FFmpeg
 All Data Structures Namespaces Files Functions Variables Typedefs Enumerations Enumerator Macros Groups Pages
hevcdsp.h
Go to the documentation of this file.
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[5])(uint8_t *_dst, uint8_t *_src, ptrdiff_t _stride_dst, ptrdiff_t _stride_src,
62  int16_t *sao_offset_val, int sao_left_class, int width, int height);
63 
64  /* implicit stride_src parameter has value of 2 * MAX_PB_SIZE + FF_INPUT_BUFFER_PADDING_SIZE */
65  void (*sao_edge_filter[5])(uint8_t *_dst /* align 16 */, uint8_t *_src /* align 32 */, ptrdiff_t stride_dst,
66  int16_t *sao_offset_val, int sao_eo_class, int width, int height);
67 
68  void (*sao_edge_restore[2])(uint8_t *_dst, uint8_t *_src, ptrdiff_t _stride_dst, ptrdiff_t _stride_src,
69  struct SAOParams *sao, int *borders, int _width, int _height, int c_idx,
70  uint8_t *vert_edge, uint8_t *horiz_edge, uint8_t *diag_edge);
71 
72  void (*put_hevc_qpel[10][2][2])(int16_t *dst, uint8_t *src, ptrdiff_t srcstride,
73  int height, intptr_t mx, intptr_t my, int width);
74  void (*put_hevc_qpel_uni[10][2][2])(uint8_t *dst, ptrdiff_t dststride, uint8_t *src, ptrdiff_t srcstride,
75  int height, intptr_t mx, intptr_t my, int width);
76  void (*put_hevc_qpel_uni_w[10][2][2])(uint8_t *_dst, ptrdiff_t _dststride, uint8_t *_src, ptrdiff_t _srcstride,
77  int height, int denom, int wx, int ox, intptr_t mx, intptr_t my, int width);
78 
79  void (*put_hevc_qpel_bi[10][2][2])(uint8_t *dst, ptrdiff_t dststride, uint8_t *_src, ptrdiff_t _srcstride,
80  int16_t *src2,
81  int height, intptr_t mx, intptr_t my, int width);
82  void (*put_hevc_qpel_bi_w[10][2][2])(uint8_t *dst, ptrdiff_t dststride, uint8_t *_src, ptrdiff_t _srcstride,
83  int16_t *src2,
84  int height, int denom, int wx0, int wx1,
85  int ox0, int ox1, intptr_t mx, intptr_t my, int width);
86  void (*put_hevc_epel[10][2][2])(int16_t *dst, uint8_t *src, ptrdiff_t srcstride,
87  int height, intptr_t mx, intptr_t my, int width);
88 
89  void (*put_hevc_epel_uni[10][2][2])(uint8_t *dst, ptrdiff_t dststride, uint8_t *_src, ptrdiff_t _srcstride,
90  int height, intptr_t mx, intptr_t my, int width);
91  void (*put_hevc_epel_uni_w[10][2][2])(uint8_t *_dst, ptrdiff_t _dststride, uint8_t *_src, ptrdiff_t _srcstride,
92  int height, int denom, int wx, int ox, intptr_t mx, intptr_t my, int width);
93  void (*put_hevc_epel_bi[10][2][2])(uint8_t *dst, ptrdiff_t dststride, uint8_t *_src, ptrdiff_t _srcstride,
94  int16_t *src2,
95  int height, intptr_t mx, intptr_t my, int width);
96  void (*put_hevc_epel_bi_w[10][2][2])(uint8_t *dst, ptrdiff_t dststride, uint8_t *_src, ptrdiff_t _srcstride,
97  int16_t *src2,
98  int height, int denom, int wx0, int ox0, int wx1,
99  int ox1, intptr_t mx, intptr_t my, int width);
100 
101  void (*hevc_h_loop_filter_luma)(uint8_t *pix, ptrdiff_t stride,
102  int beta, int32_t *tc,
103  uint8_t *no_p, uint8_t *no_q);
104  void (*hevc_v_loop_filter_luma)(uint8_t *pix, ptrdiff_t stride,
105  int beta, int32_t *tc,
106  uint8_t *no_p, uint8_t *no_q);
107  void (*hevc_h_loop_filter_chroma)(uint8_t *pix, ptrdiff_t stride,
108  int32_t *tc, uint8_t *no_p, uint8_t *no_q);
109  void (*hevc_v_loop_filter_chroma)(uint8_t *pix, ptrdiff_t stride,
110  int32_t *tc, uint8_t *no_p, uint8_t *no_q);
111  void (*hevc_h_loop_filter_luma_c)(uint8_t *pix, ptrdiff_t stride,
112  int beta, int32_t *tc,
113  uint8_t *no_p, uint8_t *no_q);
114  void (*hevc_v_loop_filter_luma_c)(uint8_t *pix, ptrdiff_t stride,
115  int beta, int32_t *tc,
116  uint8_t *no_p, uint8_t *no_q);
117  void (*hevc_h_loop_filter_chroma_c)(uint8_t *pix, ptrdiff_t stride,
118  int32_t *tc, uint8_t *no_p,
119  uint8_t *no_q);
120  void (*hevc_v_loop_filter_chroma_c)(uint8_t *pix, ptrdiff_t stride,
121  int32_t *tc, uint8_t *no_p,
122  uint8_t *no_q);
123 } HEVCDSPContext;
124 
125 void ff_hevc_dsp_init(HEVCDSPContext *hpc, int bit_depth);
126 
127 extern const int8_t ff_hevc_epel_filters[7][4];
128 extern const int8_t ff_hevc_qpel_filters[3][16];
129 
130 void ff_hevc_dsp_init_x86(HEVCDSPContext *c, const int bit_depth);
131 void ff_hevcdsp_init_arm(HEVCDSPContext *c, const int bit_depth);
132 #endif /* AVCODEC_HEVCDSP_H */
Generated on Sun Mar 8 2015 02:34:53 for FFmpeg by   doxygen 1.8.2