Libav
hevcdsp.h
Go to the documentation of this file.
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];
30  int offset_sign[3][4];
31 
32  int band_position[3];
33 
34  int eo_class[3];
35 
36  int offset_val[3][5];
37 
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 *coeffs, 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 
93  int beta, int *tc,
94  uint8_t *no_p, uint8_t *no_q);
96  int beta, int *tc,
97  uint8_t *no_p, uint8_t *no_q);
99  int *tc, uint8_t *no_p, uint8_t *no_q);
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);
115 
116 void ff_hevc_dsp_init(HEVCDSPContext *hpc, int bit_depth);
117 
118 void ff_hevc_dsp_init_x86(HEVCDSPContext *c, const int bit_depth);
119 
120 extern const int16_t ff_hevc_epel_coeffs[7][16];
121 extern const int8_t ff_hevc_epel_coeffs8[7][16];
122 extern const int16_t ff_hevc_qpel_coeffs[3][8];
123 extern const int8_t ff_hevc_qpel_coeffs8[3][16];
124 
125 #endif /* AVCODEC_HEVCDSP_H */
const int8_t ff_hevc_qpel_coeffs8[3][16]
Definition: hevcdsp.c:118
int size
static void FUNC() hevc_h_loop_filter_luma(uint8_t *pix, ptrdiff_t stride, int beta, int *tc, uint8_t *no_p, uint8_t *no_q)
static av_always_inline void FUNC() add_residual(uint8_t *_dst, int16_t *res, ptrdiff_t stride, int size)
int stride
Definition: mace.c:144
int band_position[3]
sao_band_position
Definition: hevcdsp.h:32
static int dequant(AVSContext *h, int16_t *level_buf, uint8_t *run_buf, int16_t *dst, int mul, int shift, int coeff_num)
Definition: cavsdec.c:518
uint8_t
static av_always_inline void FUNC() weighted_pred(uint8_t denom, int16_t wlxFlag, int16_t olxFlag, uint8_t *_dst, ptrdiff_t _dststride, int16_t *src, ptrdiff_t srcstride, int width, int height)
bitstream reader API header.
void ff_hevc_dsp_init(HEVCDSPContext *hpc, int bit_depth)
Definition: hevcdsp.c:136
static void FUNC() hevc_v_loop_filter_chroma(uint8_t *pix, ptrdiff_t stride, int *tc, uint8_t *no_p, uint8_t *no_q)
#define src
Definition: vp8dsp.c:254
static av_always_inline void FUNC() put_unweighted_pred(uint8_t *_dst, ptrdiff_t _dststride, int16_t *src, ptrdiff_t srcstride, int width, int height)
static void FUNC() put_pcm(uint8_t *_dst, ptrdiff_t stride, int size, GetBitContext *gb, int pcm_bit_depth)
static void FUNC() hevc_v_loop_filter_luma(uint8_t *pix, ptrdiff_t stride, int beta, int *tc, uint8_t *no_p, uint8_t *no_q)
static av_always_inline void FUNC() weighted_pred_avg(uint8_t denom, int16_t wl0Flag, int16_t wl1Flag, int16_t ol0Flag, int16_t ol1Flag, uint8_t *_dst, ptrdiff_t _dststride, int16_t *src1, int16_t *src2, ptrdiff_t srcstride, int width, int height)
static void FUNC() sao_band_filter(uint8_t *_dst, uint8_t *_src, ptrdiff_t stride, SAOParams *sao, int *borders, int width, int height, int c_idx, int class)
int eo_class[3]
sao_eo_class
Definition: hevcdsp.h:34
uint8_t type_idx[3]
sao_type_idx
Definition: hevcdsp.h:38
int offset_abs[3][4]
sao_offset_abs
Definition: hevcdsp.h:29
int offset_val[3][5]
SaoOffsetVal.
Definition: hevcdsp.h:36
void ff_hevc_dsp_init_x86(HEVCDSPContext *c, const int bit_depth)
Definition: hevcdsp_init.c:239
static int width
Definition: utils.c:156
#define src1
Definition: h264pred.c:139
static void(WINAPI *cond_broadcast)(pthread_cond_t *cond)
const int16_t ff_hevc_epel_coeffs[7][16]
Definition: hevcdsp.c:92
static av_always_inline void FUNC() put_unweighted_pred_avg(uint8_t *_dst, ptrdiff_t _dststride, int16_t *src1, int16_t *src2, ptrdiff_t srcstride, int width, int height)
const int16_t ff_hevc_qpel_coeffs[3][8]
Definition: hevcdsp.c:112
int height
Definition: gxfenc.c:72
const int8_t ff_hevc_epel_coeffs8[7][16]
Definition: hevcdsp.c:102
static void FUNC() transform_4x4_luma(int16_t *coeffs)
static void FUNC() hevc_h_loop_filter_chroma(uint8_t *pix, ptrdiff_t stride, int *tc, uint8_t *no_p, uint8_t *no_q)
static int idct
Definition: avplay.c:251
int offset_sign[3][4]
sao_offset_sign
Definition: hevcdsp.h:30