag, int16_t ol1Flag, uint8_t *dst,
89                                         ptrdiff_t dststride, int16_t *src1, int16_t *src2,
90                                         ptrdiff_t srcstride, int height);
91
92     void (*hevc_h_loop_filter_luma)(uint8_t *pix, ptrdiff_t stride,
93                                     int beta, int *tc,
94                                     uint8_t *no_p, uint8_t *no_q);
95     void (*hevc_v_loop_filter_luma)(uint8_t *pix, ptrdiff_t stride,
96                                     int beta, int *tc,
97                                     uint8_t *no_p, uint8_t *no_q);
98     void (*hevc_h_loop_filter_chroma)(uint8_t *pix, ptrdiff_t stride,
99                                       int *tc, uint8_t *no_p, uint8_t *no_q);
100     void (*hevc_v_loop_filter_chroma)(uint8_t *pix, ptrdiff_t stride,
101                                       int *tc, uint8_t *no_p, uint8_t *no_q);
102     void (*hevc_h_loop_filter_luma_c)(uint8_t *pix, ptrdiff_t stride,
103                                       int beta, int *tc,
104                                       uint8_t *no_p, uint8_t *no_q);
105     void (*hevc_v_loop_filter_luma_c)(uint8_t *pix, ptrdiff_t stride,
106                                       int beta, int *tc,
107                                       uint8_t *no_p, uint8_t *no_q);
108     void (*hevc_h_loop_filter_chroma_c)(uint8_t *pix, ptrdiff_t stride,
109                                         int *tc, uint8_t *no_p,
110                                         uint8_t *no_q);
111     void (*hevc_v_loop_filter_chroma_c)(uint8_t *pix, ptrdiff_t stride,
112                                         int *tc, uint8_t *no_p,
113                                         uint8_t *no_q);
114 } HEVCDSPContext;
115
116 void ff_hevc_dsp_init(HEVCDSPContext *hpc, int bit_depth);
117
118 void ff_hevc_dsp_init_ppc(HEVCDSPContext *c, const int bit_depth);
119 void ff_hevc_dsp_init_x86(HEVCDSPContext *c, const int bit_depth);
120
121 extern const int16_t ff_hevc_epel_coeffs[7][16];
122 extern const int8_t ff_hevc_epel_coeffs8[7][16];
123 extern const int16_t ff_hevc_qpel_coeffs[3][8];
124 extern const int8_t ff_hevc_qpel_coeffs8[3][16];
125
126 #endif /* AVCODEC_HEVCDSP_H */